/* ============================================
   ALFA INC — Steel Blue & Silver Industrial Theme
   ============================================ */

:root {
    --color-bg: #060a10;
    --color-bg-alt: #0a0f18;
    --color-bg-card: #0d1320;
    --color-bg-card-hover: #111828;
    --color-surface: #121a2a;
    --color-border: rgba(140, 180, 220, 0.08);
    --color-border-hover: rgba(140, 180, 220, 0.18);

    --color-text: #e8ecf2;
    --color-text-secondary: #8899aa;
    --color-text-muted: #4a5568;

    --color-accent: #3b82f6;
    --color-accent-light: #60a5fa;
    --color-accent-dark: #2563eb;
    --color-accent-glow: rgba(59, 130, 246, 0.12);

    --color-silver: #c0cfe0;
    --color-silver-light: #dbe5f0;
    --color-silver-dark: #8a9bb5;
    --color-silver-glow: rgba(192, 207, 224, 0.08);

    --color-steel: #1e3a5f;
    --color-steel-light: #2a4f7a;

    --color-white: #ffffff;
    --color-black: #000000;

    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-display: 'Space Grotesk', 'Inter', sans-serif;

    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;

    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-smooth: 0.6s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-spring: 0.8s cubic-bezier(0.34, 1.56, 0.64, 1);

    --container-max: 1280px;
    --section-padding: clamp(80px, 12vh, 160px);
}

/* ============================================
   RESET & BASE
   ============================================ */

*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scrollbar-width: thin;
    scrollbar-color: var(--color-accent) var(--color-bg);
}

html::-webkit-scrollbar {
    width: 6px;
}

html::-webkit-scrollbar-track {
    background: var(--color-bg);
}

html::-webkit-scrollbar-thumb {
    background: linear-gradient(to bottom, var(--color-accent), var(--color-silver-dark));
    border-radius: 3px;
}

body {
    font-family: var(--font-primary);
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: inherit;
    text-decoration: none;
}

button {
    border: none;
    background: none;
    cursor: pointer;
    font-family: inherit;
}

.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 clamp(20px, 4vw, 48px);
}

/* ============================================
   SCROLL PROGRESS BAR
   ============================================ */

.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 3px;
    background: linear-gradient(90deg, var(--color-accent), var(--color-silver), var(--color-accent-light));
    z-index: 10001;
    transition: width 0.1s linear;
    box-shadow: 0 0 10px var(--color-accent), 0 0 20px rgba(59, 130, 246, 0.3);
}

/* ============================================
   CURSOR GLOW
   ============================================ */

.cursor-glow {
    position: fixed;
    width: 500px;
    height: 500px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.08) 0%, rgba(192, 207, 224, 0.03) 40%, transparent 70%);
    pointer-events: none;
    z-index: 9999;
    transform: translate(-50%, -50%);
    opacity: 0;
    transition: opacity 0.4s ease;
    mix-blend-mode: screen;
}

@media (hover: none) {
    .cursor-glow { display: none; }
}

/* ============================================
   LOADER
   ============================================ */

.loader {
    position: fixed;
    inset: 0;
    z-index: 10000;
    background: var(--color-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.8s ease, visibility 0.8s ease;
}

.loader.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.loader__inner {
    text-align: center;
}

.loader__logo {
    width: 140px;
    height: 140px;
    margin: 0 auto 32px;
    animation: loaderSpin 2s ease-in-out infinite;
}

.loader__logo img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

@keyframes loaderSpin {
    0% { opacity: 0.4; transform: scale(0.9) rotateY(0deg); }
    50% { opacity: 1; transform: scale(1) rotateY(180deg); }
    100% { opacity: 0.4; transform: scale(0.9) rotateY(360deg); }
}

.loader__bar {
    width: 200px;
    height: 2px;
    background: var(--color-border);
    border-radius: 2px;
    overflow: hidden;
    margin: 0 auto 16px;
}

.loader__progress {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--color-accent), var(--color-silver));
    border-radius: 2px;
    transition: width 0.3s ease;
    box-shadow: 0 0 8px var(--color-accent);
}

.loader__text {
    font-family: var(--font-display);
    font-size: 11px;
    letter-spacing: 4px;
    color: var(--color-text-muted);
    text-transform: uppercase;
}

/* ============================================
   NAVIGATION
   ============================================ */

.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 20px 0;
    transition: all var(--transition-base);
}

.nav--scrolled {
    padding: 12px 0;
    background: rgba(6, 10, 16, 0.88);
    backdrop-filter: blur(24px) saturate(180%);
    -webkit-backdrop-filter: blur(24px) saturate(180%);
    border-bottom: 1px solid var(--color-border);
}

.nav__container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 clamp(20px, 4vw, 48px);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav__logo {
    display: flex;
    align-items: center;
    gap: 12px;
    z-index: 1001;
}

.nav__logo-img {
    width: 54px;
    height: 54px;
    object-fit: contain;
    transition: transform var(--transition-base);
}

.nav__logo:hover .nav__logo-img {
    transform: rotateY(180deg);
}

.nav__logo-text {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 18px;
    letter-spacing: 2px;
    background: linear-gradient(135deg, var(--color-silver-light), var(--color-accent-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav__links {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav__link {
    position: relative;
    padding: 8px 16px;
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
    overflow: hidden;
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: 4px;
    left: 16px;
    right: 16px;
    height: 1px;
    background: linear-gradient(90deg, var(--color-accent), var(--color-silver));
    transform: scaleX(0);
    transform-origin: right;
    transition: transform var(--transition-base);
}

.nav__link:hover {
    color: var(--color-text);
}

.nav__link:hover::after {
    transform: scaleX(1);
    transform-origin: left;
}

.nav__link--cta {
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
    color: var(--color-white) !important;
    border-radius: var(--radius-sm);
    font-weight: 600;
    margin-left: 8px;
    box-shadow: 0 2px 12px rgba(59, 130, 246, 0.3);
}

.nav__link--cta::after {
    display: none;
}

.nav__link--cta:hover {
    background: linear-gradient(135deg, var(--color-accent-light), var(--color-accent));
    transform: translateY(-1px);
    box-shadow: 0 4px 20px rgba(59, 130, 246, 0.4);
}

.nav__burger {
    display: none;
    flex-direction: column;
    gap: 5px;
    z-index: 1001;
    padding: 4px;
}

.nav__burger span {
    width: 24px;
    height: 2px;
    background: var(--color-text);
    border-radius: 2px;
    transition: all var(--transition-base);
    transform-origin: center;
}

.nav__burger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.nav__burger.active span:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

.nav__burger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

@media (max-width: 768px) {
    .nav__burger {
        display: flex;
    }

    .nav__links {
        position: fixed;
        inset: 0;
        background: rgba(6, 10, 16, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: center;
        gap: 16px;
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-smooth);
    }

    .nav__links.active {
        opacity: 1;
        visibility: visible;
    }

    .nav__link {
        font-size: 24px;
        font-family: var(--font-display);
        transform: translateY(20px);
        opacity: 0;
        transition: all var(--transition-smooth);
    }

    .nav__links.active .nav__link {
        transform: translateY(0);
        opacity: 1;
    }

    .nav__links.active .nav__link:nth-child(1) { transition-delay: 0.1s; }
    .nav__links.active .nav__link:nth-child(2) { transition-delay: 0.15s; }
    .nav__links.active .nav__link:nth-child(3) { transition-delay: 0.2s; }
    .nav__links.active .nav__link:nth-child(4) { transition-delay: 0.25s; }
    .nav__links.active .nav__link:nth-child(5) { transition-delay: 0.3s; }

    .nav__link--cta {
        margin-left: 0;
        margin-top: 16px;
    }
}

/* ============================================
   BUTTONS
   ============================================ */

.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 32px;
    font-size: 15px;
    font-weight: 600;
    border-radius: var(--radius-sm);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.6s ease, height 0.6s ease;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn--primary {
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
    color: var(--color-white);
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
}

.btn--primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(59, 130, 246, 0.4);
}

.btn--ghost {
    border: 1px solid var(--color-border-hover);
    color: var(--color-silver);
    background: transparent;
}

.btn--ghost:hover {
    border-color: var(--color-accent);
    color: var(--color-accent-light);
    background: var(--color-accent-glow);
}

.btn--full {
    width: 100%;
    justify-content: center;
}

/* Magnetic button wrapper */
.magnetic-wrap {
    display: inline-block;
    position: relative;
}

/* ============================================
   HERO
   ============================================ */

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero__bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero__bg-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transform: scale(1.1);
    transition: transform 8s ease;
}

.hero.in-view .hero__bg-img {
    transform: scale(1);
}

.hero__bg-overlay {
    position: absolute;
    inset: 0;
    background:
        linear-gradient(135deg, rgba(6, 10, 16, 0.94) 0%, rgba(6, 10, 16, 0.7) 50%, rgba(6, 10, 16, 0.88) 100%),
        linear-gradient(to bottom, transparent 60%, var(--color-bg) 100%);
    z-index: 1;
}

.hero__particles {
    position: absolute;
    inset: 0;
    z-index: 2;
    overflow: hidden;
}

/* Animated grid lines behind hero */
.hero__grid-lines {
    position: absolute;
    inset: 0;
    z-index: 1;
    overflow: hidden;
    opacity: 0.04;
    pointer-events: none;
}

.hero__grid-lines::before,
.hero__grid-lines::after {
    content: '';
    position: absolute;
    inset: 0;
}

.hero__grid-lines::before {
    background:
        repeating-linear-gradient(90deg, var(--color-silver) 0px, transparent 1px, transparent 80px),
        repeating-linear-gradient(0deg, var(--color-silver) 0px, transparent 1px, transparent 80px);
}

.hero__grid-lines::after {
    background: radial-gradient(ellipse at 30% 50%, rgba(59, 130, 246, 0.15) 0%, transparent 60%);
    animation: gridPulse 6s ease-in-out infinite;
}

@keyframes gridPulse {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 1; }
}

.hero__content {
    position: relative;
    z-index: 3;
    max-width: 800px;
    padding: 120px 0 80px;
    margin-left: clamp(20px, 8vw, 120px);
}

.hero__badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    background: rgba(59, 130, 246, 0.08);
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-radius: 100px;
    font-size: 13px;
    font-weight: 500;
    color: var(--color-accent-light);
    margin-bottom: 32px;
    letter-spacing: 0.5px;
}

.hero__badge-dot {
    width: 6px;
    height: 6px;
    background: var(--color-accent);
    border-radius: 50%;
    animation: blink 2s ease-in-out infinite;
    box-shadow: 0 0 8px var(--color-accent);
}

@keyframes blink {
    0%, 100% { opacity: 1; box-shadow: 0 0 8px var(--color-accent); }
    50% { opacity: 0.3; box-shadow: 0 0 2px var(--color-accent); }
}

.hero__title {
    font-family: var(--font-display);
    font-size: clamp(36px, 6vw, 72px);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 24px;
}

.hero__title span {
    display: block;
}

.hero__title--accent {
    color: var(--color-silver-dark);
    font-weight: 400;
}

.hero__title--bold {
    font-weight: 900;
    font-size: clamp(48px, 8vw, 96px);
    letter-spacing: -2px;
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-silver-light) 50%, var(--color-accent-light) 100%);
    background-size: 200% 200%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: shimmer 4s ease-in-out infinite;
}

@keyframes shimmer {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

/* Typing cursor for hero subtitle */
.hero__subtitle {
    font-size: clamp(16px, 1.8vw, 20px);
    color: var(--color-text-secondary);
    max-width: 560px;
    margin-bottom: 40px;
    line-height: 1.7;
}

.typing-cursor {
    display: inline-block;
    width: 2px;
    height: 1.1em;
    background: var(--color-accent);
    margin-left: 2px;
    vertical-align: text-bottom;
    animation: cursorBlink 0.8s step-end infinite;
}

@keyframes cursorBlink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

.hero__actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.hero__scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--color-text-muted);
    font-size: 11px;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.hero__scroll-line {
    width: 1px;
    height: 60px;
    background: linear-gradient(to bottom, var(--color-accent), transparent);
    animation: scrollLine 2s ease-in-out infinite;
}

@keyframes scrollLine {
    0% { transform: scaleY(0); transform-origin: top; }
    50% { transform: scaleY(1); transform-origin: top; }
    51% { transform-origin: bottom; }
    100% { transform: scaleY(0); transform-origin: bottom; }
}

.hero__stats {
    position: absolute;
    bottom: 0;
    right: 0;
    z-index: 3;
    display: flex;
    background: rgba(6, 10, 16, 0.8);
    backdrop-filter: blur(20px);
    border-top: 1px solid var(--color-border);
    border-left: 1px solid var(--color-border);
    border-radius: var(--radius-lg) 0 0 0;
}

.hero__stat {
    padding: 32px 40px;
    text-align: center;
    border-right: 1px solid var(--color-border);
    transition: background var(--transition-base);
}

.hero__stat:hover {
    background: var(--color-accent-glow);
}

.hero__stat:last-child {
    border-right: none;
}

.hero__stat-number {
    font-family: var(--font-display);
    font-size: 36px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--color-accent-light), var(--color-silver));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: inline;
}

.hero__stat-suffix {
    font-family: var(--font-display);
    font-size: 24px;
    font-weight: 700;
    color: var(--color-accent);
}

.hero__stat-label {
    display: block;
    font-size: 12px;
    color: var(--color-text-muted);
    margin-top: 4px;
    letter-spacing: 0.5px;
}

@media (max-width: 900px) {
    .hero__stats {
        position: relative;
        width: 100%;
        border-radius: 0;
        justify-content: center;
        flex-wrap: wrap;
    }

    .hero__stat {
        padding: 20px 24px;
    }

    .hero__content {
        margin-left: clamp(20px, 4vw, 48px);
        padding-bottom: 20px;
    }

    .hero {
        flex-direction: column;
        justify-content: center;
    }

    .hero__scroll {
        display: none;
    }
}

/* ============================================
   SECTION COMMON
   ============================================ */

.section-tag {
    display: inline-block;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--color-accent-light);
    margin-bottom: 16px;
    position: relative;
    padding-left: 32px;
}

.section-tag::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    width: 20px;
    height: 1px;
    background: linear-gradient(90deg, var(--color-accent), var(--color-silver-dark));
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(32px, 4vw, 52px);
    font-weight: 700;
    line-height: 1.15;
    margin-bottom: 24px;
    letter-spacing: -0.5px;
}

.section-title--light {
    color: var(--color-white);
}

.text-accent {
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ============================================
   ABOUT
   ============================================ */

.about {
    padding: var(--section-padding) 0;
    background: var(--color-bg);
    position: relative;
}

.about::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(to right, transparent, var(--color-border), transparent);
}

.about__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: clamp(40px, 6vw, 100px);
    align-items: center;
}

.about__text {
    font-size: 17px;
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-bottom: 40px;
}

.about__values {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.about__value {
    display: flex;
    gap: 20px;
    padding: 24px;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.about__value::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(to bottom, var(--color-accent), var(--color-silver-dark));
    transform: scaleY(0);
    transition: transform var(--transition-smooth);
}

.about__value:hover {
    border-color: var(--color-accent);
    background: var(--color-bg-card-hover);
    transform: translateX(4px);
}

.about__value:hover::before {
    transform: scaleY(1);
}

.about__value-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-accent-glow);
    border-radius: var(--radius-sm);
    color: var(--color-accent);
    transition: all var(--transition-base);
}

.about__value:hover .about__value-icon {
    background: var(--color-accent);
    color: var(--color-white);
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.4);
}

.about__value h4 {
    font-family: var(--font-display);
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 6px;
}

.about__value p {
    font-size: 14px;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

.about__visual {
    position: relative;
}

.about__image-stack {
    position: relative;
    height: 500px;
}

.about__img {
    position: absolute;
    border-radius: var(--radius-lg);
    object-fit: cover;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    transition: transform var(--transition-smooth);
}

.about__img--1 {
    width: 65%;
    height: 80%;
    top: 0;
    left: 0;
    z-index: 1;
}

.about__img--2 {
    width: 55%;
    height: 65%;
    bottom: 0;
    right: 0;
    z-index: 2;
    border: 3px solid var(--color-bg);
}

.about__image-stack:hover .about__img--1 {
    transform: translate(-5px, -5px) rotate(-1deg);
}

.about__image-stack:hover .about__img--2 {
    transform: translate(5px, 5px) rotate(1deg);
}

.about__experience-badge {
    position: absolute;
    bottom: 20%;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
    color: var(--color-white);
    padding: 20px 28px;
    border-radius: var(--radius-md);
    text-align: center;
    box-shadow: 0 12px 40px rgba(59, 130, 246, 0.35);
    transition: transform var(--transition-spring);
}

.about__image-stack:hover .about__experience-badge {
    transform: translateX(-50%) scale(1.08);
}

.about__experience-number {
    display: block;
    font-family: var(--font-display);
    font-size: 36px;
    font-weight: 800;
    line-height: 1;
}

.about__experience-text {
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
}

@media (max-width: 900px) {
    .about__grid {
        grid-template-columns: 1fr;
    }

    .about__image-stack {
        height: 400px;
    }
}

/* ============================================
   SERVICES
   ============================================ */

.services {
    padding: var(--section-padding) 0;
    background: var(--color-bg-alt);
    position: relative;
    overflow: hidden;
}

.services::before {
    content: '';
    position: absolute;
    top: -200px;
    right: -200px;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.04) 0%, transparent 70%);
    pointer-events: none;
}

.services__header {
    text-align: center;
    margin-bottom: 64px;
}

.services__header .section-tag::before {
    display: none;
}

.services__header .section-tag {
    padding-left: 0;
}

.services__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.service-card {
    position: relative;
    padding: 40px 32px;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    transition: all var(--transition-smooth);
    overflow: hidden;
    cursor: default;
}

.service-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.06) 0%, rgba(192, 207, 224, 0.02) 50%, transparent 100%);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.service-card:hover {
    border-color: rgba(59, 130, 246, 0.3);
    transform: translateY(-8px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3), 0 0 40px rgba(59, 130, 246, 0.08);
}

.service-card:hover::before {
    opacity: 1;
}

.service-card__number {
    position: absolute;
    top: 20px;
    right: 24px;
    font-family: var(--font-display);
    font-size: 48px;
    font-weight: 800;
    color: var(--color-border);
    line-height: 1;
    transition: all var(--transition-base);
}

.service-card:hover .service-card__number {
    color: rgba(59, 130, 246, 0.12);
    transform: scale(1.1);
}

.service-card__icon {
    position: relative;
    z-index: 1;
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-accent-glow);
    border-radius: var(--radius-md);
    color: var(--color-accent);
    margin-bottom: 24px;
    transition: all var(--transition-base);
}

.service-card:hover .service-card__icon {
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
    color: var(--color-white);
    transform: scale(1.05) rotate(-3deg);
    box-shadow: 0 8px 25px rgba(59, 130, 246, 0.35);
}

.service-card__title {
    position: relative;
    z-index: 1;
    font-family: var(--font-display);
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 12px;
}

.service-card__desc {
    position: relative;
    z-index: 1;
    font-size: 14px;
    color: var(--color-text-secondary);
    line-height: 1.7;
}

.service-card__line {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--color-accent), var(--color-silver-dark));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-smooth);
}

.service-card:hover .service-card__line {
    transform: scaleX(1);
}

@media (max-width: 1024px) {
    .services__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .services__grid {
        grid-template-columns: 1fr;
    }
}

/* ============================================
   PROJECTS
   ============================================ */

.projects {
    padding: var(--section-padding) 0;
    background: var(--color-bg);
    position: relative;
}

.projects__header {
    text-align: center;
    margin-bottom: 64px;
}

.projects__header .section-tag::before {
    display: none;
}

.projects__header .section-tag {
    padding-left: 0;
}

.projects__showcase {
    display: grid;
    grid-template-columns: 1fr 1.5fr 1fr;
    gap: 24px;
    align-items: stretch;
}

.project-card {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    transition: all var(--transition-smooth);
}

.project-card:hover {
    transform: translateY(-8px);
    border-color: rgba(59, 130, 246, 0.3);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4), 0 0 40px rgba(59, 130, 246, 0.06);
}

.project-card__image {
    position: relative;
    height: 320px;
    overflow: hidden;
}

.project-card--large .project-card__image {
    height: 400px;
}

.project-card__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-smooth), filter var(--transition-smooth);
}

.project-card:hover .project-card__image img {
    transform: scale(1.08);
    filter: brightness(1.1);
}

.project-card__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(6, 10, 16, 0.85) 0%, rgba(6, 10, 16, 0.2) 40%, transparent 60%);
    display: flex;
    align-items: flex-end;
    padding: 24px;
}

.project-card__year {
    font-family: var(--font-display);
    font-size: 13px;
    font-weight: 600;
    color: var(--color-accent-light);
    background: rgba(59, 130, 246, 0.15);
    padding: 4px 12px;
    border-radius: 100px;
    border: 1px solid rgba(59, 130, 246, 0.3);
    backdrop-filter: blur(8px);
}

.project-card__info {
    padding: 24px;
}

.project-card__title {
    font-family: var(--font-display);
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 4px;
}

.project-card__location {
    font-size: 14px;
    color: var(--color-text-muted);
    margin-bottom: 16px;
}

.project-card__stat {
    display: flex;
    align-items: baseline;
    gap: 8px;
}

.project-card__stat-number {
    font-family: var(--font-display);
    font-size: 32px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--color-accent-light), var(--color-silver));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.project-card__stat-unit {
    font-size: 13px;
    color: var(--color-text-secondary);
}

@media (max-width: 900px) {
    .projects__showcase {
        grid-template-columns: 1fr;
    }

    .project-card--large .project-card__image {
        height: 320px;
    }
}

/* ============================================
   PROCESS CARDS
   ============================================ */

.process {
    padding: var(--section-padding) 0;
    background: var(--color-bg-alt);
    position: relative;
    overflow: hidden;
}

.process__header {
    text-align: center;
    margin-bottom: 56px;
}

.process__header .section-tag::before {
    display: none;
}

.process__header .section-tag {
    padding-left: 0;
}

.process__subtitle {
    font-size: 17px;
    color: var(--color-text-secondary);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.7;
}

.process__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

/* Card */
.process-card {
    position: relative;
    padding: 32px 28px;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    transition: all var(--transition-smooth);
    overflow: hidden;
    cursor: default;
}

.process-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.06) 0%, transparent 60%);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.process-card:hover {
    border-color: rgba(59, 130, 246, 0.3);
    transform: translateY(-6px);
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.25), 0 0 30px rgba(59, 130, 246, 0.06);
}

.process-card:hover::before {
    opacity: 1;
}

.process-card__number {
    position: absolute;
    top: 16px;
    right: 20px;
    font-family: var(--font-display);
    font-size: 44px;
    font-weight: 800;
    color: var(--color-border);
    line-height: 1;
    transition: color var(--transition-base);
}

.process-card:hover .process-card__number {
    color: rgba(59, 130, 246, 0.1);
}

.process-card__icon {
    position: relative;
    z-index: 1;
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-accent-glow);
    border-radius: var(--radius-md);
    color: var(--color-accent);
    margin-bottom: 20px;
    transition: all var(--transition-base);
}

.process-card:hover .process-card__icon {
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
    color: var(--color-white);
    transform: scale(1.05) rotate(-3deg);
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.35);
}

.process-card__title {
    position: relative;
    z-index: 1;
    font-family: var(--font-display);
    font-size: 17px;
    font-weight: 600;
    margin-bottom: 10px;
}

.process-card__desc {
    position: relative;
    z-index: 1;
    font-size: 14px;
    color: var(--color-text-secondary);
    line-height: 1.7;
}

.process-card__line {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--color-accent), var(--color-silver-dark));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-smooth);
}

.process-card:hover .process-card__line {
    transform: scaleX(1);
}

/* CTA */
.process__cta {
    text-align: center;
    margin-top: 48px;
}

.process__cta-text {
    font-size: 16px;
    color: var(--color-text-secondary);
    margin-bottom: 20px;
    font-style: italic;
}

@media (max-width: 1024px) {
    .process__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .process__grid {
        grid-template-columns: 1fr;
    }
}

/* ============================================
   CLIENTS
   ============================================ */

.clients {
    padding: var(--section-padding) 0;
    background: var(--color-bg-alt);
    position: relative;
    overflow: hidden;
}

.clients__header {
    text-align: center;
    margin-bottom: 64px;
}

.clients__header .section-tag::before {
    display: none;
}

.clients__header .section-tag {
    padding-left: 0;
}

.clients__marquee {
    overflow: hidden;
    mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
    -webkit-mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
}

.clients__track {
    display: flex;
    width: max-content;
    animation: marquee 30s linear infinite;
}

.clients__track:hover {
    animation-play-state: paused;
}

@keyframes marquee {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

.clients__logos {
    display: flex;
    align-items: center;
    gap: 60px;
    padding: 0 30px;
}

.clients__logo {
    height: 60px;
    width: auto;
    max-width: 160px;
    object-fit: contain;
    filter: grayscale(100%) brightness(0.5) invert(0.7);
    opacity: 0.4;
    transition: all var(--transition-base);
}

.clients__logo:hover {
    filter: grayscale(0%) brightness(1) invert(0);
    opacity: 1;
    transform: scale(1.15);
}

/* ============================================
   DOWNLOADS
   ============================================ */

.downloads {
    padding: 0;
    background: var(--color-bg);
    position: relative;
}

.downloads__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
    padding: 40px 48px;
    background: linear-gradient(135deg, var(--color-bg-card) 0%, rgba(59, 130, 246, 0.06) 100%);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    position: relative;
    overflow: hidden;
    margin-bottom: -1px;
}

.downloads__inner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--color-accent), var(--color-silver-dark), var(--color-accent-light));
}

.downloads__inner::after {
    content: '';
    position: absolute;
    right: -60px;
    top: -60px;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.06) 0%, transparent 70%);
    pointer-events: none;
}

.downloads__text {
    display: flex;
    align-items: center;
    gap: 20px;
}

.downloads__icon {
    flex-shrink: 0;
    color: var(--color-accent);
    background: var(--color-accent-glow);
    padding: 14px;
    border-radius: var(--radius-md);
    width: 56px;
    height: 56px;
    box-sizing: content-box;
}

.downloads__title {
    font-family: var(--font-display);
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 4px;
}

.downloads__desc {
    font-size: 14px;
    color: var(--color-text-secondary);
}

.downloads__buttons {
    display: flex;
    gap: 12px;
    flex-shrink: 0;
}

.btn--download {
    background: var(--color-surface);
    border: 1px solid var(--color-border-hover);
    color: var(--color-silver-light);
    padding: 12px 24px;
    font-size: 14px;
    border-radius: var(--radius-sm);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.btn--download::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
    opacity: 0;
    transition: opacity var(--transition-base);
}

.btn--download span,
.btn--download svg {
    position: relative;
    z-index: 1;
}

.btn--download:hover {
    border-color: var(--color-accent);
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(59, 130, 246, 0.25);
}

.btn--download:hover::before {
    opacity: 1;
}

.btn--download:active {
    transform: translateY(0);
}

@media (max-width: 768px) {
    .downloads__inner {
        flex-direction: column;
        text-align: center;
        padding: 32px 24px;
    }

    .downloads__text {
        flex-direction: column;
    }

    .downloads__buttons {
        width: 100%;
        flex-direction: column;
    }

    .btn--download {
        justify-content: center;
        width: 100%;
    }
}

/* ============================================
   COVERAGE MAP
   ============================================ */

.coverage {
    padding: var(--section-padding) 0;
    background: var(--color-bg);
    position: relative;
    overflow: hidden;
}

.coverage__header {
    text-align: center;
    margin-bottom: 64px;
}

.coverage__header .section-tag::before {
    display: none;
}

.coverage__header .section-tag {
    padding-left: 0;
}

.coverage__subtitle {
    font-size: 17px;
    color: var(--color-text-secondary);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.7;
}

.coverage__grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: clamp(32px, 5vw, 64px);
    align-items: center;
}

.coverage__map-wrapper {
    position: relative;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 32px;
    overflow: hidden;
}

.coverage__map-wrapper::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 45% 55%, rgba(59, 130, 246, 0.05) 0%, transparent 60%);
    pointer-events: none;
}

.coverage__map {
    position: relative;
}

#mexicoCanvas {
    width: 100%;
    height: auto;
    display: block;
    cursor: crosshair;
}

.coverage__zoom-btn {
    position: absolute;
    bottom: 16px;
    right: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border-hover);
    border-radius: var(--radius-sm);
    color: var(--color-accent-light);
    font-family: var(--font-primary);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-base);
    z-index: 5;
}

.coverage__zoom-btn:hover {
    background: var(--color-accent);
    color: var(--color-white);
    border-color: var(--color-accent);
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
}

/* Tooltip */
.coverage__tooltip {
    position: absolute;
    padding: 8px 16px;
    background: var(--color-bg-card);
    border: 1px solid var(--color-accent);
    border-radius: var(--radius-sm);
    pointer-events: none;
    opacity: 0;
    transform: translateY(4px);
    transition: opacity var(--transition-fast), transform var(--transition-fast);
    z-index: 10;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4), 0 0 15px rgba(59, 130, 246, 0.1);
    white-space: nowrap;
}

.coverage__tooltip.visible {
    opacity: 1;
    transform: translateY(0);
}

.coverage__tooltip-city {
    display: block;
    font-family: var(--font-display);
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text);
}

.coverage__tooltip-label {
    display: block;
    font-size: 11px;
    color: var(--color-accent-light);
    letter-spacing: 0.5px;
}

/* Info cards */
.coverage__info {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.coverage__card {
    display: flex;
    gap: 20px;
    padding: 24px;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.coverage__card::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(to bottom, var(--color-accent), var(--color-silver-dark));
    transform: scaleY(0);
    transition: transform var(--transition-smooth);
}

.coverage__card:hover {
    border-color: var(--color-accent);
    background: var(--color-bg-card-hover);
    transform: translateX(4px);
}

.coverage__card:hover::before {
    transform: scaleY(1);
}

.coverage__card-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-accent-glow);
    border-radius: var(--radius-sm);
    color: var(--color-accent);
    transition: all var(--transition-base);
}

.coverage__card-icon--bajio {
    background: rgba(59, 130, 246, 0.1);
    color: var(--color-accent-light);
}

.coverage__card-icon--national {
    background: rgba(192, 207, 224, 0.08);
    color: var(--color-silver);
}

.coverage__card:hover .coverage__card-icon {
    background: var(--color-accent);
    color: var(--color-white);
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.35);
}

.coverage__card h4 {
    font-family: var(--font-display);
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 6px;
}

.coverage__card p {
    font-size: 14px;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

@media (max-width: 900px) {
    .coverage__grid {
        grid-template-columns: 1fr;
    }

    .coverage__map-wrapper {
        padding: 20px;
    }
}

/* ============================================
   CONTACT
   ============================================ */

.contact {
    position: relative;
    padding: var(--section-padding) 0;
    overflow: hidden;
}

.contact__bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.contact__bg-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.contact__bg-overlay {
    position: absolute;
    inset: 0;
    background:
        linear-gradient(135deg, rgba(6, 10, 16, 0.96) 0%, rgba(6, 10, 16, 0.88) 100%),
        linear-gradient(to right, rgba(59, 130, 246, 0.05), transparent);
}

.contact .container {
    position: relative;
    z-index: 1;
}

.contact__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: clamp(40px, 6vw, 80px);
    align-items: start;
}

.contact__text {
    font-size: 17px;
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-bottom: 40px;
}

.contact__details {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 32px;
}

.contact__detail {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 20px;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
}

.contact__detail:hover {
    border-color: var(--color-accent);
    background: var(--color-accent-glow);
    transform: translateX(6px);
    box-shadow: -4px 0 0 var(--color-accent);
}

.contact__detail-icon {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-accent-glow);
    border-radius: var(--radius-sm);
    color: var(--color-accent);
    transition: all var(--transition-base);
}

.contact__detail:hover .contact__detail-icon {
    background: var(--color-accent);
    color: var(--color-white);
}

.contact__detail-label {
    display: block;
    font-size: 11px;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.contact__detail-value {
    display: block;
    font-size: 15px;
    font-weight: 500;
    color: var(--color-text);
}

.contact__person {
    display: flex;
    align-items: center;
    gap: 16px;
    padding-top: 24px;
    border-top: 1px solid var(--color-border);
}

.contact__person-avatar {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
    color: var(--color-white);
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 16px;
    border-radius: 50%;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
}

.contact__person-name {
    display: block;
    font-weight: 600;
    font-size: 15px;
}

.contact__person-role {
    display: block;
    font-size: 13px;
    color: var(--color-text-muted);
}

/* Form */
.contact__form-wrapper {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 40px;
    position: relative;
    overflow: hidden;
}

.contact__form-wrapper::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--color-accent), var(--color-silver-dark), var(--color-accent-light));
}

.contact__form {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group {
    position: relative;
}

.form-group--full {
    grid-column: 1 / -1;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 16px 18px;
    font-family: var(--font-primary);
    font-size: 15px;
    color: var(--color-text);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    outline: none;
    transition: all var(--transition-fast);
    appearance: none;
}

.form-group select {
    cursor: pointer;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%238899aa' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    padding-right: 40px;
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.form-group label {
    position: absolute;
    top: 16px;
    left: 18px;
    font-size: 15px;
    color: var(--color-text-muted);
    pointer-events: none;
    transition: all var(--transition-fast);
    background: var(--color-surface);
    padding: 0 4px;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px var(--color-accent-glow), 0 0 20px rgba(59, 130, 246, 0.08);
}

.form-group input:focus + label,
.form-group input:not(:placeholder-shown) + label,
.form-group select:focus + label,
.form-group select:valid + label,
.form-group textarea:focus + label,
.form-group textarea:not(:placeholder-shown) + label {
    top: -8px;
    font-size: 11px;
    color: var(--color-accent-light);
    letter-spacing: 0.5px;
}

.contact__form .btn {
    grid-column: 1 / -1;
    margin-top: 8px;
}

@media (max-width: 900px) {
    .contact__grid {
        grid-template-columns: 1fr;
    }

    .contact__form {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    .contact__form-wrapper {
        padding: 24px;
    }
}

/* ============================================
   FOOTER
   ============================================ */

.footer {
    background: var(--color-bg-alt);
    padding: 64px 0 32px;
    border-top: 1px solid var(--color-border);
}

.footer__grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 48px;
}

.footer__logo {
    width: 120px;
    height: 120px;
    object-fit: contain;
    margin-bottom: 12px;
}

.footer__tagline {
    font-size: 14px;
    color: var(--color-text-secondary);
    font-style: italic;
}

.footer__links h4 {
    font-family: var(--font-display);
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--color-text);
}

.footer__links a,
.footer__links span {
    display: block;
    font-size: 14px;
    color: var(--color-text-muted);
    margin-bottom: 10px;
    transition: color var(--transition-fast), transform var(--transition-fast);
}

.footer__links a:hover {
    color: var(--color-accent-light);
    transform: translateX(4px);
}

.footer__bottom {
    padding-top: 32px;
    border-top: 1px solid var(--color-border);
    text-align: center;
}

.footer__bottom p {
    font-size: 13px;
    color: var(--color-text-muted);
}

@media (max-width: 768px) {
    .footer__grid {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
    }
}

@media (max-width: 480px) {
    .footer__grid {
        grid-template-columns: 1fr;
    }
}

/* ============================================
   WHATSAPP FLOAT
   ============================================ */

.whatsapp-float {
    position: fixed;
    bottom: 28px;
    right: 28px;
    z-index: 999;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #25D366;
    color: white;
    border-radius: 50%;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    transition: all var(--transition-base);
    animation: whatsappPulse 3s ease-in-out infinite;
}

.whatsapp-float:hover {
    transform: scale(1.1) rotate(10deg);
    box-shadow: 0 6px 30px rgba(37, 211, 102, 0.5);
}

@keyframes whatsappPulse {
    0%, 100% { box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4); }
    50% { box-shadow: 0 4px 30px rgba(37, 211, 102, 0.6), 0 0 0 12px rgba(37, 211, 102, 0.1); }
}

/* ============================================
   BACK TO TOP
   ============================================ */

.back-to-top {
    position: fixed;
    bottom: 100px;
    right: 28px;
    z-index: 999;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 50%;
    color: var(--color-silver);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transition-base);
    cursor: pointer;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background: var(--color-accent);
    color: var(--color-white);
    border-color: var(--color-accent);
    transform: translateY(-3px);
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
}

/* ============================================
   REVEAL ANIMATIONS
   ============================================ */

.reveal-up {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
    transition-delay: var(--delay, 0s);
}

.reveal-up.revealed {
    opacity: 1;
    transform: translateY(0);
}

.reveal-left {
    opacity: 0;
    transform: translateX(-40px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
    transition-delay: var(--delay, 0s);
}

.reveal-left.revealed {
    opacity: 1;
    transform: translateX(0);
}

.reveal-right {
    opacity: 0;
    transform: translateX(40px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
    transition-delay: var(--delay, 0s);
}

.reveal-right.revealed {
    opacity: 1;
    transform: translateX(0);
}

.reveal-scale {
    opacity: 0;
    transform: scale(0.85);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
    transition-delay: var(--delay, 0s);
}

.reveal-scale.revealed {
    opacity: 1;
    transform: scale(1);
}

/* ============================================
   PARTICLES
   ============================================ */

.particle {
    position: absolute;
    width: 2px;
    height: 2px;
    border-radius: 50%;
    opacity: 0;
    animation: particleFloat linear infinite;
}

@keyframes particleFloat {
    0% {
        opacity: 0;
        transform: translateY(0) scale(0);
    }
    10% {
        opacity: 0.6;
        transform: scale(1);
    }
    90% {
        opacity: 0.15;
    }
    100% {
        opacity: 0;
        transform: translateY(-100vh) scale(0);
    }
}

/* Spark particles for interactive elements */
.spark {
    position: absolute;
    pointer-events: none;
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: var(--color-accent-light);
    animation: sparkFade 0.6s ease-out forwards;
}

@keyframes sparkFade {
    0% {
        opacity: 1;
        transform: scale(1);
    }
    100% {
        opacity: 0;
        transform: scale(0) translate(var(--tx, 0), var(--ty, 0));
    }
}

/* ============================================
   GRAIN OVERLAY
   ============================================ */

body::after {
    content: '';
    position: fixed;
    inset: 0;
    z-index: 9998;
    pointer-events: none;
    opacity: 0.02;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
    background-repeat: repeat;
    background-size: 256px;
}

/* ============================================
   TOOLTIP
   ============================================ */

[data-tooltip] {
    position: relative;
}

[data-tooltip]::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%) translateY(4px);
    padding: 6px 12px;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: 12px;
    color: var(--color-text);
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-fast);
    pointer-events: none;
    z-index: 100;
}

[data-tooltip]:hover::after {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

/* ============================================
   METRICS / CHARTS SECTION
   ============================================ */

.metrics {
    padding: var(--section-padding) 0;
    position: relative;
    overflow: hidden;
}

.metrics::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--color-accent-glow) 0%, transparent 70%);
    pointer-events: none;
    opacity: 0.5;
}

.metrics__header {
    text-align: center;
    margin-bottom: 64px;
}

.metrics__subtitle {
    color: var(--color-text-secondary);
    max-width: 560px;
    margin: 0 auto;
    font-size: 16px;
    line-height: 1.7;
}

/* ── Ring Charts ── */

.metrics__rings {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
    margin-bottom: 56px;
}

.metrics__ring-card {
    text-align: center;
    padding: 32px 16px;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
}

.metrics__ring-card:hover {
    border-color: var(--color-border-hover);
    background: var(--color-bg-card-hover);
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.metrics__ring {
    position: relative;
    width: 130px;
    height: 130px;
    margin: 0 auto 20px;
}

.metrics__ring svg {
    width: 100%;
    height: 100%;
    transform: rotate(-90deg);
}

.metrics__ring-bg {
    fill: none;
    stroke: var(--color-border);
    stroke-width: 6;
}

.metrics__ring-fill {
    fill: none;
    stroke: url(#ringGradient);
    stroke-width: 6;
    stroke-linecap: round;
    transition: stroke-dashoffset 2s cubic-bezier(0.16, 1, 0.3, 1);
}

.metrics__ring-card:nth-child(1) .metrics__ring-fill { stroke: var(--color-accent); }
.metrics__ring-card:nth-child(2) .metrics__ring-fill { stroke: #22c55e; }
.metrics__ring-card:nth-child(3) .metrics__ring-fill { stroke: var(--color-accent-light); }
.metrics__ring-card:nth-child(4) .metrics__ring-fill { stroke: var(--color-silver); }

.metrics__ring-value {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-family: var(--font-display);
    font-size: 28px;
    font-weight: 700;
    color: var(--color-text);
    line-height: 1;
}

.metrics__ring-value small {
    font-size: 16px;
    font-weight: 500;
    color: var(--color-text-secondary);
}

.metrics__ring-label {
    font-family: var(--font-display);
    font-size: 15px;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 6px;
}

.metrics__ring-desc {
    font-size: 13px;
    color: var(--color-text-secondary);
    line-height: 1.5;
}

/* ── Bar Chart ── */

.metrics__charts {
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: 32px;
    align-items: start;
}

.metrics__chart-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 32px;
}

.metrics__chart-title {
    font-family: var(--font-display);
    font-size: 15px;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 28px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.metrics__chart-title svg {
    color: var(--color-accent);
    flex-shrink: 0;
}

.metrics__bar-chart {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.metrics__bar-group {
    display: flex;
    align-items: center;
    gap: 16px;
}

.metrics__bar-label {
    font-family: var(--font-display);
    font-size: 13px;
    font-weight: 600;
    color: var(--color-text-secondary);
    width: 40px;
    flex-shrink: 0;
    text-align: right;
}

.metrics__bar-track {
    flex: 1;
    height: 32px;
    background: rgba(140, 180, 220, 0.05);
    border-radius: 6px;
    overflow: hidden;
    position: relative;
}

.metrics__bar {
    height: 100%;
    width: 0;
    background: var(--bar-color, var(--color-accent));
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    padding: 0 12px;
    position: relative;
    transition: width 1.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.metrics__bar::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 50%;
    background: linear-gradient(to bottom, rgba(255,255,255,0.12), transparent);
    border-radius: 6px 6px 0 0;
}

.metrics__bar-amount {
    font-family: var(--font-display);
    font-size: 12px;
    font-weight: 700;
    color: var(--color-white);
    white-space: nowrap;
    position: relative;
    z-index: 1;
    opacity: 0;
    transition: opacity 0.4s ease 1.6s;
}

.metrics__bar.animated .metrics__bar-amount {
    opacity: 1;
}

.metrics__bar--current {
    background: linear-gradient(90deg, var(--color-accent), var(--color-accent-light));
    animation: barPulse 2s ease-in-out infinite;
}

.metrics__bar-badge {
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-white);
    background: rgba(0,0,0,0.3);
    padding: 2px 8px;
    border-radius: 4px;
    margin-left: 8px;
    position: relative;
    z-index: 1;
    white-space: nowrap;
}

@keyframes barPulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(59, 130, 246, 0.3); }
    50% { box-shadow: 0 0 20px 4px rgba(59, 130, 246, 0.15); }
}

/* ── KPI Cards ── */

.metrics__kpi-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.metrics__kpi {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 24px;
    text-align: center;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.metrics__kpi::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.metrics__kpi:hover {
    border-color: var(--color-border-hover);
    transform: translateY(-3px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.25);
}

.metrics__kpi:hover::before {
    opacity: 1;
}

.metrics__kpi-icon {
    width: 44px;
    height: 44px;
    border-radius: 10px;
    background: var(--color-accent-glow);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 14px;
    color: var(--color-accent-light);
}

.metrics__kpi-number {
    font-family: var(--font-display);
    font-size: 36px;
    font-weight: 700;
    color: var(--color-text);
    display: block;
    line-height: 1.1;
}

.metrics__kpi-unit {
    font-size: 13px;
    font-weight: 600;
    color: var(--color-accent-light);
    text-transform: uppercase;
    letter-spacing: 1px;
    display: block;
    margin-top: 4px;
}

.metrics__kpi-desc {
    font-size: 12px;
    color: var(--color-text-muted);
    margin-top: 8px;
    line-height: 1.5;
    display: block;
}

/* ── Responsive ── */

@media (max-width: 1024px) {
    .metrics__rings {
        grid-template-columns: repeat(2, 1fr);
    }
    .metrics__charts {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .metrics__rings {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }
    .metrics__ring {
        width: 100px;
        height: 100px;
    }
    .metrics__ring-value {
        font-size: 22px;
    }
    .metrics__ring-value small {
        font-size: 13px;
    }
    .metrics__kpi-grid {
        grid-template-columns: 1fr 1fr;
        gap: 12px;
    }
    .metrics__kpi-number {
        font-size: 28px;
    }
    .metrics__chart-card {
        padding: 20px;
    }
    .metrics__bar-group {
        gap: 10px;
    }
    .metrics__bar-track {
        height: 26px;
    }
}

@media (max-width: 480px) {
    .metrics__rings {
        grid-template-columns: 1fr 1fr;
        gap: 12px;
    }
    .metrics__ring-card {
        padding: 20px 12px;
    }
    .metrics__ring {
        width: 80px;
        height: 80px;
        margin-bottom: 12px;
    }
    .metrics__ring-value {
        font-size: 18px;
    }
    .metrics__ring-label {
        font-size: 13px;
    }
    .metrics__ring-desc {
        font-size: 11px;
    }
    .metrics__kpi-grid {
        grid-template-columns: 1fr;
    }
    .metrics__kpi-number {
        font-size: 32px;
    }
    .metrics__bar-label {
        font-size: 11px;
        width: 32px;
    }
    .metrics__bar-track {
        height: 24px;
    }
    .metrics__bar-amount {
        font-size: 10px;
    }
}