:root {
    /* Core Palette */
    --primary: #0A1628;
    --primary-mid: #112240;
    --primary-light: #1A3A6B;
    --accent: #00D4FF;
    --accent-2: #0099CC;
    --gold: #F5A623;
    --gold-light: #FFD166;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #0A1628 0%, #112240 50%, #1a3a6b 100%);
    --gradient-accent: linear-gradient(135deg, #00D4FF, #0066AA);
    --gradient-gold: linear-gradient(135deg, #F5A623, #FFD166);
    --gradient-card: linear-gradient(145deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.02));

    /* Neutrals */
    --white: #FFFFFF;
    --off-white: #F8FAFF;
    --gray-100: #EEF2F8;
    --gray-200: #DDE4F0;
    --gray-400: #8A9BB8;
    --gray-600: #4A5568;
    --black: #060D1A;

    /* UI */
    --border-glass: rgba(255, 255, 255, 0.12);
    --border-light: rgba(255, 255, 255, 0.06);
    --shadow-blue: 0 20px 60px rgba(0, 212, 255, 0.15);
    --shadow-soft: 0 8px 32px rgba(10, 22, 40, 0.12);
    --shadow-card: 0 4px 24px rgba(10, 22, 40, 0.08);
    --shadow-hover: 0 24px 64px rgba(10, 22, 40, 0.16);
    --shadow-gold: 0 8px 32px rgba(245, 166, 35, 0.25);
    --transition: all 0.35s cubic-bezier(0.25, 0.8, 0.25, 1);
    --transition-fast: all 0.2s ease;

    /* Spacing */
    --section-pad: 130px;
    --radius-xl: 32px;
    --radius-lg: 20px;
    --radius-md: 12px;
    --radius-sm: 8px;
    --radius-pill: 100px;
}

/* ===== RESET & BASE ===== */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
    font-size: 16px;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    color: var(--gray-600);
    line-height: 1.7;
    overflow-x: hidden;
    background: var(--white);
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: 1320px;
    margin: 0 auto;
    padding: 0 48px;
}

/* ===== LOADER ===== */
.loader {
    position: fixed;
    inset: 0;
    background: var(--primary);
    z-index: 9999;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: opacity 0.6s ease, visibility 0.6s ease;
}

.loader.hidden {
    opacity: 0;
    visibility: hidden;
}

.loader-content {
    text-align: center;
}

.loader-logo img {
    height: 72px;
    margin-bottom: 36px;
    animation: loaderPulse 1.8s ease-in-out infinite;
    border-radius: 40%;
    object-fit: cover;
}

@keyframes loaderPulse {

    0%,
    100% {
        transform: scale(1);
        opacity: 1;
    }

    50% {
        transform: scale(1.06);
        opacity: 0.85;
    }
}

.loader-bar {
    width: 220px;
    height: 2px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-pill);
    position: relative;
    overflow: hidden;
    margin: 0 auto;
}

.loader-bar::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 60%;
    height: 100%;
    background: linear-gradient(90deg, transparent, var(--accent), transparent);
    animation: loaderSlide 1.8s ease-in-out infinite;
}

@keyframes loaderSlide {
    0% {
        left: -60%;
    }

    100% {
        left: 160%;
    }
}

/* ===== HEADER ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 24px 0;
    transition: var(--transition);
}

.header.scrolled {
    background: rgba(255, 255, 255, 0.97);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 1px 0 rgba(0, 0, 0, 0.06), var(--shadow-soft);
    padding: 14px 0;
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 14px;
    text-decoration: none;
}

.logo img {
    height: 46px;
    transition: var(--transition);
    border-radius: 40%;
    object-fit: cover;
}

.header.scrolled .logo img {
    height: 38px;
}

.logo-text {
    font-size: 1.1rem;
    font-weight: 800;
    color: var(--white);
    letter-spacing: -0.01em;
    transition: var(--transition);
    line-height: 1.2;
}

.header.scrolled .logo-text {
    color: var(--primary);
}

.logo-text small {
    display: block;
    font-size: 0.62rem;
    font-weight: 400;
    opacity: 0.7;
    letter-spacing: 0.04em;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 36px;
}

.nav-list {
    display: flex;
    gap: 4px;
    list-style: none;
}

.nav-link {
    color: rgba(255, 255, 255, 0.88);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.94rem;
    transition: var(--transition-fast);
    padding: 8px 14px;
    border-radius: var(--radius-sm);
    position: relative;
}

.nav-link:hover {
    color: var(--white);
    background: rgba(255, 255, 255, 0.1);
}

.header.scrolled .nav-link {
    color: var(--gray-600);
}

.header.scrolled .nav-link:hover {
    color: var(--primary);
    background: var(--gray-100);
}

.nav-link.active {
    color: var(--white);
}

.header.scrolled .nav-link.active {
    color: var(--primary);
    font-weight: 600;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 4px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--accent);
    border-radius: 2px;
    transition: var(--transition-fast);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: calc(100% - 28px);
}

.header.scrolled .nav-link::after {
    background: var(--primary);
}

/* ===== BUTTON SYSTEM ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-family: inherit;
    font-weight: 600;
    font-size: 0.95rem;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
    letter-spacing: 0.01em;
    border-radius: var(--radius-md);
}

.btn-primary {
    background: var(--gradient-accent);
    color: var(--white);
    padding: 12px 28px;
    box-shadow: 0 4px 20px rgba(0, 180, 220, 0.35);
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.2), transparent);
    opacity: 0;
    transition: var(--transition-fast);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 28px rgba(0, 180, 220, 0.5);
}

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

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

.btn-outline {
    background: transparent;
    color: var(--white);
    border: 1.5px solid rgba(255, 255, 255, 0.4);
    padding: 12px 28px;
    backdrop-filter: blur(4px);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.12);
    border-color: rgba(255, 255, 255, 0.7);
    transform: translateY(-2px);
}

.btn-sm {
    padding: 9px 22px;
    font-size: 0.88rem;
    border-radius: var(--radius-sm);
}

.btn-large {
    padding: 16px 40px;
    font-size: 1rem;
    border-radius: var(--radius-lg);
}

.btn-icon {
    width: 18px;
    height: 18px;
    transition: transform 0.25s ease;
    filter: brightness(0) invert(1);
}

.btn-primary:hover .btn-icon {
    transform: translateX(4px);
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.menu-toggle span {
    width: 26px;
    height: 2px;
    background: var(--white);
    transition: var(--transition);
    display: block;
    border-radius: 2px;
}

.header.scrolled .menu-toggle span {
    background: var(--primary);
}

/* ===== GRADIENT TEXT ===== */
.gradient-text {
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ===== HERO SECTION ===== */
.hero {
    min-height: 100vh;
    position: relative;
    display: flex;
    align-items: center;
    color: var(--white);
    overflow: hidden;
}

.hero-background {
    position: absolute;
    inset: 0;
    background: var(--gradient-primary);
    z-index: -2;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    z-index: -1;
    overflow: hidden;
}

.hero-overlay::before {
    content: '';
    position: absolute;
    top: -30%;
    right: -20%;
    width: 70%;
    height: 170%;
    background: radial-gradient(ellipse at center, rgba(0, 212, 255, 0.12) 0%, transparent 65%);
    animation: heroGlow 8s ease-in-out infinite alternate;
}

.hero-overlay::after {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(circle at 1px 1px, rgba(255, 255, 255, 0.04) 1px, transparent 0);
    background-size: 48px 48px;
}

@keyframes heroGlow {
    0% {
        transform: translate(0, 0) scale(1);
    }

    100% {
        transform: translate(-5%, 5%) scale(1.08);
    }
}

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

.hero-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 80px;
    align-items: center;
    position: relative;
    z-index: 2;
    padding: 120px 0 80px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 7px 18px;
    background: rgba(0, 212, 255, 0.12);
    border: 1px solid rgba(0, 212, 255, 0.3);
    border-radius: var(--radius-pill);
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    margin-bottom: 28px;
    color: var(--accent);
    text-transform: uppercase;
}

.hero-badge::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent);
    animation: badgePulse 2s ease-in-out infinite;
}

@keyframes badgePulse {

    0%,
    100% {
        opacity: 1;
        transform: scale(1);
    }

    50% {
        opacity: 0.4;
        transform: scale(0.7);
    }
}

.hero-title {
    font-family: 'Syne', 'Inter', sans-serif;
    font-size: 4.2rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
    letter-spacing: -0.02em;
    color: var(--white);
}

.hero-description {
    font-size: 1.15rem;
    line-height: 1.75;
    color: rgba(255, 255, 255, 0.72);
    margin-bottom: 40px;
    max-width: 560px;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    margin-bottom: 60px;
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    gap: 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 36px;
}

.stat-item {
    padding-right: 36px;
    margin-right: 36px;
    border-right: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    flex-direction: column;
}

.stat-item:last-child {
    padding-right: 0;
    margin-right: 0;
    border-right: none;
}

.stat-number {
    font-size: 2.6rem;
    font-weight: 800;
    color: var(--white);
    line-height: 1;
    font-variant-numeric: tabular-nums;
    letter-spacing: -0.02em;
}

.stat-number::after {
    content: '+';
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--accent);
}

.stat-label {
    font-size: 0.84rem;
    color: rgba(255, 255, 255, 0.55);
    margin-top: 4px;
}


/* Social Icons */
.social-icon {
    font-size: 22px;
    color: #999;
    transition: 0.3s ease;
}

/* Colores oficiales */
.social-icon.facebook:hover {
    color: #1877F2;
}

.social-icon.instagram:hover {
    color: #E4405F;
}

.social-icon.linkedin:hover {
    color: #0A66C2;
}

/* Hero Visual */
.hero-visual {
    position: relative;
}

.hero-card {
    background: rgba(255, 255, 255, 0.06);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: var(--radius-xl);
    padding: 36px;
    animation: float 7s ease-in-out infinite;
    position: relative;
    overflow: hidden;
}

.hero-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(0, 212, 255, 0.5), transparent);
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0) rotate(0.5deg);
    }

    50% {
        transform: translateY(-18px) rotate(-0.5deg);
    }
}

.service-mini-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin-bottom: 24px;
}

.mini-item {
    background: rgba(255, 255, 255, 0.07);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-lg);
    padding: 20px 16px;
    text-align: center;
    transition: var(--transition);
    cursor: default;
}

.mini-item:hover {
    background: rgba(0, 212, 255, 0.1);
    border-color: rgba(0, 212, 255, 0.2);
    transform: translateY(-3px);
}

.mini-item span:last-child {
    display: block;
    font-size: 0.85rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.8);
    margin-top: 6px;
}

.mini-icon {
    font-size: 1.8rem;
    display: block;
}

.hero-certification {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 16px 20px;
    background: rgba(245, 166, 35, 0.1);
    border: 1px solid rgba(245, 166, 35, 0.25);
    border-radius: var(--radius-md);
}

.hero-certification img {
    width: 32px;
    height: 32px;
}

.hero-certification span {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--gold-light);
}

.hero-scroll {
    position: absolute;
    bottom: 36px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: rgba(255, 255, 255, 0.4);
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.scroll-line {
    width: 1px;
    height: 50px;
    background: linear-gradient(to bottom, rgba(0, 212, 255, 0.6), transparent);
    animation: scrollBob 2s ease-in-out infinite;
}

@keyframes scrollBob {

    0%,
    100% {
        transform: scaleY(1);
        opacity: 0.6;
    }

    50% {
        transform: scaleY(0.7);
        opacity: 0.3;
    }
}

/* ===== SECTION COMMONS ===== */
.section-header {
    text-align: center;
    margin-bottom: 72px;
}

.section-subtitle {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 6px 18px;
    background: rgba(0, 212, 255, 0.08);
    color: var(--accent-2);
    border-radius: var(--radius-pill);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    margin-bottom: 18px;
    border: 1px solid rgba(0, 212, 255, 0.15);
}

.section-subtitle::before {
    content: '';
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--accent-2);
}

.section-title {
    font-family: 'Syne', 'Inter', sans-serif;
    font-size: 3rem;
    font-weight: 800;
    line-height: 1.15;
    color: var(--primary);
    letter-spacing: -0.02em;
    margin-bottom: 18px;
}

.section-description {
    max-width: 700px;
    margin: 0 auto;
    color: var(--gray-400);
    font-size: 1.08rem;
    line-height: 1.75;
}

/* ===== ABOUT SECTION ===== */
.about {
    padding: var(--section-pad) 0;
    background: var(--white);
    position: relative;
    overflow: hidden;
}

.about::before {
    content: '';
    position: absolute;
    top: -200px;
    left: -200px;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(0, 212, 255, 0.04) 0%, transparent 70%);
    pointer-events: none;
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 64px;
}

.about-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: 40px 36px;
    box-shadow: var(--shadow-card);
    border: 1px solid var(--gray-200);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.about-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-accent);
    opacity: 0;
    transition: var(--transition);
}

.about-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-hover);
    border-color: transparent;
}

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

.card-icon {
    width: 72px;
    height: 72px;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.1), rgba(0, 102, 170, 0.15));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 28px;
    border: 1px solid rgba(0, 212, 255, 0.12);
}

.card-icon img {
    width: 36px;
    height: 36px;
    filter: invert(35%) sepia(90%) saturate(500%) hue-rotate(180deg) brightness(1.1);
}

.about-card h3 {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--primary);
    letter-spacing: -0.01em;
}

.about-card p {
    color: var(--gray-400);
    line-height: 1.7;
    font-size: 0.97rem;
}

.values-list {
    list-style: none;
}

.values-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 14px;
    font-size: 1rem;
    color: var(--gray-600);
    font-weight: 500;
}

.value-dot {
    width: 9px;
    height: 9px;
    background: var(--gradient-accent);
    border-radius: 50%;
    flex-shrink: 0;
    box-shadow: 0 0 8px rgba(0, 212, 255, 0.4);
}

.about-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0;
    background: var(--gradient-primary);
    border-radius: var(--radius-xl);
    padding: 0;
    overflow: hidden;
}

.feature-item {
    text-align: center;
    padding: 52px 40px;
    position: relative;
}

.feature-item::after {
    content: '';
    position: absolute;
    top: 20%;
    right: 0;
    height: 60%;
    width: 1px;
    background: rgba(255, 255, 255, 0.1);
}

.feature-item:last-child::after {
    display: none;
}

.feature-number {
    font-family: 'Syne', sans-serif;
    font-size: 5rem;
    font-weight: 800;
    color: rgba(0, 212, 255, 0.18);
    line-height: 1;
    margin-bottom: 12px;
    letter-spacing: -0.05em;
}

.feature-item h4 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 8px;
}

.feature-item p {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.5);
}

/* ===== SERVICES SECTION ===== */
.services {
    padding: var(--section-pad) 0;
    background: var(--off-white);
    position: relative;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.service-card {
    height: 380px;
    perspective: 1500px;
    cursor: pointer;
}

.service-card-inner {
    position: relative;
    width: 100%;
    height: 100%;
    transition: transform 0.75s cubic-bezier(0.4, 0, 0.2, 1);
    transform-style: preserve-3d;
}

.service-card:hover .service-card-inner {
    transform: rotateY(180deg);
}

.service-front,
.service-back {
    position: absolute;
    inset: 0;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
    border-radius: var(--radius-xl);
    padding: 36px 28px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
}

.service-front {
    background: var(--white);
    color: var(--primary);
    box-shadow: var(--shadow-card);
    border: 1px solid var(--gray-200);
    transition: box-shadow 0.3s ease;
}

.service-card:hover .service-front {
    box-shadow: none;
}

.service-back {
    background: var(--gradient-primary);
    color: var(--white);
    transform: rotateY(180deg);
    border: 1px solid rgba(255, 255, 255, 0.06);
    position: relative;
    overflow: hidden;
}

.service-back::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-accent);
}

.service-icon {
    font-size: 3.2rem;
    margin-bottom: 20px;
    display: block;
}

.service-front h3 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--primary);
    letter-spacing: -0.01em;
}

.service-front p {
    font-size: 0.9rem;
    color: var(--gray-400);
}

.service-more {
    margin-top: 20px;
    font-size: 0.84rem;
    color: var(--accent-2);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.service-back h4 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--accent);
    letter-spacing: -0.01em;
}

.service-back ul {
    list-style: none;
    text-align: left;
    width: 100%;
}

.service-back li {
    margin-bottom: 10px;
    font-size: 0.94rem;
    color: rgba(255, 255, 255, 0.85);
    display: flex;
    align-items: center;
    gap: 8px;
}

.service-back li::before {
    content: '→';
    color: var(--accent);
    font-size: 0.85rem;
}

/* ===== SUPPLIES SECTION ===== */
.supplies {
    padding: var(--section-pad) 0;
    background: var(--white);
}

.supplies-tabs {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-bottom: 48px;
    flex-wrap: wrap;
}

.tab-btn {
    padding: 10px 24px;
    background: transparent;
    border: 1.5px solid var(--gray-200);
    color: var(--gray-400);
    border-radius: var(--radius-pill);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-fast);
    font-family: inherit;
}

.tab-btn:hover {
    border-color: var(--accent-2);
    color: var(--accent-2);
    background: rgba(0, 153, 204, 0.04);
}

.tab-btn.active {
    background: var(--gradient-primary);
    color: var(--white);
    border-color: transparent;
    box-shadow: var(--shadow-soft);
}

.supplies-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 20px;
}

.supply-item {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    aspect-ratio: 1;
    cursor: pointer;
    background: var(--gray-100);
    box-shadow: var(--shadow-card);
}

.supply-image {
    width: 100%;
    height: 100%;
    position: relative;
}

.supply-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.supply-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(10, 22, 40, 0.92) 0%, rgba(10, 22, 40, 0.3) 60%, transparent 100%);
    color: var(--white);
    padding: 20px;
    display: flex;
    align-items: flex-end;
    opacity: 0;
    transition: opacity 0.35s ease;
}

.supply-overlay h4 {
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: -0.01em;
    transform: translateY(8px);
    transition: transform 0.35s ease;
}

.supply-item:hover .supply-overlay {
    opacity: 1;
}

.supply-item:hover .supply-overlay h4 {
    transform: translateY(0);
}

.supply-item:hover img {
    transform: scale(1.08);
}

/* ===== SECTORS SECTION ===== */
.sectors {
    padding: var(--section-pad) 0;
    background: var(--off-white);
    overflow: hidden;
}

.sectors-slider {
    position: relative;
    overflow: hidden;
    padding: 20px 0;
    /* Fade edges */
    mask: linear-gradient(90deg, transparent, black 8%, black 92%, transparent);
    -webkit-mask: linear-gradient(90deg, transparent, black 8%, black 92%, transparent);
}

.sectors-track {
    display: flex;
    gap: 24px;
    transition: transform 0.5s cubic-bezier(0.25, 0.8, 0.25, 1);
    width: fit-content;
}

.sectors-track.no-transition {
    transition: none;
}

.sector-slide {
    width: 350px;
    flex-shrink: 0;
}

.sector-card {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    aspect-ratio: 16/10;
    box-shadow: var(--shadow-card);
}

.sector-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.sector-info {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(10, 22, 40, 0.88) 0%, transparent 60%);
    color: var(--white);
    padding: 24px 20px 20px;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    opacity: 0;
    transition: opacity 0.35s ease;
}

.sector-info h3 {
    font-size: 1.2rem;
    font-weight: 700;
    letter-spacing: -0.01em;
    margin-bottom: 4px;
}

.sector-info p {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.65);
}

.sector-card:hover .sector-info {
    opacity: 1;
}

.sector-card:hover img {
    transform: scale(1.08);
}

.slider-controls {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-top: 36px;
}

.slider-prev,
.slider-next {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--white);
    border: 1.5px solid var(--gray-200);
    color: var(--primary);
    font-size: 1.2rem;
    cursor: pointer;
    transition: var(--transition-fast);
    box-shadow: var(--shadow-card);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
}

.slider-prev:hover,
.slider-next:hover {
    background: var(--primary);
    color: var(--white);
    border-color: var(--primary);
    transform: scale(1.08);
}

/* ===== ALLIANCES SECTION ===== */
.alliances {
    padding: 100px 0;
    background: var(--gradient-primary);
    color: var(--white);
    position: relative;
    overflow: hidden;
}

.alliances::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80%;
    height: 200%;
    background: radial-gradient(ellipse at center, rgba(0, 212, 255, 0.08) 0%, transparent 60%);
    pointer-events: none;
}

.alliances::after {
    content: '';
    position: absolute;
    inset: 0;
    background-image: radial-gradient(circle at 1px 1px, rgba(255, 255, 255, 0.03) 1px, transparent 0);
    background-size: 48px 48px;
}

.alliance-wrapper {
    text-align: center;
    position: relative;
    z-index: 1;
}

.iso-badge {
    display: inline-flex;
    align-items: center;
    gap: 14px;
    background: rgba(245, 166, 35, 0.12);
    border: 1px solid rgba(245, 166, 35, 0.3);
    padding: 12px 28px;
    border-radius: var(--radius-pill);
    margin-bottom: 36px;
}

.iso-badge img {
    width: 36px;
    height: 36px;
}

.iso-badge span {
    font-size: 1.2rem;
    font-weight: 800;
    color: var(--gold-light);
    letter-spacing: -0.01em;
}

.alliance-wrapper h3 {
    font-family: 'Syne', sans-serif;
    font-size: 2.6rem;
    font-weight: 800;
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.alliance-wrapper p {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.65);
    margin-bottom: 56px;
    max-width: 550px;
    margin-left: auto;
    margin-right: auto;
}

.certification-stats {
    display: flex;
    justify-content: center;
    gap: 0;
}

.cert-stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 0 48px;
    border-right: 1px solid rgba(255, 255, 255, 0.1);
}

.cert-stat:last-child {
    border-right: none;
}

.cert-number {
    font-family: 'Syne', sans-serif;
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--gold-light);
    line-height: 1;
    letter-spacing: -0.03em;
}

.cert-label {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.55);
    margin-top: 6px;
}

/* ===== CONTACT SECTION ===== */
.contact {
    padding: var(--section-pad) 0;
    background: var(--white);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.6fr;
    gap: 48px;
    background: var(--off-white);
    border-radius: var(--radius-xl);
    padding: 56px;
    border: 1px solid var(--gray-200);
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact-card {
    display: flex;
    gap: 18px;
    align-items: flex-start;
    background: var(--white);
    padding: 24px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
    border: 1px solid var(--gray-200);
    transition: var(--transition);
}

.contact-card:hover {
    transform: translateX(6px);
    box-shadow: var(--shadow-hover);
    border-color: transparent;
}

.contact-card img {
    width: 44px;
    height: 44px;
    flex-shrink: 0;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.1), rgba(0, 102, 170, 0.12));
    border-radius: var(--radius-sm);
    padding: 10px;
    object-fit: contain;
    filter: invert(35%) sepia(90%) saturate(500%) hue-rotate(180deg) brightness(1.1);
}

.contact-card h4 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 4px;
    color: var(--primary);
}

.contact-card p {
    color: var(--gray-400);
    font-size: 0.92rem;
    line-height: 1.5;
}

.contact-social {
    background: var(--white);
    padding: 24px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
    border: 1px solid var(--gray-200);
}

.contact-social h4 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--primary);
}

.social-grid {
    display: flex;
    gap: 12px;
}

.social-icon {
    width: 48px;
    height: 48px;
    background: var(--off-white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    text-decoration: none;
}

.social-icon:hover {
    background: var(--primary);
    border-color: var(--primary);
    transform: translateY(-4px);
    box-shadow: var(--shadow-soft);
}

.social-icon img {
    width: 22px;
    height: 22px;
    transition: var(--transition-fast);
}

.social-icon:hover img {
    filter: brightness(0) invert(1);
}

/* Form */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.form-group {
    position: relative;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 16px 20px;
    background: var(--white);
    border: 1.5px solid var(--gray-200);
    border-radius: var(--radius-md);
    font-size: 0.97rem;
    font-family: inherit;
    color: var(--primary);
    transition: var(--transition-fast);
    -webkit-appearance: none;
}

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

.form-group label {
    position: absolute;
    left: 20px;
    top: 16px;
    color: var(--gray-400);
    font-size: 0.94rem;
    transition: var(--transition-fast);
    pointer-events: none;
    background: var(--white);
    padding: 0 6px;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--accent-2);
    outline: none;
    box-shadow: 0 0 0 3px rgba(0, 153, 204, 0.08);
}

.form-group input:focus~label,
.form-group textarea:focus~label,
.form-group input:not(:placeholder-shown)~label,
.form-group textarea:not(:placeholder-shown)~label {
    top: -10px;
    left: 14px;
    font-size: 0.78rem;
    color: var(--accent-2);
    font-weight: 600;
}

.btn-block {
    width: 100%;
    padding: 16px;
    font-size: 1rem;
    border-radius: var(--radius-md);
    position: relative;
    overflow: hidden;
}

.btn-sent {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.btn.sent .btn-sent {
    opacity: 1;
}

/* ===== FOOTER ===== */
.footer {
    background: var(--black);
    color: rgba(255, 255, 255, 0.7);
    padding: 80px 0 0;
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(0, 212, 255, 0.4), transparent);
}

.footer-main {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 2fr;
    gap: 60px;
    padding-bottom: 60px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.footer-brand p {
    opacity: 0.55;
    margin-top: 20px;
    font-size: 0.92rem;
    line-height: 1.7;
}

.footer-logo {
    height: 46px;
    border-radius: 40%;
    object-fit: cover;
}

.footer-links h4 {
    font-size: 0.96rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 24px;
    letter-spacing: 0.01em;
    position: relative;
}

.footer-links h4::after {
    content: '';
    display: block;
    width: 24px;
    height: 2px;
    background: var(--gradient-accent);
    margin-top: 10px;
    border-radius: 2px;
}

.footer-links ul {
    list-style: none;
}

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.5);
    text-decoration: none;
    font-size: 0.92rem;
    transition: var(--transition-fast);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

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

.footer-links a::before {
    content: '';
    width: 0;
    height: 1px;
    background: var(--accent);
    transition: width 0.2s ease;
}

.footer-links a:hover::before {
    width: 12px;
}

.footer-newsletter h4 {
    font-size: 0.96rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 8px;
}

.footer-newsletter>p {
    font-size: 0.88rem;
    opacity: 0.5;
    line-height: 1.6;
    margin-bottom: 18px;
}

.newsletter-form {
    display: flex;
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.newsletter-form input {
    flex: 1;
    padding: 12px 16px;
    background: rgba(255, 255, 255, 0.05);
    border: none;
    color: var(--white);
    font-family: inherit;
    font-size: 0.9rem;
    outline: none;
}

.newsletter-form input::placeholder {
    color: rgba(255, 255, 255, 0.3);
}

.newsletter-form button {
    padding: 12px 20px;
    background: var(--gradient-accent);
    border: none;
    color: var(--white);
    font-size: 1.1rem;
    cursor: pointer;
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
}

.newsletter-form button:hover {
    background: linear-gradient(135deg, #00bbee, #0055aa);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px 0;
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.3);
}

.footer-bottom p {
    margin: 0;
}

/* ===== BACK TO TOP ===== */
.back-to-top {
    position: fixed;
    bottom: 28px;
    right: 28px;
    width: 48px;
    height: 48px;
    background: var(--gradient-accent);
    border: none;
    border-radius: var(--radius-md);
    color: var(--white);
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 99;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-blue);
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 36px rgba(0, 180, 220, 0.5);
}

.back-to-top img {
    width: 18px;
    height: 18px;
    filter: brightness(0) invert(1);
    transform: rotate(-90deg);
}

/* ===== SCROLL REVEAL ANIMATIONS ===== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(32px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-32px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(32px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.animate-left {
    animation: fadeInLeft 0.9s cubic-bezier(0.25, 0.8, 0.25, 1) both;
}

.animate-right {
    animation: fadeInRight 0.9s cubic-bezier(0.25, 0.8, 0.25, 1) 0.25s both;
}

/* ===== SCROLLBAR CUSTOM ===== */
::-webkit-scrollbar {
    width: 5px;
}

::-webkit-scrollbar-track {
    background: var(--gray-100);
}

::-webkit-scrollbar-thumb {
    background: var(--gray-200);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent-2);
}

/* ===== SELECTION ===== */
::selection {
    background: rgba(0, 212, 255, 0.2);
    color: var(--primary);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1200px) {
    .hero-title {
        font-size: 3.4rem;
    }

    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-main {
        grid-template-columns: repeat(2, 1fr);
        gap: 40px;
    }
}

@media (max-width: 992px) {
    :root {
        --section-pad: 90px;
    }

    .hero-grid {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 48px;
        padding: 140px 0 60px;
    }

    .hero-badge {
        justify-content: center;
    }

    .hero-description {
        margin-left: auto;
        margin-right: auto;
    }

    .hero-stats {
        justify-content: center;
    }

    .hero-buttons {
        justify-content: center;
    }

    .hero-visual {
        max-width: 480px;
        margin: 0 auto;
    }

    .about-grid {
        grid-template-columns: 1fr;
        max-width: 540px;
        margin-left: auto;
        margin-right: auto;
    }

    .about-features {
        grid-template-columns: 1fr;
        border-radius: var(--radius-xl);
    }

    .feature-item::after {
        display: none;
    }

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

    .nav {
        position: fixed;
        top: 0;
        left: -100%;
        width: 75%;
        max-width: 320px;
        height: 100vh;
        background: var(--white);
        padding: 100px 36px 40px;
        transition: left 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        box-shadow: 20px 0 60px rgba(0, 0, 0, 0.2);
        z-index: 999;
    }

    .nav.active {
        left: 0;
    }

    .nav-list {
        flex-direction: column;
        gap: 4px;
    }

    .nav-link {
        color: var(--gray-600) !important;
        background: none !important;
        padding: 12px 16px;
    }

    .nav-link.active {
        color: var(--primary) !important;
        background: var(--gray-100) !important;
    }

    .nav-link::after {
        display: none;
    }

    .menu-toggle {
        display: flex;
    }

    .certification-stats {
        flex-direction: row;
        gap: 0;
    }

    .cert-stat {
        padding: 0 28px;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 24px;
    }

    .hero-title {
        font-size: 2.6rem;
    }

    .section-title {
        font-size: 2.2rem;
    }

    .hero-stats {
        flex-direction: row;
        gap: 0;
    }

    .stat-item {
        padding-right: 20px;
        margin-right: 20px;
    }

    .services-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin: 0 auto;
    }

    .supplies-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .certification-stats {
        flex-direction: column;
        gap: 28px;
    }

    .cert-stat {
        border-right: none;
        padding: 0;
    }

    .footer-main {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 8px;
        text-align: center;
    }

    .contact-grid {
        padding: 32px 24px;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .about-features {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

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

    .hero-stats {
        flex-direction: column;
        gap: 16px;
    }

    .stat-item {
        border-right: none;
        padding-right: 0;
        margin-right: 0;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        padding-bottom: 16px;
    }

    .stat-item:last-child {
        border-bottom: none;
    }
}