/* =====================================================
   C-LEVEL LANDING PAGE - STYLES
   Version: 2.0
   ===================================================== */

/* Google Fonts - loaded via HTML preconnect */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Space+Grotesk:wght@400;500;600;700&display=swap');

/* =====================================================
   CSS VARIABLES
   ===================================================== */
:root {
    /* Primary Colors */
    --primary-dark: #0A1628;
    --primary-blue: #1E3A8A;
    --primary-cyan: #00D4B5;
    --accent-cyan: #22D3EE;

    /* Surface Colors */
    --dark-surface: #0F172A;
    --glass-bg: rgba(15, 23, 42, 0.8);
    --glass-border: rgba(148, 163, 184, 0.1);
    --card-bg: rgba(30, 41, 59, 0.4);
    --card-bg-hover: rgba(30, 41, 59, 0.6);

    /* Text Colors */
    --text-primary: #F1F5F9;
    --text-secondary: #94A3B8;
    --text-muted: #64748B;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #00D4B5 0%, #22D3EE 100%);
    --gradient-dark: linear-gradient(135deg, #0A1628 0%, #1E3A8A 100%);
    --gradient-subtle: linear-gradient(135deg, rgba(0, 212, 181, 0.1) 0%, rgba(34, 211, 238, 0.05) 100%);

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.15);
    --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.25);
    --shadow-glow: 0 0 30px rgba(0, 212, 181, 0.1);
    --shadow-glow-hover: 0 0 40px rgba(0, 212, 181, 0.15);

    /* Spacing */
    --section-padding: 6rem;
    --container-max: 1400px;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-smooth: 0.4s cubic-bezier(0.4, 0, 0.2, 1);

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 24px;
    --radius-full: 50px;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 100px;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--primary-dark);
    color: var(--text-primary);
    overflow-x: hidden;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--primary-dark);
}

::-webkit-scrollbar-thumb {
    background: var(--gradient-primary);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    opacity: 0.8;
}

/* =====================================================
   ACCESSIBILITY
   ===================================================== */
.skip-link {
    position: absolute;
    top: -50px;
    left: 0;
    background: var(--primary-cyan);
    color: var(--primary-dark);
    padding: 0.75rem 1.5rem;
    text-decoration: none;
    font-weight: 600;
    z-index: 100000;
    transition: top var(--transition-base);
    border-radius: 0 0 var(--radius-sm) var(--radius-sm);
}

.skip-link:focus {
    top: 0;
}

/* Focus States */
*:focus-visible {
    outline: 2px solid var(--primary-cyan);
    outline-offset: 2px;
}

button:focus-visible,
a:focus-visible {
    outline: 2px solid var(--primary-cyan);
    outline-offset: 3px;
}

/* Screen Reader Only */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* =====================================================
   NAVIGATION
   ===================================================== */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(10, 22, 40, 0.9);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    z-index: 10000;
    transition: all var(--transition-smooth);
}

.navbar.scrolled {
    background: rgba(10, 22, 40, 0.98);
    box-shadow: var(--shadow-md);
}

.nav-container {
    max-width: var(--container-max);
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 2rem;
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.logo-img {
    height: 50px;
    width: auto;
    transition: transform var(--transition-base);
}

.logo:hover .logo-img {
    transform: scale(1.02);
}

/* Nav Menu */
.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-menu li a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    position: relative;
    transition: all var(--transition-base);
    padding: 0.6rem 1rem;
    border-radius: var(--radius-sm);
}

.nav-menu li a:hover {
    color: var(--primary-cyan);
    background: rgba(0, 212, 181, 0.1);
}

.nav-menu li a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--primary-cyan);
    transition: all var(--transition-base);
    transform: translateX(-50%);
    display: none;
}

.nav-menu li a:hover::after {
    width: 100%;
}

/* Dropdown */
.dropdown {
    position: relative;
}

.dropdown-toggle {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    cursor: pointer;
}

.dropdown-arrow {
    font-size: 0.6rem;
    transition: transform var(--transition-base);
}

.dropdown:hover .dropdown-arrow {
    transform: rotate(180deg);
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: rgba(10, 22, 40, 0.98);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    min-width: 200px;
    padding: 0.5rem 0;
    margin-top: 0.75rem;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-smooth);
    box-shadow: var(--shadow-lg);
    list-style: none;
    z-index: 1000;
}

.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu li a {
    display: block;
    padding: 0.75rem 1.25rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.dropdown-menu li a::after {
    display: none;
}

.dropdown-menu li a:hover {
    color: var(--primary-cyan);
    background: rgba(0, 212, 181, 0.08);
    padding-left: 1.5rem;
}

/* CTA Button in Nav */
.cta-nav {
    background: var(--gradient-primary);
    color: var(--primary-dark) !important;
    padding: 0.75rem 1.75rem;
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 0.9rem;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: all var(--transition-smooth);
    box-shadow: 0 4px 15px rgba(0, 212, 181, 0.2);
    border: none;
}

.cta-nav:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 212, 181, 0.3);
}

.cta-nav::after {
    display: none !important;
}

/* Mobile Toggle */
.mobile-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.5rem;
    transition: color var(--transition-base);
}

.mobile-toggle:hover {
    color: var(--primary-cyan);
}

/* =====================================================
   HERO SECTION
   ===================================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    background: var(--gradient-dark);
    padding-top: 80px;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        radial-gradient(circle at 20% 20%, rgba(0, 212, 181, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(34, 211, 238, 0.06) 0%, transparent 50%),
        radial-gradient(circle at 40% 60%, rgba(30, 58, 138, 0.08) 0%, transparent 50%);
    animation: bgFloat 25s ease-in-out infinite;
}

@keyframes bgFloat {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(10px, -10px); }
}

.hero-particles {
    position: absolute;
    width: 100%;
    height: 100%;
    overflow: hidden;
    pointer-events: none;
}

.particle {
    position: absolute;
    width: 2px;
    height: 2px;
    background: var(--primary-cyan);
    border-radius: 50%;
    opacity: 0.4;
    animation: particleFloat 20s linear infinite;
}

@keyframes particleFloat {
    0% { transform: translateY(100vh) translateX(0px); opacity: 0; }
    10% { opacity: 0.4; }
    90% { opacity: 0.4; }
    100% { transform: translateY(-100px) translateX(50px); opacity: 0; }
}

.hero-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 2rem;
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 4rem;
    align-items: center;
    z-index: 2;
    position: relative;
}

.hero-content {
    animation: slideInLeft 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes slideInLeft {
    from { opacity: 0; transform: translateX(-40px); }
    to { opacity: 1; transform: translateX(0); }
}

/* Hero Badge */
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    padding: 0.5rem 1.25rem;
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 1.5rem;
    backdrop-filter: blur(10px);
    color: var(--text-secondary);
}

.hero-badge .icon {
    width: 18px;
    height: 18px;
    color: var(--primary-cyan);
}

.hero-title {
    font-family: 'Space Grotesk', sans-serif;
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, #F1F5F9 0%, #00D4B5 50%, #22D3EE 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 2.5rem;
    max-width: 550px;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

/* Buttons */
.btn-primary {
    background: var(--gradient-primary);
    color: var(--primary-dark);
    padding: 1rem 2rem;
    border: none;
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: all var(--transition-smooth);
    box-shadow: 0 8px 20px rgba(0, 212, 181, 0.25);
    cursor: pointer;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 30px rgba(0, 212, 181, 0.35);
}

.btn-primary .icon {
    width: 18px;
    height: 18px;
    transition: transform var(--transition-base);
}

.btn-primary:hover .icon {
    transform: translateX(3px);
}

.btn-secondary {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    color: var(--text-primary);
    padding: 1rem 2rem;
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    transition: all var(--transition-smooth);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(0, 212, 181, 0.1);
    border-color: rgba(0, 212, 181, 0.3);
    color: var(--primary-cyan);
    transform: translateY(-2px);
}

/* Hero Visual */
.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
    animation: slideInRight 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes slideInRight {
    from { opacity: 0; transform: translateX(40px); }
    to { opacity: 1; transform: translateX(0); }
}

.tech-orb {
    width: 380px;
    height: 380px;
    position: relative;
    border-radius: 50%;
    background: conic-gradient(from 0deg at 50% 50%,
        rgba(0, 212, 181, 0.08),
        rgba(34, 211, 238, 0.06),
        rgba(30, 58, 138, 0.08),
        rgba(0, 212, 181, 0.08));
    animation: orbRotate 30s linear infinite;
    display: flex;
    align-items: center;
    justify-content: center;
}

@keyframes orbRotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.tech-core {
    width: 180px;
    height: 180px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 50%;
    backdrop-filter: blur(20px);
    display: flex;
    align-items: center;
    justify-content: center;
    animation: coreFloat 8s ease-in-out infinite;
}

@keyframes coreFloat {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-8px); }
}

.tech-rings {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.ring {
    position: absolute;
    border: 1px solid rgba(0, 212, 181, 0.15);
    border-radius: 50%;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.ring:nth-child(1) { width: 280px; height: 280px; animation: ringRotate 15s linear infinite; }
.ring:nth-child(2) { width: 330px; height: 330px; animation: ringRotate 20s linear infinite reverse; }
.ring:nth-child(3) { width: 230px; height: 230px; animation: ringRotate 12s linear infinite; }

@keyframes ringRotate {
    from { transform: translate(-50%, -50%) rotate(0deg); }
    to { transform: translate(-50%, -50%) rotate(360deg); }
}

.tech-nodes {
    position: absolute;
    width: 100%;
    height: 100%;
}

.node {
    position: absolute;
    width: 6px;
    height: 6px;
    background: var(--primary-cyan);
    border-radius: 50%;
    box-shadow: 0 0 15px var(--primary-cyan);
    animation: nodeGlow 4s ease-in-out infinite;
}

@keyframes nodeGlow {
    0%, 100% { opacity: 0.4; transform: scale(1); }
    50% { opacity: 0.8; transform: scale(1.2); }
}

.node:nth-child(1) { top: 10%; left: 50%; animation-delay: 0s; }
.node:nth-child(2) { top: 30%; right: 10%; animation-delay: 0.7s; }
.node:nth-child(3) { bottom: 30%; right: 10%; animation-delay: 1.4s; }
.node:nth-child(4) { bottom: 10%; left: 50%; animation-delay: 2.1s; }
.node:nth-child(5) { bottom: 30%; left: 10%; animation-delay: 2.8s; }
.node:nth-child(6) { top: 30%; left: 10%; animation-delay: 3.5s; }

/* =====================================================
   SECTIONS BASE
   ===================================================== */
.section {
    padding: var(--section-padding) 0;
    position: relative;
}

.section-alt {
    background: var(--dark-surface);
}

.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 2rem;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-badge {
    display: inline-block;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    padding: 0.5rem 1.25rem;
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 1.25rem;
    backdrop-filter: blur(10px);
    color: var(--primary-cyan);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.section-title {
    font-family: 'Space Grotesk', sans-serif;
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1.25rem;
    background: linear-gradient(135deg, #F1F5F9 0%, #00D4B5 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    line-height: 1.7;
    max-width: 650px;
    margin: 0 auto;
}

/* =====================================================
   FEATURE CARDS (Why Section)
   ===================================================== */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 1.5rem;
}

.feature-card {
    background: var(--card-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: 2rem;
    backdrop-filter: blur(20px);
    transition: all var(--transition-smooth);
    position: relative;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    transform: scaleX(0);
    transition: transform var(--transition-smooth);
}

.feature-card:hover {
    transform: translateY(-6px);
    background: var(--card-bg-hover);
    border-color: rgba(0, 212, 181, 0.2);
    box-shadow: var(--shadow-md);
}

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-icon {
    width: 56px;
    height: 56px;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.25rem;
}

.feature-icon .icon {
    width: 28px;
    height: 28px;
    color: var(--primary-dark);
}

.feature-title {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.35rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.feature-title a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition-base);
}

.feature-title a:hover {
    color: var(--primary-cyan);
}

.feature-description {
    color: var(--text-secondary);
    line-height: 1.65;
    font-size: 0.95rem;
}

.feature-link {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    color: var(--primary-cyan);
    font-size: 0.9rem;
    font-weight: 500;
    text-decoration: none;
    margin-top: 1rem;
    transition: gap var(--transition-base);
}

.feature-link:hover {
    gap: 0.6rem;
}

.feature-link .icon {
    width: 16px;
    height: 16px;
}

/* =====================================================
   PRODUCTS CAROUSEL
   ===================================================== */
.products-carousel-wrapper {
    position: relative;
    max-width: 100%;
    overflow: hidden;
    padding: 0 3rem;
}

.products-carousel {
    display: flex;
    gap: 1.5rem;
    overflow-x: auto;
    scroll-behavior: smooth;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    -ms-overflow-style: none;
    padding: 1rem 0.5rem;
}

.products-carousel::-webkit-scrollbar {
    display: none;
}

.products-carousel .feature-card {
    flex: 0 0 340px;
    scroll-snap-align: start;
    min-height: 320px;
}

.carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 48px;
    height: 48px;
    background: var(--gradient-primary);
    border: none;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 10;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-md);
}

.carousel-btn:hover {
    transform: translateY(-50%) scale(1.1);
    box-shadow: var(--shadow-lg);
}

.carousel-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.carousel-btn:disabled:hover {
    transform: translateY(-50%);
}

.carousel-btn .icon {
    width: 24px;
    height: 24px;
    color: var(--primary-dark);
}

.carousel-btn-prev {
    left: 0;
}

.carousel-btn-next {
    right: 0;
}

.carousel-dots {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 1.5rem;
}

.carousel-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--glass-border);
    border: none;
    cursor: pointer;
    transition: all var(--transition-base);
    padding: 0;
}

.carousel-dot.active,
.carousel-dot:hover {
    background: var(--primary-cyan);
    transform: scale(1.2);
}

@media (max-width: 768px) {
    .products-carousel-wrapper {
        padding: 0 1rem;
    }

    .products-carousel .feature-card {
        flex: 0 0 300px;
    }

    .carousel-btn {
        width: 40px;
        height: 40px;
    }

    .carousel-btn .icon {
        width: 20px;
        height: 20px;
    }
}

@media (max-width: 480px) {
    .products-carousel-wrapper,
    .sectors-carousel-wrapper {
        padding: 0;
    }

    .products-carousel,
    .sectors-carousel {
        padding: 1rem;
    }

    .products-carousel .feature-card,
    .sectors-carousel .sector-card {
        flex: 0 0 calc(100vw - 3rem);
    }

    .carousel-btn {
        display: none;
    }
}

/* Sectors Carousel */
.sectors-carousel-wrapper {
    position: relative;
    max-width: 100%;
    overflow: hidden;
    padding: 0 3rem;
}

.sectors-carousel {
    display: flex;
    gap: 1.5rem;
    overflow-x: auto;
    scroll-behavior: smooth;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    -ms-overflow-style: none;
    padding: 1rem 0.5rem;
}

.sectors-carousel::-webkit-scrollbar {
    display: none;
}

.sectors-carousel .sector-card {
    flex: 0 0 340px;
    scroll-snap-align: start;
    min-height: 280px;
}

@media (max-width: 768px) {
    .sectors-carousel-wrapper {
        padding: 0 1rem;
    }

    .sectors-carousel .sector-card {
        flex: 0 0 300px;
    }
}

/* =====================================================
   SECTOR CARDS
   ===================================================== */
.sectors-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 1.5rem;
}

.sector-card {
    background: var(--card-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: 2rem;
    backdrop-filter: blur(20px);
    transition: all var(--transition-smooth);
}

.sector-card:hover {
    transform: translateY(-6px);
    background: var(--card-bg-hover);
    border-color: rgba(0, 212, 181, 0.2);
    box-shadow: var(--shadow-md);
}

.sector-icon {
    width: 64px;
    height: 64px;
    background: var(--gradient-subtle);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.25rem;
}

.sector-icon .icon {
    width: 32px;
    height: 32px;
    color: var(--primary-cyan);
}

.sector-title {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
}

.sector-description {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 1.25rem;
    font-size: 0.95rem;
}

.sector-features {
    list-style: none;
}

.sector-features li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.4rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.sector-features li .icon {
    width: 14px;
    height: 14px;
    color: var(--primary-cyan);
    flex-shrink: 0;
}

/* =====================================================
   ABOUT SECTION
   ===================================================== */
.about-content {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-text .section-title {
    text-align: left;
    margin-bottom: 1.5rem;
}

.about-text p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.about-text p:first-of-type {
    font-size: 1.15rem;
}

.about-stats {
    display: flex;
    gap: 2.5rem;
    margin-bottom: 2rem;
}

.about-stat {
    text-align: center;
}

.about-stat .stat-number {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-cyan);
    display: block;
}

.about-stat .stat-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-top: 0.25rem;
}

.about-graphic {
    width: 320px;
    height: 320px;
    position: relative;
    margin: 0 auto;
    background: var(--card-bg);
    border-radius: 50%;
    border: 1px solid var(--glass-border);
}

.about-circle {
    width: 100%;
    height: 100%;
    border: 1px solid rgba(0, 212, 181, 0.15);
    border-radius: 50%;
    animation: aboutFloat 12s ease-in-out infinite;
}

@keyframes aboutFloat {
    0%, 100% { transform: rotate(0deg); }
    50% { transform: rotate(180deg); }
}

.about-nodes {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.about-node {
    position: absolute;
    width: 48px;
    height: 48px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: nodeFloat 5s ease-in-out infinite;
    box-shadow: var(--shadow-glow);
}

.about-node .icon {
    width: 24px;
    height: 24px;
    color: var(--primary-dark);
}

@keyframes nodeFloat {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-8px); }
}

/* =====================================================
   SOLUTIONS GRID
   ===================================================== */
.solutions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
    gap: 1.5rem;
}

.solution-card {
    background: var(--card-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    padding: 2.5rem;
    backdrop-filter: blur(20px);
    transition: all var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.solution-card::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 120px;
    height: 120px;
    background: radial-gradient(circle, rgba(0, 212, 181, 0.06) 0%, transparent 70%);
    border-radius: 50%;
    transform: translate(40%, -40%);
    transition: all var(--transition-smooth);
}

.solution-card:hover {
    transform: translateY(-6px);
    background: var(--card-bg-hover);
    border-color: rgba(0, 212, 181, 0.2);
    box-shadow: var(--shadow-md);
}

.solution-card:hover::after {
    transform: translate(30%, -30%) scale(1.3);
}

.solution-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.25rem;
}

.solution-icon {
    width: 52px;
    height: 52px;
    background: var(--gradient-subtle);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.solution-icon .icon {
    width: 26px;
    height: 26px;
    color: var(--primary-cyan);
}

.solution-title {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-primary);
}

.solution-description {
    color: var(--text-secondary);
    line-height: 1.65;
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
}

.solution-features {
    list-style: none;
}

.solution-features li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.solution-features li .icon {
    width: 16px;
    height: 16px;
    color: var(--primary-cyan);
    flex-shrink: 0;
}

/* =====================================================
   CTA SECTION
   ===================================================== */
.cta-section {
    background: var(--gradient-dark);
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        radial-gradient(circle at 30% 30%, rgba(0, 212, 181, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 70% 70%, rgba(34, 211, 238, 0.06) 0%, transparent 50%);
}

.cta-content {
    text-align: center;
    position: relative;
    z-index: 2;
}

.cta-title {
    font-family: 'Space Grotesk', sans-serif;
    font-size: clamp(2.25rem, 5vw, 3.5rem);
    font-weight: 700;
    margin-bottom: 1.25rem;
    background: linear-gradient(135deg, #F1F5F9 0%, #00D4B5 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.cta-subtitle {
    font-size: 1.15rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    max-width: 550px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.7;
}

/* =====================================================
   CONTACT FORM SECTION
   ===================================================== */
.form-section {
    background: var(--dark-surface);
    position: relative;
    overflow: hidden;
}

.form-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        radial-gradient(circle at 20% 50%, rgba(0, 212, 181, 0.06) 0%, transparent 50%),
        radial-gradient(circle at 80% 50%, rgba(34, 211, 238, 0.04) 0%, transparent 50%);
}

.form-container {
    position: relative;
    z-index: 2;
    max-width: 700px;
    margin: 0 auto;
}

.contact-form {
    background: var(--card-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    padding: 2.5rem;
    backdrop-filter: blur(20px);
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    color: var(--text-primary);
    font-weight: 500;
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
}

.form-group label .required {
    color: var(--primary-cyan);
    margin-left: 0.25rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: 'Inter', sans-serif;
    font-size: 0.95rem;
    transition: all var(--transition-base);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-cyan);
    background: rgba(15, 23, 42, 0.8);
    box-shadow: 0 0 0 3px rgba(0, 212, 181, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-muted);
}

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

.checkbox-group {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}

.checkbox-group input[type="checkbox"] {
    width: 20px;
    height: 20px;
    margin-top: 0.15rem;
    cursor: pointer;
    accent-color: var(--primary-cyan);
    flex-shrink: 0;
}

.checkbox-group label {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.5;
    margin-bottom: 0;
}

.checkbox-group label a {
    color: var(--primary-cyan);
    text-decoration: underline;
}

.form-note {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.form-note a {
    color: var(--primary-cyan);
}

.form-submit {
    width: 100%;
    background: var(--gradient-primary);
    color: var(--primary-dark);
    padding: 1rem 2rem;
    border: none;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all var(--transition-smooth);
    box-shadow: 0 8px 20px rgba(0, 212, 181, 0.25);
}

.form-submit:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 12px 28px rgba(0, 212, 181, 0.35);
}

.form-submit:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.form-messages {
    margin-top: 1.25rem;
    padding: 1rem;
    border-radius: var(--radius-md);
    font-size: 0.95rem;
    display: none;
}

.form-messages.success {
    display: block;
    background: rgba(0, 212, 181, 0.1);
    border: 1px solid rgba(0, 212, 181, 0.25);
    color: var(--primary-cyan);
}

.form-messages.error {
    display: block;
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.25);
    color: #ef4444;
}

/* =====================================================
   FOOTER
   ===================================================== */
.footer {
    background: var(--primary-dark);
    border-top: 1px solid var(--glass-border);
    padding: 4rem 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 2.5rem;
    margin-bottom: 2.5rem;
}

.footer-section h3 {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 600;
    margin-bottom: 1.25rem;
    color: var(--primary-cyan);
    font-size: 1.1rem;
}

.footer-section p,
.footer-section a {
    color: var(--text-secondary);
    text-decoration: none;
    margin-bottom: 0.6rem;
    display: block;
    transition: color var(--transition-base);
    font-size: 0.95rem;
    line-height: 1.6;
}

.footer-section a:hover {
    color: var(--primary-cyan);
}

.footer-logo {
    height: 45px;
    width: auto;
    margin-bottom: 1rem;
}

.footer-social {
    display: flex;
    gap: 0.75rem;
    margin-top: 1rem;
}

.footer-social a {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    display: inline-block;
    margin-bottom: 0;
}

.footer-social a:hover {
    background: var(--primary-cyan);
    color: var(--primary-dark);
    border-color: var(--primary-cyan);
}

.footer-cta {
    display: inline-block;
    background: var(--gradient-primary);
    color: var(--primary-dark) !important;
    padding: 0.6rem 1.25rem;
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 0.9rem;
    margin-top: 0.75rem;
    transition: all var(--transition-base);
}

.footer-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 212, 181, 0.3);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--glass-border);
    color: var(--text-muted);
    font-size: 0.9rem;
}

.footer-bottom a {
    color: var(--primary-cyan);
    text-decoration: none;
    margin: 0 0.5rem;
}

.footer-bottom a:hover {
    text-decoration: underline;
}

/* =====================================================
   WHATSAPP FLOATING BUTTON
   ===================================================== */
.whatsapp-float {
    position: fixed;
    bottom: 28px;
    right: 28px;
    z-index: 9998;
}

.whatsapp-button {
    width: 58px;
    height: 58px;
    background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 16px rgba(37, 211, 102, 0.35);
    cursor: pointer;
    transition: all var(--transition-smooth);
    text-decoration: none;
    position: relative;
}

.whatsapp-button::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: rgba(37, 211, 102, 0.25);
    animation: whatsappRipple 2.5s ease-out infinite;
}

@keyframes whatsappRipple {
    0% { transform: scale(1); opacity: 0.5; }
    100% { transform: scale(1.4); opacity: 0; }
}

.whatsapp-button .icon {
    width: 28px;
    height: 28px;
    color: white;
    position: relative;
    z-index: 1;
}

.whatsapp-button:hover {
    transform: translateY(-4px) scale(1.05);
    box-shadow: 0 8px 24px rgba(37, 211, 102, 0.45);
}

.whatsapp-tooltip {
    position: absolute;
    right: 70px;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(10, 22, 40, 0.95);
    color: var(--text-primary);
    padding: 0.6rem 1rem;
    border-radius: var(--radius-sm);
    white-space: nowrap;
    font-size: 0.85rem;
    font-weight: 500;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    box-shadow: var(--shadow-md);
}

.whatsapp-tooltip::after {
    content: '';
    position: absolute;
    right: -6px;
    top: 50%;
    transform: translateY(-50%);
    border-left: 6px solid rgba(10, 22, 40, 0.95);
    border-top: 6px solid transparent;
    border-bottom: 6px solid transparent;
}

.whatsapp-float:hover .whatsapp-tooltip {
    opacity: 1;
    visibility: visible;
    right: 75px;
}

/* =====================================================
   ANIMATIONS
   ===================================================== */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* =====================================================
   RESPONSIVE - TABLET (768px - 1024px)
   ===================================================== */
@media (max-width: 1024px) and (min-width: 769px) {
    :root {
        --section-padding: 5rem;
    }

    .nav-container {
        padding: 0.75rem 1.5rem;
    }

    .nav-menu {
        gap: 1.5rem;
    }

    .hero-container {
        gap: 3rem;
        padding: 1.5rem;
    }

    .tech-orb {
        width: 320px;
        height: 320px;
    }

    .features-grid,
    .solutions-grid,
    .sectors-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    }

    .about-content {
        gap: 3rem;
    }

    .about-graphic {
        width: 280px;
        height: 280px;
    }
}

/* =====================================================
   RESPONSIVE - MOBILE (max-width: 768px)
   ===================================================== */
@media (max-width: 768px) {
    :root {
        --section-padding: 4rem;
    }

    .mobile-toggle {
        display: block;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        left: -100%;
        width: 100%;
        height: 100vh;
        background: rgba(10, 22, 40, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 1.5rem;
        transition: left var(--transition-smooth);
        z-index: 9999;
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-menu li a {
        font-size: 1.25rem;
        padding: 0.75rem;
    }

    .dropdown {
        width: 100%;
        text-align: center;
    }

    .dropdown-toggle {
        justify-content: center;
    }

    .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        background: rgba(0, 212, 181, 0.05);
        border: none;
        margin-top: 0.75rem;
        padding: 0.75rem 0;
        max-height: 0;
        overflow: hidden;
        transition: max-height var(--transition-smooth);
    }

    .dropdown:hover .dropdown-menu,
    .dropdown.active .dropdown-menu {
        max-height: 300px;
    }

    .dropdown-menu li a {
        font-size: 1rem;
    }

    .hero-container {
        grid-template-columns: 1fr;
        gap: 2.5rem;
        text-align: center;
        padding: 1rem;
    }

    .hero-visual {
        order: -1;
    }

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

    .tech-orb {
        width: 280px;
        height: 280px;
    }

    .tech-core {
        width: 140px;
        height: 140px;
    }

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

    .btn-primary,
    .btn-secondary {
        width: 100%;
        max-width: 280px;
        justify-content: center;
    }

    .features-grid,
    .solutions-grid,
    .sectors-grid {
        grid-template-columns: 1fr;
    }

    .about-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }

    .about-visual {
        order: -1;
    }

    .about-text .section-title {
        text-align: center;
    }

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

    .about-graphic {
        width: 260px;
        height: 260px;
    }

    .contact-form {
        padding: 1.75rem;
    }

    .whatsapp-float {
        bottom: 20px;
        right: 20px;
    }

    .whatsapp-button {
        width: 54px;
        height: 54px;
    }

    .whatsapp-tooltip {
        display: none;
    }
}

/* =====================================================
   RESPONSIVE - SMALL MOBILE (max-width: 480px)
   ===================================================== */
@media (max-width: 480px) {
    :root {
        --section-padding: 3rem;
    }

    .nav-container {
        padding: 0.6rem 1rem;
    }

    .logo-img {
        height: 40px;
    }

    .hero-container {
        padding: 0.75rem;
    }

    .hero-badge {
        font-size: 0.75rem;
        padding: 0.4rem 1rem;
    }

    .hero-title {
        font-size: clamp(1.75rem, 7vw, 2.25rem);
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .tech-orb {
        width: 240px;
        height: 240px;
    }

    .section-title {
        font-size: clamp(1.6rem, 6vw, 2.25rem);
    }

    .container {
        padding: 0 1rem;
    }

    .feature-card,
    .solution-card,
    .sector-card {
        padding: 1.5rem;
    }

    .about-stats {
        flex-direction: column;
        gap: 1rem;
    }

    .contact-form {
        padding: 1.5rem;
    }

    .form-group input,
    .form-group textarea {
        font-size: 16px; /* Prevents iOS zoom */
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .whatsapp-float {
        bottom: 16px;
        right: 16px;
    }

    .whatsapp-button {
        width: 50px;
        height: 50px;
    }
}

/* =====================================================
   LANDSCAPE MODE
   ===================================================== */
@media (max-width: 1024px) and (orientation: landscape) {
    .hero {
        min-height: auto;
        padding: 5rem 0 3rem;
    }

    .hero-container {
        grid-template-columns: 1fr 0.8fr;
        gap: 2rem;
    }

    .tech-orb {
        width: 260px;
        height: 260px;
    }

    .nav-menu {
        padding: 2rem 0;
        overflow-y: auto;
    }
}

/* =====================================================
   REDUCED MOTION
   ===================================================== */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* =====================================================
   TOUCH DEVICES
   ===================================================== */
@media (hover: none) and (pointer: coarse) {
    .feature-card:hover,
    .solution-card:hover,
    .sector-card:hover {
        transform: none;
    }

    .nav-menu li a:hover::after {
        width: 0;
    }
}

/* =====================================================
   LARGE DESKTOP (1400px+)
   ===================================================== */
@media (min-width: 1400px) {
    :root {
        --container-max: 1600px;
        --section-padding: 8rem;
    }
}