/* =====================================================
   VALERA & BARRERO - Corporate Website Styles
   Tech Minimal Design - December 2024
===================================================== */

/* ===========================================
   1. CSS VARIABLES & RESET
=========================================== */
:root {
    --navy: #142a47;
    --navy-light: #1e3a5f;
    --blue-primary: #142a47;
    --blue-light: #1e4a6f;
    --salmon: #d97a38;
    --salmon-light: #e89a58;
    --white: #ffffff;
    --gray-100: #f8fafc;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-500: #64748b;
    --gray-800: #1e293b;
    --font-heading: 'Poppins', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --transition-fast: 0.3s ease;
    --transition-smooth: 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Glassmorphism mejorado */
    --glass-bg: rgba(20, 42, 71, 0.15);
    --glass-bg-light: rgba(20, 42, 71, 0.25);
    --glass-border: rgba(255, 255, 255, 0.18);
    --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
    --glass-blur: 20px;
}

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

html, body {
    font-family: var(--font-body);
    background: linear-gradient(135deg, #0a1520 0%, #142a47 50%, #1e3a5f 100%);
    color: var(--white);
    overflow: hidden;
    height: 100%;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    position: relative;
}

/* Noise overlay for texture */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    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");
    opacity: 0.03;
    pointer-events: none;
    z-index: 0;
}

/* Gradient orbs for depth */
body::after {
    content: '';
    position: fixed;
    top: -50%;
    right: -20%;
    width: 80%;
    height: 80%;
    background: radial-gradient(circle, rgba(20, 42, 71, 0.2) 0%, transparent 60%);
    pointer-events: none;
    z-index: 0;
}

/* ===========================================
   2. PRELOADER
=========================================== */
.preloader {
    position: fixed;
    inset: 0;
    background: linear-gradient(135deg, #0a1520 0%, #142a47 50%, #1e3a5f 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    transition: opacity 0.8s ease, visibility 0.8s ease;
}

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

.preloader-logo {
    width: 150px;
    animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.6; transform: scale(0.95); }
}

/* ===========================================
   2.5. INTRO BANNER
=========================================== */
.intro-banner {
    position: fixed;
    inset: 0;
    z-index: 500;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #142a47;
    transition: transform 1s cubic-bezier(0.4, 0, 0.2, 1), 
                opacity 0.8s ease;
}

.intro-banner.hidden {
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
}

.banner-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.banner-scroll-hint {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    color: rgba(255, 255, 255, 0.8);
    font-size: 13px;
    letter-spacing: 2px;
    text-transform: uppercase;
    animation: fadeInUp 1s ease 0.5s both;
}

.banner-arrow {
    width: 24px;
    height: 24px;
    border-right: 2px solid var(--salmon);
    border-bottom: 2px solid var(--salmon);
    transform: rotate(45deg);
    animation: bounceArrow 2s infinite;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateX(-50%) translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
}

@keyframes bounceArrow {
    0%, 100% { transform: rotate(45deg) translateY(0); }
    50% { transform: rotate(45deg) translateY(10px); }
}

/* ===========================================
   3. NAVIGATION
=========================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    padding: 15px 40px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    z-index: 1000;
    background: var(--glass-bg);
    -webkit-backdrop-filter: blur(var(--glass-blur));
    backdrop-filter: blur(var(--glass-blur));
    border-bottom: 1px solid var(--glass-border);
}

.nav-logo img {
    height: 80px;
}

.nav-links {
    display: flex;
    gap: 30px;
    align-items: center;
}

.nav-links a {
    color: var(--white);
    text-decoration: none;
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 0.5px;
    opacity: 0.8;
    transition: var(--transition-fast);
    cursor: pointer;
    padding: 8px 12px;
    border-radius: 8px;
}

.nav-links a:hover,
.nav-links a.active {
    opacity: 1;
    background: var(--glass-bg-light);
    color: var(--white);
}

.nav-contact {
    background: linear-gradient(135deg, var(--salmon) 0%, var(--salmon-light) 100%) !important;
    padding: 10px 24px !important;
    border-radius: 25px;
    opacity: 1 !important;
    box-shadow: 0 4px 15px rgba(232, 132, 92, 0.3);
}

.nav-contact:hover {
    background: linear-gradient(135deg, var(--salmon-light) 0%, var(--salmon) 100%) !important;
    color: var(--white) !important;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(232, 132, 92, 0.4);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 5px;
}

.nav-toggle span {
    width: 25px;
    height: 2px;
    background: var(--white);
    transition: var(--transition-fast);
}

/* ===========================================
   4. PROGRESS BAR
=========================================== */
.progress-bar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: rgba(255, 255, 255, 0.1);
    z-index: 1001;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--salmon), var(--salmon-light));
    width: 0%;
    transition: width var(--transition-fast);
}

/* ===========================================
   5. TUNNEL NAVIGATION SYSTEM
=========================================== */
.tunnel {
    position: fixed;
    inset: 0;
    perspective: 1000px;
    perspective-origin: 50% 50%;
    transform-style: preserve-3d;
}

.tunnel-section {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transform: translateZ(-1000px) scale(0.5);
    transition: all var(--transition-smooth);
}

.tunnel-section.active {
    opacity: 1;
    visibility: visible;
    transform: translateZ(0) scale(1);
}

.tunnel-section.prev {
    opacity: 0;
    visibility: hidden;
    transform: translateZ(500px) scale(1.5);
}

.tunnel-section.next {
    opacity: 0;
    visibility: hidden;
    transform: translateZ(-1000px) scale(0.5);
}

/* ===========================================
   6. SECTION BACKGROUNDS & 3D CONTAINERS
=========================================== */
.section-background {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.globe-container,
.model-container {
    width: 100%;
    height: 100%;
}

.contact-bg {
    background: transparent;
}

/* Banner fullscreen section */
.banner-section {
    background: transparent;
}

.banner-fullscreen {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.banner-fullscreen-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

/* ===========================================
   7. HERO SECTION
=========================================== */
.hero-layout {
    position: absolute;
    inset: 0;
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    padding: 0 80px;
    gap: 60px;
}

.hero-text {
    z-index: 10;
    padding: 60px;
    background: linear-gradient(135deg, rgba(20, 42, 71, 0.5) 0%, rgba(30, 58, 95, 0.35) 100%);
    -webkit-backdrop-filter: blur(30px) saturate(180%);
    backdrop-filter: blur(30px) saturate(180%);
    border-radius: 32px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    box-shadow: 
        0 25px 80px rgba(0, 0, 0, 0.3),
        0 0 100px rgba(217, 122, 56, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.15);
    position: relative;
    overflow: hidden;
    transform: translateY(0);
    animation: heroFloat 6s ease-in-out infinite;
}

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

.hero-text::before {
    content: '';
    position: absolute;
    top: 0;
    left: 30px;
    right: 30px;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
}

.hero-text::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 30px;
    right: 30px;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(217, 122, 56, 0.4), transparent);
}

.hero-text h1 {
    margin-bottom: 25px;
}

.hero-text .line-1 {
    display: block;
    font-family: var(--font-heading);
    font-size: clamp(2.8rem, 6vw, 5rem);
    font-weight: 800;
    letter-spacing: -3px;
    line-height: 1.05;
    background: linear-gradient(135deg, #ffffff 0%, #e0e0e0 50%, #ffffff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 0 60px rgba(255, 255, 255, 0.1);
}

.hero-text .line-2 {
    display: block;
    font-family: var(--font-heading);
    font-size: clamp(1.2rem, 2.5vw, 1.8rem);
    font-weight: 500;
    background: linear-gradient(135deg, var(--salmon) 0%, var(--salmon-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: 4px;
    margin-top: 15px;
    text-transform: uppercase;
}

.hero-text p {
    font-size: 1.15rem;
    color: var(--gray-200);
    line-height: 1.9;
    margin-bottom: 35px;
    max-width: 500px;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.hero-buttons .btn-primary {
    padding: 18px 40px;
    font-size: 15px;
    background: linear-gradient(135deg, var(--salmon) 0%, var(--salmon-light) 100%);
    box-shadow: 
        0 8px 30px rgba(217, 122, 56, 0.4),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.hero-buttons .btn-primary:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: 
        0 15px 40px rgba(217, 122, 56, 0.5),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.hero-buttons .btn-secondary {
    padding: 18px 40px;
    font-size: 15px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.2);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
}

.hero-buttons .btn-secondary:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.3);
    transform: translateY(-4px);
}

.hero-globe-wrapper {
    width: 100%;
    height: 85vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.hero-globe-wrapper::before {
    content: '';
    position: absolute;
    width: 120%;
    height: 120%;
    background: radial-gradient(circle at center, rgba(217, 122, 56, 0.08) 0%, transparent 60%);
    pointer-events: none;
    animation: globeGlow 4s ease-in-out infinite alternate;
}

@keyframes globeGlow {
    0% { opacity: 0.5; transform: scale(0.95); }
    100% { opacity: 1; transform: scale(1.05); }
}

/* ===========================================
   8. VERTICAL SECTIONS (Business Units)
=========================================== */
.vertical-layout {
    position: absolute;
    inset: 0;
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    padding: 0 60px;
    gap: 40px;
}

.vertical-layout.reverse {
    direction: rtl;
}

.vertical-layout.reverse > * {
    direction: ltr;
}

.vertical-text {
    z-index: 10;
    padding: 45px;
    background: var(--glass-bg);
    -webkit-backdrop-filter: blur(var(--glass-blur));
    backdrop-filter: blur(var(--glass-blur));
    border-radius: 24px;
    border: 1px solid var(--glass-border);
    box-shadow: var(--glass-shadow);
    transition: transform var(--transition-smooth) 0.2s,
                opacity var(--transition-smooth) 0.2s;
    position: relative;
    overflow: hidden;
}

.vertical-text::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
}

/* Text entrance animations */
.tunnel-section:not(.active) .vertical-text.from-left {
    transform: translateX(-100vw);
    opacity: 0;
}

.tunnel-section:not(.active) .vertical-text.from-right {
    transform: translateX(100vw);
    opacity: 0;
}

.tunnel-section.active .vertical-text {
    transform: translateX(0);
    opacity: 1;
}

/* Model containers */
.vertical-model {
    width: 100%;
    height: 70vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.vertical-model.model-large {
    height: 85vh;
}

.vertical-model.model-small {
    height: 50vh;
}

/* Section content typography */
.section-number {
    display: block;
    font-size: 4rem;
    font-weight: 800;
    color: var(--salmon);
    opacity: 0.4;
    line-height: 1;
    margin-bottom: 10px;
}

.vertical-text h2 {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    margin-bottom: 15px;
    letter-spacing: -1px;
}

.vertical-text p {
    color: var(--gray-300);
    font-size: 1rem;
    line-height: 1.8;
    margin-bottom: 25px;
}

/* Features list */
.features {
    list-style: none;
    margin-bottom: 25px;
}

.features li {
    position: relative;
    padding-left: 20px;
    margin-bottom: 10px;
    color: var(--gray-300);
    font-size: 0.95rem;
}

.features li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    width: 6px;
    height: 6px;
    background: var(--salmon);
    border-radius: 50%;
}

/* Section Stats (Mini statistics) */
.section-stats {
    display: flex;
    gap: 30px;
    margin-top: 25px;
    padding-top: 25px;
    border-top: 1px solid var(--glass-border);
}

.mini-stat {
    display: flex;
    flex-direction: column;
    gap: 6px;
    padding: 15px 20px;
    background: var(--glass-bg-light);
    border-radius: 12px;
    border: 1px solid var(--glass-border);
}

.mini-stat .stat-number {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--salmon) 0%, var(--salmon-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
}

.mini-stat .stat-label {
    font-size: 0.75rem;
    color: var(--gray-300);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 500;
}

/* ===========================================
   9. STATISTICS SECTION (Deprecated - keeping for compatibility)
=========================================== */
.stats-section {
    height: 100%;
    width: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 60px;
    position: relative;
}

.stats-header {
    text-align: center;
    margin-bottom: 50px;
}

.stats-header h2 {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 4vw, 3.5rem);
    font-weight: 700;
    margin-bottom: 10px;
    background: linear-gradient(135deg, var(--white) 0%, var(--salmon) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stats-header p {
    font-size: 1.1rem;
    color: var(--gray-300);
    opacity: 0.8;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    max-width: 1100px;
    width: 100%;
}

.stat-card {
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.05) 0%, rgba(255, 255, 255, 0.02) 100%);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 35px 25px;
    text-align: center;
    position: relative;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--salmon), var(--salmon-light));
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.stat-card:hover {
    transform: translateY(-8px);
    border-color: rgba(232, 132, 92, 0.3);
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.08) 0%, rgba(232, 132, 92, 0.05) 100%);
}

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

.stat-icon {
    width: 50px;
    height: 50px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, var(--salmon) 0%, var(--salmon-light) 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform var(--transition-fast);
}

.stat-card:hover .stat-icon {
    transform: scale(1.1) rotate(5deg);
}

.stat-icon svg {
    width: 26px;
    height: 26px;
    color: var(--white);
}

.stat-number {
    display: block;
    font-size: clamp(2.5rem, 4vw, 3.5rem);
    font-weight: 800;
    color: var(--white);
    line-height: 1;
    margin-bottom: 10px;
    transition: color var(--transition-fast);
}

.stat-card:hover .stat-number {
    color: var(--salmon);
}

.stat-label {
    display: block;
    font-size: 0.9rem;
    color: var(--gray-300);
    font-weight: 500;
    letter-spacing: 0.3px;
}

/* Stats section decorative elements */
.stats-section::before,
.stats-section::after {
    content: '';
    position: absolute;
    border-radius: 50%;
    pointer-events: none;
}

.stats-section::before {
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(232, 132, 92, 0.1) 0%, transparent 70%);
    top: 10%;
    left: 5%;
    animation: floatStats 8s ease-in-out infinite;
}

.stats-section::after {
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(74, 144, 217, 0.1) 0%, transparent 70%);
    bottom: 15%;
    right: 10%;
    animation: floatStats 6s ease-in-out infinite reverse;
}

@keyframes floatStats {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(30px, -30px); }
}

/* ===========================================
   10. CONTACT SECTION
=========================================== */
.contact-centered {
    position: relative;
    z-index: 10;
    text-align: center;
    max-width: 750px;
    padding: 60px 50px;
    background: linear-gradient(135deg, rgba(20, 42, 71, 0.4) 0%, rgba(30, 58, 95, 0.3) 100%);
    -webkit-backdrop-filter: blur(25px) saturate(180%);
    backdrop-filter: blur(25px) saturate(180%);
    border-radius: 32px;
    border: 1px solid rgba(255, 255, 255, 0.15);
    box-shadow: 
        0 8px 32px rgba(0, 0, 0, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.1),
        0 0 80px rgba(217, 122, 56, 0.08);
}

.contact-centered::before {
    content: '';
    position: absolute;
    top: 0;
    left: 20px;
    right: 20px;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
}

.contact-centered::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 20px;
    right: 20px;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(217, 122, 56, 0.3), transparent);
}

.contact-centered h2 {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 4vw, 2.8rem);
    font-weight: 700;
    margin-bottom: 20px;
}

.contact-pitch {
    font-size: 1.1rem;
    color: var(--gray-300);
    line-height: 1.8;
    margin-bottom: 15px;
}

.contact-cta {
    font-size: 1.2rem;
    color: var(--salmon);
    font-weight: 600;
    margin-bottom: 40px;
}

.contact-buttons {
    display: flex;
    justify-content: center;
    gap: 25px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.contact-btn {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 18px 36px;
    border-radius: 16px;
    text-decoration: none;
    font-size: 15px;
    font-weight: 600;
    transition: all var(--transition-fast);
    letter-spacing: 0.5px;
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.contact-btn svg {
    width: 24px;
    height: 24px;
}

.contact-btn.whatsapp {
    background: linear-gradient(135deg, rgba(37, 211, 102, 0.9) 0%, rgba(32, 189, 90, 0.9) 100%);
    color: white;
    box-shadow: 
        0 4px 20px rgba(37, 211, 102, 0.35),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.contact-btn.whatsapp:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: 
        0 12px 35px rgba(37, 211, 102, 0.45),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.contact-btn.email {
    background: linear-gradient(135deg, rgba(217, 122, 56, 0.9) 0%, rgba(232, 154, 88, 0.9) 100%);
    color: white;
    box-shadow: 
        0 4px 20px rgba(217, 122, 56, 0.35),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.contact-btn.email:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: 
        0 12px 35px rgba(217, 122, 56, 0.45),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.contact-address {
    margin-bottom: 30px;
    padding: 15px 25px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    color: var(--gray-200);
    font-size: 0.95rem;
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.08);
}

/* Footer */
.footer {
    padding-top: 25px;
    border-top: 1px solid var(--glass-border);
}

.footer img {
    height: 35px;
    margin-bottom: 12px;
    opacity: 0.7;
}

.footer p {
    font-size: 12px;
    color: var(--gray-500);
    margin: 0;
}

/* ===========================================
   11. BUTTONS
=========================================== */
.btn-primary,
.btn-secondary {
    padding: 14px 32px;
    font-size: 14px;
    font-weight: 600;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    transition: all var(--transition-fast);
    font-family: var(--font-body);
    letter-spacing: 0.5px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--salmon) 0%, var(--salmon-light) 100%);
    color: var(--white);
    box-shadow: 0 4px 15px rgba(232, 132, 92, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(232, 132, 92, 0.4);
}

.btn-secondary {
    background: var(--glass-bg-light);
    color: var(--white);
    border: 1px solid var(--glass-border);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: var(--glass-bg);
    border-color: rgba(255, 255, 255, 0.3);
    transform: translateY(-3px);
}

/* ===========================================
   12. SCROLL HINT
=========================================== */
.scroll-hint {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    color: var(--gray-500);
    font-size: 12px;
    letter-spacing: 2px;
    z-index: 100;
    transition: opacity var(--transition-fast);
}

.scroll-hint.hidden {
    opacity: 0;
    pointer-events: none;
}

.scroll-arrow {
    width: 20px;
    height: 20px;
    border-right: 2px solid var(--salmon);
    border-bottom: 2px solid var(--salmon);
    transform: rotate(45deg);
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 100% { transform: rotate(45deg) translateY(0); }
    50% { transform: rotate(45deg) translateY(8px); }
}

/* ===========================================
   13. RESPONSIVE - TABLET (max-width: 1024px)
=========================================== */
@media (max-width: 1024px) {
    .navbar {
        padding: 15px 30px;
    }
    
    .nav-links {
        gap: 20px;
    }
    
    .nav-links a {
        font-size: 12px;
    }
    
    .hero-layout,
    .vertical-layout {
        grid-template-columns: 1fr;
        padding: 100px 30px 30px;
        gap: 20px;
    }
    
    .vertical-layout.reverse {
        direction: ltr;
    }
    
    .hero-text,
    .vertical-text {
        order: 1;
        padding: 30px;
    }
    
    .hero-globe-wrapper,
    .vertical-model {
        order: 2;
        height: 40vh;
    }
    
    .vertical-model.model-large {
        height: 45vh;
    }
    
    .vertical-model.model-small {
        height: 35vh;
    }
    
    .contact-centered {
        max-width: 90%;
        padding: 35px;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    
    .stats-section {
        padding: 50px 30px;
    }
}

/* ===========================================
   14. RESPONSIVE - MOBILE (max-width: 768px)
=========================================== */
@media (max-width: 768px) {
    .navbar {
        padding: 15px 20px;
    }
    
    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 300px;
        height: 100vh;
        background: var(--navy-light);
        flex-direction: column;
        justify-content: center;
        padding: 40px;
        gap: 25px;
        transition: right var(--transition-fast);
        box-shadow: -5px 0 30px rgba(0, 0, 0, 0.3);
    }
    
    .nav-links.active {
        right: 0;
    }
    
    .nav-links a {
        font-size: 16px;
        opacity: 1;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .hero-layout,
    .vertical-layout {
        padding: 90px 20px 20px;
        gap: 15px;
    }
    
    .hero-text,
    .vertical-text {
        padding: 25px;
    }
    
    .section-number {
        font-size: 3rem;
    }
    
    .hero-globe-wrapper,
    .vertical-model {
        height: 35vh;
    }
    
    .vertical-model.model-large,
    .vertical-model.model-small {
        height: 35vh;
    }
    
    .contact-centered {
        padding: 25px;
        margin: 20px;
    }
    
    .contact-buttons {
        flex-direction: column;
        gap: 15px;
    }
    
    .contact-btn {
        justify-content: center;
        padding: 15px 25px;
        font-size: 14px;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }
    
    .stats-section {
        padding: 40px 20px;
    }
    
    .stat-card {
        padding: 25px 15px;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .stat-label {
        font-size: 0.8rem;
    }
    
    .stats-header {
        margin-bottom: 30px;
    }
    
    .scroll-hint {
        bottom: 20px;
        font-size: 10px;
    }
}

/* ===========================================
   15. RESPONSIVE - SMALL MOBILE (max-width: 480px)
=========================================== */
@media (max-width: 480px) {
    .hero-text .line-1 {
        font-size: 1.8rem;
        letter-spacing: -1px;
    }
    
    .hero-text .line-2 {
        font-size: 0.9rem;
        letter-spacing: 2px;
    }
    
    .hero-text p,
    .vertical-text p {
        font-size: 0.9rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        gap: 10px;
    }
    
    .btn-primary,
    .btn-secondary {
        width: 100%;
        text-align: center;
    }
    
    .vertical-text h2 {
        font-size: 1.6rem;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }
    
    .stat-card {
        padding: 20px;
    }
    
    .stat-icon {
        width: 40px;
        height: 40px;
        margin-bottom: 15px;
    }
    
    .stat-icon svg {
        width: 22px;
        height: 22px;
    }
    
    .contact-centered h2 {
        font-size: 1.5rem;
    }
    
    .contact-pitch,
    .contact-cta {
        font-size: 0.95rem;
    }
}

/* ===========================================
   16. UTILITY & ACCESSIBILITY
=========================================== */
.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Reduce motion for users who prefer it */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .tunnel-section {
        transition: opacity 0.3s ease;
        transform: none !important;
    }
    
    .tunnel-section.active {
        opacity: 1;
    }
    
    .tunnel-section:not(.active) {
        opacity: 0;
    }
}