/* ═══════════════════════════════════════════════════════════
   TYSIM México — Design System
   Premium Industrial Landing Page
   ═══════════════════════════════════════════════════════════ */

/* ─── CSS Custom Properties ─── */
:root {
    /* TYSIM Brand - Lime Green / Forest */
    --tysim-50: #eef8e8;
    --tysim-100: #d5edc5;
    --tysim-200: #b0dc93;
    --tysim-300: #8bcc61;
    --tysim-400: #6FBF39;
    --tysim-500: #5AAF22;
    --tysim-600: #4A9A1D;
    --tysim-700: #3B7F17;
    --tysim-800: #2C6311;
    --tysim-900: #1D470B;

    /* TYSIM Accent — Construction Gold */
    --tysim-accent: #E8A838;
    --tysim-accent-light: #F0C468;
    --tysim-accent-dark: #C68E2A;

    /* Dark Navy (from mchnry.store design system) */
    --dark-50: #e8eef7;
    --dark-100: #c8d7ed;
    --dark-200: #96aed4;
    --dark-300: #6888bb;
    --dark-400: #3d639f;
    --dark-500: #1a4080;
    --dark-600: #132D57;
    --dark-700: #0B1D3A;
    --dark-800: #091630;
    --dark-900: #060F1F;
    --dark-950: #030810;

    /* Neutral Grays */
    --gray-50: #F5F7FA;
    --gray-100: #E8ECF1;
    --gray-200: #d1d8e3;
    --gray-300: #b4bfcf;
    --gray-400: #94A3B8;
    --gray-500: #7889a1;
    --gray-600: #64748b;
    --gray-700: #475569;
    --gray-800: #334155;
    --gray-900: #1e293b;
    --gray-950: #0f172a;

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

    /* Spacing */
    --section-padding: clamp(80px, 10vw, 140px);
    --container-max: 1280px;

    /* Transitions */
    --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-out-quint: cubic-bezier(0.22, 1, 0.36, 1);
    --transition-fast: 200ms var(--ease-out-expo);
    --transition-med: 400ms var(--ease-out-expo);
    --transition-slow: 600ms var(--ease-out-expo);

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.07), 0 2px 4px -2px rgba(0,0,0,0.05);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.08), 0 4px 6px -4px rgba(0,0,0,0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1), 0 8px 10px -6px rgba(0,0,0,0.05);
    --shadow-glow: 0 0 40px rgba(90, 175, 34, 0.15);
    --shadow-glow-gold: 0 0 40px rgba(232, 168, 56, 0.15);

    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;
}

/* ─── Reset & Base ─── */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-primary);
    font-size: 16px;
    line-height: 1.6;
    color: var(--gray-800);
    background: var(--gray-50);
    overflow-x: hidden;
}

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

a {
    text-decoration: none;
    color: inherit;
    transition: color var(--transition-fast);
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.15;
}

.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 clamp(20px, 4vw, 40px);
}

/* ═══════════════════════════════════════════════════════════
   NAVIGATION
   ═══════════════════════════════════════════════════════════ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 20px 0;
    transition: all var(--transition-med);
}

.navbar.scrolled {
    padding: 12px 0;
    background: rgba(6, 15, 31, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(111, 191, 57, 0.12);
}

.nav-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 clamp(20px, 4vw, 40px);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    z-index: 1001;
}

.nav-logo-img {
    height: auto;
    max-height: 30px;
    max-width: 140px;
    width: auto;
    object-fit: contain;
    transition: all var(--transition-fast);
    filter: drop-shadow(0 2px 8px rgba(0,0,0,0.2));
}

.nav-logo:hover .nav-logo-img {
    filter: drop-shadow(0 2px 12px rgba(111, 191, 57, 0.35));
    transform: scale(1.03);
}

.navbar.scrolled .nav-logo-img {
    max-height: 26px;
    max-width: 120px;
}

.footer-logo-img {
    height: auto;
    max-height: 34px;
    max-width: 160px;
    width: auto;
    object-fit: contain;
    margin-bottom: 8px;
    filter: drop-shadow(0 2px 8px rgba(0,0,0,0.3));
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 4px;
    list-style: none;
}

.nav-link {
    padding: 8px 16px;
    font-size: 14px;
    font-weight: 500;
    color: rgba(255,255,255,0.7);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: white;
    background: rgba(255,255,255,0.08);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 4px;
    left: 50%;
    transform: translateX(-50%);
    width: 16px;
    height: 2px;
    background: var(--tysim-400);
    border-radius: var(--radius-full);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.nav-cta {
    padding: 10px 22px;
    font-size: 14px;
    font-weight: 600;
    color: white;
    background: linear-gradient(135deg, var(--tysim-500), var(--tysim-700));
    border-radius: var(--radius-full);
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.nav-cta:hover {
    background: linear-gradient(135deg, var(--tysim-400), var(--tysim-600));
    transform: translateY(-1px);
    box-shadow: 0 4px 20px rgba(90, 175, 34, 0.35);
}

.nav-hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    z-index: 1001;
}

.nav-hamburger span {
    width: 24px;
    height: 2px;
    background: white;
    border-radius: 2px;
    transition: all var(--transition-fast);
}

.nav-hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-hamburger.active span:nth-child(2) { opacity: 0; }
.nav-hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ═══════════════════════════════════════════════════════════
   HERO SECTION
   ═══════════════════════════════════════════════════════════ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    overflow: hidden;
    padding: 120px 0 40px;
}

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

.hero-bg-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transform: scale(1.05);
    animation: heroZoom 30s ease-in-out infinite alternate;
}

@keyframes heroZoom {
    0% { transform: scale(1.05); }
    100% { transform: scale(1.12); }
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: 
        linear-gradient(180deg, 
            rgba(6, 15, 31, 0.80) 0%,
            rgba(11, 29, 58, 0.50) 40%,
            rgba(6, 15, 31, 0.65) 70%,
            rgba(6, 15, 31, 0.96) 100%
        ),
        linear-gradient(90deg,
            rgba(90, 175, 34, 0.08) 0%,
            rgba(111, 191, 57, 0.04) 100%
        );
}

.hero-particles {
    position: absolute;
    inset: 0;
    z-index: 1;
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 880px;
    margin: 0 auto;
    padding: 0 clamp(20px, 4vw, 40px);
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    background: rgba(90, 175, 34, 0.12);
    border: 1px solid rgba(111, 191, 57, 0.3);
    border-radius: var(--radius-full);
    font-size: 13px;
    font-weight: 600;
    color: var(--tysim-300);
    letter-spacing: 0.5px;
    text-transform: uppercase;
    margin-bottom: 28px;
    animation: fadeInUp 0.8s var(--ease-out-expo) 0.2s both;
}

.badge-pulse {
    width: 8px;
    height: 8px;
    background: var(--tysim-400);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.5); }
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(42px, 7vw, 86px);
    font-weight: 800;
    color: white;
    margin-bottom: 24px;
    letter-spacing: -2px;
    line-height: 1.05;
}

.title-line {
    display: block;
    animation: fadeInUp 0.8s var(--ease-out-expo) 0.4s both;
}

.title-line.accent {
    background: linear-gradient(135deg, var(--tysim-300), var(--tysim-400), var(--tysim-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation-delay: 0.5s;
}

.hero-description {
    font-size: clamp(16px, 2vw, 20px);
    color: rgba(255,255,255,0.7);
    max-width: 680px;
    margin: 0 auto 40px;
    line-height: 1.7;
    animation: fadeInUp 0.8s var(--ease-out-expo) 0.6s both;
}

.hero-cta-group {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    animation: fadeInUp 0.8s var(--ease-out-expo) 0.7s both;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    font-family: var(--font-primary);
    font-size: 15px;
    font-weight: 600;
    border-radius: var(--radius-full);
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.btn-primary {
    color: white;
    background: linear-gradient(135deg, var(--tysim-500), var(--tysim-700));
    box-shadow: 0 4px 20px rgba(90, 175, 34, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(90, 175, 34, 0.45);
    background: linear-gradient(135deg, var(--tysim-400), var(--tysim-600));
}

.btn-primary svg { transition: transform var(--transition-fast); }
.btn-primary:hover svg { transform: translateX(4px); }

.btn-outline {
    color: white;
    background: transparent;
    border: 1.5px solid rgba(255,255,255,0.3);
}

.btn-outline:hover {
    background: rgba(255,255,255,0.1);
    border-color: rgba(255,255,255,0.5);
    transform: translateY(-2px);
}

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

.btn-sm {
    padding: 10px 20px;
    font-size: 13px;
}

.btn-ghost {
    color: var(--tysim-500);
    background: transparent;
    border: 1.5px solid var(--tysim-200);
}

.btn-ghost:hover {
    background: var(--tysim-50);
    border-color: var(--tysim-400);
}

/* Hero Stats */
.hero-stats {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1px;
    max-width: 1000px;
    margin: 60px auto 0;
    background: rgba(111, 191, 57, 0.08);
    border-radius: var(--radius-lg);
    overflow: hidden;
    animation: fadeInUp 0.8s var(--ease-out-expo) 0.9s both;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(111, 191, 57, 0.12);
}

.stat-card {
    padding: 28px 24px;
    text-align: center;
    background: rgba(255,255,255,0.03);
    transition: background var(--transition-fast);
}

.stat-card:hover { background: rgba(111, 191, 57, 0.08); }

.stat-number {
    font-family: var(--font-display);
    font-size: clamp(28px, 3.5vw, 40px);
    font-weight: 800;
    color: white;
    display: block;
    margin-bottom: 4px;
}

.stat-number sup { font-size: 50%; vertical-align: super; color: var(--tysim-400); }
.stat-unit { font-size: 60%; color: var(--tysim-400); }

.stat-label {
    font-size: 13px;
    color: rgba(255,255,255,0.5);
    font-weight: 500;
}

/* Hero Scroll Indicator */
.hero-scroll {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
}

.scroll-indicator {
    width: 24px;
    height: 40px;
    border: 2px solid rgba(111, 191, 57, 0.4);
    border-radius: 12px;
    display: flex;
    justify-content: center;
    padding-top: 8px;
}

.scroll-dot {
    width: 4px;
    height: 8px;
    background: var(--tysim-400);
    border-radius: 2px;
    animation: scrollBounce 2s ease-in-out infinite;
}

@keyframes scrollBounce {
    0%, 100% { transform: translateY(0); opacity: 1; }
    50% { transform: translateY(12px); opacity: 0.3; }
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ═══════════════════════════════════════════════════════════
   SECTION HEADERS
   ═══════════════════════════════════════════════════════════ */
.section-header { text-align: center; margin-bottom: 60px; }
.section-header.light .section-tag, .section-header.light .section-title { color: white; }
.section-header.light .section-tag {
    background: rgba(111, 191, 57, 0.14);
    border-color: rgba(111, 191, 57, 0.3);
    color: var(--tysim-300);
}

.section-tag {
    display: inline-block;
    padding: 6px 16px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--tysim-600);
    background: var(--tysim-50);
    border: 1px solid var(--tysim-100);
    border-radius: var(--radius-full);
    margin-bottom: 20px;
}

.section-title {
    font-size: clamp(32px, 4.5vw, 52px);
    font-weight: 800;
    color: var(--gray-950);
    letter-spacing: -1.5px;
    line-height: 1.1;
}

.section-subtitle {
    font-size: 18px;
    color: var(--gray-600);
    max-width: 580px;
    margin: 16px auto 0;
    line-height: 1.6;
}

/* ═══════════════════════════════════════════════════════════
   ABOUT SECTION
   ═══════════════════════════════════════════════════════════ */
.about {
    padding: var(--section-padding) 0;
    background: var(--gray-50);
    position: relative;
}

.about::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--tysim-100), transparent);
}

.about-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 60px;
    align-items: start;
}

.about-lead {
    font-size: 19px;
    color: var(--gray-700);
    line-height: 1.7;
    margin-bottom: 40px;
    font-weight: 400;
}

.about-features { display: flex; flex-direction: column; gap: 16px; }

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 20px;
    border-radius: var(--radius-md);
    background: white;
    border: 1px solid var(--gray-100);
    transition: all var(--transition-fast);
    cursor: default;
}

.feature-item:hover {
    border-color: var(--tysim-200);
    box-shadow: var(--shadow-md), var(--shadow-glow);
    transform: translateX(4px);
}

.feature-icon {
    flex-shrink: 0;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--tysim-50), var(--tysim-100));
    border-radius: var(--radius-sm);
    color: var(--tysim-600);
}

.feature-text h4 {
    font-family: var(--font-primary);
    font-size: 15px;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 4px;
}

.feature-text p {
    font-size: 14px;
    color: var(--gray-500);
    line-height: 1.5;
}

.about-visual { position: relative; }

.about-image-wrapper {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.about-image {
    width: 100%;
    height: 400px;
    object-fit: cover;
}

.about-image-accent {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 60%, rgba(10, 12, 20, 0.4) 100%);
}

.about-stats-card {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 24px;
    margin-top: -40px;
    margin-left: 20px;
    margin-right: 20px;
    padding: 20px 28px;
    background: rgba(6, 15, 31, 0.92);
    backdrop-filter: blur(20px);
    border-radius: var(--radius-md);
    border: 1px solid rgba(111, 191, 57, 0.15);
    position: relative;
    z-index: 2;
}

.mini-stat { text-align: center; }
.mini-stat-number {
    font-family: var(--font-display);
    font-size: 22px;
    font-weight: 800;
    color: var(--tysim-400);
    display: block;
}
.mini-stat-label {
    font-size: 11px;
    color: rgba(255,255,255,0.5);
    font-weight: 500;
}
.mini-stat-divider {
    width: 1px;
    height: 36px;
    background: rgba(255,255,255,0.1);
}

/* ═══════════════════════════════════════════════════════════
   EQUIPMENT SECTION
   ═══════════════════════════════════════════════════════════ */
.equipment {
    padding: var(--section-padding) 0;
    position: relative;
    background: var(--dark-900);
    overflow: hidden;
}

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

.equipment-bg-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.12;
}

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

.equipment-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 28px;
}

.equipment-card {
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-med);
    backdrop-filter: blur(10px);
}

.equipment-card:hover {
    border-color: rgba(111, 191, 57, 0.3);
    transform: translateY(-4px);
    box-shadow: 0 20px 60px rgba(0,0,0,0.3), 0 0 40px rgba(90, 175, 34, 0.1);
}

.equipment-card.featured {
    border-color: rgba(111, 191, 57, 0.2);
    background: rgba(111, 191, 57, 0.06);
}

.equipment-image-wrap {
    position: relative;
    height: 260px;
    overflow: hidden;
    background: linear-gradient(180deg, rgba(255,255,255,0.02) 0%, rgba(111,191,57,0.04) 100%);
}

.equipment-image {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 16px;
    transition: transform var(--transition-med);
}

.equipment-card:hover .equipment-image { transform: scale(1.05); }

.equipment-badge {
    position: absolute;
    top: 16px;
    right: 16px;
    padding: 4px 12px;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-radius: var(--radius-full);
    background: rgba(111, 191, 57, 0.2);
    color: var(--tysim-300);
    border: 1px solid rgba(111, 191, 57, 0.3);
}

.equipment-badge.bestseller {
    background: rgba(232, 168, 56, 0.2);
    color: var(--tysim-accent-light);
    border-color: rgba(232, 168, 56, 0.4);
}

.equipment-badge.heavy {
    background: rgba(255, 100, 100, 0.15);
    color: #FF8888;
    border-color: rgba(255, 100, 100, 0.3);
}

.equipment-badge.accessory {
    background: rgba(100, 160, 255, 0.15);
    color: #88BBFF;
    border-color: rgba(100, 160, 255, 0.3);
}

.equipment-info { padding: 24px; }

.equipment-info h3 {
    font-family: var(--font-display);
    font-size: 28px;
    font-weight: 800;
    color: white;
    letter-spacing: -0.5px;
    margin-bottom: 4px;
}

.equipment-subtitle {
    font-size: 14px;
    color: var(--tysim-300);
    font-weight: 500;
    margin-bottom: 16px;
}

.equipment-specs {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    margin-bottom: 16px;
    padding: 16px;
    background: rgba(0,0,0,0.2);
    border-radius: var(--radius-md);
}

.spec { text-align: center; }
.spec-label {
    display: block;
    font-size: 10px;
    color: rgba(255,255,255,0.4);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 4px;
}
.spec-value {
    display: block;
    font-family: var(--font-display);
    font-size: 16px;
    font-weight: 700;
    color: white;
}

.equipment-desc {
    font-size: 14px;
    color: rgba(255,255,255,0.6);
    line-height: 1.6;
    margin-bottom: 20px;
}

.equipment-actions {
    display: flex;
    gap: 10px;
}

.equipment-actions .btn-primary {
    flex: 1;
}

.equipment-actions .btn-ghost {
    color: rgba(255,255,255,0.7);
    border-color: rgba(255,255,255,0.2);
}

.equipment-actions .btn-ghost:hover {
    color: white;
    background: rgba(255,255,255,0.08);
    border-color: rgba(255,255,255,0.3);
}

/* ═══════════════════════════════════════════════════════════
   CATALOG SECTION
   ═══════════════════════════════════════════════════════════ */
.catalog-section {
    padding: var(--section-padding) 0;
    background: white;
    position: relative;
}

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

.catalog-card {
    padding: 32px 24px;
    background: var(--gray-50);
    border: 1px solid var(--gray-100);
    border-radius: var(--radius-lg);
    text-align: center;
    transition: all var(--transition-fast);
    cursor: pointer;
}

.catalog-card:hover {
    border-color: var(--tysim-200);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
    transform: translateY(-4px);
}

.catalog-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--tysim-50), var(--tysim-100));
    border-radius: var(--radius-md);
    margin: 0 auto 16px;
    color: var(--tysim-600);
    transition: all var(--transition-fast);
}

.catalog-card:hover .catalog-icon {
    background: linear-gradient(135deg, var(--tysim-400), var(--tysim-600));
    color: white;
}

.catalog-card h4 {
    font-size: 16px;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 8px;
}

.catalog-card p {
    font-size: 13px;
    color: var(--gray-500);
    line-height: 1.5;
    margin-bottom: 16px;
}

.catalog-download-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    font-weight: 600;
    color: var(--tysim-600);
    transition: color var(--transition-fast);
}

.catalog-card:hover .catalog-download-btn { color: var(--tysim-500); }

/* ═══════════════════════════════════════════════════════════
   ADVANTAGES SECTION
   ═══════════════════════════════════════════════════════════ */
.advantages {
    padding: var(--section-padding) 0;
    background: var(--gray-50);
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 60px;
}

.advantage-card {
    padding: 32px;
    background: white;
    border: 1px solid var(--gray-100);
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
    position: relative;
    overflow: hidden;
}

.advantage-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--tysim-400), var(--tysim-accent));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-med);
}

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

.advantage-card:hover {
    border-color: var(--tysim-100);
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.advantage-number {
    font-family: var(--font-display);
    font-size: 48px;
    font-weight: 800;
    color: var(--tysim-100);
    line-height: 1;
    margin-bottom: 16px;
    transition: color var(--transition-fast);
}

.advantage-card:hover .advantage-number { color: var(--tysim-200); }

.advantage-card h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 12px;
}

.advantage-card p {
    font-size: 14px;
    color: var(--gray-600);
    line-height: 1.6;
}

.comparison-banner {
    background: linear-gradient(135deg, var(--dark-800), var(--dark-700));
    border-radius: var(--radius-xl);
    overflow: hidden;
    position: relative;
}

.comparison-banner::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, rgba(111,191,57,0.08) 0%, rgba(232,168,56,0.06) 100%);
}

.comparison-content {
    position: relative;
    padding: 48px;
    text-align: center;
}

.comparison-content h3 {
    font-size: 28px;
    font-weight: 800;
    color: white;
    margin-bottom: 12px;
}

.comparison-content p {
    font-size: 16px;
    color: rgba(255,255,255,0.7);
    max-width: 600px;
    margin: 0 auto 28px;
    line-height: 1.6;
}

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

.contact-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 48px;
}

.contact-form {
    padding: 40px;
    background: var(--gray-50);
    border: 1px solid var(--gray-100);
    border-radius: var(--radius-xl);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: 6px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    font-family: var(--font-primary);
    font-size: 14px;
    color: var(--gray-900);
    background: white;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--tysim-400);
    box-shadow: 0 0 0 3px rgba(111, 191, 57, 0.12);
}

.form-group textarea { resize: vertical; min-height: 100px; }

.form-status {
    margin-top: 16px;
    padding: 12px 16px;
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 500;
    display: none;
}

.form-status.success {
    display: block;
    background: var(--tysim-50);
    color: var(--tysim-700);
    border: 1px solid var(--tysim-200);
}

.form-status.error {
    display: block;
    background: #fef2f2;
    color: #991b1b;
    border: 1px solid #fecaca;
}

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

.contact-info-card {
    padding: 28px;
    background: var(--gray-50);
    border: 1px solid var(--gray-100);
    border-radius: var(--radius-lg);
}

.contact-info-card h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 20px;
}

.contact-detail {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    margin-bottom: 16px;
}

.contact-detail svg {
    flex-shrink: 0;
    margin-top: 2px;
    color: var(--tysim-500);
}

.contact-detail span {
    display: block;
    font-size: 12px;
    color: var(--gray-500);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 2px;
}

.contact-detail a {
    font-size: 15px;
    font-weight: 600;
    color: var(--gray-800);
}

.contact-detail a:hover { color: var(--tysim-600); }

.contact-info-card.dark {
    background: var(--dark-800);
    border-color: rgba(255,255,255,0.06);
}

.contact-info-card.dark h3 { color: white; }
.contact-info-card.dark p { color: rgba(255,255,255,0.7); font-size: 14px; line-height: 1.6; }

.office-hours { margin-top: 20px; padding-top: 16px; border-top: 1px solid rgba(255,255,255,0.08); }
.office-hours h4 { font-size: 13px; color: rgba(255,255,255,0.5); font-weight: 600; margin-bottom: 4px; text-transform: uppercase; letter-spacing: 0.5px; }
.office-hours p { color: rgba(255,255,255,0.8); }

.contact-info-card.distributor {
    background: linear-gradient(135deg, var(--tysim-50), rgba(111, 191, 57, 0.04));
    border-color: var(--tysim-100);
}

.distributor-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--tysim-700);
    margin-bottom: 12px;
}

.contact-info-card.distributor p {
    font-size: 14px;
    color: var(--gray-600);
    line-height: 1.6;
}

/* ═══════════════════════════════════════════════════════════
   FOOTER
   ═══════════════════════════════════════════════════════════ */
.footer {
    background: var(--dark-900);
    padding: 60px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255,255,255,0.06);
}

.footer-brand p {
    color: rgba(255,255,255,0.5);
    font-size: 14px;
    line-height: 1.6;
    margin-top: 16px;
    max-width: 320px;
}

/* Logo image is styled via .footer-logo-img */

.footer-social {
    display: flex;
    gap: 12px;
    margin-top: 20px;
}

.footer-social a {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    background: rgba(255,255,255,0.06);
    color: rgba(255,255,255,0.5);
    transition: all var(--transition-fast);
}

.footer-social a:hover {
    background: var(--tysim-600);
    color: white;
    transform: translateY(-2px);
}

.footer-links-group h4 {
    font-size: 14px;
    font-weight: 700;
    color: rgba(255,255,255,0.8);
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

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

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

.footer-links-group a {
    font-size: 14px;
    color: rgba(255,255,255,0.4);
    transition: color var(--transition-fast);
}

.footer-links-group a:hover { color: var(--tysim-400); }

.footer-bottom {
    padding: 20px 0;
    text-align: center;
}

.footer-bottom p {
    font-size: 13px;
    color: rgba(255,255,255,0.3);
}

.footer-bottom a { color: var(--tysim-400); }
.footer-bottom a:hover { color: var(--tysim-300); }

/* ═══════════════════════════════════════════════════════════
   CATALOG REGISTRATION MODAL
   ═══════════════════════════════════════════════════════════ */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.7);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-med);
    padding: 20px;
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background: white;
    border-radius: var(--radius-xl);
    max-width: 560px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    padding: 40px;
    transform: translateY(20px) scale(0.98);
    transition: transform var(--transition-med);
    position: relative;
}

.modal-overlay.active .modal-content {
    transform: translateY(0) scale(1);
}

.modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gray-100);
    border: none;
    border-radius: 50%;
    font-size: 20px;
    color: var(--gray-600);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.modal-close:hover { background: var(--gray-200); color: var(--gray-900); }

.modal-header { text-align: center; margin-bottom: 28px; }

.modal-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--tysim-50), var(--tysim-100));
    border-radius: 50%;
    margin: 0 auto 16px;
    color: var(--tysim-600);
}

.modal-header h3 {
    font-size: 22px;
    font-weight: 800;
    color: var(--gray-900);
    margin-bottom: 8px;
}

.modal-header p {
    font-size: 14px;
    color: var(--gray-500);
    line-height: 1.5;
}

.modal-form .form-row { gap: 12px; }
.modal-form .form-group { margin-bottom: 12px; }

/* ═══════════════════════════════════════════════════════════
   WHATSAPP FLOATING BUTTON
   ═══════════════════════════════════════════════════════════ */
.whatsapp-float {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 60px;
    height: 60px;
    background: #25D366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    z-index: 9999;
    transition: all var(--transition-fast);
    animation: whatsappPulse 3s ease-in-out infinite;
}

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

.whatsapp-tooltip {
    position: absolute;
    right: 70px;
    top: 50%;
    transform: translateY(-50%);
    background: white;
    color: var(--gray-800);
    padding: 8px 16px;
    border-radius: var(--radius-md);
    font-size: 13px;
    font-weight: 600;
    white-space: nowrap;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-fast);
}

.whatsapp-tooltip::after {
    content: '';
    position: absolute;
    right: -6px;
    top: 50%;
    transform: translateY(-50%);
    width: 0;
    height: 0;
    border-top: 6px solid transparent;
    border-bottom: 6px solid transparent;
    border-left: 6px solid white;
}

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

@keyframes whatsappPulse {
    0%, 100% { box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4); }
    50% { box-shadow: 0 4px 20px rgba(37, 211, 102, 0.2), 0 0 0 12px rgba(37, 211, 102, 0.08); }
}

/* ═══════════════════════════════════════════════════════════
   ANIMATIONS - on scroll
   ═══════════════════════════════════════════════════════════ */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s var(--ease-out-expo);
}

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

/* ═══════════════════════════════════════════════════════════
   RESPONSIVE DESIGN
   ═══════════════════════════════════════════════════════════ */
@media (max-width: 1024px) {
    .about-grid { grid-template-columns: 1fr; gap: 40px; }
    .equipment-grid { grid-template-columns: repeat(2, 1fr); }
    .catalog-grid { grid-template-columns: repeat(2, 1fr); }
    .advantages-grid { grid-template-columns: repeat(2, 1fr); }
    .contact-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(6, 15, 31, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: center;
        gap: 8px;
        padding: 80px 40px;
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-med);
    }

    .nav-links.active {
        opacity: 1;
        visibility: visible;
    }

    .nav-link {
        font-size: 20px;
        padding: 12px 20px;
    }

    .nav-hamburger { display: flex; }
    .nav-cta { display: none; }

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

    .hero-title {
        font-size: clamp(36px, 8vw, 56px);
        letter-spacing: -1px;
    }

    .equipment-grid { grid-template-columns: 1fr; }
    .catalog-grid { grid-template-columns: 1fr; }
    .advantages-grid { grid-template-columns: 1fr; }

    .form-row { grid-template-columns: 1fr; }

    .footer-grid { grid-template-columns: 1fr; gap: 30px; }

    .comparison-content { padding: 32px 24px; }
    .comparison-content h3 { font-size: 22px; }

    .contact-form { padding: 24px; }

    .modal-content { padding: 24px; }
}

@media (max-width: 480px) {
    .hero-stats { grid-template-columns: repeat(2, 1fr); }
    .stat-card { padding: 16px 12px; }
    .about-stats-card { flex-direction: column; gap: 12px; margin-left: 10px; margin-right: 10px; }
    .mini-stat-divider { width: 80%; height: 1px; }
    .hero-cta-group { flex-direction: column; }
    .btn { width: 100%; justify-content: center; }
}