/* ============================================
   SYNAPSE — Global Styles
   ============================================ */

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

:root {
    /* Colors */
    --bg-primary: #F8F9FA;
    --bg-white: #FFFFFF;
    --color-navy: #0A192F;
    --color-navy-light: #1A365D;
    --color-navy-medium: #112240;
    --color-cyan: #00BFFF;
    --color-cyan-hover: #00D4FF;
    --color-green: #00E676;
    --color-green-dark: #00C853;
    --color-text: #334155;
    --color-text-light: #64748B;
    --color-border: #E2E8F0;
    --color-border-focus: #00BFFF;

    /* Gradients */
    --gradient-hero: linear-gradient(135deg, rgba(10,25,47,0.85) 0%, rgba(26,54,93,0.75) 100%);
    --gradient-cyan: linear-gradient(135deg, #00BFFF 0%, #00E676 100%);
    --gradient-easyview: linear-gradient(135deg, #0EA5E9 0%, #06B6D4 100%);
    --gradient-easyminio: linear-gradient(135deg, #8B5CF6 0%, #6366F1 100%);
    --gradient-easyronda: linear-gradient(135deg, #10B981 0%, #059669 100%);
    --gradient-easyacesso: linear-gradient(135deg, #F59E0B 0%, #D97706 100%);
    --gradient-easydash: linear-gradient(135deg, #EC4899 0%, #DB2777 100%);
    --gradient-easyentrega: linear-gradient(135deg, #14B8A6 0%, #0D9488 100%);
    --gradient-easyserver: linear-gradient(135deg, #EF4444 0%, #DC2626 100%);
    --gradient-easycontroller: linear-gradient(135deg, #64748B 0%, #475569 100%);
    --gradient-easyshop: linear-gradient(135deg, #F97316 0%, #EA580C 100%);

    /* Typography */
    --font-heading: 'Montserrat', 'Inter', sans-serif;
    --font-body: 'Inter', 'Montserrat', sans-serif;

    /* Spacing */
    --section-padding: 100px 0;
    --container-width: 1200px;

    /* Transitions */
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);

    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
    --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 30px -5px rgba(0,0,0,0.1), 0 4px 6px -4px rgba(0,0,0,0.05);
    --shadow-xl: 0 20px 50px -12px rgba(0,0,0,0.15);
    --shadow-glow: 0 0 30px rgba(0,191,255,0.15);
}

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

body {
    font-family: var(--font-body);
    color: var(--color-text);
    background-color: var(--bg-primary);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
}

img { max-width: 100%; height: auto; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

/* === TYPOGRAPHY === */
h1, h2, h3, h4, h5 {
    font-family: var(--font-heading);
    color: var(--color-navy);
    line-height: 1.2;
    font-weight: 700;
}

.section-tag {
    display: inline-block;
    font-family: var(--font-heading);
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: var(--color-cyan);
    margin-bottom: 12px;
}

.section-title {
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    margin-bottom: 16px;
    color: var(--color-navy);
}

.section-title .highlight {
    color: var(--color-cyan);
    position: relative;
}

.section-description {
    font-size: 1.1rem;
    color: var(--color-text-light);
    max-width: 680px;
    margin: 0 auto;
    line-height: 1.8;
}

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

/* === BUTTONS === */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.95rem;
    padding: 14px 32px;
    border-radius: 50px;
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition-normal);
    text-decoration: none;
    white-space: nowrap;
}

.btn-primary {
    background: var(--gradient-cyan);
    color: var(--color-navy);
    border-color: transparent;
    box-shadow: 0 4px 15px rgba(0,191,255,0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0,191,255,0.4);
}

.btn-outline {
    background: transparent;
    color: #fff;
    border-color: rgba(255,255,255,0.4);
}

.btn-outline:hover {
    background: rgba(255,255,255,0.1);
    border-color: rgba(255,255,255,0.8);
    transform: translateY(-2px);
}

.btn-lg {
    padding: 16px 40px;
    font-size: 1rem;
}

.btn-submit {
    width: 100%;
    border-radius: 12px;
    padding: 18px 40px;
    font-size: 1.05rem;
}

/* === NAVBAR === */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    transition: all var(--transition-normal);
    background: transparent;
}

.navbar.scrolled {
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: var(--shadow-md);
    padding: 10px 0;
}

.navbar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.5rem;
    color: #fff;
    transition: color var(--transition-normal);
}

.navbar.scrolled .navbar-brand {
    color: var(--color-navy);
}

.brand-logo-img {
    height: 42px;
    width: auto;
    object-fit: contain;
    filter: drop-shadow(0 2px 8px rgba(0, 191, 255, 0.3));
    transition: transform var(--transition-fast);
}

.navbar-brand:hover .brand-logo-img {
    transform: scale(1.05);
}

.footer-logo-img {
    height: 38px;
    width: auto;
    object-fit: contain;
}

/* === LANGUAGE SELECTOR === */
.lang-selector {
    display: flex;
    align-items: center;
    gap: 3px;
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.25);
    border-radius: 50px;
    padding: 3px 6px;
    margin-left: 12px;
}

.navbar.scrolled .lang-selector {
    background: var(--bg-primary);
    border-color: var(--color-border);
}

.lang-btn {
    background: transparent;
    border: none;
    font-family: var(--font-heading);
    font-size: 0.76rem;
    font-weight: 700;
    color: rgba(255, 255, 255, 0.8);
    padding: 5px 10px;
    border-radius: 50px;
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    gap: 4px;
}

.navbar.scrolled .lang-btn {
    color: var(--color-text-light);
}

.lang-btn:hover {
    color: var(--color-navy);
    background: rgba(255, 255, 255, 0.3);
}

.navbar.scrolled .lang-btn:hover {
    background: rgba(0, 191, 255, 0.1);
    color: var(--color-navy);
}

.lang-btn.active {
    background: var(--gradient-cyan) !important;
    color: var(--color-navy) !important;
    font-weight: 800;
    box-shadow: 0 2px 8px rgba(0, 191, 255, 0.3);
}

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

.nav-link {
    font-family: var(--font-heading);
    font-size: 0.88rem;
    font-weight: 500;
    color: rgba(255,255,255,0.85);
    padding: 8px 16px;
    border-radius: 8px;
    transition: all var(--transition-fast);
}

.navbar.scrolled .nav-link {
    color: var(--color-text);
}

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

.navbar.scrolled .nav-link:hover {
    color: var(--color-navy);
    background: var(--bg-primary);
}

.nav-link-cta {
    background: var(--gradient-cyan);
    color: var(--color-navy) !important;
    font-weight: 600;
    padding: 10px 24px;
    border-radius: 50px;
}

.nav-link-cta:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 15px rgba(0,191,255,0.3);
    background: var(--gradient-cyan) !important;
}

.navbar-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 6px;
}

.navbar-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: #fff;
    border-radius: 2px;
    transition: all var(--transition-fast);
}

.navbar.scrolled .navbar-toggle span {
    background: var(--color-navy);
}

/* === HERO === */
.hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    max-height: 1000px;
    overflow: hidden;
}

.hero-carousel {
    position: relative;
    width: 100%;
    height: 100%;
}

.hero-slide {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transition: opacity 1.2s ease-in-out;
    z-index: 1;
}

.hero-slide.active {
    opacity: 1;
    z-index: 2;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: var(--gradient-hero);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding-top: 80px;
    max-width: 720px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    font-family: var(--font-heading);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: var(--color-cyan);
    background: rgba(0,191,255,0.1);
    border: 1px solid rgba(0,191,255,0.25);
    padding: 8px 20px;
    border-radius: 50px;
    margin-bottom: 24px;
    width: fit-content;
    animation: fadeInUp 0.8s ease-out;
}

.hero-title {
    font-size: clamp(2.2rem, 5vw, 3.5rem);
    font-weight: 800;
    color: #fff;
    margin-bottom: 20px;
    line-height: 1.15;
    animation: fadeInUp 0.8s ease-out 0.15s both;
}

.hero-title .highlight {
    background: var(--gradient-cyan);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.15rem;
    color: rgba(255,255,255,0.75);
    line-height: 1.8;
    margin-bottom: 36px;
    max-width: 600px;
    animation: fadeInUp 0.8s ease-out 0.3s both;
}

.hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease-out 0.45s both;
}

.hero-indicators {
    position: absolute;
    bottom: 80px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
    display: flex;
    gap: 12px;
}

.indicator {
    width: 40px;
    height: 4px;
    border-radius: 4px;
    background: rgba(255,255,255,0.3);
    border: none;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.indicator.active {
    background: var(--color-cyan);
    width: 60px;
}

.hero-scroll-hint {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: rgba(255,255,255,0.5);
    font-size: 0.75rem;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.scroll-arrow {
    width: 2px;
    height: 20px;
    background: rgba(255,255,255,0.3);
    position: relative;
    border-radius: 2px;
    animation: scrollBounce 2s ease-in-out infinite;
}

.scroll-arrow::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 8px;
    height: 8px;
    border-right: 2px solid rgba(255,255,255,0.5);
    border-bottom: 2px solid rgba(255,255,255,0.5);
    transform: translateX(-50%) rotate(45deg);
}

/* === STATS BAR === */
.stats-bar {
    background: var(--color-navy);
    padding: 40px 0;
    position: relative;
    z-index: 5;
}

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

.stat-item {
    padding: 16px;
}

.stat-number {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--color-cyan);
    line-height: 1;
}

.stat-suffix {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--color-cyan);
}

.stat-label {
    display: block;
    font-size: 0.85rem;
    color: rgba(255,255,255,0.6);
    margin-top: 8px;
    font-weight: 500;
}

/* === ABOUT === */
.about {
    padding: var(--section-padding);
    background: var(--bg-white);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1.3fr;
    gap: 80px;
    align-items: center;
}

.about-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.about-logo-showcase {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

.about-logo-img {
    width: 300px;
    height: 300px;
    object-fit: contain;
    border-radius: 24px;
    filter: drop-shadow(0 10px 40px rgba(0,191,255,0.2));
    animation: logoFloat 4s ease-in-out infinite;
}

@keyframes logoFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-12px); }
}

.about-text {
    font-size: 1.05rem;
    color: var(--color-text);
    margin-bottom: 16px;
    line-height: 1.8;
}

.about-highlights {
    margin-top: 32px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.about-highlight-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.highlight-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    background: rgba(0,191,255,0.08);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-cyan);
}

.about-highlight-item strong {
    display: block;
    font-size: 0.95rem;
    color: var(--color-navy);
    margin-bottom: 2px;
}

.about-highlight-item p {
    font-size: 0.88rem;
    color: var(--color-text-light);
    line-height: 1.6;
    margin: 0;
}

/* === SYSTEMS === */
.systems {
    padding: var(--section-padding);
    background: var(--bg-primary);
}

.system-card {
    display: grid;
    grid-template-columns: 380px 1fr;
    gap: 60px;
    align-items: center;
    background: var(--bg-white);
    border-radius: 24px;
    padding: 48px;
    margin-bottom: 40px;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--color-border);
    transition: all var(--transition-normal);
}

.system-card:hover {
    box-shadow: var(--shadow-xl);
    transform: translateY(-4px);
}

.system-card.reverse {
    grid-template-columns: 1fr 380px;
}

.system-card.reverse .system-card-visual {
    order: 2;
}

.system-card-visual {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.system-icon-wrapper {
    width: 140px;
    height: 140px;
    border-radius: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    box-shadow: var(--shadow-lg);
    transition: transform var(--transition-normal);
}

.system-card:hover .system-icon-wrapper {
    transform: scale(1.05) rotate(3deg);
}

.easyview-gradient { background: var(--gradient-easyview); }
.easyminio-gradient { background: var(--gradient-easyminio); }
.easyronda-gradient { background: var(--gradient-easyronda); }
.easyacesso-gradient { background: var(--gradient-easyacesso); }
.easydash-gradient { background: var(--gradient-easydash); }
.easyentrega-gradient { background: var(--gradient-easyentrega); }
.easyserver-gradient { background: var(--gradient-easyserver); }
.easycontroller-gradient { background: var(--gradient-easycontroller); }
.easyshop-gradient { background: var(--gradient-easyshop); }

.system-badge {
    font-family: var(--font-heading);
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--color-text-light);
    background: var(--bg-primary);
    padding: 8px 20px;
    border-radius: 50px;
}

.system-title {
    font-size: 2rem;
    font-weight: 800;
    color: var(--color-navy);
    margin-bottom: 4px;
}

.system-tagline {
    font-size: 1rem;
    color: var(--color-cyan);
    font-weight: 600;
    margin-bottom: 16px;
}

.system-description {
    font-size: 0.95rem;
    color: var(--color-text);
    line-height: 1.8;
    margin-bottom: 24px;
}

.system-features {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 24px;
}

.system-features li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    font-size: 0.9rem;
    line-height: 1.6;
}

.feature-icon {
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    background: rgba(0,191,255,0.08);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-cyan);
    margin-top: 2px;
}

.system-vs {
    background: linear-gradient(135deg, rgba(10,25,47,0.03) 0%, rgba(0,191,255,0.05) 100%);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: 16px 20px;
    display: flex;
    flex-wrap: wrap;
    gap: 6px 16px;
    align-items: center;
}

.btn-access {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.9rem;
    padding: 12px 26px;
    border-radius: 50px;
    background: var(--color-navy);
    color: #fff;
    margin-top: 18px;
    transition: all var(--transition-normal);
    box-shadow: 0 4px 12px rgba(10, 25, 47, 0.15);
    text-decoration: none;
}

.btn-access:hover {
    background: var(--color-cyan);
    color: var(--color-navy);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 191, 255, 0.3);
}

.vs-label {
    font-size: 0.82rem;
    color: var(--color-text-light);
    font-weight: 500;
}

.vs-price {
    font-family: var(--font-heading);
    font-size: 0.92rem;
    font-weight: 700;
    color: var(--color-navy);
}

.vs-source {
    font-size: 0.78rem;
    color: var(--color-text-light);
}

/* === DIFFERENTIALS === */
.differentials {
    padding: var(--section-padding);
    background: var(--bg-white);
}

.diff-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.diff-card {
    background: var(--bg-primary);
    border: 1px solid var(--color-border);
    border-radius: 20px;
    padding: 36px 28px;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

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

.diff-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
    border-color: rgba(0,191,255,0.2);
}

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

.diff-icon {
    width: 56px;
    height: 56px;
    background: rgba(0,191,255,0.08);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-cyan);
    margin-bottom: 20px;
    transition: all var(--transition-normal);
}

.diff-card:hover .diff-icon {
    background: var(--gradient-cyan);
    color: var(--color-navy);
}

.diff-card h4 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--color-navy);
}

.diff-card p {
    font-size: 0.88rem;
    color: var(--color-text-light);
    line-height: 1.7;
}

/* === CONTACT === */
.contact {
    padding: var(--section-padding);
    background: var(--bg-primary);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.1fr;
    gap: 80px;
    align-items: start;
}

.contact-text {
    font-size: 1.05rem;
    color: var(--color-text);
    line-height: 1.8;
    margin-bottom: 32px;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.contact-detail-item {
    display: flex;
    align-items: center;
    gap: 14px;
    font-size: 0.95rem;
    color: var(--color-text);
}

.contact-icon {
    width: 44px;
    height: 44px;
    background: rgba(0,191,255,0.08);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-cyan);
    flex-shrink: 0;
}

.contact-form-wrapper {
    background: var(--bg-white);
    border: 1px solid var(--color-border);
    border-radius: 24px;
    padding: 40px;
    box-shadow: var(--shadow-lg);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-navy);
    margin-bottom: 8px;
}

.required {
    color: #EF4444;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 14px 18px;
    border: 1.5px solid var(--color-border);
    border-radius: 12px;
    font-family: var(--font-body);
    font-size: 0.95rem;
    color: var(--color-navy);
    background: var(--bg-primary);
    transition: all var(--transition-fast);
    outline: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: #94A3B8;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--color-cyan);
    box-shadow: 0 0 0 3px rgba(0,191,255,0.1);
    background: var(--bg-white);
}

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

.form-group select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2364748B' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    padding-right: 44px;
}

.form-success {
    text-align: center;
    padding: 40px 20px;
}

.success-icon {
    color: var(--color-green);
    margin-bottom: 16px;
}

.form-success h3 {
    font-size: 1.4rem;
    margin-bottom: 8px;
}

.form-success p {
    color: var(--color-text-light);
}

/* === FOOTER === */
.footer {
    background: var(--color-navy);
    padding: 60px 0 0;
    color: rgba(255,255,255,0.7);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.3rem;
    color: #fff;
    margin-bottom: 16px;
}

.footer-description {
    font-size: 0.88rem;
    line-height: 1.7;
    color: rgba(255,255,255,0.5);
}

.footer-links h5 {
    font-family: var(--font-heading);
    font-size: 0.88rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: rgba(255,255,255,0.9);
    margin-bottom: 20px;
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-links a,
.footer-links li {
    font-size: 0.88rem;
    color: rgba(255,255,255,0.5);
    transition: color var(--transition-fast);
}

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

.footer-bottom {
    text-align: center;
    padding: 24px 0;
    font-size: 0.82rem;
    color: rgba(255,255,255,0.3);
}

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

@keyframes pulse {
    0%, 100% { box-shadow: 0 0 40px rgba(0,191,255,0.4); }
    50% { box-shadow: 0 0 60px rgba(0,191,255,0.6); }
}

@keyframes pulseRing {
    0% { opacity: 0.6; transform: translate(-50%, -50%) scale(0.8); }
    100% { opacity: 0; transform: translate(-50%, -50%) scale(1.2); }
}

@keyframes nodeFloat {
    0%, 100% { transform: translateY(0) scale(1); opacity: 0.7; }
    50% { transform: translateY(-12px) scale(1.2); opacity: 1; }
}

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

/* Scroll reveal */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

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

/* === RESPONSIVE === */
@media (max-width: 1024px) {
    .about-grid { grid-template-columns: 1fr; gap: 48px; }
    .about-visual { order: -1; }
    .synapse-animation { width: 280px; height: 280px; }
    .system-card,
    .system-card.reverse { grid-template-columns: 1fr; gap: 32px; }
    .system-card.reverse .system-card-visual { order: 0; }
    .system-card { padding: 36px; }
    .diff-grid { grid-template-columns: repeat(2, 1fr); }
    .contact-grid { grid-template-columns: 1fr; gap: 48px; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}

@media (max-width: 768px) {
    :root { --section-padding: 64px 0; }

    .navbar-toggle { display: flex; }

    .navbar-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--bg-white);
        flex-direction: column;
        padding: 16px 24px;
        gap: 4px;
        box-shadow: var(--shadow-lg);
        border-bottom: 2px solid var(--color-cyan);
    }

    .navbar-menu.active { display: flex; }

    .navbar-menu .nav-link {
        color: var(--color-text) !important;
        padding: 12px 16px;
        width: 100%;
    }

    .navbar-menu .nav-link-cta {
        color: var(--color-navy) !important;
        text-align: center;
    }

    .hero-content { padding: 100px 0 60px; }
    .hero-title { font-size: clamp(1.6rem, 6vw, 2.5rem); }
    .hero-subtitle { font-size: 1rem; }
    .hero-actions { flex-direction: column; }
    .hero-actions .btn { width: 100%; }

    .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
    .stat-number { font-size: 2rem; }

    .system-card { padding: 28px; border-radius: 18px; }
    .system-icon-wrapper { width: 100px; height: 100px; border-radius: 24px; }
    .system-icon-wrapper svg { width: 36px; height: 36px; }
    .system-title { font-size: 1.5rem; }

    .diff-grid { grid-template-columns: 1fr; }
    .diff-card { padding: 28px 24px; }

    .contact-form-wrapper { padding: 28px; }

    .footer-grid { grid-template-columns: 1fr; gap: 28px; }

    .synapse-animation { width: 220px; height: 220px; }
    .synapse-center { width: 60px; height: 60px; font-size: 1.5rem; }
}

@media (max-width: 480px) {
    .stats-grid { grid-template-columns: 1fr 1fr; }
    .hero-indicators { bottom: 60px; }
    .hero-scroll-hint { display: none; }
}