/* ============================================
   Dufengxun.com - Global Styles
   Apple-style minimalist with cool color palette
   ============================================ */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

:root {
    --color-bg-primary: #0a0e1a;
    --color-bg-secondary: #0f1421;
    --color-bg-tertiary: #161b2c;
    --color-surface: rgba(22, 27, 44, 0.6);
    --color-surface-elevated: rgba(28, 35, 56, 0.8);
    --color-border: rgba(100, 130, 180, 0.15);
    --color-border-hover: rgba(120, 180, 255, 0.4);
    --color-text-primary: #f5f8ff;
    --color-text-secondary: #a8b5cf;
    --color-text-tertiary: #6b7a99;
    --color-accent: #5b8def;
    --color-accent-light: #7fa9f5;
    --color-accent-dark: #3a6fd8;
    --color-cyan: #4fc3f7;
    --color-purple: #8b7fd8;
    --color-success: #4ade80;
    --color-warning: #fbbf24;
    --gradient-primary: linear-gradient(135deg, #5b8def 0%, #4fc3f7 50%, #8b7fd8 100%);
    --gradient-cool: linear-gradient(135deg, #1a2547 0%, #0f1421 100%);
    --gradient-card: linear-gradient(135deg, rgba(91, 141, 239, 0.08) 0%, rgba(79, 195, 247, 0.04) 100%);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.25);
    --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.35);
    --shadow-glow: 0 0 40px rgba(91, 141, 239, 0.2);
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.7s cubic-bezier(0.4, 0, 0.2, 1);
    --font-sans: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Inter", "Helvetica Neue", Arial, sans-serif;
    --font-mono: "SF Mono", "JetBrains Mono", "Consolas", monospace;
}

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

body {
    font-family: var(--font-sans);
    background-color: var(--color-bg-primary);
    color: var(--color-text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
    position: relative;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        radial-gradient(circle at 20% 20%, rgba(91, 141, 239, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 60%, rgba(79, 195, 247, 0.06) 0%, transparent 50%),
        radial-gradient(circle at 50% 80%, rgba(139, 127, 216, 0.05) 0%, transparent 50%);
    z-index: -2;
    animation: backgroundShift 20s ease-in-out infinite;
}

body::after {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        linear-gradient(rgba(91, 141, 239, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(91, 141, 239, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    z-index: -1;
    pointer-events: none;
}

@keyframes backgroundShift {
    0%, 100% { transform: scale(1) translate(0, 0); opacity: 1; }
    50% { transform: scale(1.05) translate(1%, -1%); opacity: 0.85; }
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    letter-spacing: -0.02em;
    color: var(--color-text-primary);
}

h1 { font-size: clamp(2.5rem, 5vw, 4.5rem); line-height: 1.1; }
h2 { font-size: clamp(2rem, 4vw, 3.2rem); line-height: 1.15; }
h3 { font-size: clamp(1.4rem, 2.5vw, 2rem); line-height: 1.25; }
h4 { font-size: clamp(1.1rem, 1.8vw, 1.4rem); line-height: 1.3; }

p {
    color: var(--color-text-secondary);
    font-size: 1rem;
    line-height: 1.7;
}

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

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

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

.container-narrow {
    max-width: 960px;
    margin: 0 auto;
    padding: 0 24px;
}

.container-wide {
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ============================================
   NAVIGATION
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 14, 26, 0.7);
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    border-bottom: 1px solid var(--color-border);
    transition: all var(--transition-base);
}

.navbar.scrolled {
    background: rgba(10, 14, 26, 0.9);
    box-shadow: var(--shadow-md);
}

.nav-container {
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 600;
    font-size: 1.05rem;
    color: var(--color-text-primary);
    letter-spacing: -0.01em;
}

.nav-logo svg {
    width: 32px;
    height: 32px;
    transition: transform var(--transition-base);
}

.nav-logo:hover svg { transform: rotate(15deg); }

.nav-menu {
    display: flex;
    align-items: center;
    gap: 8px;
    list-style: none;
}

.nav-link {
    padding: 8px 16px;
    color: var(--color-text-secondary);
    font-size: 0.92rem;
    font-weight: 500;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.nav-link:hover {
    color: var(--color-text-primary);
    background: rgba(91, 141, 239, 0.08);
}

.nav-link.active {
    color: var(--color-accent-light);
    background: rgba(91, 141, 239, 0.12);
}

.nav-cta {
    padding: 8px 18px;
    background: var(--gradient-primary);
    color: white;
    border-radius: 100px;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all var(--transition-fast);
    box-shadow: 0 4px 14px rgba(91, 141, 239, 0.3);
}

.nav-cta:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(91, 141, 239, 0.45);
    color: white;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 8px;
    background: transparent;
    border: none;
}

.nav-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--color-text-primary);
    border-radius: 2px;
    transition: all var(--transition-base);
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    font-size: 0.95rem;
    font-weight: 500;
    border-radius: 100px;
    border: none;
    cursor: pointer;
    text-decoration: none;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.btn svg { width: 18px; height: 18px; }

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 8px 24px rgba(91, 141, 239, 0.35);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 32px rgba(91, 141, 239, 0.5);
    color: white;
}

.btn-primary::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.6s;
}

.btn-primary:hover::after { left: 100%; }

.btn-secondary {
    background: transparent;
    color: var(--color-text-primary);
    border: 1px solid var(--color-border-hover);
}

.btn-secondary:hover {
    background: rgba(91, 141, 239, 0.1);
    border-color: var(--color-accent-light);
    transform: translateY(-2px);
    color: var(--color-text-primary);
}

.btn-ghost {
    background: transparent;
    color: var(--color-text-secondary);
    padding: 8px 16px;
}

.btn-ghost:hover {
    color: var(--color-text-primary);
    background: rgba(91, 141, 239, 0.08);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 0 80px;
    position: relative;
    overflow: hidden;
}

.hero-bg-image {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 90%;
    max-width: 1400px;
    height: auto;
    opacity: 0.35;
    z-index: 0;
    pointer-events: none;
    filter: blur(0.5px);
    animation: heroFloat 20s ease-in-out infinite;
}

@keyframes heroFloat {
    0%, 100% { transform: translate(-50%, -50%) scale(1); }
    50% { transform: translate(-50%, -52%) scale(1.02); }
}

.hero-bg-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.4;
    z-index: 0;
    pointer-events: none;
}

.hero-bg-orb.orb-1 {
    width: 500px;
    height: 500px;
    background: var(--color-accent);
    top: -100px;
    right: -100px;
    animation: float 12s ease-in-out infinite;
}

.hero-bg-orb.orb-2 {
    width: 400px;
    height: 400px;
    background: var(--color-cyan);
    bottom: -100px;
    left: -100px;
    animation: float 15s ease-in-out infinite reverse;
}

.hero-bg-orb.orb-3 {
    width: 300px;
    height: 300px;
    background: var(--color-purple);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: pulse 8s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(40px, -30px); }
}

@keyframes pulse {
    0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.3; }
    50% { transform: translate(-50%, -50%) scale(1.2); opacity: 0.5; }
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 980px;
    margin: 0 auto;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    background: rgba(91, 141, 239, 0.1);
    border: 1px solid var(--color-border-hover);
    border-radius: 100px;
    font-size: 0.85rem;
    color: var(--color-accent-light);
    margin-bottom: 32px;
    backdrop-filter: blur(10px);
    animation: fadeInUp 0.8s ease-out;
}

.hero-badge .pulse-dot {
    width: 6px;
    height: 6px;
    background: var(--color-success);
    border-radius: 50%;
    animation: pulseDot 2s ease-in-out infinite;
}

@keyframes pulseDot {
    0%, 100% { box-shadow: 0 0 0 0 rgba(74, 222, 128, 0.6); }
    50% { box-shadow: 0 0 0 8px rgba(74, 222, 128, 0); }
}

.hero-title {
    margin-bottom: 24px;
    animation: fadeInUp 0.8s ease-out 0.1s both;
}

.hero-title .gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: inline-block;
}

.hero-subtitle {
    font-size: clamp(1.05rem, 1.5vw, 1.25rem);
    color: var(--color-text-secondary);
    max-width: 720px;
    margin: 0 auto 40px;
    line-height: 1.7;
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.hero-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease-out 0.3s both;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 32px;
    max-width: 800px;
    margin: 80px auto 0;
    animation: fadeInUp 0.8s ease-out 0.4s both;
}

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

.hero-stat-value {
    font-size: clamp(1.8rem, 3vw, 2.5rem);
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 4px;
    letter-spacing: -0.02em;
}

.hero-stat-label {
    font-size: 0.85rem;
    color: var(--color-text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

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

/* ============================================
   SECTIONS
   ============================================ */
section {
    padding: 100px 0;
    position: relative;
}

.section-header {
    text-align: center;
    max-width: 720px;
    margin: 0 auto 64px;
}

.section-tag {
    display: inline-block;
    padding: 4px 14px;
    background: rgba(91, 141, 239, 0.1);
    color: var(--color-accent-light);
    font-size: 0.78rem;
    font-weight: 500;
    border-radius: 100px;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    margin-bottom: 16px;
    border: 1px solid rgba(91, 141, 239, 0.2);
}

.section-title { margin-bottom: 20px; }

.section-desc {
    font-size: 1.05rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
}

/* ============================================
   CARDS
   ============================================ */
.card-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    max-width: 1200px;
    margin: 0 auto;
}

@media (max-width: 900px) {
    .card-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 600px) {
    .card-grid {
        grid-template-columns: 1fr;
    }
}

.card {
    background: var(--gradient-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 32px;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-accent-light), transparent);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.card:hover {
    transform: translateY(-6px);
    border-color: var(--color-border-hover);
    box-shadow: var(--shadow-lg);
    background: linear-gradient(135deg, rgba(91, 141, 239, 0.12) 0%, rgba(79, 195, 247, 0.06) 100%);
}

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

.card-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    margin-bottom: 20px;
    box-shadow: 0 8px 20px rgba(91, 141, 239, 0.3);
    transition: transform var(--transition-base);
}

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

.card-icon svg {
    width: 28px;
    height: 28px;
    color: white;
}

.card-title {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--color-text-primary);
}

.card-desc {
    color: var(--color-text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
    max-width: 1200px;
    margin: 0 auto;
}

@media (max-width: 900px) {
    .feature-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 600px) {
    .feature-grid {
        grid-template-columns: 1fr;
    }
}

.feature-card {
    background: var(--gradient-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: 40px;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.feature-card::after {
    content: '';
    position: absolute;
    bottom: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(91, 141, 239, 0.08) 0%, transparent 60%);
    opacity: 0;
    transition: opacity var(--transition-slow);
    pointer-events: none;
}

.feature-card:hover::after { opacity: 1; }

.feature-card:hover {
    transform: translateY(-4px);
    border-color: var(--color-border-hover);
}

.feature-card h3 {
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.feature-card h3 .num {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--color-accent-light);
    background: rgba(91, 141, 239, 0.1);
    padding: 4px 10px;
    border-radius: 100px;
    border: 1px solid rgba(91, 141, 239, 0.2);
}

/* ============================================
   APP SHOWCASE
   ============================================ */
.apps-showcase {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    max-width: 1200px;
    margin: 0 auto;
}

@media (max-width: 900px) {
    .apps-showcase {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 600px) {
    .apps-showcase {
        grid-template-columns: 1fr;
    }
}

.apps-mockups {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

.apps-mockups > div {
    display: flex;
    align-items: center;
    justify-content: center;
}

.apps-mockups img {
    width: 100%;
    max-width: 280px;
    height: auto;
    transition: transform var(--transition-base);
}

.apps-mockups img:hover {
    transform: translateY(-8px) scale(1.02);
}

@media (max-width: 900px) {
    .apps-mockups {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .apps-mockups {
        grid-template-columns: 1fr;
    }
}

.app-card {
    background: var(--gradient-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 24px;
    transition: all var(--transition-base);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.app-card:hover {
    transform: translateY(-6px) scale(1.02);
    border-color: var(--color-border-hover);
    box-shadow: var(--shadow-lg);
}

.app-icon {
    width: 72px;
    height: 72px;
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 18px;
    position: relative;
    overflow: hidden;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.25);
}

.app-icon svg {
    width: 40px;
    height: 40px;
    color: white;
    z-index: 2;
}

.app-icon::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.2) 0%, transparent 50%);
}

.app-name {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: 6px;
}

.app-category {
    font-size: 0.78rem;
    color: var(--color-text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 12px;
}

.app-desc {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin-bottom: 16px;
}

.app-platforms {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.platform-tag {
    font-size: 0.72rem;
    padding: 3px 10px;
    background: rgba(91, 141, 239, 0.1);
    border: 1px solid rgba(91, 141, 239, 0.2);
    color: var(--color-accent-light);
    border-radius: 100px;
}

/* ============================================
   PHILOSOPHY / VALUES
   ============================================ */
.philosophy-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
    margin-top: 48px;
}

.philosophy-item {
    text-align: left;
    padding: 32px;
    background: var(--gradient-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    position: relative;
    transition: all var(--transition-base);
}

.philosophy-item:hover {
    border-color: var(--color-border-hover);
    transform: translateY(-4px);
}

.philosophy-item .quote {
    font-size: 1.3rem;
    font-weight: 500;
    color: var(--color-text-primary);
    margin-bottom: 16px;
    line-height: 1.4;
    font-style: italic;
}

.philosophy-item .quote::before {
    content: '"';
    font-size: 3rem;
    color: var(--color-accent);
    font-family: Georgia, serif;
    line-height: 0;
    vertical-align: -0.4em;
    margin-right: 4px;
}

.philosophy-item .label {
    font-size: 0.78rem;
    color: var(--color-accent-light);
    text-transform: uppercase;
    letter-spacing: 0.12em;
    font-weight: 500;
}

/* ============================================
   TIMELINE / UPDATES
   ============================================ */
.timeline {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
    padding-left: 60px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 20px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--color-accent), var(--color-cyan), transparent);
}

.timeline-item {
    position: relative;
    margin-bottom: 40px;
    padding: 24px 32px;
    background: var(--gradient-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.timeline-item:hover {
    border-color: var(--color-border-hover);
    transform: translateX(6px);
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -48px;
    top: 32px;
    width: 16px;
    height: 16px;
    background: var(--color-bg-primary);
    border: 3px solid var(--color-accent);
    border-radius: 50%;
    z-index: 2;
    box-shadow: 0 0 0 6px var(--color-bg-primary), 0 0 20px rgba(91, 141, 239, 0.4);
}

.timeline-date {
    font-size: 0.82rem;
    color: var(--color-accent-light);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 8px;
    font-weight: 500;
}

.timeline-title {
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: 8px;
}

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

/* ============================================
   CONTACT FORM
   ============================================ */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 48px;
    align-items: start;
}

.contact-info {
    padding: 32px;
    background: var(--gradient-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
}

.contact-info h3 { margin-bottom: 12px; }

.contact-info p {
    margin-bottom: 32px;
    font-size: 0.95rem;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 16px 0;
    border-bottom: 1px solid var(--color-border);
}

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

.contact-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(91, 141, 239, 0.1);
    border: 1px solid var(--color-border-hover);
    border-radius: 10px;
    flex-shrink: 0;
}

.contact-icon svg {
    width: 20px;
    height: 20px;
    color: var(--color-accent-light);
}

.contact-item-label {
    font-size: 0.78rem;
    color: var(--color-text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 4px;
}

.contact-item-value {
    color: var(--color-text-primary);
    font-size: 0.98rem;
    font-weight: 500;
}

.contact-item-value a { color: var(--color-text-primary); }

.contact-form {
    padding: 40px;
    background: var(--gradient-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 20px;
}

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

.form-group label {
    display: block;
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    margin-bottom: 8px;
    font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    background: rgba(10, 14, 26, 0.5);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text-primary);
    font-family: inherit;
    font-size: 0.95rem;
    transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-accent);
    background: rgba(91, 141, 239, 0.05);
    box-shadow: 0 0 0 4px rgba(91, 141, 239, 0.1);
}

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

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: var(--color-bg-secondary);
    border-top: 1px solid var(--color-border);
    padding: 64px 0 32px;
    position: relative;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr repeat(3, 1fr);
    gap: 48px;
    margin-bottom: 48px;
}

.footer-brand { max-width: 360px; }

.footer-brand .nav-logo { margin-bottom: 16px; }

.footer-brand p {
    font-size: 0.92rem;
    line-height: 1.7;
    color: var(--color-text-tertiary);
}

.footer-col h4 {
    font-size: 0.85rem;
    color: var(--color-text-primary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 18px;
    font-weight: 600;
}

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

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

.footer-col a {
    color: var(--color-text-tertiary);
    font-size: 0.9rem;
    transition: color var(--transition-fast);
}

.footer-col a:hover { color: var(--color-accent-light); }

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 32px;
    border-top: 1px solid var(--color-border);
    flex-wrap: wrap;
    gap: 16px;
}

.footer-copyright {
    font-size: 0.85rem;
    color: var(--color-text-tertiary);
}

.footer-legal {
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
}

.footer-legal a {
    font-size: 0.85rem;
    color: var(--color-text-tertiary);
}

.footer-legal a:hover { color: var(--color-accent-light); }

/* ============================================
   LEGAL PAGES
   ============================================ */
.legal-page {
    padding: 140px 0 80px;
}

.legal-container {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 24px;
}

.legal-header {
    text-align: center;
    margin-bottom: 60px;
    padding-bottom: 32px;
    border-bottom: 1px solid var(--color-border);
}

.legal-header h1 {
    margin-bottom: 12px;
    font-size: clamp(2rem, 4vw, 3rem);
}

.legal-header .meta {
    color: var(--color-text-tertiary);
    font-size: 0.9rem;
}

.legal-toc {
    background: var(--gradient-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 28px;
    margin-bottom: 48px;
    backdrop-filter: blur(10px);
}

.legal-toc h4 {
    margin-bottom: 16px;
    color: var(--color-text-primary);
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.legal-toc ol {
    margin-left: 20px;
    columns: 2;
    column-gap: 32px;
}

.legal-toc li {
    margin-bottom: 8px;
    break-inside: avoid;
}

.legal-toc a {
    color: var(--color-text-secondary);
    font-size: 0.88rem;
    transition: color var(--transition-fast);
}

.legal-toc a:hover { color: var(--color-accent-light); }

.legal-content {
    font-size: 0.96rem;
    line-height: 1.85;
    color: var(--color-text-secondary);
}

.legal-content h2 {
    font-size: 1.6rem;
    margin: 56px 0 20px;
    padding-top: 32px;
    border-top: 1px solid var(--color-border);
    color: var(--color-text-primary);
}

.legal-content h2:first-child {
    margin-top: 0;
    padding-top: 0;
    border-top: none;
}

.legal-content h3 {
    font-size: 1.2rem;
    margin: 32px 0 14px;
    color: var(--color-text-primary);
}

.legal-content h4 {
    font-size: 1.02rem;
    margin: 24px 0 10px;
    color: var(--color-accent-light);
}

.legal-content p {
    margin-bottom: 16px;
    color: var(--color-text-secondary);
}

.legal-content ul, .legal-content ol {
    margin: 14px 0 20px 24px;
    color: var(--color-text-secondary);
}

.legal-content li {
    margin-bottom: 8px;
    line-height: 1.7;
}

.legal-content strong {
    color: var(--color-text-primary);
    font-weight: 600;
}

.legal-content .highlight-box {
    background: rgba(91, 141, 239, 0.08);
    border-left: 3px solid var(--color-accent);
    padding: 16px 20px;
    margin: 20px 0;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.legal-content .highlight-box p {
    margin-bottom: 0;
    color: var(--color-text-primary);
}

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

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

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ============================================
   ACCESSIBILITY — Skip link
   ============================================ */
.skip-link {
    position: absolute;
    top: -100px;
    left: 16px;
    z-index: 10000;
    padding: 12px 20px;
    background: var(--color-accent);
    color: white;
    border-radius: 0 0 var(--radius-sm) var(--radius-sm);
    text-decoration: none;
    font-weight: 600;
    transition: top var(--transition-fast);
}

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

/* ============================================
   COOKIE CONSENT BANNER
   ============================================ */
.cookie-banner {
    position: fixed;
    bottom: -200px;
    left: 24px;
    right: 24px;
    z-index: 9000;
    max-width: 720px;
    margin: 0 auto;
    background: rgba(15, 20, 33, 0.95);
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    border: 1px solid var(--color-border-hover);
    border-radius: var(--radius-lg);
    padding: 20px 24px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    transition: bottom 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.cookie-banner.visible {
    bottom: 24px;
}

.cookie-banner-inner {
    display: flex;
    align-items: center;
    gap: 24px;
    flex-wrap: wrap;
}

.cookie-banner-text {
    flex: 1;
    min-width: 280px;
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
}

.cookie-banner-text strong {
    color: var(--color-text-primary);
    display: block;
    margin-bottom: 4px;
    font-size: 0.95rem;
}

.cookie-banner-text a {
    color: var(--color-accent-light);
    text-decoration: underline;
}

.cookie-banner-actions {
    display: flex;
    gap: 8px;
    flex-shrink: 0;
}

.cookie-btn {
    padding: 10px 20px;
    border: 1px solid var(--color-border-hover);
    background: transparent;
    color: var(--color-text-primary);
    border-radius: 100px;
    font-size: 0.88rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
    font-family: inherit;
}

.cookie-btn:hover {
    background: rgba(91, 141, 239, 0.1);
    border-color: var(--color-accent);
}

.cookie-btn-accept {
    background: var(--gradient-primary);
    color: white;
    border-color: transparent;
}

.cookie-btn-accept:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(91, 141, 239, 0.4);
    background: var(--gradient-primary);
}

@media (max-width: 640px) {
    .cookie-banner {
        left: 12px;
        right: 12px;
        padding: 16px;
    }
    .cookie-banner-inner {
        flex-direction: column;
        align-items: stretch;
    }
    .cookie-banner-actions {
        width: 100%;
    }
    .cookie-btn {
        flex: 1;
    }
}

/* ============================================
   404 PAGE
   ============================================================ */
.error-page {
    min-height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 140px 24px 80px;
    position: relative;
    overflow: hidden;
}

.error-code {
    font-size: clamp(6rem, 18vw, 12rem);
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: 16px;
    letter-spacing: -0.04em;
}

.error-title {
    margin-bottom: 16px;
    font-size: clamp(1.5rem, 3vw, 2.2rem);
}

.error-desc {
    color: var(--color-text-secondary);
    max-width: 480px;
    margin: 0 auto 32px;
    font-size: 1.05rem;
    line-height: 1.7;
}

.error-actions {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
}

/* ============================================
   PRINT STYLES
   ============================================================ */
@media print {
    .navbar, .footer, .hero-bg-orb, .hero-bg-image, .cookie-banner,
    .scroll-indicator, nav, button { display: none !important; }
    body { background: white; color: black; }
    h1, h2, h3, h4 { color: black !important; }
    .legal-content, p, li { color: #333 !important; }
    .legal-page { padding: 20px 0; }
    a { color: #5b8def; text-decoration: underline; }
}

.float-animation {
    animation: gentleFloat 6s ease-in-out infinite;
}

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

.rotate-slow {
    animation: rotateSlow 30s linear infinite;
}

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

.shimmer {
    position: relative;
    overflow: hidden;
}

.shimmer::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 50%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.08), transparent);
    animation: shimmer 3s infinite;
}

@keyframes shimmer {
    to { left: 150%; }
}

.scroll-indicator {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--color-text-tertiary);
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    animation: bounce 2s ease-in-out infinite;
}

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

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
    .contact-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 64px;
        left: 0;
        right: 0;
        background: rgba(10, 14, 26, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        align-items: stretch;
        padding: 24px;
        gap: 4px;
        transform: translateY(-100%);
        opacity: 0;
        pointer-events: none;
        transition: all var(--transition-base);
        border-bottom: 1px solid var(--color-border);
    }

    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        pointer-events: auto;
    }

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

    .nav-link {
        display: block;
        padding: 12px 16px;
        width: 100%;
    }

    .nav-toggle { display: flex; }

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

    .form-row { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; gap: 32px; }
    .legal-toc ol { columns: 1; }
    section { padding: 60px 0; }
    .hero { padding: 100px 0 60px; }
}

@media (max-width: 480px) {
    .container, .container-narrow, .container-wide { padding: 0 16px; }
    .hero-actions { flex-direction: column; width: 100%; }
    .hero-actions .btn { width: 100%; }
}

/* ============================================
   CUSTOM CURSOR (desktop only)
   ============================================ */
.cursor-dot,
.cursor-ring {
    position: fixed;
    top: 0;
    left: 0;
    pointer-events: none;
    z-index: 10000;
    will-change: transform;
    transition: opacity 0.2s;
}

.cursor-dot {
    width: 8px;
    height: 8px;
    background: var(--color-accent);
    border-radius: 50%;
    box-shadow: 0 0 12px var(--color-accent);
}

.cursor-ring {
    width: 40px;
    height: 40px;
    border: 1.5px solid var(--color-accent-light);
    border-radius: 50%;
    transition: width 0.25s, height 0.25s, border-color 0.25s, background 0.25s;
    background: rgba(91, 141, 239, 0.05);
}

.cursor-ring.cursor-hover {
    width: 60px;
    height: 60px;
    border-color: var(--color-cyan);
    background: rgba(79, 195, 247, 0.1);
}

body.has-custom-cursor,
body.has-custom-cursor * {
    cursor: none !important;
}

body.has-custom-cursor a,
body.has-custom-cursor button,
body.has-custom-cursor .card,
body.has-custom-cursor .app-card,
body.has-custom-cursor .feature-card {
    cursor: none !important;
}

@media (pointer: coarse) {
    .cursor-dot, .cursor-ring { display: none; }
    body.has-custom-cursor, body.has-custom-cursor * { cursor: auto !important; }
}

/* ============================================
   PAGE TRANSITIONS
   ============================================ */
body {
    opacity: 0;
    transition: opacity 0.3s ease-out;
}

body.page-loaded {
    opacity: 1;
}

body.page-leaving {
    opacity: 0;
    transition: opacity 0.25s ease-in;
}

@media (prefers-reduced-motion: reduce) {
    body { opacity: 1; transition: none; }
    body.page-leaving { opacity: 1; }
}