/* ============================================
   云海直播 - APP官网样式表
   域名: yunhaizhibo.net
   ============================================ */

/* --- CSS Variables --- */
:root {
    --primary: #4F46E5;
    --primary-light: #818CF8;
    --primary-dark: #3730A3;
    --accent: #F472B6;
    --accent-light: #F9A8D4;
    --gradient: linear-gradient(135deg, #4F46E5 0%, #7C3AED 50%, #EC4899 100%);
    --gradient-dark: linear-gradient(135deg, #1E1B4B 0%, #312E81 50%, #4C1D95 100%);
    --bg: #F8FAFC;
    --bg-white: #FFFFFF;
    --bg-dark: #0F172A;
    --bg-section: #F1F5F9;
    --text: #1E293B;
    --text-light: #64748B;
    --text-lighter: #94A3B8;
    --text-white: #F8FAFC;
    --border: #E2E8F0;
    --shadow: 0 4px 6px -1px rgba(0,0,0,.1), 0 2px 4px -2px rgba(0,0,0,.1);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,.1), 0 4px 6px -4px rgba(0,0,0,.1);
    --shadow-xl: 0 20px 25px -5px rgba(0,0,0,.1), 0 8px 10px -6px rgba(0,0,0,.1);
    --radius: 12px;
    --radius-lg: 20px;
    --radius-full: 9999px;
    --transition: all .3s ease;
    --max-width: 1200px;
    --header-h: 72px;
}

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

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB",
        "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif;
    color: var(--text);
    background: var(--bg);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

a { color: var(--primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--primary-dark); }

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

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.3;
    color: var(--text);
}
h1 { font-size: clamp(2rem, 5vw, 3.2rem); }
h2 { font-size: clamp(1.6rem, 4vw, 2.4rem); }
h3 { font-size: clamp(1.2rem, 3vw, 1.5rem); }

p { color: var(--text-light); line-height: 1.8; }

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

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    border-radius: var(--radius-full);
    font-size: 1rem;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    line-height: 1;
}

.btn-primary {
    background: var(--gradient);
    color: #fff;
    box-shadow: 0 4px 15px rgba(79,70,229,.4);
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(79,70,229,.5);
    color: #fff;
}

.btn-outline {
    background: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
}
.btn-outline:hover {
    background: var(--primary);
    color: #fff;
    transform: translateY(-2px);
}

.btn-white {
    background: #fff;
    color: var(--primary);
    box-shadow: var(--shadow);
}
.btn-white:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    color: var(--primary);
}

.btn-sm { padding: 10px 24px; font-size: .9rem; }
.btn-lg { padding: 18px 40px; font-size: 1.1rem; }

/* --- Header --- */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-h);
    background: rgba(255,255,255,.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    z-index: 1000;
    transition: var(--transition);
}

.header.scrolled {
    box-shadow: var(--shadow);
}

.header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--text);
    text-decoration: none;
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: var(--gradient);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 1.2rem;
}

.logo span {
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.nav a {
    padding: 8px 18px;
    border-radius: var(--radius-full);
    color: var(--text);
    font-weight: 500;
    font-size: .95rem;
    transition: var(--transition);
}
.nav a:hover, .nav a.active {
    color: var(--primary);
    background: rgba(79,70,229,.08);
}

.nav .btn { margin-left: 8px; }

.mobile-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    color: var(--text);
}

.mobile-toggle svg { width: 28px; height: 28px; }

/* --- Hero Section --- */
.hero {
    padding: calc(var(--header-h) + 80px) 0 100px;
    background: linear-gradient(180deg, #EEF2FF 0%, var(--bg) 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(79,70,229,.08) 0%, transparent 70%);
    border-radius: 50%;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(236,72,153,.06) 0%, transparent 70%);
    border-radius: 50%;
}

.hero .container {
    display: flex;
    align-items: center;
    gap: 60px;
    position: relative;
    z-index: 1;
}

.hero-content { flex: 1; max-width: 560px; }

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    background: rgba(79,70,229,.1);
    border-radius: var(--radius-full);
    color: var(--primary);
    font-size: .85rem;
    font-weight: 600;
    margin-bottom: 24px;
}

.hero-badge .dot {
    width: 8px;
    height: 8px;
    background: #10B981;
    border-radius: 50%;
    animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
    0%, 100% { opacity: 1; }
    50% { opacity: .4; }
}

.hero h1 {
    margin-bottom: 20px;
    letter-spacing: -.02em;
}

.hero h1 .gradient-text {
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero p {
    font-size: 1.15rem;
    margin-bottom: 36px;
    max-width: 480px;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    gap: 40px;
    margin-top: 48px;
    padding-top: 32px;
    border-top: 1px solid var(--border);
}

.hero-stat strong {
    display: block;
    font-size: 1.8rem;
    color: var(--text);
    font-weight: 800;
}

.hero-stat span {
    font-size: .85rem;
    color: var(--text-light);
}

.hero-visual {
    flex: 1;
    display: flex;
    justify-content: center;
    position: relative;
}

.phone-mockup {
    width: 300px;
    height: 600px;
    background: var(--gradient-dark);
    border-radius: 40px;
    border: 4px solid #1E293B;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-xl), 0 0 60px rgba(79,70,229,.2);
}

.phone-mockup::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 120px;
    height: 28px;
    background: #1E293B;
    border-radius: 0 0 16px 16px;
    z-index: 2;
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: #fff;
    padding: 40px 20px;
}

.phone-screen .live-icon {
    width: 60px;
    height: 60px;
    background: #EF4444;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 16px;
    animation: live-pulse 2s infinite;
}

@keyframes live-pulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(239,68,68,.6); }
    50% { box-shadow: 0 0 0 15px rgba(239,68,68,0); }
}

.phone-screen h3 {
    color: #fff;
    font-size: 1.2rem;
    margin-bottom: 8px;
}

.phone-screen p {
    color: rgba(255,255,255,.6);
    font-size: .85rem;
}

.floating-card {
    position: absolute;
    background: rgba(255,255,255,.95);
    backdrop-filter: blur(8px);
    border-radius: var(--radius);
    padding: 14px 18px;
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 10px;
    animation: float 6s ease-in-out infinite;
}

.floating-card-1 { top: 80px; left: -40px; animation-delay: 0s; }
.floating-card-2 { bottom: 120px; right: -40px; animation-delay: 2s; }

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

.floating-card .fc-icon {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
}

.floating-card .fc-icon.green { background: rgba(16,185,129,.15); color: #10B981; }
.floating-card .fc-icon.purple { background: rgba(79,70,229,.15); color: var(--primary); }

.floating-card .fc-text strong { display: block; font-size: .85rem; color: var(--text); }
.floating-card .fc-text span { font-size: .75rem; color: var(--text-light); }

/* --- Section Common --- */
.section { padding: 100px 0; }
.section-alt { background: var(--bg-section); }

.section-header {
    text-align: center;
    max-width: 640px;
    margin: 0 auto 60px;
}

.section-header .label {
    display: inline-block;
    padding: 4px 14px;
    background: rgba(79,70,229,.1);
    border-radius: var(--radius-full);
    color: var(--primary);
    font-size: .85rem;
    font-weight: 600;
    margin-bottom: 16px;
}

.section-header h2 { margin-bottom: 16px; }

.section-header p { font-size: 1.05rem; }

/* --- Feature Cards --- */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.feature-card {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    padding: 36px;
    border: 1px solid var(--border);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

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

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

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

.feature-icon {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 20px;
}

.feature-icon.blue { background: rgba(59,130,246,.12); color: #3B82F6; }
.feature-icon.purple { background: rgba(139,92,246,.12); color: #8B5CF6; }
.feature-icon.pink { background: rgba(236,72,153,.12); color: #EC4899; }
.feature-icon.green { background: rgba(16,185,129,.12); color: #10B981; }
.feature-icon.orange { background: rgba(245,158,11,.12); color: #F59E0B; }
.feature-icon.red { background: rgba(239,68,68,.12); color: #EF4444; }

.feature-card h3 { margin-bottom: 12px; }
.feature-card p { font-size: .95rem; }

/* --- Highlights Section --- */
.highlights {
    display: flex;
    align-items: center;
    gap: 80px;
}

.highlights-content { flex: 1; }
.highlights-visual { flex: 1; }

.highlights-content h2 { margin-bottom: 20px; }
.highlights-content > p { margin-bottom: 32px; font-size: 1.05rem; }

.highlight-list { list-style: none; display: flex; flex-direction: column; gap: 20px; }

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

.highlight-item .hi-icon {
    width: 44px;
    height: 44px;
    min-width: 44px;
    border-radius: 10px;
    background: rgba(79,70,229,.1);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

.highlight-item h4 { font-size: 1rem; margin-bottom: 4px; }
.highlight-item p { font-size: .9rem; }

.highlight-img {
    width: 100%;
    border-radius: var(--radius-lg);
    background: var(--gradient-dark);
    aspect-ratio: 4/3;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 3rem;
    box-shadow: var(--shadow-xl);
}

/* --- Stats Section --- */
.stats-section {
    background: var(--gradient-dark);
    padding: 80px 0;
    color: #fff;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    text-align: center;
}

.stat-item h3 {
    font-size: 2.8rem;
    font-weight: 800;
    color: #fff;
    margin-bottom: 8px;
}

.stat-item p {
    color: rgba(255,255,255,.7);
    font-size: .95rem;
}

/* --- Testimonials --- */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.testimonial-card {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    padding: 32px;
    border: 1px solid var(--border);
    transition: var(--transition);
}

.testimonial-card:hover {
    box-shadow: var(--shadow-lg);
}

.testimonial-stars {
    color: #F59E0B;
    font-size: 1rem;
    margin-bottom: 16px;
}

.testimonial-card blockquote {
    font-size: .95rem;
    color: var(--text-light);
    line-height: 1.7;
    margin-bottom: 20px;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 12px;
}

.testimonial-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-weight: 700;
    font-size: .9rem;
}

.testimonial-author strong {
    display: block;
    font-size: .9rem;
    color: var(--text);
}

.testimonial-author span {
    font-size: .8rem;
    color: var(--text-lighter);
}

/* --- CTA Section --- */
.cta-section {
    padding: 100px 0;
    background: var(--gradient-dark);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -20%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(236,72,153,.15) 0%, transparent 70%);
    border-radius: 50%;
}

.cta-section h2 {
    color: #fff;
    margin-bottom: 16px;
    position: relative;
}

.cta-section p {
    color: rgba(255,255,255,.7);
    font-size: 1.1rem;
    margin-bottom: 36px;
    position: relative;
}

.cta-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    position: relative;
}

/* --- Download Section --- */
.download-cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 28px;
    max-width: 800px;
    margin: 0 auto;
}

.download-card {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    padding: 40px;
    text-align: center;
    border: 1px solid var(--border);
    transition: var(--transition);
}

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

.download-card .dc-icon {
    width: 72px;
    height: 72px;
    margin: 0 auto 20px;
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
}

.download-card .dc-icon.ios {
    background: linear-gradient(135deg, #1E293B, #334155);
    color: #fff;
}

.download-card .dc-icon.android {
    background: linear-gradient(135deg, #10B981, #059669);
    color: #fff;
}

.download-card h3 { margin-bottom: 8px; }
.download-card p { font-size: .9rem; margin-bottom: 24px; }

/* --- Page Header (inner pages) --- */
.page-header {
    padding: calc(var(--header-h) + 60px) 0 60px;
    background: linear-gradient(180deg, #EEF2FF 0%, var(--bg) 100%);
    text-align: center;
}

.page-header h1 { margin-bottom: 16px; }
.page-header p { font-size: 1.1rem; max-width: 600px; margin: 0 auto; }

/* --- About Page --- */
.about-content {
    display: flex;
    gap: 60px;
    align-items: center;
}

.about-text { flex: 1; }
.about-text h2 { margin-bottom: 16px; }
.about-text p { margin-bottom: 16px; font-size: 1rem; }

.about-image {
    flex: 1;
    background: var(--gradient-dark);
    border-radius: var(--radius-lg);
    aspect-ratio: 4/3;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 4rem;
    box-shadow: var(--shadow-xl);
}

.timeline {
    max-width: 700px;
    margin: 0 auto;
}

.timeline-item {
    display: flex;
    gap: 24px;
    padding-bottom: 40px;
    position: relative;
}

.timeline-item:not(:last-child)::after {
    content: '';
    position: absolute;
    left: 19px;
    top: 48px;
    bottom: 0;
    width: 2px;
    background: var(--border);
}

.timeline-dot {
    width: 40px;
    height: 40px;
    min-width: 40px;
    border-radius: 50%;
    background: var(--gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-weight: 700;
    font-size: .8rem;
    position: relative;
    z-index: 1;
}

.timeline-item h3 { font-size: 1.1rem; margin-bottom: 4px; }
.timeline-item p { font-size: .9rem; }

/* --- Contact Page --- */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
}

.contact-info-list {
    display: flex;
    flex-direction: column;
    gap: 28px;
}

.contact-info-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.contact-info-item .ci-icon {
    width: 52px;
    height: 52px;
    min-width: 52px;
    border-radius: 14px;
    background: rgba(79,70,229,.1);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
}

.contact-info-item h4 { font-size: 1rem; margin-bottom: 4px; }
.contact-info-item p { font-size: .9rem; }

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

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

.form-group label {
    display: block;
    font-size: .9rem;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 8px;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: .95rem;
    color: var(--text);
    background: var(--bg);
    transition: var(--transition);
    font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(79,70,229,.15);
}

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

/* --- Help / FAQ --- */
.faq-list {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.faq-item {
    background: var(--bg-white);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    overflow: hidden;
    transition: var(--transition);
}

.faq-item.active {
    box-shadow: var(--shadow);
    border-color: var(--primary-light);
}

.faq-question {
    padding: 20px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    font-weight: 600;
    color: var(--text);
    background: none;
    border: none;
    width: 100%;
    text-align: left;
    font-size: 1rem;
    font-family: inherit;
}

.faq-question:hover { color: var(--primary); }

.faq-question .faq-toggle {
    width: 28px;
    height: 28px;
    min-width: 28px;
    border-radius: 50%;
    background: rgba(79,70,229,.1);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    font-size: 1.2rem;
}

.faq-item.active .faq-toggle { transform: rotate(45deg); }

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height .3s ease, padding .3s ease;
}

.faq-answer-inner {
    padding: 0 24px 20px;
    color: var(--text-light);
    font-size: .95rem;
    line-height: 1.8;
}

/* --- Legal Pages (privacy, terms) --- */
.legal-content {
    max-width: 800px;
    margin: 0 auto;
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    padding: 48px;
    border: 1px solid var(--border);
}

.legal-content h2 {
    margin-top: 36px;
    margin-bottom: 16px;
    font-size: 1.3rem;
}

.legal-content h2:first-child { margin-top: 0; }

.legal-content p {
    margin-bottom: 16px;
    font-size: .95rem;
    color: var(--text);
}

.legal-content ul {
    padding-left: 24px;
    margin-bottom: 16px;
}

.legal-content ul li {
    margin-bottom: 8px;
    color: var(--text-light);
    font-size: .95rem;
}

/* --- 404 Page --- */
.error-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: linear-gradient(180deg, #EEF2FF 0%, var(--bg) 100%);
    padding: 24px;
}

.error-code {
    font-size: 8rem;
    font-weight: 900;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: 16px;
}

.error-page h1 {
    font-size: 1.6rem;
    margin-bottom: 12px;
}

.error-page p {
    margin-bottom: 32px;
    font-size: 1.05rem;
}

/* --- Footer --- */
.footer {
    background: var(--bg-dark);
    color: rgba(255,255,255,.7);
    padding: 60px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
    padding-bottom: 48px;
    border-bottom: 1px solid rgba(255,255,255,.1);
}

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

.footer-brand .logo span {
    -webkit-text-fill-color: #fff;
}

.footer-brand p {
    color: rgba(255,255,255,.5);
    font-size: .9rem;
    max-width: 280px;
}

.footer-col h4 {
    color: #fff;
    font-size: .95rem;
    margin-bottom: 20px;
}

.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a {
    color: rgba(255,255,255,.5);
    font-size: .9rem;
    transition: var(--transition);
}

.footer-links a:hover { color: #fff; }

.footer-bottom {
    padding: 24px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: .85rem;
    color: rgba(255,255,255,.4);
}

.footer-bottom a { color: rgba(255,255,255,.4); }
.footer-bottom a:hover { color: #fff; }

/* --- Breadcrumb --- */
.breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: .85rem;
    color: var(--text-lighter);
    margin-bottom: 24px;
}

.breadcrumb a { color: var(--text-light); }
.breadcrumb a:hover { color: var(--primary); }

/* --- Responsive --- */
@media (max-width: 1024px) {
    .features-grid { grid-template-columns: repeat(2, 1fr); }
    .testimonials-grid { grid-template-columns: repeat(2, 1fr); }
    .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 32px; }
    .footer-grid { grid-template-columns: repeat(2, 1fr); }
    .highlights { flex-direction: column; gap: 48px; }
    .about-content { flex-direction: column; }
}

@media (max-width: 768px) {
    :root { --header-h: 64px; }

    .nav { display: none; }
    .nav.open {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: var(--header-h);
        left: 0;
        right: 0;
        background: var(--bg-white);
        padding: 16px 24px;
        border-bottom: 1px solid var(--border);
        box-shadow: var(--shadow-lg);
    }
    .nav.open .btn { margin-left: 0; margin-top: 8px; text-align: center; justify-content: center; }

    .mobile-toggle { display: block; }

    .hero .container { flex-direction: column; text-align: center; }
    .hero-content { max-width: 100%; }
    .hero p { max-width: 100%; margin-left: auto; margin-right: auto; }
    .hero-buttons { justify-content: center; }
    .hero-stats { justify-content: center; }
    .hero-visual { margin-top: 40px; }

    .phone-mockup { width: 240px; height: 480px; }
    .floating-card { display: none; }

    .features-grid { grid-template-columns: 1fr; }
    .testimonials-grid { grid-template-columns: 1fr; }
    .download-cards { grid-template-columns: 1fr; }
    .contact-grid { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: 1fr; text-align: center; }

    .footer-grid { grid-template-columns: 1fr; gap: 32px; }
    .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }

    .section { padding: 60px 0; }
    .cta-section { padding: 60px 0; }

    .legal-content { padding: 28px; }
}

@media (max-width: 480px) {
    .hero-stats { flex-direction: column; gap: 16px; align-items: center; }
    .btn { padding: 12px 24px; font-size: .9rem; }
    .btn-lg { padding: 14px 28px; font-size: 1rem; }
}

/* --- Animations --- */
.fade-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity .6s ease, transform .6s ease;
}

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

/* --- Utility --- */
.text-center { text-align: center; }
.text-gradient {
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.mt-40 { margin-top: 40px; }
.mb-40 { margin-bottom: 40px; }