/* ============================================================
   SHUYUCMS · Nubien 风格
   深色科技 · 紫色光晕 · 玻璃态卡片
   ============================================================ */

:root {
    --purple: #7C3AED;
    --purple-light: #9333EA;
    --purple-glow: rgba(124, 58, 237, 0.45);
    --purple-soft: rgba(124, 58, 237, 0.12);
    --blue-glow: rgba(59, 130, 246, 0.2);
    --bg: #030303;
    --bg-elevated: #0a0a0a;
    --bg-card: rgba(255, 255, 255, 0.04);
    --border: rgba(255, 255, 255, 0.08);
    --border-glow: rgba(124, 58, 237, 0.35);
    --text: #ffffff;
    --text-muted: rgba(255, 255, 255, 0.55);
    --text-dim: rgba(255, 255, 255, 0.35);
    --radius: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --header-h: 72px;
    --font: "PingFang SC", "Microsoft YaHei", "Inter", sans-serif;
}

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

html { scroll-behavior: smooth; }

body.shu-body {
    font-family: var(--font);
    font-size: 15px;
    line-height: 1.7;
    color: var(--text);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
    padding-top: var(--header-h);
}

a { color: inherit; text-decoration: none; transition: color 0.2s, opacity 0.2s; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ===== Header ===== */
.shu-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    height: var(--header-h);
    background: rgba(3, 3, 3, 0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
    transition: background 0.3s, box-shadow 0.3s;
}

.shu-header.scrolled {
    background: rgba(3, 3, 3, 0.96);
    box-shadow: 0 4px 30px rgba(124, 58, 237, 0.08);
}

.header-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
    padding: 12px 24px 0;
    gap: 16px;
}

.header-cta { flex-shrink: 0; padding: 10px 20px !important; font-size: 13px !important; }

.logo {
    font-size: 18px;
    font-weight: 800;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    background: linear-gradient(135deg, #fff 0%, var(--purple-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    flex-shrink: 0;
}

.nav-all {
    max-width: 1200px;
    margin: 0 auto;
    padding: 8px 24px 12px;
    overflow-x: auto;
    scrollbar-width: none;
}
.nav-all::-webkit-scrollbar { display: none; }

.nav-list {
    display: flex;
    align-items: center;
    gap: 4px;
    list-style: none;
    flex-wrap: nowrap;
    min-width: min-content;
}

.nav-list li a {
    display: block;
    padding: 8px 14px;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-muted);
    border-radius: 8px;
    white-space: nowrap;
    transition: color 0.2s, background 0.2s;
}

.nav-list li a:hover,
.nav-list li.active a {
    color: var(--text);
    background: var(--purple-soft);
}

.header-inner {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    height: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

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

.nav-left { justify-content: flex-start; }
.nav-right { justify-content: flex-end; }

.nav-left a, .nav-right a {
    padding: 8px 14px;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-muted);
    border-radius: 8px;
    transition: color 0.2s, background 0.2s;
}

.nav-left a:hover, .nav-right a:hover {
    color: var(--text);
    background: var(--purple-soft);
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}
.nav-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--text);
    margin: 5px 0;
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 28px;
    font-size: 14px;
    font-weight: 600;
    border-radius: 10px;
    border: none;
    cursor: pointer;
    transition: transform 0.25s, box-shadow 0.25s, background 0.25s;
}

.btn-primary, .btn-dark {
    background: linear-gradient(135deg, var(--purple) 0%, var(--purple-light) 100%);
    color: #fff;
    box-shadow: 0 4px 24px var(--purple-glow);
}
.btn-primary:hover, .btn-dark:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 32px var(--purple-glow);
    color: #fff;
}

.btn-outline {
    background: transparent;
    color: var(--text);
    border: 1px solid var(--border);
}
.btn-outline:hover {
    border-color: var(--border-glow);
    background: var(--purple-soft);
    color: var(--text);
}

.btn-square {
    width: 44px;
    height: 44px;
    padding: 0;
    border-radius: 10px;
    flex-shrink: 0;
}

.btn-arrow::after {
    content: '→';
    transition: transform 0.2s;
}
.btn:hover.btn-arrow::after { transform: translateX(3px); }

/* ===== Hero Nubien ===== */
.hero-nubien {
    position: relative;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: calc(var(--header-h) + 40px) 24px 120px;
    overflow: hidden;
}

.hero-glow {
    position: absolute;
    width: 800px;
    height: 800px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -40%);
    background: radial-gradient(circle, rgba(124, 58, 237, 0.25) 0%, transparent 65%);
    pointer-events: none;
    animation: shuPulse 6s ease-in-out infinite;
}

.hero-arc {
    position: absolute;
    bottom: -120px;
    left: 50%;
    transform: translateX(-50%);
    width: 140%;
    max-width: 900px;
    height: 400px;
    border-radius: 50%;
    background: radial-gradient(ellipse at center top, rgba(124, 58, 237, 0.5) 0%, rgba(124, 58, 237, 0.15) 40%, transparent 70%);
    filter: blur(40px);
    pointer-events: none;
}

.hero-arc-line {
    position: absolute;
    bottom: 80px;
    left: 50%;
    transform: translateX(-50%);
    width: min(600px, 90vw);
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--purple), transparent);
    box-shadow: 0 0 20px var(--purple-glow);
    opacity: 0.6;
}

@keyframes shuPulse {
    0%, 100% { opacity: 0.8; transform: translate(-50%, -40%) scale(1); }
    50% { opacity: 1; transform: translate(-50%, -40%) scale(1.05); }
}

.hero-nubien .hero-content { position: relative; z-index: 2; max-width: 820px; }

.hero-badge {
    display: inline-block;
    padding: 6px 16px;
    border-radius: 999px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--purple-light);
    background: var(--purple-soft);
    border: 1px solid var(--border-glow);
    margin-bottom: 28px;
}

.hero-nubien h1 {
    font-size: clamp(36px, 6vw, 72px);
    font-weight: 800;
    line-height: 1.08;
    letter-spacing: -0.03em;
    margin-bottom: 24px;
}

.gradient-text {
    background: linear-gradient(135deg, #c084fc 0%, var(--purple) 50%, #818cf8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-nubien .hero-desc {
    font-size: 17px;
    color: var(--text-muted);
    max-width: 560px;
    margin: 0 auto 36px;
    line-height: 1.8;
}

.hero-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; margin-bottom: 48px; }

.hero-nav-links {
    display: flex;
    gap: 32px;
    justify-content: center;
    flex-wrap: wrap;
    position: relative;
    z-index: 2;
    margin-top: 24px;
}

.hero-nav-links a {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-dim);
    transition: color 0.2s;
}
.hero-nav-links a:hover { color: var(--purple-light); }

/* ===== Stats ===== */
.stats-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1px;
    background: var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border);
    max-width: 720px;
    margin: 0 auto;
}

.stat-item {
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    padding: 28px 20px;
    text-align: center;
}

.stat-num {
    font-size: 36px;
    font-weight: 800;
    background: linear-gradient(135deg, #fff, var(--purple-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
}

.stat-label { font-size: 12px; color: var(--text-muted); margin-top: 8px; letter-spacing: 0.06em; }

/* ===== Section ===== */
.section { padding: 100px 0; position: relative; }
.section-dark { background: var(--bg-elevated); }

.section-label {
    display: inline-block;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--purple-light);
    margin-bottom: 16px;
}

.section-title {
    font-size: clamp(28px, 4vw, 44px);
    font-weight: 800;
    line-height: 1.2;
    letter-spacing: -0.02em;
    margin-bottom: 16px;
}

.section-desc {
    font-size: 16px;
    color: var(--text-muted);
    max-width: 520px;
    line-height: 1.8;
}

.section-header { text-align: center; margin-bottom: 56px; }
.section-header .section-desc { margin: 0 auto; }

/* ===== Glass Cards ===== */
.glass-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 20px;
}

.glass-card {
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 32px 28px;
    transition: transform 0.3s, border-color 0.3s, box-shadow 0.3s;
    position: relative;
    overflow: hidden;
}

.glass-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at top right, var(--purple-soft), transparent 60%);
    opacity: 0;
    transition: opacity 0.3s;
}

.glass-card:hover {
    transform: translateY(-4px);
    border-color: var(--border-glow);
    box-shadow: 0 8px 40px rgba(124, 58, 237, 0.15);
}
.glass-card:hover::before { opacity: 1; }

.glass-card-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: var(--purple-soft);
    border: 1px solid var(--border-glow);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: var(--purple-light);
    margin-bottom: 20px;
    position: relative;
    z-index: 1;
}

.glass-card h3 {
    font-size: 17px;
    font-weight: 700;
    margin-bottom: 10px;
    position: relative;
    z-index: 1;
}

.glass-card p {
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 20px;
    line-height: 1.7;
    position: relative;
    z-index: 1;
}

/* ===== Feature split (reuse) ===== */
.feature-split {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 48px;
    align-items: start;
}

.feature-cards { display: flex; flex-direction: column; gap: 12px; }

.feature-card {
    display: grid;
    grid-template-columns: 1fr auto auto;
    gap: 20px;
    align-items: center;
    padding: 24px 28px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    transition: border-color 0.3s, box-shadow 0.3s;
}

.feature-card:hover {
    border-color: var(--border-glow);
    box-shadow: 0 4px 24px rgba(124, 58, 237, 0.12);
}

.feature-card h3 { font-size: 15px; font-weight: 600; }

.feature-card-thumb {
    width: 64px;
    height: 64px;
    border-radius: 10px;
    overflow: hidden;
    opacity: 0.85;
}
.feature-card-thumb img { width: 100%; height: 100%; object-fit: cover; }

.thumb-row { display: flex; gap: 12px; margin-top: 32px; }
.thumb {
    width: 100px;
    height: 100px;
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--border);
    opacity: 0.7;
}
.thumb img { width: 100%; height: 100%; object-fit: cover; }

/* ===== Overview ===== */
.overview-split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
}

.overview-image {
    border-radius: var(--radius-xl);
    overflow: hidden;
    border: 1px solid var(--border);
    aspect-ratio: 4/5;
    max-height: 520px;
}
.overview-image img { width: 100%; height: 100%; object-fit: cover; }

.nested-card {
    display: grid;
    grid-template-columns: 120px 1fr;
    gap: 20px;
    padding: 24px;
    background: var(--bg-card);
    border: 1px solid var(--border-glow);
    border-radius: var(--radius-lg);
    margin-top: 32px;
    box-shadow: 0 0 40px rgba(124, 58, 237, 0.08);
}

.nested-card-img { border-radius: var(--radius); overflow: hidden; aspect-ratio: 1; }
.nested-card-img img { width: 100%; height: 100%; object-fit: cover; }

/* ===== Portfolio / Carousel ===== */
.carousel-section { overflow: hidden; }

.carousel-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 40px;
    gap: 24px;
}

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

.carousel-counter {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-muted);
    font-variant-numeric: tabular-nums;
}

.carousel-track {
    display: flex;
    gap: 20px;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    scrollbar-width: none;
    padding-bottom: 8px;
}
.carousel-track::-webkit-scrollbar { display: none; }

.carousel-card, .portfolio-card {
    flex: 0 0 min(320px, 85vw);
    scroll-snap-align: start;
    border-radius: var(--radius-lg);
    overflow: hidden;
    position: relative;
    aspect-ratio: 4/5;
    border: 1px solid var(--border);
    background: var(--bg-card);
    transition: border-color 0.3s, transform 0.3s;
}

.carousel-card:hover, .portfolio-card:hover {
    border-color: var(--border-glow);
    transform: translateY(-4px);
}

.carousel-card img, .portfolio-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.85;
}

.carousel-card-caption, .portfolio-card-caption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 24px;
    background: linear-gradient(transparent, rgba(0,0,0,0.85));
}

.carousel-card-caption h4, .portfolio-card-caption h4 {
    font-size: 15px;
    font-weight: 600;
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

/* ===== FAQ ===== */
.faq-list { max-width: 760px; margin: 0 auto; }

.faq-item {
    padding: 24px 28px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    margin-bottom: 10px;
    transition: border-color 0.25s, box-shadow 0.25s;
}

.faq-item:hover, .faq-item.active {
    border-color: var(--border-glow);
    box-shadow: 0 0 24px rgba(124, 58, 237, 0.1);
}

.faq-item h4 { font-size: 15px; font-weight: 600; margin-bottom: 8px; }
.faq-item p { margin: 0; color: var(--text-muted); font-size: 14px; line-height: 1.8; }

/* ===== VIP Panel ===== */
.vip-panel {
    background: linear-gradient(135deg, rgba(124,58,237,0.15) 0%, rgba(3,3,3,0.8) 100%);
    border: 1px solid var(--border-glow);
    border-radius: var(--radius-xl);
    padding: 48px;
    box-shadow: 0 0 60px rgba(124, 58, 237, 0.12);
}

.vip-list { list-style: none; margin: 24px 0 32px; }
.vip-list li {
    padding: 14px 0 14px 28px;
    position: relative;
    border-bottom: 1px solid var(--border);
    font-size: 15px;
    color: var(--text-muted);
}
.vip-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--purple-light);
    font-weight: 700;
}

/* ===== Package ===== */
.package-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }

.package-card {
    padding: 40px 28px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    text-align: center;
    position: relative;
    transition: transform 0.3s, border-color 0.3s, box-shadow 0.3s;
}

.package-card:hover {
    transform: translateY(-4px);
    border-color: var(--border-glow);
    box-shadow: 0 8px 40px rgba(124, 58, 237, 0.12);
}

.package-card.featured {
    border-color: var(--purple);
    box-shadow: 0 0 0 1px var(--purple), 0 8px 40px rgba(124, 58, 237, 0.2);
}

.package-card.featured::before {
    content: '推荐';
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--purple), var(--purple-light));
    color: #fff;
    font-size: 11px;
    font-weight: 700;
    padding: 4px 16px;
    border-radius: 999px;
}

.package-card h3 { font-size: 20px; margin-bottom: 12px; }
.package-card p { color: var(--text-muted); font-size: 14px; margin-bottom: 24px; }

/* ===== Contact ===== */
.contact-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-bottom: 48px; }

.contact-card {
    padding: 32px 24px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    text-align: center;
    transition: border-color 0.3s;
}
.contact-card:hover { border-color: var(--border-glow); }
.contact-card .icon { font-size: 28px; color: var(--purple-light); margin-bottom: 16px; }
.contact-card h4 { font-size: 16px; margin-bottom: 8px; }
.contact-card p { font-size: 14px; color: var(--text-muted); }

.form-panel {
    max-width: 640px;
    margin: 0 auto;
    padding: 48px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    backdrop-filter: blur(12px);
}

.form-panel h3 { text-align: center; font-size: 24px; margin-bottom: 8px; }
.form-panel .form-sub { text-align: center; color: var(--text-muted); font-size: 14px; margin-bottom: 28px; }
.consult-iframe { width: 100%; border: none; min-height: 420px; background: transparent; }

/* ===== Page inner ===== */
.page-hero {
    padding: calc(var(--header-h) + 64px) 0 72px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 600px;
    height: 300px;
    background: radial-gradient(circle, rgba(124,58,237,0.2), transparent 70%);
    pointer-events: none;
}

.page-hero .container { position: relative; z-index: 1; }
.page-hero h1 { font-size: clamp(32px, 4vw, 52px); font-weight: 800; margin-bottom: 16px; }
.page-hero p { color: var(--text-muted); max-width: 560px; margin: 0 auto; }

.page-content { padding: 80px 0 100px; }

.content-body { max-width: 760px; margin: 0 auto; }
.content-body h3 {
    font-size: 20px;
    margin: 36px 0 14px;
    padding-left: 14px;
    border-left: 3px solid var(--purple);
}
.content-body p, .content-body li { color: var(--text-muted); line-height: 1.85; }
.content-body ul { padding-left: 20px; margin-bottom: 16px; }

/* ===== CTA Band ===== */
.cta-band {
    margin: 0 24px 100px;
    border-radius: var(--radius-xl);
    overflow: hidden;
    position: relative;
    min-height: 320px;
    border: 1px solid var(--border-glow);
}

.cta-band-glow {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at center, rgba(124,58,237,0.35) 0%, transparent 60%),
        var(--bg-elevated);
}

.cta-band-overlay {
    position: relative;
    z-index: 1;
    padding: 80px 48px;
    text-align: center;
}

.cta-band-overlay h2 {
    font-size: clamp(28px, 3vw, 40px);
    font-weight: 800;
    margin-bottom: 16px;
}

.cta-band-overlay p {
    color: var(--text-muted);
    margin-bottom: 28px;
    max-width: 480px;
    margin-left: auto;
    margin-right: auto;
}

/* ===== Footer ===== */
.shu-footer {
    border-top: 1px solid var(--border);
    padding: 64px 0 32px;
    background: var(--bg-elevated);
    position: relative;
    overflow: hidden;
}

.shu-footer::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 600px;
    height: 200px;
    background: radial-gradient(circle, rgba(124,58,237,0.08), transparent 70%);
    pointer-events: none;
}

.footer-services {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    margin-bottom: 40px;
}

.footer-services h5 {
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-dim);
    margin-bottom: 16px;
}

.footer-services ul { list-style: none; }
.footer-services li { margin-bottom: 8px; }
.footer-services a { font-size: 14px; color: var(--text-muted); }
.footer-services a:hover { color: var(--purple-light); }

.footer-links {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 8px 28px;
    list-style: none;
    margin-bottom: 40px;
}
.footer-links a { font-size: 14px; color: var(--text-muted); }
.footer-links a:hover { color: var(--purple-light); }

.footer-watermark {
    font-size: clamp(60px, 12vw, 140px);
    font-weight: 900;
    text-align: center;
    color: rgba(255,255,255,0.03);
    line-height: 0.85;
    letter-spacing: -0.04em;
    user-select: none;
    margin-bottom: -16px;
}

.footer-bottom {
    text-align: center;
    font-size: 13px;
    color: var(--text-dim);
    position: relative;
    z-index: 1;
}

/* ===== Float / Modal ===== */
.float-actions {
    position: fixed;
    right: 20px;
    bottom: 32px;
    z-index: 900;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.float-btn {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--text);
    cursor: pointer;
    font-size: 11px;
    writing-mode: vertical-rl;
    letter-spacing: 2px;
    transition: transform 0.2s, border-color 0.2s, box-shadow 0.2s;
}

.float-btn:hover {
    transform: scale(1.06);
    border-color: var(--border-glow);
    box-shadow: 0 4px 20px var(--purple-glow);
}

.float-btn.accent {
    background: linear-gradient(135deg, var(--purple), var(--purple-light));
    border-color: transparent;
}

.modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.75);
    backdrop-filter: blur(8px);
    z-index: 2000;
    align-items: center;
    justify-content: center;
    padding: 20px;
}
.modal-overlay.show { display: flex; }

.modal-box {
    background: #111;
    border: 1px solid var(--border-glow);
    border-radius: var(--radius-xl);
    max-width: 440px;
    width: 100%;
    padding: 40px;
    text-align: center;
    box-shadow: 0 0 60px rgba(124, 58, 237, 0.2);
}

.modal-box h3 { font-size: 20px; margin-bottom: 12px; }
.modal-box p { color: var(--text-muted); margin-bottom: 24px; font-size: 14px; }
.modal-actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

.modal-close {
    position: absolute;
    top: 16px;
    right: 20px;
    background: none;
    border: none;
    font-size: 22px;
    cursor: pointer;
    color: var(--text-muted);
}

/* ===== Case tabs ===== */
.case-tabs { display: flex; justify-content: center; gap: 8px; flex-wrap: wrap; margin-bottom: 40px; }
.case-tab {
    padding: 8px 18px;
    border-radius: 999px;
    font-size: 13px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--text-muted);
}
.case-tab.active {
    background: var(--purple-soft);
    border-color: var(--border-glow);
    color: var(--purple-light);
}

.case-grid .case-img {
    height: 180px;
    border-radius: var(--radius);
    overflow: hidden;
    margin-bottom: 16px;
    border: 1px solid var(--border);
}

/* ===== Diyform ===== */
.diyform-wrap .form-control {
    background: rgba(255,255,255,0.05);
    border: 1px solid var(--border);
    color: var(--text);
    border-radius: var(--radius);
}
.diyform-wrap .control-label { color: var(--text-muted); }

/* ===== Animations ===== */
.fade-in {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}
.fade-in.visible { opacity: 1; transform: none; }

.italic { font-style: italic; }

/* ===== Responsive ===== */
@media (max-width: 992px) {
    .glass-grid, .portfolio-grid, .package-grid { grid-template-columns: 1fr; }
    .feature-split, .overview-split { grid-template-columns: 1fr; }
    .footer-services { grid-template-columns: 1fr 1fr; }
    .header-inner { grid-template-columns: auto 1fr auto; }
    .nav-left { display: none; }
}

@media (max-width: 768px) {
    body.shu-body { padding-top: var(--header-h); }
    .header-inner { padding: 0 16px; position: relative; }
    .nav-toggle { display: block; }
    .nav-right {
        display: none;
        position: absolute;
        top: calc(var(--header-h) - 8px);
        left: 0;
        right: 0;
        flex-direction: column;
        align-items: stretch;
        background: rgba(10, 10, 10, 0.98);
        backdrop-filter: blur(16px);
        -webkit-backdrop-filter: blur(16px);
        border-radius: var(--radius-lg);
        padding: 16px;
        border: 1px solid var(--border);
        box-shadow: 0 12px 40px rgba(0, 0, 0, 0.45);
        z-index: 1001;
    }
    .nav-right.open { display: flex; }
    .nav-right li a { padding: 12px 8px; }
    .stats-row { grid-template-columns: 1fr; }
    .hero-nubien h1 { font-size: 32px; }
    .hero-actions { flex-direction: column; align-items: center; }
    .hero-actions .btn { width: 100%; max-width: 280px; }
    .contact-grid { grid-template-columns: 1fr; }
    .footer-services { grid-template-columns: 1fr; }
    .cta-band { margin: 0 16px 80px; }
    .feature-card { grid-template-columns: 1fr; }
    .nested-card { grid-template-columns: 1fr; }
}