/* ============================================================
   Digital Dept — Corporate Site CSS
   Stack: Bootstrap 5.3 + Custom Design System
   Inspired by vivia.cloud aesthetic, unique DD identity
   ============================================================ */

/* ---------- Google Fonts ---------- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Sora:wght@300;400;500;600;700;800&display=swap');

/* ---------- Design Tokens ---------- */
:root {
    --dd-primary: #73efcc;
    --dd-primary-dark: #5cd4b3;
    --dd-primary-light: #a0f5de;
    --dd-primary-10: rgba(115, 239, 204, 0.10);
    --dd-primary-15: rgba(115, 239, 204, 0.15);
    --dd-primary-20: rgba(115, 239, 204, 0.20);
    --dd-dark: #090c16;
    --dd-dark-soft: #0f1320;
    --dd-dark-mid: #161b2e;
    --dd-gray-900: #1a1a2e;
    --dd-gray-600: #6b7280;
    --dd-gray-400: #9ca3af;
    --dd-gray-200: #e5e7eb;
    --dd-gray-100: #f3f4f6;
    --dd-light: #f7f8fc;
    --dd-white: #ffffff;
    --dd-accent: #a78bfa;
    --dd-accent-10: rgba(167, 139, 250, 0.10);
    --dd-gradient: linear-gradient(135deg, #73efcc 0%, #5cd4b3 50%, #48b89e 100%);
    --dd-hero-gradient: linear-gradient(160deg, #090c16 0%, #0f1320 50%, #0b1020 100%);
    --dd-radius: 16px;
    --dd-radius-lg: 24px;
    --dd-radius-xl: 32px;
    --dd-shadow: 0 8px 32px rgba(0,0,0,0.08);
    --dd-shadow-lg: 0 24px 64px rgba(0,0,0,0.12);
    --dd-shadow-glow: 0 0 60px rgba(115, 239, 204, 0.15);
    --dd-transition: cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

html {
    scroll-behavior: smooth;
    overflow-x: clip;
}
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: 1rem;
    font-weight: 400;
    line-height: 1.7;
    color: var(--dd-gray-900);
    background: var(--dd-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: clip;
    margin: 0;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Sora', sans-serif;
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: -0.03em;
    color: var(--dd-gray-900);
}

a {
    color: var(--dd-primary-dark);
    text-decoration: none;
    transition: color 0.3s var(--dd-transition);
}
a:hover { color: var(--dd-primary); }

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

section { overflow-x: clip; }

/* ---------- Utility ---------- */
.dd-section {
    padding: 120px 0;
}
.dd-section-sm {
    padding: 80px 0;
}
.dd-bg-dark { background: var(--dd-dark); color: #fff; }
.dd-bg-dark h1, .dd-bg-dark h2, .dd-bg-dark h3, .dd-bg-dark h4, .dd-bg-dark h5 { color: #fff; }
.dd-bg-dark-soft { background: var(--dd-dark-soft); color: #fff; }
.dd-bg-dark-soft h1, .dd-bg-dark-soft h2, .dd-bg-dark-soft h3, .dd-bg-dark-soft h4 { color: #fff; }
.dd-bg-light { background: var(--dd-light); }
.dd-bg-white { background: var(--dd-white); }

.dd-label {
    display: inline-block;
    font-family: 'Sora', sans-serif;
    font-size: 0.78rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--dd-primary);
    background: var(--dd-primary-10);
    padding: 6px 18px;
    border-radius: 100px;
    margin-bottom: 20px;
}
.dd-bg-dark .dd-label,
.dd-bg-dark-soft .dd-label {
    background: rgba(115, 239, 204, 0.12);
}

.dd-heading {
    font-size: clamp(2.2rem, 4vw, 3.5rem);
    font-weight: 800;
    margin-bottom: 20px;
    letter-spacing: -0.03em;
}

.dd-heading-sm {
    font-size: clamp(1.8rem, 3vw, 2.5rem);
    font-weight: 700;
    margin-bottom: 16px;
}

.dd-subtext {
    font-size: 1.15rem;
    color: var(--dd-gray-600);
    line-height: 1.75;
    max-width: 620px;
    font-weight: 300;
}
.dd-bg-dark .dd-subtext,
.dd-bg-dark-soft .dd-subtext {
    color: rgba(255,255,255,0.55);
}

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

/* ---------- Navbar ---------- */
.dd-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1050;
    padding: 20px 0;
    transition: all 0.4s ease;
}
.dd-nav.scrolled {
    background: rgba(9, 12, 22, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 12px 0;
    box-shadow: 0 4px 30px rgba(0,0,0,0.15);
}
.dd-nav-logo {
    height: 48px;
    transition: height 0.3s ease;
}
.dd-nav.scrolled .dd-nav-logo {
    height: 42px;
}
.dd-nav .nav-link {
    font-family: 'Sora', sans-serif;
    font-size: 0.9rem;
    font-weight: 500;
    color: rgba(255,255,255,0.7);
    padding: 8px 16px;
    border-radius: 8px;
    transition: all 0.2s ease;
    text-decoration: none;
}
.dd-nav .nav-link:hover,
.dd-nav .nav-link.active {
    color: #fff;
}
.dd-nav .nav-link.active {
    background: rgba(255,255,255,0.06);
}

/* Nav Light variant (for light pages) */
.dd-nav-light .nav-link {
    color: rgba(9, 12, 22, 0.6);
}
.dd-nav-light .nav-link:hover,
.dd-nav-light .nav-link.active {
    color: var(--dd-dark);
}
.dd-nav-light .nav-link.active {
    background: rgba(9, 12, 22, 0.04);
}

/* Dropdown */
.dd-dropdown { position: relative; display: inline-block; }
.dd-dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 240px;
    background: rgba(15, 19, 32, 0.98);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 14px;
    padding: 8px;
    margin-top: 8px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-4px);
    transition: all 0.2s ease;
    z-index: 1060;
    box-shadow: 0 20px 40px rgba(0,0,0,0.3);
}
.dd-dropdown:hover .dd-dropdown-menu,
.dd-dropdown:focus-within .dd-dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
.dd-dropdown-menu a {
    display: block;
    padding: 10px 14px;
    border-radius: 8px;
    color: rgba(255,255,255,0.75);
    font-size: 0.9rem;
    font-family: 'Inter', sans-serif;
    transition: all 0.15s ease;
    text-decoration: none;
}
.dd-dropdown-menu a:hover {
    background: var(--dd-primary-10);
    color: var(--dd-primary);
}

/* Hamburger */
.dd-nav-toggle {
    width: 40px;
    height: 40px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
    background: none;
    border: 1px solid rgba(255,255,255,0.15);
    border-radius: 10px;
    cursor: pointer;
    transition: border-color 0.2s;
}
.dd-nav-toggle:hover { border-color: var(--dd-primary); }
.dd-nav-toggle span {
    display: block;
    width: 18px;
    height: 2px;
    background: #fff;
    border-radius: 2px;
    transition: transform 0.3s, opacity 0.3s;
}
body.dd-menu-open .dd-nav-toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
body.dd-menu-open .dd-nav-toggle span:nth-child(2) { opacity: 0; }
body.dd-menu-open .dd-nav-toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile Menu */
.dd-mobile-menu {
    position: fixed;
    inset: 0;
    background: rgba(9, 12, 22, 0.97);
    backdrop-filter: blur(24px);
    z-index: 1040;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s ease;
    padding-top: 80px;
    overflow-y: auto;
}
body.dd-menu-open .dd-mobile-menu {
    opacity: 1;
    pointer-events: auto;
}
body.dd-menu-open { overflow: hidden; }

.dd-mobile-menu-inner {
    max-width: 480px;
    margin: 0 auto;
    padding: 2rem 1.5rem;
    display: flex;
    flex-direction: column;
}
.dd-mobile-link {
    display: block;
    color: #fff;
    text-decoration: none;
    font-family: 'Sora', sans-serif;
    font-size: 1.15rem;
    font-weight: 600;
    padding: 0.75rem 0;
    border-bottom: 1px solid rgba(255,255,255,0.06);
    transition: color 0.2s, padding-left 0.2s;
}
.dd-mobile-link:hover,
.dd-mobile-link.active {
    color: var(--dd-primary);
    padding-left: 8px;
}
.dd-mobile-link.sub {
    padding-left: 1.5rem;
    font-size: 0.95rem;
    font-weight: 500;
    opacity: 0.8;
}

/* ---------- Hero ---------- */
.dd-hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: var(--dd-hero-gradient);
    color: #fff;
    overflow: hidden;
    padding: 140px 0 100px;
}
.dd-hero::before {
    content: '';
    position: absolute;
    top: -30%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(115, 239, 204, 0.08) 0%, transparent 70%);
    pointer-events: none;
}
.dd-hero::after {
    content: '';
    position: absolute;
    bottom: -20%;
    left: -5%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(167, 139, 250, 0.06) 0%, transparent 70%);
    pointer-events: none;
}
.dd-hero h1, .dd-hero h2, .dd-hero h3 { color: #fff; }

.dd-hero-title {
    font-size: clamp(2.8rem, 5vw, 4.2rem);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.035em;
    margin-bottom: 24px;
}

.dd-hero-sub {
    font-size: 1.15rem;
    font-weight: 300;
    color: rgba(255,255,255,0.55);
    line-height: 1.8;
    max-width: 560px;
    margin-bottom: 40px;
}

.dd-hero-pills {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 40px;
}
.dd-hero-pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-family: 'Sora', sans-serif;
    font-size: 0.8rem;
    font-weight: 500;
    color: rgba(255,255,255,0.7);
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.08);
    padding: 8px 18px;
    border-radius: 100px;
    letter-spacing: 0.04em;
}
.dd-hero-pill i {
    color: var(--dd-primary);
    font-size: 1rem;
}

/* Hero Stats */
.dd-hero-stats {
    display: flex;
    gap: 48px;
    margin-top: 60px;
    padding-top: 40px;
    border-top: 1px solid rgba(255,255,255,0.08);
}
.dd-hero-stat-num {
    font-family: 'Sora', sans-serif;
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--dd-primary);
    line-height: 1;
    margin-bottom: 6px;
}
.dd-hero-stat-label {
    font-size: 0.85rem;
    color: rgba(255,255,255,0.4);
    font-weight: 400;
}

/* Hero Visual */
.dd-hero-visual {
    position: relative;
    min-height: 420px;
    padding: 20px;
}
.dd-hero-grid {
    position: absolute;
    inset: 0;
    background-image: radial-gradient(rgba(115, 239, 204, 0.12) 1px, transparent 1px);
    background-size: 28px 28px;
    mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
    opacity: 0.5;
}
.dd-hero-orb-1 {
    position: absolute;
    width: 300px;
    height: 300px;
    top: 10%;
    right: 10%;
    background: radial-gradient(circle, rgba(115, 239, 204, 0.20) 0%, transparent 70%);
    border-radius: 50%;
    filter: blur(60px);
    animation: ddOrbPulse 8s ease-in-out infinite;
}
.dd-hero-orb-2 {
    position: absolute;
    width: 250px;
    height: 250px;
    bottom: 10%;
    left: 5%;
    background: radial-gradient(circle, rgba(167, 139, 250, 0.15) 0%, transparent 70%);
    border-radius: 50%;
    filter: blur(60px);
    animation: ddOrbPulse 10s ease-in-out infinite reverse;
}

/* Hero floating cards */
.dd-hero-frame {
    position: relative;
    border-radius: 18px;
    overflow: hidden;
    box-shadow: 0 32px 80px rgba(0,0,0,0.4), 0 0 0 1px rgba(115, 239, 204, 0.15);
    animation: ddFloat 6s ease-in-out infinite;
    z-index: 2;
}
.dd-hero-frame img {
    display: block;
    width: 100%;
}
.dd-mini {
    position: absolute;
    background: rgba(15, 19, 32, 0.88);
    backdrop-filter: blur(16px);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 14px;
    padding: 16px 20px;
    z-index: 3;
    box-shadow: 0 16px 40px rgba(0,0,0,0.25);
}

/* ---------- Buttons ---------- */
.btn-dd {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: 'Sora', sans-serif;
    font-size: 0.92rem;
    font-weight: 600;
    padding: 14px 32px;
    border-radius: 100px;
    border: none;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.3s var(--dd-transition);
    letter-spacing: 0.01em;
}
.btn-dd:hover {
    transform: translateY(-2px);
}

.btn-dd-primary {
    background: var(--dd-gradient);
    color: var(--dd-dark);
}
.btn-dd-primary:hover {
    box-shadow: 0 12px 36px rgba(115, 239, 204, 0.3);
    color: var(--dd-dark);
}

.btn-dd-outline {
    background: transparent;
    color: #fff;
    border: 1.5px solid rgba(255,255,255,0.2);
}
.btn-dd-outline:hover {
    border-color: var(--dd-primary);
    color: var(--dd-primary);
    box-shadow: 0 8px 24px rgba(115, 239, 204, 0.1);
}

.btn-dd-dark {
    background: var(--dd-dark);
    color: #fff;
}
.btn-dd-dark:hover {
    background: var(--dd-dark-soft);
    color: var(--dd-primary);
    box-shadow: var(--dd-shadow);
}

.btn-dd-outline-dark {
    background: transparent;
    color: var(--dd-dark);
    border: 1.5px solid var(--dd-gray-200);
}
.btn-dd-outline-dark:hover {
    border-color: var(--dd-primary-dark);
    color: var(--dd-primary-dark);
}

.btn-dd-white {
    background: #fff;
    color: var(--dd-dark);
}
.btn-dd-white:hover {
    box-shadow: var(--dd-shadow-lg);
    color: var(--dd-dark);
}

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

/* ---------- Cards ---------- */
.dd-card {
    background: var(--dd-white);
    border: 1px solid var(--dd-gray-200);
    border-radius: var(--dd-radius-lg);
    padding: 40px 32px;
    transition: all 0.4s var(--dd-transition);
    position: relative;
    overflow: hidden;
}
.dd-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--dd-gradient);
    transform: scaleX(0);
    transition: transform 0.4s var(--dd-transition);
}
.dd-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--dd-shadow);
    border-color: transparent;
}
.dd-card:hover::after {
    transform: scaleX(1);
}

.dd-card-dark {
    background: var(--dd-dark-mid);
    border-color: rgba(255,255,255,0.06);
}
.dd-card-dark:hover {
    border-color: rgba(115, 239, 204, 0.15);
    box-shadow: var(--dd-shadow-glow);
}
.dd-card-dark h3, .dd-card-dark h4 { color: #fff; }
.dd-card-dark p { color: rgba(255,255,255,0.6); }

.dd-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--dd-primary-10);
    border-radius: 14px;
    margin-bottom: 20px;
    font-size: 1.4rem;
    color: var(--dd-primary);
    transition: all 0.3s ease;
}
.dd-card:hover .dd-icon {
    background: var(--dd-primary-20);
}
.dd-card-dark .dd-icon {
    background: rgba(115, 239, 204, 0.10);
}

/* ---------- Page Header ---------- */
.dd-page-header {
    padding: 160px 0 80px;
    background: var(--dd-hero-gradient);
    color: #fff;
    position: relative;
    overflow: hidden;
}
.dd-page-header::after {
    content: '';
    position: absolute;
    top: 20%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(115, 239, 204, 0.06) 0%, transparent 70%);
    pointer-events: none;
}
.dd-page-header h1, .dd-page-header h2 { color: #fff; }
.dd-page-header .dd-subtext { color: rgba(255,255,255,0.55); }

/* ---------- Steps ---------- */
.dd-step {
    position: relative;
    padding-left: 80px;
    margin-bottom: 48px;
}
.dd-step-num {
    position: absolute;
    left: 0;
    top: 0;
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--dd-primary-10);
    border-radius: 14px;
    font-family: 'Sora', sans-serif;
    font-size: 1.2rem;
    font-weight: 800;
    color: var(--dd-primary);
}
.dd-step h4 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 8px;
}
.dd-step p {
    color: var(--dd-gray-600);
    font-size: 0.95rem;
    margin: 0;
}

/* ---------- Portfolio ---------- */
.dd-portfolio-card {
    background: var(--dd-white);
    border: 1px solid var(--dd-gray-200);
    border-radius: var(--dd-radius-lg);
    overflow: hidden;
    transition: all 0.4s var(--dd-transition);
}
.dd-portfolio-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--dd-shadow-lg);
    border-color: transparent;
}
.dd-portfolio-img {
    position: relative;
    overflow: hidden;
    aspect-ratio: 16/10;
    background: var(--dd-gray-100);
}
.dd-portfolio-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s var(--dd-transition);
}
.dd-portfolio-card:hover .dd-portfolio-img img {
    transform: scale(1.05);
}
.dd-portfolio-body {
    padding: 28px 28px 32px;
}
.dd-portfolio-cat {
    font-family: 'Sora', sans-serif;
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--dd-primary-dark);
    margin-bottom: 8px;
}
.dd-portfolio-body h3 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 10px;
}
.dd-portfolio-body p {
    font-size: 0.9rem;
    color: var(--dd-gray-600);
    line-height: 1.6;
    margin-bottom: 16px;
}
.dd-portfolio-link {
    font-family: 'Sora', sans-serif;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--dd-primary-dark);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: gap 0.2s ease;
}
.dd-portfolio-link:hover {
    gap: 10px;
    color: var(--dd-primary);
}

/* Portfolio filters */
.dd-filter-btn {
    font-family: 'Sora', sans-serif;
    font-size: 0.82rem;
    font-weight: 600;
    padding: 8px 20px;
    border-radius: 100px;
    border: 1.5px solid var(--dd-gray-200);
    background: transparent;
    color: var(--dd-gray-600);
    cursor: pointer;
    transition: all 0.2s ease;
}
.dd-filter-btn:hover,
.dd-filter-btn.active {
    border-color: var(--dd-primary);
    background: var(--dd-primary-10);
    color: var(--dd-primary-dark);
}

/* ---------- Partners ---------- */
.dd-partner-grid {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 40px 56px;
}
.dd-partner-logo {
    height: 44px;
    opacity: 0.45;
    filter: grayscale(100%);
    transition: all 0.3s ease;
}
.dd-partner-logo:hover {
    opacity: 1;
    filter: grayscale(0%);
}

/* ---------- Product Cards ---------- */
.dd-product-card {
    background: var(--dd-dark-mid);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: var(--dd-radius-xl);
    padding: 48px 40px;
    transition: all 0.4s var(--dd-transition);
    position: relative;
    overflow: hidden;
}
.dd-product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--dd-gradient);
    opacity: 0;
    transition: opacity 0.3s ease;
}
.dd-product-card:hover {
    transform: translateY(-6px);
    border-color: rgba(115, 239, 204, 0.12);
    box-shadow: var(--dd-shadow-glow);
}
.dd-product-card:hover::before {
    opacity: 1;
}
.dd-product-card h3 { color: #fff; }
.dd-product-card p { color: rgba(255,255,255,0.6); line-height: 1.75; }
.dd-product-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--dd-primary-10);
    border-radius: 18px;
    margin-bottom: 24px;
    font-size: 1.6rem;
    color: var(--dd-primary);
}

/* ---------- CTA Section ---------- */
.dd-cta {
    background: var(--dd-hero-gradient);
    color: #fff;
    padding: 100px 0;
    position: relative;
    overflow: hidden;
    text-align: center;
}
.dd-cta::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 600px;
    height: 400px;
    background: radial-gradient(ellipse, rgba(115, 239, 204, 0.08), transparent 70%);
    pointer-events: none;
}
.dd-cta h2 { color: #fff; }
.dd-cta p { color: rgba(255,255,255,0.55); }

/* ---------- Footer ---------- */
.dd-footer {
    background: var(--dd-dark);
    color: rgba(255,255,255,0.5);
    padding: 80px 0 0;
}
.dd-footer h5, .dd-footer h6 {
    color: #fff;
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 20px;
}
.dd-footer a {
    color: rgba(255,255,255,0.5);
    font-size: 0.92rem;
    transition: color 0.2s ease;
    text-decoration: none;
}
.dd-footer a:hover {
    color: var(--dd-primary);
}
.dd-footer-logo {
    height: 44px;
    margin-bottom: 16px;
}
.dd-footer-text {
    font-size: 0.9rem;
    line-height: 1.7;
    max-width: 300px;
    color: rgba(255,255,255,0.4);
}
.dd-footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}
.dd-footer-links li {
    margin-bottom: 10px;
}
.dd-footer-bottom {
    margin-top: 60px;
    padding: 24px 0;
    border-top: 1px solid rgba(255,255,255,0.06);
    font-size: 0.82rem;
}
.dd-footer-brands {
    display: flex;
    gap: 24px;
    align-items: center;
}
.dd-footer-brands a {
    font-family: 'Sora', sans-serif;
    font-size: 0.82rem;
    font-weight: 600;
    color: rgba(255,255,255,0.35);
}
.dd-footer-brands a:hover {
    color: var(--dd-primary);
}

/* ---------- Forms ---------- */
.dd-form-control {
    width: 100%;
    padding: 14px 18px;
    font-family: 'Inter', sans-serif;
    font-size: 0.95rem;
    background: var(--dd-light);
    border: 1.5px solid var(--dd-gray-200);
    border-radius: 12px;
    color: var(--dd-gray-900);
    transition: all 0.2s ease;
    outline: none;
}
.dd-form-control:focus {
    border-color: var(--dd-primary);
    box-shadow: 0 0 0 4px var(--dd-primary-10);
    background: #fff;
}
.dd-form-control::placeholder {
    color: var(--dd-gray-400);
}
textarea.dd-form-control {
    min-height: 140px;
    resize: vertical;
}
.dd-form-label {
    display: block;
    font-family: 'Sora', sans-serif;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--dd-gray-900);
    margin-bottom: 8px;
}

/* ---------- Service Cards ---------- */
.dd-service-block {
    padding: 48px 0;
    border-bottom: 1px solid var(--dd-gray-200);
}
.dd-service-block:last-child {
    border-bottom: none;
}
.dd-service-tag {
    font-family: 'Sora', sans-serif;
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--dd-primary-dark);
    margin-bottom: 12px;
}
.dd-check-list {
    list-style: none;
    padding: 0;
    margin: 0;
}
.dd-check-list li {
    position: relative;
    padding-left: 28px;
    margin-bottom: 10px;
    font-size: 0.95rem;
    color: var(--dd-gray-600);
}
.dd-check-list li::before {
    content: '\ea5e';
    font-family: 'tabler-icons';
    position: absolute;
    left: 0;
    color: var(--dd-primary);
    font-size: 1.1rem;
}

/* ---------- Why DD ---------- */
.dd-reason {
    display: flex;
    gap: 20px;
    margin-bottom: 32px;
}
.dd-reason-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--dd-primary-10);
    border-radius: 12px;
    color: var(--dd-primary);
    font-size: 1.2rem;
}
.dd-reason h4 {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 6px;
}
.dd-reason p {
    font-size: 0.92rem;
    color: var(--dd-gray-600);
    margin: 0;
    line-height: 1.6;
}

/* ---------- Animations ---------- */
@keyframes ddFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-12px); }
}
@keyframes ddOrbPulse {
    0%, 100% { transform: scale(1); opacity: 0.7; }
    50% { transform: scale(1.15); opacity: 1; }
}
@keyframes ddFadeUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* AOS anti-jitter */
[data-aos] {
    will-change: transform, opacity;
}

/* ---------- Parallax Image Sections (Apple-style) ---------- */
.dd-parallax-section {
    position: relative;
    min-height: 70vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}
.dd-parallax-bg {
    position: absolute;
    inset: -20% 0;
    z-index: 0;
    will-change: transform;
}
.dd-parallax-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.dd-parallax-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(9,12,22,0.7) 0%, rgba(9,12,22,0.4) 50%, rgba(9,12,22,0.8) 100%);
    z-index: 1;
}
.dd-parallax-content {
    position: relative;
    z-index: 2;
    color: #fff;
}

/* ---------- Marquee (infinite horizontal scroll) ---------- */
.dd-marquee {
    overflow: hidden;
    padding: 32px 0;
    border-top: 1px solid var(--dd-gray-200);
    border-bottom: 1px solid var(--dd-gray-200);
}
.dd-bg-dark .dd-marquee,
.dd-bg-dark-soft .dd-marquee {
    border-color: rgba(255,255,255,0.06);
}
.dd-marquee-inner {
    display: flex;
    gap: 64px;
    animation: ddMarquee 30s linear infinite;
    width: max-content;
}
.dd-marquee-inner span {
    font-family: 'Sora', sans-serif;
    font-size: 1.3rem;
    font-weight: 700;
    color: rgba(115, 239, 204, 0.15);
    white-space: nowrap;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}
@keyframes ddMarquee {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

/* ---------- Shimmer / gradient sweep ---------- */
.dd-shimmer {
    position: relative;
    overflow: hidden;
}
.dd-shimmer::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(115, 239, 204, 0.06), transparent);
    animation: ddShimmer 3s ease-in-out infinite;
}
@keyframes ddShimmer {
    0% { left: -100%; }
    100% { left: 100%; }
}

/* ---------- Glow pulse on hover ---------- */
.dd-glow-hover {
    transition: box-shadow 0.4s ease;
}
.dd-glow-hover:hover {
    box-shadow: 0 0 40px rgba(115, 239, 204, 0.15), 0 0 80px rgba(115, 239, 204, 0.08);
}

/* ---------- Tilt card (3D perspective on hover) ---------- */
.dd-tilt {
    transition: transform 0.4s var(--dd-transition);
    transform-style: preserve-3d;
}
.dd-tilt:hover {
    transform: perspective(800px) rotateY(-3deg) rotateX(2deg) translateY(-6px);
}

/* ---------- Text reveal (word by word stagger) ---------- */
.dd-reveal-line {
    overflow: hidden;
}
.dd-reveal-line > span {
    display: inline-block;
    transform: translateY(100%);
    opacity: 0;
    transition: transform 0.7s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.7s ease;
}
.dd-reveal-line.revealed > span {
    transform: translateY(0);
    opacity: 1;
}

/* ---------- Counter animation ---------- */
.dd-counter {
    font-variant-numeric: tabular-nums;
}

/* ---------- Sticky horizontal scroll ---------- */
.dd-hscroll-container {
    position: relative;
    height: 300vh;
}
.dd-hscroll-sticky {
    position: sticky;
    top: 0;
    height: 100vh;
    overflow: hidden;
    display: flex;
    align-items: center;
}
.dd-hscroll-track {
    display: flex;
    gap: 32px;
    will-change: transform;
    transition: transform 0.1s linear;
}
.dd-hscroll-item {
    flex-shrink: 0;
    width: 400px;
}

/* ---------- Floating badges in hero ---------- */
.dd-float-badge {
    position: absolute;
    background: rgba(15, 19, 32, 0.88);
    backdrop-filter: blur(16px);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 14px;
    padding: 14px 20px;
    box-shadow: 0 16px 40px rgba(0,0,0,0.25);
    color: #fff;
    font-size: 0.88rem;
    z-index: 5;
}
.dd-float-badge.fb-1 {
    top: 10%;
    right: 5%;
    animation: ddFloatBadge1 7s ease-in-out infinite;
}
.dd-float-badge.fb-2 {
    bottom: 20%;
    right: 15%;
    animation: ddFloatBadge2 8s ease-in-out infinite;
}
.dd-float-badge.fb-3 {
    top: 40%;
    left: 0;
    animation: ddFloatBadge3 6s ease-in-out infinite;
}
@keyframes ddFloatBadge1 {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(-8px, -14px); }
}
@keyframes ddFloatBadge2 {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(10px, -10px); }
}
@keyframes ddFloatBadge3 {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(-6px, 12px); }
}
.dd-float-badge .fb-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: var(--dd-primary-15);
    border-radius: 8px;
    color: var(--dd-primary);
    margin-right: 10px;
    font-size: 1rem;
}
.dd-float-badge .fb-label {
    font-family: 'Sora', sans-serif;
    font-weight: 600;
    font-size: 0.82rem;
    color: rgba(255,255,255,0.7);
}
.dd-float-badge .fb-value {
    font-family: 'Sora', sans-serif;
    font-weight: 700;
    font-size: 1.1rem;
    color: #fff;
    display: block;
}

/* ---------- Progress line (scroll indicator) ---------- */
.dd-scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 3px;
    background: var(--dd-gradient);
    z-index: 9999;
    width: 0%;
    transition: width 0.1s linear;
}

/* ---------- Gradient text glow on dark bg ---------- */
.dd-text-glow {
    text-shadow: 0 0 40px rgba(115, 239, 204, 0.2), 0 0 80px rgba(115, 239, 204, 0.1);
}

/* ---------- Large image with zoom on scroll ---------- */
.dd-scroll-zoom {
    overflow: hidden;
    border-radius: var(--dd-radius-xl);
}
.dd-scroll-zoom img {
    width: 100%;
    display: block;
    transition: transform 0.1s linear;
    will-change: transform;
}

/* ---------- Divider glow line ---------- */
.dd-divider-glow {
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--dd-primary), transparent);
    opacity: 0.3;
    margin: 0 auto;
    max-width: 400px;
}

/* ---------- Stagger children animation ---------- */
.dd-stagger > * {
    opacity: 0;
    transform: translateY(24px);
}
.dd-stagger.revealed > *:nth-child(1) { animation: ddStaggerIn 0.6s 0.05s forwards; }
.dd-stagger.revealed > *:nth-child(2) { animation: ddStaggerIn 0.6s 0.12s forwards; }
.dd-stagger.revealed > *:nth-child(3) { animation: ddStaggerIn 0.6s 0.19s forwards; }
.dd-stagger.revealed > *:nth-child(4) { animation: ddStaggerIn 0.6s 0.26s forwards; }
.dd-stagger.revealed > *:nth-child(5) { animation: ddStaggerIn 0.6s 0.33s forwards; }
.dd-stagger.revealed > *:nth-child(6) { animation: ddStaggerIn 0.6s 0.40s forwards; }
.dd-stagger.revealed > *:nth-child(7) { animation: ddStaggerIn 0.6s 0.47s forwards; }
.dd-stagger.revealed > *:nth-child(8) { animation: ddStaggerIn 0.6s 0.54s forwards; }
@keyframes ddStaggerIn {
    to { opacity: 1; transform: translateY(0); }
}

/* ---------- Scale-in on scroll ---------- */
.dd-scale-in {
    opacity: 0;
    transform: scale(0.92);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}
.dd-scale-in.revealed {
    opacity: 1;
    transform: scale(1);
}

/* ---------- Clip reveal (Apple-style image entrance) ---------- */
.dd-clip-reveal {
    clip-path: inset(12% 12% 12% 12% round 24px);
    transition: clip-path 1s cubic-bezier(0.16, 1, 0.3, 1);
}
.dd-clip-reveal.revealed {
    clip-path: inset(0% 0% 0% 0% round 24px);
}

/* ---------- Blur-in text ---------- */
.dd-blur-in {
    opacity: 0;
    filter: blur(12px);
    transform: translateY(16px);
    transition: opacity 0.8s ease, filter 0.8s ease, transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}
.dd-blur-in.revealed {
    opacity: 1;
    filter: blur(0);
    transform: translateY(0);
}

/* ---------- Responsive ---------- */
@media (max-width: 991px) {
    .dd-section { padding: 80px 0; }
    .dd-hero { min-height: auto; padding: 120px 0 80px; }
    .dd-hero-visual { margin-top: 48px; min-height: 280px; }
    .dd-hero-stats { flex-wrap: wrap; gap: 32px; }
    .dd-page-header { padding: 120px 0 60px; }
    .dd-product-card { padding: 36px 28px; }
}

@media (max-width: 768px) {
    .dd-nav-logo { height: 40px; }
    .dd-hero-title { font-size: clamp(2.2rem, 6vw, 3rem); }
    .dd-hero-stats { gap: 24px; }
    .dd-hero-stat-num { font-size: 1.8rem; }
    .dd-card { padding: 32px 24px; }
    .dd-portfolio-body { padding: 20px 20px 24px; }
    .dd-partner-grid { gap: 28px 40px; }
    .dd-partner-logo { height: 36px; }
    .dd-footer { padding: 60px 0 0; }
}

@media (max-width: 576px) {
    .dd-section { padding: 64px 0; }
    .dd-hero { padding: 110px 0 64px; }
    .dd-hero-pills { gap: 8px; }
    .dd-hero-pill { font-size: 0.72rem; padding: 6px 14px; }
    .dd-step { padding-left: 64px; }
    .dd-step-num { width: 44px; height: 44px; font-size: 1rem; }
    .dd-heading { font-size: clamp(1.8rem, 5vw, 2.5rem); }
}