:root {
    --primary: #00f2ff;
    --secondary: #7000ff;
    --accent: #ff00c8;
    --bg-dark: #050505;
    --bg-light: #f8fafc;
    --text-dark: #0f172a;
    --text-light: #f1f5f9;
    --card-border: rgba(255, 255, 255, 0.1);
    --transition: all 0.4s cubic-bezier(0.23, 1, 0.32, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    cursor: none; /* Custom cursor */
}

html {
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
    text-size-adjust: 100%;
}

/* body updated for fullpage scroll-jacking */
body {
    font-family: 'Plus Jakarta Sans', 'Noto Sans SC', sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-light);
    font-size: 1rem;
    line-height: 1.6;
    overflow-x: hidden;
    width: 100%;
}

body.modal-open,
body.modal-open * {
    cursor: auto !important;
}

body.modal-open .cursor,
body.modal-open .cursor-follower {
    opacity: 0;
}

body.snap-mode {
    overflow: hidden; /* Prevent native scroll */
    height: 100vh;
    position: fixed; /* Fix body in place */
}

body.is-loading #smooth-wrapper {
    filter: blur(10px);
    opacity: 0.25;
}

body.snap-mode #smooth-wrapper {
    height: 100vh;
    width: 100%;
    overflow: hidden;
    position: relative;
}

body:not(.snap-mode) #smooth-wrapper {
    height: auto;
    width: 100%;
    overflow: visible;
    position: relative;
}

#smooth-content {
    height: auto;
    width: 100%;
    will-change: transform;
    display: flex;
    flex-direction: column;
}

body:not(.snap-mode) #smooth-content {
    will-change: auto;
}

/* Scroll Indicator */
.scroll-indicator {
    position: fixed;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    z-index: 1500;
    opacity: 1;
    visibility: visible;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.scroll-indicator-text {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-size: 0.75rem;
    font-weight: 800;
    letter-spacing: 3px;
    text-transform: uppercase;
    opacity: 0.45;
}

.scroll-indicator .mouse {
    width: 26px;
    height: 42px;
    border: 2px solid rgba(255, 255, 255, 0.25);
    border-radius: 20px;
    position: relative;
}

.scroll-indicator .wheel {
    width: 4px;
    height: 8px;
    background: rgba(255, 255, 255, 0.55);
    border-radius: 2px;
    position: absolute;
    top: 10px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll-wheel 1.5s infinite;
}

@keyframes scroll-wheel {
    0% { opacity: 0; transform: translateX(-50%) translateY(0); }
    15% { opacity: 1; }
    60% { opacity: 0.9; transform: translateX(-50%) translateY(12px); }
    100% { opacity: 0; transform: translateX(-50%) translateY(12px); }
}

.scroll-indicator .arrow {
    width: 18px;
    height: 18px;
    position: relative;
    opacity: 0.5;
}

.scroll-indicator .arrow span {
    position: absolute;
    top: 0;
    left: 50%;
    width: 10px;
    height: 10px;
    border-right: 2px solid rgba(255, 255, 255, 0.6);
    border-bottom: 2px solid rgba(255, 255, 255, 0.6);
    transform: translateX(-50%) rotate(45deg);
    animation: scroll-arrow 1.5s infinite;
}

.scroll-indicator .arrow span:nth-child(2) {
    top: 6px;
    animation-delay: 0.15s;
    opacity: 0.8;
}

@keyframes scroll-arrow {
    0% { opacity: 0; transform: translateX(-50%) rotate(45deg) translateY(0); }
    30% { opacity: 1; }
    80% { opacity: 0; transform: translateX(-50%) rotate(45deg) translateY(8px); }
    100% { opacity: 0; }
}

/* Hide scrollbar but allow scrolling */
/* Removed scrollbar hiding logic as native scrolling is now completely disabled via 'position: fixed' on the body */

/* Custom Cursor */
.cursor {
    width: 8px;
    height: 8px;
    background: #fff;
    border-radius: 50%;
    position: fixed;
    pointer-events: none;
    z-index: 10050;
}

.cursor-follower {
    width: 40px;
    height: 40px;
    border: 2px solid rgba(255, 255, 255, 0.5);
    border-radius: 50%;
    position: fixed;
    pointer-events: none;
    z-index: 10049;
    transition: transform 0.15s ease-out;
}

/* Navbar Progress Bar */
.scroll-progress-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    z-index: 2000;
    background: rgba(255, 255, 255, 0.05);
}

.scroll-progress-bar {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    box-shadow: 0 0 10px var(--primary);
    transition: width 0.3s ease-out;
}

.section-white-mode .scroll-progress-bar {
    background: #0f172a;
    box-shadow: none;
}
.section-white-mode .nav-link {
    color: #0f172a;
}

.section-white-mode .nav-link::after {
    background: #0f172a;
}

.section-white-mode .logo-text {
    color: #0f172a;
}

.section-white-mode .contact-btn {
    background: #0f172a;
    color: #fff;
}

.section-white-mode .main-nav.scrolled {
    background: rgba(255, 255, 255, 0.8);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.section-white-mode .logo-icon {
    background: #0f172a;
    color: #fff;
    border: 1px solid rgba(15, 23, 42, 0.14);
    box-shadow: 0 12px 30px rgba(15, 23, 42, 0.10);
}
.pagination {
    position: fixed;
    right: 40px;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    gap: 20px;
    z-index: 1000;
}

.pagination .dot {
    width: 12px;
    height: 12px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s ease;
}

.pagination .dot.active {
    background: var(--primary);
    border-color: var(--primary);
    transform: scale(1.3);
    box-shadow: 0 0 15px var(--primary);
}

/* Concept 2 pagination color adjustment */
.section-white-mode .pagination .dot {
    border-color: rgba(0, 0, 0, 0.2);
}

.section-white-mode .pagination .dot.active {
    background: #0f172a;
    border-color: #0f172a;
    box-shadow: 0 0 15px rgba(15, 23, 42, 0.3);
}
.main-nav {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 2rem 0;
    z-index: 1000;
    transition: var(--transition);
}

.main-nav.scrolled {
    padding: 1rem 0;
    background: rgba(5, 5, 5, 0.8);
    backdrop-filter: blur(20px);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 14px;
}

.logo-icon {
    width: 42px;
    height: 42px;
    background: linear-gradient(135deg, rgba(0, 242, 255, 1), rgba(14, 165, 233, 1));
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 14px;
    font-weight: 900;
    font-size: 1.5rem;
    color: #000;
    border: 1px solid rgba(0, 242, 255, 0.25);
    box-shadow: 0 12px 30px rgba(0, 242, 255, 0.12);
    position: relative;
    overflow: hidden;
}

.logo-icon::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.35) 0%, rgba(255, 255, 255, 0) 55%);
    opacity: 0.35;
    pointer-events: none;
}

.logo-text {
    display: flex;
    flex-direction: column;
    font-weight: 900;
    font-size: 1.12rem;
    line-height: 1.02;
    letter-spacing: 0.4px;
}

.logo-text span {
    font-size: 0.62rem;
    letter-spacing: 3.2px;
    opacity: 0.55;
    text-transform: uppercase;
}

.nav-links {
    display: flex;
    gap: 40px;
}

.nav-link {
    text-decoration: none;
    color: var(--text-light);
    font-weight: 600;
    font-size: 0.9rem;
    opacity: 0.6;
    transition: var(--transition);
    position: relative;
}

.nav-link.active, .nav-link:hover {
    opacity: 1;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: var(--transition);
}

.nav-link.active::after {
    width: 100%;
}

.contact-btn {
    padding: 12px 28px;
    background: #fff;
    color: #000;
    border: none;
    border-radius: 100px;
    font-weight: 700;
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition);
}

.contact-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 0 20px rgba(255, 255, 255, 0.3);
}

/* Common Section Styles */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding: 100px 0;
    overflow: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 40px;
    width: 100%;
}

/* CONCEPT 1: Cyber-Premium */
.cyber-premium {
    background: radial-gradient(circle at 10% 20%, rgba(0, 242, 255, 0.05) 0%, transparent 40%),
                radial-gradient(circle at 90% 80%, rgba(112, 0, 255, 0.05) 0%, transparent 40%);
    position: relative;
}

.cyber-premium::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(rgba(18, 16, 16, 0) 50%, rgba(0, 0, 0, 0.25) 50%), linear-gradient(90deg, rgba(255, 0, 0, 0.06), rgba(0, 255, 0, 0.02), rgba(0, 0, 255, 0.06));
    background-size: 100% 4px, 3px 100%;
    pointer-events: none;
    z-index: 2;
}

.cyber-premium::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, transparent 20%, black 150%);
    pointer-events: none;
    z-index: 2;
}

.parallax-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 120%;
    background: url('https://images.unsplash.com/photo-1550751827-4bd374c3f58b?auto=format&fit=crop&w=1920&q=80') center/cover;
    opacity: 0.1;
    z-index: -1;
}

.cyber-premium .content-box {
    max-width: 700px;
}

.cyber-premium h1 {
    font-size: 5rem;
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 2rem;
}

.cyber-premium h1 span {
    background: linear-gradient(90deg, rgba(0, 242, 255, 1), rgba(14, 165, 233, 1));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 0 22px rgba(0, 242, 255, 0.12);
}

.cyber-premium p {
    font-size: 1.2rem;
    opacity: 0.7;
    margin-bottom: 3rem;
    max-width: 500px;
}

#concept-1 .cta-group {
    margin-top: 20px;
}

.glow-btn {
    padding: 18px 45px;
    background: #000;
    border: 1px solid rgba(0, 242, 255, 0.5);
    color: #fff;
    border-radius: 4px;
    font-weight: 700;
    font-size: 1.1rem;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    gap: 15px;
    transition: all 0.5s cubic-bezier(0.19, 1, 0.22, 1);
}

.btn-text {
    position: relative;
    z-index: 2;
}

.btn-icon {
    position: relative;
    z-index: 2;
    transition: transform 0.5s cubic-bezier(0.19, 1, 0.22, 1);
}

.btn-glow-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    overflow: hidden;
}

.glow-layer {
    position: absolute;
    top: 50%;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 242, 255, 0.4), transparent);
    transform: skewX(-20deg) translateY(-50%);
    transition: left 0.6s ease;
}

.glow-btn:hover {
    border-color: var(--primary);
    box-shadow: 0 0 40px rgba(0, 242, 255, 0.2);
}

.glow-btn:hover .glow-layer {
    left: 200%;
}

.glow-btn:hover .btn-icon {
    transform: translateX(5px);
}

.glow-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--primary);
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 1;
}

.glow-btn:hover::before {
    opacity: 0.05;
}

.case-drawer-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.55);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.35s ease;
    z-index: 10048;
}

.wechat-modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.55);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.35s ease;
    z-index: 10060;
}

.case-drawer {
    position: fixed;
    top: 0;
    right: 0;
    height: 100vh;
    width: min(520px, 92vw);
    background: rgba(5, 5, 5, 0.92);
    border-left: 1px solid rgba(255, 255, 255, 0.08);
    transform: translateX(110%);
    opacity: 1;
    z-index: 10049;
    display: flex;
    flex-direction: column;
    transition: transform 0.45s cubic-bezier(0.16, 1, 0.3, 1);
}

body.case-drawer-open .case-drawer-overlay {
    opacity: 1;
    pointer-events: auto;
}

body.wechat-modal-open .wechat-modal-overlay {
    opacity: 1;
    pointer-events: auto;
}

.wechat-modal {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.98);
    width: min(520px, 92vw);
    max-height: 86vh;
    background: rgba(5, 5, 5, 0.92);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 22px;
    box-shadow: 0 30px 90px rgba(0, 0, 0, 0.55);
    padding: 52px 22px 22px;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.35s ease, transform 0.35s ease;
    z-index: 10061;
}

body.wechat-modal-open .wechat-modal {
    opacity: 1;
    pointer-events: auto;
    transform: translate(-50%, -50%) scale(1);
}

.wechat-modal-close {
    position: absolute;
    top: 14px;
    right: 14px;
    width: 42px;
    height: 42px;
    border-radius: 14px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    background: rgba(255, 255, 255, 0.04);
    color: rgba(255, 255, 255, 0.9);
    cursor: pointer;
    transition: transform 0.25s ease, background 0.25s ease, border-color 0.25s ease;
}

.wechat-modal-close:hover {
    transform: translateY(-2px);
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(0, 242, 255, 0.22);
}

.wechat-modal-image {
    width: 100%;
    height: auto;
    max-height: calc(86vh - 92px);
    object-fit: contain;
    display: block;
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.02);
}

body.case-drawer-open .case-drawer {
    transform: translateX(0);
}

.case-drawer-header {
    padding: 28px 26px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
}

.case-drawer-title h3 {
    margin: 10px 0 6px;
    font-size: 1.6rem;
    font-weight: 900;
    color: #fff;
}

.case-drawer-title p {
    margin: 0;
    font-size: 0.95rem;
    opacity: 0.65;
    max-width: 34ch;
}

.case-drawer-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 26px;
    padding: 0 12px;
    border-radius: 999px;
    background: rgba(0, 242, 255, 0.1);
    border: 1px solid rgba(0, 242, 255, 0.22);
    color: rgba(0, 242, 255, 0.95);
    font-weight: 800;
    font-size: 0.8rem;
    letter-spacing: 1px;
}

.case-drawer-close {
    width: 44px;
    height: 44px;
    border-radius: 14px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    background: rgba(255, 255, 255, 0.04);
    color: rgba(255, 255, 255, 0.85);
    cursor: pointer;
    flex: 0 0 44px;
    transition: transform 0.25s ease, background 0.25s ease, border-color 0.25s ease;
}

.case-drawer-close:hover {
    transform: translateY(-2px);
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(0, 242, 255, 0.22);
}

.case-drawer-body {
    padding: 18px 18px 22px;
    overflow: auto;
}

.case-drawer-body {
    scrollbar-width: thin;
    scrollbar-color: rgba(0, 242, 255, 0.38) rgba(255, 255, 255, 0.06);
    scrollbar-gutter: stable;
}

.case-drawer-body::-webkit-scrollbar {
    width: 10px;
}

.case-drawer-body::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 999px;
    margin: 12px 0;
}

.case-drawer-body::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, rgba(0, 242, 255, 0.55), rgba(14, 165, 233, 0.4));
    border-radius: 999px;
    border: 2px solid rgba(5, 5, 5, 0.92);
}

.case-drawer-body:hover::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, rgba(0, 242, 255, 0.7), rgba(14, 165, 233, 0.55));
}

.case-list {
    display: grid;
    grid-template-columns: 1fr;
    gap: 14px;
}

.case-card {
    display: grid;
    grid-template-columns: 120px 1fr;
    gap: 14px;
    padding: 14px;
    border-radius: 18px;
    border: 1px solid rgba(255, 255, 255, 0.06);
    background: rgba(255, 255, 255, 0.03);
    text-decoration: none;
    color: rgba(255, 255, 255, 0.92);
    transition: transform 0.28s ease, border-color 0.28s ease, background 0.28s ease;
}

.case-card:hover {
    transform: translateY(-2px);
    border-color: rgba(0, 242, 255, 0.2);
    background: rgba(0, 242, 255, 0.04);
}

.case-card-media {
    height: 100%;
    min-height: 92px;
    border-radius: 14px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.06);
}

.case-card-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    filter: saturate(0.9) contrast(1.05);
}

.case-card-top {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 10px;
    margin-bottom: 8px;
}

.case-card-industry {
    font-size: 0.8rem;
    color: rgba(0, 242, 255, 0.9);
    opacity: 0.95;
    font-weight: 800;
}

.case-card-title {
    font-size: 1.05rem;
    font-weight: 900;
    color: rgba(255, 255, 255, 0.95);
    text-align: right;
}

.case-card-desc {
    font-size: 0.92rem;
    opacity: 0.72;
    line-height: 1.5;
    margin-bottom: 10px;
}

.case-card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 10px;
}

.case-card-tags .tag {
    padding: 6px 12px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.06);
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.78rem;
}

.case-card-metrics {
    display: flex;
    flex-wrap: wrap;
    gap: 10px 16px;
    font-size: 0.82rem;
    opacity: 0.7;
}

@media (max-width: 480px) {
    .case-card {
        grid-template-columns: 1fr;
    }
    .case-card-title {
        text-align: left;
    }
}

.tech-stack {
    display: flex;
    gap: 30px;
    margin-top: 40px;
    font-size: 2rem;
    opacity: 0.3;
}

.floating-element {
    position: absolute;
    font-size: 4rem;
    color: var(--primary);
    opacity: 0.1;
    filter: blur(2px);
    z-index: 1;
}

.f1 { top: 20%; right: 10%; }
.f2 { bottom: 20%; left: 5%; }

/* CONCEPT 2: Bento-Minimalist (Redesigned) */
.bento-minimalist {
    background-color: #f1f5f9;
    color: #0f172a;
    background-image: 
        radial-gradient(rgba(148, 163, 184, 0.25) 1.2px, transparent 1.2px);
    background-size: 24px 24px;
    position: relative;
    z-index: 1;
    overflow: visible; /* Ensure content is not clipped during animation */
}

.bento-glow {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(640px circle at var(--mouse-x) var(--mouse-y), rgba(0, 242, 255, 0.035), transparent 45%);
    pointer-events: none;
    z-index: 0;
}

.logic-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        linear-gradient(90deg, rgba(15, 23, 42, 0.04) 1px, transparent 1px),
        linear-gradient(0deg, rgba(15, 23, 42, 0.04) 1px, transparent 1px);
    background-size: 100px 100px;
    opacity: 0.35;
    z-index: -1;
    pointer-events: none;
}

.gradient-text {
    background: linear-gradient(135deg, var(--secondary), var(--accent));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.bento-minimalist .gradient-text {
    background: linear-gradient(90deg, #0ea5e9, #06b6d4);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.bento-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-template-rows: 280px 280px;
    gap: 24px;
}

/* Card Common Styles */
.bento-card {
    background: rgba(255, 255, 255, 0.92);
    border-radius: 24px;
    padding: 32px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.4s ease, border-color 0.4s ease;
    border: 2px solid rgba(0, 0, 0, 0.08);
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
}

.bento-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    border-color: rgba(6, 182, 212, 0.35);
}

/* Card 1: Domain Driven Design (Main) */
.card-main {
    grid-column: span 2;
    grid-row: span 2;
    background: #0f172a;
    color: #fff;
    justify-content: flex-start;
    padding: 40px;
}

.card-content-wrapper {
    position: relative;
    z-index: 2;
}

.card-main h3 {
    font-size: 2rem;
    font-weight: 700;
    margin-top: 0.5rem;
    margin-bottom: 1rem;
    background: linear-gradient(to right, #fff, #94a3b8);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.card-main p {
    color: #94a3b8;
    line-height: 1.7;
    margin-bottom: 2rem;
    max-width: 90%;
}

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

.feature-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.95rem;
    color: #cbd5e1;
    font-weight: 500;
}

.feature-item i {
    color: var(--primary);
}

/* Blueprint Preview inside Card Main */
.blueprint-preview {
    position: absolute;
    bottom: 0;
    right: 0;
    width: 60%;
    height: 60%;
    /* border/background removed to blend seamlessly */
}

/* Data Flow Animation */
.data-flow {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 200%;
    height: 200%;
    background: conic-gradient(from 0deg at 50% 50%, transparent 0deg, rgba(14, 165, 233, 0.1) 60deg, transparent 120deg);
    transform: translate(-50%, -50%);
    animation: flow-rotate 4s linear infinite;
    opacity: 0;
    transition: opacity 0.3s;
    pointer-events: none;
}

.blueprint-trigger:hover .data-flow {
    opacity: 1;
}

@keyframes flow-rotate {
    from { transform: translate(-50%, -50%) rotate(0deg); }
    to { transform: translate(-50%, -50%) rotate(360deg); }
}

/* Card 2: Cloud Native */
.card-cloud {
    grid-column: span 2;
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.92), #f1f5f9);
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin-top: auto;
}

.tech-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px;
    background: rgba(255, 255, 255, 0.92);
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    font-size: 0.9rem;
    font-weight: 600;
    color: #475569;
    transition: var(--transition);
}

.tech-item:hover {
    border-color: rgba(14, 165, 233, 0.55);
    color: #0ea5e9;
    transform: translateX(5px);
}

.tech-item i {
    font-size: 1.2rem;
    color: #0ea5e9;
}

/* Card 3: AI Engine */
.card-ai {
    grid-column: span 1;
    background: #f0fdfa;
    border-color: #cffafe;
}

.ai-status {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 700;
    color: #0891b2;
    margin-bottom: 1rem;
    align-self: flex-start;
}

.dot {
    width: 6px;
    height: 6px;
    background: #0891b2;
    border-radius: 50%;
    animation: pulse-dot 1.5s infinite;
}

@keyframes pulse-dot {
    0% { box-shadow: 0 0 0 0 rgba(8, 145, 178, 0.35); }
    70% { box-shadow: 0 0 0 6px rgba(8, 145, 178, 0); }
    100% { box-shadow: 0 0 0 0 rgba(8, 145, 178, 0); }
}

/* Card 4: Security */
.card-security {
    grid-column: span 1;
    background: #f8fafc;
    border-color: #e2e8f0;
    align-items: center;
    text-align: center;
    justify-content: center;
    gap: 1rem;
}

.ai-icon {
    font-size: 3.5rem;
    background: linear-gradient(135deg, #06b6d4, #0ea5e9);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    filter: drop-shadow(0 4px 10px rgba(14, 165, 233, 0.18));
}

.card-security h3 {
    margin: 0;
    font-size: 1.2rem;
}

.card-security p {
    font-size: 0.85rem;
    opacity: 0.7;
    margin: 0;
}

/* Responsive Grid */
@media (max-width: 968px) {
    .bento-grid {
        grid-template-columns: repeat(2, 1fr);
        grid-template-rows: auto;
    }
    .card-main { grid-column: span 2; }
    .card-cloud { grid-column: span 2; }
    .card-ai { grid-column: span 1; }
    .card-security { grid-column: span 1; }
}

/* CONCEPT 3: Future-Pulse */
.future-pulse {
    background-color: #000;
    color: #fff;
}

.pulse-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 50% 50%, #1a1a1a 0%, #000 70%);
}

.pulse-content {
    position: relative;
    z-index: 2;
    text-align: center;
}

.stat-grid {
    display: flex;
    justify-content: center;
    gap: 100px;
    margin-bottom: 80px;
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-item .number {
    font-size: 4rem;
    font-weight: 800;
    line-height: 1;
    background: linear-gradient(to bottom, #fff, #94a3b8);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.stat-item .unit {
    color: rgba(0, 242, 255, 0.9);
}

.stat-item label {
    font-size: 0.9rem;
    opacity: 0.5;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.parallax-title h2 {
    font-size: 6rem;
    font-weight: 900;
    margin-bottom: 2rem;
    transition: all 0.5s cubic-bezier(0.23, 1, 0.32, 1);
    display: inline-block;
}

.parallax-title h2.magnetize {
    text-shadow: 0 0 30px rgba(255, 255, 255, 0.3);
    letter-spacing: 5px;
}

.parallax-title h2 span {
    -webkit-text-stroke: 1px #fff;
    color: transparent;
    transition: all 0.5s ease;
    opacity: 0.3; /* 默认更透明 */
}

.parallax-title h2:hover span {
    color: #fff;
    -webkit-text-stroke: 1px transparent;
    opacity: 1;
}

.cursor.view-mode {
    width: 80px;
    height: 80px;
    background: #fff;
    mix-blend-mode: difference;
    display: flex;
    align-items: center;
    justify-content: center;
}

.cursor.view-mode::after {
    content: 'VIEW';
    font-size: 12px;
    font-weight: 900;
    color: #000;
}

.cursor-follower.hide {
    opacity: 0;
    transform: scale(0);
}

.pulse-desc {
    font-size: 1.4rem;
    max-width: 600px;
    margin: 0 auto 3rem;
    opacity: 0.6;
}

.pulse-btn {
    padding: 22px 60px;
    background: #000;
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 100px;
    font-weight: 800;
    font-size: 1.2rem;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: all 0.6s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.btn-content {
    position: relative;
    z-index: 3;
    letter-spacing: 2px;
}

.liquid-bg {
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 242, 255, 0.95), rgba(34, 211, 238, 0.75), rgba(34, 197, 94, 0.55));
    transition: all 0.6s cubic-bezier(0.165, 0.84, 0.44, 1);
    z-index: 2;
}

.liquid-bg::after {
    content: "";
    position: absolute;
    top: -120%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 40%;
    /* 移除旋转动画 */
}

.pulse-btn:hover {
    color: #fff;
    border-color: rgba(0, 242, 255, 0.75);
    transform: translateY(-5px);
    box-shadow: 0 15px 34px rgba(0, 242, 255, 0.16), 0 0 42px rgba(34, 211, 238, 0.12);
}

.pulse-btn:hover .liquid-bg {
    top: 0;
}

.pulse-btn:active {
    transform: translateY(-2px) scale(0.98);
}

/* Footer */
/* Footer Refactoring */
.modern-footer {
    min-height: 100vh;
    padding: 120px 0 40px;
    background: #000;
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.footer-content {
    display: grid;
    grid-template-columns: minmax(520px, 1.1fr) minmax(360px, 0.9fr);
    gap: 56px;
    margin-bottom: 64px;
    align-items: stretch;
}

.footer-cta,
.footer-nav-groups {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 24px;
    padding: 44px;
    height: 100%;
}

.footer-cta h2 {
    font-size: 2.6rem;
    font-weight: 900;
    line-height: 1.15;
    margin: 18px 0;
    color: #fff;
}

.footer-cta p {
    font-size: 1.05rem;
    opacity: 0.62;
    max-width: 500px;
    margin-bottom: 28px;
}

.footer-contact-info {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px 28px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 15px;
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.8);
}

.contact-item i {
    width: 20px;
    color: var(--primary);
    font-size: 1.1rem;
}

.footer-nav-groups {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 44px;
    align-content: start;
    position: relative;
    padding-bottom: 82px;
}

.footer-nav-groups::before {
    content: '';
    position: absolute;
    left: 44px;
    right: 44px;
    bottom: 58px;
    height: 1px;
    background: rgba(255, 255, 255, 0.06);
}

.footer-nav-groups::after {
    content: '工作日 9:30-18:30 · 预计 24h 内响应';
    position: absolute;
    left: 44px;
    right: 44px;
    bottom: 34px;
    font-size: 0.9rem;
    line-height: 1.4;
    color: rgba(255, 255, 255, 0.6);
    letter-spacing: 0.2px;
}

.nav-group h3 {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--primary);
    margin-bottom: 24px;
    font-weight: 800;
}

.nav-group ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.nav-group ul a {
    text-decoration: none;
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.95rem;
    font-weight: 500;
    transition: var(--transition);
}

.nav-group ul a:hover {
    color: var(--primary);
    padding-left: 5px;
}

.footer-divider {
    height: 1px;
    background: linear-gradient(90deg, rgba(255, 255, 255, 0.05) 0%, rgba(255, 255, 255, 0) 100%);
    margin-bottom: 40px;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 30px;
}

.footer-bottom .footer-logo {
    font-size: 1.8rem;
    font-weight: 900;
    letter-spacing: 4px;
    display: flex;
    flex-direction: column;
    line-height: 1;
}

.footer-bottom .footer-logo span {
    font-size: 0.7rem;
    letter-spacing: 2px;
    opacity: 0.4;
    font-weight: 600;
    margin-top: 5px;
}

.footer-social {
    display: flex;
    gap: 15px;
}

.footer-social a {
    width: 40px;
    height: 40px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    text-decoration: none;
    transition: var(--transition);
}

.footer-social a:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: #000;
    transform: translateY(-3px);
}

.footer-copyright {
    width: 100%;
    margin-top: 20px;
    text-align: center;
    font-size: 0.8rem;
    opacity: 0.3;
}

@media (max-width: 968px) {
    .footer-content {
        grid-template-columns: 1fr;
        gap: 60px;
    }
    .footer-cta h2 {
        font-size: 2.5rem;
    }
    .footer-nav-groups {
        grid-template-columns: 1fr;
        gap: 28px;
    }

    .footer-contact-info {
        grid-template-columns: 1fr;
        gap: 14px;
    }
}


/* Noise Overlay */
.noise-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('https://grainy-gradients.vercel.app/noise.svg');
    opacity: 0.05;
    pointer-events: none;
    z-index: 9999;
    animation: noise-move 0.2s steps(4) infinite;
}

@keyframes noise-move {
    0% { transform: translate(0, 0); }
    10% { transform: translate(-1%, -1%); }
    20% { transform: translate(-2%, 1%); }
    30% { transform: translate(1%, -2%); }
    40% { transform: translate(-1%, 3%); }
    50% { transform: translate(-2%, 1%); }
    60% { transform: translate(3%, 2%); }
    70% { transform: translate(2%, 1%); }
    80% { transform: translate(-1%, -1%); }
    90% { transform: translate(1%, 2%); }
    100% { transform: translate(1%, -2%); }
}

/* Loader */
#loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.65);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 10000;
}

.loader-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.loader-circle {
    width: 60px;
    height: 60px;
    position: relative;
    display: grid;
    place-items: center;
    margin: 0 auto 20px;
}

.loader-ring {
    width: 60px;
    height: 60px;
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-top: 2px solid var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.loader-percent {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-size: 1rem;
    font-weight: 800;
    letter-spacing: 2px;
    line-height: 1;
    color: rgba(255, 255, 255, 0.8);
    margin: 0;
    animation: pulse 1.5s infinite;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    pointer-events: none;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.loader-text {
    font-size: 1.5rem;
    font-weight: 900;
    letter-spacing: 5px;
    line-height: 1;
    color: #fff;
    animation: pulse 1.5s infinite;
}

.loader-subtext {
    margin-top: 10px;
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 2px;
    opacity: 0.4;
}

/* Delivery Section Optimization */
.delivery-section {
    background: radial-gradient(circle at 100% 100%, rgba(0, 242, 255, 0.03) 0%, transparent 50%),
                #050505;
}

.engineering-badge {
    background: rgba(0, 242, 255, 0.1);
    color: var(--primary);
    border: 1px solid rgba(0, 242, 255, 0.2);
}

.gradient-text-blue {
    background: linear-gradient(90deg, #00f2ff, #22d3ee);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.engineering-card {
    position: relative;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: all 0.5s cubic-bezier(0.23, 1, 0.32, 1);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.engineering-card:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(0, 242, 255, 0.3);
    transform: translateY(-5px);
}

.engineering-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 2px;
    height: 0;
    background: var(--primary);
    transition: height 0.5s ease;
}

.engineering-card:hover::before {
    height: 100%;
}

.card-icon {
    font-size: 2rem;
    color: var(--primary);
    margin-bottom: 5px;
    opacity: 0.8;
}

.card-step {
    position: absolute;
    top: 28px;
    right: 28px;
    font-family: 'Space Mono', monospace;
    font-size: 0.7rem;
    letter-spacing: 2px;
    opacity: 0.2;
    font-weight: 700;
}

.engineering-card:hover .card-step {
    opacity: 0.5;
    color: var(--primary);
}

.engineering-card h3 {
    letter-spacing: 1px;
}

/* Delivery Footer Enrichment */
.delivery-footer-info {
    margin-top: 104px;
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.tech-standards-bar {
    position: relative;
    overflow: hidden;
    padding: 22px 18px;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 20px;
}

.tech-standards-bar::before,
.tech-standards-bar::after {
    content: '';
    position: absolute;
    top: 0;
    width: 90px;
    height: 100%;
    pointer-events: none;
    z-index: 2;
}

.tech-standards-bar::before {
    left: 0;
    background: linear-gradient(90deg, rgba(5, 5, 5, 1) 0%, rgba(5, 5, 5, 0) 100%);
}

.tech-standards-bar::after {
    right: 0;
    background: linear-gradient(270deg, rgba(5, 5, 5, 1) 0%, rgba(5, 5, 5, 0) 100%);
}

.tech-standards-track {
    display: flex;
    align-items: center;
    gap: 18px;
    width: max-content;
    animation: delivery-marquee 26s linear infinite;
}

.tech-standards-bar:hover .tech-standards-track {
    animation-play-state: paused;
}

.standard-item {
    text-align: left;
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 14px;
    position: relative;
    min-width: 280px;
    padding: 14px 16px;
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.standard-item:not(:last-child)::after {
    content: none;
}

.standard-item .label {
    font-size: 0.75rem;
    color: var(--text-light);
    opacity: 0.5;
    font-weight: 500;
    letter-spacing: 0.3px;
}

.standard-item .value {
    font-size: 1.05rem;
    font-weight: 800;
    color: rgba(255, 255, 255, 0.92);
}

.partner-avatar {
    width: 46px;
    height: 46px;
    border-radius: 14px;
    flex: 0 0 46px;
    object-fit: cover;
    border: 1px solid rgba(255, 255, 255, 0.12);
    filter: saturate(0.9) contrast(1.05);
}

.partner-meta {
    display: flex;
    flex-direction: column;
    gap: 6px;
    min-width: 0;
}

.partner-meta .value,
.partner-meta .label {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

@keyframes delivery-marquee {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}

.delivery-tech-tags {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
}

.tag {
    padding: 8px 20px;
    background: rgba(0, 242, 255, 0.05);
    border: 1px solid rgba(0, 242, 255, 0.1);
    color: var(--text-light);
    font-size: 0.8rem;
    font-weight: 600;
    border-radius: 100px;
    opacity: 0.7;
    transition: all 0.3s ease;
}

.tag:hover {
    opacity: 1;
    background: rgba(0, 242, 255, 0.1);
    border-color: var(--primary);
    transform: translateY(-2px);
}

.section-bg-grid {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(0, 242, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 242, 255, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    pointer-events: none;
    z-index: 0;
}

.delivery-section .container {
    position: relative;
    z-index: 1;
}

/* Cooperation Section Optimization */
.cooperation-section {
    background: #000;
    position: relative;
    overflow: visible;
}

.cooperation-section .container {
    position: relative;
    z-index: 1;
}

.cooperation-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    margin-top: 60px;
}

.coop-card {
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.04) 0%, rgba(255, 255, 255, 0.015) 100%);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 24px;
    padding: 40px;
    position: relative;
    transition: all 0.5s cubic-bezier(0.23, 1, 0.32, 1);
    box-shadow: 0 18px 50px rgba(0, 0, 0, 0.35);
    overflow: hidden;
    will-change: transform;
}

.coop-card::before {
    content: '';
    position: absolute;
    top: -120px;
    left: -120px;
    width: 260px;
    height: 260px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.12) 0%, rgba(255, 255, 255, 0) 60%);
    opacity: 0.35;
    pointer-events: none;
}

.coop-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 60%;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.18) 0%, rgba(255, 255, 255, 0) 70%);
    opacity: 0.12;
    pointer-events: none;
}

.coop-card.active {
    background: linear-gradient(180deg, rgba(0, 242, 255, 0.07) 0%, rgba(255, 255, 255, 0.015) 100%);
    border-color: rgba(0, 242, 255, 0.35);
    transform: translateY(-10px);
    z-index: 2;
    box-shadow: 0 28px 80px rgba(0, 0, 0, 0.55), 0 0 0 1px rgba(0, 242, 255, 0.15), 0 0 60px rgba(0, 242, 255, 0.10);
}

.coop-card:hover:not(.active) {
    border-color: rgba(255, 255, 255, 0.18);
    transform: translateY(-6px);
    box-shadow: 0 24px 70px rgba(0, 0, 0, 0.45);
}

.coop-tag {
    position: absolute;
    top: 20px;
    right: 20px;
    background: var(--primary);
    color: #000;
    font-size: 0.7rem;
    font-weight: 800;
    padding: 4px 12px;
    border-radius: 100px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.coop-icon {
    font-size: 2.5rem;
    color: var(--primary);
    margin-bottom: 25px;
    opacity: 0.9;
}

.coop-card h3 {
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: 15px;
    color: #fff;
}

.coop-card p {
    font-size: 0.95rem;
    opacity: 0.6;
    margin-bottom: 25px;
    line-height: 1.7;
}

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

.coop-list li {
    font-size: 0.9rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 10px;
    color: rgba(255, 255, 255, 0.8);
}

.coop-list li i {
    color: var(--primary);
    font-size: 0.8rem;
}

.coop-bottom-banner {
    margin-top: 80px;
    background: linear-gradient(90deg, rgba(255, 255, 255, 0.03) 0%, rgba(0, 242, 255, 0.05) 100%);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 30px;
    padding: 22px 60px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 30px;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
}

.banner-content h4 {
    font-size: 1.4rem;
    font-weight: 800;
    margin-bottom: 8px;
    color: #fff;
}

.banner-content p {
    opacity: 0.5;
    font-size: 0.95rem;
}

.coop-btn {
    padding: 16px 32px;
    background: #fff;
    color: #000;
    border: none;
    border-radius: 12px;
    font-weight: 800;
    font-size: 1rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 12px;
    transition: all 0.3s ease;
    white-space: nowrap;
    max-width: 100%;
}

.coop-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 0 30px rgba(255, 255, 255, 0.2);
}

.opacity-low {
    opacity: 0.4;
}

@media (max-width: 1024px) {
    .cooperation-grid {
        grid-template-columns: 1fr;
    }
    .coop-card.active {
        transform: none;
    }
    .coop-bottom-banner {
        flex-direction: column;
        text-align: center;
        padding: 40px;
    }

    .coop-btn {
        white-space: normal;
    }
}

/* Normal Scroll Section (after snap narrative) */
.normal-scroll-section {
    min-height: 100vh;
    padding: 140px 0;
    background: linear-gradient(180deg, rgba(5, 5, 5, 1) 0%, rgba(5, 5, 5, 0.98) 100%);
}

.normal-scroll-section--dark {
    background: #000;
}

.normal-scroll-header {
    text-align: center;
    margin-bottom: 60px;
}

.normal-scroll-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.normal-card {
    border-radius: 24px;
    padding: 28px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.06);
    backdrop-filter: blur(10px);
}

.normal-card h3 {
    font-size: 1.25rem;
    font-weight: 800;
    margin-bottom: 12px;
}

.normal-card p {
    opacity: 0.65;
    line-height: 1.8;
}

.normal-long-content {
    max-width: 850px;
    margin: 0 auto;
    font-size: 1.05rem;
    line-height: 1.9;
    opacity: 0.75;
}

.normal-long-content p + p {
    margin-top: 18px;
}

@media (max-width: 968px) {
    .normal-scroll-grid {
        grid-template-columns: 1fr;
    }
}

@keyframes pulse {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 1; }
}

/* Animations (Optimized for visibility) */
.reveal-text, .reveal-text-delay, .bento-card, .stat-item {
    /* Remove initial opacity:0 to prevent JS-load flickering/bugs */
    will-change: transform, opacity;
}

[data-speed] {
    will-change: transform;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Smooth Scrolling Support */
html {
    scroll-behavior: smooth;
}

/* Ensure sections have clear separation for ScrollTrigger */
section {
    position: relative;
    z-index: 1;
}

#concept-2 {
    z-index: 2;
}

#concept-3 {
    z-index: 3;
}
/* Responsive */
@media (max-width: 968px) {
    .cyber-premium h1 { font-size: 3.5rem; }
    .bento-grid { grid-template-columns: repeat(2, 1fr); }
    .stat-grid { gap: 40px; }
    .parallax-title h2 { font-size: 3.5rem; }
}

@media (max-width: 640px) {
    .container {
        padding: 0 18px;
    }

    .hero-section {
        padding: 76px 0 64px;
    }

    .main-nav {
        padding: 1.1rem 0;
        padding-top: calc(1.1rem + env(safe-area-inset-top));
    }

    .main-nav.scrolled {
        padding: 0.85rem 0;
        padding-top: calc(0.85rem + env(safe-area-inset-top));
    }

    .nav-container {
        padding: 0 18px;
        gap: 10px;
        justify-content: flex-start;
        flex-wrap: nowrap;
    }

    .nav-links {
        gap: 18px;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        flex: 1 1 0%;
        min-width: 0;
        max-width: none;
        padding-bottom: 6px;
        white-space: nowrap;
    }

    .nav-links::-webkit-scrollbar {
        display: none;
    }

    .nav-link {
        font-size: 0.86rem;
    }

    .logo-icon {
        width: 38px;
        height: 38px;
        border-radius: 13px;
    }

    .logo-text {
        font-size: 1.02rem;
    }

    .logo {
        flex: 0 0 auto;
    }

    .logo-text span {
        font-size: 0.58rem;
        letter-spacing: 3px;
        display: none;
    }

    .contact-btn {
        padding: 8px 10px;
        font-size: 0.78rem;
        border-radius: 10px;
        letter-spacing: 0.2px;
        white-space: nowrap;
        flex: 0 0 auto;
        flex-shrink: 0;
        line-height: 1;
        display: inline-flex;
        align-items: center;
        justify-content: center;
    }

    .pagination {
        display: none;
    }

    .scroll-indicator {
        display: none;
    }

    .cyber-premium h1 {
        font-size: 3rem;
        line-height: 1.12;
        margin-bottom: 1.4rem;
    }

    .cyber-premium p {
        font-size: 1.05rem;
        margin-bottom: 2.2rem;
        max-width: 520px;
    }

    #concept-1 .cta-group {
        display: flex;
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
    }

    .glow-btn {
        padding: 16px 22px;
        font-size: 1rem;
        border-radius: 12px;
    }

    .tech-stack {
        gap: 18px;
        margin-top: 26px;
        font-size: 1.6rem;
        flex-wrap: wrap;
    }

    .floating-element {
        display: none;
    }

    #concept-2.hero-section {
        align-items: flex-start;
    }

    #concept-2 .section-header {
        margin-bottom: 6px;
    }

    #concept-2 .section-header h2 {
        font-size: 1.85rem;
        line-height: 1.15;
    }

    #concept-2 .section-header .badge {
        margin-bottom: 8px;
    }

    #concept-2 .section-subtitle {
        display: none;
    }

    #concept-2 .bento-grid {
        display: flex;
        flex-direction: row;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scroll-snap-type: x mandatory;
        gap: 16px;
        padding: 6px 2px 14px;
        margin-top: 14px;
    }

    #concept-2 .bento-grid::-webkit-scrollbar {
        display: none;
    }

    #concept-2 .bento-card {
        flex: 0 0 86vw;
        scroll-snap-align: start;
        height: min(520px, 56vh);
    }

    #concept-2 .card-main {
        padding: 22px;
    }

    #concept-2 .blueprint-preview {
        display: none;
    }

    #concept-2 .card-main p {
        display: -webkit-box;
        line-clamp: 3;
        -webkit-line-clamp: 3;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }

    #concept-2 .feature-item {
        font-size: 0.88rem;
        line-height: 1.35;
    }

    #concept-2 .feature-item:nth-child(n+4) {
        display: none;
    }

    .bento-card {
        padding: 22px;
        border-radius: 20px;
    }

    .card-main {
        padding: 28px;
    }

    .card-main h3 {
        font-size: 1.6rem;
    }

    .card-main p {
        margin-bottom: 1.5rem;
        max-width: 100%;
    }

    .pulse-desc {
        font-size: 1.02rem;
        margin: 0 auto 1.4rem;
        display: -webkit-box;
        line-clamp: 2;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }

    .stat-grid {
        gap: 26px;
        margin-bottom: 46px;
        flex-wrap: wrap;
    }

    #concept-3 .stat-grid {
        flex-wrap: nowrap;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scroll-snap-type: x mandatory;
        justify-content: flex-start;
        padding: 4px 2px 10px;
        margin-bottom: 26px;
    }

    #concept-3 .stat-grid::-webkit-scrollbar {
        display: none;
    }

    #concept-3 .stat-item {
        flex: 0 0 34vw;
        min-width: 120px;
        scroll-snap-align: start;
        align-items: flex-start;
    }

    #concept-3 .stat-item .number {
        font-size: 2.6rem;
    }

    .stat-item .number {
        font-size: 3rem;
    }

    .parallax-title h2 {
        font-size: 2.7rem;
        margin-bottom: 1.2rem;
    }

    .pulse-btn {
        padding: 18px 36px;
        font-size: 1rem;
    }

    .normal-scroll-section {
        padding: 92px 0 70px;
    }

    .normal-scroll-header {
        margin-bottom: 22px;
    }

    .normal-scroll-header h2 {
        font-size: 2.05rem;
        line-height: 1.15;
    }

    .normal-scroll-header .section-subtitle {
        display: -webkit-box;
        line-clamp: 2;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }

    .normal-card {
        padding: 22px;
    }

    .card-step {
        top: 20px;
        right: 20px;
    }

    .delivery-footer-info {
        margin-top: 44px;
        gap: 18px;
    }

    #delivery .delivery-footer-info {
        display: none;
    }

    #delivery .normal-scroll-grid {
        display: flex;
        flex-direction: row;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scroll-snap-type: x mandatory;
        gap: 16px;
        padding: 6px 2px 14px;
    }

    #delivery .normal-scroll-grid::-webkit-scrollbar {
        display: none;
    }

    #delivery .normal-card {
        flex: 0 0 86vw;
        scroll-snap-align: start;
        height: min(380px, 46vh);
    }

    #delivery .card-icon {
        font-size: 1.6rem;
    }

    #delivery .normal-card h3 {
        font-size: 1.15rem;
        margin-bottom: 6px;
    }

    #delivery .normal-card p {
        display: -webkit-box;
        line-clamp: 3;
        -webkit-line-clamp: 3;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }

    #delivery .card-step {
        display: none;
    }

    .tech-standards-bar {
        padding: 16px 14px;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scroll-snap-type: x proximity;
    }

    .tech-standards-track {
        animation: none;
        padding-right: 10px;
    }

    .standard-item {
        min-width: 240px;
        scroll-snap-align: start;
    }

    .cooperation-grid {
        margin-top: 36px;
    }

    #cooperation .cooperation-grid {
        margin-top: 18px;
    }

    #cooperation .cooperation-grid {
        display: flex;
        flex-direction: row;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scroll-snap-type: x mandatory;
        gap: 16px;
        padding: 6px 2px 14px;
    }

    #cooperation .cooperation-grid::-webkit-scrollbar {
        display: none;
    }

    .coop-card {
        padding: 26px;
        border-radius: 22px;
    }

    #cooperation .coop-card {
        flex: 0 0 86vw;
        scroll-snap-align: start;
        padding: 22px;
        height: min(390px, 46vh);
    }

    #cooperation .coop-card h3 {
        font-size: 1.3rem;
        margin-bottom: 10px;
    }

    #cooperation .coop-icon {
        font-size: 2rem;
        margin-bottom: 14px;
    }

    #cooperation .coop-card p {
        display: -webkit-box;
        line-clamp: 3;
        -webkit-line-clamp: 3;
        -webkit-box-orient: vertical;
        overflow: hidden;
        margin-bottom: 14px;
    }

    #cooperation .coop-list {
        gap: 8px;
    }

    #cooperation .coop-list li {
        font-size: 0.85rem;
    }

    .coop-bottom-banner {
        padding: 18px;
        margin-top: 28px;
        border-radius: 22px;
    }

    #cooperation .banner-content p {
        display: none;
    }

    #cooperation .banner-content h4 {
        font-size: 1.1rem;
        margin-bottom: 0;
    }

    .coop-btn {
        width: 100%;
        justify-content: center;
    }

    .modern-footer {
        padding: 72px 0 28px;
    }

    .footer-content {
        display: flex;
        flex-direction: row;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scroll-snap-type: x mandatory;
        gap: 16px;
        margin-bottom: 26px;
    }

    .footer-content::-webkit-scrollbar {
        display: none;
    }

    .footer-cta,
    .footer-nav-groups {
        padding: 22px;
        border-radius: 20px;
        flex: 0 0 88vw;
        scroll-snap-align: start;
    }

    .footer-cta h2 {
        font-size: 1.7rem;
    }

    .footer-contact-info .contact-item:nth-child(3) {
        display: none;
    }

    .footer-cta p {
        display: -webkit-box;
        line-clamp: 2;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }

    .footer-nav-groups {
        display: grid;
        grid-template-columns: 1fr;
        gap: 18px;
        overflow: visible;
        padding-bottom: 18px;
    }

    .footer-nav-groups::before,
    .footer-nav-groups::after {
        content: none;
    }

    .footer-nav-groups .nav-group {
        width: 100%;
    }

    .footer-bottom {
        flex-direction: column;
        align-items: flex-start;
        gap: 18px;
    }

    .footer-bottom .footer-logo {
        font-size: 1.35rem;
    }

    .footer-social a {
        width: 36px;
        height: 36px;
    }

    .case-drawer {
        width: 100vw;
        height: 100vh;
    }

    .case-drawer-header {
        padding-top: calc(20px + env(safe-area-inset-top));
    }

    .case-drawer-title p {
        max-width: none;
    }

    .case-card {
        grid-template-columns: 1fr;
    }

    .case-card-media {
        min-height: 160px;
    }

    .case-card-title {
        text-align: left;
    }

    .case-drawer-body {
        padding-bottom: calc(22px + env(safe-area-inset-bottom));
        -webkit-overflow-scrolling: touch;
        overscroll-behavior: contain;
    }
}

@media (max-width: 640px) and (max-height: 740px) {
    .hero-section {
        padding: 68px 0 54px;
    }

    .normal-scroll-section {
        padding: 78px 0 58px;
    }

    #delivery .delivery-footer-info {
        display: none;
    }

    #cooperation .coop-bottom-banner {
        display: none;
    }

    .modern-footer {
        padding: 62px 0 22px;
    }

    .footer-bottom {
        gap: 12px;
    }

    .footer-bottom .footer-logo {
        font-size: 1.15rem;
    }

    .footer-social a {
        width: 32px;
        height: 32px;
    }

    .footer-copyright {
        display: none;
    }
}

@media (max-width: 420px) {
    .cyber-premium h1 {
        font-size: 2.6rem;
    }

    .parallax-title h2 {
        font-size: 2.35rem;
    }

    .nav-links {
        max-width: none;
        gap: 14px;
    }

    .nav-container {
        gap: 8px;
    }

    .nav-link {
        font-size: 0.82rem;
    }

    .contact-btn {
        padding: 6px 8px;
        font-size: 0.72rem;
        border-radius: 10px;
    }

    .main-nav {
        padding: 0.95rem 0;
        padding-top: calc(0.95rem + env(safe-area-inset-top));
    }

    .main-nav.scrolled {
        padding: 0.75rem 0;
        padding-top: calc(0.75rem + env(safe-area-inset-top));
    }

    #concept-2 .bento-card {
        flex: 0 0 90vw;
        height: min(460px, 52vh);
    }

    #concept-2 .card-main h3 {
        font-size: 1.45rem;
    }

    #concept-2 .feature-list {
        gap: 10px;
    }
}

@media (hover: none) {
    * {
        cursor: auto !important;
    }

    .cursor,
    .cursor-follower {
        display: none !important;
    }
}

@supports (height: 100dvh) {
    body.snap-mode {
        height: 100dvh;
    }

    .hero-section {
        min-height: 100dvh;
    }

    .case-drawer {
        height: 100dvh;
    }
}