@import "site-nav-unified.css";

/* ========== DARK THEME (default) ========== */
:root {
    --bg: #0A0A0A;
    --bg-alt: #0F0F0F;
    --surface: #171717;
    --surface-hover: #1E1E1E;
    --text-main: #EDEDED;
    --text-muted: #888888;
    --accent: #D4AF37;
    --accent-hover: #e6c349;
    --accent-dim: rgba(212, 175, 55, 0.1);
    --accent-dim2: rgba(212, 175, 55, 0.05);
    --border: rgba(255, 255, 255, 0.08);
    --border-hover: rgba(255, 255, 255, 0.15);
    --card-shadow: 0 20px 60px rgba(0,0,0,0.4);
    --input-bg: rgba(255,255,255,0.05);
    --overlay-bg: rgba(0,0,0,0.8);
    --hero-img-opacity: 0.15;
    --gradient-hero: linear-gradient(to top, var(--bg) 5%, transparent 50%);
    --noise-opacity: 0.03;
    --stroke-color: rgba(255,255,255,0.4);
    --menu-bg: #050505;
    --cursor-color: var(--text-main);
    --cursor-border: rgba(255,255,255,0.3);
    --tabs-wrapper: rgba(30, 28, 28, 0.88);
}

/* ========== LIGHT THEME ========== */
[data-theme="light"] {
    --bg: #FAFAF8;
    --bg-alt: #F3F2EF;
    --surface: #FFFFFF;
    --surface-hover: #FAFAFA;
    --text-main: #1A1A1A;
    --text-muted: #6B6B6B;
    --accent: #B8960C;
    --accent-hover: #D4AF37;
    --accent-dim: rgba(184, 150, 12, 0.08);
    --accent-dim2: rgba(184, 150, 12, 0.04);
    --border: rgba(0, 0, 0, 0.08);
    --border-hover: rgba(0, 0, 0, 0.15);
    --card-shadow: 0 20px 60px rgba(0,0,0,0.08);
    --input-bg: rgba(0,0,0,0.03);
    --overlay-bg: rgba(255,255,255,0.85);
    --hero-img-opacity: 0.08;
    --gradient-hero: linear-gradient(to top, var(--bg) 5%, transparent 50%);
    --noise-opacity: 0.015;
    --stroke-color: rgba(0,0,0,0.15);
    --menu-bg: #F5F5F3;
    --cursor-color: var(--text-main);
    --cursor-border: rgba(0,0,0,0.2);
    --tabs-wrapper: rgba(246, 245, 241, 0.88);
}

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

body {
    background: var(--bg);
    color: var(--text-main);
    /* font-family: 'Manrope', sans-serif; */
    font-family: 'Space Grotesk', sans-serif;
    font-size: clamp(38px, 6.5vw, 68px);
    /* font-size: 16px; */
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
    transition: background 0.5s cubic-bezier(0.16, 1, 0.3, 1), color 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Nav: ẩn khi cuộn xuống, hiện lại khi cuộn lên (điều khiển bởi new-home-index.js) */
.site-nav {
    transform: translateY(0);
    transition:
        transform 0.45s cubic-bezier(0.16, 1, 0.3, 1),
        mix-blend-mode 0.5s;
    will-change: transform;
}
.site-nav.site-nav--hidden {
    transform: translateY(-108%);
    pointer-events: none;
}
@media (prefers-reduced-motion: reduce) {
    .site-nav {
        transition-duration: 0.01ms;
    }
}

.noise-overlay {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    opacity: var(--noise-opacity);
    z-index: 999;
    pointer-events: none;
    background: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
    transition: opacity 0.5s;
}

/* Custom Cursor */
.cursor {
    width: 8px; height: 8px;
    background: var(--cursor-color);
    border-radius: 50%;
    position: fixed;
    pointer-events: none;
    z-index: 10001;
    mix-blend-mode: difference;
    transition: width 0.3s, height 0.3s;
}
.cursor.hover { width: 4px; height: 4px; }
.cursor-follower {
    width: 32px; height: 32px;
    border: 1px solid var(--cursor-border);
    border-radius: 50%;
    position: fixed;
    pointer-events: none;
    z-index: 10000;
    transition: width 0.3s, height 0.3s, border-color 0.3s, background 0.3s;
}
.cursor-follower.hover {
    width: 60px; height: 60px;
    border-color: var(--accent);
    background: var(--accent-dim);
}

/* Khi header hiện: portfolio section cần scroll-margin = chiều cao nav (~88px) để anchor link đúng.
   Khi header ẩn: scroll-margin = 0. Giá trị này được cập nhật thêm bởi JS. */
#portfolio {
    scroll-margin-top: 88px;
    transition: scroll-margin-top 0.45s cubic-bezier(0.16, 1, 0.3, 1);
}

.tabs-wrapper {
    position: sticky;
    top: 75px;
    z-index: 50;
    padding: 20px 0 16px;
    background: var(--tabs-wrapper);
    backdrop-filter: blur(16px);
    transition: top 0.45s cubic-bezier(0.16, 1, 0.3, 1);
}
.tabs-wrapper.tabs-wrapper--header-hidden {
    top: 0;
}

/* Danh mục #categoryFilter: một hàng + cuộn ngang trên điện thoại/máy tính bảng */
.tabs-wrapper.tabs-wrapper--categories {
    align-items: center;
}
@media (max-width: 1023px) {
    .tabs-wrapper.tabs-wrapper--categories {
        flex-wrap: nowrap;
        overscroll-behavior-x: contain;
        -webkit-overflow-scrolling: touch;
    }
    .tabs-wrapper.tabs-wrapper--categories .cat-btn {
        flex-shrink: 0;
    }
}

/* Thanh cuộn ngang gọn cho hàng tabs (Firefox + WebKit) */
.scrollbar-thin-x {
    scrollbar-width: thin;
    scrollbar-color: var(--border) transparent;
}
.scrollbar-thin-x::-webkit-scrollbar {
    height: 6px;
}
.scrollbar-thin-x::-webkit-scrollbar-track {
    background: transparent;
}
.scrollbar-thin-x::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 999px;
}
@media (prefers-reduced-motion: reduce) {
    .tabs-wrapper,
    #portfolio {
        transition-duration: 0.01ms;
    }
}
/* Reveal */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: 1s cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal iconify-icon {
    font-size: 1rem;
}
.reveal.active { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* Display */
.display-xl {
    font-family: 'Space Grotesk', sans-serif;
    font-size: clamp(38px, 6.5vw, 68px);
    font-weight: 700;
    line-height: 1.06;
    letter-spacing: -0.03em;
    text-transform: uppercase;
    color: transparent;
    -webkit-text-stroke: 1px var(--stroke-color);
    transition: color 0.6s cubic-bezier(0.16, 1, 0.3, 1), -webkit-text-stroke 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}
.display-xl.filled, .display-xl:hover {
    color: var(--text-main);
    -webkit-text-stroke: 0;
}

.heading-lg {
    font-family: 'Space Grotesk', sans-serif;
    font-size: clamp(2rem, 4vw, 3.5rem);
    font-weight: 600;
    line-height: 1.05;
    letter-spacing: -0.02em;
}
.heading-md {
    font-family: 'Space Grotesk', sans-serif;
    font-size: clamp(1.25rem, 2vw, 1.75rem);
    font-weight: 500;
    letter-spacing: -0.01em;
}
.label-text {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.2em;
}

/* Hai đích chính (Website / Mobile): .site-nav-unified .site-nav-highlight — trong site-nav-unified.css */

.section-hero {
    padding: 5rem 4rem 5rem;
}

/* Theme Toggle */
.theme-toggle {
    width: 44px; height: 44px;
    border-radius: 50%;
    border: 1px solid var(--border);
    background: transparent;
    cursor: pointer;
    display: flex; align-items: center; justify-content: center;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    color: var(--text-main);
    position: relative;
    overflow: hidden;
}
.theme-toggle:hover {
    border-color: var(--accent);
    background: var(--accent-dim);
}
.theme-toggle .icon-sun,
.theme-toggle .icon-moon {
    position: absolute;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}
[data-theme="dark"] .theme-toggle .icon-sun { opacity: 1; transform: rotate(0deg) scale(1); }
[data-theme="dark"] .theme-toggle .icon-moon { opacity: 0; transform: rotate(90deg) scale(0.5); }
[data-theme="light"] .theme-toggle .icon-sun { opacity: 0; transform: rotate(-90deg) scale(0.5); }
[data-theme="light"] .theme-toggle .icon-moon { opacity: 1; transform: rotate(0deg) scale(1); }

/* Menu */
.menu-overlay {
    transform: translateY(-100%);
    transition: transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
    background: var(--menu-bg);
}
.menu-overlay.open { transform: translateY(0); }
.menu-link {
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), color 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}
.menu-link:hover { transform: translateX(20px); color: var(--accent); }

/* Category */
.cat-btn {
    padding: 0.6rem 1.5rem;
    border: 1px solid var(--border);
    border-radius: 999px;
    background: transparent;
    color: var(--text-muted);
    font-family: 'Manrope', sans-serif;
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    white-space: nowrap;
}
.cat-btn:hover { border-color: var(--border-hover); color: var(--text-main); }
.cat-btn.active { background: var(--accent); border-color: var(--accent); color: #000; }

/* Card */
.portfolio-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 1rem;
    overflow: hidden;
    transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
    opacity: 0;
    transform: translateY(20px);
    animation: cardIn 0.5s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}
.portfolio-card:hover {
    border-color: rgba(212, 175, 55, 0.3);
    transform: translateY(-4px);
    box-shadow: var(--card-shadow);
}
.portfolio-card .card-img { overflow: hidden; position: relative; }
.portfolio-card .card-img img {
    width: 100%;
    aspect-ratio: 16/10;
    object-fit: cover;
    transition: transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}
.portfolio-card:hover .card-img img { transform: scale(1.05); }
.portfolio-card .card-img .overlay {
    position: absolute; inset: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.7) 0%, transparent 60%);
    opacity: 0;
    transition: opacity 0.5s cubic-bezier(0.16, 1, 0.3, 1);
    display: flex; align-items: flex-end; padding: 1.5rem;
}
.portfolio-card:hover .card-img .overlay { opacity: 1; }

.tech-tag {
    display: inline-block;
    padding: 0.2rem 0.6rem;
    border: 1px solid var(--border);
    border-radius: 4px;
    font-size: 0.7rem;
    color: var(--text-muted);
    font-weight: 500;
    letter-spacing: 0.02em;
    background: var(--accent-dim2);
    transition: all 0.4s;
}
.price-tag {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--accent);
}
@keyframes cardIn { to { opacity: 1; transform: translateY(0); } }

/* Stats */
.stat-number {
    font-family: 'Space Grotesk', sans-serif;
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    color: var(--accent);
    line-height: 1;
}

/* Buttons */
.btn-primary {
    display: inline-flex; align-items: center; gap: 0.75rem;
    padding: 1rem 2rem;
    background: var(--accent); color: #000;
    font-family: 'Manrope', sans-serif;
    font-size: 0.875rem; font-weight: 600;
    text-transform: uppercase; letter-spacing: 0.2em;
    border: none; cursor: pointer;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    text-decoration: none;
}
.btn-primary:hover { background: var(--accent-hover); transform: translateY(-2px); }
.btn-outline {
    display: inline-flex; align-items: center; gap: 0.75rem;
    padding: 1rem 2rem;
    background: transparent; color: var(--text-main);
    font-family: 'Manrope', sans-serif !important;
    font-size: 0.875rem !important; font-weight: 600 !important;
    text-transform: uppercase; letter-spacing: 0.2em;
    border: 1px solid var(--border); cursor: pointer;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    text-decoration: none;
}
.btn-outline:hover { border-color: var(--accent); color: var(--accent); }

/* Testimonial */
.testimonial-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 1rem;
    padding: 2.5rem;
    transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}
.testimonial-card:hover { border-color: rgba(212, 175, 55, 0.2); box-shadow: var(--card-shadow); }

/* Marquee */
@keyframes marquee { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }
.marquee-track { animation: marquee 30s linear infinite; }
.marquee-track:hover { animation-play-state: paused; }

@keyframes pulse { 50% { opacity: 0.5; } }

/* Modal */
.modal-overlay {
    position: fixed; inset: 0;
    background: var(--overlay-bg);
    backdrop-filter: blur(10px);
    z-index: 1000;
    display: flex; align-items: center; justify-content: center;
    opacity: 0; pointer-events: none;
    transition: opacity 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}
.modal-overlay.open { opacity: 1; pointer-events: all; }
.modal-content {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 1rem;
    max-width: 800px; width: 90%; max-height: 90vh; overflow-y: auto;
    transform: scale(0.95) translateY(20px);
    transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1), background 0.5s, border-color 0.5s;
}
.modal-overlay.open .modal-content { transform: scale(1) translateY(0); }

.filter-info {
    display: flex; align-items: center; justify-content: space-between;
    padding: 1rem 0; border-bottom: 1px solid var(--border); margin-bottom: 2rem;
    transition: border-color 0.5s;
}

/* Toast */
.toast {
    position: fixed; bottom: 2rem; right: 2rem;
    background: var(--surface);
    border: 1px solid var(--accent);
    border-radius: 0.75rem;
    padding: 1rem 1.5rem;
    color: var(--text-main);
    font-size: 0.875rem;
    z-index: 2000;
    transform: translateY(100px); opacity: 0;
    transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
    display: flex; align-items: center; gap: 0.75rem;
    box-shadow: 0 10px 40px rgba(0,0,0,0.15);
}
.toast.show { transform: translateY(0); opacity: 1; }

/* CTA Card glow */
.cta-card {
    position: relative; overflow: hidden;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 2rem;
    padding: clamp(3rem, 6vw, 6rem);
    text-align: center;
    transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}
[data-theme="light"] .cta-card {
    box-shadow: 0 4px 80px rgba(184, 150, 12, 0.06);
}
.cta-glow-1 {
    position: absolute; top: -100px; right: -100px;
    width: 300px; height: 300px;
    background: var(--accent-dim); border-radius: 50%;
    filter: blur(80px);
    transition: background 0.5s;
}
.cta-glow-2 {
    position: absolute; bottom: -100px; left: -100px;
    width: 250px; height: 250px;
    background: var(--accent-dim); border-radius: 50%;
    filter: blur(80px);
    transition: background 0.5s;
}

/* Inputs */
.form-input {
    background: var(--input-bg);
    border: 1px solid var(--border);
    border-radius: 0.5rem;
    padding: 0.9rem 1.2rem;
    color: var(--text-main);
    font-family: 'Manrope', sans-serif;
    font-size: 0.9rem;
    outline: none;
    transition: border-color 0.3s, background 0.5s, color 0.5s;
    width: 100%;
}
.form-input:focus { border-color: var(--accent); }
.form-input::placeholder { color: var(--text-muted); }
select.form-input { cursor: pointer; }
select.form-input option { background: var(--surface); color: var(--text-main); }

/* Light nav fix */
[data-theme="light"] nav { mix-blend-mode: normal; }
[data-theme="light"] nav a { color: var(--text-main) !important; }
[data-theme="light"] nav .nav-logo-circle { border-color: var(--text-main) !important; }
[data-theme="light"] nav .nav-logo-circle span { color: var(--text-main) !important; }
[data-theme="light"] nav .nav-logo-text { color: var(--text-main) !important; }
[data-theme="light"] nav .menu-circle { border-color: var(--border-hover) !important; }
[data-theme="light"] nav .menu-circle iconify-icon { color: var(--text-main) !important; }

/* Scrollbar */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border-hover); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* Process border */
.process-step {
    border-left: 1px solid var(--border);
    padding-left: 2rem;
    transition: border-color 0.5s;
}

@media (max-width: 1024px) {
    .cursor, .cursor-follower { display: none !important; }
}
@media (max-width: 768px) {
    .portfolio-card .card-img .overlay { opacity: 1; }
}

/* Badge trên thẻ mẫu (dữ liệu động) */
.portfolio-card .card-badge {
    position: absolute;
    top: 0.75rem;
    left: 0.75rem;
    z-index: 2;
    font-size: 0.65rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
}
.portfolio-card .card-badge.hot {
    background: rgba(220, 38, 38, 0.9);
    color: #fff;
}
.portfolio-card .card-badge.new {
    background: var(--accent);
    color: #000;
}