:root {
    --primary: #ff6b35;
    --primary-dark: #e55a2b;
    --accent: #f7931e;
    --text: #1a1a1a;
    --text-muted: #666;
    --bg: #ffffff;
    --bg-soft: #faf8f6;
    --border: #ebebeb;
    --card-bg: #ffffff;
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
    --shadow-md: 0 8px 28px rgba(0,0,0,0.08);
    --shadow-hover: 0 16px 40px rgba(255,107,53,0.14);
    --radius: 18px;
    --radius-sm: 10px;
    --ease: 0.35s cubic-bezier(0.4,0,0.2,1);
}
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    font-family: 'Inter', -apple-system, sans-serif;
    color: var(--text);
    background: var(--bg);
    font-size: 1rem;
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}
h1,h2,h3,h4,h5,h6 {
    font-family: 'Poppins', sans-serif;
    font-weight: 700;
    line-height: 1.2;
}
img { display: block; max-width: 100%; }
a { text-decoration: none; }
.container {
    width: 100%;
    max-width: 1260px;
    margin: 0 auto;
    padding: 0 24px;
}

header {
    background: #111;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 16px rgba(0,0,0,0.18);
}
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 68px;
    gap: 1rem;
}
.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #fff;
    font-family: 'Poppins', sans-serif;
    font-weight: 800;
    font-size: 1.45rem;
    letter-spacing: -0.4px;
    white-space: nowrap;
    transition: color var(--ease);
}
.logo img {
    width: 38px;
    height: 38px;
    border-radius: 7px;
    flex-shrink: 0;
}
.logo:hover { color: var(--primary); }

nav.desktop-nav { display: flex; }
nav.desktop-nav ul {
    display: flex;
    list-style: none;
    gap: 0.2rem;
}
nav.desktop-nav a {
    color: #ccc;
    font-size: 0.88rem;
    font-weight: 500;
    padding: 0.45rem 0.75rem;
    border-radius: 7px;
    transition: all 0.25s;
    display: block;
}
nav.desktop-nav a:hover {
    color: #fff;
    background: rgba(255,255,255,0.08);
}

.burger {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 40px;
    height: 40px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 6px;
    border-radius: 8px;
    transition: background 0.2s;
    flex-shrink: 0;
}
.burger:hover { background: rgba(255,255,255,0.1); }
.burger span {
    display: block;
    height: 2px;
    background: #fff;
    border-radius: 2px;
    transition: all 0.3s;
    transform-origin: center;
}
.burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #1a1a1a;
    border-top: 1px solid #2a2a2a;
    box-shadow: 0 16px 40px rgba(0,0,0,0.3);
    z-index: 999;
    padding: 1rem;
}
.mobile-nav.open { display: block; }
.mobile-nav ul { list-style: none; }
.mobile-nav a {
    display: block;
    color: #ccc;
    font-size: 1rem;
    font-weight: 500;
    padding: 0.8rem 1rem;
    border-radius: 9px;
    transition: all 0.2s;
}
.mobile-nav a:hover {
    color: #fff;
    background: rgba(255,255,255,0.07);
}

.hero {
    background: linear-gradient(145deg, #111 0%, #1e1e1e 100%);
    color: #fff;
    padding: 7rem 0 6rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}
.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 25% 30%, rgba(255,107,53,0.18) 0%, transparent 55%),
                radial-gradient(ellipse at 75% 70%, rgba(247,147,30,0.1) 0%, transparent 50%);
    pointer-events: none;
}
.hero h1 {
    font-size: clamp(2.4rem, 5.5vw, 4rem);
    font-weight: 800;
    margin-bottom: 1.3rem;
    letter-spacing: -1px;
}
.hero h1 span { color: var(--primary); }
.hero p {
    font-size: clamp(1.05rem, 2.5vw, 1.25rem);
    color: rgba(255,255,255,0.75);
    max-width: 640px;
    margin: 0 auto 2.5rem;
}
.hero-ctas { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-weight: 600;
    font-size: 0.97rem;
    padding: 0.85rem 2.2rem;
    border-radius: 50px;
    transition: all var(--ease);
    cursor: pointer;
    border: none;
    font-family: inherit;
}
.btn-primary {
    background: var(--primary);
    color: #fff;
    box-shadow: 0 6px 22px rgba(255,107,53,0.35);
}
.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(255,107,53,0.45);
}
.btn-outline {
    background: transparent;
    color: rgba(255,255,255,0.85);
    border: 1.5px solid rgba(255,255,255,0.25);
}
.btn-outline:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: rgba(255,107,53,0.07);
}

section { padding: 6rem 0; }
section.alt { background: var(--bg-soft); }

.section-header {
    text-align: center;
    margin-bottom: 3.5rem;
}
.section-header h2 {
    font-size: clamp(1.9rem, 4vw, 2.7rem);
    color: #111;
    letter-spacing: -0.5px;
}
.section-header p {
    color: var(--text-muted);
    margin-top: 1rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    font-size: 1.05rem;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.8rem;
}
.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.8rem;
}

.card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 2.2rem 2rem;
    box-shadow: var(--shadow-sm);
    transition: all var(--ease);
    position: relative;
}
.card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-hover);
    border-color: var(--primary);
}
.card-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: rgba(255,107,53,0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.2rem;
    font-size: 1.4rem;
}
.card h3 {
    font-size: 1.2rem;
    color: #111;
    margin-bottom: 0.75rem;
}
.card p {
    color: var(--text-muted);
    font-size: 0.97rem;
    line-height: 1.75;
}
.card-link {
    color: var(--primary);
    font-weight: 600;
    font-size: 0.9rem;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    margin-top: 1.3rem;
    transition: gap 0.25s;
}
.card-link:hover { gap: 10px; }

.tabs-wrap {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-md);
    overflow: hidden;
}
.tabs-bar {
    display: flex;
    border-bottom: 1px solid var(--border);
    overflow-x: auto;
    scrollbar-width: none;
    background: var(--bg-soft);
}
.tabs-bar::-webkit-scrollbar { display: none; }
.tab-btn {
    flex: 1 0 auto;
    min-width: 110px;
    padding: 1rem 1.4rem;
    background: none;
    border: none;
    border-bottom: 2.5px solid transparent;
    cursor: pointer;
    font-family: 'Poppins', sans-serif;
    font-weight: 600;
    font-size: 0.88rem;
    color: var(--text-muted);
    transition: all 0.25s;
    white-space: nowrap;
    margin-bottom: -1px;
}
.tab-btn:hover { color: var(--primary); background: rgba(255,107,53,0.04); }
.tab-btn.active { color: var(--primary); border-bottom-color: var(--primary); background: var(--bg); }

.tab-panel {
    display: none;
    padding: 2.5rem 2.2rem;
    animation: fadeUp 0.3s ease;
}
.tab-panel.active { display: block; }
@keyframes fadeUp {
    from { opacity: 0; transform: translateY(6px); }
    to { opacity: 1; transform: translateY(0); }
}
.tab-panel h3 { color: #111; margin-bottom: 0.7rem; font-size: 1.3rem; }
.tab-panel > p { color: var(--text-muted); margin-bottom: 1.5rem; }
.tab-list { list-style: none; display: grid; grid-template-columns: 1fr 1fr; gap: 0.5rem 2rem; }
.tab-list li {
    color: var(--text-muted);
    font-size: 0.95rem;
    padding-left: 1.4rem;
    position: relative;
}
.tab-list li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: var(--primary);
    font-weight: 700;
}

.table-wrap {
    overflow-x: auto;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-md);
    -webkit-overflow-scrolling: touch;
}
table {
    width: 100%;
    border-collapse: collapse;
    min-width: 640px;
    font-size: 0.93rem;
}
thead { background: #111; }
thead th {
    padding: 1rem 1.2rem;
    color: rgba(255,255,255,0.9);
    font-family: 'Poppins', sans-serif;
    font-weight: 600;
    font-size: 0.82rem;
    text-align: left;
    letter-spacing: 0.4px;
    white-space: nowrap;
}
tbody tr { border-bottom: 1px solid var(--border); transition: background 0.2s; }
tbody tr:last-child { border-bottom: none; }
tbody tr:hover { background: #fffaf7; }
tbody td { padding: 1rem 1.2rem; color: var(--text-muted); vertical-align: middle; }
tbody td:first-child { font-weight: 600; color: #111; }
.badge {
    display: inline-block;
    padding: 0.22rem 0.7rem;
    border-radius: 50px;
    font-size: 0.77rem;
    font-weight: 700;
}
.badge-orange { background: #fff0e8; color: #c4430d; }
.badge-green { background: #e6f4ea; color: #1e6b30; }
.badge-blue { background: #e3f0fd; color: #1252a3; }

.stats-section {
    background: #111;
    color: #fff;
    padding: 6rem 0;
}
.stats-section .section-header h2 { color: #fff; }
.stats-section .section-header p { color: rgba(255,255,255,0.6); }
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}
.stat-card {
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius);
    padding: 2rem 1.5rem;
    text-align: center;
    transition: all var(--ease);
}
.stat-card:hover {
    background: rgba(255,107,53,0.12);
    border-color: rgba(255,107,53,0.3);
    transform: translateY(-4px);
}
.stat-num {
    font-family: 'Poppins', sans-serif;
    font-size: 2.8rem;
    font-weight: 800;
    color: var(--primary);
    line-height: 1;
    margin-bottom: 0.6rem;
}
.stat-desc {
    font-size: 0.88rem;
    color: rgba(255,255,255,0.65);
    line-height: 1.5;
}

.faq-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    max-width: 1000px;
    margin: 0 auto;
}
.faq-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 2rem 1.8rem;
    box-shadow: var(--shadow-sm);
    transition: all var(--ease);
}
.faq-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-hover);
    transform: translateY(-4px);
}
.faq-card h3 {
    font-size: 1.05rem;
    color: #111;
    margin-bottom: 0.8rem;
    padding-bottom: 0.8rem;
    border-bottom: 1.5px solid var(--border);
}
.faq-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.75;
}

.btn-white {
    background: #fff;
    color: var(--primary);
    box-shadow: 0 6px 24px rgba(0,0,0,0.15);
}
.btn-white:hover {
    background: #fff;
    transform: translateY(-3px);
    box-shadow: 0 12px 32px rgba(0,0,0,0.2);
}

footer {
    background: #0d0d0d;
    padding: 4.5rem 0 2rem;
}
.footer-top {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: 3rem;
    padding-bottom: 3rem;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-brand .logo { margin-bottom: 1rem; }
.footer-brand p {
    color: rgba(255,255,255,0.5);
    font-size: 0.92rem;
    line-height: 1.7;
    max-width: 280px;
}
.footer-col h4 {
    color: rgba(255,255,255,0.9);
    font-size: 0.88rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    margin-bottom: 1.2rem;
}
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 0.6rem; }
.footer-col ul li a {
    color: rgba(255,255,255,0.5);
    font-size: 0.92rem;
    transition: color 0.2s;
}
.footer-col ul li a:hover { color: var(--primary); }
.footer-bottom {
    padding-top: 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
}
.footer-bottom p { color: rgba(255,255,255,0.35); font-size: 0.85rem; }
.insta-link {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    color: rgba(255,255,255,0.5);
    font-size: 0.88rem;
    font-weight: 600;
    transition: color 0.2s;
}
.insta-link:hover { color: var(--primary); }

@media (max-width: 1100px) {
    .grid-3 { grid-template-columns: repeat(2, 1fr); }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-top { grid-template-columns: 1fr 1fr; }
    .footer-brand { grid-column: 1 / -1; }
}
@media (max-width: 900px) {
    nav.desktop-nav { display: none; }
    .burger { display: flex; }
    .tab-list { grid-template-columns: 1fr; }
    .faq-grid { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
    section { padding: 4rem 0; }
    .stats-section { padding: 4rem 0; }
    .projects-section { padding: 4rem 0; }
    .hero { padding: 5rem 0 4.5rem; }
    .grid-3, .grid-2 { grid-template-columns: 1fr; }
    .tab-panel { padding: 1.8rem 1.4rem; }
    .logo { font-size: 1.25rem; }
    .logo img { width: 32px; height: 32px; }
}
@media (max-width: 600px) {
    .footer-top { grid-template-columns: 1fr; gap: 2rem; }
    .footer-brand { grid-column: auto; }
    .footer-bottom { flex-direction: column; align-items: flex-start; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 1rem; }
    .stat-num { font-size: 2.2rem; }
    .hero h1 { letter-spacing: -0.5px; }
}
@media (max-width: 420px) {
    .container { padding: 0 14px; }
    .stats-grid { grid-template-columns: 1fr 1fr; }
    .hero-ctas { flex-direction: column; align-items: center; }
    .btn { width: 100%; max-width: 280px; justify-content: center; }
    .logo { font-size: 1.1rem; }
    .logo img { width: 28px; height: 28px; }
}