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

:root {
    --color-dark: #151921;
    --color-gold: #FFD166;
    --color-mint: #06D6A0;
    --color-bg: #F8F9FA;
    --color-card: #FFFFFF;
    --color-text: #1F2937;
    --color-muted: #6B7280;
    --color-border: #E5E7EB;
    --color-section-alt: #EEF0F4;
    --color-footer-bg: #11161D;
    --font-heading: 'Georgia', 'Times New Roman', serif;
    --font-body: system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
}

html { scroll-behavior: smooth; }

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.7;
    color: var(--color-text);
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
}

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

a { text-decoration: none; color: inherit; }

ul { list-style: none; }

h1, h2, h3, h4 { font-family: var(--font-heading); line-height: 1.25; }

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.sr-only {
    position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
    overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0;
}

/* ─── NAVIGATION (class selector only, not bare nav) ─── */
.site-nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    height: 72px;
    background-color: var(--color-dark);
    box-shadow: 0 2px 12px rgba(0,0,0,0.12);
    z-index: 1000;
    display: flex;
    align-items: center;
    transition: background-color 0.3s;
}

.site-nav.scrolled {
    background: rgba(21, 25, 33, 0.97);
}

.site-nav .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.site-nav .nav-logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-gold);
    letter-spacing: 0.02em;
}

.site-nav .nav-links {
    display: flex;
    align-items: center;
    gap: 36px;
}

.site-nav .nav-links a {
    font-size: 0.95rem;
    font-weight: 500;
    color: #ffffff;
    position: relative;
    padding: 6px 0;
    transition: color 0.25s;
}

.site-nav .nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0; left: 0;
    width: 0; height: 2px;
    background-color: var(--color-gold);
    transition: width 0.25s;
}

.site-nav .nav-links a:hover,
.site-nav .nav-links a.active {
    color: var(--color-gold);
}

.site-nav .nav-links a:hover::after,
.site-nav .nav-links a.active::after {
    width: 100%;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 1001;
}

.nav-toggle span {
    display: block;
    width: 26px;
    height: 2.5px;
    background-color: #ffffff;
    border-radius: 2px;
    transition: transform 0.3s, opacity 0.3s;
}

.nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.active span:nth-child(2) {
    opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

@media (max-width: 860px) {
    .nav-toggle { display: flex; }

    .site-nav .nav-links {
        position: fixed;
        top: 0; right: -100%;
        width: 280px; height: 100vh;
        background-color: var(--color-dark);
        flex-direction: column;
        align-items: flex-start;
        padding: 100px 32px 40px;
        gap: 28px;
        transition: right 0.35s ease;
        box-shadow: -4px 0 24px rgba(0,0,0,0.25);
    }

    .site-nav .nav-links.open { right: 0; }

    .site-nav .nav-links a { font-size: 1.1rem; }
}

/* ─── HERO ─── */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--color-dark) 0%, #1E2530 50%, #1A2030 100%);
    color: #ffffff;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: -180px; right: -120px;
    width: 520px; height: 520px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255, 209, 102, 0.12) 0%, transparent 70%);
}

.hero-section::after {
    content: '';
    position: absolute;
    bottom: -140px; left: -100px;
    width: 480px; height: 480px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(6, 214, 160, 0.08) 0%, transparent 70%);
}

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

.hero-content { max-width: 680px; }

.hero-tagline {
    display: inline-block;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-mint);
    background: rgba(6, 214, 160, 0.1);
    padding: 8px 18px;
    border-radius: 30px;
    margin-bottom: 28px;
}

.hero-content h1 {
    font-size: 3.4rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 22px;
    letter-spacing: -0.01em;
}

.hero-content h1 span { color: var(--color-gold); }

.hero-content p {
    font-size: 1.15rem;
    color: #B0B8C4;
    margin-bottom: 36px;
    max-width: 540px;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 34px;
    background-color: var(--color-gold);
    color: var(--color-dark);
    font-weight: 700;
    font-size: 0.95rem;
    border-radius: 8px;
    border: 2px solid var(--color-gold);
    cursor: pointer;
    transition: background-color 0.25s, transform 0.2s;
}

.btn-primary:hover {
    background-color: #FFE08A;
    transform: translateY(-2px);
}

.btn-outline {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 34px;
    background-color: transparent;
    color: #ffffff;
    font-weight: 700;
    font-size: 0.95rem;
    border-radius: 8px;
    border: 2px solid #ffffff;
    cursor: pointer;
    transition: border-color 0.25s, color 0.25s, transform 0.2s;
}

.btn-outline:hover {
    border-color: var(--color-gold);
    color: var(--color-gold);
    transform: translateY(-2px);
}

.hero-visual {
    position: absolute;
    right: 8%;
    top: 50%;
    transform: translateY(-50%);
}

.hero-card-stack { position: relative; }

.hero-float-card {
    width: 260px;
    padding: 24px;
    background: rgba(30, 37, 48, 0.92);
    border: 1px solid rgba(255, 209, 102, 0.15);
    border-radius: 14px;
    color: #ffffff;
}

.hero-float-card .card-icon {
    width: 44px; height: 44px;
    border-radius: 10px;
    background: rgba(255, 209, 102, 0.15);
    display: flex; align-items: center; justify-content: center;
    margin-bottom: 14px;
}

.hero-float-card .card-icon svg { width: 24px; height: 24px; fill: var(--color-gold); }

.hero-float-card h4 {
    font-family: var(--font-body);
    font-size: 1rem; font-weight: 600;
    margin-bottom: 6px;
    color: #ffffff;
}

.hero-float-card p {
    font-size: 0.85rem;
    color: #94A3B8;
    margin-bottom: 0;
}

@media (max-width: 1024px) {
    .hero-visual { display: none; }
}

@media (max-width: 640px) {
    .hero-content h1 { font-size: 2.2rem; }
    .hero-content p { font-size: 1rem; }
    .btn-primary, .btn-outline { padding: 12px 24px; font-size: 0.9rem; }
}

/* ─── ABOUT ─── */
.about-section {
    padding: 100px 0;
    background-color: var(--color-bg);
}

.section-label {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-mint);
    background: rgba(6, 214, 160, 0.08);
    padding: 6px 16px;
    border-radius: 20px;
    margin-bottom: 16px;
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-grid h2 {
    font-size: 2.4rem;
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: 20px;
    margin-top: 8px;
}

.about-grid h2 span { color: var(--color-gold); }

.about-grid p {
    font-size: 1.05rem;
    color: var(--color-muted);
    margin-bottom: 18px;
}

.about-highlights {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-top: 28px;
}

.about-highlight-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 16px;
    background-color: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: 10px;
    transition: transform 0.25s, box-shadow 0.25s;
}

.about-highlight-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.06);
}

.about-highlight-item .hl-icon {
    width: 40px; height: 40px;
    border-radius: 8px;
    background: rgba(6, 214, 160, 0.1);
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0;
}

.about-highlight-item .hl-icon svg { width: 20px; height: 20px; fill: var(--color-mint); }

.about-highlight-item h4 {
    font-family: var(--font-body);
    font-size: 0.95rem; font-weight: 600;
    color: var(--color-dark);
    margin-bottom: 2px;
}

.about-highlight-item p {
    font-size: 0.85rem;
    color: var(--color-muted);
    margin-bottom: 0;
}

.about-image-stack { position: relative; }

.about-main-stat {
    padding: 40px;
    background: linear-gradient(135deg, var(--color-dark), #1E2530);
    border-radius: 18px;
    color: #ffffff;
    text-align: center;
}

.about-main-stat .stat-number {
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 700;
    color: var(--color-gold);
    display: block;
}

.about-main-stat .stat-label {
    font-size: 1rem;
    color: #B0B8C4;
    margin-top: 4px;
}

.about-client-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
    margin-top: 24px;
}

.about-client-card {
    padding: 28px 20px;
    background-color: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    text-align: center;
    transition: transform 0.25s;
}

.about-client-card:hover { transform: translateY(-3px); }

.about-client-card .cc-number {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--color-mint);
}

.about-client-card .cc-label {
    font-size: 0.82rem;
    color: var(--color-muted);
    margin-top: 4px;
}

@media (max-width: 860px) {
    .about-grid { grid-template-columns: 1fr; gap: 40px; }
    .about-highlights { grid-template-columns: 1fr; }
}

/* ─── SERVICES ─── */
.services-section {
    padding: 100px 0;
    background-color: var(--color-section-alt);
}

.services-header {
    text-align: center;
    margin-bottom: 56px;
}

.services-header h2 {
    font-size: 2.4rem;
    font-weight: 700;
    color: var(--color-dark);
    margin-top: 8px;
}

.services-header h2 span { color: var(--color-gold); }

.services-header p {
    font-size: 1.05rem;
    color: var(--color-muted);
    margin-top: 14px;
    max-width: 560px;
    margin-left: auto; margin-right: auto;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.service-card {
    padding: 40px 30px;
    background-color: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: 14px;
    transition: transform 0.3s, box-shadow 0.3s;
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-gold), var(--color-mint));
    opacity: 0;
    transition: opacity 0.3s;
}

.service-card:hover { transform: translateY(-6px); box-shadow: 0 16px 40px rgba(0,0,0,0.08); }
.service-card:hover::before { opacity: 1; }

.service-card .svc-icon {
    width: 56px; height: 56px;
    border-radius: 14px;
    display: flex; align-items: center; justify-content: center;
    margin-bottom: 22px;
}

.service-card .svc-icon svg { width: 28px; height: 28px; }

.service-card .svc-icon.gold { background: rgba(255, 209, 102, 0.15); }
.service-card .svc-icon.gold svg { fill: var(--color-gold); }
.service-card .svc-icon.mint { background: rgba(6, 214, 160, 0.12); }
.service-card .svc-icon.mint svg { fill: var(--color-mint); }

.service-card h3 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: 12px;
}

.service-card p {
    font-size: 0.95rem;
    color: var(--color-muted);
    line-height: 1.7;
}

@media (max-width: 900px) {
    .services-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 600px) {
    .services-grid { grid-template-columns: 1fr; }
}

/* ─── TECH ─── */
.tech-section {
    padding: 100px 0;
    background-color: var(--color-bg);
}

.tech-header {
    text-align: center;
    margin-bottom: 56px;
}

.tech-header h2 {
    font-size: 2.4rem;
    font-weight: 700;
    color: var(--color-dark);
    margin-top: 8px;
}

.tech-header h2 span { color: var(--color-gold); }

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

.tech-card {
    padding: 32px 22px;
    background-color: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    text-align: center;
    transition: transform 0.3s, box-shadow 0.3s;
}

.tech-card:hover { transform: translateY(-4px); box-shadow: 0 12px 32px rgba(0,0,0,0.06); }

.tech-card .tc-icon {
    width: 50px; height: 50px;
    margin: 0 auto 16px;
    border-radius: 12px;
    background: rgba(6, 214, 160, 0.08);
    display: flex; align-items: center; justify-content: center;
}

.tech-card .tc-icon svg { width: 24px; height: 24px; fill: var(--color-mint); }

.tech-card h4 {
    font-family: var(--font-body);
    font-size: 1rem; font-weight: 600;
    color: var(--color-dark);
    margin-bottom: 6px;
}

.tech-card p {
    font-size: 0.85rem;
    color: var(--color-muted);
}

@media (max-width: 900px) {
    .tech-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 500px) {
    .tech-grid { grid-template-columns: 1fr; }
}

/* ─── CONTACT ─── */
.contact-section {
    padding: 100px 0;
    background-color: var(--color-section-alt);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 56px;
}

.contact-info h2 {
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: 14px;
    margin-top: 8px;
}

.contact-info h2 span { color: var(--color-gold); }

.contact-info > p {
    color: var(--color-muted);
    margin-bottom: 30px;
}

.contact-details { margin-bottom: 32px; }

.contact-item {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 18px;
}

.contact-item .ci-icon {
    width: 44px; height: 44px;
    border-radius: 10px;
    background: rgba(6, 214, 160, 0.1);
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0;
}

.contact-item .ci-icon svg { width: 20px; height: 20px; fill: var(--color-mint); }

.contact-item .ci-text strong {
    display: block;
    font-size: 0.85rem;
    color: var(--color-muted);
    font-weight: 500;
}

.contact-item .ci-text span {
    font-size: 1.02rem;
    color: var(--color-dark);
    font-weight: 600;
}

.contact-form-card {
    padding: 40px;
    background-color: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: 16px;
}

.form-group { margin-bottom: 20px; }

.form-group label {
    display: block;
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--color-dark);
    margin-bottom: 6px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 14px 16px;
    font-size: 0.95rem;
    font-family: var(--font-body);
    color: var(--color-dark);
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    transition: border-color 0.25s, box-shadow 0.25s;
    outline: none;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--color-mint);
    box-shadow: 0 0 0 3px rgba(6, 214, 160, 0.12);
}

.form-group textarea { min-height: 130px; resize: vertical; }

.form-status {
    text-align: center;
    padding: 12px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.9rem;
    display: none;
}

.form-status.success { display: block; background: rgba(6, 214, 160, 0.1); color: #059669; }
.form-status.error { display: block; background: rgba(239, 68, 68, 0.08); color: #DC2626; }

@media (max-width: 800px) {
    .contact-grid { grid-template-columns: 1fr; }
}

/* ─── FOOTER ─── */
.site-footer {
    background-color: var(--color-footer-bg);
    color: #ffffff;
    padding: 56px 0 28px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-brand h3 {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--color-gold);
    margin-bottom: 12px;
}

.footer-brand p {
    font-size: 0.9rem;
    color: #94A3B8;
    line-height: 1.7;
}

.footer-links h4 {
    font-family: var(--font-body);
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-mint);
    margin-bottom: 16px;
}

.footer-links ul { display: flex; flex-direction: column; gap: 10px; }

.footer-links a {
    font-size: 0.9rem;
    color: #94A3B8;
    transition: color 0.25s;
}

.footer-links a:hover { color: var(--color-gold); }

.footer-bottom {
    padding-top: 24px;
    border-top: 1px solid rgba(255,255,255,0.08);
    text-align: center;
}

.footer-bottom p {
    font-size: 0.82rem;
    color: #64748B;
}

@media (max-width: 800px) {
    .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 500px) {
    .footer-grid { grid-template-columns: 1fr; }
}

/* ─── SCROLL ANIMATIONS ─── */
.fade-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-up.visible {
    opacity: 1;
    transform: translateY(0);
}