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

:root {
    --bg: #0a0a0b;
    --bg-elevated: #111113;
    --bg-card: #161618;
    --text: #e8e6e1;
    --text-dim: #8a8880;
    --text-muted: #55534e;
    --accent: #c9a55a;
    --accent-glow: #c9a55a33;
    --accent2: #5a8fc9;
    --border: #222224;
    --shadow-card: 0 24px 48px -12px rgba(0,0,0,0.5);
    --nav-color: #fff;
    --serif: 'Instrument Serif', Georgia, serif;
    --sans: 'DM Sans', system-ui, sans-serif;
    --mono: 'JetBrains Mono', monospace;
    --serifTimes: 'Times New Roman', serif;
    --transition-theme: background 0.5s cubic-bezier(0.25,1,0.5,1), color 0.5s cubic-bezier(0.25,1,0.5,1), border-color 0.5s cubic-bezier(0.25,1,0.5,1), box-shadow 0.5s cubic-bezier(0.25,1,0.5,1);
}

/* ── LIGHT THEME ── */
[data-theme="light"] {
    --bg: #f4f1ec;
    --bg-elevated: #ebe7e0;
    --bg-card: #ffffff;
    --text: #1a1917;
    --text-dim: #5c5a54;
    --text-muted: #9e9b93;
    --line-muted: #f4f1ec;
    --accent: #9a7b2d;
    --accent-glow: #9a7b2d22;
    --accent2: #2d6a9a;
    --border: #d6d2ca;
    --shadow-card: 0 24px 48px -12px rgba(0,0,0,0.08);
    --nav-color: #1a1917;
}
[data-theme="light"] .hero-grain { opacity: 0.015; }
[data-theme="light"] .app-card:hover {
    box-shadow: 0 24px 48px -12px rgba(0,0,0,0.1), 0 0 0 1px var(--accent-glow);
}
[data-theme="light"] .contact-btn { color: #f4f1ec; }
[data-theme="light"] .window-bar span:first-child { background: #c97e7e55; }
[data-theme="light"] .window-bar span:nth-child(2) { background: #c9a55a55; }
[data-theme="light"] .window-bar span:nth-child(3) { background: #7ec98a55; }
[data-theme="light"] .code-fn { color: #2d8a4e; }
[data-theme="light"] .code-str { color: #b05050; }

html { scroll-behavior: auto; /* GSAP handles smooth scroll */ }

body {
    background: var(--bg);
    color: var(--text);
    font-family: var(--sans);
    font-weight: 300;
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    transition: var(--transition-theme);
}

::selection { background: var(--accent); color: var(--bg); }

/* ── NAV ── */
.nav {
    position: fixed; top: 0; left: 0; right: 0; z-index: 100;
    display: flex; align-items: center; justify-content: space-between;
    padding: 1.5rem 3rem; background: var(--bg);
}
.nav-logo {
    font-family: var(--serifTimes); font-size: 1.25rem; color: var(--nav-color);
    letter-spacing: 0.02em; transition: color 0.5s;
    display: flex; font-style: italic; align-items: center;
}

.nav-logo img {
    width: 60px;
    padding-right: 10px;
}

.nav-right {
    display: flex; align-items: center; gap: 2rem;
}
.nav-links { display: flex; gap: 2.5rem; align-items: center; }
.nav-link {
    font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.15em;
    color: var(--nav-color); text-decoration: none; font-weight: 400;
    position: relative; transition: opacity 0.3s, color 0.5s;
}
.nav-link::after {
    content: ''; position: absolute; bottom: -4px; left: 0;
    width: 0; height: 1px; background: var(--nav-color); transition: width 0.4s cubic-bezier(0.25, 1, 0.5, 1), background 0.5s;
}
.nav-link:hover::after { width: 100%; }
.nav-toggle { display: none; background: none; border: none; cursor: pointer; }
.nav-toggle span {
    display: block; width: 24px; height: 1.5px; background: var(--nav-color);
    margin: 5px 0; transition: 0.3s, background 0.5s;
}

/* ── THEME TOGGLE ── */
.theme-toggle {
    width: 40px; height: 40px; border-radius: 50%;
    border: 1px solid var(--border); background: transparent;
    cursor: pointer; display: flex; align-items: center; justify-content: center;
    transition: border-color 0.3s, transform 0.3s, background 0.3s;
    position: relative; overflow: hidden;
}
.theme-toggle:hover {
    border-color: var(--accent); transform: scale(1.08);
}
.theme-toggle svg {
    width: 18px; height: 18px; color: var(--nav-color);
    transition: color 0.5s, transform 0.5s cubic-bezier(0.25,1,0.5,1);
}
.theme-toggle .icon-sun { position: absolute; opacity: 0; transform: rotate(-90deg) scale(0.5); }
.theme-toggle .icon-moon { position: absolute; opacity: 1; transform: rotate(0deg) scale(1); }
[data-theme="light"] .theme-toggle .icon-sun { opacity: 1; transform: rotate(0deg) scale(1); }
[data-theme="light"] .theme-toggle .icon-moon { opacity: 0; transform: rotate(90deg) scale(0.5); }

/* ── HERO ── */
.hero {
    position: relative; min-height: 100vh; display: flex;
    align-items: center; padding: 0 3rem;
    overflow: hidden;
}
.hero-grain {
    position: absolute; inset: 0; opacity: 0.03; pointer-events: none;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
    background-size: 128px; background-repeat: repeat;
}
.hero-content { position: relative; z-index: 2; max-width: 900px; }
.hero-tag {
    font-family: var(--mono); font-size: 0.75rem; letter-spacing: 0.2em;
    text-transform: uppercase; color: var(--accent); margin-bottom: 2rem;
}
.hero-title {
    font-family: var(--serif); font-weight: 400;
    font-size: clamp(3.5rem, 8vw, 7.5rem); line-height: 1.05;
    letter-spacing: -0.02em; margin-bottom: 2rem;
}
.hero-line { display: block; }
.hero-word {
    display: inline-block;
    transform: translateY(100%);
}
.hero-word--accent {
    font-style: italic; color: var(--accent);
}
.hero-sub {
    font-size: 1.1rem; color: var(--text-dim); max-width: 480px;
    line-height: 1.7;
}
.hero-scroll-hint {
    position: absolute; left: 3rem; padding-top: 1rem;
    display: flex; align-items: center; gap: 1rem;
}
.hero-scroll-hint span {
    font-family: var(--mono); font-size: 0.65rem;
    text-transform: uppercase; letter-spacing: 0.2em; color: var(--text-muted);
}
.hero-scroll-line {
    width: 48px; height: 1px; background: var(--line-muted);
    position: relative; overflow: hidden;
}
.hero-scroll-line::after {
    content: ''; position: absolute; top: 0; left: -100%;
    width: 100%; height: 100%; background: var(--accent);
    animation: scrollPulse 2s ease-in-out infinite;
}
@keyframes scrollPulse {
    0% { left: -100%; } 50% { left: 0; } 100% { left: 100%; }
}
.hero-side-text {
    position: absolute; right: 3rem; top: 50%;
    transform: rotate(90deg) translateX(-50%); transform-origin: right center;
    font-family: var(--mono); font-size: 0.65rem;
    letter-spacing: 0.3em; color: var(--text-muted);
}

/* ── SECTION COMMON ── */
.section-header {
    padding: 8rem 3rem 4rem;
    display: flex; align-items: baseline; gap: 2rem; flex-wrap: wrap;
}
.section-number {
    font-family: var(--mono); font-size: 0.75rem;
    color: var(--accent); letter-spacing: 0.1em;
}
.section-title {
    font-family: var(--serif); font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 400; letter-spacing: -0.01em;
}
.section-sub {
    width: 100%; color: var(--text-dim); font-size: 1.05rem;
    margin-top: -0.5rem; padding-left: calc(0.75rem + 2rem);
}

/* ── SERVICES ── */
.service {
    border-top: 1px solid var(--border);
    padding: 4rem 3rem;
    position: relative;
    overflow: hidden;
    transition: var(--transition-theme);
}
.service:last-child { border-bottom: 1px solid var(--border); }
.service::before {
    content: ''; position: absolute; inset: 0;
    background: linear-gradient(135deg, var(--accent-glow) 0%, transparent 60%);
    opacity: 0; transition: opacity 0.6s;
}
.service:hover::before { opacity: 1; }
.service-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: start;
    position: relative;
}
.service-label {
    grid-column: 1 / -1;
    display: flex; align-items: center; gap: 1.5rem;
    margin-bottom: 0.5rem;
}
.service-num {
    font-family: var(--mono); font-size: 0.7rem;
    color: var(--accent); letter-spacing: 0.1em;
}
.service-tag {
    font-family: var(--mono); font-size: 0.65rem;
    text-transform: uppercase; letter-spacing: 0.2em;
    color: var(--text-muted);
}
.service-name {
    font-family: var(--serif); font-size: clamp(2rem, 4vw, 3.2rem);
    font-weight: 400; line-height: 1.15; letter-spacing: -0.01em;
}
.service-desc {
    color: var(--text-dim); font-size: 1rem; line-height: 1.8;
    max-width: 500px;
}
.service-desc2 {
    color: var(--text-dim); font-size: 1rem; line-height: 1.8;
    max-width: 500px;
}
.service-skills {
    display: flex; flex-wrap: wrap; gap: 0.5rem;
    margin-top: 1.5rem; grid-column: 1;
}
.service-skills span {
    font-family: var(--mono); font-size: 0.7rem;
    padding: 0.4rem 0.9rem; border: 1px solid var(--border);
    border-radius: 100px; color: var(--text-dim);
    letter-spacing: 0.05em; transition: all 0.3s;
}
.service-skills span:hover {
    border-color: var(--accent); color: var(--accent);
}
.service-visual {
    grid-column: 2; grid-row: 2 / 4;
    display: flex; align-items: center; justify-content: center;
    min-height: 200px;
}
.service-visual1 {
    grid-column: 2; grid-row: 2 / 4;
    display: flex; align-items: center; justify-content: center;
    min-height: 200px;
}
.service-visual2 {
    grid-column: 2; grid-row: 4 / 4;
    display: flex; align-items: center; justify-content: center;
    min-height: 200px;
}
/* Service Visuals */
.service-icon-grid {
    display: grid; grid-template-columns: 1fr 1fr; gap: 1rem;
}
.s-icon {
    width: 72px; height: 72px; border: 1px solid var(--border);
    border-radius: 12px; display: flex; align-items: center; justify-content: center;
    transition: all 0.4s cubic-bezier(0.25, 1, 0.5, 1);
    position: relative; overflow: hidden;
}
.s-icon::after {
    content: ''; position: absolute; inset: 0;
    background: var(--accent); opacity: 0; transition: opacity 0.3s;
}
.s-icon:hover { border-color: var(--accent); transform: translateY(-4px); }
.s-icon--layout::before {
    content: ''; width: 32px; height: 32px;
    border: 2px solid var(--text-muted); border-radius: 4px;
    border-right-width: 8px;
}
.s-icon--palette::before {
    content: ''; width: 28px; height: 28px; border-radius: 50%;
    background: conic-gradient(var(--accent) 0deg, var(--accent2) 120deg, var(--text-muted) 240deg, var(--accent) 360deg);
    opacity: 0.6;
}
.s-icon--type::before {
    content: 'Aa'; font-family: var(--serif); font-size: 1.3rem;
    color: var(--text-muted);
}
.s-icon--motion::before {
    content: ''; width: 24px; height: 2px; background: var(--text-muted);
    box-shadow: 0 8px 0 var(--text-muted), 0 16px 0 var(--text-muted);
}

.service-code-block {
    font-family: var(--mono); font-size: 0.8rem; line-height: 1.8;
    color: var(--text-dim); padding: 1.5rem;
    border: 1px solid var(--border); border-radius: 8px;
    background: var(--bg-elevated);
}
.code-kw { color: var(--accent); }
.code-var { color: var(--accent2); }
.code-fn { color: #7ec98a; }
.code-str { color: #c97e7e; }

.service-window-mock {
    width: 220px; border: 1px solid var(--border);
    border-radius: 8px; overflow: hidden; background: var(--bg-elevated);
}
.window-bar {
    display: flex; gap: 6px; padding: 10px 12px;
    border-bottom: 1px solid var(--border);
}
.window-bar span {
    width: 10px; height: 10px; border-radius: 50%;
    background: var(--border);
}
.window-bar span:first-child { background: #c97e7e88; }
.window-bar span:nth-child(2) { background: #c9a55a88; }
.window-bar span:nth-child(3) { background: #7ec98a88; }
.window-body { height: 120px; padding: 12px; }
.window-body::before {
    content: ''; display: block; width: 60%; height: 8px;
    background: var(--border); border-radius: 4px; margin-bottom: 8px;
}
.window-body::after {
    content: ''; display: block; width: 80%; height: 8px;
    background: var(--border); border-radius: 4px;
}

/* ── APPS ── */
.apps { background: var(--bg-elevated); }
.apps-grid {
    display: grid; grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem; padding: 0 3rem 8rem;
}
.app-card {
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: 16px; padding: 2rem;
    display: flex; flex-direction: column;
    transition: all 0.5s cubic-bezier(0.25, 1, 0.5, 1), background 0.5s, border-color 0.5s, box-shadow 0.5s;
    position: relative; overflow: hidden;
}
.app-card::before {
    content: ''; position: absolute; top: 0; left: 0; right: 0;
    height: 2px; background: linear-gradient(90deg, transparent, var(--accent), transparent);
    opacity: 0; transition: opacity 0.4s;
}
.app-card:hover {
    transform: translateY(-8px);
    border-color: var(--accent);
    box-shadow: 0 24px 48px -12px rgba(0,0,0,0.5), 0 0 0 1px var(--accent-glow);
}
.app-card:hover::before { opacity: 1; }

.app-card-header {
    display: flex; align-items: flex-start; justify-content: space-between;
    margin-bottom: 1.5rem;
}
.app-icon {
    width: 72px; height: 72px; border-radius: 12px;
    display: flex; align-items: center; justify-content: center;
    border: 1px solid var(--border);
}
.app-icon svg { width: 28px; height: 28px; }
.app-icon--invoice { color: var(--accent); background: #f4f1ec; }
.app-icon--dental { color: var(--accent2); background: #f4f1ec; }
.app-icon--cultivation { color: #7ec98a; background: #f4f1ec; }

.app-status {
    display: flex; align-items: center; gap: 0.4rem;
    font-family: var(--mono); font-size: 0.65rem;
    text-transform: uppercase; letter-spacing: 0.15em;
    color: #7ec98a;
}
.app-status-dot {
    width: 6px; height: 6px; border-radius: 50%;
    background: #7ec98a; animation: pulse 2s ease infinite;
}
@keyframes pulse {
    0%, 100% { opacity: 1; } 50% { opacity: 0.4; }
}

.app-name {
    font-family: var(--serif); font-size: 1.6rem; font-weight: 400;
    margin-bottom: 0.75rem; letter-spacing: -0.01em;
}
.app-desc {
    color: var(--text-dim); font-size: 0.9rem; line-height: 1.7;
    flex: 1; margin-bottom: 1.5rem;
}
.app-tags {
    display: flex; flex-wrap: wrap; gap: 0.4rem; margin-bottom: 1.5rem;
}
.app-tags span {
    font-family: var(--mono); font-size: 0.6rem;
    padding: 0.3rem 0.7rem; border: 1px solid var(--border);
    border-radius: 100px; color: var(--text-muted);
    letter-spacing: 0.05em; text-transform: uppercase;
}
.app-card-footer { border-top: 1px solid var(--border); padding-top: 1.25rem; }
.app-link {
    font-family: var(--mono); font-size: 0.75rem;
    color: var(--accent); letter-spacing: 0.1em;
    text-transform: uppercase; cursor: pointer;
    display: inline-flex; align-items: center; gap: 0.5rem;
    transition: gap 0.3s;
}
.app-card:hover .app-link { gap: 1rem; }
.arrow { transition: transform 0.3s; }
.app-card:hover .arrow { transform: translateX(4px); }

.app-image { height: 60px; }

/* ── CONTACT ── */
.contact {
    padding: 8rem 3rem;
    border-top: 1px solid var(--border);
}
.contact-inner { max-width: 700px; }
.contact-inner .section-number { display: block; margin-bottom: 2rem; }
.contact-title {
    font-family: var(--serif); font-size: clamp(3rem, 6vw, 5rem);
    font-weight: 400; line-height: 1.1; letter-spacing: -0.02em;
    margin-bottom: 1.5rem;
}
.contact-title em { font-style: italic; color: var(--accent); }
.contact-sub {
    color: var(--text-dim); font-size: 1.1rem; margin-bottom: 2.5rem;
    line-height: 1.7;
}
.contact-btn {
    display: inline-block; font-family: var(--mono); font-size: 0.8rem;
    letter-spacing: 0.15em; text-transform: uppercase;
    color: var(--bg); background: var(--accent);
    padding: 1rem 2.5rem; border-radius: 100px;
    text-decoration: none; border: none; cursor: pointer;
    transition: all 0.4s cubic-bezier(0.25, 1, 0.5, 1);
}
.contact-btn:hover {
    background: var(--text); transform: translateY(-2px);
    box-shadow: 0 12px 32px -8px var(--accent-glow);
}

/* ── CONTACT FORM ── */
.contact-form {
    margin-top: 2.5rem;
    display: flex; flex-direction: column; gap: 1.5rem;
}
.form-row {
    display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem;
}
.form-group {
    display: flex; flex-direction: column; gap: 0.5rem;
}
.form-group label {
    font-family: var(--mono); font-size: 0.7rem;
    text-transform: uppercase; letter-spacing: 0.15em;
    color: var(--text-muted);
}
.form-group input,
.form-group textarea {
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 1rem 1.25rem;
    font-family: var(--sans);
    font-size: 1rem;
    color: var(--text);
    transition: border-color 0.3s, background 0.3s;
    resize: vertical;
}
.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent);
}
.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-muted);
}

#formStatus { margin-top: 15px; padding: 10px; display: none; font-weight: bold; border-radius: 4px; }
.success { background-color: #d4edda; color: #155724; }
.error { background-color: #f8d7da; color: #721c24; }

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

/* ── FOOTER ── */
.footer {
    display: flex; justify-content: space-between;
    padding: 2rem 3rem; border-top: 1px solid var(--border);
    font-family: var(--mono); font-size: 0.7rem;
    color: var(--text-muted); letter-spacing: 0.1em;
}

/* ── MOBILE MENU ── */
.mobile-menu {
    position: fixed; top: 0; left: 0; right: 0; bottom: 0;
    background: var(--bg); z-index: 99;
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    gap: 2rem; opacity: 0; pointer-events: none;
    transition: opacity 0.4s cubic-bezier(0.25, 1, 0.5, 1);
}
.mobile-menu.active { opacity: 1; pointer-events: all; }
.mobile-menu a {
    font-family: var(--serif); font-size: 2.5rem; color: var(--text);
    text-decoration: none; opacity: 0; transform: translateY(20px);
    transition: opacity 0.4s, transform 0.4s, color 0.3s;
}
.mobile-menu.active a {
    opacity: 1; transform: translateY(0);
}
.mobile-menu.active a:nth-child(1) { transition-delay: 0.1s; }
.mobile-menu.active a:nth-child(2) { transition-delay: 0.2s; }
.mobile-menu.active a:nth-child(3) { transition-delay: 0.3s; }
.mobile-menu a:hover { color: var(--accent); }

.nav-toggle.active span:first-child {
    transform: rotate(45deg) translate(4px, 4px);
}
.nav-toggle.active span:last-child {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ── RESPONSIVE ── */
@media (max-width: 900px) {
    .nav { padding: 1.25rem 1.5rem; }
    .nav-links { display: none; }
    .nav-toggle { display: block; }
    .hero { padding: 0 1.5rem; }
    .hero-side-text { display: none; }
    .section-header { padding: 5rem 1.5rem 3rem; }
    .service { padding: 3rem 1.5rem; }
    .service-inner { grid-template-columns: 1fr; }
    .service-visual, .service-visual1, .service-visual2 { grid-column: 1; grid-row: auto; margin-top: 1rem; }
    .apps-grid { grid-template-columns: 1fr; padding: 0 1.5rem 5rem; }
    .contact { padding: 5rem 1.5rem; }
    .footer { padding: 1.5rem; flex-direction: column; gap: 0.5rem; }
}