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

:root {
    --bg: #0b0f0e;
    --surface: #121918;
    --surface-hover: #172220;
    --border: #1e2b28;
    --accent: #3dffa0;
    --accent-dim: #1a7a4a;
    --accent-bg: rgba(61,255,160,.08);
    --accent-bg-strong: rgba(61,255,160,.12);
    --text: #e8ede9;
    --muted: #6b8078;
    --nav-bg: rgba(11,15,14,.85);
    --terminal-bar: #1a2422;
    --t-comment: #3a5448;
    --t-val: #7ec8a0;
    --t-str: #e8c07a;
    --t-num: #a29bfe;
    --shadow: 0 8px 32px rgba(0,0,0,.4);
    --error: #ff6b6b;
}

[data-theme="light"] {
    --bg: #f4f7f5;
    --surface: #ffffff;
    --surface-hover: #eef4f0;
    --border: #d8e8e0;
    --accent: #0a8f50;
    --accent-dim: #0a8f50;
    --accent-bg: rgba(10,143,80,.08);
    --accent-bg-strong: rgba(10,143,80,.12);
    --text: #0e1c17;
    --muted: #5a7a6e;
    --nav-bg: rgba(244,247,245,.9);
    --terminal-bar: #e4eeea;
    --t-comment: #8aab9a;
    --t-val: #1a7a4a;
    --t-str: #9a6e00;
    --t-num: #6b5fcf;
    --shadow: 0 8px 32px rgba(0,0,0,.1);
    --error: #d93025;
}

html { scroll-behavior: smooth; }

body {
    background: var(--bg); color: var(--text);
    font-family: 'Figtree', sans-serif; font-weight: 300;
    line-height: 1.7; overflow-x: hidden;
    transition: background .35s, color .35s;
}

body::before {
    content: ''; position: fixed; inset: 0;
    background-image: 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='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");
    pointer-events: none; z-index: 9999; opacity: .45;
}

/* ─── NAV ─── */
nav {
    position: fixed; top: 0; left: 0; right: 0; z-index: 200;
    display: flex; align-items: center; justify-content: space-between;
    padding: 1.2rem 3rem;
    border-bottom: 1px solid var(--border);
    backdrop-filter: blur(20px);
    background: var(--nav-bg);
    transition: background .35s, box-shadow .3s, border-color .35s;
}
nav.scrolled { box-shadow: var(--shadow); }

.nav-logo {
    font-family: 'DM Mono', monospace; font-size: .72rem;
    letter-spacing: .16em; color: var(--accent);
    text-transform: uppercase; text-decoration: none;
}

.nav-center { display: flex; gap: 2.2rem; list-style: none; }
.nav-center a {
    font-family: 'DM Mono', monospace; font-size: .67rem;
    letter-spacing: .12em; text-transform: uppercase;
    color: var(--muted); text-decoration: none;
    transition: color .2s; position: relative; padding-bottom: 2px;
}
.nav-center a::after {
    content: ''; position: absolute; bottom: -2px; left: 0; right: 0;
    height: 1px; background: var(--accent);
    transform: scaleX(0); transition: transform .25s;
}
.nav-center a:hover, .nav-center a.active { color: var(--accent); }
.nav-center a.active::after, .nav-center a:hover::after { transform: scaleX(1); }

.nav-right { display: flex; align-items: center; gap: .75rem; }

.theme-toggle {
    display: flex; align-items: center; justify-content: center;
    width: 34px; height: 34px; border-radius: 50%;
    border: 1px solid var(--border); background: var(--surface);
    cursor: pointer;
    transition: border-color .25s, background .25s, transform .25s;
}
.theme-toggle:hover { border-color: var(--accent); transform: rotate(22deg); }
.theme-toggle svg { width: 15px; height: 15px; stroke: var(--accent); fill: none; stroke-width: 2; stroke-linecap: round; }
.icon-sun { display: none; }
.icon-moon { display: block; }
[data-theme="light"] .icon-sun { display: block; }
[data-theme="light"] .icon-moon { display: none; }

.hamburger {
    display: none; flex-direction: column; justify-content: center; gap: 5px;
    width: 34px; height: 34px; cursor: pointer; padding: 4px;
    border: 1px solid var(--border); border-radius: 4px;
    background: var(--surface); transition: background .25s;
}
.hamburger span {
    display: block; height: 1.5px; background: var(--text);
    transition: transform .3s, opacity .3s;
}
.hamburger.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

.mobile-menu {
    display: none; position: fixed; top: 57px; left: 0; right: 0; bottom: 0;
    background: var(--bg); z-index: 199; padding: 2.5rem 2rem;
    flex-direction: column; gap: .5rem;
    border-top: 1px solid var(--border);
    opacity: 0; transform: translateY(-8px);
    transition: opacity .25s, transform .25s;
}
.mobile-menu.open { opacity: 1; transform: translateY(0); }
.mobile-menu a {
    font-family: 'DM Serif Display', serif; font-size: 1.8rem;
    color: var(--text); text-decoration: none;
    padding: .75rem 0; border-bottom: 1px solid var(--border);
    transition: color .2s;
}
.mobile-menu a:hover { color: var(--accent); }

/* ─── HERO ─── */
.hero {
    min-height: 100vh;
    display: grid; grid-template-columns: 1fr 1fr;
    align-items: center; padding: 7rem 3rem 4rem;
    gap: 4rem; position: relative;
    max-width: 1200px; margin: 0 auto;
}
.hero::after {
    content: ''; position: absolute;
    right: -8vw; top: 8%; width: 52vw; height: 52vw;
    background: radial-gradient(ellipse, var(--accent-bg-strong) 0%, transparent 65%);
    pointer-events: none; z-index: 0;
}
.hero-content { position: relative; z-index: 1; }

.hero-eyebrow {
    font-family: 'DM Mono', monospace; font-size: .68rem;
    letter-spacing: .22em; text-transform: uppercase;
    color: var(--accent); margin-bottom: 1.5rem;
    display: flex; align-items: center; gap: .75rem;
}
.hero-eyebrow::before {
    content: ''; display: inline-block;
    width: 2rem; height: 1px; background: var(--accent);
}

h1 {
    font-family: 'DM Serif Display', serif;
    font-size: clamp(2.6rem, 4.8vw, 4.8rem);
    line-height: 1.1; letter-spacing: -.02em; margin-bottom: 1.75rem;
}
h1 em { font-style: italic; color: var(--accent); }

.hero-desc {
    color: var(--muted); font-size: 1.05rem;
    max-width: 46ch; margin-bottom: 2.5rem;
}

.hero-actions { display: flex; align-items: center; gap: 1.4rem; flex-wrap: wrap; }

.btn-primary {
    display: inline-flex; align-items: center; gap: .6rem;
    background: var(--accent); color: #0b0f0e;
    font-family: 'DM Mono', monospace; font-size: .73rem;
    font-weight: 500; letter-spacing: .1em; text-transform: uppercase;
    text-decoration: none; padding: .85rem 1.8rem;
    border-radius: 2px; border: none; cursor: pointer;
    transition: opacity .2s, transform .2s;
}
.btn-primary:hover { opacity: .85; transform: translateY(-2px); }
.btn-primary svg { width: 14px; height: 14px; stroke: currentColor; fill: none; stroke-width: 2.5; }

.btn-ghost {
    display: inline-flex; align-items: center; gap: .5rem;
    color: var(--muted); font-family: 'DM Mono', monospace;
    font-size: .73rem; letter-spacing: .1em; text-transform: uppercase;
    text-decoration: none; padding: .85rem 0;
    transition: color .2s;
}
.btn-ghost:hover { color: var(--accent); }
.btn-ghost svg { width: 14px; height: 14px; stroke: currentColor; fill: none; stroke-width: 2.5; }

.hero-panel { position: relative; height: 440px; z-index: 1; }

.terminal-card {
    position: absolute;
    background: var(--surface); border: 1px solid var(--border);
    border-radius: 8px; overflow: hidden;
    font-family: 'DM Mono', monospace; font-size: .78rem;
    box-shadow: var(--shadow);
    transition: background .35s, border-color .35s, box-shadow .35s;
}
.terminal-bar {
    background: var(--terminal-bar); padding: .5rem 1rem;
    display: flex; align-items: center; gap: .4rem;
    border-bottom: 1px solid var(--border);
    transition: background .35s;
}
.dot { width: 10px; height: 10px; border-radius: 50%; }
.dot-r { background: #ff5f57; }
.dot-y { background: #febc2e; }
.dot-g { background: #28c840; }
.terminal-body { padding: 1.2rem 1.4rem; line-height: 1.85; }
.t-comment { color: var(--t-comment); }
.t-key { color: var(--accent); }
.t-val { color: var(--t-val); }
.t-str { color: var(--t-str); }
.t-num { color: var(--t-num); }

.card-main { width: 355px; top: 28px; left: 0; animation: float1 6s ease-in-out infinite; }
.card-sec  { width: 255px; bottom: 12px; right: 0; animation: float2 7s ease-in-out infinite; }
@keyframes float1 { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-10px)} }
@keyframes float2 { 0%,100%{transform:translateY(0)} 50%{transform:translateY(8px)} }

/* ─── SHARED ─── */
section { padding: 6rem 3rem; max-width: 1100px; margin: 0 auto; }

.section-label {
    font-family: 'DM Mono', monospace; font-size: .66rem;
    letter-spacing: .22em; text-transform: uppercase;
    color: var(--accent); margin-bottom: 1rem;
    display: flex; align-items: center; gap: .75rem;
}
.section-label::before {
    content: ''; display: inline-block;
    width: 1.4rem; height: 1px; background: var(--accent);
}

h2 {
    font-family: 'DM Serif Display', serif;
    font-size: clamp(1.9rem, 3.2vw, 3rem);
    line-height: 1.15; margin-bottom: 1.4rem;
}

.section-intro {
    color: var(--muted); font-size: 1rem;
    max-width: 58ch; margin-bottom: 3.5rem;
}

.divider-full { border: none; border-top: 1px solid var(--border); }

/* ─── SERVICES ─── */
.services-grid {
    display: grid; grid-template-columns: repeat(3, 1fr);
    gap: 1.5px; background: var(--border);
    border: 1px solid var(--border); border-radius: 8px; overflow: hidden;
}

.service-card {
    background: var(--surface); padding: 2.4rem 2.2rem;
    transition: background .25s; position: relative;
}
.service-card:hover { background: var(--surface-hover); }
.service-card:hover .service-arrow { opacity: 1; transform: translateX(0); }

.service-icon { font-size: 1.5rem; margin-bottom: 1.1rem; }
.service-card h3 {
    font-family: 'DM Serif Display', serif;
    font-size: 1.12rem; margin-bottom: .7rem;
}
.service-card p { font-size: .88rem; color: var(--muted); line-height: 1.65; }
.service-arrow {
    position: absolute; bottom: 1.4rem; right: 1.6rem;
    font-family: 'DM Mono', monospace; font-size: .65rem;
    color: var(--accent); opacity: 0;
    transform: translateX(-5px);
    transition: opacity .25s, transform .25s;
}

/* ─── TECH ─── */
.tech-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; }

.tech-item {
    display: flex; align-items: center; gap: 1.2rem;
    padding: 1.3rem 1.5rem;
    border: 1px solid var(--border); border-radius: 6px;
    background: var(--surface);
    transition: border-color .25s, transform .2s, background .25s;
}
.tech-item:hover { border-color: var(--accent-dim); transform: translateX(5px); background: var(--surface-hover); }

.tech-badge {
    font-family: 'DM Mono', monospace; font-size: .68rem;
    font-weight: 500; letter-spacing: .1em; text-transform: uppercase;
    color: var(--accent); background: var(--accent-bg);
    padding: .3rem .75rem; border-radius: 2px;
    min-width: 72px; text-align: center;
    transition: background .35s, color .35s;
}
.tech-desc { font-size: .87rem; color: var(--muted); }

/* ─── SECURITY ─── */
.security-highlight {
    border: 1px solid var(--accent-dim); border-radius: 8px;
    padding: 3rem;
    background: linear-gradient(135deg, var(--accent-bg), transparent);
    position: relative; overflow: hidden;
    transition: background .35s, border-color .35s;
}
.security-highlight::before {
    content: 'SECURE'; position: absolute; top: -8px; right: 2rem;
    font-family: 'DM Mono', monospace; font-size: 4.5rem; font-weight: 500;
    color: var(--accent-bg); letter-spacing: .1em;
    pointer-events: none; user-select: none;
}
.security-list {
    list-style: none; display: grid; grid-template-columns: repeat(2, 1fr);
    gap: 1rem; margin-top: 2rem;
}
.security-list li {
    display: flex; align-items: flex-start; gap: .75rem;
    font-size: .9rem; color: var(--muted);
}
.security-list li::before {
    content: '✓'; color: var(--accent);
    font-family: 'DM Mono', monospace; font-size: .82rem;
    flex-shrink: 0; margin-top: .15rem;
}

/* ─── METHOD ─── */
.steps {
    display: grid; grid-template-columns: repeat(4, 1fr);
    gap: 1.5px; background: var(--border);
    border-radius: 8px; overflow: hidden; border: 1px solid var(--border);
}
.step {
    background: var(--surface); padding: 2.5rem 2rem;
    transition: background .25s;
}
.step:hover { background: var(--surface-hover); }
.step-num {
    font-family: 'DM Mono', monospace; font-size: .63rem;
    letter-spacing: .15em; color: var(--accent); margin-bottom: 1.2rem;
}
.step h3 { font-family: 'DM Serif Display', serif; font-size: 1.1rem; margin-bottom: .75rem; }
.step p { font-size: .87rem; color: var(--muted); line-height: 1.65; }

/* ─── CONTACT ─── */
.contact-wrapper {
    display: grid; grid-template-columns: 1fr 1.5fr;
    gap: 4rem; align-items: start;
}
.contact-aside h3 {
    font-family: 'DM Serif Display', serif;
    font-size: 1.35rem; margin-bottom: .7rem;
}
.contact-aside > p {
    font-size: .9rem; color: var(--muted); line-height: 1.65; margin-bottom: 2rem;
}
.social-links { display: flex; flex-direction: column; gap: .75rem; }
.social-link {
    display: flex; align-items: center; gap: .9rem;
    padding: .9rem 1.2rem;
    border: 1px solid var(--border); border-radius: 6px;
    background: var(--surface); text-decoration: none;
    color: var(--text); font-size: .88rem;
    transition: border-color .2s, transform .2s, background .2s;
}
.social-link:hover { border-color: var(--accent); transform: translateX(4px); background: var(--surface-hover); }
.social-link svg {
    width: 17px; height: 17px; stroke: var(--accent);
    fill: none; stroke-width: 1.8;
    stroke-linecap: round; stroke-linejoin: round; flex-shrink: 0;
}
.social-link-label {
    font-family: 'DM Mono', monospace; font-size: .65rem;
    letter-spacing: .1em; text-transform: uppercase;
    color: var(--muted); margin-left: auto;
}

.contact-form { display: flex; flex-direction: column; gap: 1.1rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-group { display: flex; flex-direction: column; gap: .4rem; }
.form-group label {
    font-family: 'DM Mono', monospace; font-size: .63rem;
    letter-spacing: .15em; text-transform: uppercase; color: var(--muted);
}
.form-group input,
.form-group textarea {
    background: var(--surface); border: 1px solid var(--border);
    border-radius: 4px; padding: .8rem 1rem;
    color: var(--text); font-family: 'Figtree', sans-serif;
    font-size: .9rem; outline: none; resize: none;
    transition: border-color .2s, background .35s, color .35s;
}
.form-group input:focus, .form-group textarea:focus { border-color: var(--accent); }
.form-group input.error, .form-group textarea.error { border-color: var(--error); }
.form-group input::placeholder, .form-group textarea::placeholder { color: var(--muted); opacity: .45; }
.form-group textarea { min-height: 130px; }

.field-error {
    font-family: 'DM Mono', monospace; font-size: .62rem;
    color: var(--error); display: none;
}
.field-error.show { display: block; }

.form-submit {
    display: inline-flex; align-items: center; gap: .6rem;
    align-self: flex-start;
}

.form-success {
    display: none; align-items: center; gap: .75rem;
    padding: 1rem 1.2rem;
    border: 1px solid var(--accent-dim); border-radius: 6px;
    background: var(--accent-bg); font-size: .88rem;
    color: var(--accent); font-family: 'DM Mono', monospace;
}
.form-success.show { display: flex; }

/* ─── COMING SOON ─── */
.coming-soon { border-top: 1px solid var(--border); text-align: center; }
.coming-box {
    border: 1px dashed var(--border); border-radius: 8px;
    padding: 4rem 2rem; background: var(--surface);
}
.coming-box .pill {
    display: inline-block;
    font-family: 'DM Mono', monospace; font-size: .63rem;
    letter-spacing: .15em; text-transform: uppercase;
    color: var(--accent); background: var(--accent-bg);
    border: 1px solid var(--accent-dim);
    border-radius: 20px; padding: .4rem 1rem; margin-bottom: 1.5rem;
}
.coming-box h2 { font-size: clamp(1.5rem, 3vw, 2.3rem); margin-bottom: 1rem; }
.coming-box > p { color: var(--muted); max-width: 46ch; margin: 0 auto 2rem; }
.coming-tags { display: flex; flex-wrap: wrap; justify-content: center; gap: .6rem; }
.tag {
    font-family: 'DM Mono', monospace; font-size: .65rem; letter-spacing: .1em;
    color: var(--muted); border: 1px solid var(--border);
    padding: .4rem .9rem; border-radius: 3px;
}

/* ─── FOOTER ─── */
footer {
    border-top: 1px solid var(--border); padding: 2.5rem 3rem;
    display: flex; align-items: center; justify-content: space-between;
}
.footer-left p {
    font-family: 'DM Mono', monospace; font-size: .65rem;
    color: var(--muted); letter-spacing: .08em; margin-bottom: .3rem;
}
.footer-links { display: flex; gap: 1.5rem; list-style: none; }
.footer-links a {
    font-family: 'DM Mono', monospace; font-size: .62rem;
    letter-spacing: .1em; text-transform: uppercase;
    color: var(--muted); text-decoration: none; transition: color .2s;
}
.footer-links a:hover { color: var(--accent); }
.footer-dot {
    width: 6px; height: 6px; border-radius: 50%;
    background: var(--accent); animation: pulse 2.5s ease-in-out infinite;
}
.footer-stack {
    font-family: 'DM Mono', monospace; font-size: .65rem;
    color: var(--muted); letter-spacing: .08em;
}
@keyframes pulse { 0%,100%{opacity:1;transform:scale(1)} 50%{opacity:.35;transform:scale(.65)} }

/* ─── SCROLL TO TOP ─── */
.scroll-top {
    position: fixed; bottom: 1.8rem; right: 1.8rem; z-index: 300;
    width: 40px; height: 40px; border-radius: 50%;
    border: 1px solid var(--border); background: var(--surface);
    display: flex; align-items: center; justify-content: center;
    cursor: pointer; opacity: 0; pointer-events: none;
    transition: opacity .3s, transform .2s, border-color .2s, background .25s;
}
.scroll-top.show { opacity: 1; pointer-events: auto; }
.scroll-top:hover { border-color: var(--accent); transform: translateY(-3px); }
.scroll-top svg { width: 15px; height: 15px; stroke: var(--accent); fill: none; stroke-width: 2.2; stroke-linecap: round; }

/* ─── ANIMATIONS ─── */
.reveal {
    opacity: 0; transform: translateY(22px);
    transition: opacity .65s ease, transform .65s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }

.stagger > * {
    opacity: 0; transform: translateY(18px);
    transition: opacity .5s ease, transform .5s ease;
}
.stagger.visible > *:nth-child(1) { opacity:1; transform:translateY(0); transition-delay:.05s; }
.stagger.visible > *:nth-child(2) { opacity:1; transform:translateY(0); transition-delay:.13s; }
.stagger.visible > *:nth-child(3) { opacity:1; transform:translateY(0); transition-delay:.21s; }
.stagger.visible > *:nth-child(4) { opacity:1; transform:translateY(0); transition-delay:.29s; }
.stagger.visible > *:nth-child(5) { opacity:1; transform:translateY(0); transition-delay:.37s; }

/* ─── RESPONSIVE ─── */
@media (max-width: 900px) {
    .hero { grid-template-columns: 1fr; padding: 7rem 2rem 3rem; max-width: 100%; }
    .hero-panel { display: none; }
    .steps { grid-template-columns: 1fr 1fr; }
    .contact-wrapper { grid-template-columns: 1fr; gap: 3rem; }
}
@media (max-width: 768px) {
    nav { padding: 1rem 1.5rem; }
    .nav-center { display: none; }
    .hamburger { display: flex; }
    .mobile-menu { display: flex; }
    section { padding: 4rem 1.5rem; }
    .tech-grid { grid-template-columns: 1fr; }
    .security-list { grid-template-columns: 1fr; }
    .services-grid { grid-template-columns: 1fr; }
    .steps { grid-template-columns: 1fr; }
    .form-row { grid-template-columns: 1fr; }
    footer { flex-direction: column; gap: 1.5rem; text-align: center; }
    .footer-links { justify-content: center; }
}