/* ============================================================
   Sai Haresh Anand S — Portfolio Design System
   Deep-dark, precision-engineered, single accent family.
   ============================================================ */

:root {
    /* Color tokens */
    --bg: #05070d;
    --bg-elev: #0a0f1c;
    --surface: rgba(255, 255, 255, 0.03);
    --surface-2: rgba(255, 255, 255, 0.055);
    --border: rgba(255, 255, 255, 0.08);
    --border-strong: rgba(255, 255, 255, 0.14);
    --text: #e8edf6;
    --text-2: #9aa6bc;
    --text-3: #5f6b83;
    --accent: #67e8f9;
    --accent-strong: #22d3ee;
    --accent-2: #a78bfa;
    --accent-ink: #04222b;
    --grad: linear-gradient(100deg, #67e8f9 0%, #818cf8 55%, #c084fc 100%);
    --success: #4ade80;

    /* Type */
    --font-display: 'Space Grotesk', 'Inter', sans-serif;
    --font-body: 'Inter', sans-serif;
    --font-mono: 'JetBrains Mono', ui-monospace, monospace;

    /* Rhythm */
    --container: 1180px;
    --radius: 16px;
    --radius-lg: 24px;
    --nav-h: 72px;
    --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html { scroll-behavior: smooth; }

body {
    font-family: var(--font-body);
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    font-size: 16px;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

::selection { background: rgba(103, 232, 249, 0.25); color: #fff; }

img { max-width: 100%; display: block; }
a { color: inherit; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }

/* Accessibility */
.skip-link {
    position: absolute; left: 1rem; top: -3rem; z-index: 2000;
    background: var(--accent); color: var(--accent-ink);
    padding: 0.6rem 1rem; border-radius: 8px; font-weight: 600;
    text-decoration: none; transition: top 0.2s var(--ease);
}
.skip-link:focus { top: 1rem; }

:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 3px;
    border-radius: 4px;
}

/* ---------- Atmosphere ---------- */
.bg-grid {
    position: fixed; inset: 0; z-index: -2; pointer-events: none;
    background-image:
        radial-gradient(rgba(255, 255, 255, 0.055) 1px, transparent 1px);
    background-size: 34px 34px;
    mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 30%, transparent 75%);
    -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 30%, transparent 75%);
}

.bg-glow {
    position: fixed; inset: 0; z-index: -3; pointer-events: none;
    background:
        radial-gradient(700px 420px at 78% -8%, rgba(103, 232, 249, 0.09), transparent 65%),
        radial-gradient(640px 420px at 12% 8%, rgba(129, 140, 248, 0.09), transparent 65%),
        radial-gradient(900px 620px at 50% 115%, rgba(192, 132, 252, 0.05), transparent 60%);
}

/* ---------- Layout ---------- */
.container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 1.5rem;
}

.section { padding: 6.5rem 0; }
.section-tight { padding: 4rem 0; }

.section-tag {
    display: flex; align-items: center; gap: 0.75rem;
    font-family: var(--font-mono);
    font-size: 0.78rem; font-weight: 500;
    letter-spacing: 0.18em; text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 1.1rem;
}
.section-tag span {
    display: inline-block; width: 2.2rem; height: 1px;
    background: linear-gradient(90deg, var(--accent), transparent);
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(1.9rem, 4vw, 2.9rem);
    font-weight: 700;
    line-height: 1.12;
    letter-spacing: -0.02em;
    margin-bottom: 1rem;
}
.section-title em, .footer-cta-title em {
    font-style: normal;
    background: var(--grad);
    -webkit-background-clip: text; background-clip: text;
    -webkit-text-fill-color: transparent;
}
.section-sub {
    color: var(--text-2);
    font-size: 1.05rem;
    max-width: 58ch;
}
.section-head { margin-bottom: 3rem; }
.section-head-row {
    display: flex; align-items: flex-end; justify-content: space-between;
    gap: 2rem; flex-wrap: wrap; margin-bottom: 3rem;
}

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex; align-items: center; justify-content: center;
    gap: 0.6rem;
    padding: 0.85rem 1.7rem;
    border-radius: 999px;
    font-weight: 600; font-size: 0.95rem;
    text-decoration: none;
    cursor: pointer;
    border: 1px solid transparent;
    transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease),
                background 0.25s var(--ease), border-color 0.25s var(--ease), color 0.25s var(--ease);
    white-space: nowrap;
}
.btn i { font-size: 0.85em; transition: transform 0.25s var(--ease); }

.btn-primary {
    background: linear-gradient(120deg, #7deefb, #38bdf8);
    color: #041820;
    box-shadow: 0 8px 30px rgba(56, 189, 248, 0.25);
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 14px 40px rgba(56, 189, 248, 0.35);
}
.btn-primary:hover i { transform: translateX(3px); }

.btn-ghost {
    background: var(--surface);
    border-color: var(--border-strong);
    color: var(--text);
}
.btn-ghost:hover {
    transform: translateY(-2px);
    border-color: rgba(103, 232, 249, 0.5);
    background: var(--surface-2);
}

.btn-lg { padding: 1.05rem 2.2rem; font-size: 1.02rem; }
.btn-small { padding: 0.55rem 1.15rem; font-size: 0.85rem; }

/* ---------- Navbar ---------- */
.navbar {
    position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
    height: var(--nav-h);
    background: rgba(5, 7, 13, 0.6);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    border-bottom: 1px solid transparent;
    transition: background 0.3s ease, border-color 0.3s ease;
}
.navbar.scrolled {
    background: rgba(5, 7, 13, 0.86);
    border-bottom-color: var(--border);
}

.nav-inner {
    max-width: var(--container);
    margin: 0 auto;
    height: 100%;
    padding: 0 1.5rem;
    display: flex; align-items: center; justify-content: space-between;
    gap: 1.5rem;
}

.nav-logo {
    display: inline-flex; align-items: center; gap: 0.7rem;
    text-decoration: none;
}
.logo-mark {
    display: inline-flex; align-items: center; justify-content: center;
    width: 38px; height: 38px;
    border-radius: 11px;
    font-family: var(--font-display); font-weight: 700; font-size: 0.95rem;
    background: var(--grad);
    color: #06121a;
    box-shadow: 0 4px 18px rgba(103, 232, 249, 0.28);
}
.logo-text {
    font-family: var(--font-display);
    font-weight: 600; font-size: 1.05rem;
    letter-spacing: 0.01em;
}

.nav-menu {
    display: flex; align-items: center; gap: 0.4rem;
    list-style: none;
}
.nav-link {
    display: block;
    padding: 0.5rem 0.95rem;
    border-radius: 999px;
    text-decoration: none;
    color: var(--text-2);
    font-weight: 500; font-size: 0.94rem;
    transition: color 0.2s ease, background 0.2s ease;
}
.nav-link:hover { color: var(--text); background: var(--surface-2); }
.nav-link.active { color: var(--text); background: var(--surface-2); }

.nav-cta-wrap { margin-left: 0.6rem; }

.nav-right { display: flex; align-items: center; gap: 0.4rem; }
.nav-social {
    display: inline-flex; align-items: center; justify-content: center;
    width: 40px; height: 40px; border-radius: 11px;
    color: var(--text-2); font-size: 1.05rem;
    text-decoration: none;
    transition: color 0.2s ease, background 0.2s ease, transform 0.2s var(--ease);
}
.nav-social:hover { color: var(--accent); background: var(--surface-2); transform: translateY(-2px); }

.hamburger {
    display: none;
    flex-direction: column; justify-content: center; gap: 5px;
    width: 42px; height: 42px;
    border-radius: 11px;
    align-items: center;
}
.hamburger .bar {
    width: 20px; height: 2px; border-radius: 2px;
    background: var(--text);
    transition: transform 0.3s var(--ease), opacity 0.2s ease;
}
.hamburger.active .bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.active .bar:nth-child(2) { opacity: 0; }
.hamburger.active .bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
    min-height: 100svh;
    display: flex; align-items: center;
    padding: calc(var(--nav-h) + 3.5rem) 0 4rem;
}
.hero-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 4rem;
    align-items: center;
}

.hero-id {
    display: flex; align-items: center; gap: 1rem;
    margin-bottom: 1.6rem;
}
.hero-id .status-badge { margin-bottom: 0; }
.hero-avatar {
    width: 54px; height: 54px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid rgba(103, 232, 249, 0.45);
    box-shadow: 0 6px 22px rgba(103, 232, 249, 0.22);
}

.status-badge {
    display: inline-flex; align-items: center; gap: 0.6rem;
    padding: 0.45rem 1rem;
    border-radius: 999px;
    background: var(--surface);
    border: 1px solid var(--border);
    font-family: var(--font-mono);
    font-size: 0.78rem; color: var(--text-2);
    margin-bottom: 1.6rem;
}
.status-dot {
    width: 8px; height: 8px; border-radius: 50%;
    background: var(--success);
    box-shadow: 0 0 0 0 rgba(74, 222, 128, 0.5);
    animation: pulse-dot 2.2s infinite;
}
@keyframes pulse-dot {
    0% { box-shadow: 0 0 0 0 rgba(74, 222, 128, 0.45); }
    70% { box-shadow: 0 0 0 8px rgba(74, 222, 128, 0); }
    100% { box-shadow: 0 0 0 0 rgba(74, 222, 128, 0); }
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 5.6vw, 4.3rem);
    font-weight: 700;
    line-height: 1.06;
    letter-spacing: -0.028em;
    margin-bottom: 1.4rem;
}
.hero-title em {
    font-style: normal;
    background: var(--grad);
    -webkit-background-clip: text; background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-sub {
    font-size: clamp(1.02rem, 1.6vw, 1.18rem);
    color: var(--text-2);
    max-width: 54ch;
    margin-bottom: 2.4rem;
}
.hero-sub strong { color: var(--text); font-weight: 600; }

.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; margin-bottom: 3rem; }

.hero-stats {
    display: flex; gap: 2.6rem; flex-wrap: wrap;
}
.hero-stat { min-width: 90px; }
.hero-stat-num {
    font-family: var(--font-display);
    font-size: 1.9rem; font-weight: 700;
    letter-spacing: -0.02em;
    background: var(--grad);
    -webkit-background-clip: text; background-clip: text;
    -webkit-text-fill-color: transparent;
}
.hero-stat-label {
    font-size: 0.83rem; color: var(--text-3);
    font-family: var(--font-mono);
    letter-spacing: 0.04em;
}

/* Terminal card */
.terminal {
    background: linear-gradient(180deg, rgba(13, 19, 33, 0.92), rgba(8, 12, 22, 0.92));
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-lg);
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.55), 0 0 0 1px rgba(103, 232, 249, 0.04);
    overflow: hidden;
    font-family: var(--font-mono);
    font-size: 0.83rem;
    transform: perspective(1200px) rotateY(-4deg) rotateX(2deg);
    transition: transform 0.5s var(--ease);
}
.terminal:hover { transform: perspective(1200px) rotateY(0deg) rotateX(0deg); }

.terminal-bar {
    display: flex; align-items: center; gap: 0.5rem;
    padding: 0.85rem 1.1rem;
    border-bottom: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.02);
}
.term-dot { width: 11px; height: 11px; border-radius: 50%; }
.term-dot.r { background: #ff5f57; } .term-dot.y { background: #febc2e; } .term-dot.g { background: #28c840; }
.terminal-title {
    margin-left: auto; margin-right: auto;
    color: var(--text-3); font-size: 0.76rem;
    transform: translateX(-22px);
}

.terminal-body { padding: 1.3rem 1.4rem 1.6rem; line-height: 1.85; }
.terminal-body .t-prompt { color: var(--success); }
.terminal-body .t-cmd { color: var(--text); }
.terminal-body .t-out { color: var(--text-2); }
.terminal-body .t-accent { color: var(--accent); }
.terminal-body .t-violet { color: var(--accent-2); }
.terminal-body .t-dim { color: var(--text-3); }
.t-cursor {
    display: inline-block; width: 8px; height: 15px;
    background: var(--accent);
    vertical-align: text-bottom;
    animation: blink 1.1s steps(1) infinite;
}
@keyframes blink { 50% { opacity: 0; } }

/* ---------- Marquee ---------- */
.marquee-section {
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    padding: 1.4rem 0;
    background: rgba(255, 255, 255, 0.015);
    overflow: hidden;
}
.marquee {
    display: flex; gap: 3.5rem; width: max-content;
    animation: marquee 34s linear infinite;
}
.marquee-section:hover .marquee { animation-play-state: paused; }
.marquee span {
    font-family: var(--font-mono);
    font-size: 0.88rem; letter-spacing: 0.08em;
    color: var(--text-3);
    display: inline-flex; align-items: center; gap: 3.5rem;
    white-space: nowrap;
}
.marquee span::after { content: '◆'; font-size: 0.5rem; color: rgba(103, 232, 249, 0.4); }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ---------- Cards ---------- */
.card {
    position: relative;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 2rem;
    transition: transform 0.35s var(--ease), border-color 0.35s ease, background 0.35s ease, box-shadow 0.35s var(--ease);
    overflow: hidden;
}
.card:hover {
    transform: translateY(-6px);
    border-color: rgba(103, 232, 249, 0.35);
    background: var(--surface-2);
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.45);
}
.card::before {
    content: '';
    position: absolute; inset: 0;
    background: radial-gradient(500px 220px at var(--mx, 50%) var(--my, 0%), rgba(103, 232, 249, 0.08), transparent 60%);
    opacity: 0;
    transition: opacity 0.4s ease;
    pointer-events: none;
}
.card:hover::before { opacity: 1; }

.card-icon {
    display: inline-flex; align-items: center; justify-content: center;
    width: 52px; height: 52px;
    border-radius: 14px;
    font-size: 1.3rem;
    color: var(--accent);
    background: rgba(103, 232, 249, 0.09);
    border: 1px solid rgba(103, 232, 249, 0.2);
    margin-bottom: 1.4rem;
}
.card h3 {
    font-family: var(--font-display);
    font-size: 1.28rem; font-weight: 600;
    letter-spacing: -0.01em;
    margin-bottom: 0.6rem;
}
.card p { color: var(--text-2); font-size: 0.96rem; }

/* ---------- Chips / tags ---------- */
.chips { display: flex; flex-wrap: wrap; gap: 0.55rem; }
.chip {
    font-family: var(--font-mono);
    font-size: 0.76rem;
    padding: 0.35rem 0.8rem;
    border-radius: 999px;
    color: var(--text-2);
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border);
    transition: color 0.2s ease, border-color 0.2s ease;
}
.chip:hover { color: var(--accent); border-color: rgba(103, 232, 249, 0.4); }

/* ---------- Projects ---------- */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.6rem;
}

.project-card { display: flex; flex-direction: column; }
.project-top {
    display: flex; align-items: flex-start; justify-content: space-between;
    gap: 1rem; margin-bottom: 1.2rem;
}
.project-links-mini { display: flex; gap: 0.5rem; }
.icon-link {
    display: inline-flex; align-items: center; justify-content: center;
    width: 42px; height: 42px; border-radius: 12px;
    border: 1px solid var(--border);
    color: var(--text-2); text-decoration: none; font-size: 1rem;
    transition: color 0.2s ease, border-color 0.2s ease, transform 0.2s var(--ease);
}
.icon-link:hover { color: var(--accent); border-color: rgba(103, 232, 249, 0.5); transform: translateY(-2px); }

.project-card h3 { margin-bottom: 0.35rem; }
.project-kicker {
    font-family: var(--font-mono);
    font-size: 0.74rem; letter-spacing: 0.14em; text-transform: uppercase;
    color: var(--accent-2);
    margin-bottom: 0.9rem;
}
.project-desc { margin-bottom: 1.4rem; flex: 1; }
.project-desc strong { color: var(--text); }
.project-feats {
    list-style: none;
    display: grid; grid-template-columns: 1fr 1fr; gap: 0.5rem 1rem;
    margin-bottom: 1.5rem;
}
.project-feats li {
    display: flex; align-items: baseline; gap: 0.55rem;
    color: var(--text-2); font-size: 0.88rem;
}
.project-feats li i { color: var(--accent); font-size: 0.7rem; }

/* Flagship */
.flagship {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    gap: 3rem;
    padding: 2.8rem;
    background:
        radial-gradient(600px 300px at 90% 0%, rgba(129, 140, 248, 0.09), transparent 60%),
        var(--surface);
}
.flagship-badge {
    display: inline-flex; align-items: center; gap: 0.5rem;
    font-family: var(--font-mono); font-size: 0.74rem;
    letter-spacing: 0.14em; text-transform: uppercase;
    color: #fbd38d;
    background: rgba(251, 211, 141, 0.08);
    border: 1px solid rgba(251, 211, 141, 0.25);
    padding: 0.4rem 0.9rem; border-radius: 999px;
    margin-bottom: 1.3rem;
    width: fit-content;
}
.flagship h3 { font-size: clamp(1.5rem, 2.6vw, 2rem); }
.flagship .terminal { transform: none; font-size: 0.79rem; }
.flagship .terminal:hover { transform: none; }
.flagship-metrics {
    display: flex; gap: 2rem; flex-wrap: wrap;
    padding-top: 1.5rem; margin-top: 1.5rem;
    border-top: 1px solid var(--border);
}
.fm b {
    display: block;
    font-family: var(--font-display); font-size: 1.15rem; font-weight: 700;
    color: var(--text);
}
.fm span { font-size: 0.8rem; color: var(--text-3); font-family: var(--font-mono); }

/* Filters */
.filters { display: flex; flex-wrap: wrap; gap: 0.6rem; margin-bottom: 2.6rem; }
.filter-btn {
    font-family: var(--font-mono);
    font-size: 0.82rem;
    padding: 0.55rem 1.2rem;
    border-radius: 999px;
    border: 1px solid var(--border);
    color: var(--text-2);
    background: transparent;
    transition: all 0.25s ease;
}
.filter-btn:hover { color: var(--text); border-color: var(--border-strong); }
.filter-btn.active {
    color: var(--accent-ink);
    background: linear-gradient(120deg, #7deefb, #38bdf8);
    border-color: transparent;
    font-weight: 600;
}
.project-card.hidden { display: none; }

/* ---------- Page hero (inner pages) ---------- */
.page-hero {
    padding: calc(var(--nav-h) + 5rem) 0 3.5rem;
}
.page-hero .section-title { font-size: clamp(2.3rem, 5vw, 3.6rem); }

/* ---------- About ---------- */
.about-grid {
    display: grid;
    grid-template-columns: 340px 1fr;
    gap: 3rem;
    align-items: start;
}
.portrait-card {
    position: sticky; top: calc(var(--nav-h) + 2rem);
    text-align: center;
    padding: 2.4rem 2rem;
}
.portrait {
    position: relative;
    width: 150px; height: 150px;
    margin: 0 auto 1.4rem;
    border-radius: 38px;
    display: flex; align-items: center; justify-content: center;
    font-family: var(--font-display); font-size: 3rem; font-weight: 700;
    color: #06121a;
    background: var(--grad);
    box-shadow: 0 18px 50px rgba(103, 232, 249, 0.25);
    overflow: hidden;
}
.portrait img {
    position: absolute; inset: 0;
    width: 100%; height: 100%;
    object-fit: cover;
}
.portrait-card h2 { font-family: var(--font-display); font-size: 1.4rem; margin-bottom: 0.3rem; }
.portrait-role { color: var(--text-2); font-size: 0.92rem; margin-bottom: 1.6rem; }
.portrait-facts {
    list-style: none; text-align: left;
    display: grid; gap: 0.7rem;
    border-top: 1px solid var(--border);
    padding-top: 1.5rem;
}
.portrait-facts li { display: flex; gap: 0.8rem; align-items: baseline; color: var(--text-2); font-size: 0.92rem; }
.portrait-facts li i { color: var(--accent); width: 18px; text-align: center; }

.prose p { color: var(--text-2); font-size: 1.05rem; margin-bottom: 1.2rem; max-width: 68ch; }
.prose p strong { color: var(--text); }

/* Timeline */
.timeline { position: relative; padding-left: 2rem; display: grid; gap: 2rem; }
.timeline::before {
    content: '';
    position: absolute; left: 5px; top: 8px; bottom: 8px;
    width: 1px;
    background: linear-gradient(180deg, var(--accent), rgba(103, 232, 249, 0.06));
}
.timeline-item { position: relative; }
.timeline-item::before {
    content: '';
    position: absolute; left: -2rem; top: 7px;
    width: 11px; height: 11px; border-radius: 50%;
    background: var(--bg);
    border: 2px solid var(--accent);
    box-shadow: 0 0 12px rgba(103, 232, 249, 0.5);
}
.timeline-item h4 { font-family: var(--font-display); font-size: 1.12rem; margin-bottom: 0.15rem; }
.timeline-item p { color: var(--text-2); font-size: 0.95rem; }
.timeline-status {
    display: inline-block;
    font-family: var(--font-mono); font-size: 0.72rem;
    letter-spacing: 0.1em; text-transform: uppercase;
    color: var(--success);
    background: rgba(74, 222, 128, 0.08);
    border: 1px solid rgba(74, 222, 128, 0.25);
    padding: 0.25rem 0.7rem; border-radius: 999px;
    margin-top: 0.55rem;
}
.timeline-status.done { color: var(--text-2); background: var(--surface); border-color: var(--border); }

.cards-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.6rem; }
.cards-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.6rem; }

.quote-block {
    border-left: 2px solid var(--accent);
    padding: 0.4rem 0 0.4rem 1.6rem;
    font-family: var(--font-display);
    font-size: clamp(1.2rem, 2.4vw, 1.55rem);
    font-weight: 500; line-height: 1.5;
    color: var(--text);
    max-width: 62ch;
}

/* ---------- Contact ---------- */
.contact-grid {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 2.5rem;
    align-items: start;
}
.contact-cards { display: grid; gap: 1.2rem; }
.contact-card {
    display: flex; align-items: center; gap: 1.2rem;
    text-decoration: none;
    padding: 1.5rem 1.7rem;
}
.contact-card .card-icon { margin-bottom: 0; flex-shrink: 0; }
.contact-card h3 { font-size: 1.05rem; margin-bottom: 0.15rem; }
.contact-card p { font-size: 0.88rem; word-break: break-all; }
.contact-card .fa-arrow-right {
    margin-left: auto; color: var(--text-3);
    transition: transform 0.25s var(--ease), color 0.25s ease;
}
.contact-card:hover .fa-arrow-right { transform: translateX(4px); color: var(--accent); }

.form-card { padding: 2.4rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.2rem; }
.form-group { margin-bottom: 1.3rem; }
.form-group label {
    display: block;
    font-size: 0.85rem; font-weight: 600;
    margin-bottom: 0.5rem; color: var(--text);
}
.form-group label span { color: var(--accent); }
.form-group input, .form-group textarea {
    width: 100%;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-strong);
    border-radius: 12px;
    padding: 0.85rem 1.05rem;
    color: var(--text);
    font: inherit; font-size: 0.95rem;
    transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}
.form-group input::placeholder, .form-group textarea::placeholder { color: var(--text-3); }
.form-group input:focus, .form-group textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(103, 232, 249, 0.14);
    background: rgba(255, 255, 255, 0.05);
}
.form-group textarea { min-height: 150px; resize: vertical; }
.form-hint { font-size: 0.82rem; color: var(--text-3); margin-top: 1rem; }
.form-hint i { color: var(--accent); margin-right: 0.4rem; }

.form-alert {
    display: flex; align-items: baseline; gap: 0.7rem;
    padding: 0.95rem 1.2rem;
    border-radius: 12px;
    font-size: 0.92rem;
    margin-bottom: 1.5rem;
}
.form-alert.success {
    color: #bbf7d0;
    background: rgba(74, 222, 128, 0.08);
    border: 1px solid rgba(74, 222, 128, 0.3);
}
.form-alert.success i { color: var(--success); }
.form-alert.error {
    color: #fecaca;
    background: rgba(239, 68, 68, 0.08);
    border: 1px solid rgba(239, 68, 68, 0.35);
}
.form-alert.error i { color: #f87171; }

.btn:disabled { opacity: 0.6; cursor: not-allowed; transform: none !important; }

/* ---------- Footer CTA + footer ---------- */
.footer-cta {
    padding: 7rem 0;
    text-align: center;
    border-top: 1px solid var(--border);
    background:
        radial-gradient(700px 340px at 50% 100%, rgba(103, 232, 249, 0.07), transparent 65%);
}
.footer-cta .section-tag { justify-content: center; }
.footer-cta .section-tag span { background: linear-gradient(90deg, transparent, var(--accent)); }
.footer-cta-title {
    font-family: var(--font-display);
    font-size: clamp(2.2rem, 5.5vw, 3.8rem);
    font-weight: 700; line-height: 1.1;
    letter-spacing: -0.025em;
    margin-bottom: 1.2rem;
}
.footer-cta-sub { color: var(--text-2); max-width: 52ch; margin: 0 auto 2.6rem; font-size: 1.05rem; }
.footer-cta-actions { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }

.site-footer { border-top: 1px solid var(--border); padding: 2rem 0; }
.footer-inner {
    display: flex; align-items: center; justify-content: space-between;
    gap: 1rem; flex-wrap: wrap;
}
.footer-copy { color: var(--text-3); font-size: 0.88rem; }
.footer-links { display: flex; gap: 0.4rem; }
.footer-links a {
    display: inline-flex; align-items: center; justify-content: center;
    width: 40px; height: 40px; border-radius: 11px;
    color: var(--text-3); text-decoration: none;
    transition: color 0.2s ease, background 0.2s ease;
}
.footer-links a:hover { color: var(--accent); background: var(--surface-2); }

/* ---------- Reveal animations ---------- */
.reveal {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
    transition-delay: var(--d, 0s);
}
.reveal.visible { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
    .hero-grid { grid-template-columns: 1fr; gap: 3rem; }
    .terminal { transform: none; max-width: 620px; }
    .flagship { grid-template-columns: 1fr; gap: 2rem; }
    .about-grid { grid-template-columns: 1fr; }
    .portrait-card { position: static; max-width: 420px; }
    .cards-3 { grid-template-columns: 1fr 1fr; }
    .contact-grid { grid-template-columns: 1fr; }

    .nav-cta-wrap { margin: 0.5rem 0 0; }
    .hamburger { display: flex; }
    .nav-menu {
        position: fixed;
        top: var(--nav-h); left: 0; right: 0;
        flex-direction: column; align-items: stretch; gap: 0.3rem;
        background: rgba(5, 7, 13, 0.97);
        backdrop-filter: blur(20px);
        border-bottom: 1px solid var(--border);
        padding: 1.2rem 1.5rem 1.6rem;
        opacity: 0; visibility: hidden;
        transform: translateY(-12px);
        transition: opacity 0.3s ease, transform 0.3s var(--ease), visibility 0.3s;
    }
    .nav-menu.open { opacity: 1; visibility: visible; transform: none; }
    .nav-link { padding: 0.85rem 1rem; font-size: 1.05rem; }
    .nav-cta { width: 100%; }
}

@media (max-width: 768px) {
    .section { padding: 4.5rem 0; }
    .projects-grid { grid-template-columns: 1fr; }
    .cards-3, .cards-2 { grid-template-columns: 1fr; }
    .project-feats { grid-template-columns: 1fr; }
    .form-row { grid-template-columns: 1fr; }
    .flagship { padding: 1.8rem; }
    .hero { padding-top: calc(var(--nav-h) + 2.5rem); }
    .hero-stats { gap: 1.8rem; }
    .footer-inner { justify-content: center; text-align: center; }
    .terminal-title { display: none; }
}

@media (max-width: 400px) {
    .hero-actions .btn { width: 100%; }
    .footer-cta-actions .btn { width: 100%; }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    .reveal { opacity: 1; transform: none; }
    .marquee { animation: none; }
}