/* ==========================================================================
   Hamza Alyamani — Design System
   Dark-first, Apple-inspired, blue accent, glassmorphism.
   ========================================================================== */

/* ---------- Tokens ---------- */
:root {
    --font-sans: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", Roboto, Inter, "Helvetica Neue", Arial, sans-serif;

    --bg: #0a0e17;
    --bg-elevated: #0f1522;
    --surface: rgba(255, 255, 255, 0.045);
    --surface-strong: rgba(255, 255, 255, 0.08);
    --border: rgba(255, 255, 255, 0.09);
    --border-strong: rgba(255, 255, 255, 0.16);

    --text: #eef2f9;
    --text-soft: #b8c2d4;
    --muted: #8b96ab;

    --accent: #3b82f6;
    --accent-strong: #2563eb;
    --accent-soft: rgba(59, 130, 246, 0.14);
    --accent-glow: rgba(59, 130, 246, 0.35);
    --gradient: linear-gradient(135deg, #60a5fa 0%, #3b82f6 45%, #2563eb 100%);

    --success: #34d399;
    --danger: #f87171;

    --radius-sm: 10px;
    --radius: 16px;
    --radius-lg: 24px;

    --shadow-card: 0 8px 32px rgba(2, 6, 16, 0.45);
    --shadow-glow: 0 0 0 1px var(--border), 0 20px 50px rgba(2, 6, 16, 0.5);

    --nav-height: 72px;
    --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);

    color-scheme: dark;
}

[data-theme="light"] {
    --bg: #f5f7fb;
    --bg-elevated: #ffffff;
    --surface: rgba(255, 255, 255, 0.72);
    --surface-strong: rgba(255, 255, 255, 0.92);
    --border: rgba(15, 23, 42, 0.10);
    --border-strong: rgba(15, 23, 42, 0.18);

    --text: #0f172a;
    --text-soft: #334155;
    --muted: #5a6a82;

    --accent: #2563eb;
    --accent-strong: #1d4ed8;
    --accent-soft: rgba(37, 99, 235, 0.10);
    --accent-glow: rgba(37, 99, 235, 0.22);

    --shadow-card: 0 8px 30px rgba(15, 23, 42, 0.08);
    --shadow-glow: 0 0 0 1px var(--border), 0 20px 45px rgba(15, 23, 42, 0.10);

    color-scheme: light;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }

* { margin: 0; }

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-sans);
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    font-size: 16px;
    min-height: 100vh;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
    transition: background-color var(--transition), color var(--transition);
}

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

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: none; }

button { font: inherit; cursor: pointer; }
input, select, textarea { font: inherit; }

ul[class], ol[class] { list-style: none; padding: 0; }

h1, h2, h3, h4 {
    line-height: 1.15;
    font-weight: 700;
    letter-spacing: -0.02em;
}

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

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

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* ---------- Utilities ---------- */
.container {
    width: min(1160px, 100% - 2.5rem);
    margin-inline: auto;
}

.container-narrow { max-width: 780px; }

.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;
}

.skip-link {
    position: fixed;
    top: -100px;
    left: 1rem;
    z-index: 1000;
    background: var(--accent);
    color: #fff;
    padding: 0.6rem 1.1rem;
    border-radius: var(--radius-sm);
    font-weight: 600;
    transition: top 0.2s ease;
}
.skip-link:focus { top: 1rem; }

.text-gradient {
    background: var(--gradient);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.glass {
    background: var(--surface);
    -webkit-backdrop-filter: blur(18px);
    backdrop-filter: blur(18px);
    border: 1px solid var(--border);
    border-radius: var(--radius);
}

.muted { color: var(--muted); }

/* ---------- Background glow ---------- */
.bg-glow {
    position: fixed;
    inset: 0;
    z-index: -1;
    pointer-events: none;
    background:
        radial-gradient(600px 400px at 85% -5%, var(--accent-glow), transparent 65%),
        radial-gradient(700px 500px at -10% 40%, rgba(96, 165, 250, 0.12), transparent 65%);
}

[data-theme="light"] .bg-glow {
    background:
        radial-gradient(600px 400px at 85% -5%, rgba(37, 99, 235, 0.12), transparent 65%),
        radial-gradient(700px 500px at -10% 40%, rgba(96, 165, 250, 0.10), transparent 65%);
}

/* ---------- Page loader ---------- */
.page-loader {
    position: fixed;
    inset: 0;
    z-index: 999;
    display: grid;
    place-items: center;
    background: var(--bg);
    transition: opacity 0.4s ease, visibility 0.4s ease;
}
.page-loader.done { opacity: 0; visibility: hidden; }

.loader-dot {
    width: 44px; height: 44px;
    border-radius: 50%;
    border: 3px solid var(--accent-soft);
    border-top-color: var(--accent);
    animation: spin 0.8s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.8rem 1.6rem;
    border-radius: 999px;
    font-weight: 600;
    font-size: 0.95rem;
    line-height: 1;
    border: 1px solid transparent;
    transition: transform var(--transition), box-shadow var(--transition),
                background-color var(--transition), border-color var(--transition),
                color var(--transition);
    white-space: nowrap;
}

.btn:active { transform: scale(0.97); }

.btn-primary {
    background: var(--gradient);
    color: #fff;
    box-shadow: 0 8px 24px var(--accent-glow);
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 32px var(--accent-glow);
}

.btn-outline {
    border-color: var(--border-strong);
    color: var(--text);
    background: transparent;
}
.btn-outline:hover {
    border-color: var(--accent);
    color: var(--accent);
    transform: translateY(-2px);
}

.btn-ghost {
    color: var(--text-soft);
    background: transparent;
}
.btn-ghost:hover { color: var(--accent); background: var(--accent-soft); }

.btn-sm { padding: 0.55rem 1.1rem; font-size: 0.875rem; }
.btn-block { width: 100%; }

.text-link {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-weight: 600;
    font-size: 0.92rem;
    color: var(--accent);
    background: none;
    border: 0;
    padding: 0;
    transition: gap var(--transition);
}
.text-link:hover { gap: 0.6rem; }
.text-link.muted { color: var(--muted); }
.text-link.muted:hover { color: var(--accent); }
.text-link.danger, .danger { color: var(--danger); }

.icon-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px; height: 40px;
    border-radius: 50%;
    border: 1px solid var(--border);
    background: var(--surface);
    color: var(--text-soft);
    transition: border-color var(--transition), color var(--transition), transform var(--transition);
}
.icon-btn:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-1px); }

/* ---------- Navbar ---------- */
.nav {
    position: sticky;
    top: 0;
    z-index: 100;
    height: var(--nav-height);
    display: flex;
    align-items: center;
    transition: background-color var(--transition), border-color var(--transition), box-shadow var(--transition);
    border-bottom: 1px solid transparent;
}

.nav.scrolled {
    background: color-mix(in srgb, var(--bg) 72%, transparent);
    -webkit-backdrop-filter: blur(18px);
    backdrop-filter: blur(18px);
    border-bottom-color: var(--border);
}

.nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.brand {
    display: inline-flex;
    align-items: center;
    color: var(--text);
    font-weight: 800;
    font-size: 1.15rem;
    letter-spacing: -0.02em;
    white-space: nowrap;
}

.brand-accent { color: var(--accent); }

.nav-links {
    display: flex;
    gap: 0.25rem;
}

.nav-links a {
    padding: 0.5rem 0.9rem;
    border-radius: 999px;
    color: var(--text-soft);
    font-weight: 500;
    font-size: 0.95rem;
    transition: color var(--transition), background-color var(--transition);
}

.nav-links a:hover { color: var(--text); background: var(--surface-strong); }
.nav-links a.active { color: var(--accent); background: var(--accent-soft); font-weight: 600; }

.nav-actions { display: flex; align-items: center; gap: 0.65rem; }

/* Theme toggle icons */
[data-theme="dark"] .icon-sun { display: block; }
[data-theme="dark"] .icon-moon { display: none; }
[data-theme="light"] .icon-sun { display: none; }
[data-theme="light"] .icon-moon { display: block; }

/* Burger */
.nav-burger { display: none; flex-direction: column; gap: 4px; }
.nav-burger span {
    display: block;
    width: 17px; height: 2px;
    border-radius: 2px;
    background: currentColor;
    transition: transform var(--transition), opacity var(--transition);
}
.nav-burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav-burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
    padding: clamp(3.5rem, 9vh, 7rem) 0 clamp(2rem, 5vh, 4rem);
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    align-items: center;
    gap: clamp(2rem, 5vw, 4rem);
}

.availability-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    padding: 0.45rem 1rem;
    border-radius: 999px;
    border: 1px solid var(--border);
    background: var(--surface);
    color: var(--text-soft);
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 1.4rem;
}

.pulse-dot {
    width: 8px; height: 8px;
    border-radius: 50%;
    background: var(--success);
    box-shadow: 0 0 0 0 rgba(52, 211, 153, 0.6);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    70% { box-shadow: 0 0 0 9px rgba(52, 211, 153, 0); }
    100% { box-shadow: 0 0 0 0 rgba(52, 211, 153, 0); }
}

.hero-title {
    font-size: clamp(2.4rem, 5.5vw, 4rem);
    margin-bottom: 0.9rem;
}

.hero-intro-line {
    display: block;
    font-size: 0.42em;
    font-weight: 600;
    color: var(--muted);
    letter-spacing: 0.01em;
    margin-bottom: 0.35rem;
}

.hero-headline {
    font-size: clamp(1.15rem, 2.4vw, 1.5rem);
    font-weight: 600;
    color: var(--text-soft);
    margin-bottom: 1rem;
}

.hero-sub {
    color: var(--muted);
    font-size: 1.05rem;
    max-width: 34rem;
    margin-bottom: 2rem;
}

.hero-cta { display: flex; flex-wrap: wrap; gap: 0.8rem; align-items: center; }

/* Photo card */
.hero-visual {
    position: relative;
    display: grid;
    place-items: center;
}

.photo-card {
    position: relative;
    width: clamp(250px, 30vw, 380px);
    transform: rotate(2.5deg);
    transition: transform 0.5s cubic-bezier(0.22, 1, 0.36, 1);
}

.photo-card:hover { transform: rotate(0deg) scale(1.015); }

.photo-card::before {
    content: "";
    position: absolute;
    inset: -14px;
    border-radius: calc(var(--radius-lg) + 14px);
    background: var(--gradient);
    opacity: 0.28;
    filter: blur(34px);
    z-index: -1;
}

.photo-card-img {
    width: 100%;
    aspect-ratio: 1 / 1;
    object-fit: cover;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-strong);
    box-shadow: var(--shadow-glow);
}

.photo-card-placeholder {
    display: grid;
    place-items: center;
    background:
        radial-gradient(circle at 30% 25%, rgba(96, 165, 250, 0.35), transparent 55%),
        var(--bg-elevated);
}

.photo-card-placeholder span {
    font-size: clamp(3.5rem, 7vw, 5.5rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    background: var(--gradient);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.photo-card-info {
    position: absolute;
    left: -1.6rem;
    bottom: -1.4rem;
    padding: 0.9rem 1.2rem;
    max-width: 85%;
    transform: rotate(-2.5deg);
    box-shadow: var(--shadow-card);
}

.photo-card-static { transform: none; }
.photo-card-static:hover { transform: none; }

.photo-card-name { font-weight: 700; font-size: 0.98rem; }
.photo-card-role { color: var(--accent); font-size: 0.8rem; font-weight: 600; margin-top: 0.1rem; }

.photo-card-loc {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    color: var(--muted);
    font-size: 0.78rem;
    margin-top: 0.35rem;
}

/* ---------- Sections ---------- */
.section { padding: clamp(3rem, 8vh, 5.5rem) 0; }
.section-tight { padding-top: 1rem; }

.section-head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 1.5rem;
    margin-bottom: clamp(2rem, 5vh, 3.2rem);
    padding-left: 1.1rem;
    border-left: 3px solid var(--accent);
}

.section-head-action { flex-shrink: 0; margin-bottom: 0.3rem; }

.eyebrow {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--accent);
    background: var(--accent-soft);
    padding: 0.35rem 0.9rem;
    border-radius: 999px;
    margin-bottom: 1rem;
}

.section-title { font-size: clamp(1.7rem, 3.6vw, 2.4rem); margin-bottom: 0.6rem; }
.section-sub { color: var(--muted); }
.section-cta { text-align: center; margin-top: 2.4rem; }

/* ---------- Hero stat ---------- */
.hero-stat {
    display: inline-flex;
    align-items: baseline;
    gap: 0.7rem;
    margin-top: 2rem;
    padding: 0.85rem 1.5rem;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    background: var(--surface);
}

.hero-stat .stat-value { font-size: 1.9rem; }
.hero-stat .stat-label { margin-top: 0; font-size: 0.95rem; }

.stat-value {
    display: block;
    font-size: 2.1rem;
    font-weight: 800;
    letter-spacing: -0.02em;
}

.stat-label {
    display: block;
    margin-top: 0.3rem;
    color: var(--muted);
    font-size: 0.9rem;
    font-weight: 500;
}

/* ---------- Marquee ---------- */
.marquee-section {
    padding: 1.2rem 0;
    border-block: 1px solid var(--border);
    background: var(--surface);
}

.marquee {
    overflow: hidden;
    -webkit-mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
    mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
}

.marquee-track {
    display: flex;
    gap: 3.2rem;
    width: max-content;
    animation: marquee 28s linear infinite;
}

.marquee:hover .marquee-track { animation-play-state: paused; }

.marquee-item {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    font-weight: 700;
    font-size: 1.02rem;
    color: var(--text-soft);
    white-space: nowrap;
    transition: color var(--transition), transform var(--transition);
}

.marquee-item:hover { color: var(--accent); transform: translateY(-2px); }
.marquee-item svg { flex-shrink: 0; }

@keyframes marquee {
    to { transform: translateX(calc(-50% - 1.6rem)); }
}

/* ---------- Section anchors (offset below sticky nav) ---------- */
section[id] { scroll-margin-top: calc(var(--nav-height) + 10px); }

/* ---------- Category filter tabs ---------- */
.filter-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 0.55rem;
    margin-bottom: 1.8rem;
}

.filter-btn {
    display: inline-flex;
    align-items: center;
    padding: 0.55rem 1.25rem;
    border-radius: 999px;
    border: 1px solid var(--border-strong);
    background: transparent;
    color: var(--text-soft);
    font-size: 0.9rem;
    font-weight: 600;
    transition: color var(--transition), border-color var(--transition),
                background-color var(--transition), transform var(--transition);
}

.filter-btn:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-1px); }

.filter-btn.active {
    background: var(--gradient);
    border-color: transparent;
    color: #fff;
    box-shadow: 0 6px 18px var(--accent-glow);
}

.filter-empty { width: 100%; }

/* ---------- Project cards ---------- */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(310px, 1fr));
    gap: 1.5rem;
}

.cards-grid-2 { grid-template-columns: repeat(auto-fill, minmax(340px, 1fr)); }

.project-card {
    display: flex;
    flex-direction: column;
    background: var(--surface);
    -webkit-backdrop-filter: blur(18px);
    backdrop-filter: blur(18px);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.project-card:hover {
    transform: translateY(-6px);
    border-color: var(--border-strong);
    box-shadow: var(--shadow-glow);
}

/* The hidden attribute must beat the card's own display value (category filter) */
.project-card[hidden] { display: none; }

.project-cover {
    display: block;
    aspect-ratio: 16 / 10;
    overflow: hidden;
    background: var(--bg-elevated);
}

.project-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.project-card:hover .project-cover img { transform: scale(1.05); }

.project-cover-placeholder {
    display: grid;
    place-items: center;
    width: 100%;
    height: 100%;
    font-size: 3rem;
    font-weight: 800;
    letter-spacing: 0.02em;
    color: rgba(255, 255, 255, 0.9);
    background:
        radial-gradient(120% 120% at 20% 10%, rgba(96, 165, 250, 0.55), transparent 60%),
        radial-gradient(120% 120% at 85% 90%, rgba(37, 99, 235, 0.5), transparent 60%),
        #101a2e;
}

.project-body {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
    padding: 1.4rem;
    flex: 1;
}

.project-category {
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--accent);
}

.project-title { font-size: 1.2rem; }
.project-title a { color: var(--text); transition: color var(--transition); }
.project-title a:hover { color: var(--accent); }

.project-summary { color: var(--muted); font-size: 0.94rem; flex: 1; }

.tech-tags { display: flex; flex-wrap: wrap; gap: 0.45rem; }

.tag {
    padding: 0.28rem 0.75rem;
    border-radius: 999px;
    background: var(--accent-soft);
    color: var(--accent);
    font-size: 0.78rem;
    font-weight: 600;
}

.tag-sm { font-size: 0.7rem; padding: 0.15rem 0.6rem; margin-left: 0.4rem; }

.project-links {
    display: flex;
    align-items: center;
    gap: 1.1rem;
    padding-top: 0.5rem;
    border-top: 1px solid var(--border);
}

/* ---------- Page hero (subpages) ---------- */
.page-hero { padding: clamp(3rem, 8vh, 5rem) 0 1.5rem; }
.page-title { font-size: clamp(2rem, 4.6vw, 3.2rem); margin: 0.4rem 0 1rem; }
.page-sub { color: var(--muted); font-size: 1.06rem; max-width: 40rem; }

.breadcrumb {
    display: flex;
    gap: 0.6rem;
    font-size: 0.9rem;
    color: var(--muted);
    margin-bottom: 0.8rem;
}

/* ---------- About ---------- */
.about-columns {
    display: grid;
    grid-template-columns: 1.6fr 1fr;
    gap: clamp(1.6rem, 4vw, 3rem);
    align-items: start;
}

.about-bio p { color: var(--text-soft); font-size: 1.04rem; margin-bottom: 1.1rem; }

.about-goals {
    padding: 1.6rem;
    position: sticky;
    top: calc(var(--nav-height) + 1rem);
}

.about-goals p { color: var(--text-soft); font-size: 0.97rem; }

.timeline-period {
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 0.3rem;
}

.timeline-title { font-size: 1.15rem; margin-bottom: 0.2rem; }
.timeline-org { color: var(--muted); font-size: 0.92rem; margin-bottom: 0.6rem; }
.timeline-desc { color: var(--text-soft); font-size: 0.95rem; }

/* ---------- Skills ---------- */
.skills-cloud { display: flex; flex-wrap: wrap; gap: 0.6rem; justify-content: center; }
.skills-cloud-left { justify-content: flex-start; }

.skill-chip {
    padding: 0.55rem 1.1rem;
    border-radius: 999px;
    border: 1px solid var(--border);
    font-size: 0.92rem;
    font-weight: 600;
    color: var(--text-soft);
    transition: transform var(--transition), border-color var(--transition), color var(--transition);
}

.skill-chip:hover { transform: translateY(-2px); border-color: var(--accent); color: var(--accent); }

.skill-groups-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.4rem;
}

.skill-group-card { padding: 1.6rem; }
.skill-group-card .skills-cloud { justify-content: flex-start; }
.skill-group-title { font-size: 1.05rem; margin-bottom: 1.1rem; color: var(--accent); }

/* ---------- Resume ---------- */
.resume-columns {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2.2rem;
    align-items: start;
}

.resume-heading {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-size: 1.3rem;
    margin: 0 0 1.2rem;
    color: var(--text);
}

.resume-heading:not(:first-child) { margin-top: 2rem; }
.resume-heading svg { color: var(--accent); }

.resume-entry { padding: 1.4rem 1.6rem; margin-bottom: 1rem; }

.lang-list li {
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--border);
    color: var(--text-soft);
    font-weight: 500;
}
.lang-list li:last-child { border-bottom: 0; }

/* ---------- Case study ---------- */
.case-cover {
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border);
    margin-bottom: 2.2rem;
    aspect-ratio: 16 / 9;
    background: var(--bg-elevated);
}

.case-cover img { width: 100%; height: 100%; object-fit: cover; }
.case-cover-placeholder { font-size: 4.5rem; aspect-ratio: auto; height: 100%; }

.case-body p {
    color: var(--text-soft);
    font-size: 1.06rem;
    margin-bottom: 1.3rem;
}

.project-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-top: 1.4rem;
}

.project-actions { display: flex; gap: 0.7rem; }

.detail-cta {
    display: flex;
    justify-content: center;
    padding-top: 0.8rem;
}

/* ---------- Contact ---------- */
.contact-cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 1.2rem;
    padding-bottom: 1.6rem;
}

.contact-tile {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
    padding: 1.6rem;
    color: var(--text);
    transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}

a.contact-tile:hover {
    transform: translateY(-4px);
    border-color: var(--accent);
    box-shadow: var(--shadow-glow);
}

.contact-tile-icon {
    display: grid;
    place-items: center;
    width: 46px; height: 46px;
    border-radius: 14px;
    background: var(--accent-soft);
    color: var(--accent);
    margin-bottom: 0.7rem;
}

.contact-tile-label {
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--muted);
}

.contact-tile-value {
    font-weight: 600;
    font-size: 1rem;
    word-break: break-word;
}

.contact-langs {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    padding: 1.2rem 1.5rem;
    margin-bottom: clamp(3rem, 8vh, 5rem);
    color: var(--text-soft);
}

.contact-langs svg { color: var(--accent); flex-shrink: 0; }
.contact-langs p { font-size: 0.95rem; }

/* ---------- Forms ---------- */
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.1rem;
}

.form-group { margin-bottom: 1.15rem; }

.form-group label {
    display: block;
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 0.45rem;
    color: var(--text-soft);
}

.req { color: var(--accent); }

.input {
    width: 100%;
    padding: 0.8rem 1rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-strong);
    background: var(--bg-elevated);
    color: var(--text);
    transition: border-color var(--transition), box-shadow var(--transition);
}

.input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-soft);
}

.input-error { border-color: var(--danger); }

textarea.input { resize: vertical; min-height: 90px; }

.field-error { color: var(--danger); font-size: 0.85rem; margin-top: 0.35rem; }

.check-label {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-soft);
    font-size: 0.93rem;
    margin-bottom: 1rem;
    cursor: pointer;
}

.check-label input { accent-color: var(--accent); width: 16px; height: 16px; }

/* ---------- Alerts ---------- */
.alert {
    padding: 0.95rem 1.3rem;
    border-radius: var(--radius-sm);
    margin: 1rem 0;
    font-weight: 500;
    border: 1px solid;
}

.alert-success {
    background: rgba(52, 211, 153, 0.1);
    border-color: rgba(52, 211, 153, 0.35);
    color: var(--success);
}

.alert-error {
    background: rgba(248, 113, 113, 0.08);
    border-color: rgba(248, 113, 113, 0.3);
    color: var(--danger);
}

.alert ul { margin: 0.4rem 0 0 1.2rem; }

/* ---------- CTA band ---------- */
.cta-band {
    padding: clamp(2.2rem, 6vw, 3.6rem);
    text-align: center;
    border-radius: var(--radius-lg);
    position: relative;
    overflow: hidden;
}

.cta-band::before {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(500px 220px at 50% -40%, var(--accent-glow), transparent 70%);
    pointer-events: none;
}

.cta-title { font-size: clamp(1.5rem, 3.4vw, 2.1rem); margin-bottom: 0.6rem; }
.cta-sub { color: var(--muted); margin-bottom: 1.8rem; }
.goals-text { max-width: 46rem; margin-inline: auto; margin-bottom: 1.8rem; }
.cta-actions { display: flex; justify-content: center; flex-wrap: wrap; gap: 0.8rem; }

/* ---------- Footer ---------- */
.footer {
    border-top: 1px solid var(--border);
    padding: 3rem 0 1.6rem;
    margin-top: 2rem;
}

.footer-inner {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: flex-start;
    gap: 2rem;
    padding-bottom: 2rem;
}

.footer-tag { color: var(--muted); font-size: 0.9rem; margin-top: 0.7rem; }

.footer-links { display: flex; flex-wrap: wrap; gap: 1.4rem; }
.footer-links a { color: var(--text-soft); font-weight: 500; font-size: 0.95rem; transition: color var(--transition); }
.footer-links a:hover { color: var(--accent); }

.footer-social { display: flex; gap: 0.9rem; }
.footer-social a {
    display: grid;
    place-items: center;
    width: 40px; height: 40px;
    border-radius: 50%;
    border: 1px solid var(--border);
    color: var(--text-soft);
    transition: color var(--transition), border-color var(--transition), transform var(--transition);
}
.footer-social a:hover { color: var(--accent); border-color: var(--accent); transform: translateY(-2px); }

.footer-bottom {
    border-top: 1px solid var(--border);
    padding-top: 1.4rem;
    color: var(--muted);
    font-size: 0.85rem;
    text-align: center;
}

/* ---------- Back to top ---------- */
.back-to-top {
    position: fixed;
    right: 1.4rem;
    bottom: 1.4rem;
    z-index: 90;
    width: 46px; height: 46px;
    border-radius: 50%;
    border: 1px solid var(--border);
    background: var(--surface-strong);
    -webkit-backdrop-filter: blur(14px);
    backdrop-filter: blur(14px);
    color: var(--text);
    display: grid;
    place-items: center;
    opacity: 0;
    visibility: hidden;
    transform: translateY(12px);
    transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
}

.back-to-top.visible { opacity: 1; visibility: visible; transform: translateY(0); }
.back-to-top:hover { border-color: var(--accent); color: var(--accent); }

/* ---------- Scroll reveal ---------- */
.reveal {
    opacity: 0;
    transform: translateY(22px);
    transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1),
                transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}

.reveal.revealed { opacity: 1; transform: none; }

/* No-JS fallback: keep everything visible */
.no-observer .reveal { opacity: 1; transform: none; }

/* ---------- Error page ---------- */
.error-hero { text-align: center; padding-bottom: clamp(3rem, 8vh, 5rem); }
.error-hero .page-sub { margin-inline: auto; }
.error-hero .hero-cta { justify-content: center; margin-top: 2rem; }

.error-code {
    font-size: clamp(5rem, 15vw, 9rem);
    font-weight: 800;
    line-height: 1;
    letter-spacing: -0.04em;
}

.empty-note { color: var(--muted); text-align: center; padding: 2rem 0; }

/* ---------- Pagination ---------- */
.pagination {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin-top: 1.6rem;
}

.pagination a, .pagination span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 38px;
    height: 38px;
    padding: 0 0.7rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    color: var(--text-soft);
    font-size: 0.9rem;
    font-weight: 600;
}

.pagination a:hover { border-color: var(--accent); color: var(--accent); }
.pagination .current { background: var(--gradient); color: #fff; border-color: transparent; }
.pagination .disabled { opacity: 0.4; }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
    .hero-grid { grid-template-columns: 1fr; text-align: center; }
    .hero-visual { order: -1; margin-bottom: 1.4rem; }
    .hero-cta { justify-content: center; }
    .hero-sub { margin-inline: auto; }

    .photo-card-info { left: 0.8rem; bottom: -1rem; }

    .section-head {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.9rem;
    }

    .about-columns { grid-template-columns: 1fr; }
    .about-goals { position: static; }

    .resume-columns { grid-template-columns: 1fr; }
}

@media (max-width: 760px) {
    .nav-links {
        position: fixed;
        top: var(--nav-height);
        left: 0; right: 0;
        flex-direction: column;
        padding: 1rem 1.25rem 1.4rem;
        background: color-mix(in srgb, var(--bg) 92%, transparent);
        -webkit-backdrop-filter: blur(20px);
        backdrop-filter: blur(20px);
        border-bottom: 1px solid var(--border);
        transform: translateY(-8px);
        opacity: 0;
        visibility: hidden;
        transition: transform var(--transition), opacity var(--transition), visibility var(--transition);
    }

    .nav-links.open { transform: none; opacity: 1; visibility: visible; }
    .nav-links a { padding: 0.85rem 1rem; font-size: 1.05rem; }

    .nav-burger { display: inline-flex; }
    .nav-cta { display: none; }

    .form-row { grid-template-columns: 1fr; }
    .float-chip { display: none; }
}