/* Jonathan Pratte — Portfolio (OptimusQuebec layout · original site palette) */

@import url('https://fonts.googleapis.com/css2?family=Open+Sans:wght@400;500;600&family=Outfit:wght@300;400;500;600;700&family=Playfair+Display:wght@600;700&display=swap');

:root {
    --bg-deep: #1a2e3b;
    --bg-base: #10445c;
    --bg-elevated: rgba(16, 68, 92, 0.92);
    --bg-card: rgba(7, 94, 129, 0.35);
    --bg-glass: rgba(10, 172, 236, 0.06);
    --border: rgba(10, 172, 236, 0.18);
    --border-strong: rgba(10, 172, 236, 0.32);
    --text-primary: #e8f4fa;
    --text-secondary: rgba(232, 244, 250, 0.78);
    --text-muted: rgba(232, 244, 250, 0.52);
    --accent: #0aacec;
    --accent-soft: rgba(10, 172, 236, 0.14);
    --accent-glow: rgba(10, 172, 236, 0.35);
    --accent-deep: #02709c;
    --accent-teal: #075e81;
    --copper: #cc8443;
    --copper-hover: #c9612a;
    --copper-soft: rgba(204, 132, 67, 0.14);
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 22px;
    --radius-xl: 32px;
    --shadow-sm: 0 4px 28px rgba(0, 0, 0, 0.45);
    --shadow-md: 0 16px 56px rgba(0, 0, 0, 0.55);
    --font-display: 'Playfair Display', Georgia, serif;
    --font-body: 'Outfit', 'Open Sans', system-ui, sans-serif;
    --nav-height: 80px;
    --nav-height-mobile: 64px;
    --container-gutter: 1.25rem;
    --section-gap: clamp(3rem, 5vh, 5rem);
    --section-gap-sm: clamp(1.5rem, 3vh, 2.5rem);
    --block-gap: clamp(1.25rem, 2vh, 2rem);
    --content-max: 1180px;
    --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-scroll: cubic-bezier(0.22, 1, 0.36, 1);
    --scroll-pull: 0;
    --page-depth: 0;
}

[data-theme="light"] {
    --bg-deep: #e8f4fa;
    --bg-base: #d0e8f4;
    --bg-elevated: #ffffff;
    --bg-card: rgba(255, 255, 255, 0.88);
    --bg-glass: rgba(7, 94, 129, 0.04);
    --border: rgba(7, 94, 129, 0.12);
    --border-strong: rgba(7, 94, 129, 0.22);
    --text-primary: #10445c;
    --text-secondary: #075e81;
    --text-muted: #246e9c;
    --accent-soft: rgba(10, 172, 236, 0.1);
    --shadow-sm: 0 4px 24px rgba(7, 94, 129, 0.1);
    --shadow-md: 0 12px 48px rgba(7, 94, 129, 0.14);
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: calc(var(--nav-height) + 24px);
}

body {
    font-family: var(--font-body);
    font-size: 1.05rem;
    line-height: 1.7;
    color: var(--text-secondary);
    background: linear-gradient(160deg, rgb(18, 38, 50) 0%, rgb(16, 68, 92) 45%, rgb(22, 58, 78) 100%);
    background-attachment: fixed;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

::selection {
    background: rgba(10, 172, 236, 0.35);
    color: var(--text-primary);
}

body.is-scroll-down .page-flow,
body.is-scroll-up .page-flow {
    transform: translate3d(0, calc(var(--scroll-pull) * -0.04px), 0);
    margin-bottom: calc(var(--scroll-pull) * -0.04px);
}

body.is-scroll-down .page-flow {
    transition: transform 0.85s var(--ease-scroll), margin-bottom 0.85s var(--ease-scroll);
}

body.is-scroll-up .page-flow {
    transition: transform 1.05s var(--ease-out-expo), margin-bottom 1.05s var(--ease-out-expo);
}

[data-theme="light"] body {
    background: linear-gradient(135deg, #e8f4fa 0%, #b8dce8 100%);
}

.ambient-bg {
    position: fixed;
    inset: 0;
    z-index: -1;
    pointer-events: none;
    background:
        radial-gradient(ellipse 80% 50% at 50% -20%, var(--accent-soft), transparent),
        radial-gradient(ellipse 60% 40% at 100% 50%, var(--copper-soft), transparent),
        radial-gradient(ellipse 50% 30% at 0% 80%, rgba(36, 110, 156, 0.12), transparent),
        var(--bg-deep);
}

.grid-overlay {
    position: fixed;
    inset: 0;
    z-index: -1;
    pointer-events: none;
    opacity: 0.18;
    background-image:
        linear-gradient(var(--border) 1px, transparent 1px),
        linear-gradient(90deg, var(--border) 1px, transparent 1px);
    background-size: 64px 64px;
    mask-image: radial-gradient(ellipse 80% 60% at 50% 30%, black, transparent);
}

.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 3px;
    width: 100%;
    background: linear-gradient(90deg, var(--accent), var(--copper));
    z-index: 1002;
    transform-origin: left;
    transform: scaleX(0);
    transition: transform 0.15s linear;
    box-shadow: 0 0 18px var(--accent-glow);
    pointer-events: none;
}

h1, h2, h3, h4 {
    font-family: var(--font-display);
    color: var(--text-primary);
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.4rem, 6vw, 4rem); }
h2 { font-size: clamp(1.8rem, 4vw, 2.6rem); }
h3 { font-size: clamp(1.15rem, 2vw, 1.35rem); }

p { margin: 0.6rem 0; }

a {
    color: var(--accent);
    text-decoration: none;
    transition: color 0.2s;
}

a:hover { color: var(--copper); }

strong { color: var(--text-primary); font-weight: 600; }

.text-gradient {
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--accent) 55%, var(--copper) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 1rem;
}

.eyebrow::before {
    content: '';
    width: 24px;
    height: 2px;
    background: var(--accent);
    border-radius: 2px;
}

.lead {
    font-size: clamp(1.05rem, 2vw, 1.25rem);
    color: var(--text-secondary);
    max-width: 62ch;
}

.container {
    width: min(100% - 2 * var(--container-gutter), var(--content-max));
    margin-inline: auto;
}

.section {
    padding-top: var(--section-gap);
    padding-bottom: 0;
    position: relative;
}

.section--cta { padding-bottom: var(--section-gap-sm); }

.section-header {
    margin-bottom: clamp(1.5rem, 3vh, 2.75rem);
    max-width: 720px;
}

.section-header.reveal .eyebrow::before {
    width: 0;
    transition: width 0.8s var(--ease-out-expo) 0.15s;
}

.section-header.reveal.is-visible .eyebrow::before {
    width: 24px;
}

.section-header.centered {
    text-align: center;
    margin-inline: auto;
}

.section-header.centered .eyebrow {
    justify-content: center;
}

.section-header.centered .lead {
    margin-inline: auto;
}

.section-divider {
    height: 1px;
    max-width: var(--content-max);
    margin: 0 auto;
    background: linear-gradient(90deg, transparent, var(--border-strong), transparent);
    opacity: 0.7;
}

/* Navigation */
.nav-backdrop {
    position: fixed;
    inset: 0;
    top: var(--nav-height);
    z-index: 998;
    background: rgba(16, 68, 92, 0.65);
    backdrop-filter: blur(2px);
    -webkit-backdrop-filter: blur(2px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.nav-backdrop.is-visible {
    opacity: 1;
    pointer-events: auto;
}

body.nav-menu-open {
    overflow: hidden;
}

.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    height: var(--nav-height);
    display: flex;
    align-items: center;
    justify-content: center;
    padding-inline: var(--container-gutter);
    background: rgba(16, 68, 92, 0.52);
    backdrop-filter: blur(18px) saturate(1.2);
    -webkit-backdrop-filter: blur(18px) saturate(1.2);
    border-bottom: 1px solid rgba(10, 172, 236, 0.14);
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.12);
    transition: background 0.55s var(--ease-out-expo), box-shadow 0.55s, backdrop-filter 0.55s, border-color 0.55s;
}

[data-theme="light"] .nav {
    background: rgba(232, 244, 250, 0.62);
    border-bottom-color: rgba(7, 94, 129, 0.12);
    box-shadow: 0 4px 20px rgba(7, 94, 129, 0.08);
}

.nav.scrolled {
    background: rgba(16, 68, 92, 0.88);
    backdrop-filter: blur(24px) saturate(1.25);
    -webkit-backdrop-filter: blur(24px) saturate(1.25);
    border-bottom-color: var(--border);
    box-shadow: var(--shadow-sm);
}

[data-theme="light"] .nav.scrolled {
    background: rgba(232, 244, 250, 0.92);
}

.nav-inner {
    width: 100%;
    max-width: var(--content-max);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-primary);
    text-decoration: none;
    flex-shrink: 0;
}

.nav-brand-mark-frame {
    position: relative;
    flex-shrink: 0;
    width: 56px;
    height: 56px;
    display: grid;
    place-items: center;
}

.nav-brand-orbit-ring {
    position: absolute;
    border-radius: 50%;
    border: 1px dashed rgba(10, 172, 236, 0.4);
    pointer-events: none;
    animation: orbit-spin 28s linear infinite;
}

.nav-brand-orbit-ring--inner {
    inset: 1px;
    animation-duration: 18s;
    border-color: rgba(204, 132, 67, 0.35);
}

.nav-brand-orbit-ring--outer {
    inset: -3px;
    animation-direction: reverse;
}

.nav-brand-mark {
    position: relative;
    z-index: 1;
    width: 52px;
    height: 52px;
    object-fit: contain;
    display: block;
    filter: drop-shadow(0 0 10px rgba(10, 172, 236, 0.35));
    transition: transform 0.2s ease;
}

.nav-brand:hover .nav-brand-mark {
    transform: scale(1.05);
}

.nav-brand-name {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 700;
    line-height: 1.1;
}

.nav-brand-tag {
    display: block;
    font-family: var(--font-body);
    font-size: 0.68rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--accent);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    list-style: none;
}

.nav-links a {
    display: block;
    padding: 0.45rem 0.85rem;
    font-size: 0.82rem;
    font-weight: 500;
    letter-spacing: 0.03em;
    color: var(--text-secondary);
    border-radius: 100px;
    transition: color 0.2s, background 0.2s;
}

.nav-links a.is-active {
    color: var(--text-primary);
    background: var(--accent-soft);
}

.nav-link-cta {
    color: var(--copper) !important;
    border: 1px solid rgba(204, 132, 67, 0.45);
    background: var(--copper-soft) !important;
}

.nav-cta-desktop {
    display: none;
    font-size: 0.82rem;
    padding: 0.5rem 1rem;
}

@media (min-width: 1025px) {
    .nav-cta-desktop {
        display: inline-flex;
    }
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border: 1px solid var(--border-strong);
    border-radius: 50%;
    background: var(--bg-glass);
    color: var(--text-primary);
    cursor: pointer;
    transition: border-color 0.2s, background 0.2s;
}

.btn-icon:hover {
    border-color: var(--accent);
    background: var(--accent-soft);
}

.btn-icon svg { width: 18px; height: 18px; }

.lang-toggle-label {
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.06em;
}

.nav-toggle {
    display: none;
}

.nav-toggle-icon {
    width: 20px;
    height: 20px;
}

.nav-tabs-panel {
    display: block;
}

/* Section rail */
.section-rail {
    position: fixed;
    right: max(1rem, calc((100vw - var(--content-max)) / 2 - 3rem));
    top: 50%;
    transform: translateY(-50%);
    z-index: 900;
}

.section-rail-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.65rem;
}

.section-rail a {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 0.5rem;
    font-size: 0.65rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-muted);
    text-decoration: none;
    transition: color 0.2s;
}

.section-rail a span {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--border-strong);
    transition: background 0.2s, transform 0.2s, box-shadow 0.2s;
}

.section-rail a.is-active,
.section-rail a:hover {
    color: var(--accent);
}

.section-rail a.is-active span,
.section-rail a:hover span {
    background: var(--accent);
    box-shadow: 0 0 8px var(--accent-glow);
    transform: scale(1.3);
}

.section-rail a::before {
    content: attr(data-label);
    opacity: 0;
    transform: translateX(6px);
    transition: opacity 0.2s, transform 0.2s;
}

.section-rail a:hover::before,
.section-rail a.is-active::before {
    opacity: 1;
    transform: translateX(0);
}

@media (max-width: 1280px) {
    .section-rail { display: none; }
}

/* Hero */
.hero {
    display: flex;
    align-items: flex-start;
    padding-top: calc(var(--nav-height) + 1.25rem);
    padding-bottom: clamp(1.5rem, 3vh, 2.5rem);
    position: relative;
}

.hero-intro {
    max-width: 44rem;
    margin-inline: auto;
    text-align: center;
    padding-block: 0;
}

.hero-intro .hero-badge {
    margin-inline: auto;
}

.hero-intro .hero-cta {
    justify-content: center;
}

.hero-intro .lead {
    margin-inline: auto;
    max-width: 36rem;
}

.hero-glow {
    position: absolute;
    top: 10%;
    left: 50%;
    transform: translateX(-50%);
    width: min(700px, 80vw);
    height: 400px;
    background: radial-gradient(ellipse, var(--accent-glow), transparent 70%);
    pointer-events: none;
    opacity: 0.5;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: clamp(2rem, 4vw, 4rem);
    align-items: center;
    padding-block: 3rem;
}

.hero-visual,
.about-visual {
    position: relative;
    perspective: 1200px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--accent);
    padding: 0.4rem 0.9rem;
    border-radius: 100px;
    border: 1px solid var(--border);
    background: var(--bg-glass);
    margin-bottom: 1.25rem;
}

.pulse-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--accent);
    animation: pulse-dot 2s ease infinite;
}

@keyframes pulse-dot {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(0.85); }
}

.hero-cta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.85rem;
    margin-top: 1.75rem;
}

.hero-orbit-frame,
.craft-visual {
    position: relative;
    border-radius: var(--radius-xl);
    padding: 0.65rem;
    background: linear-gradient(145deg, rgba(10, 172, 236, 0.12), rgba(204, 132, 67, 0.08));
    border: 1px solid var(--border-strong);
    box-shadow: var(--shadow-md), 0 0 80px rgba(10, 172, 236, 0.12);
    overflow: visible;
    transform-style: preserve-3d;
    transition: transform 0.6s var(--ease-out-expo);
}

.hero-orbit-img {
    position: relative;
    z-index: 1;
    width: 100%;
    border-radius: calc(var(--radius-xl) - 6px);
    display: block;
    aspect-ratio: 16 / 10;
    object-fit: cover;
    object-position: center;
    transition: transform 0.6s var(--ease-out-expo);
    will-change: transform;
}

.hero-orbit-glow {
    position: absolute;
    inset: 10%;
    border-radius: var(--radius-lg);
    background: radial-gradient(circle at 50% 40%, var(--accent-glow), transparent 70%);
    pointer-events: none;
    z-index: 0;
}

.hero-orbit-ring {
    position: absolute;
    border-radius: 50%;
    border: 1px dashed rgba(10, 172, 236, 0.35);
    pointer-events: none;
    animation: orbit-spin 28s linear infinite;
}

.hero-orbit-ring--outer {
    inset: -18px;
    animation-direction: reverse;
}

.hero-orbit-ring--inner {
    inset: -8px;
    animation-duration: 18s;
    border-color: rgba(204, 132, 67, 0.25);
}

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

.hero-float {
    position: absolute;
    z-index: 2;
    font-size: 0.68rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--text-primary);
    padding: 0.45rem 0.75rem;
    border-radius: 100px;
    border: 1px solid var(--border-strong);
    background: rgba(16, 68, 92, 0.88);
    backdrop-filter: blur(12px);
    box-shadow: var(--shadow-sm);
    white-space: nowrap;
    animation: float-drift 5s ease-in-out infinite;
}

.hero-float--1 { top: 8%; left: -4%; animation-delay: 0s; }
.hero-float--2 { bottom: 18%; right: -6%; animation-delay: 1.2s; color: var(--accent); border-color: rgba(10, 172, 236, 0.4); }
.hero-float--3 { top: 42%; right: -8%; animation-delay: 2.4s; color: var(--copper); border-color: rgba(204, 132, 67, 0.45); }
.hero-float--4 { bottom: 10%; left: -6%; animation-delay: 3.6s; color: var(--accent); border-color: rgba(10, 172, 236, 0.35); }
.hero-float--5 { top: 22%; left: 6%; animation-delay: 4.8s; color: var(--copper); border-color: rgba(204, 132, 67, 0.4); }
.hero-float--6 { bottom: 32%; right: 4%; animation-delay: 6s; color: var(--text-primary); border-color: rgba(232, 244, 250, 0.28); }
.hero-float--7 { top: 48%; left: -10%; animation-delay: 7.2s; color: var(--accent); border-color: rgba(10, 172, 236, 0.4); }

@keyframes float-drift {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

/* Stats bar */
.stats-bar {
    padding: 0 0 clamp(2rem, 4vh, 3rem);
    margin-top: clamp(-0.5rem, -2vh, 0);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
    padding: 1.25rem;
    border-radius: var(--radius-xl);
    border: 1px solid var(--border);
    background: linear-gradient(135deg, rgba(7, 94, 129, 0.45), rgba(16, 68, 92, 0.25));
    backdrop-filter: blur(16px);
    box-shadow: var(--shadow-sm);
}

.stat-item {
    text-align: center;
    padding: 0.75rem 0.5rem;
    border-right: 1px solid var(--border);
}

.stat-item:last-child { border-right: none; }

.stat-value {
    font-family: var(--font-display);
    font-size: clamp(1.6rem, 3vw, 2.2rem);
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.1;
    background: linear-gradient(135deg, var(--text-primary), var(--accent));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.stat-label {
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--accent);
    margin-top: 0.35rem;
}

.stat-sublabel {
    font-size: 0.72rem;
    color: var(--text-muted);
    margin-top: 0.15rem;
}

/* About split */
.about-grid {
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    gap: clamp(2rem, 4vw, 3.5rem);
    align-items: center;
}

.about-visual .craft-visual {
    max-width: 100%;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.65rem 1.35rem;
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: 30px;
    border: none;
    cursor: pointer;
    text-decoration: none;
    transition: transform 0.25s var(--ease-out-expo), background 0.2s, box-shadow 0.2s;
}

.btn-primary {
    background: var(--copper);
    color: #fff;
    box-shadow: 0 4px 20px rgba(204, 132, 67, 0.35);
}

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

.btn-ghost {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-strong);
}

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

/* Cards & grids */
.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--block-gap);
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--block-gap);
}

.card {
    position: relative;
    background: linear-gradient(160deg, rgba(12, 58, 78, 0.55), rgba(7, 45, 62, 0.35));
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: clamp(1.25rem, 2.5vw, 1.75rem);
    backdrop-filter: blur(16px);
    box-shadow: var(--shadow-sm);
    transition: border-color 0.3s, transform 0.4s var(--ease-out-expo), box-shadow 0.4s;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--accent), var(--copper), transparent);
    opacity: 0;
    transition: opacity 0.35s;
}

.card:hover::before { opacity: 1; }

.card:hover {
    border-color: var(--border-strong);
    transform: translateY(-4px);
    box-shadow: var(--shadow-md), 0 0 32px rgba(10, 172, 236, 0.08);
}

.card-highlight {
    border-color: rgba(10, 172, 236, 0.45);
    background: linear-gradient(145deg, rgba(10, 172, 236, 0.1), rgba(204, 132, 67, 0.06));
}

.card-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    background: linear-gradient(145deg, var(--accent-soft), transparent);
    border: 1px solid var(--border);
    color: var(--accent);
    margin-bottom: 1rem;
}

.card-icon svg { width: 22px; height: 22px; }

.card-title {
    font-family: var(--font-display);
    font-size: 1.1rem;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.card-meta {
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 0.35rem;
}

.card-period {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 0.75rem;
}

/* Progress bars */
.progress-bar {
    margin-top: 1rem;
    height: 6px;
    border-radius: 100px;
    background: rgba(255, 255, 255, 0.08);
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    border-radius: 100px;
    background: linear-gradient(90deg, var(--accent-deep), var(--accent));
    width: 0;
    transition: width 1.2s var(--ease-out-expo);
}

.progress-label {
    display: flex;
    justify-content: space-between;
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 0.35rem;
}

/* Portfolio */
.portfolio-carousel {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-strong);
    background: var(--bg-card);
    box-shadow: var(--shadow-md), 0 0 60px rgba(10, 172, 236, 0.06);
}

.portfolio-track {
    display: flex;
    flex-wrap: nowrap;
    transition: transform 0.55s var(--ease-out-expo);
    will-change: transform;
}

.portfolio-slide {
    flex: 0 0 auto;
    flex-shrink: 0;
    position: relative;
    box-sizing: border-box;
}

.portfolio-slide-media {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background: rgba(8, 28, 40, 0.85);
    cursor: zoom-in;
}

.portfolio-slide-media img {
    width: 100%;
    height: 100%;
    display: block;
    box-sizing: border-box;
}

.portfolio-slide-media--game img {
    object-fit: cover;
}

.portfolio-slide--app .portfolio-slide-media img {
    object-fit: cover;
    object-position: top center;
    padding: 0;
}

.portfolio-caption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 1rem 1.25rem;
    background: linear-gradient(transparent, rgba(16, 68, 92, 0.92));
    color: var(--text-primary);
    font-weight: 600;
    font-size: 0.95rem;
}

.portfolio-caption--app,
.portfolio-caption--game {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
    padding: 2.5rem 1.25rem 1rem;
    background: linear-gradient(transparent, rgba(8, 22, 32, 0.55) 20%, rgba(8, 22, 32, 0.96) 68%);
    font-weight: 400;
}

.portfolio-caption-title {
    font-family: var(--font-display);
    font-size: 1.05rem;
    font-weight: 700;
}

.portfolio-caption-desc {
    margin: 0;
    font-weight: 400;
    font-size: 0.78rem;
    line-height: 1.4;
    color: var(--text-secondary);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.portfolio-caption-links {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    margin-top: 0.15rem;
    flex-wrap: wrap;
}

.portfolio-caption-link {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    text-decoration: none;
}

.portfolio-caption-link--github {
    color: var(--copper);
}

.portfolio-caption-link--site {
    margin-left: auto;
    color: var(--accent);
}

.portfolio-caption-link:hover {
    color: var(--text-primary);
}

.portfolio-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin-top: 1rem;
}

.portfolio-counter {
    min-width: 4.5rem;
    text-align: center;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    color: var(--text-secondary);
    font-variant-numeric: tabular-nums;
}

.portfolio-dots--hidden {
    display: none;
}

.portfolio-btn {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 1px solid var(--border-strong);
    background: var(--bg-glass);
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: border-color 0.2s, background 0.2s;
}

.portfolio-btn:hover {
    border-color: var(--accent);
    background: var(--accent-soft);
}

.portfolio-dots {
    display: flex;
    gap: 0.4rem;
    flex-wrap: wrap;
    justify-content: center;
    max-width: 400px;
}

.portfolio-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    border: none;
    background: var(--border-strong);
    cursor: pointer;
    padding: 0;
    transition: background 0.2s, transform 0.2s;
}

.portfolio-dot.is-active {
    background: var(--accent);
    transform: scale(1.25);
}

.portfolio-grid {
    display: flex;
    gap: 0.75rem;
    margin-top: var(--block-gap);
    overflow-x: auto;
    overflow-y: visible;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    padding: 0.35rem 0 0.5rem;
    scroll-padding-inline: 1.25rem;
}

.portfolio-grid::before,
.portfolio-grid::after {
    content: "";
    flex: 0 0 1.25rem;
    width: 1.25rem;
    pointer-events: none;
}

.portfolio-grid::-webkit-scrollbar {
    display: none;
}

.portfolio-thumb {
    flex: 0 0 180px;
    width: 180px;
    border-radius: var(--radius-sm);
    overflow: hidden;
    border: 2px solid var(--border);
    cursor: pointer;
    aspect-ratio: 16 / 9;
    transition: border-color 0.2s, border-width 0.2s, box-shadow 0.2s, transform 0.2s, outline 0.2s;
    position: relative;
    background: transparent;
}

.portfolio-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transform: scale(1.5);
    transform-origin: center center;
    cursor: zoom-in;
}
.portfolio-thumb:hover:not(.is-active) {
    border-color: rgba(10, 172, 236, 0.55);
    box-shadow: 0 0 0 1px rgba(10, 172, 236, 0.25);
}

.portfolio-thumb.is-active {
    border-color: var(--accent);
    box-shadow:
        0 0 0 2px var(--accent),
        0 0 0 5px rgba(10, 172, 236, 0.38),
        0 0 24px rgba(10, 172, 236, 0.45);
    outline: 2px solid var(--copper);
    outline-offset: 3px;
    transform: scale(1.05);
    z-index: 1;
}

.portfolio-thumb-badge {
    position: absolute;
    top: 0.35rem;
    left: 0.35rem;
    font-size: 0.58rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 0.2rem 0.45rem;
    border-radius: 100px;
    background: rgba(16, 68, 92, 0.88);
    border: 1px solid var(--border-strong);
    color: var(--accent);
    pointer-events: none;
}

.portfolio-thumb--app img {
    object-fit: cover;
    background: rgba(8, 28, 40, 0.85);
}

.portfolio-lightbox {
    position: fixed;
    inset: 0;
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: clamp(1rem, 4vw, 2.5rem);
    background: rgba(4, 12, 18, 0.94);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    cursor: zoom-out;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition:
        opacity 0.32s var(--ease-out-expo),
        visibility 0.32s var(--ease-out-expo),
        backdrop-filter 0.32s var(--ease-out-expo);
}

.portfolio-lightbox-panel {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.85rem;
    width: min(96vw, 1680px);
    max-height: 92vh;
    pointer-events: none;
}

.portfolio-lightbox.is-open {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

.portfolio-lightbox[hidden] {
    display: none !important;
}

.portfolio-lightbox img {
    display: block;
    max-width: 100%;
    max-height: min(72vh, calc(92vh - 7rem));
    width: auto;
    height: auto;
    object-fit: contain;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-strong);
    box-shadow: var(--shadow-md), 0 0 80px rgba(10, 172, 236, 0.12);
    pointer-events: none;
    opacity: 0;
    transform: scale(0.94) translateY(12px);
    transition:
        opacity 0.38s var(--ease-out-expo) 0.05s,
        transform 0.42s var(--ease-out-expo) 0.05s;
}

.portfolio-lightbox-caption {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.35rem;
    width: 100%;
    max-width: 42rem;
    text-align: center;
    padding: 0 0.5rem;
    pointer-events: none;
    opacity: 0;
    transform: translateY(8px);
    transition:
        opacity 0.38s var(--ease-out-expo) 0.1s,
        transform 0.42s var(--ease-out-expo) 0.1s;
}

.portfolio-lightbox-title {
    font-family: var(--font-display);
    font-size: clamp(1rem, 2.2vw, 1.2rem);
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.25;
}

.portfolio-lightbox-desc {
    margin: 0;
    font-size: 0.82rem;
    line-height: 1.45;
    color: var(--text-secondary);
    max-width: 38rem;
}

.portfolio-lightbox-links {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    width: 100%;
    max-width: 38rem;
    flex-wrap: wrap;
}

.portfolio-lightbox-link {
    display: inline-flex;
    align-items: center;
    font-size: 0.78rem;
    font-weight: 600;
    text-decoration: none;
    pointer-events: auto;
}

.portfolio-lightbox-link--github {
    color: var(--copper);
}

.portfolio-lightbox-link--site {
    margin-left: auto;
    color: var(--accent);
}

.portfolio-lightbox-link:hover {
    text-decoration: underline;
}

.portfolio-lightbox.is-open img {
    opacity: 1;
    transform: scale(1) translateY(0);
}

.portfolio-lightbox.is-open .portfolio-lightbox-caption {
    opacity: 1;
    transform: translateY(0);
}

body.portfolio-lightbox-open {
    overflow: hidden;
}

/* Contact */
.contact-form {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
    max-width: 520px;
    margin: 1.25rem auto 0;
    text-align: left;
}

.contact-form input {
    width: 100%;
    padding: 0.75rem 1rem;
    border-radius: 30px;
    border: 1px solid var(--border-strong);
    background: var(--bg-glass);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 1rem;
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.contact-form input::placeholder {
    color: var(--text-muted);
}

.contact-form input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-soft);
}

.contact-form .btn {
    grid-column: 1 / -1;
    justify-self: center;
    min-width: 11rem;
}

.cta-section {
    text-align: center;
    padding: clamp(2.5rem, 5vw, 4rem);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-strong);
    background:
        radial-gradient(ellipse 80% 60% at 50% 0%, var(--accent-soft), transparent),
        linear-gradient(145deg, rgba(12, 58, 78, 0.6), rgba(7, 45, 62, 0.4));
    box-shadow: var(--shadow-md);
}

.cta-eyebrow {
    justify-content: center;
}

.footer-meta {
    text-align: right;
}

.footer-meta a {
    font-size: 0.82rem;
    color: var(--text-muted);
}

.footer-meta a:hover { color: var(--accent); }

.cta-section .lead { margin-inline: auto; }

.social-links {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-top: 1.5rem;
}

.social-links a {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.5rem 1rem;
    border-radius: 100px;
    border: 1px solid var(--border);
    color: var(--text-secondary);
    font-size: 0.85rem;
    transition: border-color 0.2s, color 0.2s;
}

.social-links a:hover {
    border-color: var(--accent);
    color: var(--accent);
}

/* Footer */
.footer {
    padding: 2.5rem 0;
    margin-top: var(--section-gap);
    border-top: 1px solid var(--border);
}

.footer-inner {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 1.5rem;
}

.footer-brand {
    font-family: var(--font-display);
    font-size: 1.25rem;
    color: var(--text-primary);
    margin-bottom: 0.35rem;
}

/* Reveal animations — OptimusQuebec-style bidirectional scroll */
.reveal {
    --reveal-delay: 0ms;
    opacity: 0;
    filter: blur(10px);
    transform: translate3d(0, 64px, 0) scale(0.94);
    transition:
        opacity 0.95s var(--ease-out-expo) var(--reveal-delay),
        transform 1.05s var(--ease-out-expo) var(--reveal-delay),
        filter 0.85s var(--ease-out-expo) var(--reveal-delay);
    will-change: opacity, transform, filter;
}

.reveal.is-visible {
    opacity: 1;
    filter: blur(0);
    transform: translate3d(0, 0, 0) scale(1);
}

body.is-scroll-down .reveal.is-exiting {
    opacity: 0;
    filter: blur(6px);
    transform: translate3d(0, -48px, 0) scale(0.97);
    transition-duration: 0.75s;
    transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
}

body.is-scroll-up .reveal.is-exiting-up {
    opacity: 0;
    filter: blur(6px);
    transform: translate3d(0, 48px, 0) scale(0.97);
    transition-duration: 0.8s;
    transition-timing-function: var(--ease-out-expo);
}

.reveal.is-exiting,
.reveal.is-exiting-up {
    pointer-events: none;
}

.reveal.reveal-left {
    transform: translate3d(-80px, 28px, 0) scale(0.94);
}

.reveal.reveal-left.is-visible {
    transform: translate3d(0, 0, 0) scale(1);
}

body.is-scroll-down .reveal.reveal-left.is-exiting {
    transform: translate3d(40px, -24px, 0) scale(0.97);
}

body.is-scroll-up .reveal.reveal-left.is-exiting-up {
    transform: translate3d(-40px, 32px, 0) scale(0.97);
}

.reveal.reveal-right {
    transform: translate3d(80px, 28px, 0) scale(0.94);
}

.reveal.reveal-right.is-visible {
    transform: translate3d(0, 0, 0) scale(1);
}

body.is-scroll-down .reveal.reveal-right.is-exiting {
    transform: translate3d(-40px, -24px, 0) scale(0.97);
}

body.is-scroll-up .reveal.reveal-right.is-exiting-up {
    transform: translate3d(40px, 32px, 0) scale(0.97);
}

.reveal.reveal-scale {
    transform: translate3d(0, 40px, 0) scale(0.88);
}

.reveal.reveal-scale.is-visible {
    transform: translate3d(0, 0, 0) scale(1);
}

body.is-scroll-down .reveal.reveal-scale.is-exiting {
    transform: translate3d(0, -32px, 0) scale(0.94);
}

body.is-scroll-up .reveal.reveal-scale.is-exiting-up {
    transform: translate3d(0, 36px, 0) scale(0.94);
}

.page-flow .section,
.page-flow .stats-bar {
    transition: opacity 0.8s var(--ease-scroll), transform 0.9s var(--ease-scroll);
}

body.is-scroll-down .page-flow .section.is-passed,
body.is-scroll-down .page-flow .stats-bar.is-passed {
    opacity: 0.88;
    transform: translate3d(0, -12px, 0) scale(0.995);
}

body.is-scroll-up .page-flow .section.is-passed,
body.is-scroll-up .page-flow .stats-bar.is-passed {
    opacity: 1;
    transform: translate3d(0, 0, 0) scale(1);
}

body.is-scroll-down .page-flow .section.is-inview,
body.is-scroll-down .page-flow .stats-bar.is-inview {
    opacity: 1;
    transform: translate3d(0, 0, 0) scale(1);
}

[data-delay="1"] { --reveal-delay: 80ms; }
[data-delay="2"] { --reveal-delay: 160ms; }
[data-delay="3"] { --reveal-delay: 240ms; }
[data-delay="4"] { --reveal-delay: 320ms; }
[data-delay="5"] { --reveal-delay: 400ms; }
[data-delay="6"] { --reveal-delay: 480ms; }
[data-delay="7"] { --reveal-delay: 560ms; }
[data-delay="8"] { --reveal-delay: 640ms; }

@media (prefers-reduced-motion: reduce) {
    .reveal {
        opacity: 1;
        filter: none;
        transform: none;
        transition: none;
    }

    .page-flow,
    body.is-scroll-down .page-flow,
    body.is-scroll-up .page-flow {
        transform: none;
        margin-bottom: 0;
        transition: none;
    }

    .page-flow .section {
        opacity: 1;
        transform: none;
        transition: none;
    }

    .portfolio-track { transition: none; }

    .portfolio-lightbox,
    .portfolio-lightbox img,
    .portfolio-lightbox-caption {
        transition: none !important;
        transform: none !important;
        opacity: 1 !important;
    }

    .nav-brand-orbit-ring {
        animation: none;
    }
}

/* Responsive */
@media (max-width: 1024px) {
    :root {
        --nav-height: var(--nav-height-mobile);
    }

    .nav {
        height: var(--nav-height);
        padding-inline: 0.85rem;
    }

    .nav-inner {
        flex-wrap: nowrap;
        gap: 0.65rem;
        min-width: 0;
        padding-inline: 0;
        min-height: auto;
    }

    .nav-brand {
        order: unset;
        gap: 0.6rem;
        min-width: 0;
        flex: 1 1 auto;
    }

    .nav-brand-mark-frame {
        width: 48px;
        height: 48px;
    }

    .nav-brand-mark {
        width: 44px;
        height: 44px;
    }

    .nav-brand-orbit-ring--inner {
        inset: 1px;
    }

    .nav-brand-orbit-ring--outer {
        inset: -2px;
    }

    .nav-brand-lockup {
        min-width: 0;
    }

    .nav-brand-name {
        font-size: 0.95rem;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    .nav-brand-tag {
        display: none;
    }

    .nav-actions {
        order: unset;
        gap: 0.35rem;
        flex-shrink: 0;
        margin-left: auto;
    }

    .nav-actions .btn-icon {
        width: 36px;
        height: 36px;
    }

    .lang-toggle-label {
        font-size: 0.65rem;
    }

    .nav-cta-desktop {
        display: none !important;
    }

    .nav-toggle {
        display: inline-flex;
    }

    .nav-tabs-panel {
        position: fixed;
        top: var(--nav-height);
        left: 0;
        right: 0;
        z-index: 999;
        order: unset;
        flex: unset;
        background: rgba(16, 68, 92, 0.98);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        border-bottom: 1px solid var(--border);
        padding: 0.85rem;
        transform: translateY(-110%);
        opacity: 0;
        visibility: hidden;
        pointer-events: none;
        transition: transform 0.4s var(--ease-out-expo), opacity 0.3s, visibility 0.3s;
    }

    [data-theme="light"] .nav-tabs-panel {
        background: rgba(232, 244, 250, 0.98);
    }

    .nav-tabs-panel.open {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
    }

    .nav-links {
        flex-direction: column;
        align-items: stretch;
        gap: 0.25rem;
        width: auto;
        min-width: 0;
    }

    .nav-links a {
        padding: 0.85rem 1rem;
        border-radius: var(--radius-sm);
        font-size: 0.95rem;
        white-space: normal;
        background: transparent;
        border: none;
    }

    .nav-link-cta {
        margin-top: 0.35rem;
        text-align: center;
        font-weight: 600;
        color: var(--copper) !important;
        border: 1px solid rgba(204, 132, 67, 0.45) !important;
        background: var(--copper-soft) !important;
        border-radius: var(--radius-sm);
    }

    .hero {
        padding-top: calc(var(--nav-height) + 0.85rem);
    }

    .hero-grid { grid-template-columns: 1fr; }
    .about-grid { grid-template-columns: 1fr; }
    .about-visual { margin-top: 2rem; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .stat-item:nth-child(2) { border-right: none; }
    .stat-item { border-right: none; border-bottom: 1px solid var(--border); padding-bottom: 1rem; }
    .stat-item:nth-last-child(-n+2) { border-bottom: none; }
    .grid-2, .grid-3 { grid-template-columns: 1fr; }
    .hero-float { font-size: 0.62rem; padding: 0.35rem 0.6rem; }
    .hero-float--1 { left: 0; }
    .hero-float--2 { right: 0; }
    .hero-float--3 { right: 0; }
    .hero-float--4 { left: 0; bottom: 12%; }
    .hero-float--5 { left: 0; top: 18%; }
    .hero-float--6 { right: 0; bottom: 24%; }
    .hero-float--7 { left: 0; top: 42%; }
    .hero-orbit-ring { display: none; }
    .contact-form { grid-template-columns: 1fr; }
}

@media (max-width: 520px) {
    .nav-brand-name {
        display: none;
    }

    .nav-brand {
        flex: 0 0 auto;
    }

    .portfolio-thumb {
        flex: 0 0 140px;
        width: 140px;
    }
}

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