/* ===========================================================
   Harri Ahola — Portfolio site CSS
   Warm theme inspired by Ironhill; dark theme inspired by Hubtown.
   No heavy JS animation loops — CSS custom properties + IO.
   =========================================================== */

/* -----------------------------------------------------------
   Variables and themes
   ----------------------------------------------------------- */
:root {
    --font-display: 'Playfair Display', Georgia, 'Times New Roman', serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'JetBrains Mono', 'SF Mono', Consolas, monospace;

    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-smooth: cubic-bezier(0.62, 0.05, 0.01, 0.99);

    --header-height: 76px;
    --section-gap: calc(6vw + 4rem);
}

[data-theme="warm"] {
    --bg: #f4eddd;
    --surface: #ebe3d2;
    --surface-2: #e0d6c4;
    --text: #1a2315;
    --text-secondary: #3f4a34;
    --muted: #6d7a5e;
    --accent: #d4a31a;
    --accent-2: #b08506;
    --shadow: rgba(26, 35, 21, 0.08);
    --border: rgba(26, 35, 21, 0.12);
    --card-hover-shadow: rgba(26, 35, 21, 0.16);
    --card-bg: #e0d6c4;
    --header-bg: rgba(244, 237, 221, 0.92);
    --menu-bg: rgba(244, 237, 221, 0.98);
}

[data-theme="dark"] {
    --font-display: 'Space Grotesk', 'Inter', sans-serif;
    --bg: #020a19;
    --surface: #0a1224;
    --surface-2: #111c33;
    --text: #d5e0ff;
    --text-secondary: #8a9ac4;
    --muted: #4d5f8a;
    --accent: #fec81e;
    --accent-2: #d3a512;
    --shadow: rgba(0, 0, 0, 0.45);
    --border: rgba(213, 224, 255, 0.10);
    --card-hover-shadow: rgba(0, 0, 0, 0.65);
    --card-bg: #111c33;
    --header-bg: rgba(2, 10, 25, 0.92);
    --menu-bg: rgba(2, 10, 25, 0.98);
}

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

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
    transition: background-color 0.7s var(--ease-smooth), color 0.7s var(--ease-smooth);
}

h1, h2, h3, h4, h5, h6, p {
    margin: 0;
}

a {
    color: inherit;
    text-decoration: none;
}

img {
    max-width: 100%;
    display: block;
}

.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;
}

.container.gx-4,
.container-fluid.gx-4 {
    --bs-gutter-x: 2rem;
}

/* -----------------------------------------------------------
   Loader
   ----------------------------------------------------------- */
.loader {
    position: fixed;
    inset: 0;
    z-index: 9999;
    display: grid;
    place-items: center;
    background: var(--bg);
    transition: opacity 0.6s var(--ease-out), visibility 0.6s;
    animation: loaderAutoHide 0.6s 4s forwards;
}

.loader.is-loaded {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    animation: none;
}

@keyframes loaderAutoHide {
    to {
        opacity: 0;
        visibility: hidden;
        pointer-events: none;
    }
}

.loader-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 6px;
    width: 48px;
    height: 48px;
    margin-bottom: 1.5rem;
}

.loader-grid span {
    display: block;
    background: var(--accent);
    opacity: 0;
    transform: scale(0.5);
    animation: loaderPulse 1.2s infinite ease-in-out both;
}

.loader-grid span:nth-child(1) { animation-delay: 0s; }
.loader-grid span:nth-child(2) { animation-delay: 0.1s; }
.loader-grid span:nth-child(3) { animation-delay: 0.2s; }
.loader-grid span:nth-child(4) { animation-delay: 0.1s; }
.loader-grid span:nth-child(5) { animation-delay: 0.2s; }
.loader-grid span:nth-child(6) { animation-delay: 0.3s; }
.loader-grid span:nth-child(7) { animation-delay: 0.2s; }
.loader-grid span:nth-child(8) { animation-delay: 0.3s; }
.loader-grid span:nth-child(9) { animation-delay: 0.4s; }

@keyframes loaderPulse {
    0%, 80%, 100% { opacity: 0; transform: scale(0.5); }
    40% { opacity: 1; transform: scale(1); }
}

.loader-name {
    font-family: var(--font-display);
    font-size: 1.4rem;
    letter-spacing: -0.03em;
    color: var(--text);
}

/* -----------------------------------------------------------
   Scroll progress
   ----------------------------------------------------------- */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    z-index: 1001;
    background: transparent;
    pointer-events: none;
}

.scroll-progress span {
    display: block;
    width: 0%;
    height: 100%;
    background: var(--accent);
    transition: width 0.05s linear;
}

/* -----------------------------------------------------------
   Header
   ----------------------------------------------------------- */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 900;
    padding: 1.25rem 0;
    transition: background-color 0.4s var(--ease-smooth), backdrop-filter 0.4s, padding 0.4s;
}

.site-header.is-scrolled {
    background-color: var(--header-bg);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
    letter-spacing: -0.02em;
    color: var(--text);
}

.logo-mark {
    display: inline-block;
    width: 14px;
    height: 14px;
    background: var(--accent);
    transform: rotate(45deg);
    animation: markSpin 8s linear infinite;
}

@keyframes markSpin {
    to { transform: rotate(225deg); }
}

.header-nav {
    align-items: center;
    gap: 0.25rem;
}

.header-nav .nav-link {
    position: relative;
    padding: 0.5rem 0.75rem;
    font-family: var(--font-mono);
    font-size: 0.82rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--text-secondary);
    transition: color 0.3s;
}

.header-nav .nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0.75rem;
    right: 0.75rem;
    height: 1px;
    background: var(--accent);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s var(--ease-out);
}

.header-nav .nav-link:hover,
.header-nav .nav-link.is-active {
    color: var(--text);
}

.header-nav .nav-link:hover::after,
.header-nav .nav-link.is-active::after {
    transform: scaleX(1);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.theme-toggle {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border: 1px solid var(--border);
    border-radius: 50%;
    background: var(--surface);
    color: var(--text-secondary);
    cursor: pointer;
    transition: border-color 0.3s, color 0.3s, transform 0.3s;
}

.theme-toggle:hover {
    border-color: var(--accent);
    color: var(--text);
    transform: rotate(15deg);
}

.theme-toggle .bi {
    position: absolute;
    transition: opacity 0.3s, transform 0.3s;
}

[data-theme="warm"] .theme-toggle .bi-sun-fill,
[data-theme="dark"] .theme-toggle .bi-moon-fill {
    opacity: 1;
    transform: scale(1);
}

[data-theme="warm"] .theme-toggle .bi-moon-fill,
[data-theme="dark"] .theme-toggle .bi-sun-fill {
    opacity: 0;
    transform: scale(0.5);
}

.menu-toggle {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 6px;
    width: 44px;
    height: 44px;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--surface);
    cursor: pointer;
}

.menu-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--text);
    transition: transform 0.3s var(--ease-out), opacity 0.3s;
}

.menu-open .menu-toggle span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.menu-open .menu-toggle span:nth-child(2) { opacity: 0; }
.menu-open .menu-toggle span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

/* -----------------------------------------------------------
   Full-screen mobile menu
   ----------------------------------------------------------- */
.menu-overlay {
    position: fixed;
    inset: 0;
    z-index: 800;
    display: grid;
    place-items: center;
    background: var(--menu-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.5s var(--ease-smooth), visibility 0.5s;
}

.menu-open .menu-overlay {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

.menu-nav {
    text-align: center;
    padding: 2rem;
}

.menu-link {
    display: block;
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 9vw, 5rem);
    line-height: 1.1;
    color: var(--text);
    padding: 0.35rem 0;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s, transform 0.5s, color 0.3s;
}

.menu-open .menu-link {
    opacity: 1;
    transform: translateY(0);
}

.menu-open .menu-link:nth-child(1) { transition-delay: 0.1s; }
.menu-open .menu-link:nth-child(2) { transition-delay: 0.18s; }
.menu-open .menu-link:nth-child(3) { transition-delay: 0.26s; }
.menu-open .menu-link:nth-child(4) { transition-delay: 0.34s; }
.menu-open .menu-link:nth-child(5) { transition-delay: 0.42s; }

.menu-link:hover {
    color: var(--accent);
}

.menu-overlay .social-links {
    margin-top: 2rem;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s 0.5s, transform 0.5s 0.5s;
}

.menu-open .menu-overlay .social-links {
    opacity: 1;
    transform: translateY(0);
}

/* -----------------------------------------------------------
   Hero
   ----------------------------------------------------------- */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: var(--header-height) 0 4rem;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
    pointer-events: none;
}

.hero-grid {
    position: absolute;
    inset: 0;
    background-image: radial-gradient(circle, var(--border) 1px, transparent 1px);
    background-size: clamp(28px, 4vw, 48px) clamp(28px, 4vw, 48px);
    opacity: 0.7;
    transform: perspective(800px) rotateX(30deg) translateY(calc(var(--scroll-y, 0) * 0.2px));
    transform-origin: center top;
}

.hero-shape {
    position: absolute;
    top: 18%;
    right: 12%;
    width: clamp(80px, 14vw, 200px);
    height: clamp(80px, 14vw, 200px);
    border: 2px solid var(--accent);
    opacity: 0.35;
    animation: heroShape 14s linear infinite;
}

@keyframes heroShape {
    from { transform: rotate(45deg); }
    to { transform: rotate(405deg); }
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero-label {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.25em;
    color: var(--muted);
    margin-bottom: 1.5rem;
}

.hero-title {
    font-family: var(--font-display);
    font-weight: 400;
    line-height: 0.95;
    letter-spacing: -0.04em;
    margin-bottom: 1.75rem;
    color: var(--text);
    transform: skewY(calc(var(--hero-skew, 0) * 1deg));
    transition: transform 0.1s linear;
}

.hero-title .line {
    display: block;
    font-size: clamp(4rem, 17vw, 12rem);
    opacity: 0;
    transform: translateY(40px);
    animation: lineUp 1s var(--ease-out) forwards;
}

.hero-title .line:nth-child(1) { animation-delay: 0.25s; }
.hero-title .line:nth-child(2) { animation-delay: 0.43s; }

@keyframes lineUp {
    to { opacity: 1; transform: translateY(0); }
}

.hero-lead {
    max-width: 42ch;
    margin: 0 auto 2.25rem;
    font-size: clamp(1.1rem, 2vw, 1.45rem);
    color: var(--text-secondary);
    line-height: 1.55;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.95rem 1.8rem;
    border-radius: 100px;
    font-family: var(--font-mono);
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    border: 1px solid transparent;
    transition: transform 0.3s var(--ease-out), background 0.3s, border-color 0.3s, color 0.3s, box-shadow 0.3s;
    cursor: pointer;
}

.btn-primary {
    background: var(--accent);
    color: var(--bg);
    border-color: var(--accent);
}

.btn-primary:hover {
    background: var(--accent-2);
    border-color: var(--accent-2);
    transform: translateY(-2px);
    box-shadow: 0 12px 28px var(--shadow);
}

.btn-ghost {
    background: transparent;
    color: var(--text);
    border-color: var(--border);
}

.btn-ghost:hover {
    border-color: var(--text);
    background: var(--surface);
    transform: translateY(-2px);
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    width: 26px;
    height: 40px;
    border: 2px solid var(--border);
    border-radius: 14px;
    display: grid;
    place-items: start center;
    padding: 4px;
    z-index: 1;
}

.scroll-indicator span {
    display: block;
    width: 4px;
    height: 8px;
    background: var(--accent);
    border-radius: 2px;
    animation: scrollDot 1.6s ease-in-out infinite;
}

@keyframes scrollDot {
    0%, 100% { opacity: 0; transform: translateY(0); }
    40% { opacity: 1; transform: translateY(4px); }
    80% { opacity: 0; transform: translateY(10px); }
}

/* -----------------------------------------------------------
   Sections
   ----------------------------------------------------------- */
.section {
    position: relative;
    padding: var(--section-gap) 0;
}

.section-alt {
    background: var(--surface);
}

.section-heading {
    position: sticky;
    top: calc(var(--header-height) + 2rem);
}

.section-eyebrow {
    display: block;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    color: var(--muted);
    margin-bottom: 0.75rem;
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    line-height: 1.05;
    letter-spacing: -0.03em;
    margin-bottom: 1.25rem;
    color: var(--text);
}

.section-intro {
    max-width: 46ch;
    color: var(--text-secondary);
    font-size: 1.05rem;
    line-height: 1.65;
}

/* -----------------------------------------------------------
   About
   ----------------------------------------------------------- */
.about-content {
    display: grid;
    gap: 2rem;
}

.about-portrait {
    margin-bottom: 0.5rem;
}

.portrait-frame {
    position: relative;
    display: inline-block;
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid var(--border);
    box-shadow: 0 28px 70px var(--shadow);
}

.portrait-frame img {
    width: 220px;
    height: 260px;
    object-fit: cover;
    filter: grayscale(20%);
    transition: filter 0.5s;
}

.portrait-frame:hover img {
    filter: grayscale(0%);
}

.portrait-frame::before {
    content: '';
    position: absolute;
    inset: 0;
    border: 1px solid var(--accent);
    transform: translate(14px, 14px);
    border-radius: 16px;
    z-index: -1;
    opacity: 0.55;
}

.about-text {
    font-size: clamp(1.05rem, 1.6vw, 1.25rem);
    line-height: 1.75;
    color: var(--text-secondary);
}

.about-text p + p {
    margin-top: 1.1rem;
}

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

.about-contact {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: 1rem;
}

.contact-row {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.65rem 1rem;
    border: 1px solid var(--border);
    border-radius: 100px;
    font-family: var(--font-mono);
    font-size: 0.82rem;
    color: var(--text-secondary);
    transition: border-color 0.3s, color 0.3s, background 0.3s;
}

.contact-row:hover {
    border-color: var(--accent);
    color: var(--text);
    background: var(--surface-2);
}

/* -----------------------------------------------------------
   Experience
   ----------------------------------------------------------- */
.experience-list {
    position: relative;
    padding-left: 2.25rem;
}

.experience-list::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.35rem;
    bottom: 0.35rem;
    width: 1px;
    background: repeating-linear-gradient(
        to bottom,
        var(--border) 0,
        var(--border) 8px,
        transparent 8px,
        transparent 16px
    );
}

.experience-item {
    position: relative;
    padding-bottom: 3rem;
}

.experience-item:last-child {
    padding-bottom: 0;
}

.experience-dot {
    position: absolute;
    left: calc(-2.25rem - 5px);
    top: 0.55rem;
    width: 11px;
    height: 11px;
    border: 2px solid var(--accent);
    border-radius: 50%;
    background: var(--surface);
    transform: scale(0);
    transition: transform 0.5s var(--ease-out);
}

.experience-item.reveal.is-visible .experience-dot {
    transform: scale(1);
}

.experience-meta {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--accent);
    margin-bottom: 0.35rem;
}

.experience-title {
    font-family: var(--font-display);
    font-size: clamp(1.4rem, 2.6vw, 2rem);
    letter-spacing: -0.02em;
    margin-bottom: 0.2rem;
    color: var(--text);
}

.experience-company {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--muted);
    margin-bottom: 0.7rem;
    border-bottom: 1px dashed currentColor;
    transition: color 0.3s, border-color 0.3s;
}

.experience-company:hover {
    color: var(--text);
    border-bottom-style: solid;
}

.experience-description {
    max-width: 68ch;
    color: var(--text-secondary);
    line-height: 1.65;
}

/* -----------------------------------------------------------
   Work / portfolio
   ----------------------------------------------------------- */
.work-heading {
    position: static;
    margin-bottom: 4rem;
}

.work-chapter {
    padding: 3.5rem 0;
    border-top: 1px solid var(--border);
}

.work-chapter:first-of-type {
    border-top: none;
}

.chapter-number {
    display: block;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--muted);
    margin-bottom: 0.6rem;
}

.chapter-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3rem);
    line-height: 1;
    margin-bottom: 0.9rem;
    color: var(--text);
}

.chapter-desc {
    max-width: 34ch;
    color: var(--text-secondary);
    margin-bottom: 1.25rem;
}

.chapter-permalink {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--accent);
    border-bottom: 1px solid transparent;
    transition: border-color 0.3s;
}

.chapter-permalink:hover {
    border-bottom-color: var(--accent);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(min(100%, 320px), 1fr));
    gap: 1.75rem;
}

.portfolio-item {
    position: relative;
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 14px;
    overflow: hidden;
    box-shadow: 0 12px 30px var(--shadow);
    transition: transform 0.5s var(--ease-out), box-shadow 0.5s, border-color 0.5s;
}

.portfolio-item:hover {
    transform: translateY(-8px) rotateX(2deg);
    box-shadow: 0 24px 50px var(--card-hover-shadow);
    border-color: var(--accent);
    z-index: 2;
}

.item-image {
    position: relative;
    aspect-ratio: 16 / 10;
    overflow: hidden;
    background: var(--surface-2);
}

.item-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.7s var(--ease-out), filter 0.5s;
}

.portfolio-item:hover .item-image img {
    transform: scale(1.06);
}

.item-year {
    position: absolute;
    top: 0.75rem;
    right: 0.75rem;
    padding: 0.35rem 0.65rem;
    background: rgba(0, 0, 0, 0.55);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    color: #fff;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    border-radius: 6px;
}

.item-content {
    padding: 1.25rem;
}

.item-title {
    font-family: var(--font-display);
    font-size: 1.35rem;
    line-height: 1.15;
    margin-bottom: 0.35rem;
    color: var(--text);
}

.item-company {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.78rem;
    letter-spacing: 0.04em;
    color: var(--muted);
    margin-bottom: 0.85rem;
    border-bottom: 1px solid transparent;
    transition: color 0.3s, border-color 0.3s;
}

.item-company:hover {
    color: var(--text);
    border-bottom-color: var(--accent);
}

.item-description {
    font-size: 0.96rem;
    line-height: 1.55;
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.item-technologies {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin-bottom: 1rem;
}

.tech-tag {
    display: inline-block;
    padding: 0.25rem 0.6rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 4px;
    font-family: var(--font-mono);
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-secondary);
    transition: background 0.3s, color 0.3s, border-color 0.3s;
}

.portfolio-item:hover .tech-tag {
    border-color: var(--accent);
    color: var(--text);
}

.item-links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.item-link {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--accent);
    border-bottom: 1px solid transparent;
    transition: border-color 0.3s;
}

.item-link:hover {
    border-bottom-color: var(--accent);
}

/* -----------------------------------------------------------
   Skills
   ----------------------------------------------------------- */
.skills-panel {
    padding: 2rem;
    border: 1px solid var(--border);
    border-radius: 18px;
    background: var(--bg);
    box-shadow: 0 18px 45px var(--shadow);
}

.skills-subtitle {
    font-family: var(--font-display);
    font-size: 1.25rem;
    margin-bottom: 1.25rem;
    color: var(--text);
}

.skill-row {
    display: grid;
    grid-template-columns: 110px 1fr 44px;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.1rem;
}

.skill-name {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.skill-track {
    height: 6px;
    background: var(--surface-2);
    border-radius: 3px;
    overflow: hidden;
}

.skill-fill {
    width: 0%;
    height: 100%;
    background: var(--accent);
    border-radius: 3px;
    transition: width 1.2s var(--ease-out);
}

.skill-row.reveal.is-visible .skill-fill {
    width: var(--width);
}

.skill-value {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--muted);
    text-align: right;
}

.skill-group {
    padding: 1.25rem;
    border: 1px dashed var(--border);
    border-radius: 12px;
}

.tag-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tag {
    display: inline-block;
    padding: 0.5rem 0.85rem;
    border: 1px solid var(--border);
    border-radius: 100px;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-secondary);
    transition: color 0.3s, border-color 0.3s, background 0.3s, transform 0.3s;
    cursor: default;
}

.tag:hover {
    border-color: var(--accent);
    color: var(--text);
    background: var(--surface);
    transform: translateY(-2px);
}

/* -----------------------------------------------------------
   Social links
   ----------------------------------------------------------- */
.social-links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    list-style: none;
    padding: 0;
    margin: 0;
}

.social-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    border: 1px solid var(--border);
    border-radius: 50%;
    color: var(--text-secondary);
    background: var(--surface);
    transition: border-color 0.3s, color 0.3s, background 0.3s, transform 0.3s;
}

.social-link:hover {
    border-color: var(--accent);
    color: var(--text);
    background: var(--surface-2);
    transform: translateY(-3px);
}

/* -----------------------------------------------------------
   Footer
   ----------------------------------------------------------- */
.site-footer {
    background: var(--surface);
    border-top: 1px solid var(--border);
    padding: calc(var(--section-gap) * 0.8) 0 2.5rem;
}

.footer-inner {
    display: grid;
    gap: 3rem;
}

.footer-cta {
    text-align: center;
}

.footer-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 7vw, 5rem);
    line-height: 1;
    letter-spacing: -0.03em;
    color: var(--text);
    margin-bottom: 1.25rem;
}

.footer-email {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--accent);
    border-bottom: 2px solid var(--accent);
    padding-bottom: 0.25rem;
    transition: color 0.3s, border-color 0.3s;
}

.footer-email:hover {
    color: var(--text);
    border-bottom-color: var(--text);
}

.footer-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border);
}

.footer-location {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--muted);
    margin: 0;
}

.footer-copy {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--muted);
    margin: 0;
}

/* -----------------------------------------------------------
   Reveal animations
   ----------------------------------------------------------- */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}

.reveal.is-visible {
    opacity: 1;
    transform: none;
}

.portfolio-item.reveal.is-visible:nth-child(1) { transition-delay: 0s; }
.portfolio-item.reveal.is-visible:nth-child(2) { transition-delay: 0.08s; }
.portfolio-item.reveal.is-visible:nth-child(3) { transition-delay: 0.16s; }
.portfolio-item.reveal.is-visible:nth-child(4) { transition-delay: 0.24s; }
.portfolio-item.reveal.is-visible:nth-child(5) { transition-delay: 0.32s; }
.portfolio-item.reveal.is-visible:nth-child(6) { transition-delay: 0.40s; }

/* -----------------------------------------------------------
   Responsive
   ----------------------------------------------------------- */
@media (max-width: 991.98px) {
    :root {
        --section-gap: 5rem;
        --header-height: 68px;
    }

    .section-heading {
        position: static;
        margin-bottom: 2rem;
    }

    .about-content {
        gap: 1.5rem;
    }

    .portrait-frame img {
        width: 180px;
        height: 220px;
    }

    .portfolio-grid {
        grid-template-columns: 1fr 1fr;
        gap: 1.25rem;
    }
}

@media (max-width: 767.98px) {
    .hero-title .line {
        font-size: clamp(3.2rem, 16vw, 5.5rem);
    }

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

    .skill-row {
        grid-template-columns: 80px 1fr 38px;
        gap: 0.6rem;
    }

    .footer-meta {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
}

@media (max-width: 575.98px) {
    .btn {
        padding: 0.85rem 1.4rem;
    }

    .skills-panel {
        padding: 1.25rem;
    }
}

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

    html {
        scroll-behavior: auto;
    }

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

    .skill-fill {
        width: var(--width);
    }
}