:root {
    color-scheme: light;
    --ink: #17211b;
    --muted: #5f6e66;
    --line: #dbe4de;
    --paper: #f7faf7;
    --panel: #ffffff;
    --gold: #d69a24;
    --shadow: 0 24px 70px rgba(23, 33, 27, 0.12);
    --shadow-soft: 0 14px 38px rgba(23, 33, 27, 0.08);
    --overlay: rgba(0,0,0,0.06);
    --footer-bg: #0f1a15;
    --footer-text: rgba(255,255,255,0.7);
    --scroll-top-color: #fff;
    --trans-dur: 0.25s;
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    transition: background var(--trans-dur) ease, color var(--trans-dur) ease;
}

/* ---- Color scheme: Green (default) ---- */
:root,
[data-color="green"] {
    --accent: #16705f;
    --accent-strong: #0f4f44;
    --soft: #eaf3ef;
    --meter-track: #d8e4dc;
    --service-bg: #eef5f1;
    --scroll-top-bg: var(--accent);
    --accent-rgb: 22, 112, 95;
    --skill-bar-bg: #d8e4dc;
}

[data-theme="dark"][data-color="green"],
[data-color="green"] [data-theme="dark"] {
    --accent: #2ec4a4;
    --accent-strong: #6de0c6;
    --soft: #1d2d24;
    --meter-track: #1d2d24;
    --service-bg: #0d1813;
    --scroll-top-color: #0f1a15;
    --accent-rgb: 46, 196, 164;
}

/* ---- Color scheme: Blue ---- */
[data-color="blue"] {
    --accent: #1a6bb0;
    --accent-strong: #0f4580;
    --soft: #e2edf8;
    --meter-track: #d0ddee;
    --service-bg: #e8f1fa;
    --scroll-top-bg: var(--accent);
    --accent-rgb: 26, 107, 176;
}

[data-theme="dark"][data-color="blue"] {
    --accent: #3b9bdf;
    --accent-strong: #7fc1ed;
    --soft: #192a3d;
    --meter-track: #192a3d;
    --service-bg: #0f1e2e;
    --scroll-top-color: #0f1a15;
    --accent-rgb: 59, 155, 223;
}

/* ---- Color scheme: Purple ---- */
[data-color="purple"] {
    --accent: #7c3aed;
    --accent-strong: #5b21b6;
    --soft: #f0eafb;
    --meter-track: #ddd3f0;
    --service-bg: #f4eefc;
    --scroll-top-bg: var(--accent);
    --accent-rgb: 124, 58, 237;
}

[data-theme="dark"][data-color="purple"] {
    --accent: #a37ff0;
    --accent-strong: #c7b1f7;
    --soft: #2a1f42;
    --meter-track: #2a1f42;
    --service-bg: #1a1230;
    --scroll-top-color: #0f1a15;
    --accent-rgb: 163, 127, 240;
}

/* ---- Color scheme: Orange ---- */
[data-color="orange"] {
    --accent: #d97706;
    --accent-strong: #a45300;
    --soft: #fef2e0;
    --meter-track: #f0e2cc;
    --service-bg: #fef6ea;
    --scroll-top-bg: var(--accent);
    --accent-rgb: 217, 119, 6;
}

[data-theme="dark"][data-color="orange"] {
    --accent: #f5a623;
    --accent-strong: #f9c96e;
    --soft: #3d2b12;
    --meter-track: #3d2b12;
    --service-bg: #2a1d0a;
    --scroll-top-color: #0f1a15;
    --accent-rgb: 245, 166, 35;
}

/* ---- Color scheme: Teal ---- */
[data-color="teal"] {
    --accent: #0d9488;
    --accent-strong: #0a6e65;
    --soft: #e0f5f2;
    --meter-track: #cce8e4;
    --service-bg: #e6f8f5;
    --scroll-top-bg: var(--accent);
    --accent-rgb: 13, 148, 136;
}

[data-theme="dark"][data-color="teal"] {
    --accent: #14b8a6;
    --accent-strong: #5fd4c4;
    --soft: #17302c;
    --meter-track: #17302c;
    --service-bg: #0e221f;
    --scroll-top-color: #0f1a15;
    --accent-rgb: 20, 184, 166;
}

/* ---- Color scheme: Rose ---- */
[data-color="rose"] {
    --accent: #d63d5a;
    --accent-strong: #a82e45;
    --soft: #fbe8ec;
    --meter-track: #f0d6dd;
    --service-bg: #fceef1;
    --scroll-top-bg: var(--accent);
    --accent-rgb: 214, 61, 90;
}

[data-theme="dark"][data-color="rose"] {
    --accent: #e45a77;
    --accent-strong: #ed8ba2;
    --soft: #3d1e27;
    --meter-track: #3d1e27;
    --service-bg: #2a121a;
    --scroll-top-color: #0f1a15;
    --accent-rgb: 228, 90, 119;
}

[data-theme="dark"] {
    color-scheme: dark;
    --ink: #e3eae5;
    --muted: #9aaba1;
    --line: #2a3a32;
    --paper: #0f1a15;
    --panel: #16221b;
    --accent: #2ec4a4;
    --accent-strong: #6de0c6;
    --gold: #f0c75e;
    --soft: #1d2d24;
    --shadow: 0 24px 70px rgba(0, 0, 0, 0.45);
    --shadow-soft: 0 14px 38px rgba(0, 0, 0, 0.3);
    --overlay: rgba(255,255,255,0.06);
    --footer-bg: #070d0a;
    --footer-text: rgba(255,255,255,0.6);
    --scroll-top-bg: var(--accent);
    --scroll-top-color: #0f1a15;
    --meter-track: #1d2d24;
    --service-bg: #0f1a15;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    background:
        radial-gradient(circle at 10% 0%, rgba(22, 112, 95, 0.1), transparent 32%),
        radial-gradient(circle at 88% 12%, rgba(214, 154, 36, 0.13), transparent 28%),
        var(--paper);
    color: var(--ink);
    margin: 0;
    transition: background var(--trans-dur) ease, color var(--trans-dur) ease;
}

[data-theme="dark"] body,
body.dark-theme {
    background:
        radial-gradient(circle at 10% 0%, rgba(46, 196, 164, 0.07), transparent 32%),
        radial-gradient(circle at 88% 12%, rgba(240, 199, 94, 0.09), transparent 28%),
        var(--paper);
}

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

.site-header {
    align-items: center;
    backdrop-filter: blur(16px);
    background: rgba(247, 250, 247, 0.88);
    border-bottom: 1px solid var(--line);
    display: flex;
    justify-content: space-between;
    left: 0;
    padding: 18px clamp(20px, 5vw, 72px);
    position: sticky;
    right: 0;
    top: 0;
    z-index: 10;
    transition: background var(--trans-dur) ease, border-color var(--trans-dur) ease;
}

[data-theme="dark"] .site-header {
    background: rgba(15, 26, 21, 0.92);
}

.site-header .brand {
    align-items: center;
    color: var(--accent-strong);
    display: inline-flex;
    gap: 10px;
    font-weight: 800;
    transition: color var(--trans-dur) ease;
}

.brand {
    align-items: center;
    color: var(--accent-strong);
    display: inline-flex;
    gap: 10px;
    font-weight: 800;
}

.brand img {
    border-radius: 8px;
    box-shadow: 0 8px 18px rgba(15, 79, 68, 0.18);
    height: 34px;
    width: 34px;
}

.menu-toggle {
    background: none;
    border: none;
    cursor: pointer;
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 6px;
}

.menu-toggle span {
    background: var(--accent-strong);
    border-radius: 2px;
    display: block;
    height: 2.5px;
    transition: transform 0.2s ease, opacity 0.2s ease;
    width: 24px;
}

.menu-toggle.active span:nth-child(1) {
    transform: translateY(7.5px) rotate(45deg);
}

.menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
    transform: translateY(-7.5px) rotate(-45deg);
}

.theme-toggle {
    background: var(--soft);
    border: 1px solid var(--line);
    border-radius: 999px;
    cursor: pointer;
    font-size: 1.1rem;
    line-height: 1;
    margin-left: 4px;
    min-height: 36px;
    padding: 6px 12px;
    transition: background var(--trans-dur) ease, border-color var(--trans-dur) ease;
}

.theme-toggle:hover {
    background: var(--line);
}

/* ---- Color picker ---- */
.color-switcher {
    margin-left: 4px;
    position: relative;
}

.color-toggle {
    background: var(--soft);
    border: 1px solid var(--line);
    border-radius: 999px;
    cursor: pointer;
    height: 36px;
    padding: 6px;
    transition: background var(--trans-dur) ease, border-color var(--trans-dur) ease;
    width: 36px;
}

.color-toggle:hover {
    background: var(--line);
}

.color-swatch-dot {
    background: var(--accent);
    border-radius: 999px;
    display: block;
    height: 100%;
    transition: background var(--trans-dur) ease;
    width: 100%;
}

.color-picker {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 12px;
    box-shadow: var(--shadow);
    opacity: 0;
    pointer-events: none;
    position: absolute;
    right: 0;
    top: calc(100% + 10px);
    transform: translateY(-6px);
    transition: opacity 0.2s ease, transform 0.2s ease;
    z-index: 20;
}

.color-picker.open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
}

.color-picker-inner {
    display: grid;
    gap: 6px;
    grid-template-columns: repeat(3, 1fr);
    padding: 12px;
}

.color-option {
    border: 2px solid transparent;
    border-radius: 999px;
    cursor: pointer;
    height: 32px;
    padding: 0;
    transition: transform 0.15s ease, border-color 0.15s ease;
    width: 32px;
}

.color-option:hover {
    transform: scale(1.2);
}

.color-option.active {
    border-color: var(--ink);
}

[data-theme="dark"] .color-option.active {
    border-color: var(--muted);
}

.color-option[data-color="green"] { background: #16705f; }
.color-option[data-color="blue"] { background: #1a6bb0; }
.color-option[data-color="purple"] { background: #7c3aed; }
.color-option[data-color="orange"] { background: #d97706; }
.color-option[data-color="teal"] { background: #0d9488; }
.color-option[data-color="rose"] { background: #d63d5a; }

[data-theme="dark"] .color-option[data-color="green"] { background: #2ec4a4; }
[data-theme="dark"] .color-option[data-color="blue"] { background: #3b9bdf; }
[data-theme="dark"] .color-option[data-color="purple"] { background: #a37ff0; }
[data-theme="dark"] .color-option[data-color="orange"] { background: #f5a623; }
[data-theme="dark"] .color-option[data-color="teal"] { background: #14b8a6; }
[data-theme="dark"] .color-option[data-color="rose"] { background: #e45a77; }

.site-header nav {
    align-items: center;
    display: flex;
    flex-wrap: wrap;
    gap: 18px;
    justify-content: flex-end;
}

.site-header nav a {
    color: var(--muted);
    font-size: 0.95rem;
    font-weight: 700;
}

.site-header nav a:hover,
.site-header nav a.active,
.site-header nav .admin-link {
    color: var(--accent-strong);
}

.site-header nav a {
    position: relative;
}

.site-header nav a::after {
    background: var(--gold);
    bottom: -7px;
    content: "";
    height: 2px;
    left: 0;
    position: absolute;
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 180ms ease;
    width: 100%;
}

.site-header nav a:hover::after {
    transform: scaleX(1);
}

main {
    overflow: hidden;
}

.hero {
    align-items: center;
    display: grid;
    gap: clamp(30px, 6vw, 80px);
    grid-template-columns: minmax(0, 1.45fr) minmax(280px, 0.55fr);
    min-height: 82vh;
    padding: clamp(52px, 8vw, 96px) clamp(20px, 5vw, 72px);
    position: relative;
}

.hero::before {
    background:
        linear-gradient(120deg, rgba(22, 112, 95, 0.16), transparent 48%),
        linear-gradient(300deg, rgba(214, 154, 36, 0.18), transparent 42%);
    content: "";
    inset: 64px 0 auto auto;
    height: 440px;
    pointer-events: none;
    position: absolute;
    width: 58vw;
    z-index: -1;
}

.hero::after {
    background-image:
        linear-gradient(rgba(15, 79, 68, 0.08) 1px, transparent 1px),
        linear-gradient(90deg, rgba(15, 79, 68, 0.08) 1px, transparent 1px);
    background-size: 42px 42px;
    content: "";
    inset: 0;
    mask-image: linear-gradient(90deg, transparent, #000 22%, #000 78%, transparent);
    opacity: 0.45;
    pointer-events: none;
    position: absolute;
    z-index: -2;
}

h1,
h2,
h3,
p {
    margin-top: 0;
}

h1 {
    color: var(--accent-strong);
    font-size: clamp(3rem, 8vw, 7.2rem);
    letter-spacing: 0;
    line-height: 0.92;
    margin-bottom: 20px;
    max-width: 900px;
    text-wrap: balance;
}

h2 {
    color: var(--accent-strong);
    font-size: clamp(2.2rem, 4vw, 4.2rem);
    letter-spacing: 0;
    line-height: 1.02;
    margin-bottom: 0;
    text-wrap: balance;
}

h3 {
    color: var(--ink);
    font-size: 1.22rem;
    line-height: 1.25;
}

.lead {
    color: var(--muted);
    font-size: clamp(1.05rem, 1.5vw, 1.2rem);
    font-weight: 450;
    line-height: 1.85;
    max-width: 760px;
}

.eyebrow {
    color: var(--gold);
    font-size: 0.82rem;
    font-weight: 900;
    letter-spacing: 0.1em;
    margin: 0 0 12px;
    text-transform: uppercase;
}

.role {
    color: var(--accent);
    font-size: clamp(1.05rem, 2vw, 1.35rem);
    font-weight: 800;
    margin-bottom: 18px;
}

.hero-actions,
.contact-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 28px;
}

.button {
    align-items: center;
    border: 1px solid transparent;
    border-radius: 8px;
    cursor: pointer;
    display: inline-flex;
    font-weight: 800;
    justify-content: center;
    min-height: 48px;
    padding: 12px 18px;
    transition: box-shadow 180ms ease, transform 180ms ease, background 180ms ease;
}

.button.primary {
    background: var(--accent);
    color: #fff;
}

.button.primary:hover {
    background: var(--accent-strong);
    box-shadow: 0 14px 28px rgba(15, 79, 68, 0.22);
    transform: translateY(-2px);
}

.button.secondary {
    background: var(--panel);
    border-color: var(--line);
    color: var(--accent-strong);
}

.button.secondary:hover {
    box-shadow: var(--shadow-soft);
    transform: translateY(-2px);
}

.hero-panel {
    background: rgba(255, 255, 255, 0.86);
    border: 1px solid var(--line);
    border-radius: 12px;
    box-shadow: var(--shadow);
    display: grid;
    gap: 10px;
    padding: 28px;
    position: relative;
    transform: rotate(-1deg);
    transform-style: preserve-3d;
    transition: background var(--trans-dur) ease, border-color var(--trans-dur) ease, transform 300ms ease;
}

.hero-panel:hover {
    transform: rotate(0deg) translateY(-4px);
}

[data-theme="dark"] .hero-panel {
    background: rgba(22, 34, 27, 0.92);
}

.hero-panel::before {
    border: 1px solid rgba(214, 154, 36, 0.4);
    border-radius: 12px;
    content: "";
    inset: 10px -10px -10px 10px;
    position: absolute;
    transform: translateZ(-1px);
}

.portrait-mark {
    align-items: center;
    aspect-ratio: 1;
    background:
        linear-gradient(135deg, rgba(22, 112, 95, 0.95), rgba(15, 79, 68, 0.96)),
        var(--accent-strong);
    border-radius: 8px;
    color: #fff;
    display: flex;
    font-size: 2.4rem;
    font-weight: 900;
    justify-content: center;
    letter-spacing: 0;
    margin-bottom: 12px;
    overflow: hidden;
    position: relative;
}

.portrait-mark::after {
    animation: shine 3.8s ease-in-out infinite;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.28), transparent);
    content: "";
    inset: 0;
    position: absolute;
    transform: translateX(-130%);
}

.portrait-img {
    aspect-ratio: 1;
    border-radius: 10px;
    box-shadow: 0 0 0 3px var(--panel), 0 0 0 5px var(--accent);
    display: block;
    margin-bottom: 16px;
    object-fit: cover;
    width: 100%;
}

.hero-panel span {
    color: var(--muted);
    font-size: 0.82rem;
    font-weight: 800;
    text-transform: uppercase;
}

.hero-panel strong {
    border-bottom: 1px solid var(--line);
    color: var(--accent-strong);
    line-height: 1.4;
    padding-bottom: 18px;
}

.hero-panel strong:last-child {
    border-bottom: 0;
    padding-bottom: 0;
}

.metrics {
    background: var(--accent-strong);
    color: #fff;
    display: grid;
    gap: 1px;
    grid-template-columns: repeat(3, 1fr);
}

.metrics div {
    background: rgba(255, 255, 255, 0.06);
    padding: 30px clamp(20px, 5vw, 72px);
    transition: background 180ms ease;
}

.metrics div:hover {
    background: rgba(255, 255, 255, 0.12);
}

.metrics strong {
    display: block;
    font-size: clamp(2rem, 4vw, 3.4rem);
    line-height: 1;
}

.metrics span {
    color: rgba(255, 255, 255, 0.76);
    font-weight: 700;
}

.section {
    padding: clamp(64px, 8vw, 108px) clamp(20px, 5vw, 72px);
}

.section-heading {
    margin-bottom: 34px;
    max-width: 860px;
}

.project-grid {
    display: grid;
    gap: 24px;
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.project-card,
.skill-group,
.profile-grid article {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 12px;
    box-shadow: var(--shadow-soft);
    transition: border-color 220ms ease, box-shadow 220ms ease, transform 220ms ease;
}

.project-card:hover,
.skill-group:hover,
.profile-grid article:hover {
    border-color: rgba(var(--accent-rgb), 0.4);
    box-shadow: 0 28px 70px rgba(23, 33, 27, 0.13);
    transform: translateY(-5px);
}

.project-card {
    display: flex;
    flex-direction: column;
    overflow: hidden;
    padding: 0 24px 24px;
    position: relative;
}

.project-card::before {
    background: linear-gradient(90deg, var(--accent), var(--gold));
    content: "";
    height: 4px;
    left: 0;
    position: absolute;
    right: 0;
    top: 0;
    z-index: 1;
}

/* Image zoom wrapper */
.project-image-wrap {
    margin: 0 -24px 22px;
    overflow: hidden;
    border-bottom: 1px solid var(--line);
}

.project-image {
    aspect-ratio: 16 / 9;
    background: var(--soft);
    display: block;
    object-fit: cover;
    transform: scale(1);
    transition: transform 400ms ease;
    width: 100%;
}

.project-card:hover .project-image {
    transform: scale(1.04);
}

.project-image-fallback {
    align-items: center;
    aspect-ratio: 16 / 9;
    background:
        linear-gradient(135deg, rgba(var(--accent-rgb), 0.88), rgba(214, 154, 36, 0.72));
    background-image:
        linear-gradient(135deg, rgba(var(--accent-rgb), 0.88), rgba(214, 154, 36, 0.72)),
        repeating-linear-gradient(
            45deg,
            transparent,
            transparent 10px,
            rgba(255,255,255,0.04) 10px,
            rgba(255,255,255,0.04) 20px
        );
    color: rgba(255,255,255,0.55);
    display: flex;
    font-size: 3rem;
    font-weight: 900;
    justify-content: center;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    width: 100%;
}

.project-meta {
    color: var(--accent);
    display: flex;
    flex-wrap: wrap;
    font-size: 0.82rem;
    font-weight: 900;
    gap: 10px;
    justify-content: space-between;
    margin-bottom: 18px;
    text-transform: uppercase;
}

.project-card p,
.profile-grid p {
    color: var(--muted);
    line-height: 1.65;
}

.impact {
    border-left: 3px solid var(--gold);
    margin-top: auto;
    padding-left: 14px;
}

.tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 18px;
}

.tags span {
    background: var(--soft);
    border-radius: 999px;
    color: var(--accent-strong);
    font-size: 0.82rem;
    font-weight: 800;
    padding: 7px 10px;
}

.project-links {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 18px;
}

.project-links a {
    border: 1px solid var(--line);
    border-radius: 8px;
    color: var(--accent-strong);
    font-size: 0.84rem;
    font-weight: 900;
    padding: 9px 12px;
    transition: background 180ms ease, border-color 180ms ease, transform 180ms ease;
}

.project-links a:hover {
    background: var(--soft);
    border-color: rgba(var(--accent-rgb), 0.38);
    transform: translateY(-2px);
}

.services-section {
    background: var(--service-bg);
}

.services-grid {
    display: grid;
    gap: 18px;
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.service-card {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 12px;
    box-shadow: var(--shadow-soft);
    padding: 28px 24px;
    position: relative;
    transition: border-color 180ms ease, box-shadow 180ms ease, transform 180ms ease;
}

.service-card:hover {
    border-color: rgba(var(--accent-rgb), 0.4);
    box-shadow: 0 28px 70px rgba(23, 33, 27, 0.13);
    transform: translateY(-5px);
}

.service-icon {
    background: var(--soft);
    border-radius: 10px;
    color: var(--accent);
    height: 48px;
    margin-bottom: 18px;
    padding: 10px;
    width: 48px;
}

.service-icon svg {
    height: 100%;
    width: 100%;
}

.service-card h3 {
    color: var(--accent-strong);
    font-size: 1.1rem;
    margin-bottom: 8px;
}

.service-card p {
    color: var(--muted);
    font-size: 0.92rem;
    line-height: 1.65;
    margin: 0;
}

.skill-section {
    background: #eef5f1;
}

[data-theme="dark"] .skill-section {
    background: #0d1813;
}

.skill-groups,
.profile-grid {
    display: grid;
    gap: 18px;
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.skill-group,
.profile-grid article {
    padding: 24px;
}

.skill {
    margin-top: 18px;
}

.skill div {
    display: flex;
    font-weight: 800;
    justify-content: space-between;
    margin-bottom: 8px;
}

.skill strong {
    color: var(--accent);
}

/* ---- Animated skill bar (replaces <meter>) ---- */
.skill-bar-track {
    background: var(--meter-track);
    border-radius: 999px;
    height: 8px;
    overflow: hidden;
    width: 100%;
}

.skill-bar-fill {
    background: linear-gradient(90deg, var(--accent), var(--gold));
    border-radius: 999px;
    height: 100%;
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 700ms cubic-bezier(0.4, 0, 0.2, 1);
    width: 100%;
}

.skill-group.is-visible .skill-bar-fill {
    transform: scaleX(var(--skill-pct));
}

meter {
    display: none;
}

.reveal {
    opacity: 0;
    transform: translateY(22px);
    transition: opacity 650ms ease, transform 650ms ease;
}

.reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.project-card.reveal:nth-child(2),
.skill-group.reveal:nth-child(2),
.profile-grid article.reveal:nth-child(2) {
    transition-delay: 90ms;
}

.project-card.reveal:nth-child(3),
.skill-group.reveal:nth-child(3),
.profile-grid article.reveal:nth-child(3) {
    transition-delay: 160ms;
}

.project-card.reveal:nth-child(4) {
    transition-delay: 90ms;
}

/* Staggered skill bar fills */
.skill-group .skill:nth-child(2) .skill-bar-fill { transition-delay: 80ms; }
.skill-group .skill:nth-child(3) .skill-bar-fill { transition-delay: 150ms; }
.skill-group .skill:nth-child(4) .skill-bar-fill { transition-delay: 220ms; }
.skill-group .skill:nth-child(5) .skill-bar-fill { transition-delay: 290ms; }
.skill-group .skill:nth-child(6) .skill-bar-fill { transition-delay: 360ms; }

@keyframes shine {
    0%,
    45% {
        transform: translateX(-130%);
    }

    75%,
    100% {
        transform: translateX(130%);
    }
}

.testimonials-section {
    background: var(--panel);
}

.testimonials-grid {
    display: grid;
    gap: 18px;
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.testimonial-card {
    background: var(--paper);
    border: 1px solid var(--line);
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    margin: 0;
    padding: 24px;
    position: relative;
    transition: border-color 180ms ease, box-shadow 180ms ease, transform 180ms ease;
}

.testimonial-card:hover {
    border-color: rgba(var(--accent-rgb), 0.32);
    box-shadow: var(--shadow-soft);
    transform: translateY(-4px);
}

.testimonial-card::before {
    color: var(--accent);
    content: "\201C";
    font-size: 3.6rem;
    font-weight: 900;
    line-height: 1;
    margin-bottom: -8px;
    opacity: 0.35;
}

.testimonial-card > p {
    color: var(--muted);
    flex: 1;
    font-style: italic;
    line-height: 1.7;
    margin: 10px 0 20px;
}

.testimonial-card footer {
    align-items: center;
    border-top: 1px solid var(--line);
    display: flex;
    gap: 12px;
    padding-top: 16px;
}

.testimonial-avatar {
    align-items: center;
    background: linear-gradient(135deg, var(--accent), var(--gold));
    border-radius: 999px;
    color: #fff;
    display: flex;
    flex-shrink: 0;
    font-size: 0.75rem;
    font-weight: 900;
    height: 40px;
    justify-content: center;
    width: 40px;
}

.testimonial-card footer div strong {
    color: var(--accent-strong);
    display: block;
    font-size: 0.9rem;
}

.testimonial-card footer div span {
    color: var(--muted);
    font-size: 0.8rem;
}

.contact-section {
    background: var(--panel);
    padding: clamp(54px, 8vw, 86px) clamp(20px, 5vw, 72px);
}

.contact-section .section-heading {
    margin-bottom: 40px;
}

.contact-availability {
    color: var(--muted);
    font-size: 1.1rem;
    margin-top: 12px;
}

.contact-grid {
    display: grid;
    gap: 36px;
    grid-template-columns: 1fr 1.6fr;
}

.contact-info-card {
    background: var(--paper);
    border: 1px solid var(--line);
    border-radius: 12px;
    padding: 28px;
}

.contact-info-item {
    align-items: flex-start;
    display: flex;
    gap: 14px;
    margin-bottom: 22px;
}

.contact-info-item:last-of-type {
    margin-bottom: 24px;
}

.contact-info-item svg {
    color: var(--accent);
    flex-shrink: 0;
    height: 22px;
    margin-top: 2px;
    width: 22px;
}

.contact-info-item div span {
    color: var(--muted);
    display: block;
    font-size: 0.8rem;
    font-weight: 800;
    margin-bottom: 2px;
    text-transform: uppercase;
}

.contact-info-item div strong {
    color: var(--accent-strong);
    font-size: 0.95rem;
    word-break: break-all;
}

.contact-info-social {
    display: flex;
    gap: 10px;
    padding-top: 20px;
}

.contact-info-social a {
    align-items: center;
    background: var(--soft);
    border-radius: 8px;
    color: var(--accent-strong);
    display: flex;
    height: 40px;
    justify-content: center;
    transition: background 180ms ease, color 180ms ease, transform 180ms ease;
    width: 40px;
}

.contact-info-social a:hover {
    background: var(--accent);
    color: #fff;
    transform: translateY(-3px);
}

.contact-info-social svg {
    height: 18px;
    width: 18px;
}

.contact-form-wrap {
    background: var(--paper);
    border: 1px solid var(--line);
    border-radius: 12px;
    padding: 28px;
}

.contact-form {
    display: grid;
    gap: 18px;
}

.contact-form label {
    display: grid;
    gap: 6px;
}

.contact-form label span {
    color: var(--accent-strong);
    font-size: 0.86rem;
    font-weight: 800;
}

.contact-form input,
.contact-form textarea {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 8px;
    color: var(--ink);
    font: inherit;
    min-height: 46px;
    padding: 12px 14px;
    transition: border-color 180ms ease;
    width: 100%;
}

.contact-form input:focus,
.contact-form textarea:focus {
    border-color: var(--accent);
    outline: none;
}

.contact-form textarea {
    line-height: 1.5;
    min-height: 120px;
    resize: vertical;
}

.form-row {
    display: grid;
    gap: 18px;
    grid-template-columns: 1fr 1fr;
}

.form-feedback {
    align-items: center;
    border-radius: 10px;
    display: flex;
    gap: 14px;
    margin-bottom: 20px;
    padding: 16px 20px;
}

.form-feedback.success {
    background: #ddf3e9;
    color: #116049;
}

.form-feedback.error {
    background: #ffe3df;
    color: #8a221a;
}

.form-feedback svg {
    flex-shrink: 0;
    height: 24px;
    width: 24px;
}

.form-feedback div strong {
    display: block;
    font-size: 0.95rem;
    margin-bottom: 2px;
}

.form-feedback div span {
    font-size: 0.88rem;
}

.contact-form .button {
    justify-self: start;
    margin-top: 4px;
}

.site-footer {
    background: var(--footer-bg);
    color: var(--footer-text);
    padding: 36px clamp(20px, 5vw, 72px);
    transition: background var(--trans-dur) ease;
}

.footer-inner {
    align-items: center;
    display: flex;
    gap: 24px;
    justify-content: space-between;
    margin: 0 auto;
    max-width: 1280px;
}

.footer-left {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.footer-inner span {
    font-size: 0.85rem;
}

.footer-tagline {
    color: rgba(255,255,255,0.38);
    font-size: 0.78rem;
    letter-spacing: 0.04em;
}

.footer-right {
    align-items: center;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.footer-social {
    display: flex;
    gap: 10px;
}

.footer-social a {
    align-items: center;
    background: rgba(255,255,255,0.07);
    border-radius: 8px;
    color: var(--footer-text);
    display: flex;
    height: 36px;
    justify-content: center;
    transition: background 180ms ease, color 180ms ease, transform 180ms ease;
    width: 36px;
}

.footer-social a:hover {
    background: var(--accent);
    color: #fff;
    transform: translateY(-3px);
}

.footer-social svg {
    height: 16px;
    width: 16px;
}

.footer-inner nav {
    display: flex;
    gap: 20px;
}

.footer-inner nav a {
    color: var(--footer-text);
    font-size: 0.85rem;
    font-weight: 700;
    transition: color 180ms ease;
}

.footer-inner nav a:hover {
    color: #fff;
}

.scroll-top {
    align-items: center;
    background: var(--scroll-top-bg);
    border: none;
    border-radius: 999px;
    bottom: 28px;
    box-shadow: 0 6px 20px rgba(0,0,0,0.2);
    color: var(--scroll-top-color);
    cursor: pointer;
    display: flex;
    font-size: 1.3rem;
    height: 46px;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    position: fixed;
    right: 28px;
    transform: translateY(16px);
    transition: opacity 0.3s ease, transform 0.3s ease, background var(--trans-dur) ease;
    width: 46px;
    z-index: 100;
}

.scroll-top.visible {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
}

.scroll-top:hover {
    background: var(--accent-strong);
    transform: translateY(-3px);
}

[data-theme="dark"] .scroll-top:hover {
    background: #4ed4b6;
}

/* Typing cursor */
.typing-cursor {
    animation: blink 0.7s step-end infinite;
    color: var(--gold);
    font-weight: 100;
    margin-left: 2px;
}

@keyframes blink {
    50% { opacity: 0; }
}

@media (max-width: 980px) {
    .hero,
    .skill-groups,
    .profile-grid {
        grid-template-columns: 1fr;
    }

    .hero {
        min-height: auto;
    }

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

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

@media (max-width: 820px) {
    .services-grid,
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 720px) {
    .site-header {
        align-items: center;
        flex-direction: row;
        gap: 10px;
        flex-wrap: wrap;
    }

    .menu-toggle {
        display: flex;
        order: 1;
    }

    .theme-toggle {
        order: 2;
    }

    .color-switcher {
        order: 2;
    }

    .site-header nav {
        display: none;
        flex-basis: 100%;
        flex-direction: column;
        gap: 0;
        order: 4;
        width: 100%;
    }

    .site-header nav.open {
        display: flex;
    }

    .site-header nav a {
        border-top: 1px solid var(--line);
        padding: 14px 0;
        width: 100%;
    }

    .site-header nav a::after {
        display: none;
    }

    .footer-inner {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }

    .footer-right {
        align-items: center;
    }

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

    .form-row {
        grid-template-columns: 1fr;
    }
}

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

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

    .skill-bar-fill {
        transform: scaleX(var(--skill-pct));
    }
}