/* ============================================
   JAMES KIRKHAM — PORTFOLIO
   Design System + Layout + Animations
   ============================================ */

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

/* ---------- CUSTOM PROPERTIES ---------- */
:root {
    /* Typography */
    --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --fs-xs: 0.75rem;
    --fs-sm: 0.875rem;
    --fs-base: 1rem;
    --fs-md: 1.125rem;
    --fs-lg: 1.25rem;
    --fs-xl: 1.5rem;
    --fs-2xl: 2rem;
    --fs-3xl: 2.5rem;
    --fs-4xl: 3.5rem;
    --fs-hero: clamp(2.5rem, 6vw, 5rem);

    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;
    --space-section: clamp(3rem, 6vw, 5rem);

    /* Layout */
    --max-width: 1200px;
    --nav-height: 72px;

    /* Radius */
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --radius-full: 9999px;

    /* Transitions */
    --ease: cubic-bezier(0.16, 1, 0.3, 1);
    --duration: 0.4s;
    --duration-fast: 0.2s;
    --duration-slow: 0.6s;
}

/* ---------- DARK THEME (default) ---------- */
[data-theme="dark"] {
    --bg: #0a0a0a;
    --bg-secondary: #111111;
    --bg-tertiary: #1a1a1a;
    --bg-card: #141414;
    --bg-card-hover: #1c1c1c;
    --surface: #1e1e1e;
    --border: #222222;
    --border-light: #2a2a2a;
    --text: #f0f0f0;
    --text-secondary: #a0a0a0;
    --text-muted: #666666;
    --accent: #3b82f6;
    --accent-hover: #60a5fa;
    --accent-glow: rgba(59, 130, 246, 0.15);
    --accent-glow-strong: rgba(59, 130, 246, 0.3);
    --shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 48px rgba(0, 0, 0, 0.5);
    --nav-bg: rgba(10, 10, 10, 0.85);
    --overlay: rgba(0, 0, 0, 0.6);
}

/* ---------- LIGHT THEME ---------- */
[data-theme="light"] {
    --bg: #fafafa;
    --bg-secondary: #f0f0f0;
    --bg-tertiary: #e8e8e8;
    --bg-card: #ffffff;
    --bg-card-hover: #f5f5f5;
    --surface: #ffffff;
    --border: #e0e0e0;
    --border-light: #eeeeee;
    --text: #1a1a1a;
    --text-secondary: #555555;
    --text-muted: #999999;
    --accent: #2563eb;
    --accent-hover: #1d4ed8;
    --accent-glow: rgba(37, 99, 235, 0.1);
    --accent-glow-strong: rgba(37, 99, 235, 0.2);
    --shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 48px rgba(0, 0, 0, 0.12);
    --nav-bg: rgba(250, 250, 250, 0.85);
    --overlay: rgba(255, 255, 255, 0.6);
}

/* ---------- BASE ---------- */
html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--nav-height);
}

body {
    font-family: var(--font);
    font-size: var(--fs-base);
    line-height: 1.6;
    color: var(--text);
    background-color: var(--bg);
    transition: background-color var(--duration) var(--ease),
                color var(--duration) var(--ease);
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

a {
    color: var(--accent);
    text-decoration: none;
    transition: color var(--duration-fast) var(--ease);
}

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

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

.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-xl);
}

.section {
    padding: var(--space-section) 0;
}

.section__title {
    font-size: var(--fs-3xl);
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: var(--space-md);
    text-align: center;
}

.section__subtitle {
    font-size: var(--fs-md);
    color: var(--text-secondary);
    text-align: center;
    max-width: 600px;
    margin: 0 auto var(--space-3xl);
}

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

/* ---------- BUTTONS ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: 0.8rem 1.8rem;
    font-family: var(--font);
    font-size: var(--fs-sm);
    font-weight: 600;
    letter-spacing: 0.02em;
    border-radius: var(--radius-full);
    border: none;
    cursor: pointer;
    transition: all var(--duration-fast) var(--ease);
    text-decoration: none;
}

.btn--primary {
    background: var(--accent);
    color: #ffffff;
}

.btn--primary:hover {
    background: var(--accent-hover);
    color: #ffffff;
    transform: translateY(-2px);
    box-shadow: 0 4px 20px var(--accent-glow-strong);
}

.btn--outline {
    background: transparent;
    color: var(--text);
    border: 1.5px solid var(--border-light);
}

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

.btn--full {
    width: 100%;
}

/* ---------- NAVIGATION ---------- */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--nav-height);
    background: var(--nav-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    z-index: 1000;
    transition: background-color var(--duration) var(--ease),
                border-color var(--duration) var(--ease);
}

.nav__container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-xl);
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav__logo {
    font-size: var(--fs-xl);
    font-weight: 700;
    color: var(--text);
    text-decoration: none;
    letter-spacing: -0.02em;
}

.nav__logo:hover {
    color: var(--text);
}

.nav__links {
    display: flex;
    list-style: none;
    gap: var(--space-xl);
}

.nav__link {
    font-size: var(--fs-sm);
    font-weight: 500;
    color: var(--text-secondary);
    text-decoration: none;
    position: relative;
    padding: var(--space-xs) 0;
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent);
    border-radius: var(--radius-full);
    transition: width var(--duration-fast) var(--ease);
}

.nav__link:hover {
    color: var(--text);
}

.nav__link:hover::after {
    width: 100%;
}

.nav__actions {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

/* Theme Toggle */
.theme-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border: 1.5px solid var(--border-light);
    border-radius: var(--radius-full);
    background: transparent;
    cursor: pointer;
    color: var(--text-secondary);
    transition: all var(--duration-fast) var(--ease);
}

.theme-toggle:hover {
    color: var(--accent);
    border-color: var(--accent);
}

.theme-toggle__icon {
    width: 18px;
    height: 18px;
}

[data-theme="dark"] .theme-toggle__icon--sun { display: block; }
[data-theme="dark"] .theme-toggle__icon--moon { display: none; }
[data-theme="light"] .theme-toggle__icon--sun { display: none; }
[data-theme="light"] .theme-toggle__icon--moon { display: block; }

/* Hamburger */
.nav__hamburger {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 40px;
    height: 40px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.nav__hamburger span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--text);
    border-radius: var(--radius-full);
    transition: all var(--duration-fast) var(--ease);
    transform-origin: center;
}

.nav__hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

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

.nav__hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ---------- HERO ---------- */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    padding-top: var(--nav-height);
}

.hero__bg {
    position: absolute;
    inset: 0;
    overflow: hidden;
    z-index: 0;
}

.hero__orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.4;
    animation: float 20s ease-in-out infinite;
}

.hero__orb--1 {
    width: 400px;
    height: 400px;
    background: var(--accent);
    top: -100px;
    right: -100px;
    animation-delay: 0s;
}

.hero__orb--2 {
    width: 300px;
    height: 300px;
    background: #8b5cf6;
    bottom: -50px;
    left: -50px;
    animation-delay: -7s;
}

.hero__orb--3 {
    width: 200px;
    height: 200px;
    background: #06b6d4;
    top: 50%;
    left: 50%;
    animation-delay: -14s;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(30px, -30px) scale(1.05); }
    50% { transform: translate(-20px, 20px) scale(0.95); }
    75% { transform: translate(20px, 10px) scale(1.02); }
}

.hero__content {
    position: relative;
    z-index: 1;
    text-align: center;
}

.hero__greeting {
    font-size: var(--fs-lg);
    color: var(--accent);
    font-weight: 500;
    margin-bottom: var(--space-sm);
}

.hero__name {
    font-size: var(--fs-hero);
    font-weight: 700;
    letter-spacing: -0.03em;
    line-height: 1.1;
    margin-bottom: var(--space-md);
}

.hero__title {
    font-size: var(--fs-xl);
    color: var(--text-secondary);
    font-weight: 400;
    margin-bottom: var(--space-lg);
}

.hero__tagline {
    font-size: var(--fs-md);
    color: var(--text-secondary);
    max-width: 540px;
    margin: 0 auto var(--space-2xl);
    line-height: 1.7;
}

.hero__cta {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    flex-wrap: wrap;
}

.hero__scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    color: var(--text-muted);
    font-size: var(--fs-xs);
    letter-spacing: 0.15em;
    text-transform: uppercase;
}

.hero__scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, var(--accent), transparent);
    animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
    0%, 100% { opacity: 1; transform: scaleY(1); }
    50% { opacity: 0.3; transform: scaleY(0.6); }
}

/* ---------- ABOUT ---------- */
.about__grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--space-4xl);
    align-items: center;
    margin-top: var(--space-3xl);
}

.about__photo-frame {
    width: 280px;
    height: 340px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 2px solid var(--border);
    background: var(--bg-secondary);
    margin: 0 auto;
    transition: border-color var(--duration) var(--ease);
}

.about__photo-frame:hover {
    border-color: var(--accent);
}

.about__photo {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center 45%;
}

.about__photo-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    color: var(--text-muted);
}

.about__photo-placeholder svg {
    width: 48px;
    height: 48px;
}

.about__photo-placeholder span {
    font-size: var(--fs-sm);
}

.about__text p {
    color: var(--text-secondary);
    margin-bottom: var(--space-lg);
    line-height: 1.8;
}

.about__stats {
    display: flex;
    gap: var(--space-2xl);
    margin-top: var(--space-xl);
}

.about__stat {
    display: flex;
    flex-direction: column;
}

.about__stat-number {
    font-size: var(--fs-3xl);
    font-weight: 700;
    color: var(--accent);
    line-height: 1;
}

.about__stat-label {
    font-size: var(--fs-sm);
    color: var(--text-muted);
    margin-top: var(--space-xs);
}

/* ---------- SKILLS ---------- */
.skills__categories {
    display: flex;
    flex-direction: column;
    gap: var(--space-3xl);
    margin-top: var(--space-3xl);
}

.skills__category-title {
    font-size: var(--fs-lg);
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: var(--space-lg);
    text-align: center;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-size: var(--fs-sm);
}

.skills__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: var(--space-md);
    max-width: 700px;
    margin: 0 auto;
}

.skill-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-xl) var(--space-md);
    border-radius: var(--radius-md);
    background: var(--bg-card);
    border: 1px solid var(--border);
    transition: all var(--duration-fast) var(--ease);
    cursor: default;
}

.skill-card:hover {
    border-color: var(--accent);
    background: var(--bg-card-hover);
    transform: translateY(-4px);
    box-shadow: 0 8px 24px var(--accent-glow);
}

.skill-card__icon {
    width: 32px;
    height: 32px;
    color: var(--text);
    transition: color var(--duration-fast) var(--ease);
}

.skill-card:hover .skill-card__icon {
    color: var(--accent);
}

.skill-card__name {
    font-size: var(--fs-sm);
    font-weight: 500;
    color: var(--text-secondary);
}

/* ---------- PROJECTS ---------- */
.projects__group {
    margin-bottom: var(--space-4xl);
}

.projects__group:last-child {
    margin-bottom: 0;
}

.projects__group-title {
    font-size: var(--fs-lg);
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: var(--space-2xl);
    text-align: center;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-size: var(--fs-sm);
}

/* ---------- MOBILE APPS GRID ---------- */
.projects__grid--apps {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: var(--space-2xl);
}

.projects__grid--web {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-2xl);
}

/* Project Card */
.project-card {
    text-align: center;
    display: flex;
    flex-direction: column;
}

.project-card__info {
    margin-top: var(--space-lg);
    display: flex;
    flex-direction: column;
    flex: 1;
}

.project-card__name {
    font-size: var(--fs-lg);
    font-weight: 600;
    margin-bottom: var(--space-sm);
}

.project-card__desc {
    font-size: var(--fs-sm);
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--space-md);
}

.project-card__tags {
    display: flex;
    gap: var(--space-sm);
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: var(--space-md);
}

.tag {
    font-size: var(--fs-xs);
    font-weight: 600;
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-full);
    letter-spacing: 0.02em;
}

.tag--flutter { background: #02569B20; color: #0288D1; }
.tag--dart { background: #00B4AB20; color: #00B4AB; }
.tag--react-native { background: #61DAFB20; color: #61DAFB; }
.tag--js { background: #F7DF1E20; color: #F0DB4F; }
.tag--swift { background: #FA734320; color: #FA7343; }
.tag--ios { background: #14141420; color: var(--text-secondary); border: 1px solid var(--border); }
.tag--web { background: var(--accent-glow); color: var(--accent); }
.tag--csharp { background: #68217A20; color: #9B4DCA; }
.tag--azure { background: #0078D420; color: #0078D4; }
.tag--supabase { background: #3ECF8E20; color: #3ECF8E; }

[data-theme="light"] .tag--flutter { background: #02569B15; }
[data-theme="light"] .tag--react-native { background: #61DAFB15; color: #0991B3; }
[data-theme="light"] .tag--js { background: #F7DF1E15; color: #B8A90D; }
[data-theme="light"] .tag--csharp { background: #68217A15; color: #68217A; }
[data-theme="light"] .tag--supabase { background: #3ECF8E15; color: #1A9D5C; }

.project-card__links {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    margin-bottom: var(--space-md);
}

.project-card__link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: var(--radius-full);
    border: 1px solid var(--border);
    color: var(--text-secondary);
    transition: all var(--duration-fast) var(--ease);
}

.project-card__link svg {
    width: 16px;
    height: 16px;
}

.project-card__link:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: var(--accent-glow);
}

.project-card__link--disabled {
    opacity: 0.4;
    pointer-events: none;
}

/* ---------- PHONE MOCKUP (devices.css overrides) ---------- */
.phone-mockup {
    display: flex;
    justify-content: center;
    align-items: flex-start;
    height: 430px;
    overflow: hidden;
}

.phone-mockup .device {
    transform: scale(0.55);
    transform-origin: top center;
    flex-shrink: 0;
    transition: filter var(--duration) var(--ease);
}

.project-card:hover .device {
    filter: drop-shadow(0 8px 30px var(--accent-glow));
}

.phone-mockup .device-screen {
    object-fit: cover;
}

.phone-mockup__placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    color: var(--text-muted);
    width: 100%;
    height: 100%;
    background: var(--bg-secondary);
}

.phone-mockup__placeholder svg {
    width: 32px;
    height: 32px;
}

.phone-mockup__placeholder span {
    font-size: var(--fs-xs);
}

/* ---------- BROWSER MOCKUP ---------- */
.browser-mockup {
    border-radius: var(--radius-lg);
    border: 2px solid var(--border);
    overflow: hidden;
    background: var(--bg-card);
    transition: all var(--duration) var(--ease);
}

.project-card--web:hover .browser-mockup {
    border-color: var(--accent);
    box-shadow: 0 8px 40px var(--accent-glow);
}

.browser-mockup__toolbar {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: 10px 16px;
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border);
}

.browser-mockup__dots {
    display: flex;
    gap: 6px;
}

.browser-mockup__dots span {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.browser-mockup__dots span:nth-child(1) { background: #ff5f57; }
.browser-mockup__dots span:nth-child(2) { background: #febc2e; }
.browser-mockup__dots span:nth-child(3) { background: #28c840; }

.browser-mockup__url {
    flex: 1;
    background: var(--bg-secondary);
    border-radius: var(--radius-sm);
    padding: 4px 12px;
    font-size: var(--fs-xs);
    color: var(--text-muted);
}

.browser-mockup__viewport {
    position: relative;
    width: 100%;
    height: 280px;
    overflow: hidden;
    background: var(--bg-secondary);
}

.browser-mockup__viewport iframe {
    width: 200%;
    height: 200%;
    border: none;
    transform: scale(0.5);
    transform-origin: top left;
    pointer-events: none;
}

.browser-mockup__fallback {
    position: absolute;
    inset: 0;
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    color: var(--text-muted);
    background: var(--bg-secondary);
}

.browser-mockup__fallback svg {
    width: 40px;
    height: 40px;
}

.browser-mockup__fallback span {
    font-size: var(--fs-sm);
}

.browser-mockup__fallback--visible {
    display: flex;
}

/* ---------- EXPERIENCE / TIMELINE ---------- */
.timeline {
    position: relative;
    max-width: 700px;
    margin: var(--space-3xl) auto 0;
    padding-left: 40px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 15px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--border);
}

.timeline__item {
    position: relative;
    margin-bottom: var(--space-3xl);
}

.timeline__item:last-child {
    margin-bottom: 0;
}

.timeline__dot {
    position: absolute;
    left: -33px;
    top: 6px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--accent);
    border: 3px solid var(--bg);
    z-index: 1;
    transition: background-color var(--duration) var(--ease),
                border-color var(--duration) var(--ease);
}

.timeline__content {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: var(--space-xl);
    transition: all var(--duration-fast) var(--ease);
}

.timeline__content:hover {
    border-color: var(--accent);
    box-shadow: 0 4px 20px var(--accent-glow);
}

.timeline__date {
    font-size: var(--fs-xs);
    font-weight: 600;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.timeline__title {
    font-size: var(--fs-lg);
    font-weight: 600;
    margin-top: var(--space-xs);
}

.timeline__company {
    font-size: var(--fs-sm);
    color: var(--text-secondary);
    margin-top: var(--space-xs);
}

.timeline__desc {
    font-size: var(--fs-sm);
    color: var(--text-muted);
    margin-top: var(--space-sm);
    line-height: 1.6;
}

.timeline__highlights {
    list-style: none;
    margin-top: var(--space-md);
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.timeline__highlights li {
    font-size: var(--fs-sm);
    color: var(--text-muted);
    line-height: 1.6;
    padding-left: var(--space-md);
    position: relative;
}

.timeline__highlights li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.6em;
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: var(--accent);
}

.timeline__highlights li strong {
    color: var(--text);
}

/* ---------- TESTIMONIALS ---------- */
.testimonials__slider {
    display: flex;
    gap: var(--space-xl);
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    scroll-behavior: smooth;
    -ms-overflow-style: none;
    scrollbar-width: none;
    margin-top: var(--space-3xl);
    padding-bottom: var(--space-md);
}

.testimonials__slider::-webkit-scrollbar {
    display: none;
}

.testimonial-card {
    min-width: 100%;
    scroll-snap-align: center;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: var(--space-2xl);
    transition: border-color var(--duration) var(--ease);
}

.testimonial-card__icon {
    width: 32px;
    height: 32px;
    color: var(--accent);
    opacity: 0.5;
    margin-bottom: var(--space-md);
}

.testimonial-card__quote p {
    font-size: var(--fs-md);
    color: var(--text-secondary);
    line-height: 1.8;
    font-style: italic;
}

.testimonial-card__author {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-top: var(--space-xl);
}

.testimonial-card__avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--bg-tertiary);
    border: 2px solid var(--border);
    flex-shrink: 0;
}

.testimonial-card__name {
    font-weight: 600;
    font-size: var(--fs-sm);
}

.testimonial-card__role {
    font-size: var(--fs-xs);
    color: var(--text-muted);
}

.testimonials__nav {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-lg);
    margin-top: var(--space-xl);
}

.testimonials__btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 1px solid var(--border);
    background: transparent;
    cursor: pointer;
    color: var(--text-secondary);
    transition: all var(--duration-fast) var(--ease);
}

.testimonials__btn:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.testimonials__btn svg {
    width: 18px;
    height: 18px;
}

.testimonials__dots {
    display: flex;
    gap: var(--space-sm);
}

.testimonials__dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--border);
    border: none;
    cursor: pointer;
    transition: all var(--duration-fast) var(--ease);
    padding: 0;
}

.testimonials__dot.active {
    background: var(--accent);
    width: 24px;
    border-radius: var(--radius-full);
}

/* ---------- BLOG ---------- */
.blog__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
}

.blog-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: all var(--duration-fast) var(--ease);
}

.blog-card:hover {
    border-color: var(--accent);
    transform: translateY(-4px);
    box-shadow: 0 8px 24px var(--accent-glow);
}

.blog-card__image {
    height: 180px;
    background: var(--bg-secondary);
}

.blog-card__placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
}

.blog-card__placeholder svg {
    width: 32px;
    height: 32px;
}

.blog-card__content {
    padding: var(--space-xl);
}

.blog-card__date {
    font-size: var(--fs-xs);
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.blog-card__title {
    font-size: var(--fs-md);
    font-weight: 600;
    margin-top: var(--space-sm);
    margin-bottom: var(--space-sm);
}

.blog-card__excerpt {
    font-size: var(--fs-sm);
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--space-md);
}

.blog-card__link {
    font-size: var(--fs-sm);
    font-weight: 600;
    color: var(--accent);
}

.blog-card__link:hover {
    color: var(--accent-hover);
}

/* ---------- CONTACT ---------- */
.contact__grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: var(--space-4xl);
    margin-top: var(--space-3xl);
}

.form-group {
    margin-bottom: var(--space-lg);
}

.form-label {
    display: block;
    font-size: var(--fs-sm);
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: var(--space-sm);
}

.form-input {
    width: 100%;
    padding: 0.8rem 1rem;
    font-family: var(--font);
    font-size: var(--fs-base);
    color: var(--text);
    background: var(--bg-secondary);
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    transition: all var(--duration-fast) var(--ease);
    outline: none;
}

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

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

.contact__info {
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
    justify-content: center;
}

.contact__info-item {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    padding: var(--space-lg);
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    transition: all var(--duration-fast) var(--ease);
}

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

.contact__info-item svg {
    width: 24px;
    height: 24px;
    color: var(--accent);
    flex-shrink: 0;
}

.contact__info-label {
    font-size: var(--fs-xs);
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.contact__info-value {
    font-size: var(--fs-sm);
    font-weight: 500;
    color: var(--text);
    text-decoration: none;
}

.contact__info-value:hover {
    color: var(--accent);
}

/* ---------- FOOTER ---------- */
.footer {
    border-top: 1px solid var(--border);
    padding-top: var(--space-3xl);
    transition: border-color var(--duration) var(--ease);
}

.footer__container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-bottom: var(--space-2xl);
}

.footer__logo {
    font-size: var(--fs-xl);
    font-weight: 700;
    color: var(--text);
    text-decoration: none;
}

.footer__credit {
    font-size: var(--fs-sm);
    color: var(--text-muted);
    margin-top: var(--space-xs);
}

.footer__links {
    display: flex;
    list-style: none;
    gap: var(--space-xl);
}

.footer__links a {
    font-size: var(--fs-sm);
    color: var(--text-secondary);
    text-decoration: none;
}

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

.footer__socials {
    display: flex;
    gap: var(--space-md);
}

.footer__socials a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: var(--radius-full);
    border: 1px solid var(--border);
    color: var(--text-secondary);
    transition: all var(--duration-fast) var(--ease);
}

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

.footer__socials svg {
    width: 16px;
    height: 16px;
}

.footer__bottom {
    border-top: 1px solid var(--border);
    padding: var(--space-lg) 0;
    text-align: center;
}

.footer__bottom p {
    font-size: var(--fs-xs);
    color: var(--text-muted);
}

/* ---------- SCROLL REVEAL ANIMATIONS ---------- */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity var(--duration-slow) var(--ease),
                transform var(--duration-slow) var(--ease);
}

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

/* Stagger children */
.reveal:nth-child(2) { transition-delay: 0.1s; }
.reveal:nth-child(3) { transition-delay: 0.2s; }
.reveal:nth-child(4) { transition-delay: 0.3s; }

/* ---------- 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;
    }
}

/* ---------- RESPONSIVE: TABLET ---------- */
@media (max-width: 1024px) {
    .about__grid {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
        text-align: center;
    }

    .about__stats {
        justify-content: center;
    }

    .contact__grid {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }

    .footer__container {
        flex-direction: column;
        gap: var(--space-lg);
        text-align: center;
    }
}

/* ---------- RESPONSIVE: MOBILE ---------- */
@media (max-width: 768px) {
    .nav__links {
        display: none;
        position: fixed;
        top: var(--nav-height);
        left: 0;
        right: 0;
        bottom: 0;
        background: var(--bg);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: var(--space-2xl);
        z-index: 999;
    }

    .nav__links.open {
        display: flex;
    }

    .nav__link {
        font-size: var(--fs-xl);
    }

    .nav__hamburger {
        display: flex;
    }

    .hero__name {
        font-size: clamp(2rem, 8vw, 3.5rem);
    }

    .projects__grid--web {
        grid-template-columns: 1fr;
    }

    .phone-mockup {
        height: 350px;
    }

    .phone-mockup .device {
        transform: scale(0.45);
    }

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

    .testimonial-card {
        padding: var(--space-xl);
    }

    .section__title {
        font-size: var(--fs-2xl);
    }

    .footer__links {
        flex-direction: column;
        gap: var(--space-sm);
    }
}

@media (max-width: 480px) {
    .about__stats {
        flex-direction: column;
        align-items: center;
        gap: var(--space-lg);
    }

    .hero__cta {
        flex-direction: column;
        align-items: center;
    }

    .hero__stats {
        flex-direction: column;
        gap: var(--space-md);
    }

    .phone-mockup {
        height: 380px;
    }

    .phone-mockup .device {
        transform: scale(0.48);
    }

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

    .modal__phone-row {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* ---------- HERO STATS ---------- */
.hero__stats {
    display: flex;
    gap: var(--space-2xl);
    justify-content: center;
    margin-bottom: var(--space-2xl);
    flex-wrap: wrap;
}

.hero__stat {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.hero__stat-number {
    font-size: var(--fs-2xl);
    font-weight: 700;
    color: var(--accent);
    line-height: 1;
}

.hero__stat-label {
    font-size: var(--fs-xs);
    color: var(--text-muted);
    margin-top: var(--space-xs);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}


/* ---------- PROJECT EXPAND BUTTON ---------- */
.project-card__expand {
    display: inline-block;
    margin-top: auto;
    padding-top: var(--space-sm);
    padding: 0.4rem 1rem;
    font-family: var(--font);
    font-size: var(--fs-xs);
    font-weight: 600;
    color: var(--accent);
    background: var(--accent-glow);
    border: 1px solid transparent;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--duration-fast) var(--ease);
}

.project-card__expand:hover {
    background: var(--accent);
    color: #fff;
}

/* Clickable project card */
.project-card[data-project] {
    cursor: pointer;
}

/* ---------- PROJECT DETAIL MODAL ---------- */
.modal {
    position: fixed;
    inset: 0;
    z-index: 2000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: var(--space-xl);
}

.modal.open {
    display: flex;
}

.modal__backdrop {
    position: absolute;
    inset: 0;
    background: var(--overlay);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    animation: fadeIn 0.3s var(--ease);
}

.modal__container {
    position: relative;
    width: 100%;
    max-width: 900px;
    max-height: 85vh;
    overflow-y: auto;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: var(--space-3xl);
    box-shadow: var(--shadow-lg);
    animation: slideUp 0.4s var(--ease);
    z-index: 1;
}

.modal__close {
    position: absolute;
    top: var(--space-lg);
    right: var(--space-lg);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
    border: 1px solid var(--border);
    background: var(--bg-secondary);
    cursor: pointer;
    color: var(--text-secondary);
    transition: all var(--duration-fast) var(--ease);
    z-index: 2;
}

.modal__close:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.modal__close svg {
    width: 18px;
    height: 18px;
}

.modal__body {
    display: grid;
    grid-template-columns: 340px 1fr;
    gap: var(--space-2xl);
    align-items: start;
}

.modal__screenshots {
    width: 100%;
    min-width: 0;
}

.modal__phone-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 6px;
}

.modal__phone-row > div {
    overflow: hidden;
    border-radius: var(--radius-sm);
}

.modal__phone-row img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: var(--radius-sm);
}

.modal__details {
    flex: 1;
}

.modal__title {
    font-size: var(--fs-2xl);
    font-weight: 700;
    letter-spacing: -0.02em;
}

.modal__role {
    font-size: var(--fs-sm);
    color: var(--accent);
    font-weight: 600;
    margin-top: var(--space-xs);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.modal__desc {
    font-size: var(--fs-base);
    color: var(--text-secondary);
    line-height: 1.7;
    margin-top: var(--space-lg);
}

.modal__tags {
    display: flex;
    gap: var(--space-sm);
    flex-wrap: wrap;
    margin-top: var(--space-lg);
}

.modal__socials {
    display: flex;
    gap: var(--space-xl);
    margin-top: var(--space-xl);
    flex-wrap: wrap;
}

.modal__social-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 0.5rem 1rem;
    background: var(--bg-secondary);
    border-radius: var(--radius-full);
    border: 1px solid var(--border);
}

.modal__social-item svg {
    width: 18px;
    height: 18px;
    color: var(--text-muted);
}

.modal__social-item span {
    font-size: var(--fs-sm);
    font-weight: 600;
    color: var(--text);
}

.modal__social-item small {
    font-size: var(--fs-xs);
    color: var(--text-muted);
    margin-left: 2px;
}

.modal__highlights {
    margin-top: var(--space-xl);
}

.modal__highlight {
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
    margin-bottom: var(--space-sm);
    font-size: var(--fs-sm);
    color: var(--text-secondary);
    line-height: 1.5;
}

.modal__highlight::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent);
    flex-shrink: 0;
    margin-top: 6px;
}

.modal__actions {
    display: flex;
    gap: var(--space-md);
    margin-top: var(--space-xl);
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ---------- RECOGNITION ---------- */
.recognition__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
    margin-top: var(--space-3xl);
}

.recognition__card {
    text-align: center;
    padding: var(--space-2xl);
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    transition: all var(--duration-fast) var(--ease);
}

.recognition__card:hover {
    border-color: var(--accent);
    transform: translateY(-4px);
    box-shadow: 0 8px 24px var(--accent-glow);
}

.recognition__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    border-radius: var(--radius-full);
    background: var(--accent-glow);
    margin-bottom: var(--space-lg);
}

.recognition__icon svg {
    width: 28px;
    height: 28px;
    color: var(--accent);
}

.recognition__title {
    font-size: var(--fs-lg);
    font-weight: 600;
    margin-bottom: var(--space-sm);
}

.recognition__desc {
    font-size: var(--fs-sm);
    color: var(--text-secondary);
    line-height: 1.6;
}

.recognition__desc a {
    color: var(--accent);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: border-color 0.2s;
}

.recognition__desc a:hover {
    border-bottom-color: var(--accent);
}

/* ---------- RESPONSIVE: RECOGNITION ---------- */
@media (max-width: 768px) {
    .recognition__grid {
        grid-template-columns: 1fr;
    }

    .modal__container {
        padding: var(--space-lg);
        max-height: 90vh;
        border-radius: var(--radius-lg);
    }

    .modal__body {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }

    .modal__screenshots {
        min-width: 0;
    }

    .modal__phone-row {
        grid-template-columns: repeat(3, 1fr);
        gap: 4px;
    }
}