/* ========================================================================
   MOHAMMAD FAIZ — PORTFOLIO
   Liquid Glass Design System
   ======================================================================== */

/* ── Design Tokens ───────────────────────────────────────────────────── */
:root {
    /* Colors — Warm Charcoal + Amber Gold Palette */
    --bg-primary: #09090b;
    --bg-secondary: #111113;
    --bg-elevated: #1a1a1f;

    --surface-glass: rgba(255, 255, 255, 0.04);
    --surface-glass-hover: rgba(255, 255, 255, 0.07);
    --surface-glass-active: rgba(255, 255, 255, 0.10);

    --border-glass: rgba(255, 255, 255, 0.07);
    --border-glass-strong: rgba(255, 255, 255, 0.13);

    --text-primary: #ededef;
    --text-secondary: #a0a0a8;
    --text-tertiary: #63636e;

    --accent-primary: #e2a727;
    --accent-secondary: #f0c050;
    --accent-glow: rgba(226, 167, 39, 0.2);
    --accent-subtle: rgba(226, 167, 39, 0.08);

    --gradient-accent: linear-gradient(135deg, #e2a727 0%, #d4941c 50%, #c67f14 100%);
    --gradient-glass: linear-gradient(135deg,
        rgba(255,255,255,0.05) 0%,
        rgba(255,255,255,0.01) 50%,
        rgba(255,255,255,0.03) 100%);

    /* Typography */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-display: 'Space Grotesk', var(--font-sans);
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

    /* 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-5xl: 8rem;

    /* Borders */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;

    /* Transitions */
    --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-out-quart: cubic-bezier(0.25, 1, 0.5, 1);
    --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
    --transition-fast: 200ms var(--ease-out-expo);
    --transition-base: 350ms var(--ease-out-expo);
    --transition-slow: 600ms var(--ease-out-expo);

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.3);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.4);
    --shadow-lg: 0 8px 32px rgba(0,0,0,0.5);
    --shadow-glow: 0 0 40px var(--accent-glow);

    /* Layout */
    --nav-height: 88px;
    --container-max: 1200px;
    --container-padding: 24px;
}

/* ── Reset & Base ────────────────────────────────────────────────────── */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
    scroll-padding-top: var(--nav-height);
    scrollbar-width: thin;
    scrollbar-color: var(--text-tertiary) var(--bg-primary);
}

body {
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.7;
    color: var(--text-primary);
    background: var(--bg-primary);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

/* ── Custom Scrollbar ────────────────────────────────────────────────── */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
    background: var(--text-tertiary);
    border-radius: var(--radius-full);
    border: 2px solid var(--bg-primary);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-secondary);
}

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

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

button {
    font: inherit;
    cursor: pointer;
    border: none;
    background: none;
    color: inherit;
}

/* ── Container ───────────────────────────────────────────────────────── */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

/* ── Ambient Background ──────────────────────────────────────────────── */
.ambient-bg {
    position: fixed;
    inset: 0;
    z-index: -1;
    overflow: hidden;
    pointer-events: none;
}

.orb {
    position: absolute;
    border-radius: 50%;
    opacity: 0.6;
    will-change: transform;
    animation: orbFloat 20s ease-in-out infinite;
}

.orb-1 {
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(226, 167, 39, 0.15) 0%, transparent 60%);
    top: -20%;
    right: -10%;
    animation-delay: 0s;
    animation-duration: 25s;
}

.orb-2 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(198, 127, 20, 0.12) 0%, transparent 60%);
    bottom: -15%;
    left: -10%;
    animation-delay: -5s;
    animation-duration: 22s;
}

.orb-3 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(160, 140, 100, 0.1) 0%, transparent 60%);
    top: 40%;
    left: 30%;
    animation-delay: -10s;
    animation-duration: 28s;
}

.orb-4 {
    width: 350px;
    height: 350px;
    background: radial-gradient(circle, rgba(240, 192, 80, 0.12) 0%, transparent 60%);
    top: 20%;
    right: 30%;
    animation-delay: -15s;
    animation-duration: 30s;
}

@keyframes orbFloat {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(30px, -40px) scale(1.05); }
    50% { transform: translate(-20px, 20px) scale(0.95); }
    75% { transform: translate(40px, 30px) scale(1.03); }
}

.noise-overlay {
    position: absolute;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.03'/%3E%3C/svg%3E");
    background-repeat: repeat;
    opacity: 0.4;
    pointer-events: none;
}

.cursor-glow {
    position: fixed;
    top: 0;
    left: 0;
    width: 500px;
    height: 500px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(226, 167, 39, 0.06) 0%, transparent 60%);
    pointer-events: none;
    z-index: 0;
    transform: translate(-50%, -50%);
    transition: opacity 0.4s ease;
    will-change: transform;
}

/* ── Glass Design System ─────────────────────────────────────────────── */
.glass-panel {
    background: var(--gradient-glass);
    backdrop-filter: blur(24px) saturate(1.4);
    -webkit-backdrop-filter: blur(24px) saturate(1.4);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    position: relative;
    overflow: hidden;
}

.glass-panel::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    background: linear-gradient(
        135deg,
        rgba(255,255,255,0.06) 0%,
        transparent 40%,
        transparent 60%,
        rgba(255,255,255,0.03) 100%
    );
    pointer-events: none;
    z-index: 1;
}

/* Light refraction stripe */
.glass-panel::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(
        135deg,
        transparent 40%,
        rgba(255,255,255,0.03) 45%,
        rgba(255,255,255,0.06) 50%,
        rgba(255,255,255,0.03) 55%,
        transparent 60%
    );
    pointer-events: none;
    z-index: 1;
    transition: transform 0.8s ease;
}

.glass-panel:hover::after {
    transform: translate(15%, 15%);
}

.glass-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 6px 16px;
    background: var(--surface-glass);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--text-secondary);
}

.glass-btn {
    background: var(--surface-glass);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border-glass);
    transition: all var(--transition-fast);
}

.glass-btn:hover {
    background: var(--surface-glass-hover);
    border-color: var(--border-glass-strong);
}

.glass-card-mini {
    background: var(--surface-glass);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.glass-card-mini:hover {
    background: var(--surface-glass-hover);
    border-color: var(--border-glass-strong);
}

/* ── Navigation ──────────────────────────────────────────────────────── */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--nav-height);
    z-index: 1000;
    border: none;
    border-radius: 0;
    border-bottom: 1px solid transparent;
    background: transparent;
    backdrop-filter: none;
    transition: all var(--transition-base);
}

.nav::before,
.nav::after {
    display: none;
}

.nav.scrolled {
    background: rgba(7, 7, 13, 0.8);
    backdrop-filter: blur(24px) saturate(1.4);
    -webkit-backdrop-filter: blur(24px) saturate(1.4);
    border-bottom-color: var(--border-glass);
}

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

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.5rem;
    letter-spacing: -0.02em;
    z-index: 10;
}

.logo-icon {
    color: var(--accent-primary);
    font-size: 0.9rem;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2.5rem;
}

.nav-link {
    font-size: 0.95rem;
    font-weight: 450;
    color: var(--text-secondary);
    position: relative;
    padding: 6px 0;
    transition: color var(--transition-fast);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1.5px;
    background: var(--accent-primary);
    transition: width var(--transition-base);
    border-radius: 1px;
}

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

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    z-index: 10;
}

.nav-github-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.nav-github-btn svg {
    width: 22px;
    height: 22px;
}

.nav-github-btn:hover {
    color: var(--text-primary);
    transform: translateY(-1px);
}

/* Hamburger */
.nav-hamburger {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 40px;
    height: 40px;
    gap: 5px;
    border-radius: var(--radius-md);
    z-index: 1001;
}

.hamburger-line {
    width: 20px;
    height: 1.5px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all var(--transition-fast);
    transform-origin: center;
}

.nav-hamburger.active .hamburger-line:nth-child(1) {
    transform: translateY(6.5px) rotate(45deg);
}

.nav-hamburger.active .hamburger-line:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

.nav-hamburger.active .hamburger-line:nth-child(3) {
    transform: translateY(-6.5px) rotate(-45deg);
}

/* Mobile Menu */
.mobile-menu-overlay {
    position: fixed;
    inset: 0;
    z-index: 999;
    background: rgba(7, 7, 13, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

.mobile-menu-overlay.active {
    opacity: 1;
    visibility: visible;
}

.mobile-menu {
    text-align: center;
    padding: var(--space-3xl);
    border: none;
    background: transparent;
    backdrop-filter: none;
}

.mobile-menu::before,
.mobile-menu::after {
    display: none;
}

.mobile-link {
    display: block;
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--text-secondary);
    padding: var(--space-md) 0;
    transition: all var(--transition-fast);
    transform: translateY(20px);
    opacity: 0;
}

.mobile-menu-overlay.active .mobile-link {
    transform: translateY(0);
    opacity: 1;
}

.mobile-menu-overlay.active .mobile-link:nth-child(1) { transition-delay: 0.05s; }
.mobile-menu-overlay.active .mobile-link:nth-child(2) { transition-delay: 0.1s; }
.mobile-menu-overlay.active .mobile-link:nth-child(3) { transition-delay: 0.15s; }
.mobile-menu-overlay.active .mobile-link:nth-child(4) { transition-delay: 0.2s; }
.mobile-menu-overlay.active .mobile-link:nth-child(5) { transition-delay: 0.25s; }

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

.mobile-socials {
    display: flex;
    justify-content: center;
    gap: var(--space-lg);
    margin-top: var(--space-2xl);
    padding-top: var(--space-xl);
    border-top: 1px solid var(--border-glass);
    transform: translateY(20px);
    opacity: 0;
    transition: all var(--transition-base) 0.3s;
}

.mobile-menu-overlay.active .mobile-socials {
    transform: translateY(0);
    opacity: 1;
}

.mobile-socials a {
    color: var(--text-tertiary);
    transition: color var(--transition-fast);
}

.mobile-socials a:hover {
    color: var(--accent-secondary);
}

/* ── Hero Section ────────────────────────────────────────────────────── */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: calc(var(--nav-height) + var(--space-3xl)) var(--container-padding) var(--space-3xl);
    max-width: var(--container-max);
    margin: 0 auto;
    gap: var(--space-4xl);
    position: relative;
}

.hero-content {
    flex: 1;
    min-width: 0;
}

.hero-badge {
    margin-bottom: var(--space-xl);
}

.badge-pulse {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #22c55e;
    display: inline-block;
    animation: pulse 2s ease-in-out infinite;
    box-shadow: 0 0 8px rgba(34, 197, 94, 0.5);
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(0.8); }
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(3rem, 7vw, 5.5rem);
    font-weight: 800;
    line-height: 1.05;
    letter-spacing: -0.04em;
    margin-bottom: var(--space-lg);
}

.title-line {
    display: block;
}

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

.hero-subtitle {
    font-size: 1.1rem;
    font-weight: 450;
    color: var(--text-secondary);
    margin-bottom: var(--space-lg);
    letter-spacing: 0.01em;
}

.dot {
    color: var(--accent-primary);
    margin: 0 2px;
}

.hero-description {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--text-tertiary);
    max-width: 520px;
    margin-bottom: var(--space-2xl);
}

.hero-cta {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-3xl);
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 12px 28px;
    font-size: 0.875rem;
    font-weight: 550;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--gradient-accent);
    color: #fff;
    border: none;
    box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 60px var(--accent-glow);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-ghost {
    padding: 11px 27px;
    color: var(--text-secondary);
}

.btn-ghost:hover {
    color: var(--text-primary);
}

.btn-youtube {
    background: rgba(255, 0, 0, 0.1);
    border: 1px solid rgba(255, 0, 0, 0.2);
    color: #ff4444;
    padding: 10px 24px;
    font-weight: 550;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.btn-youtube:hover {
    background: rgba(255, 0, 0, 0.18);
    border-color: rgba(255, 0, 0, 0.35);
    transform: translateY(-2px);
}

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

.stat-item {
    padding: 16px 24px;
    text-align: center;
    min-width: 100px;
}

.stat-number {
    display: block;
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

.stat-label {
    display: block;
    font-size: 0.7rem;
    font-weight: 500;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-top: 2px;
}

/* Hero Visual */
.hero-visual {
    flex: 0 0 420px;
    max-width: 420px;
}

.terminal-window {
    padding: 0;
    overflow: hidden;
}

.terminal-header {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: 14px 18px;
    border-bottom: 1px solid var(--border-glass);
    background: rgba(255,255,255,0.02);
    position: relative;
    z-index: 2;
}

.terminal-dots {
    display: flex;
    gap: 6px;
}

.dot-red, .dot-yellow, .dot-green {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.dot-red { background: #ff5f57; }
.dot-yellow { background: #ffbd2e; }
.dot-green { background: #28c840; }

.terminal-title {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--text-tertiary);
    letter-spacing: 0.02em;
}

.terminal-body {
    padding: 20px;
    position: relative;
    z-index: 2;
}

.terminal-body pre {
    margin: 0;
}

.terminal-body code {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    line-height: 1.8;
    color: var(--text-secondary);
    white-space: pre-wrap;
}

.code-keyword { color: #e2a727; }
.code-var { color: #ededef; }
.code-key { color: #a0a0a8; }
.code-string { color: #f0c050; }
.code-comment { color: rgba(255,255,255,0.2); }

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: var(--container-padding);
    display: flex;
    align-items: center;
    gap: var(--space-md);
    color: var(--text-tertiary);
    font-size: 0.7rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.scroll-line {
    width: 40px;
    height: 1px;
    background: var(--border-glass-strong);
    position: relative;
    overflow: hidden;
}

.scroll-line::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--accent-primary);
    animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
    0% { left: -100%; }
    50% { left: 0; }
    100% { left: 100%; }
}

/* ── Section Common ──────────────────────────────────────────────────── */
.section {
    padding: var(--space-5xl) 0;
    position: relative;
}

.section-header {
    margin-bottom: var(--space-3xl);
}

.section-tag {
    margin-bottom: var(--space-lg);
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2.25rem, 5vw, 3.5rem);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.03em;
    color: var(--text-primary);
}

.section-title em {
    font-style: normal;
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ── About Section ───────────────────────────────────────────────────── */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: start;
}

.about-lead {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: var(--space-lg);
}

.about-text p {
    color: var(--text-tertiary);
    margin-bottom: var(--space-xl);
    line-height: 1.8;
}

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

.about-highlights {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.highlight-item {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: 14px 18px;
}

.highlight-icon {
    font-size: 1.25rem;
    flex-shrink: 0;
}

.highlight-item div {
    display: flex;
    flex-direction: column;
}

.highlight-item strong {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
}

.highlight-item span {
    font-size: 0.75rem;
    color: var(--text-tertiary);
}

/* Principles Card */
.principles-card {
    padding: 0;
    overflow: hidden;
}

.principles-header {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: 14px 18px;
    border-bottom: 1px solid var(--border-glass);
    background: rgba(255,255,255,0.02);
    position: relative;
    z-index: 2;
}

.principles-body {
    padding: 20px;
    position: relative;
    z-index: 2;
}

.principles-body code {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    line-height: 1.9;
    color: var(--text-secondary);
}

/* ── Skills Section ──────────────────────────────────────────────────── */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
}

.skill-category {
    padding: 28px;
    transition: all var(--transition-base);
}

.skill-category:hover {
    background: var(--surface-glass-hover);
    border-color: var(--border-glass-strong);
    transform: translateY(-4px);
}

.skill-category-header {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
    position: relative;
    z-index: 2;
}

.skill-icon {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    background: var(--accent-subtle);
    color: var(--accent-secondary);
    flex-shrink: 0;
}

.skill-category h3 {
    font-family: var(--font-display);
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-primary);
    letter-spacing: -0.01em;
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    position: relative;
    z-index: 2;
}

.skill-tag {
    padding: 6px 14px;
    font-size: 0.75rem;
    font-weight: 500;
    border-radius: var(--radius-full);
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.06);
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.skill-tag:hover {
    background: rgba(255,255,255,0.08);
    border-color: rgba(255,255,255,0.12);
    color: var(--text-primary);
    transform: translateY(-1px);
}

/* Skill color accents on hover */
.skill-tag[data-color="aws"]:hover { border-color: rgba(255,153,0,0.4); color: #ff9900; background: rgba(255,153,0,0.08); }
.skill-tag[data-color="azure"]:hover { border-color: rgba(0,137,214,0.4); color: #0089d6; background: rgba(0,137,214,0.08); }
.skill-tag[data-color="gcp"]:hover { border-color: rgba(66,133,244,0.4); color: #4285f4; background: rgba(66,133,244,0.08); }
.skill-tag[data-color="terraform"]:hover { border-color: rgba(123,66,188,0.4); color: #7b42bc; background: rgba(123,66,188,0.08); }
.skill-tag[data-color="ansible"]:hover { border-color: rgba(238,0,0,0.4); color: #ee4444; background: rgba(238,0,0,0.08); }
.skill-tag[data-color="actions"]:hover { border-color: rgba(32,136,255,0.4); color: #2088ff; background: rgba(32,136,255,0.08); }
.skill-tag[data-color="argocd"]:hover { border-color: rgba(239,123,77,0.4); color: #ef7b4d; background: rgba(239,123,77,0.08); }
.skill-tag[data-color="docker"]:hover { border-color: rgba(36,150,237,0.4); color: #2496ed; background: rgba(36,150,237,0.08); }
.skill-tag[data-color="k8s"]:hover { border-color: rgba(50,108,229,0.4); color: #326ce5; background: rgba(50,108,229,0.08); }
.skill-tag[data-color="helm"]:hover { border-color: rgba(15,22,137,0.4); color: #2D65ED; background: rgba(15,22,137,0.08); }
.skill-tag[data-color="node"]:hover { border-color: rgba(51,153,51,0.4); color: #339933; background: rgba(51,153,51,0.08); }
.skill-tag[data-color="python"]:hover { border-color: rgba(55,118,171,0.4); color: #3776ab; background: rgba(55,118,171,0.08); }
.skill-tag[data-color="pg"]:hover { border-color: rgba(49,97,146,0.4); color: #639; background: rgba(49,97,146,0.08); }
.skill-tag[data-color="redis"]:hover { border-color: rgba(220,56,45,0.4); color: #dc382d; background: rgba(220,56,45,0.08); }
.skill-tag[data-color="mongo"]:hover { border-color: rgba(71,162,72,0.4); color: #47a248; background: rgba(71,162,72,0.08); }
.skill-tag[data-color="prom"]:hover { border-color: rgba(230,82,44,0.4); color: #e6522c; background: rgba(230,82,44,0.08); }
.skill-tag[data-color="grafana"]:hover { border-color: rgba(244,104,0,0.4); color: #f46800; background: rgba(244,104,0,0.08); }
.skill-tag[data-color="cw"]:hover { border-color: rgba(255,153,0,0.4); color: #ff9900; background: rgba(255,153,0,0.08); }
.skill-tag[data-color="elk"]:hover { border-color: rgba(0,85,113,0.4); color: #00bfb3; background: rgba(0,85,113,0.08); }
.skill-tag[data-color="nginx"]:hover { border-color: rgba(0,150,57,0.4); color: #009639; background: rgba(0,150,57,0.08); }
.skill-tag[data-color="linux"]:hover { border-color: rgba(252,198,36,0.4); color: #fcc624; background: rgba(252,198,36,0.08); }

/* ── Projects Section ────────────────────────────────────────────────── */
.projects-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
}

.project-card {
    display: flex;
    gap: var(--space-2xl);
    padding: var(--space-2xl) var(--space-2xl);
    transition: all var(--transition-base);
    cursor: default;
}

.project-card:hover {
    background: var(--surface-glass-hover);
    border-color: var(--border-glass-strong);
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.project-number {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 800;
    color: var(--accent-subtle);
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    opacity: 0.3;
    flex-shrink: 0;
    line-height: 1;
    position: relative;
    z-index: 2;
}

.project-content {
    flex: 1;
    position: relative;
    z-index: 2;
}

.project-meta {
    display: flex;
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
}

.project-tag {
    font-size: 0.65rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    padding: 4px 10px;
    border-radius: var(--radius-full);
    background: var(--accent-subtle);
    color: var(--accent-secondary);
    border: 1px solid rgba(226, 167, 39, 0.15);
}

.project-title {
    font-family: var(--font-display);
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-md);
    letter-spacing: -0.02em;
}

.project-desc {
    font-size: 0.9rem;
    color: var(--text-tertiary);
    line-height: 1.7;
    margin-bottom: var(--space-lg);
}

.project-impact {
    display: flex;
    gap: var(--space-xl);
    margin-bottom: var(--space-lg);
    flex-wrap: wrap;
}

.impact-item {
    display: flex;
    flex-direction: column;
}

.impact-value {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-secondary);
    letter-spacing: -0.02em;
}

.impact-label {
    font-size: 0.7rem;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 500;
}

.project-stack {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.project-stack span {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    padding: 4px 10px;
    border-radius: var(--radius-full);
    background: rgba(255,255,255,0.04);
    border: 1px solid var(--border-glass);
    color: var(--text-tertiary);
}

/* ── GitHub Section ──────────────────────────────────────────────────── */
.github-profile {
    padding: var(--space-2xl);
    margin-bottom: var(--space-xl);
}

.gh-profile-header {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
    flex-wrap: wrap;
    position: relative;
    z-index: 2;
}

.gh-avatar {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    border: 2px solid var(--border-glass-strong);
    flex-shrink: 0;
}

.gh-profile-info {
    flex: 1;
    min-width: 200px;
}

.gh-profile-info h3 {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.gh-profile-info p {
    font-size: 0.875rem;
    color: var(--text-tertiary);
    margin-bottom: var(--space-sm);
}

.gh-profile-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.8rem;
    color: var(--accent-secondary);
    transition: color var(--transition-fast);
}

.gh-profile-link:hover {
    color: var(--accent-primary);
}

.gh-stats-row {
    display: flex;
    gap: var(--space-xl);
    margin-left: auto;
}

.gh-stat {
    text-align: center;
}

.gh-stat-value {
    display: block;
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.gh-stat-label {
    display: block;
    font-size: 0.65rem;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    font-weight: 500;
}

/* Repos Grid */
.github-repos {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
}

.repos-loading {
    grid-column: 1 / -1;
    padding: var(--space-3xl);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-md);
    color: var(--text-tertiary);
    font-size: 0.85rem;
}

.loading-spinner {
    width: 28px;
    height: 28px;
    border: 2px solid var(--border-glass);
    border-top-color: var(--accent-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

.repo-card {
    padding: 24px;
    transition: all var(--transition-base);
    cursor: pointer;
    display: flex;
    flex-direction: column;
}

.repo-card:hover {
    background: var(--surface-glass-hover);
    border-color: var(--border-glass-strong);
    transform: translateY(-3px);
}

.repo-card-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: var(--space-md);
    position: relative;
    z-index: 2;
}

.repo-name {
    font-family: var(--font-display);
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--accent-secondary);
    word-break: break-word;
}

.repo-visibility {
    font-size: 0.6rem;
    padding: 2px 8px;
    border-radius: var(--radius-full);
    border: 1px solid var(--border-glass);
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 500;
    flex-shrink: 0;
}

.repo-desc {
    font-size: 0.8rem;
    color: var(--text-tertiary);
    line-height: 1.6;
    margin-bottom: var(--space-md);
    flex: 1;
    position: relative;
    z-index: 2;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.repo-meta {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    font-size: 0.7rem;
    color: var(--text-tertiary);
    position: relative;
    z-index: 2;
}

.repo-lang {
    display: flex;
    align-items: center;
    gap: 5px;
}

.lang-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
}

.repo-stars, .repo-forks {
    display: flex;
    align-items: center;
    gap: 4px;
}

/* ── Content/YouTube Section ─────────────────────────────────────────── */
.content-card {
    padding: var(--space-2xl);
}

.content-card-inner {
    display: flex;
    align-items: center;
    gap: var(--space-2xl);
    position: relative;
    z-index: 2;
}

.yt-icon-wrap {
    flex-shrink: 0;
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-lg);
    background: rgba(255, 0, 0, 0.06);
    border: 1px solid rgba(255, 0, 0, 0.1);
}

.yt-info h3 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-sm);
}

.yt-info p {
    font-size: 0.9rem;
    color: var(--text-tertiary);
    line-height: 1.7;
    margin-bottom: var(--space-lg);
}

/* ── Contact Section ─────────────────────────────────────────────────── */
.contact-subtitle {
    font-size: 1.05rem;
    color: var(--text-tertiary);
    max-width: 560px;
    margin-bottom: var(--space-2xl);
    line-height: 1.7;
}

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

.contact-card {
    padding: 24px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-md);
    text-align: center;
    transition: all var(--transition-base);
}

.contact-card:hover {
    background: var(--surface-glass-hover);
    border-color: var(--border-glass-strong);
    transform: translateY(-4px);
}

.contact-card svg {
    color: var(--text-tertiary);
    transition: color var(--transition-fast);
    position: relative;
    z-index: 2;
}

.contact-card:hover svg {
    color: var(--accent-secondary);
}

.contact-name {
    font-family: var(--font-display);
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-primary);
    position: relative;
    z-index: 2;
}

.contact-handle {
    font-size: 0.75rem;
    color: var(--text-tertiary);
    position: relative;
    z-index: 2;
    word-break: break-all;
}

/* ── Footer ──────────────────────────────────────────────────────────── */
.footer {
    padding: var(--space-3xl) 0;
    border-top: 1px solid var(--border-glass);
}

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

.footer-brand {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 1rem;
    margin-bottom: var(--space-lg);
}

.footer-quote {
    font-style: italic;
    font-size: 0.875rem;
    color: var(--text-tertiary);
    margin-bottom: var(--space-md);
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.footer-copy {
    font-size: 0.75rem;
    color: var(--text-tertiary);
    opacity: 0.6;
}

/* ── Reveal Animations ───────────────────────────────────────────────── */
.reveal-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s var(--ease-out-expo),
                transform 0.7s var(--ease-out-expo);
}

.reveal-up.revealed {
    opacity: 1;
    transform: translateY(0);
}

.reveal-scale {
    opacity: 0;
    transform: scale(0.92);
    transition: opacity 0.7s var(--ease-out-expo),
                transform 0.7s var(--ease-out-expo);
}

.reveal-scale.revealed {
    opacity: 1;
    transform: scale(1);
}

/* Staggered children */
.reveal-up:nth-child(2) { transition-delay: 0.08s; }
.reveal-up:nth-child(3) { transition-delay: 0.16s; }
.reveal-up:nth-child(4) { transition-delay: 0.24s; }
.reveal-up:nth-child(5) { transition-delay: 0.32s; }
.reveal-up:nth-child(6) { transition-delay: 0.4s; }

/* ── Responsive ──────────────────────────────────────────────────────── */

/* Tablet */
@media (max-width: 1024px) {
    :root {
        --container-padding: 20px;
    }

    .hero {
        flex-direction: column;
        gap: var(--space-2xl);
        padding-top: calc(var(--nav-height) + var(--space-2xl));
        min-height: auto;
        padding-bottom: var(--space-4xl);
    }

    .hero-visual {
        flex: none;
        max-width: 100%;
        width: 100%;
    }

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

    .skills-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .contact-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .gh-stats-row {
        margin-left: 0;
        width: 100%;
        justify-content: flex-start;
        margin-top: var(--space-md);
    }
}

/* Mobile */
@media (max-width: 768px) {
    :root {
        --container-padding: 16px;
        --nav-height: 60px;
    }

    body {
        font-size: 15px;
    }

    .nav-links {
        display: none;
    }

    .nav-hamburger {
        display: flex;
    }

    .hero {
        padding-top: calc(var(--nav-height) + var(--space-xl));
        padding-bottom: var(--space-3xl);
    }

    .hero-title {
        font-size: clamp(2.25rem, 10vw, 3.5rem);
    }

    .hero-subtitle {
        font-size: 0.9rem;
    }

    .hero-description {
        font-size: 0.875rem;
    }

    .hero-stats {
        flex-wrap: wrap;
    }

    .stat-item {
        padding: 12px 16px;
        min-width: unset;
        flex: 1;
    }

    .stat-number {
        font-size: 1.2rem;
    }

    .stat-label {
        font-size: 0.6rem;
    }

    .terminal-body code {
        font-size: 0.7rem;
    }

    .section {
        padding: var(--space-3xl) 0;
    }

    .section-title {
        font-size: clamp(1.75rem, 7vw, 2.5rem);
    }

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

    .skill-category {
        padding: 20px;
    }

    .skill-category-header {
        margin-bottom: var(--space-md);
    }

    .skill-icon {
        width: 36px;
        height: 36px;
    }

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

    .skill-category h3 {
        font-size: 0.85rem;
    }

    .skill-tag {
        padding: 5px 11px;
        font-size: 0.7rem;
    }

    .project-card {
        flex-direction: column;
        gap: var(--space-md);
        padding: var(--space-xl);
    }

    .project-number {
        font-size: 2rem;
    }

    .project-title {
        font-size: 1.15rem;
    }

    .project-desc {
        font-size: 0.8rem;
    }

    .impact-value {
        font-size: 1.2rem;
    }

    .github-repos {
        grid-template-columns: 1fr;
    }

    .github-profile {
        padding: var(--space-xl);
    }

    .gh-profile-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-md);
    }

    .gh-avatar {
        width: 56px;
        height: 56px;
    }

    .gh-stats-row {
        gap: var(--space-lg);
    }

    .gh-stat-value {
        font-size: 1.2rem;
    }

    .content-card-inner {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-lg);
    }

    .yt-icon-wrap {
        width: 60px;
        height: 60px;
    }

    .yt-icon-wrap svg {
        width: 32px;
        height: 32px;
    }

    .yt-info h3 {
        font-size: 1.2rem;
    }

    .yt-info p {
        font-size: 0.8rem;
    }

    .contact-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-sm);
    }

    .contact-card {
        padding: 18px 12px;
    }

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

    .contact-name {
        font-size: 0.8rem;
    }

    .contact-handle {
        font-size: 0.65rem;
    }

    .scroll-indicator {
        display: none;
    }

    .cursor-glow {
        display: none;
    }

    .about-lead {
        font-size: 0.95rem;
    }

    .btn {
        padding: 10px 22px;
        font-size: 0.8rem;
    }

    .footer-quote {
        font-size: 0.8rem;
    }
}

/* Small Mobile */
@media (max-width: 420px) {
    :root {
        --container-padding: 14px;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 0.8rem;
    }

    .hero-badge {
        font-size: 0.65rem;
        padding: 5px 12px;
    }

    .hero-stats {
        gap: var(--space-sm);
    }

    .stat-item {
        padding: 10px 12px;
    }

    .stat-number {
        font-size: 1rem;
    }

    .stat-label {
        font-size: 0.55rem;
    }

    .section-title {
        font-size: 1.6rem;
    }

    .section-tag {
        font-size: 0.65rem;
    }

    .project-card {
        padding: var(--space-lg);
    }

    .project-impact {
        gap: var(--space-md);
    }

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

    .mobile-link {
        font-size: 1.35rem;
        padding: var(--space-sm) 0;
    }

    .gh-profile-info h3 {
        font-size: 1.05rem;
    }

    .repo-card {
        padding: 18px;
    }

    .repo-name {
        font-size: 0.85rem;
    }
}

/* Very Small Mobile */
@media (max-width: 360px) {
    .hero-title {
        font-size: 1.75rem;
    }

    .hero-cta {
        flex-direction: column;
        align-items: stretch;
    }

    .btn {
        justify-content: center;
    }

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

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

    .reveal-up, .reveal-scale {
        opacity: 1;
        transform: none;
    }
}

/* High contrast for accessibility */
@media (prefers-contrast: high) {
    :root {
        --border-glass: rgba(255,255,255,0.2);
        --text-secondary: rgba(240,240,245,0.8);
        --text-tertiary: rgba(240,240,245,0.6);
    }
}