/*
  AANDEV — Ultra Premium Portfolio
  ================================
  Dark-only. Realistic Glass. Cinematic feel.
*/

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=JetBrains+Mono:wght@400;500;600&display=swap');

/* ══════════════════════════════════════════════
   Design Tokens
   ══════════════════════════════════════════════ */
:root {
    --bg-void:    #05060a;
    --bg-deep:    #0a0c14;
    --bg-surface: #0f1219;
    --bg-card:    #131722;
    --bg-elevated:#181d2a;

    --glass-bg:       rgba(15, 18, 25, 0.55);
    --glass-border:   rgba(255, 255, 255, 0.06);
    --glass-shine:    rgba(255, 255, 255, 0.03);
    --glass-hover-bg: rgba(20, 25, 38, 0.7);
    --glass-hover-border: rgba(0, 210, 255, 0.15);

    --accent:     #00d4ff;
    --accent-2:   #7b61ff;
    --accent-3:   #ff6b9d;
    --accent-glow: rgba(0, 212, 255, 0.25);

    --text-primary:   #e8ecf4;
    --text-secondary: #8896ab;
    --text-muted:     #5a6a80;

    --font-body: 'Inter', -apple-system, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;

    --radius-sm: 10px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-xl: 32px;

    --ease-premium: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-bounce:  cubic-bezier(0.34, 1.56, 0.64, 1);
    --duration:     0.5s;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-body);
    background: var(--bg-void);
    color: var(--text-primary);
    line-height: 1.7;
    overflow-x: hidden;
}

::selection {
    background: rgba(0, 212, 255, 0.3);
    color: #fff;
}

img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ══════════════════════════════════════════════
   Background — Animated Orbs + Noise
   ══════════════════════════════════════════════ */
.bg-canvas {
    position: fixed;
    inset: 0;
    z-index: -1;
    overflow: hidden;
    pointer-events: none;
}

.orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.4;
    will-change: transform;
}
.orb-1 {
    width: 50vw; height: 50vw;
    background: radial-gradient(circle, rgba(0,212,255,0.15) 0%, transparent 70%);
    top: -15%; left: -10%;
    animation: orbit1 25s infinite alternate ease-in-out;
}
.orb-2 {
    width: 40vw; height: 40vw;
    background: radial-gradient(circle, rgba(123,97,255,0.12) 0%, transparent 70%);
    bottom: -10%; right: -5%;
    animation: orbit2 30s infinite alternate ease-in-out;
}
.orb-3 {
    width: 30vw; height: 30vw;
    background: radial-gradient(circle, rgba(255,107,157,0.08) 0%, transparent 70%);
    top: 40%; left: 50%;
    animation: orbit3 20s infinite alternate ease-in-out;
}

@keyframes orbit1 { 0% { transform: translate(0,0) scale(1); } 100% { transform: translate(8vw,6vh) scale(1.15); } }
@keyframes orbit2 { 0% { transform: translate(0,0) scale(1); } 100% { transform: translate(-6vw,-8vh) scale(1.1); } }
@keyframes orbit3 { 0% { transform: translate(0,0) scale(0.9); } 100% { transform: translate(-4vw,5vh) scale(1.05); } }

/* Subtle noise/grain overlay */
.bg-canvas::after {
    content: '';
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.8' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.03'/%3E%3C/svg%3E");
    background-size: 200px 200px;
    pointer-events: none;
}

/* ══════════════════════════════════════════════
   Glass Card System — Realistic
   ══════════════════════════════════════════════ */
.glass {
    background: var(--glass-bg);
    backdrop-filter: blur(24px) saturate(180%);
    -webkit-backdrop-filter: blur(24px) saturate(180%);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    position: relative;
    overflow: hidden;
    transition: all var(--duration) var(--ease-premium);
}

/* Top-edge shine — simulated light reflection */
.glass::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent 0%, rgba(255,255,255,0.12) 30%, rgba(255,255,255,0.12) 70%, transparent 100%);
    pointer-events: none;
}

/* Inner gradient shine */
.glass::after {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 50%;
    background: linear-gradient(180deg, var(--glass-shine), transparent);
    pointer-events: none;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.glass:hover {
    background: var(--glass-hover-bg);
    border-color: var(--glass-hover-border);
    transform: translateY(-4px);
    box-shadow:
        0 20px 40px rgba(0, 0, 0, 0.3),
        0 0 60px rgba(0, 212, 255, 0.05);
}

/* ══════════════════════════════════════════════
   Reveal Animation System
   ══════════════════════════════════════════════ */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.9s var(--ease-premium), transform 0.9s var(--ease-premium);
}
.reveal.active {
    opacity: 1;
    transform: translateY(0);
}
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* Gradient Text */
.gradient-text {
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.gradient-text-warm {
    background: linear-gradient(135deg, var(--accent-3), var(--accent-2));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ══════════════════════════════════════════════
   Navigation
   ══════════════════════════════════════════════ */
.navbar {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
    padding: 16px 0;
    transition: all 0.4s var(--ease-premium);
}
.navbar.scrolled {
    background: rgba(5, 6, 10, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255,255,255,0.04);
    padding: 10px 0;
}

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

.nav-logo {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: 3px;
}
.nav-logo span {
    color: var(--accent);
    text-shadow: 0 0 20px var(--accent-glow);
}

.nav-links {
    display: flex;
    gap: 40px;
    list-style: none;
}
.nav-links a {
    font-size: 0.88rem;
    font-weight: 500;
    color: var(--text-secondary);
    letter-spacing: 0.5px;
    position: relative;
    padding-bottom: 4px;
    transition: color var(--duration) var(--ease-premium);
}
.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0; left: 0;
    width: 0; height: 2px;
    background: var(--accent);
    border-radius: 1px;
    transition: width var(--duration) var(--ease-premium);
}
.nav-links a:hover { color: var(--text-primary); }
.nav-links a:hover::after { width: 100%; }

/* ══════════════════════════════════════════════
   Hero Section
   ══════════════════════════════════════════════ */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    position: relative;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 60px;
    align-items: center;
}

/* ── Hero Text ── */
.hero-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--accent);
    margin-bottom: 24px;
    letter-spacing: 2px;
}
.hero-label .dot {
    width: 8px; height: 8px;
    background: var(--accent);
    border-radius: 50%;
    box-shadow: 0 0 12px var(--accent-glow);
    animation: blink 2s infinite;
}
@keyframes blink { 0%,100% { opacity: 1; } 50% { opacity: 0.3; } }

.hero-name {
    font-size: clamp(3rem, 5.5vw, 5rem);
    font-weight: 900;
    line-height: 1.05;
    margin-bottom: 20px;
    letter-spacing: -1px;
}

.hero-typing {
    font-size: clamp(1.3rem, 2.5vw, 2rem);
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 28px;
    min-height: 2.5rem;
}
.typed-text { color: var(--text-primary); font-weight: 600; }
.cursor-bar {
    display: inline-block;
    width: 3px;
    height: 1.2em;
    background: var(--accent);
    margin-left: 2px;
    vertical-align: text-bottom;
    animation: blink 1s steps(1) infinite;
}

.hero-desc {
    color: var(--text-secondary);
    font-size: 1.1rem;
    max-width: 520px;
    margin-bottom: 40px;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 30px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.95rem;
    border: none;
    cursor: pointer;
    transition: all var(--duration) var(--ease-premium);
}
.btn-glow {
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    color: #fff;
    box-shadow: 0 8px 32px var(--accent-glow);
}
.btn-glow:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 16px 40px var(--accent-glow);
}
.btn-ghost {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--glass-border);
}
.btn-ghost:hover {
    border-color: var(--accent);
    background: rgba(0,212,255,0.05);
    transform: translateY(-3px);
}

/* ── Hero Avatar ── */
.hero-visual {
    display: flex;
    justify-content: center;
    position: relative;
}

.avatar-ring {
    width: 420px; height: 420px;
    border-radius: 50%;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Spinning ring */
.avatar-ring::before {
    content: '';
    position: absolute;
    inset: -4px;
    border-radius: 50%;
    background: conic-gradient(from 0deg, transparent 60%, var(--accent) 80%, var(--accent-2) 100%);
    animation: spin-ring 6s linear infinite;
    mask: radial-gradient(circle, transparent 60%, black 61%);
    -webkit-mask: radial-gradient(circle, transparent 60%, black 61%);
}
@keyframes spin-ring { to { transform: rotate(360deg); } }

/* Glow behind avatar */
.avatar-ring::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 50%;
    background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
    filter: blur(40px);
    z-index: -1;
    animation: pulse-glow 4s infinite alternate ease-in-out;
}
@keyframes pulse-glow { 0% { opacity: 0.5; transform: scale(1); } 100% { opacity: 0.8; transform: scale(1.1); } }

.avatar-img {
    width: 380px; height: 380px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid rgba(255,255,255,0.08);
    position: relative;
    z-index: 1;
}

/* ══════════════════════════════════════════════
   Section Headers
   ══════════════════════════════════════════════ */
section {
    padding: 120px 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 80px;
}
.section-label {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--accent);
    letter-spacing: 3px;
    text-transform: uppercase;
    margin-bottom: 16px;
    display: block;
}
.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}
.section-subtitle {
    color: var(--text-secondary);
    font-size: 1.05rem;
    max-width: 600px;
    margin: 0 auto;
}

/* Divider line */
.section-divider {
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--accent), var(--accent-2));
    border-radius: 2px;
    margin: 20px auto 0;
}

/* ══════════════════════════════════════════════
   About Section
   ══════════════════════════════════════════════ */
.about-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

.about-card {
    padding: 44px;
}
.about-card .card-icon {
    font-size: 2.5rem;
    margin-bottom: 20px;
}
.about-card h3 {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 16px;
}
.about-card p {
    color: var(--text-secondary);
    font-size: 0.98rem;
    line-height: 1.8;
}

/* Stats Row */
.stats-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-top: 60px;
}
.stat-item {
    text-align: center;
    padding: 32px 16px;
}
.stat-number {
    font-size: 2.5rem;
    font-weight: 900;
    margin-bottom: 8px;
    display: block;
}
.stat-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-weight: 500;
}

/* ══════════════════════════════════════════════
   Skills Section
   ══════════════════════════════════════════════ */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 16px;
}

.skill-chip {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 18px;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    font-family: var(--font-mono);
    font-size: 0.82rem;
    color: var(--text-primary);
    transition: all var(--duration) var(--ease-premium);
    cursor: default;
    position: relative;
    overflow: hidden;
}
.skill-chip::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.08), transparent);
}
.skill-chip:hover {
    background: var(--glass-hover-bg);
    border-color: var(--glass-hover-border);
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}
.skill-chip .icon { font-size: 1.1rem; }

/* ══════════════════════════════════════════════
   Projects Section
   ══════════════════════════════════════════════ */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 30px;
}

.project-card {
    padding: 0;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}
.project-card:hover { transform: translateY(-6px); }

.project-visual {
    height: 200px;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}
.project-visual .emoji-icon {
    font-size: 4rem;
    z-index: 1;
    filter: drop-shadow(0 4px 20px rgba(0,0,0,0.4));
}

.project-gradient-1 { background: linear-gradient(135deg, #0a1628, #0d2b45, #003d5b); }
.project-gradient-2 { background: linear-gradient(135deg, #1a0a2e, #2d1b4e, #16213e); }
.project-gradient-3 { background: linear-gradient(135deg, #1a0000, #2d0a0a, #3d1515); }
.project-gradient-4 { background: linear-gradient(135deg, #0a1a0a, #0d2d0d, #153d15); }
.project-gradient-5 { background: linear-gradient(135deg, #1a1500, #2d2200, #3d3000); }

.project-body {
    padding: 32px;
    flex: 1;
    display: flex;
    flex-direction: column;
}
.project-tag {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--accent);
    letter-spacing: 1.5px;
    text-transform: uppercase;
    margin-bottom: 12px;
}
.project-body h3 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 14px;
}
.project-body p {
    color: var(--text-secondary);
    font-size: 0.92rem;
    line-height: 1.7;
    flex: 1;
}
.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--glass-border);
}
.project-tech span {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    padding: 4px 10px;
    background: rgba(0,212,255,0.08);
    color: var(--accent);
    border-radius: 6px;
    border: 1px solid rgba(0,212,255,0.1);
}

/* ══════════════════════════════════════════════
   Footer / Contact
   ══════════════════════════════════════════════ */
.footer {
    padding: 100px 0 60px;
    text-align: center;
    position: relative;
}

.footer-card {
    max-width: 700px;
    margin: 0 auto;
    padding: 60px;
}
.footer-card h2 {
    font-size: 2.2rem;
    font-weight: 800;
    margin-bottom: 16px;
}
.footer-card .desc {
    color: var(--text-secondary);
    margin-bottom: 40px;
    font-size: 1.05rem;
}

.contact-links {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 50px;
}
.contact-pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 50px;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--text-secondary);
    transition: all var(--duration) var(--ease-premium);
}
.contact-pill:hover {
    border-color: var(--accent);
    color: var(--accent);
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}

.copyright {
    color: var(--text-muted);
    font-size: 0.8rem;
    letter-spacing: 0.3px;
}
.copyright span { color: var(--accent); }

/* Scroll Top */
.scroll-top {
    position: fixed;
    bottom: 30px; right: 30px;
    width: 48px; height: 48px;
    border-radius: 50%;
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    color: var(--accent);
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    transform: translateY(20px);
    transition: all var(--duration) var(--ease-premium);
    z-index: 999;
}
.scroll-top.visible {
    opacity: 1;
    transform: translateY(0);
}
.scroll-top:hover {
    background: var(--accent);
    color: #fff;
    box-shadow: 0 10px 30px var(--accent-glow);
}

/* ══════════════════════════════════════════════
   Responsive
   ══════════════════════════════════════════════ */
@media (max-width: 991px) {
    .hero-grid {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 40px;
    }
    .hero-grid > :first-child { order: 2; }
    .hero-grid > :last-child  { order: 1; }
    .hero-desc { margin: 0 auto 40px; }
    .hero-buttons { justify-content: center; }
    .avatar-ring { width: 300px; height: 300px; }
    .avatar-img  { width: 270px; height: 270px; }

    .about-layout { grid-template-columns: 1fr; }
    .stats-row { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .nav-links { display: none; }
    section { padding: 80px 0; }
    .section-header { margin-bottom: 50px; }
    .hero      { padding-top: 100px; }
    .stats-row { grid-template-columns: repeat(2, 1fr); gap: 16px; }
    .stat-item { padding: 24px 12px; }
    .stat-number { font-size: 2rem; }
    .projects-grid { grid-template-columns: 1fr; }
    .footer-card { padding: 40px 24px; }
    .skills-grid { grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); gap: 10px; }
}