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

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

/* ── Scrollbar ───────────────────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
    background: rgba(255,255,255,0.15);
    border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.25); }

[data-theme="light"]::-webkit-scrollbar-thumb { background: rgba(0,0,0,0.15); }
[data-theme="light"]::-webkit-scrollbar-thumb:hover { background: rgba(0,0,0,0.25); }

/* Firefox */
html { scrollbar-width: thin; scrollbar-color: rgba(255,255,255,0.15) transparent; }
[data-theme="light"] { scrollbar-color: rgba(0,0,0,0.15) transparent; }

:root {
    --font: 'Inter', 'Segoe UI Variable', 'Segoe UI', system-ui, sans-serif;
    --radius: 16px;
    --radius-sm: 10px;
    --transition: 0.35s cubic-bezier(.4,0,.2,1);

    /* Dark (default) */
    --bg: #0e0e1a;
    --bg-gradient-1: #2a0845;
    --bg-gradient-2: #132d46;
    --bg-gradient-3: #0f2137;
    --surface: rgba(255,255,255,0.04);
    --surface-hover: rgba(255,255,255,0.08);
    --glass: rgba(255,255,255,0.06);
    --glass-border: rgba(255,255,255,0.12);
    --glass-highlight: rgba(255,255,255,0.15);
    --text: #f0f0f5;
    --text-secondary: rgba(240,240,245,0.6);
    --accent: #7c5bf5;
    --accent-glow: rgba(124,91,245,0.35);
    --accent-2: #00d4aa;
    --accent-2-glow: rgba(0,212,170,0.25);
    --shadow: 0 8px 32px rgba(0,0,0,0.4);
    --blur: 24px;
}

[data-theme="light"] {
    --bg: #e8eaf0;
    --bg-gradient-1: #c9b8f0;
    --bg-gradient-2: #b8d8e8;
    --bg-gradient-3: #d0e0f0;
    --surface: rgba(255,255,255,0.5);
    --surface-hover: rgba(255,255,255,0.7);
    --glass: rgba(255,255,255,0.45);
    --glass-border: rgba(255,255,255,0.6);
    --glass-highlight: rgba(255,255,255,0.8);
    --text: #1a1a2e;
    --text-secondary: rgba(26,26,46,0.55);
    --accent: #6341d9;
    --accent-glow: rgba(99,65,217,0.2);
    --accent-2: #00b894;
    --accent-2-glow: rgba(0,184,148,0.15);
    --shadow: 0 8px 32px rgba(0,0,0,0.1);
    --blur: 20px;
}

html {
    scroll-behavior: smooth;
    background: var(--bg);
}

body {
    font-family: var(--font);
    background: var(--bg);
    color: var(--text);
    overflow-x: hidden;
    transition: background var(--transition), color var(--transition);
}

/* ── Animated Background ──────────────────────────── */
.bg-canvas {
    position: fixed;
    inset: -env(safe-area-inset-top) -env(safe-area-inset-right) -env(safe-area-inset-bottom) -env(safe-area-inset-left);
    z-index: 0;
    overflow: hidden;
}

.bg-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(150px);
    opacity: 0.5;
    animation: float 20s ease-in-out infinite;
}

.bg-orb:nth-child(1) {
    width: 700px; height: 700px;
    background: var(--bg-gradient-1);
    top: -15%; left: -5%;
    animation-duration: 25s;
}
.bg-orb:nth-child(2) {
    width: 600px; height: 600px;
    background: var(--bg-gradient-2);
    top: 50%; right: -5%;
    animation-duration: 20s;
    animation-delay: -6s;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(60px, -40px) scale(1.05); }
    50% { transform: translate(-30px, 60px) scale(0.95); }
    75% { transform: translate(40px, 30px) scale(1.02); }
}

/* ── Layout ───────────────────────────────────────── */
.app {
    position: relative;
    z-index: 1;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: calc(2rem + env(safe-area-inset-top)) 1rem calc(4rem + env(safe-area-inset-bottom));
}

/* ── Top Controls ─────────────────────────────────── */
.top-controls {
    position: fixed;
    top: calc(1.25rem + env(safe-area-inset-top));
    right: calc(1.25rem + env(safe-area-inset-right));
    z-index: 100;
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.top-btn {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    border: 1px solid var(--glass-border);
    background: var(--glass);
    -webkit-backdrop-filter: blur(var(--blur));
    backdrop-filter: blur(var(--blur));
    color: var(--text);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    transition: all var(--transition);
    box-shadow: var(--shadow);
}

.top-btn:hover {
    background: var(--surface-hover);
    transform: scale(1.08);
}

.lang-toggle {
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    font-family: var(--font);
}

.theme-toggle .icon-sun,
.theme-toggle .icon-moon { position: absolute; transition: all var(--transition); }

[data-theme="dark"] .theme-toggle .icon-sun { opacity: 1; transform: rotate(0deg); }
[data-theme="dark"] .theme-toggle .icon-moon { opacity: 0; transform: rotate(-90deg); }
[data-theme="light"] .theme-toggle .icon-sun { opacity: 0; transform: rotate(90deg); }
[data-theme="light"] .theme-toggle .icon-moon { opacity: 1; transform: rotate(0deg); }

/* ── Glass Card ───────────────────────────────────── */
.glass-card {
    background: var(--glass);
    -webkit-backdrop-filter: blur(var(--blur));
    backdrop-filter: blur(var(--blur));
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    position: relative;
    overflow: hidden;
    transition: all var(--transition);
}

.glass-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--glass-highlight), transparent);
}

.glass-card:hover {
    border-color: var(--glass-highlight);
    box-shadow: var(--shadow), 0 0 0 1px var(--glass-border);
}

/* ── Hero Section ─────────────────────────────────── */
.hero {
    width: 100%;
    max-width: 700px;
    padding: 3rem 2.5rem;
    margin-top: 3rem;
    text-align: center;
    animation: fadeUp 0.8s ease-out;
}

.avatar {
    width: 110px;
    height: 110px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.75rem;
    font-size: 2.4rem;
    font-weight: 700;
    color: #fff;
    box-shadow: 0 0 40px var(--accent-glow), 0 0 80px var(--accent-2-glow);
    position: relative;
}

.avatar::after {
    content: '';
    position: absolute;
    inset: -3px;
    border-radius: 50%;
    border: 2px solid transparent;
    background: linear-gradient(135deg, var(--accent), var(--accent-2)) border-box;
    -webkit-mask: linear-gradient(#fff 0 0) padding-box, linear-gradient(#fff 0 0);
    mask: linear-gradient(#fff 0 0) padding-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
}

.hero h1 {
    font-size: 2.2rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 0.5rem;
    background: linear-gradient(135deg, var(--text), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero .role {
    font-size: 1.05rem;
    font-weight: 500;
    color: var(--accent);
    margin-bottom: 1rem;
    letter-spacing: 0.03em;
}

.hero .tagline {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.7;
    max-width: 520px;
    margin: 0 auto;
}

/* ── Social Links ─────────────────────────────────── */
.social-row {
    display: flex;
    justify-content: center;
    gap: 0.75rem;
    margin-top: 1.75rem;
    flex-wrap: wrap;
}

.social-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1.1rem;
    border-radius: var(--radius-sm);
    background: var(--surface);
    border: 1px solid var(--glass-border);
    color: var(--text);
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 500;
    transition: all var(--transition);
}

.social-link:hover {
    background: var(--surface-hover);
    border-color: var(--accent);
    color: var(--accent);
    transform: translateY(-2px);
    box-shadow: 0 4px 20px var(--accent-glow);
}

.social-link svg {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

/* ── Sections ─────────────────────────────────────── */
.sections {
    width: 100%;
    max-width: 700px;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-top: 2rem;
}

.section {
    padding: 2rem 2.5rem;
    animation: fadeUp 0.8s ease-out both;
}

.section:nth-child(1) { animation-delay: 0.1s; }
.section:nth-child(2) { animation-delay: 0.2s; }
.section:nth-child(3) { animation-delay: 0.3s; }

.section-title {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--accent);
    margin-bottom: 1.25rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.section-title::after {
    content: '';
    flex: 1;
    height: 1px;
    background: linear-gradient(90deg, var(--glass-border), transparent);
}

/* ── Skills ───────────────────────────────────────── */
.skills-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.skill-tag {
    padding: 0.45rem 0.9rem;
    border-radius: 20px;
    background: var(--surface);
    border: 1px solid var(--glass-border);
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: all var(--transition);
}

.skill-tag:hover {
    color: var(--accent);
    border-color: var(--accent);
    background: var(--accent-glow);
}

/* ── Focus Areas ──────────────────────────────────── */
.focus-list {
    display: grid;
    gap: 0.75rem;
}

.focus-item {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 1rem;
    border-radius: var(--radius-sm);
    background: var(--surface);
    border: 1px solid transparent;
    transition: all var(--transition);
}

.focus-item:hover {
    border-color: var(--glass-border);
    background: var(--surface-hover);
}

.focus-icon {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--accent-glow), var(--accent-2-glow));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    flex-shrink: 0;
}

.focus-item h3 {
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 0.2rem;
}

.focus-item p {
    font-size: 0.8rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* ── Contact Form ─────────────────────────────────── */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

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

.form-group { display: flex; flex-direction: column; gap: 0.35rem; }

.form-group label {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.form-group input,
.form-group textarea {
    padding: 0.75rem 1rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--glass-border);
    background: var(--surface);
    color: var(--text);
    font-family: var(--font);
    font-size: 16px;
    transition: all var(--transition);
    outline: none;
    resize: vertical;
}

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

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

/* Honeypot */
.hp-field { position: absolute; left: -9999px; opacity: 0; height: 0; width: 0; pointer-events: none; }

.submit-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.85rem 2rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--accent);
    background: linear-gradient(135deg, var(--accent), color-mix(in srgb, var(--accent) 80%, var(--accent-2)));
    color: #fff;
    font-family: var(--font);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition);
    align-self: flex-start;
    position: relative;
    overflow: hidden;
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 30px var(--accent-glow);
}

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

.submit-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

.form-status {
    font-size: 0.85rem;
    padding: 0.75rem 1rem;
    border-radius: var(--radius-sm);
    display: none;
}

.form-status.success {
    display: block;
    background: rgba(0,212,170,0.1);
    border: 1px solid rgba(0,212,170,0.3);
    color: var(--accent-2);
}

.form-status.error {
    display: block;
    background: rgba(255,80,80,0.1);
    border: 1px solid rgba(255,80,80,0.3);
    color: #ff5050;
}

/* Captcha */
.captcha-row {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.captcha-question {
    font-size: 0.85rem;
    color: var(--text-secondary);
    white-space: nowrap;
}

.captcha-input {
    width: 70px;
}

/* ── Footer ───────────────────────────────────────── */
.footer {
    margin-top: 3rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.75rem;
    color: var(--text-secondary);
    opacity: 0.6;
}

.footer a {
    color: var(--accent);
    text-decoration: none;
}

/* ── Animations ───────────────────────────────────── */
@keyframes fadeUp {
    from { opacity: 0; transform: translateY(24px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ── Responsive ───────────────────────────────────── */
@media (max-width: 600px) {
    .app { padding: 1.5rem 0.75rem 2.5rem; }
    .hero { padding: 2rem 1.5rem; margin-top: 2rem; }
    .hero h1 { font-size: 1.7rem; }
    .sections { gap: 1rem; margin-top: 1.25rem; }
    .section { padding: 1.5rem; }
    .form-row { grid-template-columns: 1fr; }
    .social-link span { display: none; }
    .footer { margin-top: 2rem; }
}