/* ===== NAVIGATION - Material Top App Bar ===== */
#navbar {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 50;
    transition: all var(--transition-base);
    border-bottom: 1px solid transparent;
}
#navbar.scrolled {
    background: rgba(13,13,20,0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom-color: var(--outline-variant);
    box-shadow: var(--shadow-2);
}
.nav-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 4rem;
}
.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    text-decoration: none;
    transition: transform var(--transition-base);
}
.nav-logo:hover { transform: scale(1.05); }

.logo-icon {
    width: 2.25rem;
    height: 2.25rem;
    background: var(--android-green);
    border-radius: 0.625rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    color: var(--on-primary);
    font-size: 1rem;
    box-shadow: 0 0 14px rgba(61,220,132,0.4);
    font-family: 'JetBrains Mono', monospace;
}
.logo-text {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--on-surface);
    display: none;
    letter-spacing: -0.01em;
}
@media (min-width: 640px) { .logo-text { display: block; } }

.nav-links { display: none; gap: 0.25rem; }
@media (min-width: 768px) { .nav-links { display: flex; } }

.nav-link {
    padding: 0.4rem 0.875rem;
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--on-surface-dim);
    text-decoration: none;
    transition: all var(--transition-fast);
    position: relative;
}
.nav-link:hover { color: var(--on-surface); background: var(--surface-3); }
.nav-link.active {
    color: var(--android-green);
    background: var(--android-green-dim);
}

.nav-actions { display: none; align-items: center; gap: 0.5rem; }
@media (min-width: 768px) { .nav-actions { display: flex; } }

/* Theme toggle */
.theme-toggle {
    width: 2.25rem;
    height: 2.25rem;
    border-radius: var(--radius-full);
    background: var(--surface-3);
    border: 1px solid var(--outline-variant);
    color: var(--on-surface-dim);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
    position: relative;
}
.theme-toggle:hover { color: var(--android-green); border-color: var(--android-green); }
.theme-toggle svg { width: 1rem; height: 1rem; position: absolute; }
.icon-sun { display: none; }
[data-theme="dark"] .icon-moon { display: none; }
[data-theme="dark"] .icon-sun  { display: block; }

/* Mobile menu toggle */
.mobile-menu-toggle {
    display: flex;
    align-items: center;
    padding: 0.5rem;
    background: none;
    border: none;
    color: var(--on-surface);
    cursor: pointer;
}
@media (min-width: 768px) { .mobile-menu-toggle { display: none; } }
.mobile-menu-toggle svg { width: 1.5rem; height: 1.5rem; }
.icon-close { display: none; }
.mobile-menu-toggle.active .icon-menu  { display: none; }
.mobile-menu-toggle.active .icon-close { display: block; }

/* Mobile menu */
.mobile-menu {
    display: none;
    background: rgba(13,13,20,0.97);
    backdrop-filter: blur(20px);
    border-top: 1px solid var(--outline-variant);
    padding: 1rem;
}
.mobile-menu.active { display: block; }
@media (min-width: 768px) { .mobile-menu { display: none !important; } }

.mobile-nav-link {
    display: block;
    padding: 0.75rem 1rem;
    border-radius: var(--radius-lg);
    font-weight: 500;
    color: var(--on-surface-dim);
    text-decoration: none;
    transition: all var(--transition-fast);
    margin-bottom: 0.25rem;
}
.mobile-nav-link:hover, .mobile-nav-link.active {
    color: var(--android-green);
    background: var(--android-green-dim);
}
.mobile-resume-btn { margin-top: 1rem; width: 100%; }

/* ===== HERO SECTION ===== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    background: var(--surface-0);
    padding-top: 4rem;
}

/* Animated code background */
.hero-code-bg {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
    opacity: 0.04;
    z-index: 0;
}
.hero-code-scroll {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.7rem;
    line-height: 1.6;
    color: var(--android-green);
    white-space: pre;
    animation: codeScroll 30s linear infinite;
    padding: 1rem 2rem;
    width: 100%;
}

/* Grid overlay */
.hero-grid-overlay {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 0;
    background-image:
        linear-gradient(rgba(61,220,132,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(61,220,132,0.03) 1px, transparent 1px);
    background-size: 40px 40px;
}

/* Glow blobs */
.hero-blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    pointer-events: none;
    z-index: 0;
}
.hero-blob-1 {
    width: 600px; height: 600px;
    top: -200px; left: -200px;
    background: radial-gradient(circle, rgba(61,220,132,0.08) 0%, transparent 70%);
    animation: pulse 6s ease-in-out infinite;
}
.hero-blob-2 {
    width: 500px; height: 500px;
    bottom: -100px; right: -100px;
    background: radial-gradient(circle, rgba(187,134,252,0.07) 0%, transparent 70%);
    animation: pulse 8s ease-in-out infinite 2s;
}

.hero-container {
    padding: 4rem 1rem;
    position: relative;
    z-index: 10;
}
@media (min-width: 1024px) {
    .hero-container {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 4rem;
        align-items: center;
    }
}

.hero-content { animation: fadeInUp 0.8s ease-out; }

/* Android badge */
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.375rem 1rem;
    background: var(--android-green-dim);
    border: 1px solid rgba(61,220,132,0.3);
    border-radius: var(--radius-full);
    color: var(--android-green);
    font-size: 0.75rem;
    font-weight: 500;
    margin-bottom: 1.5rem;
    letter-spacing: 0.05em;
    font-family: 'JetBrains Mono', monospace;
}
.hero-badge::before { content: "▶"; font-size: 0.6rem; }

.hero-title {
    font-size: 2.75rem;
    font-weight: 700;
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
    line-height: 1.15;
}
@media (min-width: 640px)  { .hero-title { font-size: 3.5rem; } }
@media (min-width: 1024px) { .hero-title { font-size: 4rem; } }

.hero-subtitle-wrapper {
    height: 3.5rem;
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
}
.hero-subtitle {
    font-size: 1.375rem;
    font-weight: 400;
    color: var(--on-surface-variant);
    font-family: 'JetBrains Mono', monospace;
}
@media (min-width: 640px) { .hero-subtitle { font-size: 1.625rem; } }

.typing-cursor {
    color: var(--android-green);
    animation: blink 1s step-end infinite;
    font-weight: 300;
}

/* Company line */
.hero-company {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.4rem 1rem;
    background: var(--surface-3);
    border: 1px solid var(--outline-variant);
    border-radius: var(--radius-full);
    font-size: 0.8125rem;
    color: var(--on-surface-variant);
    margin-bottom: 1.5rem;
}
.hero-company strong { color: var(--android-green); }

.hero-description {
    font-size: 1rem;
    color: var(--on-surface-dim);
    max-width: 36rem;
    line-height: 1.75;
    margin-bottom: 2rem;
}

.hero-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 2rem;
}

.hero-social {
    display: flex;
    gap: 0.75rem;
    padding-top: 1rem;
    border-top: 1px solid var(--outline-variant);
}
.social-link {
    width: 2.75rem;
    height: 2.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--surface-3);
    border: 1px solid var(--outline-variant);
    color: var(--on-surface-dim);
    border-radius: var(--radius-lg);
    text-decoration: none;
    transition: all var(--transition-fast);
}
.social-link:hover {
    background: var(--android-green-dim);
    border-color: var(--android-green);
    color: var(--android-green);
    transform: translateY(-2px);
    box-shadow: var(--glow-green);
}
.social-link svg { width: 1.125rem; height: 1.125rem; }

/* Hero image */
.hero-image {
    position: relative;
    animation: fadeInUp 0.8s ease-out 0.2s both;
    display: flex;
    justify-content: center;
}
.hero-image-wrapper { position: relative; max-width: 380px; width: 100%; }

.hero-image-gradient {
    position: absolute;
    inset: -8px;
    background: linear-gradient(135deg, var(--android-green), var(--tertiary), var(--secondary));
    border-radius: calc(var(--radius-xl) + 8px);
    filter: blur(24px);
    opacity: 0.3;
    animation: pulse 4s ease-in-out infinite;
}
.hero-image-container {
    position: relative;
    background: var(--surface-3);
    border-radius: var(--radius-xl);
    overflow: hidden;
    border: 1px solid rgba(61,220,132,0.25);
    box-shadow: var(--shadow-3), var(--glow-green);
}

/* Android phone frame decoration */
.phone-frame {
    position: absolute;
    inset: 0;
    border-radius: var(--radius-xl);
    border: 2px solid rgba(61,220,132,0.15);
    pointer-events: none;
    z-index: 2;
}
.phone-notch {
    position: absolute;
    top: 0; left: 50%;
    transform: translateX(-50%);
    width: 80px; height: 20px;
    background: var(--surface-0);
    border-radius: 0 0 12px 12px;
    z-index: 3;
}

.profile-image {
    width: 100%;
    object-fit: cover;
    aspect-ratio: 4/5;
    display: block;
}
.hero-stats-overlay {
    position: absolute;
    bottom: 0; left: 0; right: 0;
    background: linear-gradient(to top, rgba(13,13,20,0.95) 0%, rgba(13,13,20,0.7) 60%, transparent 100%);
    padding: 1.5rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
    z-index: 1;
}
.stat-item { text-align: center; }
.stat-value {
    font-size: 1.375rem;
    font-weight: 700;
    color: var(--android-green);
    font-family: 'JetBrains Mono', monospace;
}
.stat-label { font-size: 0.75rem; color: var(--on-surface-dim); }

/* Floating badges */
.floating-stat {
    display: none;
    position: absolute;
    background: var(--surface-3);
    border: 1px solid rgba(61,220,132,0.3);
    border-radius: var(--radius-lg);
    padding: 0.75rem 1rem;
    box-shadow: var(--shadow-2), var(--glow-green);
    animation: float 4s ease-in-out infinite;
}
@media (min-width: 1024px) { .floating-stat { display: block; } }
.floating-stat-1 { right: -4rem; top: 20%; animation-delay: 0s; }
.floating-stat .stat-value { font-size: 1.5rem; color: var(--secondary); }
.floating-stat .stat-label { color: var(--on-surface-dim); font-size: 0.75rem; }