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

:root {
    /* Obsidian & Electric Indigo Palette */
    --bg-obsidian: #0B0F19;
    --bg-card: rgba(21, 27, 42, 0.7);
    --primary-indigo: #6366F1;
    --primary-indigo-bright: #818CF8;
    --primary-indigo-dark: #4F46E5;
    --text-primary: #F8FAFC;
    --text-secondary: #94A3B8;
    --text-muted: #64748B;
    --accent-cyan: #22D3EE;
    /* Subtle accent for highlights */

    /* Spacing & Borders */
    --radius-xl: 1.5rem;
    --radius-lg: 1rem;
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);

    /* Transitions */
    --transition-smooth: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-obsidian);
    color: var(--text-primary);
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

/* Base Layout */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

section {
    padding: 2rem 0 20rem 0;
    /* Huge internal bottom clearance */
    margin-top: 10rem;
    /* Physical gap between section boxes */
    opacity: 0;
    transform: translateY(30px);
    transition: var(--transition-smooth);
    scroll-margin-top: 100px;
    /* Precise alignment with header */
}

section.reveal {
    opacity: 0;
    transform: translateY(20px);
}

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

/* Utilities */
.glass {
    background: var(--bg-card);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    box-shadow: var(--glass-shadow);
}

.text-gradient {
    background: linear-gradient(135deg, #FFF 0%, var(--primary-indigo-bright) 100%);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.indigo-button {
    display: inline-flex;
    align-items: center;
    padding: 1rem 2.5rem;
    background: var(--primary-indigo);
    color: white;
    text-decoration: none;
    border-radius: var(--radius-lg);
    font-weight: 600;
    font-family: 'Outfit', sans-serif;
    transition: var(--transition-smooth);
    border: 1px solid transparent;
}

.indigo-button:hover {
    background: var(--primary-indigo-dark);
    transform: translateY(-3px);
    box-shadow: 0 15px 30px rgba(99, 102, 241, 0.4);
}

/* Navigation */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    padding: 1.5rem 0;
    transition: var(--transition-smooth);
}

nav.scrolled {
    padding: 1rem 0;
    background: rgba(11, 15, 25, 0.85);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
}

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

.logo {
    font-family: 'Outfit', sans-serif;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary-indigo-bright);
    letter-spacing: -1px;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    margin-left: 2.5rem;
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition-smooth);
}

.nav-links a:hover {
    color: var(--primary-indigo-bright);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding-top: 4rem;
    overflow: hidden;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
}

.hero-role {
    font-family: 'Outfit', sans-serif;
    font-size: clamp(1.2rem, 3vw, 2rem);
    font-weight: 800;
    letter-spacing: 3px;
    text-transform: uppercase;
    margin-bottom: 1rem;
    animation: slideUp 0.8s ease-out;
    background: linear-gradient(135deg, var(--primary-indigo-bright) 0%, var(--accent-cyan) 100%);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
}

.hero h1 {
    font-size: clamp(2.5rem, 8vw, 4.5rem);
    line-height: 1.1;
    margin-bottom: 1.5rem;
    animation: slideUp 1s ease-out;
}

.hero .accent {
    position: relative;
    white-space: nowrap;
}

.hero .accent::after {
    content: '';
    position: absolute;
    bottom: 5px;
    left: 0;
    width: 100%;
    height: 8px;
    background: var(--primary-indigo);
    opacity: 0.2;
    z-index: -1;
}

.hero-subtext {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
    max-width: 600px;
    animation: slideUp 1.2s ease-out;
}

.hero-btns {
    display: flex;
    gap: 1.5rem;
    animation: slideUp 1.4s ease-out;
}

.secondary-btn {
    display: inline-flex;
    align-items: center;
    padding: 1rem 2rem;
    color: var(--text-primary);
    text-decoration: none;
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    font-weight: 600;
    transition: var(--transition-smooth);
}

.secondary-btn:hover {
    background: var(--glass-border);
}

.hero-blob {
    position: absolute;
    top: 50%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--primary-indigo) 0%, transparent 70%);
    filter: blur(80px);
    opacity: 0.15;
    z-index: 1;
    animation: fadeIn 2s ease-in-out;
}

/* Section Common */
.section-title {
    font-size: 2.5rem;
    margin-bottom: 3rem;
    text-align: center;
}

/* About Section */
.about-narrative {
    grid-template-columns: 1fr;
    max-width: 900px;
    margin: 0 auto;
}

.narrative-list {
    list-style: none;
    padding: 0;
}

.narrative-list li {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.8;
    position: relative;
    padding-left: 2rem;
}

.narrative-list li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--primary-indigo-bright);
    font-weight: bold;
}

.narrative-list li strong {
    color: var(--text-primary);
    font-family: 'Outfit', sans-serif;
}

.narrative-list li em {
    color: var(--primary-indigo-bright);
    font-style: normal;
}


/* Work Section Timeline */
.timeline {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
    padding-left: 3rem;
}

/* Vertical Line */
.timeline::before {
    content: '';
    position: absolute;
    top: 0;
    left: 11px;
    /* Center of the marker */
    height: 100%;
    width: 2px;
    background: linear-gradient(to bottom, var(--primary-indigo), var(--accent-cyan), transparent);
    opacity: 0.5;
}

.timeline-item {
    position: relative;
    margin-bottom: 4rem;
}

.timeline-item:last-child {
    margin-bottom: 0;
}

/* Timeline Markers */
.timeline-marker {
    position: absolute;
    top: 2rem;
    /* Align with heading */
    left: -3rem;
    /* Push back to the vertical line */
    width: 24px;
    height: 24px;
    background: var(--bg-obsidian);
    border: 4px solid var(--primary-indigo-bright);
    border-radius: 50%;
    z-index: 2;
    box-shadow: 0 0 10px rgba(99, 102, 241, 0.5);
}

.timeline-item:hover .timeline-marker {
    background: var(--primary-indigo-bright);
    box-shadow: 0 0 20px rgba(34, 211, 238, 0.8);
    border-color: var(--accent-cyan);
    transform: scale(1.1);
    transition: var(--transition-smooth);
}

/* Card Overrides */
.timeline-content {
    margin-left: 1rem;
    padding: 2.5rem 3rem;
}

.project-info h3 {
    font-size: 1.25rem;
    color: var(--text-muted);
    font-weight: 500;
    margin-bottom: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.project-info h3 .accent-title {
    display: block;
    margin-top: 0.5rem;
    font-size: 2rem;
    color: var(--text-primary);
    font-weight: 800;
    letter-spacing: 0;
    text-transform: none;
}

.project-info p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
    line-height: 1.7;
}

.project-links {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
    margin-bottom: 2rem;
}

.context-link {
    display: inline-block;
    color: var(--primary-indigo-bright);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    border-bottom: 1px solid transparent;
    transition: var(--transition-smooth);
}

.context-link:hover {
    color: var(--accent-cyan);
    border-bottom-color: var(--accent-cyan);
}

.project-card {
    display: flex;
    border-radius: var(--radius-xl);
    transition: var(--transition-smooth);
    cursor: default;
}

.project-card:hover {
    transform: translateY(-5px);
    border-color: rgba(99, 102, 241, 0.3);
}

.tags {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.tags span {
    padding: 0.25rem 0.75rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    border-radius: 6px;
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* Contact Section */
.contact-card {
    padding: 5rem;
    text-align: center;
    border-radius: var(--radius-xl);
    background: radial-gradient(circle at top right, rgba(99, 102, 241, 0.1), transparent);
}

.contact-card h2 {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

.contact-card p {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
}

footer {
    padding: 4rem 0;
    text-align: center;
    border-top: 1px solid var(--glass-border);
    color: var(--text-muted);
    font-size: 0.9rem;
}

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

    .hero h1 {
        font-size: 3rem;
    }

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

    .contact-card {
        padding: 3rem 1.5rem;
    }
}