/* css/premium.css */
/* Foundation for Premium AI Leader Portfolio */

:root {
    /* Color Palette */
    --bg-color: #050505;
    --surface-color: #121212;
    --surface-hover: #1a1a1a;
    --accent-color: #00d2ff;
    --accent-glow: rgba(0, 210, 255, 0.4);
    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --text-muted: #666666;
    --border-color: rgba(255, 255, 255, 0.08);

    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --font-display: 'Outfit', 'Inter', sans-serif;

    /* Spacing */
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 2rem;
    --spacing-xl: 4rem;
    --spacing-xxl: 8rem;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
}

/* Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    background-color: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Typography elements */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    letter-spacing: -0.02em;
}

h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    letter-spacing: -0.01em;
    margin-bottom: var(--spacing-xl);
}

h3 {
    font-size: 1.5rem;
}

p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    font-size: 1.125rem;
}

a {
    color: var(--accent-color);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: #fff;
}

/* Layout classes */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.section {
    padding: var(--spacing-xxl) 0;
    position: relative;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    padding: var(--spacing-md) 0;
    z-index: 1000;
    background: rgba(5, 5, 5, 0.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
}

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

.logo {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 800;
    letter-spacing: 0.05em;
    color: var(--text-primary);
}

.nav-links {
    display: flex;
    gap: var(--spacing-lg);
    list-style: none;
}

.nav-links a {
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

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

/* Utilities */
.text-accent {
    color: var(--accent-color);
}

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

.card {
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: var(--spacing-lg);
    transition: transform var(--transition-normal), border-color var(--transition-normal);
}

.card:hover {
    transform: translateY(-4px);
    border-color: rgba(255, 255, 255, 0.2);
}

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

.hero-content {
    max-width: 800px;
    z-index: 10;
    position: relative;
}

.hero-stats {
    display: flex;
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
    border-top: 1px solid var(--border-color);
    padding-top: var(--spacing-xl);
}

.stat-item h4 {
    font-size: 2rem;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.stat-item p {
    font-size: 0.875rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin: 0;
}

/* Background Canvas Placeholder */
#canvas-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    opacity: 0.5;
    pointer-events: none;
}

/* Case Studies */
.case-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
    margin-top: var(--spacing-lg);
}

@media (min-width: 992px) {
    .case-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.case-card {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.case-card h3 {
    color: var(--accent-color);
    margin-bottom: var(--spacing-sm);
    font-size: 1.75rem;
}

.case-meta {
    font-size: 0.85rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-lg);
    display: flex;
    gap: var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
    padding-bottom: var(--spacing-sm);
}

.case-section {
    margin-bottom: var(--spacing-md);
}

.case-section h4 {
    font-size: 1.1rem;
    color: #fff;
    margin-bottom: var(--spacing-sm);
    font-family: var(--font-primary);
}

.case-section p {
    font-size: 1rem;
    margin-bottom: 0;
}

/* Tech Ecosystem */
.ecosystem-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
    margin-top: var(--spacing-lg);
}

@media (min-width: 768px) {
    .ecosystem-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.eco-category {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: var(--spacing-lg);
    text-align: center;
    transition: transform var(--transition-normal);
}

.eco-category:hover {
    transform: translateY(-5px);
    border-color: rgba(255, 255, 255, 0.15);
}

.eco-category i {
    font-size: 2.5rem;
    color: var(--accent-color);
    margin-bottom: var(--spacing-md);
}

.eco-category h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-md);
    color: #fff;
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-sm);
}

.skill-tag {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-secondary);
    padding: 0.35rem 0.85rem;
    border-radius: 20px;
    font-size: 0.85rem;
    transition: all var(--transition-fast);
}

.skill-tag:hover {
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
}

/* Leadership Section */
.leadership-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
    margin-top: var(--spacing-lg);
}

@media (min-width: 992px) {
    .leadership-grid {
        grid-template-columns: 2fr 1fr;
        /* Pubs take 2/3, Service takes 1/3 */
    }
}

.pub-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.pub-item {
    background: rgba(255, 255, 255, 0.02);
    border-left: 3px solid var(--accent-color);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: 0 8px 8px 0;
}

.pub-item h4 {
    font-size: 1.05rem;
    margin-bottom: 0.25rem;
}

.pub-meta {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.service-box {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    padding: var(--spacing-lg);
    border-radius: 12px;
    height: 100%;
}

.service-box h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-md);
    color: var(--accent-color);
}

/* Resume Bot */
.bot-toggle {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background: var(--accent-color);
    color: #000;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    cursor: pointer;
    box-shadow: 0 4px 15px var(--accent-glow);
    z-index: 1000;
    transition: transform var(--transition-normal);
}

.bot-toggle:hover {
    transform: scale(1.1);
}

.bot-window {
    position: fixed;
    bottom: 100px;
    right: 30px;
    width: 350px;
    height: 500px;
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    z-index: 1000;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    transform: translateY(20px);
    opacity: 0;
    pointer-events: none;
    transition: all var(--transition-normal);
}

.bot-window.active {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
}

.bot-header {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: rgba(0, 210, 255, 0.05);
    border-radius: 12px 12px 0 0;
}

.bot-header h4 {
    margin: 0;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.bot-close {
    cursor: pointer;
    color: var(--text-muted);
}

.bot-close:hover {
    color: #fff;
}

.bot-messages {
    flex: 1;
    padding: var(--spacing-md);
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.msg {
    max-width: 85%;
    padding: 10px 14px;
    border-radius: 12px;
    font-size: 0.9rem;
    line-height: 1.4;
}

.msg.bot {
    background: rgba(255, 255, 255, 0.05);
    align-self: flex-start;
    border-bottom-left-radius: 4px;
}

.msg.user {
    background: var(--accent-color);
    color: #000;
    align-self: flex-end;
    border-bottom-right-radius: 4px;
}

.bot-options {
    padding: var(--spacing-md);
    border-top: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.bot-option-btn {
    background: transparent;
    border: 1px solid var(--accent-color);
    color: var(--accent-color);
    padding: 8px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    cursor: pointer;
    text-align: left;
    transition: all var(--transition-fast);
}

.bot-option-btn:hover {
    background: rgba(0, 210, 255, 0.1);
}

/* Base Responsive */
@media (max-width: 768px) {
    .hero-stats {
        flex-direction: column;
        gap: var(--spacing-lg);
    }

    .nav-links {
        display: none;
        /* We'll add a mobile menu later if needed, but keeping it simple for now */
    }
}