/* ============================================
   Vance Taylor — Personal Site
   ============================================ */

:root {
    --bg: #0a0a0f;
    --bg-card: #12121a;
    --bg-card-hover: #1a1a28;
    --text: #e4e4ef;
    --text-dim: #8888a0;
    --text-bright: #ffffff;
    --accent-1: #6366f1;
    --accent-2: #06b6d4;
    --accent-3: #8b5cf6;
    --gradient: linear-gradient(135deg, var(--accent-1), var(--accent-2));
    --gradient-text: linear-gradient(135deg, #818cf8, #22d3ee, #a78bfa);
    --border: rgba(255, 255, 255, 0.06);
    --border-hover: rgba(255, 255, 255, 0.12);
    --radius: 16px;
    --radius-sm: 8px;
    --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --mono: 'JetBrains Mono', monospace;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
}

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

/* Neural Network Background */
#neural-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
    opacity: 0.8;
}

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

/* Navigation */
nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 1rem 0;
    transition: var(--transition);
    backdrop-filter: blur(0px);
}

nav.scrolled {
    background: rgba(10, 10, 15, 0.85);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    padding: 0.75rem 0;
}

.nav-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-bright);
    text-decoration: none;
    letter-spacing: -0.03em;
}

.nav-logo .accent {
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-links a {
    color: var(--text-dim);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient);
    transition: var(--transition);
}

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

.nav-links a:hover::after {
    width: 100%;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text);
    transition: var(--transition);
}

.mobile-menu {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(10, 10, 15, 0.98);
    z-index: 999;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2rem;
}

.mobile-menu.active {
    display: flex;
}

.mobile-menu a {
    color: var(--text-bright);
    text-decoration: none;
    font-size: 1.5rem;
    font-weight: 600;
}

/* Hero Section */
#hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
    z-index: 1;
    padding: 8rem 2rem 4rem;
}

.hero-content {
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 4rem;
    align-items: center;
}

.hero-badge {
    display: inline-block;
    font-family: var(--mono);
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--accent-2);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: 1.5rem;
    padding: 0.5rem 1rem;
    border: 1px solid rgba(6, 182, 212, 0.3);
    border-radius: 100px;
    background: rgba(6, 182, 212, 0.05);
}

.hero-text h1 {
    font-size: clamp(2.5rem, 5vw, 4.2rem);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.03em;
    color: var(--text-bright);
    margin-bottom: 1.5rem;
}

.hero-text h1 .line {
    display: block;
}

.gradient-text {
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-sub {
    font-size: 1.15rem;
    color: var(--text-dim);
    max-width: 560px;
    margin-bottom: 2rem;
    line-height: 1.8;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    padding: 0.85rem 2rem;
    font-size: 0.95rem;
    font-weight: 600;
    font-family: var(--font);
    text-decoration: none;
    border-radius: 100px;
    transition: var(--transition);
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--gradient);
    color: white;
    box-shadow: 0 4px 24px rgba(99, 102, 241, 0.25);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 32px rgba(99, 102, 241, 0.35);
}

.btn-outline {
    background: transparent;
    color: var(--text);
    border: 1px solid var(--border-hover);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--text-dim);
    color: var(--text-bright);
}

.btn-large {
    padding: 1.1rem 2.8rem;
    font-size: 1.05rem;
}

/* Hero Image */
.hero-image {
    position: relative;
    display: flex;
    justify-content: center;
}

.image-frame {
    position: relative;
    width: 360px;
    height: 420px;
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--border-hover);
    z-index: 2;
}

.image-frame img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
}

.image-glow {
    position: absolute;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.15), transparent 70%);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 1;
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
}

.scroll-line {
    width: 1px;
    height: 60px;
    background: linear-gradient(to bottom, var(--accent-1), transparent);
    animation: scroll-pulse 2s ease-in-out infinite;
}

@keyframes scroll-pulse {
    0%, 100% { opacity: 0.3; transform: scaleY(0.6); }
    50% { opacity: 1; transform: scaleY(1); }
}

/* Section Styling */
section {
    position: relative;
    z-index: 1;
    padding: 7rem 0;
}

.section-label {
    font-family: var(--mono);
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--accent-2);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    margin-bottom: 1rem;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    color: var(--text-bright);
    letter-spacing: -0.02em;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-dim);
    max-width: 600px;
    margin-bottom: 3rem;
    line-height: 1.8;
}

/* About Section */
.about-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 4rem;
    align-items: start;
}

.about-main h2 {
    font-size: clamp(2rem, 3.5vw, 2.8rem);
    font-weight: 800;
    color: var(--text-bright);
    letter-spacing: -0.02em;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.about-main .lead {
    font-size: 1.15rem;
    color: var(--text);
    margin-bottom: 1rem;
    line-height: 1.8;
}

.about-main p {
    color: var(--text-dim);
    margin-bottom: 1rem;
    line-height: 1.8;
}

.about-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.5rem;
    text-align: center;
    transition: var(--transition);
}

.stat-card:hover {
    border-color: var(--border-hover);
    background: var(--bg-card-hover);
    transform: translateY(-2px);
}

.stat-number {
    font-size: 2rem;
    font-weight: 800;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.25rem;
}

.stat-label {
    font-size: 0.8rem;
    color: var(--text-dim);
    font-weight: 500;
}

/* Expertise Grid */
.expertise-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.expertise-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 2rem;
    transition: var(--transition);
    opacity: 0;
    transform: translateY(20px);
}

.expertise-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.expertise-card:hover {
    border-color: var(--accent-1);
    background: var(--bg-card-hover);
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(99, 102, 241, 0.1);
}

.card-icon {
    width: 48px;
    height: 48px;
    margin-bottom: 1.25rem;
    color: var(--accent-2);
}

.card-icon svg {
    width: 100%;
    height: 100%;
}

.expertise-card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-bright);
    margin-bottom: 0.75rem;
}

.expertise-card p {
    font-size: 0.9rem;
    color: var(--text-dim);
    margin-bottom: 1rem;
    line-height: 1.7;
}

.card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.card-tags span {
    font-size: 0.72rem;
    font-family: var(--mono);
    padding: 0.3rem 0.7rem;
    background: rgba(99, 102, 241, 0.08);
    border: 1px solid rgba(99, 102, 241, 0.15);
    border-radius: 100px;
    color: var(--accent-1);
    white-space: nowrap;
}

/* Track Record */
.case-study.featured {
    position: relative;
    background: var(--bg-card);
    border: 1px solid var(--accent-1);
    border-radius: var(--radius);
    padding: 3rem;
    margin-bottom: 2rem;
    overflow: hidden;
}

.case-study.featured::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradient);
}

.case-badge {
    display: inline-block;
    font-family: var(--mono);
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--accent-2);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    padding: 0.3rem 0.8rem;
    border: 1px solid rgba(6, 182, 212, 0.3);
    border-radius: 100px;
    margin-bottom: 1.5rem;
}

.case-text h3 {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--text-bright);
    margin-bottom: 0.5rem;
}

.case-role {
    font-family: var(--mono);
    font-size: 0.85rem;
    color: var(--accent-1);
    margin-bottom: 1.25rem;
}

.case-text p {
    color: var(--text-dim);
    margin-bottom: 1rem;
    line-height: 1.8;
}

.case-press {
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border);
}

.press-label {
    font-size: 0.8rem;
    color: var(--text-dim);
    font-weight: 500;
    display: block;
    margin-bottom: 0.75rem;
}

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

.press-name {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--text);
    padding: 0.4rem 1rem;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    transition: var(--transition);
    text-decoration: none;
    display: inline-block;
}

.press-name:hover {
    border-color: var(--accent-1);
    background: rgba(99, 102, 241, 0.1);
    color: var(--text-bright);
    transform: translateY(-1px);
}

.case-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.case-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 2rem;
    transition: var(--transition);
    position: relative;
}

.case-card:hover {
    border-color: var(--border-hover);
    background: var(--bg-card-hover);
    transform: translateY(-2px);
}

.case-icon {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.case-card h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-bright);
    margin-bottom: 0.75rem;
}

.case-card p {
    font-size: 0.9rem;
    color: var(--text-dim);
    line-height: 1.7;
    margin-bottom: 1rem;
}

.case-duration {
    font-family: var(--mono);
    font-size: 0.75rem;
    color: var(--accent-2);
    font-weight: 500;
}

/* AI Consulting */
.consulting-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.consulting-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 2.5rem;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.consulting-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 3px;
    height: 0;
    background: var(--gradient);
    transition: height 0.4s ease;
}

.consulting-card:hover::before {
    height: 100%;
}

.consulting-card:hover {
    border-color: var(--border-hover);
    background: var(--bg-card-hover);
    transform: translateY(-2px);
}

.consulting-number {
    font-family: var(--mono);
    font-size: 2.5rem;
    font-weight: 800;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    opacity: 0.3;
    margin-bottom: 1rem;
}

.consulting-card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-bright);
    margin-bottom: 0.75rem;
}

.consulting-card p {
    font-size: 0.9rem;
    color: var(--text-dim);
    line-height: 1.7;
}

.consulting-cta {
    text-align: center;
    padding: 3rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
}

.consulting-cta p {
    font-size: 1.2rem;
    color: var(--text);
    margin-bottom: 1.5rem;
    font-weight: 500;
}

/* WNC Section */
#wnc {
    border-top: 1px solid var(--border);
}

.wnc-content {
    max-width: 700px;
}

.wnc-content h2 {
    font-size: clamp(1.8rem, 3vw, 2.5rem);
    font-weight: 800;
    color: var(--text-bright);
    margin-bottom: 1.25rem;
    line-height: 1.2;
}

.wnc-content p {
    color: var(--text-dim);
    margin-bottom: 1rem;
    line-height: 1.8;
}

/* Contact */
#contact {
    padding-bottom: 4rem;
}

.contact-grid {
    margin-top: 2rem;
}

.contact-info {
    display: flex;
    gap: 3rem;
    flex-wrap: wrap;
}

.contact-item {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.contact-label {
    font-family: var(--mono);
    font-size: 0.75rem;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.contact-item a,
.contact-item span {
    color: var(--text-bright);
    text-decoration: none;
    font-size: 1.1rem;
    font-weight: 500;
    transition: var(--transition);
}

.contact-item a:hover {
    color: var(--accent-2);
}

/* Footer */
footer {
    position: relative;
    z-index: 1;
    border-top: 1px solid var(--border);
    padding: 2rem 0;
}

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

.footer-name {
    font-weight: 600;
    color: var(--text-dim);
    font-size: 0.9rem;
}

.footer-tagline {
    font-size: 0.85rem;
    color: var(--text-dim);
    font-style: italic;
}

/* Contact Page */
.contact-page {
    padding-top: 10rem;
    min-height: 100vh;
}

.contact-page-grid {
    display: grid;
    grid-template-columns: 1.4fr 0.6fr;
    gap: 3rem;
    align-items: start;
}

.contact-form {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 2.5rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 0.5rem;
}

.form-group .optional {
    color: var(--text-dim);
    font-weight: 400;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.85rem 1rem;
    font-size: 0.95rem;
    font-family: var(--font);
    color: var(--text-bright);
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    transition: var(--transition);
    outline: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-dim);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--accent-1);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form-group select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%238888a0' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
    cursor: pointer;
}

.form-group select option {
    background: var(--bg-card);
    color: var(--text);
}

.form-group textarea {
    resize: vertical;
    min-height: 140px;
}

.btn-full {
    width: 100%;
    justify-content: center;
}

.contact-sidebar {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.sidebar-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.5rem;
}

.sidebar-card h3 {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--text-bright);
    margin-bottom: 0.5rem;
}

.sidebar-card a {
    color: var(--accent-2);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

.sidebar-card a:hover {
    color: var(--accent-1);
}

.sidebar-card p {
    color: var(--text-dim);
    font-size: 0.9rem;
    line-height: 1.7;
}

.sidebar-card .text-dim {
    font-size: 0.8rem;
}

.form-status {
    margin-top: 1rem;
    padding: 0;
    font-size: 0.9rem;
    font-weight: 500;
    text-align: center;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.form-status.success {
    padding: 1rem;
    color: #34d399;
    background: rgba(52, 211, 153, 0.08);
    border: 1px solid rgba(52, 211, 153, 0.2);
}

.form-status.error {
    padding: 1rem;
    color: #f87171;
    background: rgba(248, 113, 113, 0.08);
    border: 1px solid rgba(248, 113, 113, 0.2);
}

.nav-active {
    color: var(--text-bright) !important;
}

.nav-active::after {
    width: 100% !important;
}

/* ============================================
   Responsive
   ============================================ */

@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-sub {
        margin-left: auto;
        margin-right: auto;
    }

    .hero-actions {
        justify-content: center;
    }

    .hero-image {
        order: -1;
    }

    .image-frame {
        width: 280px;
        height: 320px;
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .expertise-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .nav-toggle {
        display: flex;
    }

    section {
        padding: 4rem 0;
    }

    .expertise-grid {
        grid-template-columns: 1fr;
    }

    .case-grid {
        grid-template-columns: 1fr;
    }

    .consulting-grid {
        grid-template-columns: 1fr;
    }

    .case-study.featured {
        padding: 2rem;
    }

    .contact-page-grid {
        grid-template-columns: 1fr;
    }

    .contact-page {
        padding-top: 7rem;
    }

    .footer-inner {
        flex-direction: column;
        gap: 0.5rem;
        text-align: center;
    }

    .about-stats {
        grid-template-columns: 1fr 1fr;
    }

    .press-logos {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1.25rem;
    }

    .hero-text h1 {
        font-size: 2rem;
    }

    .about-stats {
        grid-template-columns: 1fr;
    }
}

/* ============================================
   Animations
   ============================================ */

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}