/* ============================================
   Civil AI Consulting — Remotion-Inspired Theme
   Dark background (#0a0a0a) + Gold (#c9a962)
   ============================================ */

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

:root {
    --bg: #0a0a0a;
    --bg-alt: #111111;
    --bg-card: #161616;
    --bg-card-hover: #1c1c1c;
    --gold: #c9a962;
    --gold-light: #e8d5a3;
    --gold-dark: #a08340;
    --gold-glow: rgba(201, 169, 98, 0.15);
    --gold-glow-strong: rgba(201, 169, 98, 0.3);
    --text: #ffffff;
    --text-muted: #a0a0a0;
    --text-subtle: #666666;
    --border: rgba(255, 255, 255, 0.08);
    --border-gold: rgba(201, 169, 98, 0.2);
    --radius: 12px;
    --radius-lg: 20px;
    --transition: 0.4s cubic-bezier(0.22, 1, 0.36, 1);
    --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

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

body {
    font-family: var(--font);
    font-weight: 300;
    color: var(--text);
    background: var(--bg);
    line-height: 1.7;
    overflow-x: hidden;
}

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

a:hover {
    color: var(--gold-light);
}

/* --- Particle Canvas --- */
#particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
}

/* --- Container --- */
.container {
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 24px;
}

/* --- Gold utility --- */
.gold {
    color: var(--gold);
}

.gold-text {
    color: var(--gold);
}

/* ============================================
   Navigation
   ============================================ */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 0 24px;
    transition: all var(--transition);
    background: transparent;
}

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

.nav-inner {
    max-width: 1140px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.nav-logo {
    text-decoration: none;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--text);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 36px;
}

.nav-links a {
    color: var(--text-muted);
    font-size: 0.9rem;
    font-weight: 400;
    letter-spacing: 0.02em;
    transition: color var(--transition);
}

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

.nav-cta {
    background: var(--gold) !important;
    color: var(--bg) !important;
    padding: 10px 24px;
    border-radius: 8px;
    font-weight: 500 !important;
    transition: all var(--transition) !important;
}

.nav-cta:hover {
    background: var(--gold-light) !important;
    transform: translateY(-1px);
    box-shadow: 0 4px 20px var(--gold-glow);
}

.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: all 0.3s;
    border-radius: 2px;
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 120px 24px 80px;
    text-align: center;
    z-index: 1;
}

.hero-glow {
    position: absolute;
    top: 20%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--gold-glow) 0%, transparent 70%);
    filter: blur(80px);
    pointer-events: none;
    z-index: -1;
}

.hero-label {
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.2em;
    color: var(--gold);
    margin-bottom: 24px;
    text-transform: uppercase;
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin-bottom: 24px;
    max-width: 800px;
}

.hero-subtitle {
    font-size: 1.2rem;
    font-weight: 300;
    color: var(--text-muted);
    max-width: 640px;
    margin: 0 auto 40px;
    line-height: 1.8;
}

.hero-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    font-family: var(--font);
    font-size: 1rem;
    font-weight: 500;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    transition: all var(--transition);
    text-decoration: none;
}

.btn-primary {
    background: var(--gold);
    color: var(--bg);
}

.btn-primary:hover {
    background: var(--gold-light);
    color: var(--bg);
    transform: translateY(-2px);
    box-shadow: 0 8px 30px var(--gold-glow-strong);
}

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

.btn-outline:hover {
    border-color: var(--gold);
    color: var(--gold);
    transform: translateY(-2px);
}

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

/* --- Hero Stats --- */
.hero-stats {
    display: flex;
    align-items: center;
    gap: 48px;
    margin-top: 80px;
    padding: 32px 48px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(10px);
}

.stat {
    text-align: center;
}

.stat-value {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--gold);
    letter-spacing: -0.02em;
}

.stat-unit {
    font-size: 2rem;
    font-weight: 700;
    color: var(--gold);
}

.stat-label {
    display: block;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 4px;
    font-weight: 400;
}

.stat-divider {
    width: 1px;
    height: 48px;
    background: var(--border);
}

/* ============================================
   Transition Section
   ============================================ */
.transition-section {
    padding: 100px 24px;
    position: relative;
    z-index: 1;
}

.transition-content {
    max-width: 720px;
    margin: 0 auto;
    text-align: center;
}

.transition-text {
    font-size: 1.25rem;
    font-weight: 300;
    line-height: 1.9;
    color: var(--text-muted);
    margin-bottom: 24px;
}

.transition-text:last-child {
    margin-bottom: 0;
}

/* ============================================
   Section Base
   ============================================ */
.section {
    padding: 120px 24px;
    position: relative;
    z-index: 1;
}

.section-dark {
    background: var(--bg-alt);
}

.section-label {
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.2em;
    color: var(--gold);
    text-transform: uppercase;
    margin-bottom: 16px;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 24px;
    line-height: 1.2;
}

.section-subtitle {
    font-size: 1.1rem;
    font-weight: 300;
    color: var(--text-muted);
    max-width: 600px;
    margin-bottom: 64px;
    line-height: 1.8;
}

/* ============================================
   Pillars (Approach)
   ============================================ */
.pillars {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    margin-top: 64px;
}

.pillar {
    padding: 40px 32px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    transition: all var(--transition);
    position: relative;
    overflow: hidden;
}

.pillar::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--gold), transparent);
    opacity: 0;
    transition: opacity var(--transition);
}

.pillar:hover {
    border-color: var(--border-gold);
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
}

.pillar:hover::before {
    opacity: 1;
}

.pillar-number {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--gold);
    letter-spacing: 0.1em;
    margin-bottom: 20px;
}

.pillar-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gold-glow);
    border: 1px solid var(--border-gold);
    border-radius: 12px;
    color: var(--gold);
    margin-bottom: 24px;
}

.pillar-title {
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 16px;
    letter-spacing: -0.01em;
}

.pillar-description {
    font-size: 0.95rem;
    color: var(--text-muted);
    line-height: 1.7;
}

/* ============================================
   Capabilities Grid
   ============================================ */
.capabilities-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 48px;
}

.capability-card {
    padding: 32px 28px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    transition: all var(--transition);
}

.capability-card:hover {
    border-color: var(--border-gold);
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
}

.capability-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
}

.capability-icon {
    font-size: 1.5rem;
}

.capability-count {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--gold);
    letter-spacing: -0.02em;
}

.capability-card h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 10px;
    letter-spacing: -0.01em;
}

.capability-card p {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.6;
}

/* ============================================
   About Section
   ============================================ */
.about-layout {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 64px;
    align-items: start;
    margin-top: 48px;
}

.about-lead {
    font-size: 1.2rem;
    font-weight: 400;
    color: var(--text);
    line-height: 1.8;
    margin-bottom: 32px;
}

.founder-card {
    padding: 32px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    margin-bottom: 32px;
    position: relative;
    overflow: hidden;
}

.founder-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(to bottom, var(--gold), transparent);
}

.founder-info h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 4px;
}

.founder-role {
    font-size: 0.9rem;
    color: var(--gold);
    margin-bottom: 16px;
    font-weight: 400;
}

.founder-bio {
    font-size: 0.95rem;
    color: var(--text-muted);
    line-height: 1.7;
    margin-bottom: 12px;
}

.founder-bio:last-child {
    margin-bottom: 0;
}

.about-tagline {
    font-size: 1.05rem;
    color: var(--text-muted);
    line-height: 1.8;
}

/* --- Credentials sidebar --- */
.about-credentials {
    display: flex;
    flex-direction: column;
    gap: 20px;
    position: sticky;
    top: 100px;
}

.credential {
    padding: 24px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    text-align: center;
    transition: all var(--transition);
}

.credential:hover {
    border-color: var(--border-gold);
}

.credential-value {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: var(--gold);
    letter-spacing: -0.02em;
    margin-bottom: 4px;
}

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

/* ============================================
   Differences Section
   ============================================ */
.differences {
    display: flex;
    flex-direction: column;
    gap: 24px;
    margin-top: 48px;
    max-width: 800px;
}

.difference {
    padding: 36px 40px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    transition: all var(--transition);
    position: relative;
    overflow: hidden;
}

.difference:hover {
    border-color: var(--border-gold);
    transform: translateX(4px);
}

.difference-accent {
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    width: 3px;
    background: var(--gold);
    opacity: 0;
    transition: opacity var(--transition);
}

.difference:hover .difference-accent {
    opacity: 1;
}

.difference h3 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 12px;
    letter-spacing: -0.01em;
}

.difference p {
    font-size: 0.95rem;
    color: var(--text-muted);
    line-height: 1.7;
}

/* ============================================
   Contact Section
   ============================================ */
.section-contact {
    background: var(--bg);
}

.contact-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: start;
}

.contact-description {
    font-size: 1.1rem;
    color: var(--text-muted);
    line-height: 1.8;
    margin-top: 8px;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-muted);
    letter-spacing: 0.02em;
}

.form-group input,
.form-group textarea {
    padding: 14px 16px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text);
    font-family: var(--font);
    font-size: 0.95rem;
    font-weight: 300;
    transition: all var(--transition);
    outline: none;
}

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

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

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

/* ============================================
   Footer
   ============================================ */
.footer {
    padding: 48px 24px 32px;
    border-top: 1px solid var(--border);
    position: relative;
    z-index: 1;
}

.footer-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 32px;
}

.footer-tagline {
    font-size: 0.85rem;
    color: var(--text-subtle);
    margin-top: 4px;
}

.footer-links {
    display: flex;
    gap: 24px;
}

.footer-links a {
    color: var(--text-muted);
    font-size: 0.9rem;
    font-weight: 400;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 24px;
    border-top: 1px solid var(--border);
}

.footer-bottom p {
    font-size: 0.8rem;
    color: var(--text-subtle);
}

/* ============================================
   Scroll Reveal Animations
   ============================================ */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s cubic-bezier(0.22, 1, 0.36, 1),
        transform 0.8s cubic-bezier(0.22, 1, 0.36, 1);
}

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

.reveal-delay-1 {
    transition-delay: 0.15s;
}

.reveal-delay-2 {
    transition-delay: 0.3s;
}

/* ============================================
   Service Sections
   ============================================ */
.service-section {
    padding: 120px 24px;
    position: relative;
    z-index: 1;
}

.service-section-alt {
    background: var(--bg-alt);
}

.service-split {
    display: grid;
    grid-template-columns: 340px 1fr;
    gap: 80px;
    align-items: start;
}

.service-label-col {
    position: sticky;
    top: 100px;
}

.service-num {
    display: block;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--gold);
    letter-spacing: 0.2em;
    margin-bottom: 16px;
}

.service-heading {
    font-size: 2rem;
    font-weight: 700;
    letter-spacing: -0.03em;
    line-height: 1.2;
}

.service-label-note {
    margin-top: 16px;
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.6;
}

.service-detail-col {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.service-item {
    padding: 40px 0;
    border-bottom: 1px solid var(--border);
}

.service-item:first-child {
    padding-top: 0;
}

.service-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.service-item h3 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 12px;
    letter-spacing: -0.01em;
}

.service-item p {
    font-size: 1rem;
    color: var(--text-muted);
    line-height: 1.8;
    max-width: 600px;
}

/* Compact grid for Project Admin */
.service-grid-compact {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
}

.service-grid-compact .service-item {
    padding: 32px 32px 32px 0;
    border-bottom: 1px solid var(--border);
}

.service-grid-compact .service-item:nth-child(even) {
    padding-left: 32px;
    padding-right: 0;
    border-left: 1px solid var(--border);
}

.service-grid-compact .service-item:nth-last-child(-n+2) {
    border-bottom: none;
}

.service-grid-compact .service-item h3 {
    font-size: 1.05rem;
}

.service-grid-compact .service-item p {
    font-size: 0.9rem;
    line-height: 1.7;
}

/* ============================================
   Three Pillars
   ============================================ */
.pillars-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 48px;
    margin-top: 48px;
}

.pillar-item {
    padding: 40px 0;
    border-top: 1px solid var(--border);
}

.pillar-num {
    display: block;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--gold);
    letter-spacing: 0.2em;
    margin-bottom: 20px;
}

.pillar-item h3 {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 16px;
}

.pillar-item p {
    font-size: 0.95rem;
    color: var(--text-muted);
    line-height: 1.8;
}

/* ============================================
   About Section
   ============================================ */
.about-layout {
    display: grid;
    grid-template-columns: 240px 1fr;
    gap: 64px;
    align-items: start;
    margin-top: 48px;
}

.about-photo {
    position: sticky;
    top: 100px;
}

.headshot {
    width: 100%;
    border-radius: var(--radius-lg);
    filter: grayscale(20%);
}

.about-bio h3 {
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 4px;
}

.about-role {
    font-size: 0.95rem;
    color: var(--gold);
    margin-bottom: 24px;
}

.about-bio p {
    font-size: 1rem;
    color: var(--text-muted);
    line-height: 1.8;
    margin-bottom: 16px;
}

.about-bio p:last-child {
    margin-bottom: 0;
}



/* ============================================
   Counter Animation
   ============================================ */
@keyframes countUp {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-width: 968px) {
    .service-split {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .service-label-col {
        position: static;
    }

    .service-grid-compact {
        grid-template-columns: 1fr;
    }

    .service-grid-compact .service-item:nth-child(even) {
        padding-left: 0;
        border-left: none;
    }

    .service-grid-compact .service-item {
        padding: 28px 0;
    }

    .about-layout {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .about-photo {
        position: static;
        max-width: 200px;
    }

    .pillars-row {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .contact-layout {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .service-section {
        padding: 80px 24px;
    }
}

@media (max-width: 640px) {
    .nav-links {
        display: none;
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        background: rgba(10, 10, 10, 0.95);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 32px 24px;
        gap: 20px;
        border-bottom: 1px solid var(--border);
    }

    .nav-links.open {
        display: flex;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }

    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }

    .hero-title {
        font-size: 2.2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .section {
        padding: 80px 20px;
    }

    .service-section {
        padding: 64px 20px;
    }

    .service-heading {
        font-size: 1.5rem;
    }

    .footer-inner {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }

    .footer-links {
        flex-wrap: wrap;
        justify-content: center;
    }
}