/* ============================================
   BRIGHTLY.AI - Design System & Styles
   ============================================ */

/* CSS Variables */
:root {
    /* Primary Colors */
    --primary: #7B3F7D;
    --primary-light: #9B5A9D;
    --primary-dark: #5C2E5E;
    
    /* Accent - Subtle warm gold */
    --accent: #C9A86C;
    --accent-light: #D4BA8A;
    
    /* Backgrounds */
    --bg-dark: #080810;
    --bg-card: #0F0F18;
    --bg-elevated: #18182A;
    
    /* Text */
    --text-primary: #FFFFFF;
    --text-secondary: #A0A0B8;
    --text-muted: #6B6B80;
    
    /* Borders */
    --border: rgba(255, 255, 255, 0.08);
    --border-light: rgba(255, 255, 255, 0.12);
    
    /* Spacing */
    --section-padding: 120px;
    --container-max: 1200px;
    
    /* Typography */
    --font-sans: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-serif: 'Playfair Display', Georgia, serif;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

html {
    scroll-behavior: smooth;
    font-size: 18px;
}

body {
    font-family: var(--font-sans);
    background: 
        radial-gradient(ellipse 80% 60% at 50% -20%, rgba(90, 50, 90, 0.15), transparent 60%),
        linear-gradient(to bottom, #08080C, var(--bg-dark) 40%);
    background-attachment: fixed;
    color: var(--text-secondary);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    color: var(--text-primary);
    font-weight: 500;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

h1 {
    font-size: clamp(3rem, 7vw, 5rem);
    font-weight: 400;
}

h2 {
    font-size: clamp(2.25rem, 5vw, 3.5rem);
}

h3 {
    font-size: 1.75rem;
}

.highlight {
    color: var(--primary-light);
    font-family: var(--font-serif);
    font-style: italic;
}

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

/* Section Styles */
section {
    padding: var(--section-padding) 0;
}

.section-header {
    margin-bottom: 80px;
}

.section-label {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--primary-light);
    margin-bottom: 20px;
}

/* ============================================
   Navigation
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 20px 0;
    transition: all var(--transition-base);
}

.navbar.scrolled {
    background: rgba(10, 10, 15, 0.9);
    backdrop-filter: blur(20px);
    padding: 16px 0;
    border-bottom: 1px solid var(--border);
}

.nav-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo img {
    height: 53px;
    width: auto;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 40px;
    list-style: none;
}

.nav-links a {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: color var(--transition-fast);
}

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

.nav-cta {
    padding: 10px 24px !important;
    background: var(--primary);
    border-radius: 6px;
    color: var(--text-primary) !important;
}

.nav-cta:hover {
    background: var(--primary-light) !important;
}

.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.mobile-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: all var(--transition-fast);
}

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

.hero-bg {
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(ellipse 80% 50% at 50% -10%, rgba(123, 63, 125, 0.15), transparent),
        radial-gradient(ellipse 60% 40% at 80% 60%, rgba(123, 63, 125, 0.08), transparent);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 900px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    padding: 8px 16px;
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: 100px;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 32px;
}

.hero-badge::before {
    content: '';
    width: 8px;
    height: 8px;
    background: var(--primary);
    border-radius: 50%;
    margin-right: 10px;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.6; transform: scale(1.2); }
}

.hero h1 {
    margin-bottom: 28px;
}

.hero-subtitle {
    font-size: 1.4rem;
    max-width: 650px;
    margin-bottom: 48px;
    color: var(--text-secondary);
    line-height: 1.8;
}

.hero-cta {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.hero-scroll {
    position: absolute;
    bottom: 48px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    color: var(--text-muted);
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.scroll-line {
    width: 1px;
    height: 48px;
    background: linear-gradient(to bottom, var(--primary), transparent);
    animation: scrollLine 2s ease-in-out infinite;
}

@keyframes scrollLine {
    0%, 100% { transform: scaleY(1); opacity: 1; }
    50% { transform: scaleY(0.5); opacity: 0.5; }
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 16px 32px;
    font-size: 0.95rem;
    font-weight: 500;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    transition: all var(--transition-base);
}

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

.btn-primary:hover {
    background: var(--primary-light);
    transform: translateY(-2px);
}

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

.btn-ghost:hover {
    background: var(--bg-card);
    border-color: var(--border-light);
}

.btn-full {
    width: 100%;
}

/* ============================================
   Services Section
   ============================================ */
.services {
    background: var(--bg-dark);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.service-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 40px;
    transition: all var(--transition-base);
}

.service-card:hover {
    border-color: var(--primary);
    transform: translateY(-4px);
}

.service-icon {
    width: 56px;
    height: 56px;
    margin-bottom: 28px;
    color: var(--primary-light);
}

.service-card h3 {
    margin-bottom: 16px;
}

.service-card p {
    margin-bottom: 24px;
    font-size: 0.95rem;
}

.service-features {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.service-features li {
    font-size: 0.85rem;
    color: var(--text-muted);
    padding-left: 20px;
    position: relative;
}

.service-features li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    width: 6px;
    height: 6px;
    background: var(--accent);
    border-radius: 50%;
}

/* ============================================
   Approach Section
   ============================================ */
.approach {
    background: var(--bg-card);
}

.approach-steps {
    display: grid;
    gap: 0;
}

.approach-step {
    display: grid;
    grid-template-columns: 100px 1fr;
    gap: 48px;
    padding: 48px 0;
    border-bottom: 1px solid var(--border);
}

.approach-step:last-child {
    border-bottom: none;
}

.step-number {
    font-size: 4rem;
    font-weight: 300;
    color: var(--primary);
    line-height: 1;
    opacity: 0.6;
}

.step-content h3 {
    margin-bottom: 12px;
    font-size: 1.75rem;
}

.step-content p {
    max-width: 600px;
}

/* ============================================
   About Section
   ============================================ */
.about {
    background: var(--bg-dark);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-content h2 {
    margin-bottom: 32px;
}

.about-content p {
    margin-bottom: 20px;
}

.about-stats {
    display: flex;
    gap: 48px;
    margin-top: 48px;
    padding-top: 48px;
    border-top: 1px solid var(--border);
}

.stat {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 500;
    color: var(--text-primary);
    line-height: 1;
}

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

.about-visual {
    display: flex;
    justify-content: center;
}

.visual-card {
    width: 100%;
    aspect-ratio: 1;
    max-width: 400px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 24px;
    overflow: hidden;
    position: relative;
}

.visual-pattern {
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(circle at 30% 30%, var(--primary) 2px, transparent 2px),
        radial-gradient(circle at 70% 60%, var(--primary) 2px, transparent 2px),
        radial-gradient(circle at 50% 80%, var(--primary) 2px, transparent 2px),
        radial-gradient(circle at 20% 70%, var(--primary) 2px, transparent 2px),
        radial-gradient(circle at 80% 30%, var(--primary) 2px, transparent 2px);
    background-size: 100% 100%;
    opacity: 0.4;
}

.visual-pattern::before {
    content: '';
    position: absolute;
    inset: 0;
    background: 
        linear-gradient(45deg, transparent 40%, rgba(123, 63, 125, 0.1) 50%, transparent 60%),
        linear-gradient(-45deg, transparent 40%, rgba(123, 63, 125, 0.1) 50%, transparent 60%);
    animation: shimmer 8s ease-in-out infinite;
}

@keyframes shimmer {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 0.8; }
}

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

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
}

.contact-content h2 {
    margin-bottom: 24px;
}

.contact-content p {
    margin-bottom: 40px;
    max-width: 400px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.contact-link {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

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

.contact-link-value {
    font-size: 1.25rem;
    color: var(--text-primary);
}

.contact-link:hover .contact-link-value {
    color: var(--primary-light);
}

/* Form Styles */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

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

.form-group label {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.form-group input,
.form-group textarea {
    padding: 16px;
    background: var(--bg-dark);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 1rem;
    transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* ============================================
   Footer
   ============================================ */
.footer {
    background: var(--bg-dark);
    padding: 60px 0 30px;
    border-top: 1px solid var(--border);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
}

.footer-logo {
    height: 28px;
    margin-bottom: 12px;
}

.footer-brand p {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.footer-location {
    font-size: 0.8rem;
    margin-top: 8px;
}

.footer-links {
    display: flex;
    gap: 32px;
}

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

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

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid var(--border);
}

.footer-bottom p {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* ============================================
   Scroll Reveal Animations
   ============================================ */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 1024px) {
    :root {
        --section-padding: 80px;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
        max-width: 600px;
    }
    
    .about-grid {
        grid-template-columns: 1fr;
        gap: 60px;
    }
    
    .about-visual {
        order: -1;
    }
    
    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: 60px;
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: 60px;
    }
    
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        background: var(--bg-dark);
        padding: 24px;
        gap: 24px;
        border-bottom: 1px solid var(--border);
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .mobile-toggle {
        display: flex;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .hero-cta .btn {
        width: 100%;
    }
    
    .approach-step {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .step-number {
        font-size: 2.5rem;
    }
    
    .about-stats {
        flex-direction: column;
        gap: 24px;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 32px;
        text-align: center;
    }
    
    .footer-links {
        flex-wrap: wrap;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .section-header {
        margin-bottom: 48px;
    }
    
    .service-card {
        padding: 28px;
    }
    
    .hero-scroll {
        display: none;
    }
}