/* ===================================
   Bayan Holding Group
   Desert Modern Design System
   =================================== */

:root {
    /* Desert Color Palette */
    --sand: #f5efe6;
    --sand-light: #faf8f4;
    --sand-dark: #e8dfd0;
    --cream: #fffcf5;
    --terracotta: #c17f59;
    --terracotta-light: #d4966f;
    --terracotta-dark: #a66b48;
    
    /* Primary Colors */
    --navy: #1a2744;
    --navy-light: #2a3a5c;
    --navy-dark: #0f1829;
    
    /* Neutrals */
    --white: #ffffff;
    --black: #0a0a0a;
    --gray-100: #f7f7f7;
    --gray-200: #e5e5e5;
    --gray-300: #cccccc;
    --gray-400: #999999;
    --gray-500: #666666;
    --gray-600: #444444;
    
    /* Typography */
    --font-serif: 'Playfair Display', Georgia, serif;
    --font-sans: 'DM Sans', -apple-system, sans-serif;
    
    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2.5rem;
    --space-xl: 4rem;
    --space-2xl: 6rem;
    --space-3xl: 10rem;
    
    /* Transitions */
    --transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.2s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    background: var(--cream);
    color: var(--gray-600);
    line-height: 1.7;
    overflow-x: hidden;
}

/* Cursor Glow Effect */
.cursor-glow {
    position: fixed;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(193, 127, 89, 0.08) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
    z-index: 9999;
    transform: translate(-50%, -50%);
    transition: transform 0.1s ease;
}

/* Navigation */
#navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: var(--space-md) 0;
    background: transparent;
    transition: var(--transition);
}

#navbar.scrolled {
    background: rgba(255, 252, 245, 0.95);
    backdrop-filter: blur(20px);
    box-shadow: 0 2px 40px rgba(26, 39, 68, 0.05);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    flex-direction: column;
    text-decoration: none;
}

.logo-text {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--navy);
    letter-spacing: 0.1em;
    line-height: 1;
}

.logo-sub {
    font-size: 0.5rem;
    font-weight: 500;
    color: var(--terracotta);
    letter-spacing: 0.3em;
    text-transform: uppercase;
    margin-top: 2px;
}

.nav-menu {
    display: flex;
    gap: var(--space-xl);
}

.nav-link {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--gray-500);
    text-decoration: none;
    position: relative;
    transition: var(--transition);
}

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

.nav-link:hover,
.nav-link.active {
    color: var(--navy);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.nav-cta {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--navy);
    text-decoration: none;
    padding: var(--space-sm) var(--space-md);
    border: 1px solid var(--navy);
    transition: var(--transition);
}

.nav-cta svg {
    width: 16px;
    height: 16px;
    transition: var(--transition);
}

.nav-cta:hover {
    background: var(--navy);
    color: var(--white);
}

.nav-cta:hover svg {
    transform: translateX(4px);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

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

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 140px var(--space-lg) var(--space-xl);
    position: relative;
    overflow: hidden;
}

.hero-decor {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.decor-circle {
    position: absolute;
    border-radius: 50%;
    border: 1px solid rgba(193, 127, 89, 0.15);
}

.decor-circle-1 {
    width: 600px;
    height: 600px;
    top: -200px;
    right: -100px;
}

.decor-circle-2 {
    width: 400px;
    height: 400px;
    bottom: -100px;
    left: -100px;
}

.decor-line {
    position: absolute;
    background: linear-gradient(to bottom, transparent, rgba(193, 127, 89, 0.1), transparent);
}

.decor-line-1 {
    width: 1px;
    height: 300px;
    left: 10%;
    top: 20%;
}

.decor-line-2 {
    width: 1px;
    height: 400px;
    right: 15%;
    bottom: 10%;
}

.decor-pattern {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    height: 100%;
    background-image: radial-gradient(circle at 1px 1px, rgba(193, 127, 89, 0.05) 1px, transparent 0);
    background-size: 40px 40px;
}

.hero-content {
    max-width: 1400px;
    margin: 0 auto;
    width: 100%;
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: var(--space-2xl);
    align-items: center;
    position: relative;
}

.hero-label {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-md);
}

.label-line {
    width: 40px;
    height: 1px;
    background: var(--terracotta);
}

.label-text {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--terracotta);
    text-transform: uppercase;
    letter-spacing: 0.2em;
}

.hero-title {
    font-family: var(--font-serif);
    font-size: clamp(3rem, 6vw, 5rem);
    font-weight: 500;
    color: var(--navy);
    line-height: 1.1;
    margin-bottom: var(--space-md);
}

.hero-title em {
    font-style: italic;
    color: var(--terracotta);
}

.hero-text {
    font-size: 1.125rem;
    color: var(--gray-500);
    max-width: 500px;
    margin-bottom: var(--space-lg);
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-lg);
    font-family: var(--font-sans);
    font-size: 0.9375rem;
    font-weight: 500;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: var(--transition);
}

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

.btn-primary:hover {
    background: var(--navy-light);
}

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

.btn-outline:hover {
    background: var(--navy);
    color: var(--white);
}

.btn-white {
    background: var(--white);
    color: var(--navy);
}

.btn-white:hover {
    background: var(--sand);
}

.btn-arrow {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
}

.btn-arrow svg {
    width: 16px;
    height: 16px;
    transition: var(--transition);
}

.btn:hover .btn-arrow svg {
    transform: translateX(4px);
}

/* Hero Stats */
.hero-stats {
    display: flex;
    gap: var(--space-lg);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--sand-dark);
}

.stat {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--navy);
}

.stat-label {
    font-size: 0.75rem;
    color: var(--gray-400);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.stat-divider {
    width: 1px;
    background: var(--sand-dark);
}

/* Hero Visual */
.hero-visual {
    position: relative;
}

.visual-frame {
    position: relative;
    aspect-ratio: 1;
    max-width: 500px;
    margin: 0 auto;
}

.frame-inner {
    position: absolute;
    inset: 20px;
    background: linear-gradient(135deg, var(--sand) 0%, var(--sand-light) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
}

.frame-corner {
    position: absolute;
    width: 40px;
    height: 40px;
    border: 2px solid var(--terracotta);
}

.frame-corner-tl { top: 0; left: 0; border-right: none; border-bottom: none; }
.frame-corner-tr { top: 0; right: 0; border-left: none; border-bottom: none; }
.frame-corner-bl { bottom: 0; left: 0; border-right: none; border-top: none; }
.frame-corner-br { bottom: 0; right: 0; border-left: none; border-top: none; }

.geometric-art {
    position: relative;
    width: 200px;
    height: 200px;
}

.geo-shape {
    position: absolute;
    border: 1px solid var(--terracotta);
    opacity: 0.3;
}

.geo-1 {
    width: 100%;
    height: 100%;
    transform: rotate(45deg);
}

.geo-2 {
    width: 70%;
    height: 70%;
    top: 15%;
    left: 15%;
    transform: rotate(22.5deg);
}

.geo-3 {
    width: 40%;
    height: 40%;
    top: 30%;
    left: 30%;
    border-radius: 50%;
}

.geo-center {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80px;
    height: 80px;
    background: var(--navy);
    display: flex;
    align-items: center;
    justify-content: center;
}

.geo-letter {
    font-family: var(--font-serif);
    font-size: 2.5rem;
    font-weight: 600;
    color: var(--white);
}

.hero-scroll {
    position: absolute;
    bottom: var(--space-xl);
    left: var(--space-lg);
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.hero-scroll span {
    font-size: 0.75rem;
    color: var(--gray-400);
    text-transform: uppercase;
    letter-spacing: 0.15em;
}

.scroll-line {
    width: 60px;
    height: 1px;
    background: linear-gradient(to right, var(--terracotta), transparent);
}

/* Sections */
.section {
    padding: var(--space-3xl) var(--space-lg);
    position: relative;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
}

.section-label {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--terracotta);
    text-transform: uppercase;
    letter-spacing: 0.2em;
    margin-bottom: var(--space-sm);
}

.section-title {
    font-family: var(--font-serif);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 500;
    color: var(--navy);
    line-height: 1.2;
    margin-bottom: var(--space-md);
}

.section-title em {
    font-style: italic;
    color: var(--terracotta);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--gray-500);
    max-width: 600px;
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-2xl);
}

.section-header .section-subtitle {
    margin: 0 auto;
}

.section-text {
    font-size: 1.0625rem;
    color: var(--gray-500);
    margin-bottom: var(--space-md);
    line-height: 1.8;
}

/* Mission Section */
.mission-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
    align-items: center;
}

.mission-values {
    margin-top: var(--space-xl);
}

.value-item {
    display: flex;
    gap: var(--space-md);
    padding: var(--space-md) 0;
    border-bottom: 1px solid var(--sand-dark);
}

.value-item:last-child {
    border-bottom: none;
}

.value-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--sand);
    flex-shrink: 0;
}

.value-icon svg {
    width: 24px;
    height: 24px;
    color: var(--terracotta);
}

.value-info h4 {
    font-family: var(--font-serif);
    font-size: 1.125rem;
    color: var(--navy);
    margin-bottom: 4px;
}

.value-info p {
    font-size: 0.875rem;
    color: var(--gray-400);
}

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

.visual-card {
    position: relative;
    max-width: 450px;
    padding: var(--space-xl);
}

.card-bg {
    position: absolute;
    inset: 0;
    background: var(--sand);
    transform: rotate(3deg);
}

.card-content {
    position: relative;
    background: var(--navy);
    padding: var(--space-xl);
}

.card-content blockquote {
    font-family: var(--font-serif);
    font-size: 1.75rem;
    font-style: italic;
    color: var(--white);
    line-height: 1.4;
    margin-bottom: var(--space-lg);
}

.card-footer {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.footer-line {
    width: 30px;
    height: 1px;
    background: var(--terracotta);
}

.footer-text {
    font-size: 0.75rem;
    color: var(--gray-300);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* Services Section */
.services-section {
    background: var(--sand-light);
}

.section-bg {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.bg-gradient {
    position: absolute;
    top: 0;
    right: 0;
    width: 60%;
    height: 100%;
    background: linear-gradient(to left, rgba(193, 127, 89, 0.05), transparent);
}

.bg-pattern {
    position: absolute;
    inset: 0;
    background-image: radial-gradient(circle at 1px 1px, rgba(26, 39, 68, 0.03) 1px, transparent 0);
    background-size: 30px 30px;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-md);
    position: relative;
}

.service-card {
    background: var(--white);
    padding: var(--space-xl);
    border: 1px solid transparent;
    transition: var(--transition);
    position: relative;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 0;
    height: 3px;
    background: var(--terracotta);
    transition: var(--transition);
}

.service-card:hover {
    border-color: var(--sand-dark);
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(26, 39, 68, 0.08);
}

.service-card:hover::before {
    width: 100%;
}

.card-number {
    font-family: var(--font-serif);
    font-size: 2.5rem;
    color: var(--sand-dark);
    line-height: 1;
    margin-bottom: var(--space-md);
}

.card-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--sand);
    margin-bottom: var(--space-md);
}

.card-icon svg {
    width: 24px;
    height: 24px;
    color: var(--terracotta);
}

.card-title {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    color: var(--navy);
    margin-bottom: var(--space-sm);
}

.card-text {
    font-size: 0.9375rem;
    color: var(--gray-400);
    margin-bottom: var(--space-md);
}

.card-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--terracotta);
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    transition: var(--transition);
}

.card-link svg {
    width: 14px;
    height: 14px;
    transition: var(--transition);
}

.card-link:hover svg {
    transform: translateX(4px);
}

/* Why Section */
.why-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: var(--space-2xl);
    align-items: start;
}

.why-items {
    margin-top: var(--space-lg);
}

.why-item {
    display: flex;
    gap: var(--space-md);
    padding: var(--space-md) 0;
}

.item-marker {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--sand);
    flex-shrink: 0;
}

.item-marker span {
    font-family: var(--font-serif);
    font-size: 1rem;
    color: var(--terracotta);
}

.item-content h4 {
    font-family: var(--font-serif);
    font-size: 1.125rem;
    color: var(--navy);
    margin-bottom: 4px;
}

.item-content p {
    font-size: 0.9375rem;
    color: var(--gray-400);
}

.stats-card {
    background: var(--white);
    border: 1px solid var(--sand-dark);
    overflow: hidden;
}

.stats-header {
    background: var(--navy);
    padding: var(--space-md);
}

.stats-label {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--white);
    text-transform: uppercase;
    letter-spacing: 0.15em;
}

.stats-body {
    padding: var(--space-lg);
}

.stat-row {
    display: flex;
    justify-content: space-between;
    padding: var(--space-sm) 0;
    border-bottom: 1px solid var(--sand);
}

.stat-row:last-child {
    border-bottom: none;
}

.stat-key {
    font-size: 0.875rem;
    color: var(--gray-400);
}

.stat-value {
    font-family: var(--font-serif);
    font-size: 1rem;
    color: var(--navy);
    font-weight: 500;
}

/* CTA Section */
.cta-section {
    background: var(--navy);
    text-align: center;
    overflow: hidden;
}

.cta-bg {
    position: absolute;
    inset: 0;
}

.cta-pattern {
    position: absolute;
    inset: 0;
    background-image: radial-gradient(circle at 1px 1px, rgba(255, 255, 255, 0.05) 1px, transparent 0);
    background-size: 40px 40px;
}

.cta-content {
    position: relative;
}

.cta-title {
    font-family: var(--font-serif);
    font-size: clamp(2rem, 5vw, 3rem);
    color: var(--white);
    margin-bottom: var(--space-md);
}

.cta-title em {
    color: var(--terracotta-light);
}

.cta-text {
    font-size: 1.125rem;
    color: var(--gray-300);
    margin-bottom: var(--space-lg);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Footer */
.footer {
    background: var(--sand-light);
}

.footer-main {
    padding: var(--space-2xl) var(--space-lg);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.5fr;
    gap: var(--space-xl);
}

.footer-logo {
    display: flex;
    flex-direction: column;
    margin-bottom: var(--space-md);
}

.footer-tagline {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    font-style: italic;
    color: var(--terracotta);
    margin-bottom: var(--space-sm);
}

.footer-desc {
    font-size: 0.9375rem;
    color: var(--gray-400);
}

.footer h4 {
    font-family: var(--font-serif);
    font-size: 1rem;
    color: var(--navy);
    margin-bottom: var(--space-md);
}

.footer ul {
    list-style: none;
}

.footer ul li {
    margin-bottom: var(--space-sm);
}

.footer ul a {
    font-size: 0.9375rem;
    color: var(--gray-500);
    text-decoration: none;
    transition: var(--transition);
}

.footer ul a:hover {
    color: var(--terracotta);
}

.contact-items {
    margin-bottom: var(--space-md);
}

.contact-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.9375rem;
    color: var(--gray-500);
    margin-bottom: var(--space-sm);
}

.contact-item i {
    color: var(--terracotta);
    width: 16px;
}

.footer-social {
    display: flex;
    gap: var(--space-sm);
}

.social-link {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--sand);
    color: var(--navy);
    text-decoration: none;
    transition: var(--transition);
}

.social-link:hover {
    background: var(--terracotta);
    color: var(--white);
}

.footer-bottom {
    padding: var(--space-md) var(--space-lg);
    border-top: 1px solid var(--sand-dark);
}

.bottom-content {
    display: flex;
    justify-content: space-between;
    max-width: 1400px;
    margin: 0 auto;
}

.bottom-content p {
    font-size: 0.8125rem;
    color: var(--gray-400);
}

/* Page Header */
.page-header {
    padding: 180px var(--space-lg) var(--space-xl);
    text-align: center;
    background: var(--sand-light);
}

/* Responsive */
@media (max-width: 1200px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
    }
    
    .hero-right {
        display: none;
    }
    
    .mission-grid,
    .why-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--cream);
        flex-direction: column;
        padding: var(--space-lg);
        gap: var(--space-md);
        border-bottom: 1px solid var(--sand-dark);
    }
    
    .nav-menu.active {
        display: flex;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .nav-cta {
        display: none;
    }
    
    .hero-stats {
        flex-wrap: wrap;
        gap: var(--space-md);
    }
    
    .stat-divider {
        display: none;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .contact-item {
        justify-content: center;
    }
    
    .footer-social {
        justify-content: center;
    }
    
    .bottom-content {
        flex-direction: column;
        gap: var(--space-sm);
        text-align: center;
    }
}

/* Cursor Hidden on Mobile */
@media (hover: none) {
    .cursor-glow {
        display: none;
    }
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--sand-light);
}

::-webkit-scrollbar-thumb {
    background: var(--sand-dark);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--terracotta);
}

/* Selection */
::selection {
    background: var(--terracotta);
    color: var(--white);
}

/* Focus */
:focus-visible {
    outline: 2px solid var(--terracotta);
    outline-offset: 2px;
}