/* ============================================
   JewelStack - Luxury Premium Design System
   Inspired by jewelcommerce page
   ============================================ */

/* CSS Variables - Luxury Color Palette */
:root {
    --gold-primary: #C9A961;
    --gold-secondary: #D4AF37;
    --gold-accent: #F4D03F;
    --gold-light: #F7DC6F;
    --gold-dark: #B8943A;
    --deep-blue: #0F1419;
    --navy-blue: #1A1F3A;
    --sophisticated-gray: #5A5F6E;
    --light-gray: #FAFBFC;
    --warm-white: #FEFEFE;
    --white: #FFFFFF;
    --black: #000000;
    --text-dark: #1A1F3A;
    --text-medium: #3D4451;
    --text-light: #6B7280;
    --gradient-gold: linear-gradient(135deg, #C9A961 0%, #D4AF37 50%, #F4D03F 100%);
    --gradient-gold-subtle: linear-gradient(135deg, rgba(201, 169, 97, 0.1) 0%, rgba(212, 175, 55, 0.05) 100%);
    --gradient-blue: linear-gradient(135deg, #0F1419 0%, #1A1F3A 100%);
    
    --font-serif: 'Playfair Display', 'Georgia', serif;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    --spacing-2xl: 8rem;
    
    --transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --transition-fast: all 0.2s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08), 0 1px 2px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-gold: 0 4px 14px 0 rgba(212, 175, 55, 0.25);
}

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

/* Screen Reader Only */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* SEO: Improve link accessibility */
.nav-brand a {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    color: inherit;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    color: var(--text-dark);
    line-height: 1.7;
    background-color: var(--warm-white);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    font-feature-settings: "kern" 1;
    text-rendering: optimizeLegibility;
}

/* Premium Animation Classes */
.fade-in-up {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94),
                transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

.fade-in {
    opacity: 0;
    transition: opacity 1s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.fade-in.animate {
    opacity: 1;
}

.slide-in-left {
    opacity: 0;
    transform: translateX(-60px);
    transition: opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94),
                transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.slide-in-left.animate {
    opacity: 1;
    transform: translateX(0);
}

.slide-in-right {
    opacity: 0;
    transform: translateX(60px);
    transition: opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94),
                transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.slide-in-right.animate {
    opacity: 1;
    transform: translateX(0);
}

.scale-in {
    opacity: 0;
    transform: scale(0.9);
    transition: opacity 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94),
                transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.scale-in.animate {
    opacity: 1;
    transform: scale(1);
}

/* Text Reveal Animation */
.text-reveal {
    overflow: hidden;
}

.text-reveal span {
    display: inline-block;
    opacity: 0;
    transform: translateY(100%);
    transition: opacity 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94),
                transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.text-reveal.animate span {
    opacity: 1;
    transform: translateY(0);
}

/* Floating Animation */
@keyframes float {
    0%, 100% {
        transform: translateY(0px) rotate(0deg);
    }
    50% {
        transform: translateY(-20px) rotate(2deg);
    }
}

.floating {
    animation: float 6s ease-in-out infinite;
}

.floating-delayed {
    animation: float 6s ease-in-out infinite;
    animation-delay: 2s;
}

/* Shimmer Effect */
@keyframes shimmer {
    0% {
        background-position: -1000px 0;
    }
    100% {
        background-position: 1000px 0;
    }
}

.shimmer {
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.4),
        transparent
    );
    background-size: 1000px 100%;
    animation: shimmer 3s infinite;
}

/* Gradient Animation */
@keyframes gradient-shift {
    0%, 100% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
}

.gradient-animate {
    background-size: 200% 200%;
    animation: gradient-shift 8s ease infinite;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ============================================
   Navigation
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    box-shadow: 0 1px 0 rgba(0, 0, 0, 0.05);
    border-bottom: 1px solid rgba(212, 175, 55, 0.08);
    z-index: 1000;
    padding: 1.25rem 0;
    transition: var(--transition);
}

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

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--deep-blue);
}

.logo-icon {
    width: 32px;
    height: 32px;
    flex-shrink: 0;
    transition: var(--transition);
}

.logo-icon:hover {
    transform: rotate(15deg) scale(1.1);
}

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

.nav-byline {
    font-size: 0.75rem;
    color: var(--text-light);
    font-weight: 400;
    margin-left: var(--spacing-xs);
}

.nav-byline a {
    color: var(--text-light);
    text-decoration: none;
    transition: var(--transition-fast);
    border-bottom: 1px solid transparent;
}

.nav-byline a:hover {
    color: var(--gold-primary);
    border-bottom-color: var(--gold-primary);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-md);
    align-items: center;
}

.nav-menu a {
    text-decoration: none;
    color: var(--text-medium);
    font-weight: 500;
    font-size: 0.9375rem;
    letter-spacing: -0.01em;
    transition: var(--transition-fast);
    position: relative;
    padding: 0.5rem 0;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-gold);
    transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border-radius: 2px;
}

.nav-menu a:hover {
    color: var(--deep-blue);
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.nav-toggle span {
    width: 25px;
    height: 2px;
    background: var(--deep-blue);
    transition: var(--transition);
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding-top: 80px;
    overflow: hidden;
    background: 
        radial-gradient(circle at 20% 30%, rgba(201, 169, 97, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(26, 31, 58, 0.05) 0%, transparent 50%),
        linear-gradient(180deg, #FEFEFE 0%, #FAFBFC 100%);
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 50%, rgba(212, 175, 55, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 80% 80%, rgba(26, 31, 58, 0.1) 0%, transparent 50%);
    z-index: 0;
}

.floral-decoration {
    position: absolute;
    width: 200px;
    height: 200px;
    opacity: 0;
    z-index: 1;
    transition: opacity 1s ease-in-out;
    animation: fadeInFloral 2s ease-in-out forwards;
}

@keyframes fadeInFloral {
    to {
        opacity: 0.1;
    }
}

.floral-left {
    top: 10%;
    left: 5%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><path d="M50 10 Q30 30 20 50 Q30 70 50 90 Q70 70 80 50 Q70 30 50 10" fill="none" stroke="%23D4AF37" stroke-width="2"/></svg>') no-repeat center;
    background-size: contain;
    animation: fadeInFloral 2s ease-in-out 0.5s forwards, float 8s ease-in-out infinite;
}

.floral-right {
    bottom: 10%;
    right: 5%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><path d="M50 10 Q30 30 20 50 Q30 70 50 90 Q70 70 80 50 Q70 30 50 10" fill="none" stroke="%23D4AF37" stroke-width="2"/></svg>') no-repeat center;
    background-size: contain;
    animation: fadeInFloral 2s ease-in-out 0.8s forwards, float 8s ease-in-out 2s infinite;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
    padding: var(--spacing-lg) var(--spacing-md);
    opacity: 0;
    transform: translateY(30px);
    animation: heroFadeIn 1.2s cubic-bezier(0.25, 0.46, 0.45, 0.94) 0.3s forwards;
}

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

.hero-title {
    font-family: var(--font-serif);
    font-size: clamp(2.75rem, 6vw, 5rem);
    font-weight: 700;
    line-height: 1.15;
    margin-bottom: var(--spacing-md);
    color: var(--deep-blue);
    letter-spacing: -0.03em;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.02);
    overflow: hidden;
}

.hero-title br {
    display: block;
    margin: 0.5rem 0;
}

.hero-title .gradient-text {
    display: inline-block;
    opacity: 0;
    transform: translateY(20px);
    animation: revealGradientText 1s cubic-bezier(0.25, 0.46, 0.45, 0.94) 0.8s forwards;
}

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

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

.hero-subtitle {
    font-size: clamp(1.0625rem, 2vw, 1.3125rem);
    color: var(--text-medium);
    margin-bottom: var(--spacing-lg);
    line-height: 1.75;
    max-width: 780px;
    margin-left: auto;
    margin-right: auto;
    font-weight: 400;
    letter-spacing: -0.01em;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    padding: 1.125rem 2.75rem;
    font-size: 0.9375rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: 50px;
    transition: var(--transition);
    display: inline-block;
    border: 2px solid transparent;
    cursor: pointer;
    letter-spacing: 0.02em;
    font-family: var(--font-sans);
}

.btn-primary {
    background: var(--gradient-gold);
    color: var(--white);
    box-shadow: var(--shadow-gold);
    position: relative;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s;
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px 0 rgba(212, 175, 55, 0.35);
}

.btn-secondary {
    background: transparent;
    color: var(--deep-blue);
    border-color: rgba(26, 31, 58, 0.3);
    position: relative;
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.btn-secondary:hover {
    background: var(--deep-blue);
    color: var(--white);
    border-color: var(--deep-blue);
    box-shadow: var(--shadow-md);
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
}

.mouse {
    width: 24px;
    height: 40px;
    border: 2px solid var(--deep-blue);
    border-radius: 15px;
    position: relative;
}

.mouse::before {
    content: '';
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 8px;
    background: var(--deep-blue);
    border-radius: 2px;
    animation: scroll 2s infinite;
}

@keyframes scroll {
    0%, 100% { opacity: 1; transform: translateX(-50%) translateY(0); }
    50% { opacity: 0.5; transform: translateX(-50%) translateY(8px); }
}

/* ============================================
   Section Styles
   ============================================ */
section {
    padding: var(--spacing-xl) 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94),
                transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.section-header.animate {
    opacity: 1;
    transform: translateY(0);
}

.section-label {
    display: inline-block;
    font-size: 0.8125rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    color: var(--gold-primary);
    text-transform: uppercase;
    margin-bottom: 1rem;
    font-family: var(--font-sans);
    position: relative;
    padding-bottom: 0.5rem;
}

.section-label::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 1px;
    background: var(--gradient-gold);
}

.section-title {
    font-family: var(--font-serif);
    font-size: clamp(2.25rem, 4.5vw, 3.5rem);
    font-weight: 700;
    color: var(--deep-blue);
    margin-bottom: var(--spacing-sm);
    line-height: 1.15;
    letter-spacing: -0.02em;
}

.section-subtitle {
    font-size: clamp(1rem, 1.5vw, 1.1875rem);
    color: var(--text-medium);
    max-width: 720px;
    margin: 0 auto;
    line-height: 1.75;
    font-weight: 400;
}

/* ============================================
   About Section
   ============================================ */
.about {
    background: 
        linear-gradient(180deg, var(--light-gray) 0%, var(--warm-white) 100%);
    position: relative;
}

.about::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(201, 169, 97, 0.3), transparent);
}

.about-content {
    max-width: 1200px;
    margin: 0 auto;
}

.about-content-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: var(--spacing-xl);
    align-items: start;
}

.about-main {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.about-lead {
    font-size: 1.375rem;
    font-weight: 400;
    color: var(--text-dark);
    line-height: 1.7;
    font-family: var(--font-serif);
    letter-spacing: -0.01em;
}

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

.expertise-item {
    display: flex;
    gap: var(--spacing-md);
    align-items: flex-start;
    padding: var(--spacing-md);
    border-radius: 12px;
    transition: var(--transition);
    opacity: 0;
    transform: translateX(-20px);
}

.expertise-item.animate {
    opacity: 1;
    transform: translateX(0);
}

.expertise-item:hover {
    background: var(--gradient-gold-subtle);
    transform: translateX(8px);
}

.expertise-icon {
    width: 48px;
    height: 48px;
    flex-shrink: 0;
    color: var(--gold-primary);
    background: var(--gradient-gold-subtle);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 12px;
    transition: var(--transition);
}

.expertise-item:hover .expertise-icon {
    background: var(--gradient-gold);
    color: var(--white);
    transform: scale(1.1) rotate(5deg);
}

.expertise-item h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--deep-blue);
    margin-bottom: 0.25rem;
    font-family: var(--font-serif);
}

.expertise-item p {
    font-size: 0.9375rem;
    color: var(--text-medium);
    line-height: 1.6;
    margin: 0;
}

.about-stats {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: var(--white);
    border-radius: 20px;
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(201, 169, 97, 0.1);
    position: sticky;
    top: 120px;
}

.stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(201, 169, 97, 0.15);
    position: relative;
}

.stats::before {
    content: '';
    position: absolute;
    top: -1px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 2px;
    background: var(--gradient-gold);
}

.about-stats .stat-item {
    text-align: left;
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid rgba(201, 169, 97, 0.1);
}

.about-stats .stat-item:last-child {
    border-bottom: none;
}

.about-stats .stat-number {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.about-stats .stat-label {
    font-size: 0.875rem;
    text-align: left;
}

.stat-item {
    text-align: center;
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94),
                transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.stat-item.animate {
    opacity: 1;
    transform: translateY(0);
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    font-family: var(--font-serif);
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
    line-height: 1;
    letter-spacing: -0.02em;
}

.about-stats .stat-number {
    font-size: 2.75rem;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* ============================================
   Solutions Section
   ============================================ */
.solutions {
    background: var(--white);
}

.solutions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.solution-card {
    position: relative;
    background: var(--white);
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 1px solid rgba(201, 169, 97, 0.12);
    overflow: hidden;
    backdrop-filter: blur(10px);
    opacity: 0;
    transform: translateY(50px) scale(0.95);
}

.solution-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-gold);
    transform: scaleX(0);
    transition: var(--transition);
}

.solution-card.animate {
    opacity: 1;
    transform: translateY(0) scale(1);
}

.solution-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: var(--shadow-xl);
    border-color: rgba(201, 169, 97, 0.25);
}

.solution-card-featured {
    border-color: rgba(201, 169, 97, 0.2);
}

.ai-search-highlight {
    margin: var(--spacing-sm) 0;
    padding: 0.875rem;
    background: var(--gradient-gold-subtle);
    border-radius: 10px;
    border-left: 2px solid var(--gold-primary);
}

.ai-search-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    background: var(--gradient-gold);
    color: var(--white);
    padding: 0.375rem 0.75rem;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    letter-spacing: 0.02em;
}

.ai-search-badge svg {
    width: 14px;
    height: 14px;
}

.ai-search-description {
    font-size: 0.875rem;
    color: var(--text-medium);
    line-height: 1.6;
    margin-bottom: 0.5rem;
}

.search-example-inline {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.75rem;
    background: var(--white);
    border-radius: 6px;
    border: 1px solid rgba(201, 169, 97, 0.2);
    font-size: 0.8125rem;
    margin-bottom: 0.5rem;
}

.search-example-text {
    color: var(--text-dark);
    font-weight: 500;
}

.ai-badge-small {
    background: var(--gradient-gold);
    color: var(--white);
    padding: 0.15rem 0.5rem;
    border-radius: 4px;
    font-size: 0.625rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.learn-more-link {
    display: inline-block;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--gold-primary);
    text-decoration: none;
    transition: var(--transition-fast);
    margin-top: 0.25rem;
}

.learn-more-link:hover {
    color: var(--gold-dark);
    transform: translateX(4px);
}

.solution-card:hover::before {
    transform: scaleX(1);
}

.solution-frame {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border: 2px solid transparent;
    border-radius: 16px;
    pointer-events: none;
    opacity: 0;
    transition: var(--transition);
}

.solution-card:hover .solution-frame {
    opacity: 0.3;
    border-color: var(--gold-primary);
}

.solution-icon {
    width: 56px;
    height: 56px;
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gold-primary);
    background: var(--gradient-gold-subtle);
    border-radius: 12px;
    padding: 12px;
    transition: var(--transition);
}

.solution-card:hover .solution-icon {
    transform: scale(1.1) rotate(5deg);
    background: var(--gradient-gold);
    color: var(--white);
}

.solution-title {
    font-family: var(--font-serif);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--deep-blue);
    margin-bottom: var(--spacing-xs);
}

.solution-subtitle {
    font-size: 1rem;
    color: var(--gold-primary);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.solution-description {
    font-size: 1rem;
    line-height: 1.75;
    color: var(--text-medium);
    margin-bottom: var(--spacing-md);
    font-weight: 400;
}

.solution-features {
    list-style: none;
    padding: 0;
}

.solution-features li {
    padding: 0.625rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--text-medium);
    font-size: 0.9375rem;
    line-height: 1.6;
    transition: var(--transition-fast);
}

.solution-card:hover .solution-features li {
    color: var(--text-dark);
    padding-left: 1.75rem;
}

.solution-features li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.75rem;
    width: 6px;
    height: 6px;
    background: var(--gradient-gold);
    border-radius: 50%;
    transform: scale(0);
    transition: var(--transition);
}

.solution-card:hover .solution-features li::before {
    transform: scale(1);
}

.solution-cta {
    width: 100%;
    margin-top: var(--spacing-md);
    padding: 0.875rem 1.5rem;
    font-size: 0.9375rem;
}

/* ============================================
   AI Search Feature Section
   ============================================ */
.ai-search-feature {
    background: var(--light-gray);
    padding: var(--spacing-xl) 0;
    position: relative;
}

.ai-search-content {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: var(--spacing-xl);
    align-items: start;
    margin-top: var(--spacing-lg);
}

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

.ai-feature-item {
    display: flex;
    gap: var(--spacing-md);
    align-items: flex-start;
    padding: var(--spacing-md);
    background: var(--white);
    border-radius: 16px;
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(201, 169, 97, 0.1);
    transition: var(--transition);
    opacity: 0;
    transform: translateX(-20px);
}

.ai-feature-item.animate {
    opacity: 1;
    transform: translateX(0);
}

.ai-feature-item:hover {
    transform: translateX(8px);
    box-shadow: var(--shadow-md);
    border-color: rgba(201, 169, 97, 0.2);
}

.ai-feature-icon {
    width: 56px;
    height: 56px;
    flex-shrink: 0;
    color: var(--gold-primary);
    background: var(--gradient-gold-subtle);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 12px;
    transition: var(--transition);
}

.ai-feature-item:hover .ai-feature-icon {
    background: var(--gradient-gold);
    color: var(--white);
    transform: scale(1.1) rotate(5deg);
}

.ai-feature-item h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--deep-blue);
    margin-bottom: 0.5rem;
    font-family: var(--font-serif);
}

.ai-feature-item p {
    font-size: 0.9375rem;
    color: var(--text-medium);
    line-height: 1.7;
    margin: 0;
}

.ai-search-visual {
    position: relative;
}

.search-demo {
    background: var(--white);
    border-radius: 20px;
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(201, 169, 97, 0.15);
    position: sticky;
    top: 120px;
}

.search-bar-demo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 1rem 1.25rem;
    background: var(--light-gray);
    border-radius: 12px;
    border: 2px solid rgba(201, 169, 97, 0.2);
    margin-bottom: var(--spacing-md);
    transition: var(--transition);
}

.search-bar-demo:hover {
    border-color: var(--gold-primary);
    box-shadow: 0 0 0 4px rgba(201, 169, 97, 0.1);
}

.search-bar-demo svg {
    color: var(--text-light);
    flex-shrink: 0;
}

.search-text {
    flex: 1;
    font-size: 0.9375rem;
    color: var(--text-dark);
    font-weight: 500;
}

.ai-badge {
    background: var(--gradient-gold);
    color: var(--white);
    padding: 0.25rem 0.75rem;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.search-results-demo {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.result-item {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
    padding: var(--spacing-md);
    background: var(--light-gray);
    border-radius: 12px;
    transition: var(--transition);
}

.result-item:hover {
    background: var(--gradient-gold-subtle);
    transform: translateX(4px);
}

.result-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.result-text {
    flex: 1;
}

.result-title {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--deep-blue);
    margin-bottom: 0.25rem;
}

.result-price {
    font-size: 1rem;
    font-weight: 700;
    color: var(--gold-primary);
    font-family: var(--font-serif);
}

/* ============================================
   Modal Styles
   ============================================ */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 10000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.modal.active {
    display: flex;
    opacity: 1;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
}

.modal-content {
    position: relative;
    background: var(--white);
    border-radius: 20px;
    max-width: 600px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-xl);
    transform: scale(0.9) translateY(20px);
    transition: transform 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    z-index: 1;
}

.modal.active .modal-content {
    transform: scale(1) translateY(0);
}

.modal-close {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: none;
    background: var(--light-gray);
    color: var(--text-dark);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
    z-index: 10;
}

.modal-close:hover {
    background: var(--gradient-gold);
    color: var(--white);
    transform: rotate(90deg);
}

.modal-header {
    padding: 2.5rem 2.5rem 1.5rem;
    border-bottom: 1px solid rgba(201, 169, 97, 0.1);
}

.modal-title {
    font-family: var(--font-serif);
    font-size: 2rem;
    font-weight: 700;
    color: var(--deep-blue);
    margin-bottom: 0.5rem;
    letter-spacing: -0.02em;
}

.modal-subtitle {
    font-size: 0.9375rem;
    color: var(--text-medium);
    line-height: 1.6;
}

.demo-form {
    padding: 2rem 2.5rem 2.5rem;
}

.demo-form .form-group {
    margin-bottom: var(--spacing-md);
}

.demo-form label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.demo-form input,
.demo-form textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 1.5px solid rgba(201, 169, 97, 0.2);
    border-radius: 10px;
    font-family: var(--font-sans);
    font-size: 0.9375rem;
    transition: var(--transition-fast);
    background: var(--white);
    color: var(--text-dark);
}

.demo-form input:focus,
.demo-form textarea:focus {
    outline: none;
    border-color: var(--gold-primary);
    box-shadow: 0 0 0 4px rgba(201, 169, 97, 0.08);
}

.demo-form input:invalid:not(:placeholder-shown),
.demo-form textarea:invalid:not(:placeholder-shown) {
    border-color: #e74c3c;
}

.form-actions {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-lg);
}

.form-actions .btn {
    flex: 1;
}

.modal-cancel {
    background: transparent;
    color: var(--text-medium);
    border-color: rgba(201, 169, 97, 0.3);
}

.modal-cancel:hover {
    background: var(--light-gray);
    color: var(--text-dark);
    border-color: rgba(201, 169, 97, 0.3);
}

.form-message {
    margin-top: var(--spacing-md);
    padding: 1rem;
    border-radius: 8px;
    font-size: 0.875rem;
    display: none;
}

.form-message.success {
    display: block;
    background: rgba(40, 167, 69, 0.1);
    color: #28a745;
    border: 1px solid rgba(40, 167, 69, 0.2);
}

.form-message.error {
    display: block;
    background: rgba(231, 76, 60, 0.1);
    color: #e74c3c;
    border: 1px solid rgba(231, 76, 60, 0.2);
}

.form-message.loading {
    display: block;
    background: var(--gradient-gold-subtle);
    color: var(--text-dark);
    border: 1px solid rgba(201, 169, 97, 0.2);
}

#submitBtn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* ============================================
   Clients Section
   ============================================ */
.clients {
    background: var(--warm-white);
    position: relative;
}

.clients-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
    align-items: center;
}

.client-item {
    text-align: center;
    padding: 2.5rem 2rem;
    background: var(--white);
    border-radius: 16px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 1px solid rgba(201, 169, 97, 0.08);
    position: relative;
    overflow: hidden;
    opacity: 0;
    transform: scale(0.9);
    text-decoration: none;
    color: inherit;
    display: block;
}

.client-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-gold);
    transform: scaleX(0);
    transition: var(--transition);
}

.client-item.animate {
    opacity: 1;
    transform: scale(1);
}

.client-item:hover {
    transform: translateY(-6px) scale(1.05);
    box-shadow: var(--shadow-lg);
    border-color: rgba(201, 169, 97, 0.2);
}

.client-item:hover::before {
    transform: scaleX(1);
}

.client-logo {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--deep-blue);
    margin-bottom: var(--spacing-xs);
    min-height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-serif);
    letter-spacing: 0.02em;
    transition: var(--transition);
}

.client-name {
    font-size: 0.8125rem;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 0.12em;
    font-weight: 500;
    margin-top: 0.5rem;
}

/* ============================================
   Contact Section
   ============================================ */
.contact {
    background: var(--light-gray);
    position: relative;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--spacing-xl);
    margin-top: var(--spacing-lg);
}

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

.contact-item {
    display: flex;
    gap: var(--spacing-md);
    align-items: flex-start;
}

.contact-icon {
    width: 48px;
    height: 48px;
    flex-shrink: 0;
    color: var(--gold-primary);
    background: var(--gradient-gold-subtle);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 12px;
    transition: var(--transition);
}

.contact-item:hover .contact-icon {
    background: var(--gradient-gold);
    color: var(--white);
    transform: scale(1.1);
}

.contact-item h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--deep-blue);
    margin-bottom: 0.5rem;
    font-family: var(--font-serif);
}

.contact-item p {
    color: var(--text-medium);
    line-height: 1.7;
    font-size: 0.9375rem;
}

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

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

.form-group input,
.form-group textarea {
    padding: 1.125rem 1.25rem;
    border: 1.5px solid rgba(201, 169, 97, 0.2);
    border-radius: 12px;
    font-family: var(--font-sans);
    font-size: 0.9375rem;
    transition: var(--transition-fast);
    background: var(--white);
    color: var(--text-dark);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-light);
    opacity: 0.7;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--gold-primary);
    box-shadow: 0 0 0 4px rgba(201, 169, 97, 0.08);
    background: var(--warm-white);
}

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

.field-error {
    display: none;
    color: #e74c3c;
    font-size: 0.8125rem;
    margin-top: 0.25rem;
    font-weight: 500;
}

.form-group input:invalid:not(:placeholder-shown) ~ .field-error,
.form-group textarea:invalid:not(:placeholder-shown) ~ .field-error {
    display: block;
}

.contact-form .form-message {
    margin-top: var(--spacing-md);
    margin-bottom: 0;
}

/* ============================================
   Footer
   ============================================ */
.footer {
    background: var(--deep-blue);
    color: var(--white);
    padding: var(--spacing-xl) 0 var(--spacing-md);
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-lg);
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: 600;
}

.footer-logo .logo-icon {
    width: 32px;
    height: 32px;
    opacity: 0.9;
}

.footer-byline {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.7);
}

.footer-byline a,
.footer-text a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: var(--transition-fast);
    border-bottom: 1px solid transparent;
}

.footer-byline a:hover,
.footer-text a:hover {
    color: var(--gold-primary);
    border-bottom-color: var(--gold-primary);
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

.footer-column h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--gold-primary);
}

.footer-column a {
    display: block;
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    margin-bottom: var(--spacing-xs);
    transition: var(--transition);
}

.footer-column a:hover {
    color: var(--gold-primary);
    padding-left: 4px;
}

.footer-bottom {
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.footer-text {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.7);
}

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        flex-direction: column;
        background: var(--white);
        width: 100%;
        padding: var(--spacing-md);
        box-shadow: var(--shadow-lg);
        transition: var(--transition);
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-toggle {
        display: flex;
    }

    .hero-title {
        font-size: 2rem;
    }

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

    .hero-buttons {
        flex-direction: column;
        align-items: stretch;
    }

    .btn {
        text-align: center;
    }

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

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

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

    .footer-content {
        grid-template-columns: 1fr;
    }

    .footer-links {
        grid-template-columns: 1fr;
    }

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

    .about-content-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    .about-stats {
        position: static;
        margin-top: var(--spacing-md);
    }

    .about-lead {
        font-size: 1.25rem;
    }

    .ai-search-highlight {
        padding: 0.75rem;
    }

    .ai-search-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    .search-demo {
        position: static;
        margin-top: var(--spacing-md);
    }

    section {
        padding: var(--spacing-lg) 0;
    }

    .modal-content {
        max-width: 100%;
        margin: var(--spacing-sm);
    }

    .modal-header {
        padding: 2rem 1.5rem 1rem;
    }

    .demo-form {
        padding: 1.5rem;
    }

    .form-actions {
        flex-direction: column;
    }

    .form-actions .btn {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .clients-grid {
        grid-template-columns: 1fr;
    }

    .hero-content {
        padding: var(--spacing-md) var(--spacing-sm);
    }
}