/* ========================================
   AIPLEM - Unified Styles
   Light/Dark Mode with Theme Switcher
   Electric Blue accent
   Font: Plus Jakarta Sans
   ======================================== */

/* ========================================
   CSS Variables - Light Theme (default)
   ======================================== */
:root {
    /* Light Theme Colors */
    --color-bg: #ffffff;
    --color-bg-elevated: #f8fafc;
    --color-bg-card: #ffffff;
    --color-bg-input: #f1f5f9;
    --color-bg-nav: rgba(255, 255, 255, 0.9);
    --color-bg-mobile-menu: #ffffff;
    
    --color-text: #0f172a;
    --color-text-secondary: #475569;
    --color-text-muted: #94a3b8;
    
    /* Electric Blue Accent */
    --color-accent: #2563eb;
    --color-accent-hover: #3b82f6;
    --color-accent-light: #dbeafe;
    --color-accent-soft: rgba(37, 99, 235, 0.08);
    --color-accent-glow: rgba(37, 99, 235, 0.25);
    
    /* Secondary */
    --color-secondary: #0ea5e9;
    --color-success: #10b981;
    
    --color-border: #e2e8f0;
    --color-border-hover: #cbd5e1;
    
    /* Hero background */
    --hero-bg-opacity: 0.5;
    
    /* Shadows - Light */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -1px rgba(0, 0, 0, 0.04);
    --shadow-lg: 0 10px 25px -5px rgba(0, 0, 0, 0.08), 0 8px 10px -6px rgba(0, 0, 0, 0.04);
    --shadow-xl: 0 20px 40px -10px rgba(0, 0, 0, 0.1);
    --shadow-accent: 0 4px 20px rgba(37, 99, 235, 0.2);
    
    /* Image frame */
    --image-frame-shadow: var(--shadow-xl), 0 0 0 1px var(--color-border);
    
    /* Footer */
    --footer-bg: #0f172a;
    --footer-text: rgba(255, 255, 255, 0.7);
    --footer-text-muted: rgba(255, 255, 255, 0.5);
    --footer-border: rgba(255, 255, 255, 0.1);
    --footer-social-bg: rgba(255, 255, 255, 0.1);
    
    /* Gradienty */
    --gradient-text: linear-gradient(135deg, #2563eb 0%, #0ea5e9 100%);
    --gradient-hero: linear-gradient(135deg, #eff6ff 0%, #f0f9ff 50%, #ffffff 100%);
    --gradient-card: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
    
    /* Gallery caption */
    --gallery-caption-bg: linear-gradient(to top, rgba(15, 23, 42, 0.9), transparent);
    --gallery-caption-color: white;
    
    /* Font */
    --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'JetBrains Mono', 'SF Mono', Consolas, monospace;
    
    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;
    
    /* Border radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-2xl: 24px;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms ease;
    --transition-theme: 300ms ease;
    
    /* Container */
    --container-max: 1200px;
    --container-padding: 1.5rem;
}

/* ========================================
   Dark Theme
   ======================================== */
[data-theme="dark"] {
    --color-bg: #0f172a;
    --color-bg-elevated: #1e293b;
    --color-bg-card: #1e293b;
    --color-bg-input: #0f172a;
    --color-bg-nav: rgba(15, 23, 42, 0.9);
    --color-bg-mobile-menu: #0f172a;
    
    --color-text: #f1f5f9;
    --color-text-secondary: #94a3b8;
    --color-text-muted: #64748b;
    
    --color-accent: #3b82f6;
    --color-accent-hover: #60a5fa;
    --color-accent-light: rgba(59, 130, 246, 0.15);
    --color-accent-soft: rgba(59, 130, 246, 0.1);
    --color-accent-glow: rgba(59, 130, 246, 0.3);
    
    --color-border: #334155;
    --color-border-hover: #475569;
    
    --hero-bg-opacity: 0.6;
    
    /* Shadows - Dark */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -1px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 10px 25px -5px rgba(0, 0, 0, 0.4), 0 8px 10px -6px rgba(0, 0, 0, 0.2);
    --shadow-xl: 0 20px 40px -10px rgba(0, 0, 0, 0.5);
    --shadow-accent: 0 4px 20px rgba(59, 130, 246, 0.3);
    
    --image-frame-shadow: var(--shadow-xl), 0 0 60px var(--color-accent-glow);
    
    --footer-bg: #020617;
    
    --gradient-hero: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #0f172a 100%);
    --gradient-card: linear-gradient(135deg, #1e293b 0%, rgba(59, 130, 246, 0.05) 100%);
    
    --gallery-caption-bg: linear-gradient(to top, rgba(15, 23, 42, 0.95), transparent);
    --gallery-caption-color: var(--color-text-secondary);
}

/* Auto dark mode based on system preference (when no explicit theme is set) */
@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) {
        --color-bg: #0f172a;
        --color-bg-elevated: #1e293b;
        --color-bg-card: #1e293b;
        --color-bg-input: #0f172a;
        --color-bg-nav: rgba(15, 23, 42, 0.9);
        --color-bg-mobile-menu: #0f172a;
        
        --color-text: #f1f5f9;
        --color-text-secondary: #94a3b8;
        --color-text-muted: #64748b;
        
        --color-accent: #3b82f6;
        --color-accent-hover: #60a5fa;
        --color-accent-light: rgba(59, 130, 246, 0.15);
        --color-accent-soft: rgba(59, 130, 246, 0.1);
        --color-accent-glow: rgba(59, 130, 246, 0.3);
        
        --color-border: #334155;
        --color-border-hover: #475569;
        
        --hero-bg-opacity: 0.6;
        
        --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.2);
        --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -1px rgba(0, 0, 0, 0.2);
        --shadow-lg: 0 10px 25px -5px rgba(0, 0, 0, 0.4), 0 8px 10px -6px rgba(0, 0, 0, 0.2);
        --shadow-xl: 0 20px 40px -10px rgba(0, 0, 0, 0.5);
        --shadow-accent: 0 4px 20px rgba(59, 130, 246, 0.3);
        
        --image-frame-shadow: var(--shadow-xl), 0 0 60px var(--color-accent-glow);
        
        --footer-bg: #020617;
        
        --gradient-hero: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #0f172a 100%);
        --gradient-card: linear-gradient(135deg, #1e293b 0%, rgba(59, 130, 246, 0.05) 100%);
        
        --gallery-caption-bg: linear-gradient(to top, rgba(15, 23, 42, 0.95), transparent);
        --gallery-caption-color: var(--color-text-secondary);
    }
}

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
    max-width: 100%;
}

body {
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg);
    overflow-x: hidden;
    width: 100%;
    max-width: 100vw;
    min-width: 0;
    transition: background-color var(--transition-theme), color var(--transition-theme);
}

/* Global overflow prevention */
html, body {
    overflow-x: hidden;
}

section, header, footer, nav, main, article, aside, div {
    max-width: 100%;
}

/* Prevent long text from causing overflow */
p, h1, h2, h3, h4, h5, h6, li, span, a, label, blockquote {
    overflow-wrap: break-word;
    word-wrap: break-word;
    word-break: break-word;
    hyphens: auto;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }

section, header, footer, nav {
    max-width: 100vw;
    overflow-x: hidden;
}

.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    width: 100%;
    min-width: 0;
    box-sizing: border-box;
}

/* ========================================
   Theme Toggle Button
   ======================================== */
.theme-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-lg);
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
    flex-shrink: 0;
}

.theme-toggle:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
    background: var(--color-accent-soft);
}

.theme-toggle svg {
    width: 20px;
    height: 20px;
    transition: transform var(--transition-base);
}

.theme-toggle:hover svg {
    transform: rotate(15deg);
}

/* Icon visibility */
.theme-toggle .icon-sun,
.theme-toggle .icon-moon {
    display: none;
}

/* Light mode: show moon (to switch to dark) */
:root:not([data-theme="dark"]) .theme-toggle .icon-moon {
    display: block;
}

[data-theme="light"] .theme-toggle .icon-moon {
    display: block;
}

[data-theme="light"] .theme-toggle .icon-sun {
    display: none;
}

/* Dark mode: show sun (to switch to light) */
[data-theme="dark"] .theme-toggle .icon-sun {
    display: block;
}

[data-theme="dark"] .theme-toggle .icon-moon {
    display: none;
}

/* System preference dark */
@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) .theme-toggle .icon-sun {
        display: block;
    }
    :root:not([data-theme="light"]) .theme-toggle .icon-moon {
        display: none;
    }
}

/* ========================================
   Navigation
   ======================================== */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: var(--space-md) 0;
    background: var(--color-bg);
    border-bottom: 1px solid transparent;
    transition: border-color var(--transition-base), box-shadow var(--transition-base), background-color var(--transition-theme);
}

.nav.scrolled {
    border-bottom-color: var(--color-border);
    box-shadow: var(--shadow-sm);
}

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

.logo-text {
    font-size: 1.375rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

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

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

.nav-cta {
    padding: var(--space-sm) var(--space-lg) !important;
    background: var(--color-accent);
    color: white !important;
    border-radius: var(--radius-full);
    font-weight: 600;
    transition: all var(--transition-fast);
}

.nav-cta:hover {
    background: var(--color-accent-hover);
    box-shadow: var(--shadow-accent);
    transform: translateY(-1px);
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: var(--space-sm);
    cursor: pointer;
    z-index: 1001;
    -webkit-tap-highlight-color: transparent;
    background: none;
    border: none;
    outline: none;
}

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

/* ========================================
   Hero Section
   ======================================== */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
    padding: calc(80px + var(--space-3xl)) 0 var(--space-3xl);
    overflow: hidden;
    max-width: 100vw;
    width: 100%;
    background: var(--gradient-hero);
    transition: background var(--transition-theme);
}

.hero-bg {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
}

.hero-bg::before {
    content: '';
    position: absolute;
    top: -20%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--color-accent-light) 0%, transparent 70%);
    opacity: var(--hero-bg-opacity);
    animation: float 20s ease-in-out infinite;
}

.hero-bg::after {
    content: '';
    position: absolute;
    bottom: -10%;
    left: -10%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(14, 165, 233, 0.1) 0%, transparent 70%);
    animation: float 15s ease-in-out infinite reverse;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(20px, -20px) scale(1.05); }
}

.hero-content {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4xl);
    align-items: start;
    position: relative;
    z-index: 1;
}

.hero-subtitle {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--color-accent);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    margin-bottom: var(--space-md);
    animation: fadeInUp 0.6s ease forwards;
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    font-weight: 600;
}

.hero-subtitle::before {
    content: '';
    width: 32px;
    height: 3px;
    background: var(--gradient-text);
    border-radius: 3px;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 3.75rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--space-lg);
    animation: fadeInUp 0.6s ease 0.1s forwards;
    opacity: 0;
    letter-spacing: -0.03em;
    color: var(--color-text);
    transition: color var(--transition-theme);
}

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

.hero-description {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    max-width: 500px;
    margin-bottom: var(--space-xl);
    animation: fadeInUp 0.6s ease 0.2s forwards;
    opacity: 0;
    line-height: 1.7;
    transition: color var(--transition-theme);
}

.hero-buttons {
    display: flex;
    gap: var(--space-md);
    margin-bottom: var(--space-2xl);
    animation: fadeInUp 0.6s ease 0.3s forwards;
    opacity: 0;
}

.hero-stats {
    display: flex;
    gap: var(--space-2xl);
    animation: fadeInUp 0.6s ease 0.4s forwards;
    opacity: 0;
}

.stat {
    position: relative;
    padding-left: var(--space-md);
}

.stat::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--gradient-text);
    border-radius: 3px;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    display: block;
    letter-spacing: -0.02em;
    color: var(--color-text);
    transition: color var(--transition-theme);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    font-weight: 500;
    transition: color var(--transition-theme);
}

.hero-image {
    position: relative;
    animation: fadeIn 0.8s ease 0.3s forwards;
    opacity: 0;
    align-self: start;
    margin-top: 0;
}

.image-frame {
    width: 100%;
    max-width: 400px;
    margin: 0 auto;
    border-radius: var(--radius-2xl);
    overflow: hidden;
    background: var(--color-bg-card);
    box-shadow: var(--image-frame-shadow);
    position: relative;
    border: 1px solid var(--color-border);
    transition: box-shadow var(--transition-theme), background-color var(--transition-theme), border-color var(--transition-theme);
}

.image-frame::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-text);
    z-index: 1;
}

.image-frame img {
    width: 100%;
    aspect-ratio: 3 / 4;
    object-fit: cover;
    object-position: top center;
}

.scroll-indicator {
    position: absolute;
    bottom: var(--space-xl);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    color: var(--color-text-muted);
    font-size: 0.75rem;
    font-weight: 500;
    animation: bounce 2s ease-in-out infinite;
    transition: color var(--transition-theme);
}

@keyframes bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(8px); }
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* ========================================
   Buttons
   ======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    font-size: 0.9375rem;
    font-weight: 600;
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.btn-primary {
    background: var(--color-accent);
    color: white;
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
    background: var(--color-accent-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-accent);
}

.btn-secondary {
    background: var(--color-bg-card);
    color: var(--color-text);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-fast), background-color var(--transition-theme), border-color var(--transition-theme);
}

.btn-secondary:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
    background: var(--color-accent-soft);
}

.btn-outline {
    background: transparent;
    color: var(--color-accent);
    border: 2px solid var(--color-accent);
}

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

.btn-full { width: 100%; }

/* ========================================
   Sections
   ======================================== */
.section {
    padding: var(--space-4xl) 0;
    transition: background-color var(--transition-theme);
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-3xl);
}

.section-tag {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--color-accent);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    padding: var(--space-xs) var(--space-md);
    background: var(--color-accent-light);
    border-radius: var(--radius-full);
    margin-bottom: var(--space-md);
    font-weight: 600;
    transition: background-color var(--transition-theme), color var(--transition-theme);
}

.section-title {
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 800;
    margin-bottom: var(--space-md);
    letter-spacing: -0.02em;
    color: var(--color-text);
    transition: color var(--transition-theme);
}

.section-description {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.7;
    transition: color var(--transition-theme);
}

/* ========================================
   About Section
   ======================================== */
.about {
    background: var(--color-bg-elevated);
    position: relative;
}

.about::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-border), transparent);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4xl);
    align-items: start;
}

.about-text .lead {
    font-size: 1.25rem;
    color: var(--color-text);
    margin-bottom: var(--space-lg);
    line-height: 1.7;
    transition: color var(--transition-theme);
}

.about-text p {
    color: var(--color-text-secondary);
    margin-bottom: var(--space-md);
    transition: color var(--transition-theme);
}

.about-text strong { 
    color: var(--color-accent);
    font-weight: 600;
}

.about-highlights {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    margin-top: var(--space-xl);
}

.highlight {
    display: flex;
    gap: var(--space-md);
    padding: var(--space-lg);
    background: var(--color-bg);
    border-radius: var(--radius-xl);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base), background-color var(--transition-theme), border-color var(--transition-theme);
}

.highlight:hover { 
    border-color: var(--color-accent);
    box-shadow: var(--shadow-md), 0 0 20px var(--color-accent-soft);
    transform: translateX(4px);
}

.highlight-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 52px;
    height: 52px;
    background: var(--color-accent-light);
    border-radius: var(--radius-lg);
    color: var(--color-accent);
    flex-shrink: 0;
    transition: background-color var(--transition-theme);
}

.highlight h4 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: var(--space-xs);
    color: var(--color-text);
    transition: color var(--transition-theme);
}

.highlight p {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    margin-bottom: 0;
    transition: color var(--transition-theme);
}

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

.gallery-item {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--color-border);
    transition: border-color var(--transition-theme);
}

.gallery-item img {
    width: 100%;
    aspect-ratio: 16/10;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.gallery-item:hover img { transform: scale(1.03); }

.gallery-caption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--space-md) var(--space-lg);
    background: var(--gallery-caption-bg);
    font-size: 0.875rem;
    color: var(--gallery-caption-color);
    font-weight: 500;
}

/* ========================================
   Offer Section
   ======================================== */
.offer {
    background: var(--color-bg);
}

.offer-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
}

.offer-card {
    position: relative;
    padding: var(--space-xl);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-2xl);
    transition: all var(--transition-base), background-color var(--transition-theme), border-color var(--transition-theme);
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-sm);
}

.offer-card:hover {
    border-color: var(--color-border-hover);
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.offer-card.featured {
    border-color: var(--color-accent);
    background: var(--gradient-card);
    box-shadow: var(--shadow-md), 0 0 30px var(--color-accent-soft);
}

.offer-card.featured:hover {
    box-shadow: var(--shadow-xl), 0 0 40px var(--color-accent-glow);
}

.offer-badge {
    position: absolute;
    top: var(--space-md);
    right: var(--space-md);
    padding: var(--space-xs) var(--space-md);
    background: var(--color-accent);
    color: white;
    font-size: 0.7rem;
    font-weight: 700;
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.offer-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    background: var(--color-accent-light);
    border-radius: var(--radius-xl);
    color: var(--color-accent);
    margin-bottom: var(--space-lg);
    transition: background-color var(--transition-theme);
}

.offer-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--space-md);
    color: var(--color-text);
    transition: color var(--transition-theme);
}

.offer-card > p {
    color: var(--color-text-secondary);
    font-size: 0.9375rem;
    margin-bottom: var(--space-lg);
    flex-grow: 1;
    line-height: 1.6;
    transition: color var(--transition-theme);
}

.offer-features {
    list-style: none;
    margin-bottom: var(--space-xl);
}

.offer-features li {
    position: relative;
    padding-left: var(--space-lg);
    margin-bottom: var(--space-sm);
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    transition: color var(--transition-theme);
}

.offer-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-success);
    font-weight: 700;
}

.offer-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-md);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--color-border);
    margin-top: auto;
    transition: border-color var(--transition-theme);
}

.offer-price {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    font-weight: 600;
    transition: color var(--transition-theme);
}

/* ========================================
   Testimonials Section
   ======================================== */
.testimonials {
    background: var(--color-bg-elevated);
    position: relative;
}

.testimonials::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-border), transparent);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
    margin-bottom: var(--space-3xl);
}

.testimonial-card {
    padding: var(--space-xl);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-2xl);
    transition: all var(--transition-base), background-color var(--transition-theme), border-color var(--transition-theme);
    box-shadow: var(--shadow-sm);
}

.testimonial-card:hover { 
    border-color: var(--color-border-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

.stars {
    color: #f59e0b;
    font-size: 1rem;
    letter-spacing: 2px;
}

.rating-text {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    font-family: var(--font-mono);
    font-weight: 600;
    transition: color var(--transition-theme);
}

.testimonial-card blockquote {
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: var(--space-lg);
    font-style: italic;
    transition: color var(--transition-theme);
}

.testimonial-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.75rem;
    color: var(--color-text-muted);
    transition: color var(--transition-theme);
}

.testimonial-source { 
    font-family: var(--font-mono);
    font-weight: 600;
}

/* Certificate */
.certificate-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
    align-items: center;
    padding: var(--space-2xl);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-md);
    transition: background-color var(--transition-theme), border-color var(--transition-theme);
}

.certificate-content h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--space-md);
    color: var(--color-text);
    transition: color var(--transition-theme);
}

.certificate-content p { 
    color: var(--color-text-secondary);
    line-height: 1.7;
    transition: color var(--transition-theme);
}

.certificate-image {
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--color-border);
    transition: border-color var(--transition-theme);
}

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

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4xl);
    align-items: start;
    min-width: 0;
}

.contact-info {
    min-width: 0;
    max-width: 100%;
}

.contact-info .section-tag { margin-bottom: var(--space-md); }
.contact-info .section-title { text-align: left; margin-bottom: var(--space-md); }
.contact-info > p { 
    color: var(--color-text-secondary); 
    margin-bottom: var(--space-xl);
    line-height: 1.7;
    transition: color var(--transition-theme);
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
}

.contact-method {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md) var(--space-lg);
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    transition: all var(--transition-fast), background-color var(--transition-theme), border-color var(--transition-theme);
    min-width: 0;
    max-width: 100%;
}

.contact-method:hover {
    border-color: var(--color-accent);
    background: var(--color-accent-light);
    transform: translateX(4px);
}

.contact-method > div:last-child {
    min-width: 0;
    flex: 1;
    overflow: hidden;
}

.contact-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: var(--color-accent-light);
    border-radius: var(--radius-lg);
    color: var(--color-accent);
    flex-shrink: 0;
    transition: background-color var(--transition-theme);
}

.contact-label {
    display: block;
    font-size: 0.75rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 2px;
    font-weight: 600;
    transition: color var(--transition-theme);
}

.contact-value {
    font-size: 0.9375rem;
    color: var(--color-text);
    font-weight: 600;
    transition: color var(--transition-theme);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 100%;
}

.contact-location {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.875rem;
    color: var(--color-text-muted);
    font-weight: 500;
    transition: color var(--transition-theme);
    flex-wrap: wrap;
}

.contact-location svg {
    flex-shrink: 0;
}

/* Contact Form */
.contact-form-wrapper {
    padding: var(--space-xl);
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-md);
    transition: background-color var(--transition-theme), border-color var(--transition-theme);
    min-width: 0;
    max-width: 100%;
    overflow: hidden;
}

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

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.form-group label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-text);
    transition: color var(--transition-theme);
}

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

.form-group input,
.form-group select,
.form-group textarea {
    padding: var(--space-md);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    color: var(--color-text);
    font-size: 1rem;
    font-family: inherit;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast), background-color var(--transition-theme), color var(--transition-theme);
    width: 100%;
    max-width: 100%;
    min-width: 0;
    box-sizing: border-box;
}

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

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px var(--color-accent-light);
}

.form-group select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right var(--space-md) center;
    background-size: 18px;
    padding-right: var(--space-2xl);
}

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

.form-note {
    text-align: center;
    font-size: 0.875rem;
    color: var(--color-text-muted);
    margin-top: var(--space-sm);
    transition: color var(--transition-theme);
}

/* Required & Optional labels */
.required {
    color: #ef4444;
    font-weight: 500;
}

.optional {
    color: var(--color-text-muted);
    font-weight: 400;
    font-size: 0.85em;
}

/* Checkbox styles */
.form-checkbox {
    margin-top: var(--space-sm);
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
    cursor: pointer;
    font-size: 0.875rem;
    line-height: 1.5;
    color: var(--color-text-secondary);
}

.checkbox-label input[type="checkbox"] {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.checkmark {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
    margin-top: 2px;
}

.checkbox-label input[type="checkbox"]:checked + .checkmark {
    background: var(--color-accent);
    border-color: var(--color-accent);
}

.checkbox-label input[type="checkbox"]:checked + .checkmark::after {
    content: '';
    width: 6px;
    height: 10px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
    margin-bottom: 2px;
}

.checkbox-label input[type="checkbox"]:focus + .checkmark {
    box-shadow: 0 0 0 3px var(--color-accent-light);
}

.checkbox-text {
    flex: 1;
}

.checkbox-text a {
    color: var(--color-accent);
    text-decoration: underline;
    font-weight: 500;
}

.checkbox-text a:hover {
    color: var(--color-accent-hover);
}

/* ========================================
   Footer
   ======================================== */
.footer {
    padding: var(--space-3xl) 0 var(--space-xl);
    background: var(--footer-bg);
    color: white;
    border-top: 1px solid var(--color-border);
    transition: background-color var(--transition-theme);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: var(--space-xl);
    border-bottom: 1px solid var(--footer-border);
    margin-bottom: var(--space-xl);
}

.footer-brand .logo-text {
    margin-bottom: var(--space-sm);
    display: block;
    background: linear-gradient(135deg, #60a5fa 0%, #38bdf8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.footer-brand p {
    font-size: 0.875rem;
    color: var(--footer-text-muted);
}

.footer-links {
    display: flex;
    gap: var(--space-xl);
}

.footer-links a {
    font-size: 0.875rem;
    color: var(--footer-text);
    font-weight: 500;
    transition: color var(--transition-fast);
}

.footer-links a:hover { color: white; }

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

.footer-social a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background: var(--footer-social-bg);
    border-radius: var(--radius-lg);
    color: var(--footer-text);
    transition: all var(--transition-fast);
}

.footer-social a:hover {
    background: var(--color-accent);
    color: white;
}

.footer-bottom { text-align: center; }
.footer-bottom p { font-size: 0.875rem; color: var(--footer-text-muted); margin-bottom: var(--space-sm); }

.footer-privacy-link {
    font-size: 0.875rem;
    color: var(--footer-text);
    text-decoration: underline;
    transition: color var(--transition-fast);
}

.footer-privacy-link:hover {
    color: white;
}

/* ========================================
   Responsive Design
   ======================================== */
@media (max-width: 1024px) {
    .testimonials-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 968px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--space-2xl);
        align-items: center;
    }
    
    .hero-subtitle {
        justify-content: center;
    }
    
    .hero-subtitle::before {
        display: none;
    }
    
    .hero-description { margin-left: auto; margin-right: auto; }
    .hero-buttons { justify-content: center; flex-wrap: wrap; }
    .hero-stats { justify-content: center; }
    .hero-image { order: -1; align-self: center; }
    .image-frame { max-width: 300px; }
    
    .about-content { grid-template-columns: 1fr; gap: var(--space-2xl); }
    .about-images { order: -1; }
    
    .offer-grid { grid-template-columns: 1fr; }
    
    .contact-wrapper { grid-template-columns: 1fr; gap: var(--space-2xl); }
    .contact-info { text-align: center; }
    .contact-info .section-tag { display: inline-flex; }
    .contact-info .section-title { text-align: center; }
    .contact-info > p { text-align: center; }
    
    .certificate-section { grid-template-columns: 1fr; text-align: center; }
}

@media (max-width: 768px) {
    .nav-toggle { display: flex; }
    
    .nav-menu {
        position: fixed;
        top: 60px;
        left: 0;
        right: 0;
        bottom: 0;
        display: flex;
        flex-direction: column;
        justify-content: flex-start;
        align-items: center;
        padding-top: var(--space-2xl);
        gap: var(--space-xl);
        background: var(--color-bg-mobile-menu);
        opacity: 0;
        visibility: hidden;
        pointer-events: none;
        transition: opacity var(--transition-base), visibility var(--transition-base), background-color var(--transition-theme);
        overflow-y: auto;
        overflow-x: hidden;
        z-index: 999;
    }
    
    .nav-menu.active { 
        opacity: 1; 
        visibility: visible; 
        pointer-events: auto;
    }
    
    .nav-menu li {
        list-style: none;
        width: 100%;
        text-align: center;
    }
    
    .nav-menu a { 
        display: block;
        font-size: 1.25rem; 
        color: var(--color-text) !important;
        padding: var(--space-md) var(--space-lg);
        text-decoration: none;
    }
    
    .nav-menu a:hover {
        color: var(--color-accent) !important;
    }
    
    .nav-menu .nav-cta {
        display: inline-block;
        margin-top: var(--space-md);
        color: white !important;
    }
    
    .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); }
    
    .testimonials-grid { grid-template-columns: 1fr; }
    
    .footer-content {
        flex-direction: column;
        gap: var(--space-xl);
        text-align: center;
    }
    
    .footer-links { flex-wrap: wrap; justify-content: center; }
    
    .hero-bg::before {
        width: 300px;
        height: 300px;
    }
    
    .hero-bg::after {
        display: none;
    }
    
    /* Contact fixes for tablet/mobile */
    .contact-method {
        max-width: 100%;
    }
    
    .contact-value {
        font-size: 0.875rem;
    }
    
    .contact-form-wrapper {
        max-width: 100%;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--space-md);
        max-width: 100%;
        overflow: hidden;
    }
    
    .hero {
        padding: calc(70px + var(--space-xl)) 0 var(--space-xl);
    }
    
    .hero-content {
        padding: 0 var(--space-md);
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .hero-buttons { 
        flex-direction: column; 
        width: 100%; 
    }
    .hero-buttons .btn { 
        width: 100%; 
    }
    .hero-stats { 
        flex-wrap: wrap; 
        gap: var(--space-lg);
        justify-content: center;
    }
    .stat-number { 
        font-size: 2rem; 
    }
    .scroll-indicator { 
        display: none; 
    }
    
    .section {
        padding: var(--space-2xl) 0;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .section-description {
        font-size: 1rem;
        padding: 0 var(--space-sm);
    }
    
    .about-highlights {
        gap: var(--space-md);
    }
    
    .highlight {
        padding: var(--space-md);
    }
    
    .highlight-icon {
        width: 44px;
        height: 44px;
    }
    
    .offer-card {
        padding: var(--space-lg);
    }
    
    .offer-footer {
        flex-direction: column;
        align-items: stretch;
        gap: var(--space-md);
    }
    
    .offer-footer .btn {
        width: 100%;
        text-align: center;
    }
    
    .testimonial-card {
        padding: var(--space-lg);
    }
    
    .testimonial-card blockquote {
        font-size: 0.875rem;
    }
    
    .certificate-section {
        padding: var(--space-lg);
    }
    
    .certificate-content h3 {
        font-size: 1.25rem;
    }
    
    /* Contact section mobile fixes */
    .contact-wrapper {
        gap: var(--space-xl);
    }
    
    .contact-info {
        width: 100%;
        max-width: 100%;
    }
    
    .contact-methods {
        gap: var(--space-sm);
    }
    
    .contact-method {
        padding: var(--space-sm) var(--space-md);
        gap: var(--space-sm);
    }
    
    .contact-icon {
        width: 40px;
        height: 40px;
        flex-shrink: 0;
    }
    
    .contact-icon svg {
        width: 18px;
        height: 18px;
    }
    
    .contact-label {
        font-size: 0.7rem;
    }
    
    .contact-value {
        font-size: 0.8rem;
        word-break: break-all;
        white-space: normal;
        overflow-wrap: break-word;
    }
    
    .contact-location {
        font-size: 0.8rem;
    }
    
    .contact-location span {
        flex: 1;
        min-width: 0;
    }
    
    /* Form mobile fixes */
    .contact-form-wrapper {
        padding: var(--space-md);
        margin: 0;
        width: 100%;
        max-width: 100%;
    }
    
    .contact-form {
        gap: var(--space-md);
    }
    
    .form-row {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }
    
    .form-group input,
    .form-group select,
    .form-group textarea {
        padding: var(--space-sm) var(--space-md);
        font-size: 16px; /* Prevents zoom on iOS */
    }
    
    .form-group label {
        font-size: 0.8rem;
    }
    
    .form-note {
        font-size: 0.75rem;
    }
    
    .btn {
        padding: var(--space-sm) var(--space-md);
        font-size: 0.875rem;
    }
    
    .footer {
        padding: var(--space-2xl) 0 var(--space-lg);
    }
    
    .footer-links {
        gap: var(--space-md);
    }
    
    .footer-brand p {
        font-size: 0.75rem;
    }
    
    .footer-bottom p {
        font-size: 0.75rem;
        padding: 0 var(--space-sm);
    }
    
    .theme-toggle {
        width: 36px;
        height: 36px;
    }
    
    .theme-toggle svg {
        width: 18px;
        height: 18px;
    }
}

/* ========================================
   Notifications
   ======================================== */
.notification {
    position: fixed;
    bottom: 20px;
    right: 20px;
    max-width: 400px;
    padding: var(--space-md) var(--space-lg);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    display: flex;
    align-items: center;
    gap: var(--space-md);
    z-index: 10000;
    transform: translateY(100px);
    opacity: 0;
    transition: transform 0.3s ease, opacity 0.3s ease;
}

.notification.show {
    transform: translateY(0);
    opacity: 1;
}

.notification-success {
    border-color: #10b981;
    background: linear-gradient(135deg, var(--color-bg-card), rgba(16, 185, 129, 0.1));
}

.notification-success::before {
    content: '✓';
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    background: #10b981;
    color: white;
    border-radius: 50%;
    font-weight: bold;
    font-size: 14px;
    flex-shrink: 0;
}

.notification-error {
    border-color: #ef4444;
    background: linear-gradient(135deg, var(--color-bg-card), rgba(239, 68, 68, 0.1));
}

.notification-error::before {
    content: '!';
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    background: #ef4444;
    color: white;
    border-radius: 50%;
    font-weight: bold;
    font-size: 14px;
    flex-shrink: 0;
}

.notification span {
    flex: 1;
    font-size: 0.9rem;
    color: var(--color-text);
    line-height: 1.4;
}

.notification-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--color-text-muted);
    cursor: pointer;
    padding: 0;
    line-height: 1;
    transition: color 0.2s;
}

.notification-close:hover {
    color: var(--color-text);
}

@media (max-width: 480px) {
    .notification {
        left: 10px;
        right: 10px;
        bottom: 10px;
        max-width: none;
    }
}

/* Selection & Scrollbar */
::selection { background: var(--color-accent); color: white; }
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--color-bg-elevated); transition: background-color var(--transition-theme); }
::-webkit-scrollbar-thumb { background: var(--color-border); border-radius: 4px; transition: background-color var(--transition-theme); }
::-webkit-scrollbar-thumb:hover { background: var(--color-accent); }