/* ============================================
   CSS CUSTOM PROPERTIES (Design System)
   ============================================ */
:root {
    /* Colors */
    --color-bg-primary: #050505;
    --color-bg-secondary: #0a0a0a;
    --color-bg-tertiary: #111111;
    --color-bg-card: #0d0d0d;
    --color-bg-card-hover: #141414;
    
    --color-text-primary: #ffffff;
    --color-text-secondary: #a3a3a3;
    --color-text-muted: #666666;
    
    --color-accent-primary: #a855f7;
    --color-accent-secondary: #7c3aed;
    --color-accent-light: #c084fc;
    --color-accent-glow: rgba(168, 85, 247, 0.3);
    
    --color-border: #1f1f1f;
    --color-border-light: #2a2a2a;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--color-accent-primary) 0%, var(--color-accent-secondary) 100%);
    --gradient-subtle: linear-gradient(180deg, rgba(168, 85, 247, 0.08) 0%, transparent 100%);
    --gradient-radial: radial-gradient(ellipse at center, rgba(168, 85, 247, 0.15) 0%, transparent 70%);
    --gradient-hero: radial-gradient(ellipse at 50% 0%, rgba(168, 85, 247, 0.2) 0%, transparent 50%);
    
    /* Typography */
    --font-primary: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-display: 'Space Grotesk', var(--font-primary);
    
    --text-xs: 0.875rem;
    --text-sm: 1rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 2rem;
    --text-4xl: 2.5rem;
    --text-5xl: 3.5rem;
    --text-6xl: 4.5rem;
    
    /* 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;
    --space-5xl: 8rem;
    
    /* Layout */
    --container-max: 1200px;
    --container-padding: var(--space-lg);
    --section-padding: var(--space-5xl);
    
    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 40px var(--color-accent-glow);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms ease;
    --transition-spring: 400ms cubic-bezier(0.175, 0.885, 0.32, 1.275);
    
    /* Z-index */
    --z-header: 100;
    --z-overlay: 200;
    --z-modal: 300;
}

/* ============================================
   CSS RESET & BASE STYLES
   ============================================ */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

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

body {
    font-family: var(--font-primary);
    font-size: var(--text-base);
    font-weight: 400;
    line-height: 1.6;
    color: var(--color-text-primary);
    background-color: var(--color-bg-primary);
    overflow-x: hidden;
}

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

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

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

ul, ol {
    list-style: none;
}

/* Selection */
::selection {
    background-color: var(--color-accent-primary);
    color: var(--color-text-primary);
}

/* Focus styles */
:focus-visible {
    outline: 2px solid var(--color-accent-primary);
    outline-offset: 2px;
}

/* ============================================
   UTILITY CLASSES
   ============================================ */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    font-family: var(--font-primary);
    font-size: var(--text-sm);
    font-weight: 500;
    letter-spacing: 0.02em;
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.btn svg {
    width: 18px;
    height: 18px;
    transition: transform var(--transition-base);
}

.btn--primary {
    background: var(--gradient-primary);
    color: var(--color-text-primary);
    box-shadow: var(--shadow-sm), 0 0 20px rgba(168, 85, 247, 0.2);
}

.btn--primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md), var(--shadow-glow);
}

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

.btn--primary:active {
    transform: translateY(0);
}

.btn--success {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    box-shadow: var(--shadow-sm), 0 0 20px rgba(16, 185, 129, 0.3);
}

.btn--success:hover {
    box-shadow: var(--shadow-md), 0 0 30px rgba(16, 185, 129, 0.4);
}

.btn--error {
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
    box-shadow: var(--shadow-sm), 0 0 20px rgba(239, 68, 68, 0.3);
}

.btn--error:hover {
    box-shadow: var(--shadow-md), 0 0 30px rgba(239, 68, 68, 0.4);
}

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

.btn--secondary:hover {
    background: var(--color-bg-tertiary);
    border-color: var(--color-text-muted);
}

.btn--full {
    width: 100%;
}

/* ============================================
   HEADER
   ============================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-header);
    padding: var(--space-lg) 0;
    transition: all var(--transition-base);
}

.header--scrolled {
    background: rgba(5, 5, 5, 0.9);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border);
    padding: var(--space-md) 0;
}

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

.header__logo {
    display: flex;
    align-items: center;
}

.logo__text {
    font-family: var(--font-display);
    font-size: var(--text-xl);
    font-weight: 700;
    letter-spacing: -0.02em;
}

.logo__accent {
    color: var(--color-accent-primary);
}

.nav__list {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
}

.nav__link {
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
    position: relative;
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width var(--transition-base);
}

.nav__link:hover {
    color: var(--color-text-primary);
}

.nav__link:hover::after {
    width: 100%;
}

.nav__link--cta {
    background: var(--gradient-primary);
    color: var(--color-text-primary);
    padding: var(--space-sm) var(--space-lg);
    border-radius: var(--radius-md);
}

.nav__link--cta::after {
    display: none;
}

.nav__link--cta:hover {
    opacity: 0.9;
    transform: translateY(-1px);
}

/* Mobile Menu Toggle */
.header__menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: var(--space-sm);
    z-index: calc(var(--z-header) + 1);
}

.menu-toggle__bar {
    width: 24px;
    height: 2px;
    background: var(--color-text-primary);
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero__background {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero__gradient {
    position: absolute;
    inset: 0;
    background: var(--gradient-hero);
}

.hero__grid {
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(168, 85, 247, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(168, 85, 247, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse at center, black 0%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse at center, black 0%, transparent 70%);
}

.hero__container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: var(--space-5xl) var(--container-padding);
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.hero__content {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.hero__title {
    font-family: var(--font-display);
    font-size: clamp(var(--text-4xl), 10vw, var(--text-6xl));
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin-bottom: var(--space-lg);
}

.hero__title-line {
    display: block;
}

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

.hero__subtitle {
    font-size: clamp(var(--text-lg), 3vw, var(--text-xl));
    color: var(--color-text-secondary);
    max-width: 600px;
    margin-bottom: var(--space-2xl);
}

.hero__flag {
    display: inline-block;
    font-size: 1.5em;
    margin-top: var(--space-sm);
}

.hero__cta {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-md);
}

.hero__scroll-indicator {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    color: var(--color-text-muted);
    font-size: var(--text-xs);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    animation: float 3s ease-in-out infinite;
    margin-top: var(--space-2xl);
    padding-bottom: var(--space-lg);
}

.scroll-indicator__arrow {
    width: 24px;
    height: 24px;
    border-right: 2px solid var(--color-text-muted);
    border-bottom: 2px solid var(--color-text-muted);
    transform: rotate(45deg);
}

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

/* ============================================
   SECTION HEADER (Reusable)
   ============================================ */
.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto var(--space-3xl);
}

.section-header--left {
    text-align: left;
    margin-left: 0;
}

.section-header__label {
    display: inline-block;
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-accent-primary);
    margin-bottom: var(--space-md);
    padding: var(--space-xs) var(--space-md);
    background: rgba(168, 85, 247, 0.1);
    border-radius: var(--radius-full);
    border: 1px solid rgba(168, 85, 247, 0.2);
}

.section-header__title {
    font-family: var(--font-display);
    font-size: clamp(var(--text-3xl), 5vw, var(--text-4xl));
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: var(--space-md);
}

.section-header__description {
    font-size: var(--text-lg);
    color: var(--color-text-secondary);
    line-height: 1.7;
}

/* ============================================
   SERVICES SECTION
   ============================================ */
.services {
    padding: var(--section-padding) 0;
    background: var(--color-bg-secondary);
    position: relative;
}

.services::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    max-width: 800px;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-border), transparent);
}

.services__container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.services__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-xl);
    max-width: 900px;
    margin: 0 auto;
}

/* Service Card */
.service-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-2xl);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-base);
}

.service-card:hover {
    background: var(--color-bg-card-hover);
    border-color: var(--color-border-light);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

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

.service-card__icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(168, 85, 247, 0.1);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-lg);
    color: var(--color-accent-primary);
}

.service-card__icon svg {
    width: 24px;
    height: 24px;
}

.service-card__title {
    font-family: var(--font-display);
    font-size: var(--text-lg);
    font-weight: 600;
    margin-bottom: var(--space-md);
    line-height: 1.3;
}

.service-card__description {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: var(--space-lg);
}

.service-card__link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-accent-primary);
    transition: all var(--transition-fast);
}

.service-card__link svg {
    width: 16px;
    height: 16px;
    transition: transform var(--transition-base);
}

.service-card__link:hover {
    color: var(--color-accent-light);
}

.service-card__link:hover svg {
    transform: translateX(4px);
}

/* FAQs Section */
.faqs {
    padding: var(--section-padding) 0;
    background: var(--color-bg-secondary);
    position: relative;
}

.faqs::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    max-width: 800px;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-border), transparent);
}

.faqs__container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.faqs__grid {
    max-width: 800px;
    margin: 0 auto;
}

.faq-category {
    margin-bottom: var(--space-md);
    scroll-margin-top: 120px;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-base);
}

.faq-category:last-child {
    margin-bottom: 0;
}

.faq-category:hover {
    border-color: var(--color-border-light);
}

.faq-category[open] {
    border-color: var(--color-accent-primary);
    box-shadow: 0 0 0 1px rgba(168, 85, 247, 0.1);
}

.faq-category__title {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-lg) var(--space-xl);
    font-family: var(--font-display);
    font-size: var(--text-base);
    font-weight: 600;
    color: var(--color-text-primary);
    cursor: pointer;
    list-style: none;
    transition: all var(--transition-fast);
}

.faq-category__title::-webkit-details-marker {
    display: none;
}

.faq-category__title-content {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.faq-category__title-content svg {
    width: 20px;
    height: 20px;
    color: var(--color-accent-primary);
    opacity: 0.8;
}

.faq-category__title::after {
    content: '';
    width: 10px;
    height: 10px;
    border-right: 2px solid var(--color-text-muted);
    border-bottom: 2px solid var(--color-text-muted);
    transform: rotate(-45deg);
    transition: transform var(--transition-base);
    flex-shrink: 0;
}

.faq-category[open] .faq-category__title::after {
    transform: rotate(45deg);
}

.faq-category__title:hover {
    color: var(--color-accent-light);
}

.faq-category__items {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    padding: 0 var(--space-xl) var(--space-xl);
}

.faq-item {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: all var(--transition-base);
}

.faq-item:hover {
    border-color: var(--color-border-light);
}

.faq-item[open] {
    border-color: var(--color-accent-primary);
    box-shadow: 0 0 0 1px rgba(168, 85, 247, 0.1);
}

.faq-item__question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-lg);
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-text-primary);
    cursor: pointer;
    list-style: none;
    transition: all var(--transition-fast);
}

.faq-item__question::-webkit-details-marker {
    display: none;
}

.faq-item__question::after {
    content: '';
    width: 8px;
    height: 8px;
    border-right: 2px solid var(--color-text-muted);
    border-bottom: 2px solid var(--color-text-muted);
    transform: rotate(-45deg);
    transition: transform var(--transition-base);
    flex-shrink: 0;
    margin-left: var(--space-md);
}

.faq-item[open] .faq-item__question::after {
    transform: rotate(45deg);
}

.faq-item__question:hover {
    color: var(--color-accent-light);
}

.faq-item__answer {
    padding: 0 var(--space-lg) var(--space-lg);
    font-size: var(--text-sm);
    line-height: 1.7;
    color: var(--color-text-secondary);
}

/* FAQ responsive */
@media (max-width: 768px) {
    .faqs {
        margin-top: var(--space-3xl);
        padding-top: var(--space-3xl);
    }
    
    .faq-category {
        scroll-margin-top: 100px;
    }
}

/* ============================================
   HOW IT WORKS SECTION
   ============================================ */
.how-it-works {
    padding: var(--section-padding) 0;
    background: var(--color-bg-primary);
    position: relative;
}

.how-it-works__container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
    position: relative;
    max-width: 900px;
    margin: 0 auto;
}

.steps__line {
    position: absolute;
    top: 40px;
    left: calc(16.67% + 20px);
    right: calc(16.67% + 20px);
    height: 2px;
    background: linear-gradient(90deg, var(--color-accent-primary), var(--color-accent-secondary));
    opacity: 0.3;
}

.step {
    text-align: center;
    position: relative;
}

.step__number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    font-family: var(--font-display);
    font-size: var(--text-2xl);
    font-weight: 700;
    background: var(--color-bg-tertiary);
    border: 2px solid var(--color-border-light);
    border-radius: 50%;
    margin-bottom: var(--space-xl);
    position: relative;
    z-index: 1;
    transition: all var(--transition-base);
}

.step:hover .step__number {
    background: var(--gradient-primary);
    border-color: var(--color-accent-primary);
    transform: scale(1.1);
    box-shadow: var(--shadow-glow);
}

.step__title {
    font-family: var(--font-display);
    font-size: var(--text-xl);
    font-weight: 600;
    margin-bottom: var(--space-sm);
}

.step__description {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    line-height: 1.7;
    max-width: 250px;
    margin: 0 auto;
}

/* ============================================
   ABOUT SECTION
   ============================================ */
.about {
    padding: var(--section-padding) 0;
    background: var(--color-bg-secondary);
    position: relative;
}

.about::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    max-width: 800px;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-border), transparent);
}

.about__container {
    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: center;
}

.about__features {
    display: grid;
    gap: var(--space-xl);
}

.feature {
    display: flex;
    gap: var(--space-lg);
    padding: var(--space-lg);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
}

.feature:hover {
    border-color: var(--color-border-light);
    transform: translateX(8px);
}

.feature__icon {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-accent-primary);
}

.feature__icon svg {
    width: 24px;
    height: 24px;
}

.feature__title {
    font-family: var(--font-display);
    font-size: var(--text-base);
    font-weight: 600;
    margin-bottom: var(--space-xs);
}

.feature__description {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    line-height: 1.6;
}

.about__visual {
    position: relative;
}

.about__image-placeholder {
    aspect-ratio: 4/3;
    background: var(--gradient-subtle);
    border: 1px dashed var(--color-border-light);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-muted);
    font-size: var(--text-sm);
}

.about__image {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.about__image::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(168, 85, 247, 0.1) 0%, transparent 50%);
    z-index: 1;
    pointer-events: none;
}

.about__image img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform var(--transition-slow);
}

.about__image:hover img {
    transform: scale(1.02);
}

/* Testimonials (within About section) */
.testimonials {
    max-width: var(--container-max);
    margin: var(--space-4xl) auto 0;
    padding: var(--space-4xl) var(--container-padding) 0;
    border-top: 1px solid var(--color-border);
}

.testimonials__title {
    font-family: var(--font-display);
    font-size: var(--text-xl);
    font-weight: 600;
    text-align: center;
    margin-bottom: var(--space-2xl);
    color: var(--color-text-secondary);
}

.testimonials__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-lg);
}

.testimonial-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    transition: all var(--transition-base);
}

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

.testimonial-card__quote {
    font-size: var(--text-sm);
    line-height: 1.7;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-lg);
    font-style: italic;
}

.testimonial-card__author {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.testimonial-card__name {
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-text-primary);
}

.testimonial-card__role {
    font-size: var(--text-xs);
    color: var(--color-text-muted);
}

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

@media (max-width: 992px) {
    .testimonials__grid {
        grid-template-columns: 1fr;
        max-width: 500px;
        margin: 0 auto;
    }
}

@media (max-width: 768px) {
    .testimonials {
        margin-top: var(--space-3xl);
        padding-top: var(--space-3xl);
    }
    
    .testimonials__grid {
        max-width: none;
    }
}

/* ============================================
   CONTACT SECTION
   ============================================ */
.contact {
    padding: var(--section-padding) 0;
    background: var(--color-bg-primary);
    position: relative;
}

.contact::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient-radial);
    opacity: 0.5;
    pointer-events: none;
}

.contact__container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: var(--space-4xl);
    position: relative;
    z-index: 1;
}

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

.contact__details {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    margin-top: var(--space-2xl);
}

.contact__detail {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    color: var(--color-text-secondary);
    font-size: var(--text-sm);
}

.contact__detail svg {
    width: 20px;
    height: 20px;
    color: var(--color-accent-primary);
}

.contact__social {
    display: flex;
    gap: var(--space-md);
    margin-top: auto;
    padding-top: var(--space-2xl);
}

.social-link {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text-secondary);
    transition: all var(--transition-base);
}

.social-link svg {
    width: 20px;
    height: 20px;
}

.social-link:hover {
    background: var(--color-accent-primary);
    border-color: var(--color-accent-primary);
    color: var(--color-text-primary);
}

/* Contact Form */
.contact__form {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
}

.form__group {
    margin-bottom: var(--space-lg);
}

.form__label {
    display: block;
    font-size: var(--text-sm);
    font-weight: 500;
    margin-bottom: var(--space-sm);
    color: var(--color-text-secondary);
}

.form__input,
.form__select,
.form__textarea {
    width: 100%;
    padding: var(--space-md) var(--space-lg);
    font-family: var(--font-primary);
    font-size: var(--text-base);
    color: var(--color-text-primary);
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.form__input::placeholder,
.form__textarea::placeholder {
    color: var(--color-text-muted);
}

.form__input:focus,
.form__select:focus,
.form__textarea:focus {
    outline: none;
    border-color: var(--color-accent-primary);
    box-shadow: 0 0 0 3px rgba(168, 85, 247, 0.1);
}

.form__select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23666666' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%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;
    cursor: pointer;
}

.form__select option {
    background: var(--color-bg-secondary);
}

.form__textarea {
    resize: vertical;
    min-height: 120px;
}

.form__note {
    margin-top: var(--space-md);
    font-size: var(--text-xs);
    color: var(--color-text-muted);
    text-align: center;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    padding: var(--space-4xl) 0 var(--space-xl);
    background: var(--color-bg-secondary);
    border-top: 1px solid var(--color-border);
}

.footer__container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.footer__top {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--space-4xl);
    padding-bottom: var(--space-3xl);
    margin-bottom: var(--space-2xl);
    border-bottom: 1px solid var(--color-border);
}

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

.footer__tagline {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    max-width: 200px;
}

.footer__columns {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-2xl);
}

.footer__columns .footer__column:first-child {
    grid-column: 2;
}

.footer__columns .footer__column:last-child {
    grid-column: 3;
}

.footer__column-title {
    font-family: var(--font-display);
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: var(--space-lg);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

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

.footer__links li a,
.footer__contact-item {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
}

.footer__links li a:hover {
    color: var(--color-accent-primary);
}

.footer__contact-item {
    display: block;
}

.footer__social {
    display: flex;
    gap: var(--space-sm);
    margin-top: var(--space-lg);
}

.social-link--sm {
    width: 32px;
    height: 32px;
}

.social-link--sm svg {
    width: 16px;
    height: 16px;
}

.footer__nav-simple {
    display: none;
    justify-content: center;
    gap: var(--space-xl);
    margin-bottom: var(--space-2xl);
    padding-bottom: var(--space-2xl);
    border-bottom: 1px solid var(--color-border);
}

.footer__nav-simple a {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
}

.footer__nav-simple a:hover {
    color: var(--color-accent-primary);
}

.footer__bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-md);
}

.footer__copyright {
    font-size: var(--text-xs);
    color: var(--color-text-muted);
}

.footer__legal {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: var(--text-xs);
}

.footer__legal a {
    color: var(--color-text-muted);
    transition: color var(--transition-fast);
}

.footer__legal a:hover {
    color: var(--color-accent-primary);
}

.footer__divider {
    color: var(--color-text-muted);
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

/* Tablet */
@media (max-width: 992px) {
    :root {
        --section-padding: var(--space-4xl);
    }
    
    .services__grid {
        gap: var(--space-lg);
    }
    
    .about__container {
        grid-template-columns: 1fr;
        gap: var(--space-3xl);
    }
    
    .about__visual {
        order: -1;
    }
    
    .contact__container {
        grid-template-columns: 1fr;
        gap: var(--space-3xl);
    }
    
    .steps {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
        max-width: 400px;
    }
    
    .steps__line {
        display: none;
    }
    
    .step {
        text-align: left;
        display: flex;
        gap: var(--space-xl);
        align-items: flex-start;
    }
    
    .step__number {
        margin-bottom: 0;
        width: 60px;
        height: 60px;
        font-size: var(--text-xl);
        flex-shrink: 0;
    }
    
    .step__content {
        padding-top: var(--space-sm);
    }
    
    .step__description {
        margin: 0;
        max-width: none;
    }
}

/* Mobile */
@media (max-width: 768px) {
    :root {
        --section-padding: var(--space-3xl);
        --container-padding: var(--space-md);
    }
    
    /* Mobile Menu */
    .header__menu-toggle {
        display: flex;
    }
    
    .header__nav {
        position: fixed;
        top: 0;
        right: 0;
        width: 100%;
        height: 100vh;
        background: rgba(5, 5, 5, 0.98);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        display: flex;
        align-items: center;
        justify-content: center;
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-base);
    }
    
    .header__nav.active {
        opacity: 1;
        visibility: visible;
    }
    
    .nav__list {
        flex-direction: column;
        gap: var(--space-xl);
        text-align: center;
    }
    
    .nav__link {
        font-size: var(--text-2xl);
    }
    
    .nav__link--cta {
        font-size: var(--text-base);
    }
    
    /* Menu Toggle Animation */
    .header__menu-toggle.active .menu-toggle__bar:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .header__menu-toggle.active .menu-toggle__bar:nth-child(2) {
        opacity: 0;
    }
    
    .header__menu-toggle.active .menu-toggle__bar:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }
    
    /* Hero */
    .hero__cta {
        flex-direction: column;
    }
    
    .hero__cta .btn {
        width: 100%;
        justify-content: center;
    }
    
    /* Services Grid */
    .services__grid {
        grid-template-columns: 1fr;
        max-width: none;
    }
    
    /* About Features */
    .about__features {
        gap: var(--space-md);
    }
    
    .feature {
        flex-direction: column;
        gap: var(--space-md);
        text-align: center;
    }
    
    .feature__icon {
        margin: 0 auto;
    }
    
    /* Footer */
    .footer__nav {
        flex-wrap: wrap;
        justify-content: center;
        gap: var(--space-md) var(--space-lg);
    }
}

/* Small Mobile */
@media (max-width: 480px) {
    .hero__title {
        font-size: var(--text-3xl);
    }
    
    .section-header__title {
        font-size: var(--text-2xl);
    }
    
    .contact__form {
        padding: var(--space-lg);
    }
}

/* Footer Responsive */
@media (max-width: 992px) {
    .footer__top {
        grid-template-columns: 1fr;
        gap: var(--space-3xl);
    }
    
    .footer__brand {
        text-align: center;
        align-items: center;
    }
    
    .footer__tagline {
        max-width: none;
    }
}

@media (max-width: 768px) {
    .footer__columns {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-2xl);
    }
    
    .footer__columns .footer__column:first-child {
        grid-column: 1;
    }
    
    .footer__columns .footer__column:last-child {
        grid-column: 2;
    }
    
    .footer__top {
        display: none;
    }
    
    .footer__nav-simple {
        display: flex;
        flex-wrap: wrap;
        gap: var(--space-md) var(--space-lg);
    }
    
    .footer__bottom {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .footer__columns {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer__columns .footer__column:first-child,
    .footer__columns .footer__column:last-child {
        grid-column: 1;
    }
    
    .footer__social {
        justify-content: center;
    }
}

/* ============================================
   MODAL
   ============================================ */
.modal {
    position: fixed;
    inset: 0;
    z-index: var(--z-modal);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-lg);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

.modal.active {
    opacity: 1;
    visibility: visible;
}

.modal__backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.modal__content {
    position: relative;
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    max-width: 700px;
    width: 100%;
    max-height: 80vh;
    overflow-y: auto;
    padding: var(--space-2xl);
    transform: translateY(20px);
    transition: transform var(--transition-base);
}

.modal.active .modal__content {
    transform: translateY(0);
}

.modal__close {
    position: absolute;
    top: var(--space-lg);
    right: var(--space-lg);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text-secondary);
    transition: all var(--transition-fast);
}

.modal__close:hover {
    background: var(--color-bg-card-hover);
    color: var(--color-text-primary);
}

.modal__close svg {
    width: 20px;
    height: 20px;
}

.modal__title {
    font-family: var(--font-display);
    font-size: var(--text-2xl);
    font-weight: 700;
    margin-bottom: var(--space-xl);
    padding-right: var(--space-3xl);
}

.modal__body {
    color: var(--color-text-secondary);
    line-height: 1.8;
}

.modal__body h3 {
    font-family: var(--font-display);
    font-size: var(--text-lg);
    font-weight: 600;
    color: var(--color-text-primary);
    margin-top: var(--space-xl);
    margin-bottom: var(--space-sm);
}

.modal__body h3:first-of-type {
    margin-top: var(--space-lg);
}

.modal__body p {
    margin-bottom: var(--space-md);
}

.modal__body strong {
    color: var(--color-text-primary);
}

/* Modal scrollbar styling */
.modal__content::-webkit-scrollbar {
    width: 8px;
}

.modal__content::-webkit-scrollbar-track {
    background: var(--color-bg-tertiary);
    border-radius: var(--radius-full);
}

.modal__content::-webkit-scrollbar-thumb {
    background: var(--color-border-light);
    border-radius: var(--radius-full);
}

.modal__content::-webkit-scrollbar-thumb:hover {
    background: var(--color-text-muted);
}

@media (max-width: 768px) {
    .modal__content {
        padding: var(--space-lg);
        max-height: 90vh;
    }
    
    .modal__title {
        font-size: var(--text-xl);
    }
}

/* ============================================
   ANIMATIONS
   ============================================ */

/* Fade In Up */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fade-in-up {
    animation: fadeInUp 0.6s ease-out forwards;
}

/* Staggered delays for children */
.animate-stagger > *:nth-child(1) { animation-delay: 0.1s; }
.animate-stagger > *:nth-child(2) { animation-delay: 0.2s; }
.animate-stagger > *:nth-child(3) { animation-delay: 0.3s; }
.animate-stagger > *:nth-child(4) { animation-delay: 0.4s; }

/* Initially hidden for animation */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease-out;
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}