/* Leipzig SEO - Premium Apple-Style Stylesheet */
/* Design: Clean, Minimal, High-Trust, Corporate-Tech */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

/* ==================== CSS Variables ==================== */
:root {
    /* Premium Color Palette */
    --primary: #11B58A;
    --primary-dark: #0D9B75;
    --primary-light: #53B7A8;
    --primary-subtle: rgba(17, 181, 138, 0.08);
    --primary-glow: rgba(17, 181, 138, 0.15);

    /* Neutral Colors - Apple-inspired */
    --dark: #1A1A1A;
    --dark-secondary: #2D2D2D;
    --text: #1D1D1F;
    --text-secondary: #6E6E73;
    --text-muted: #86868B;
    --border: #E8E8E8;
    --border-light: #F2F2F2;
    --light: #F7F7F7;
    --white: #FFFFFF;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #11B58A 0%, #0D9B75 100%);
    --gradient-dark: linear-gradient(180deg, #1A1A1A 0%, #2D2D2D 100%);
    --gradient-light: linear-gradient(180deg, #FFFFFF 0%, #F7F7F7 100%);
    --gradient-subtle: linear-gradient(180deg, rgba(17, 181, 138, 0.05) 0%, rgba(17, 181, 138, 0) 100%);

    /* Typography */
    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Segoe UI', sans-serif;

    /* Spacing - 8px base grid */
    --section-padding: 120px;
    --section-padding-md: 80px;
    --container-width: 1200px;
    --container-narrow: 800px;

    /* Transitions - Apple-smooth */
    --transition: all 0.4s cubic-bezier(0.25, 0.1, 0.25, 1);
    --transition-fast: all 0.2s cubic-bezier(0.25, 0.1, 0.25, 1);
    --transition-bounce: all 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);

    /* Shadows - Subtle, Premium */
    --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.10);
    --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.12);
    --shadow-primary: 0 8px 24px rgba(17, 181, 138, 0.25);
    --shadow-card: 0 2px 12px rgba(0, 0, 0, 0.04), 0 0 1px rgba(0, 0, 0, 0.08);

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --radius-full: 100px;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-main);
    font-weight: 400;
    line-height: 1.6;
    color: var(--text);
    background-color: var(--white);
    overflow-x: hidden;
}

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

ul, ol {
    list-style: none;
}

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

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

/* ==================== Typography - Apple Style ==================== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.15;
    color: var(--text);
    letter-spacing: -0.02em;
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    letter-spacing: -0.03em;
}

h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 600;
}

h3 {
    font-size: clamp(1.25rem, 2vw, 1.5rem);
    font-weight: 600;
}

h4 {
    font-size: 1.125rem;
    font-weight: 600;
}

p {
    margin-bottom: 1rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

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

/* Large display text */
.display-text {
    font-size: clamp(3rem, 6vw, 5rem);
    font-weight: 700;
    letter-spacing: -0.04em;
    line-height: 1.05;
}

/* ==================== Container & Layout ==================== */
.container {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
}

.container-narrow {
    max-width: var(--container-narrow);
}

.section {
    padding: var(--section-padding) 0;
}

.section-header {
    text-align: center;
    max-width: 680px;
    margin: 0 auto 64px;
}

.section-header h2 {
    margin-bottom: 20px;
}

.section-header p {
    font-size: 1.125rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

.section-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 16px;
}

.section-label::before {
    content: '';
    width: 24px;
    height: 2px;
    background: var(--primary);
    border-radius: 1px;
}

/* ==================== Buttons - Premium Style ==================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 16px 32px;
    font-size: 0.9375rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    transition: var(--transition);
    cursor: pointer;
    white-space: nowrap;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 32px rgba(17, 181, 138, 0.35);
}

.btn-secondary {
    background: var(--white);
    color: var(--text);
    border: 1.5px solid var(--border);
}

.btn-secondary:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: var(--primary-subtle);
}

.btn-outline {
    background: transparent;
    color: var(--white);
    border: 1.5px solid rgba(255, 255, 255, 0.4);
}

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

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

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

.btn-icon {
    width: 18px;
    height: 18px;
    transition: var(--transition-fast);
}

.btn:hover .btn-icon {
    transform: translateX(3px);
}

.btn-lg {
    padding: 20px 40px;
    font-size: 1rem;
}

.btn-sm {
    padding: 12px 24px;
    font-size: 0.875rem;
}

/* ==================== Header & Navigation - Premium ==================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.72);
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    transition: var(--transition);
}

.header.scrolled {
    box-shadow: 0 1px 0 rgba(0, 0, 0, 0.08);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 1.375rem;
    font-weight: 700;
    color: var(--text);
    letter-spacing: -0.02em;
}

.logo img {
    height: 36px;
    width: auto;
}

/* Desktop navigation - only applies on screens wider than 992px */
@media (min-width: 993px) {
    .nav {
        display: flex;
        align-items: center;
        gap: 4px;
    }
}

.nav-link {
    padding: 8px 16px;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text);
    border-radius: var(--radius-full);
    transition: var(--transition-fast);
}

.nav-link:hover {
    color: var(--primary);
    background: var(--primary-subtle);
}

.nav-link.active {
    color: var(--primary);
}

/* Dropdown Menu */
.nav-item {
    position: relative;
}

.nav-item.has-dropdown > .nav-link {
    display: flex;
    align-items: center;
    gap: 5px;
}

.nav-item.has-dropdown > .nav-link::after {
    content: '';
    width: 6px;
    height: 6px;
    border-right: 1.5px solid currentColor;
    border-bottom: 1.5px solid currentColor;
    transform: rotate(45deg);
    transition: var(--transition-fast);
    margin-top: -3px;
}

.nav-item.has-dropdown:hover > .nav-link::after {
    transform: rotate(-135deg);
    margin-top: 3px;
}

.dropdown {
    position: absolute;
    top: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%) translateY(8px);
    min-width: 220px;
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    padding: 8px;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    border: 1px solid var(--border-light);
}

.nav-item.has-dropdown:hover .dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.dropdown-link {
    display: block;
    padding: 12px 16px;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text);
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
}

.dropdown-link:hover {
    color: var(--primary);
    background: var(--primary-subtle);
}

/* Language Switcher */
.lang-switcher {
    display: flex;
    align-items: center;
    gap: 2px;
    padding: 4px;
    background: var(--light);
    border-radius: var(--radius-full);
    margin-left: 20px;
}

.lang-btn {
    padding: 6px 12px;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--text-muted);
    background: transparent;
    border-radius: var(--radius-full);
    transition: var(--transition-fast);
}

.lang-btn:hover {
    color: var(--text);
}

.lang-btn.active {
    background: var(--white);
    color: var(--text);
    box-shadow: var(--shadow-xs);
}

/* ==================== Hero Section - Premium ==================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: var(--white);
    padding-top: 80px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 100%;
    background: var(--gradient-subtle);
    pointer-events: none;
}

.hero-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-content {
    max-width: 560px;
}

.hero-label {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 10px 20px;
    background: var(--primary-subtle);
    border-radius: var(--radius-full);
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 32px;
    border: 1px solid var(--primary-glow);
}

.hero-label .dot {
    width: 8px;
    height: 8px;
    background: var(--primary);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.6; transform: scale(1.15); }
}

.hero h1 {
    margin-bottom: 28px;
    line-height: 1.08;
}

.hero h1 span {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-text {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
    line-height: 1.65;
}

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

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

.hero-image {
    position: relative;
    background: var(--light);
    border-radius: var(--radius-xl);
    padding: 40px;
    box-shadow: var(--shadow-lg);
}

.hero-image svg {
    width: 100%;
    height: auto;
}

/* Floating Elements - Premium Animation */
.floating-element {
    position: absolute;
    border-radius: var(--radius-lg);
    background: var(--white);
    box-shadow: var(--shadow-lg);
    padding: 16px 20px;
    display: flex;
    align-items: center;
    gap: 14px;
    animation: floatPremium 5s ease-in-out infinite;
    border: 1px solid var(--border-light);
}

.floating-element:nth-child(1) {
    top: 8%;
    left: -8%;
    animation-delay: 0s;
}

.floating-element:nth-child(2) {
    bottom: 15%;
    right: -5%;
    animation-delay: 1.5s;
}

@keyframes floatPremium {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-12px) rotate(1deg); }
}

.floating-icon {
    width: 44px;
    height: 44px;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
}

.floating-text {
    font-weight: 500;
    font-size: 0.8125rem;
    color: var(--text-muted);
    margin-bottom: 2px;
}

.floating-value {
    color: var(--text);
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

/* ==================== Benefits Section - Why Choose ==================== */
.benefits {
    background: var(--white);
    padding: var(--section-padding) 0;
    border-top: 1px solid var(--border-light);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 48px;
}

.benefit-item {
    text-align: center;
}

.benefit-icon {
    width: 64px;
    height: 64px;
    background: var(--primary-subtle);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    transition: var(--transition);
}

.benefit-icon svg {
    width: 28px;
    height: 28px;
    color: var(--primary);
}

.benefit-item:hover .benefit-icon {
    background: var(--gradient-primary);
    transform: scale(1.05);
}

.benefit-item:hover .benefit-icon svg {
    color: var(--white);
}

.benefit-item h3 {
    font-size: 1.125rem;
    margin-bottom: 8px;
    color: var(--text);
}

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

/* ==================== Services Section - Apple Style ==================== */
.services {
    background: var(--light);
    padding: var(--section-padding) 0;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.service-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: 40px 32px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    border: 1px solid var(--border-light);
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: transparent;
}

.service-icon {
    width: 56px;
    height: 56px;
    background: var(--primary-subtle);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 28px;
    transition: var(--transition);
}

.service-card:hover .service-icon {
    background: var(--gradient-primary);
}

.service-icon svg {
    width: 26px;
    height: 26px;
    color: var(--primary);
    transition: var(--transition);
}

.service-card:hover .service-icon svg {
    color: var(--white);
}

.service-card h3 {
    font-size: 1.25rem;
    margin-bottom: 12px;
    color: var(--text);
}

.service-card p {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    margin-bottom: 24px;
    line-height: 1.65;
}

.service-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    color: var(--primary);
    font-size: 0.9375rem;
}

.service-link svg {
    width: 16px;
    height: 16px;
    transition: var(--transition-fast);
}

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

/* ==================== Case Studies Section ==================== */
.case-studies {
    background: var(--white);
    padding: var(--section-padding) 0;
}

.case-studies-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    margin-bottom: 48px;
}

.case-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    border: 1px solid var(--border);
    transition: var(--transition);
}

.case-card:hover {
    box-shadow: var(--shadow-lg);
    border-color: transparent;
    transform: translateY(-4px);
}

.case-card-visual {
    height: 180px;
    background: var(--light);
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.case-card-visual::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient-primary);
    opacity: 0.08;
}

.case-metric {
    position: relative;
    z-index: 1;
    text-align: center;
}

.case-metric-value {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary);
    letter-spacing: -0.03em;
    line-height: 1;
    margin-bottom: 8px;
}

.case-metric-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.case-card-content {
    padding: 28px;
}

.case-card-tag {
    display: inline-block;
    padding: 4px 12px;
    background: var(--primary-subtle);
    color: var(--primary);
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.case-card h3 {
    font-size: 1.125rem;
    margin-bottom: 12px;
    color: var(--text);
}

.case-card p {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    margin-bottom: 20px;
    line-height: 1.6;
}

.case-card-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--primary);
}

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

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

.case-studies-cta {
    text-align: center;
}

/* ==================== Stats Section - Premium ==================== */
.stats {
    background: var(--gradient-dark);
    padding: 100px 0;
    position: relative;
    overflow: hidden;
}

.stats::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 50%, rgba(17, 181, 138, 0.15) 0%, transparent 50%);
    pointer-events: none;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 48px;
    position: relative;
    z-index: 1;
}

.stat-item {
    text-align: center;
    position: relative;
}

.stat-item::after {
    content: '';
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 1px;
    height: 60px;
    background: rgba(255, 255, 255, 0.12);
}

.stat-item:last-child::after {
    display: none;
}

.stat-number {
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 8px;
    letter-spacing: -0.03em;
    background: linear-gradient(135deg, var(--primary-light) 0%, #7FDBDA 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 0.9375rem;
    color: rgba(255, 255, 255, 0.7);
    font-weight: 500;
}

/* ==================== Process Section ==================== */
.process {
    background: var(--white);
    padding: var(--section-padding) 0;
}

.process-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
    position: relative;
}

.process-grid::before {
    content: '';
    position: absolute;
    top: 44px;
    left: 12%;
    right: 12%;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), var(--primary-light));
    z-index: 0;
    opacity: 0.3;
}

.process-step {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: 0 16px;
}

.process-number {
    width: 56px;
    height: 56px;
    background: var(--white);
    border: 2px solid var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--primary);
    margin: 0 auto 24px;
    transition: var(--transition);
}

.process-step:hover .process-number {
    background: var(--gradient-primary);
    color: var(--white);
    border-color: transparent;
    transform: scale(1.1);
}

.process-step h3 {
    font-size: 1.125rem;
    margin-bottom: 12px;
    color: var(--text);
}

.process-step p {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ==================== Testimonials Section ==================== */
.testimonials {
    background: var(--light);
    padding: var(--section-padding) 0;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.testimonial-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: 36px;
    border: 1px solid var(--border-light);
    transition: var(--transition);
}

.testimonial-card:hover {
    box-shadow: var(--shadow-lg);
    border-color: transparent;
    transform: translateY(-4px);
}

.testimonial-rating {
    display: flex;
    gap: 4px;
    margin-bottom: 20px;
}

.testimonial-rating svg {
    width: 18px;
    height: 18px;
    color: #FFB800;
    fill: #FFB800;
}

.testimonial-quote {
    font-size: 1rem;
    color: var(--text);
    line-height: 1.7;
    margin-bottom: 28px;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 14px;
}

.testimonial-avatar {
    width: 48px;
    height: 48px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    font-weight: 600;
    color: var(--white);
}

.testimonial-info h4 {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 2px;
}

.testimonial-info p {
    font-size: 0.8125rem;
    color: var(--text-muted);
    margin-bottom: 0;
}

/* ==================== Blog Section ==================== */
.blog-section {
    background: var(--white);
    padding: var(--section-padding) 0;
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    margin-bottom: 48px;
}

.blog-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    border: 1px solid var(--border);
    transition: var(--transition);
}

.blog-card:hover {
    box-shadow: var(--shadow-lg);
    border-color: transparent;
    transform: translateY(-4px);
}

.blog-card-image {
    height: 200px;
    background: var(--light);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.blog-card-image svg {
    width: 48px;
    height: 48px;
    color: var(--text-muted);
    opacity: 0.4;
}

.blog-card-content {
    padding: 28px;
}

.blog-card-meta {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 14px;
    font-size: 0.8125rem;
    color: var(--text-muted);
}

.blog-card h3 {
    font-size: 1.125rem;
    margin-bottom: 12px;
    color: var(--text);
    line-height: 1.4;
}

.blog-card h3 a:hover {
    color: var(--primary);
}

.blog-card p {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    margin-bottom: 20px;
    line-height: 1.6;
}

.blog-card-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--primary);
}

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

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

.blog-section-cta {
    text-align: center;
}

/* ==================== Contact Section ==================== */
.contact {
    background: var(--white);
    padding: var(--section-padding) 0;
}

.contact-inner {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 80px;
    align-items: start;
}

.contact-content h2 {
    margin-bottom: 20px;
}

.contact-content > p {
    font-size: 1.125rem;
    margin-bottom: 40px;
    color: var(--text-secondary);
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 16px;
}

.contact-icon {
    width: 52px;
    height: 52px;
    background: var(--primary-subtle);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
}

.contact-icon svg {
    width: 22px;
    height: 22px;
    color: var(--primary);
}

.contact-item span {
    font-weight: 500;
    color: var(--text);
    font-size: 1rem;
}

.contact-form-wrapper {
    background: var(--light);
    border-radius: var(--radius-xl);
    padding: 48px;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group {
    position: relative;
}

.form-group label {
    display: block;
    font-weight: 500;
    font-size: 0.875rem;
    margin-bottom: 8px;
    color: var(--text);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 16px 20px;
    border: 1.5px solid var(--border);
    border-radius: var(--radius-md);
    background: var(--white);
    font-family: inherit;
    font-size: 1rem;
    color: var(--text);
    transition: var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px var(--primary-subtle);
}

.form-group textarea {
    min-height: 140px;
    resize: vertical;
}

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

.contact-form .btn {
    margin-top: 8px;
}

.form-message {
    padding: 16px 20px;
    border-radius: var(--radius-md);
    font-weight: 500;
    font-size: 0.9375rem;
    display: none;
}

.form-message.success {
    background: var(--primary-subtle);
    color: var(--primary-dark);
    display: block;
}

.form-message.error {
    background: rgba(220, 53, 69, 0.1);
    color: #DC3545;
    display: block;
}

/* ==================== Final CTA Section ==================== */
.cta {
    background: var(--gradient-primary);
    padding: 120px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at 30% 30%, rgba(255, 255, 255, 0.15) 0%, transparent 40%);
    pointer-events: none;
}

.cta-content {
    position: relative;
    z-index: 1;
    max-width: 680px;
    margin: 0 auto;
}

.cta h2 {
    color: var(--white);
    margin-bottom: 20px;
    font-size: clamp(2rem, 4vw, 2.75rem);
}

.cta p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.25rem;
    margin-bottom: 40px;
    line-height: 1.65;
}

/* ==================== Footer ==================== */
.footer {
    background: var(--dark);
    padding: 80px 0 40px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
    gap: 64px;
    margin-bottom: 64px;
}

.footer-brand {
    max-width: 280px;
}

.footer-logo {
    margin-bottom: 24px;
}

.footer-logo img {
    height: 36px;
    filter: brightness(0) invert(1);
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9375rem;
    line-height: 1.7;
}

.footer-column h4 {
    color: var(--white);
    font-size: 0.9375rem;
    font-weight: 600;
    margin-bottom: 24px;
    letter-spacing: 0.02em;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9375rem;
    transition: var(--transition-fast);
}

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

.footer-contact-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 18px;
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9375rem;
}

.footer-contact-item svg {
    width: 18px;
    height: 18px;
    color: var(--primary-light);
    margin-top: 2px;
    flex-shrink: 0;
}

.footer-bottom {
    padding-top: 32px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    text-align: center;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.4);
    font-size: 0.875rem;
    margin-bottom: 0;
}

/* ==================== Scroll to Top ==================== */
.scroll-to-top {
    position: fixed;
    bottom: 32px;
    right: 32px;
    width: 48px;
    height: 48px;
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: translateY(16px);
    transition: var(--transition);
    z-index: 999;
    box-shadow: var(--shadow-md);
}

.scroll-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.scroll-to-top:hover {
    background: var(--gradient-primary);
    border-color: transparent;
    transform: translateY(-4px);
}

.scroll-to-top svg {
    width: 20px;
    height: 20px;
    color: var(--text);
    transition: var(--transition-fast);
}

.scroll-to-top:hover svg {
    color: var(--white);
}

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

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

.about-content {
    position: relative;
}

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

.about-content > p {
    font-size: 1.125rem;
    margin-bottom: 32px;
}

.about-list {
    margin-bottom: 32px;
}

.about-list li {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 16px;
}

.about-check {
    width: 24px;
    height: 24px;
    min-width: 24px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 2px;
}

.about-check svg {
    width: 14px;
    height: 14px;
    color: var(--white);
}

.about-list li span {
    font-weight: 500;
    color: var(--text);
}

.about-visual {
    position: relative;
}

.about-image {
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.about-image svg {
    width: 100%;
    height: auto;
}

.mission-card {
    position: absolute;
    bottom: -24px;
    left: -24px;
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 28px;
    box-shadow: var(--shadow-lg);
    max-width: 280px;
    border: 1px solid var(--border-light);
}

.mission-card h4 {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
    color: var(--primary);
    font-size: 1rem;
}

.mission-card p {
    font-size: 0.9375rem;
    margin-bottom: 0;
    color: var(--text-secondary);
}

/* ==================== Responsive Design ==================== */
@media (max-width: 1024px) {
    :root {
        --section-padding: 80px;
    }

    .hero-inner {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 60px;
    }

    .hero-content {
        max-width: 600px;
        margin: 0 auto;
    }

    .hero-text {
        margin: 0 auto 40px;
    }

    .hero-buttons {
        justify-content: center;
    }

    .hero-visual {
        max-width: 500px;
        margin: 0 auto;
    }

    .benefits-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 40px;
    }

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

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

    .about-inner {
        grid-template-columns: 1fr;
        gap: 60px;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 40px;
    }

    .stat-item:nth-child(2)::after {
        display: none;
    }

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

    .process-grid::before {
        display: none;
    }

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

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

    .contact-inner {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 48px;
    }
}

/* ==================== Full-Screen Overlay Mobile Menu ==================== */

/* Body lock when menu is open */
body.menu-open {
    overflow: hidden;
    position: fixed;
    width: 100%;
    height: 100%;
}

/* Mobile Menu Toggle Button */
.menu-toggle {
    display: none;
    position: relative;
    width: 48px;
    height: 48px;
    background: transparent;
    border: none;
    cursor: pointer;
    z-index: 10000;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 12px;
    border-radius: 8px;
    transition: background 0.3s ease;
}

.menu-toggle:hover {
    background: rgba(17, 181, 138, 0.1);
}

.menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--text);
    border-radius: 2px;
    transition: all 0.3s ease;
    transform-origin: center;
}

/* Hamburger to X animation */
.menu-toggle.active span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

.menu-toggle.active span:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

.menu-toggle.active span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

/* Mobile Overlay */
.mobile-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.3);
    z-index: 9997;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.mobile-overlay.active {
    opacity: 1;
}

@media (max-width: 992px) {
    /* Show hamburger menu on mobile/tablet */
    .menu-toggle {
        display: flex !important;
        position: relative;
        z-index: 10000;
    }

    /* Mobile Navigation Overlay */
    .nav {
        position: fixed !important;
        top: 0 !important;
        left: 0 !important;
        right: 0 !important;
        bottom: 0 !important;
        width: 100% !important;
        height: 100vh !important;
        height: 100dvh !important;
        background: linear-gradient(180deg, #ffffff 0%, #f8fcfb 100%) !important;
        display: flex !important;
        flex-direction: column !important;
        align-items: center !important;
        justify-content: flex-start !important;
        gap: 0 !important;
        padding: 100px 24px 40px !important;
        z-index: 9998 !important;
        overflow-y: auto !important;
        -webkit-overflow-scrolling: touch;
        transform: translateX(100%) !important;
        opacity: 0 !important;
        visibility: hidden !important;
        pointer-events: none !important;
        transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1),
                    opacity 0.4s ease,
                    visibility 0.4s ease;
    }

    .nav.active {
        transform: translateX(0) !important;
        opacity: 1 !important;
        visibility: visible !important;
        pointer-events: auto !important;
    }

    /* Nav Items */
    .nav-item {
        width: 100%;
        max-width: 320px;
        margin-bottom: 4px;
    }

    .nav-link {
        display: block;
        text-align: center;
        padding: 16px 20px;
        font-size: 1.125rem;
        font-weight: 600;
        color: var(--text);
        border-radius: 12px;
        transition: all 0.2s ease;
    }

    .nav-link:hover,
    .nav-link:active {
        color: var(--primary);
        background: rgba(17, 181, 138, 0.08);
    }

    .nav-link.active {
        color: var(--primary);
    }

    /* Dropdown styling for mobile */
    .nav-item.has-dropdown > .nav-link {
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
    }

    .nav-item.has-dropdown > .nav-link::after {
        content: '';
        display: block;
        width: 8px;
        height: 8px;
        border-right: 2px solid currentColor;
        border-bottom: 2px solid currentColor;
        transform: rotate(45deg);
        transition: transform 0.3s ease;
        margin-top: -4px;
    }

    .nav-item.has-dropdown.active > .nav-link::after {
        transform: rotate(-135deg);
        margin-top: 4px;
    }

    /* Mobile Dropdown */
    .nav-item.has-dropdown .dropdown {
        position: static !important;
        left: auto !important;
        top: auto !important;
        width: 100% !important;
        max-height: 0;
        overflow: hidden;
        opacity: 0;
        visibility: hidden;
        background: rgba(17, 181, 138, 0.04);
        border-radius: 12px;
        margin-top: 8px;
        padding: 0;
        box-shadow: none !important;
        border: none !important;
        transform: none !important;
        transition: max-height 0.4s ease,
                    opacity 0.3s ease,
                    visibility 0.3s ease,
                    padding 0.3s ease;
    }

    .nav-item.has-dropdown.active .dropdown {
        max-height: 400px;
        opacity: 1;
        visibility: visible;
        padding: 8px 0;
        transform: none !important;
    }

    .dropdown-link {
        display: block;
        text-align: center;
        padding: 12px 16px;
        font-size: 1rem;
        font-weight: 500;
        color: var(--text-secondary);
        border-radius: 8px;
        margin: 2px 8px;
        transition: all 0.2s ease;
    }

    .dropdown-link:hover,
    .dropdown-link:active {
        color: var(--primary);
        background: rgba(17, 181, 138, 0.08);
    }

    /* Language Switcher */
    .lang-switcher {
        margin: 24px 0 16px;
        padding: 4px;
        background: var(--light);
        border-radius: 50px;
    }

    .lang-btn {
        padding: 10px 24px;
        font-size: 0.9375rem;
    }

    /* CTA Button in mobile menu */
    .nav-cta {
        margin-top: 20px;
        width: 100%;
        max-width: 320px;
    }

    .nav-cta .btn {
        width: 100%;
        padding: 16px 32px;
        font-size: 1rem;
        justify-content: center;
    }

    /* Hide desktop elements */
    .header .btn-primary:not(.nav-cta .btn) {
        display: none;
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: 64px;
    }

    .nav {
        padding: 90px 20px 32px;
    }

    .nav-link {
        padding: 14px 16px;
        font-size: 1.0625rem;
    }

    .dropdown-link {
        padding: 10px 12px;
        font-size: 0.9375rem;
    }

    .nav-cta .btn {
        padding: 14px 28px;
    }
}

@media (max-width: 480px) {
    .nav {
        padding: 85px 16px 24px;
    }

    .nav-item {
        max-width: 100%;
    }

    .nav-cta {
        max-width: 100%;
    }
}

/* Additional responsive styles */
@media (max-width: 768px) {
    .benefits-grid,
    .services-grid,
    .case-studies-grid,
    .stats-grid,
    .process-grid,
    .testimonials-grid,
    .blog-grid {
        grid-template-columns: 1fr;
    }

    .stat-item::after {
        display: none;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 40px;
    }

    .footer-brand {
        max-width: none;
    }

    .footer-contact-item {
        justify-content: center;
    }

    .floating-element {
        display: none;
    }

    .mission-card {
        position: static;
        margin-top: 24px;
        max-width: none;
    }

    .contact-form-wrapper {
        padding: 32px 24px;
    }

    .form-row {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }

    .btn {
        padding: 14px 24px;
        font-size: 0.9375rem;
        width: 100%;
    }

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

    .service-card,
    .testimonial-card,
    .case-card {
        padding: 28px 24px;
    }
}

/* ==================== Animation Classes ==================== */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

.scale-in {
    opacity: 0;
    transform: scale(0.95);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

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

/* Smooth scroll offset for fixed header */
html {
    scroll-padding-top: 80px;
}

/* ==================== What We Do Carousel ==================== */
.what-we-do-section {
    padding: 100px 0;
    background: linear-gradient(180deg, #FAFAFA 0%, #FFFFFF 100%);
    overflow: hidden;
}

.what-we-do-section .section-header {
    text-align: center;
    margin-bottom: 60px;
}

.carousel-wrapper {
    width: 100%;
    overflow: hidden;
    padding: 20px 0;
    position: relative;
}

.carousel-wrapper::before,
.carousel-wrapper::after {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    width: 100px;
    z-index: 2;
    pointer-events: none;
}

.carousel-wrapper::before {
    left: 0;
    background: linear-gradient(90deg, #FAFAFA 0%, transparent 100%);
}

.carousel-wrapper::after {
    right: 0;
    background: linear-gradient(270deg, #FAFAFA 0%, transparent 100%);
}

.carousel-track {
    display: flex;
    gap: 20px;
    animation: carouselScroll 240s linear infinite;
    width: max-content;
}

.carousel-track:hover {
    animation-play-state: paused;
}

@keyframes carouselScroll {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-33.333%);
    }
}

.carousel-item {
    flex-shrink: 0;
}

.carousel-card {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 18px 28px;
    background: var(--white);
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-card);
    border: 1px solid var(--border-light);
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}

.carousel-card:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
    background: linear-gradient(135deg, rgba(17, 181, 138, 0.05) 0%, rgba(17, 181, 138, 0.02) 100%);
}

.carousel-card-icon {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: 50%;
    flex-shrink: 0;
}

.carousel-card-icon svg {
    width: 18px;
    height: 18px;
    stroke: white;
}

.carousel-card-text {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text);
    letter-spacing: -0.01em;
}

/* Article Modal */
.article-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 10000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.article-modal.active {
    display: flex;
}

.article-modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.article-modal-content {
    position: relative;
    background: var(--white);
    border-radius: var(--radius-lg);
    max-width: 900px;
    width: 100%;
    max-height: 85vh;
    overflow: hidden;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.25);
    animation: modalSlideIn 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(30px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.article-modal-close {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--light);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition);
    z-index: 10;
}

.article-modal-close:hover {
    background: var(--border);
    transform: rotate(90deg);
}

.article-modal-close svg {
    width: 20px;
    height: 20px;
    stroke: var(--text);
}

.article-modal-header {
    padding: 40px 40px 20px;
    border-bottom: 1px solid var(--border-light);
}

.article-modal-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text);
    padding-right: 50px;
    line-height: 1.3;
}

.article-modal-body {
    padding: 30px 40px 40px;
    overflow-y: auto;
    max-height: calc(85vh - 120px);
    font-size: 1rem;
    line-height: 1.8;
    color: var(--text-secondary);
}

.article-modal-body h1,
.article-modal-body h2,
.article-modal-body h3,
.article-modal-body h4 {
    color: var(--text);
    margin: 1.5em 0 0.75em;
    line-height: 1.3;
}

.article-modal-body h1 { font-size: 1.5rem; }
.article-modal-body h2 { font-size: 1.35rem; }
.article-modal-body h3 { font-size: 1.2rem; }
.article-modal-body h4 { font-size: 1.1rem; }

.article-modal-body p {
    margin-bottom: 1em;
}

.article-modal-body ul,
.article-modal-body ol {
    margin: 1em 0;
    padding-left: 1.5em;
}

.article-modal-body li {
    margin-bottom: 0.5em;
    list-style: disc;
}

.article-modal-body ol li {
    list-style: decimal;
}

.article-modal-body a {
    color: var(--primary);
    text-decoration: underline;
}

.article-modal-body a:hover {
    color: var(--primary-dark);
}

/* Responsive Carousel */
@media (max-width: 768px) {
    .what-we-do-section {
        padding: 60px 0;
    }

    .carousel-wrapper::before,
    .carousel-wrapper::after {
        width: 40px;
    }

    .carousel-card {
        padding: 14px 20px;
        gap: 10px;
    }

    .carousel-card-icon {
        width: 30px;
        height: 30px;
    }

    .carousel-card-icon svg {
        width: 14px;
        height: 14px;
    }

    .carousel-card-text {
        font-size: 0.875rem;
    }

    .article-modal-content {
        max-height: 90vh;
        border-radius: var(--radius-md);
    }

    .article-modal-header {
        padding: 30px 24px 16px;
    }

    .article-modal-title {
        font-size: 1.35rem;
    }

    .article-modal-body {
        padding: 20px 24px 30px;
        max-height: calc(90vh - 100px);
    }

    .article-modal-close {
        top: 12px;
        right: 12px;
        width: 40px;
        height: 40px;
    }
}