/* ============================================
   VACH SYSTEMS - PREMIUM DESIGN
   Inspired by: Apple, Stripe, Notion, Linear
   ============================================ */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    hyphens: none;
    -webkit-hyphens: none;
    word-break: normal;
}

:root {
    --black: #000000;
    --white: #FFFFFF;
    --gray-50: #F9FAFB;
    --gray-100: #F3F4F6;
    --gray-200: #E5E7EB;
    --gray-300: #D1D5DB;
    --gray-400: #9CA3AF;
    --gray-500: #6B7280;
    --gray-600: #4B5563;
    --gray-700: #374151;
    --gray-800: #1F2937;
    --gray-900: #111827;
    --accent: #0066FF;
    --accent-light: #3B82F6;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    font-size: 1rem;
    line-height: 1.6;
    color: var(--gray-900);
    background: var(--white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
    width: 100%;
    max-width: 100vw;
}

/* === MOBILE OVERFLOW PREVENTION === */
* {
    max-width: 100%;
}

img, 
video, 
iframe,
svg {
    max-width: 100%;
    height: auto;
}

/* Prevent text overflow */
h1, h2, h3, h4, h5, h6, p, span, div {
    word-wrap: break-word;
    overflow-wrap: break-word;
}

/* Constrain all sections */
section {
    max-width: 100vw;
    overflow-x: hidden;
}

/* Mobile email CTA - hidden by default, shown on mobile */
.mobile-email-cta {
    display: none;
}

/* === HAMBURGER MENU === */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 0.5rem;
    z-index: 1001;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--black);
    border-radius: 2px;
    transition: all 0.3s ease;
}

/* Mobile menu overlay */
.mobile-menu {
    display: none;
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: white;
    box-shadow: -4px 0 20px rgba(0,0,0,0.1);
    z-index: 1000;
    transition: right 0.3s ease;
    padding: 5rem 2rem 2rem;
}

.mobile-menu.active {
    right: 0;
}

.mobile-menu a {
    display: block;
    padding: 1rem 0;
    color: var(--black);
    text-decoration: none;
    font-weight: 600;
    font-size: 1.125rem;
    border-bottom: 1px solid var(--gray-200);
    transition: color 0.2s;
}

.mobile-menu a:hover {
    color: var(--accent);
}

.mobile-menu .nav-cta {
    background: var(--black);
    color: white;
    padding: 1rem;
    text-align: center;
    border-radius: 8px;
    margin-top: 1.5rem;
    border-bottom: none;
}

/* Overlay backdrop */
.menu-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    z-index: 999;
    opacity: 0;
    transition: opacity 0.3s ease;
}

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

/* Hamburger animation when open */
.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* === NAVIGATION === */
.nav-minimal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255,255,255,0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--gray-200);
    z-index: 1000;
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 1.25rem 3rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo-minimal {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--black);
    text-decoration: none;
}

.logo-mark {
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, #000000 0%, #1F2937 100%);
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.logo-mark::before {
    content: 'V';
    color: var(--white);
    font-size: 1.25rem;
    font-weight: 900;
    font-family: 'Inter', sans-serif;
}

.logo-mark::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 50%;
    transform: translateX(-50%);
    width: 12px;
    height: 2px;
    background: #00D9FF;
    border-radius: 2px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2.5rem;
}

.nav-links a {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--gray-700);
    text-decoration: none;
    transition: color 0.2s;
}

.nav-links a:hover {
    color: var(--black);
}

.nav-cta {
    background: var(--black);
    color: var(--white);
    padding: 0.6rem 1.5rem;
    border-radius: 8px;
    transition: transform 0.2s;
}

.nav-cta:hover {
    transform: scale(1.02);
}

/* === HERO FULLSCREEN === */
.hero-fullscreen {
    position: relative;
    min-height: clamp(680px, 78vh, 900px);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    overflow: hidden;
    padding-top: 60px;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 0;
}

.hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: brightness(0.4);
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(180deg, rgba(0,0,0,0.6) 0%, rgba(0,0,0,0.8) 100%);
}

.hero-container {
    position: relative;
    z-index: 1;
    max-width: 1000px;
    padding: 0 2rem;
}

.hero-badge {
    display: inline-block;
    padding: 0.5rem 1.25rem;
    background: rgba(255,255,255,0.15);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: 50px;
    color: var(--white);
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 2rem;
    margin-top: 50px;
}

.hero-title {
    font-size: clamp(2.6rem, 4vw, 5rem);
    font-weight: 900;
    color: var(--white);
    line-height: 1.05;
    letter-spacing: -0.04em;
    margin-bottom: 1.5rem;
    max-width: 90%;
    margin-left: auto;
    margin-right: auto;
}

.gradient-text {
    background: linear-gradient(135deg, #00D9FF, #4DFFF3);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: clamp(1.05rem, 1.3vw, 1.25rem);
    line-height: 1.7;
    color: rgba(255,255,255,0.85);
    margin-bottom: 3rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero-subtitle-max {
    max-width: 800px;
}

.hero-actions {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    margin-bottom: 4rem;
}

.btn-hero-primary,
.btn-hero-secondary {
    padding: 1.125rem 2.5rem;
    font-size: 1.0625rem;
    font-weight: 600;
    border-radius: 12px;
    text-decoration: none;
    transition: all 0.3s;
}

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

.btn-hero-primary:hover {
    transform: scale(1.05);
    box-shadow: 0 20px 60px rgba(255,255,255,0.3);
}

.btn-hero-secondary {
    background: transparent;
    color: var(--white);
    border: 2px solid rgba(255,255,255,0.3);
}

.btn-hero-secondary:hover {
    border-color: rgba(255,255,255,0.6);
    background: rgba(255,255,255,0.1);
}

.hero-stats {
    display: flex;
    gap: clamp(24px, 4vw, 72px);
    justify-content: center;
    flex-wrap: wrap;
}

.stat {
    text-align: center;
}

.stat-big {
    display: block;
    font-size: clamp(2rem, 3vw, 4rem);
    font-weight: 800;
    color: var(--white);
    line-height: 1;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.9rem;
    color: rgba(255,255,255,0.7);
    font-weight: 500;
}

.scroll-indicator {
    position: absolute;
    bottom: 3rem;
    left: 50%;
    transform: translateX(-50%);
    font-size: 2rem;
    color: rgba(255,255,255,0.5);
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(10px); }
}

/* === VISUAL SPLIT SECTION === */
.section-visual-split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: stretch;
    position: relative;
}

.visual-half {
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 0;
}

.visual-half img {
    width: 100%;
    height: 100%;
    min-height: 520px;
    max-height: 760px;
    object-fit: cover;
    object-position: center;
}

.content-half {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: clamp(40px, 4vw, 80px);
    min-width: 0;
}

.section-label {
    display: inline-block;
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 1.5rem;
}

.split-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin-bottom: 2rem;
    color: var(--black);
}

.split-subtitle {
    font-size: 1.125rem;
    line-height: 1.7;
    color: var(--gray-700);
    margin-bottom: 2.5rem;
}

.split-subtitle-large {
    font-size: 1.5rem;
    line-height: 1.6;
    color: var(--gray-600);
    margin-bottom: 3rem;
}

.service-list {
    display: grid;
    gap: 2rem;
}

.service-item-title {
    font-size: 1.25rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
}

.service-item-text {
    font-size: 1.125rem;
    color: var(--gray-600);
    line-height: 1.6;
}

.problem-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.75rem;
    margin-bottom: 2.5rem;
}

.problem-item-title {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--black);
    margin-bottom: 0.5rem;
}

.problem-item-text {
    font-size: 1rem;
    line-height: 1.6;
    color: var(--gray-600);
}

.impact-card {
    background: var(--gray-50);
    border: 2px solid var(--gray-200);
    border-radius: 16px;
    padding: 2rem;
}

.impact-number {
    font-size: 3.5rem;
    font-weight: 900;
    color: var(--black);
    line-height: 1;
}

.impact-unit {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--gray-600);
}

.impact-label {
    font-size: 1rem;
    line-height: 1.5;
    color: var(--gray-600);
}

.content-half h2 {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin-bottom: 3rem;
}

.problem-list {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    margin-bottom: 3rem;
}

.problem-item {
    display: flex;
    gap: 1.5rem;
    align-items: flex-start;
}

.problem-icon {
    font-size: 2.5rem;
    flex-shrink: 0;
}

.problem-text h4 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.problem-text p {
    font-size: 1rem;
    color: var(--gray-600);
    margin: 0;
}

.impact-box {
    background: var(--gray-50);
    border: 2px solid var(--gray-200);
    border-radius: 16px;
    padding: 2rem;
    text-align: center;
}

.impact-stat {
    font-size: 3rem;
    font-weight: 900;
    color: var(--black);
    line-height: 1;
    margin-bottom: 0.75rem;
}

.impact-label {
    font-size: 1rem;
    color: var(--gray-600);
}

/* === PRODUCT SHOWCASE === */
.section-product-showcase {
    padding: 10rem 3rem;
    background: var(--gray-50);
}

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

.section-label-center {
    display: block;
    text-align: center;
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 1.5rem;
}

.section-title-center {
    font-size: 4rem;
    font-weight: 800;
    text-align: center;
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin-bottom: 1.5rem;
}

.section-subtitle-center {
    font-size: 1.25rem;
    text-align: center;
    color: var(--gray-600);
    max-width: 700px;
    margin: 0 auto 5rem;
}

.product-screen {
    position: relative;
    border-radius: 24px;
    overflow: hidden;
    box-shadow: 0 40px 100px rgba(0,0,0,0.15);
    margin-bottom: 5rem;
}

.product-screen img {
    width: 100%;
    display: block;
}

.screen-badge {
    position: absolute;
    top: 2rem;
    left: 2rem;
    padding: 0.75rem 1.5rem;
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(10px);
    border-radius: 12px;
    font-weight: 700;
    font-size: 0.9rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.feature-card {
    text-align: center;
    padding: 2rem;
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.feature-card h4 {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.feature-card p {
    font-size: 0.95rem;
    color: var(--gray-600);
    margin: 0;
}

.solution-features {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

.solution-features > div {
    text-align: center;
    padding: 2rem 1.5rem;
}

.solution-features h4 {
    font-size: 1.25rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
    color: var(--black);
}

.solution-features p {
    font-size: 1rem;
    color: var(--gray-600);
    margin: 0;
}

/* === CASE STUDY === */
.section-case-study {
    padding: 10rem 3rem;
    background: var(--white);
}

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

.case-header {
    text-align: center;
    margin-bottom: 5rem;
    width: 100%;
    max-width: 100%;
}

.case-header h2 {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.03em;
    width: 100%;
    max-width: 100%;
    word-break: normal;
    overflow-wrap: normal;
    white-space: normal;
}

.case-visual {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 3rem;
    align-items: center;
    margin-bottom: 5rem;
}

.case-before,
.case-after {
    border-radius: 20px;
    overflow: hidden;
    border: 2px solid var(--gray-200);
}

.case-label {
    padding: 1rem;
    background: var(--gray-100);
    text-align: center;
    font-weight: 700;
    color: var(--gray-700);
}

.case-label.success {
    background: #10B981;
    color: var(--white);
}

.case-before img,
.case-after img {
    width: 100%;
    height: 300px;
    object-fit: cover;
}

.case-stats-bad,
.case-stats-good {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.case-stat {
    font-weight: 600;
    font-size: 0.95rem;
}

.case-arrow {
    font-size: 3rem;
    color: var(--gray-400);
}

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

.result-item {
    text-align: center;
    padding: 3rem 2rem;
    background: var(--gray-50);
    border-radius: 20px;
}

.result-number {
    font-size: 4rem;
    font-weight: 900;
    color: var(--black);
    line-height: 1;
    margin-bottom: 1rem;
}

.result-text {
    font-size: 1.125rem;
    color: var(--gray-600);
    font-weight: 600;
}

/* === PROCESS TIMELINE === */
.section-process {
    padding: 10rem 3rem;
    background: var(--gray-50);
}

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

.process-timeline {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 3rem;
    margin-top: 5rem;
}

.process-step {
    text-align: center;
}

.step-image {
    border-radius: 16px;
    overflow: hidden;
    margin-bottom: 1.5rem;
    box-shadow: 0 10px 40px rgba(0,0,0,0.08);
}

.step-image img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.step-number {
    width: 50px;
    height: 50px;
    margin: 0 auto 1rem;
    background: var(--black);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 1.25rem;
}

.process-step h4 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.process-step p {
    font-size: 1rem;
    color: var(--gray-600);
    margin-bottom: 1rem;
}

.step-duration {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--accent);
}

/* === TECH SECTION === */
.section-tech {
    position: relative;
    padding: 10rem 3rem;
    overflow: visible;
}

.tech-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 0;
}

.tech-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: brightness(0.3);
}

.tech-container {
    position: relative;
    z-index: 1;
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.section-label-light {
    display: inline-block;
    font-size: 0.875rem;
    font-weight: 700;
    color: rgba(255,255,255,0.7);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 1.5rem;
}

.section-title-light {
    font-size: 4rem;
    font-weight: 800;
    color: var(--white);
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin-bottom: 4rem;
}

.tech-logos {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 1.5rem;
    max-width: 1100px;
    margin: 0 auto;
}

.tech-logo {
    position: relative;
    padding: 1.25rem 2rem;
    background: rgba(255,255,255,0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: 12px;
    color: var(--white);
    font-weight: 600;
    font-size: 1.125rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.tech-logo:hover {
    background: rgba(255,255,255,0.2);
    border-color: rgba(255,255,255,0.4);
    transform: translateY(-4px);
}

.tech-logo:active {
    transform: translateY(-2px);
}

/* Tooltip */
.tech-logo::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(-10px);
    background: rgba(0,0,0,0.95);
    color: white;
    padding: 0.75rem 1rem;
    border-radius: 8px;
    font-size: 0.875rem;
    font-weight: 400;
    line-height: 1.4;
    white-space: normal;
    width: max-content;
    max-width: 280px;
    opacity: 0;
    pointer-events: none;
    transition: all 0.3s ease;
    z-index: 1000;
    text-align: left;
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}

.tech-logo:hover::after {
    opacity: 1;
    transform: translateX(-50%) translateY(-15px);
}

/* Arrow für Tooltip */
.tech-logo::before {
    content: '';
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(-2px);
    border: 6px solid transparent;
    border-top-color: rgba(0,0,0,0.95);
    opacity: 0;
    transition: all 0.3s ease;
    z-index: 1000;
}

.tech-logo:hover::before {
    opacity: 1;
    transform: translateX(-50%) translateY(-7px);
}

/* === CTA BOLD === */
.section-cta-bold {
    padding: 10rem 3rem;
    background: var(--black);
    text-align: center;
}

.cta-container h2 {
    font-size: 4rem;
    font-weight: 900;
    color: var(--white);
    margin-bottom: 1.5rem;
    width: 100%;
    max-width: 100%;
    word-break: normal;
    overflow-wrap: normal;
    white-space: normal;
}

.cta-container p {
    font-size: 1.375rem;
    color: rgba(255,255,255,0.7);
    margin-bottom: 3rem;
}

.btn-cta-large {
    display: inline-block;
    padding: 1.5rem 3.5rem;
    background: var(--white);
    color: var(--black);
    font-size: 1.25rem;
    font-weight: 700;
    border-radius: 12px;
    text-decoration: none;
    transition: transform 0.3s;
}

.btn-cta-large:hover {
    transform: scale(1.05);
}

.cta-trust {
    display: flex;
    gap: 3rem;
    justify-content: center;
    margin-top: 3rem;
}

.cta-trust span {
    font-size: 1rem;
    color: rgba(255,255,255,0.6);
    font-weight: 500;
}

/* === FOOTER MINIMAL === */
.footer-minimal {
    padding: 4rem 3rem 2rem;
    background: var(--white);
    border-top: 1px solid var(--gray-200);
}

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

.footer-main {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 4rem;
    margin-bottom: 3rem;
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--black);
    text-decoration: none;
}

.footer-brand p {
    color: var(--gray-600);
    font-size: 0.95rem;
}

.footer-links,
.footer-contact {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-links a,
.footer-contact a {
    color: var(--gray-700);
    text-decoration: none;
    font-size: 0.95rem;
    transition: color 0.2s;
}

.footer-links a:hover,
.footer-contact a:hover {
    color: var(--black);
}

.footer-legal {
    display: flex;
    justify-content: space-between;
    padding-top: 2rem;
    border-top: 1px solid var(--gray-200);
    font-size: 0.875rem;
    color: var(--gray-600);
}

.footer-legal a {
    color: var(--gray-600);
    text-decoration: none;
}

/* ============================================
   SEO CONTENT SECTIONS
   ============================================ */

.section-seo-content {
    padding: 6rem 2rem;
    background: var(--white);
}

.section-seo-content-alt {
    padding: 6rem 2rem;
    background: var(--gray-50);
}

.container-narrow {
    max-width: 900px;
    margin: 0 auto;
}

.section-seo-content h2,
.section-seo-content-alt h2 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 2rem;
    color: var(--black);
}

.section-seo-content h3,
.section-seo-content-alt h3 {
    font-size: 1.75rem;
    font-weight: 700;
    margin: 3rem 0 1.5rem;
    color: var(--black);
}

.section-seo-content p,
.section-seo-content-alt p {
    font-size: 1.125rem;
    line-height: 1.8;
    margin-bottom: 1.5rem;
    color: var(--gray-700);
}

.section-seo-content ul,
.section-seo-content-alt ul {
    font-size: 1.125rem;
    line-height: 1.8;
    margin: 2rem 0;
    padding-left: 2rem;
    color: var(--gray-700);
}

.section-seo-content li,
.section-seo-content-alt li {
    margin-bottom: 0.75rem;
}

.process-examples {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    margin: 3rem 0;
}

.example-box {
    background: var(--white);
    padding: 2rem;
    border-radius: 12px;
    border: 2px solid var(--gray-200);
}

.example-box h4 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--black);
}

.example-box p {
    font-size: 1rem;
    line-height: 1.7;
    margin-bottom: 1rem;
    color: var(--gray-700);
}

.example-box p:last-child {
    margin-bottom: 0;
    font-weight: 600;
    color: var(--accent);
}

/* FAQ Section */
.section-faq {
    padding: 6rem 2rem;
    background: var(--white);
}

.section-faq h2 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 3rem;
    text-align: center;
    color: var(--black);
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2.5rem;
    margin-bottom: 3rem;
}

.faq-item h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: var(--black);
}

.faq-item p {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--gray-700);
}

.faq-cta {
    background: var(--gray-50);
    padding: 2.5rem;
    border-radius: 16px;
    text-align: center;
    margin-top: 4rem;
}

.faq-cta p {
    font-size: 1.125rem;
    margin-bottom: 1.5rem;
    color: var(--gray-700);
}

.btn-secondary {
    display: inline-block;
    padding: 0.875rem 2rem;
    background: var(--black);
    color: var(--white);
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    transition: transform 0.2s, opacity 0.2s;
}

.btn-secondary:hover {
    transform: translateY(-2px);
    opacity: 0.9;
}

/* ============================================
   RESPONSIVE BREAKPOINTS
   ============================================ */

/* === LARGE SCREENS (1400px+) === */
@media (min-width: 1400px) {
    .section-visual-split {
        grid-template-columns: 0.95fr 1.05fr;
    }
    
    .visual-half img {
        max-height: 720px;
    }
}

/* === DESKTOP / TABLET LANDSCAPE (max-width: 1200px) === */
@media (max-width: 1200px) {
    .section-visual-split {
        grid-template-columns: 1fr;
    }
    
    .visual-half img {
        min-height: auto;
        max-height: none;
        height: auto;
    }
    
    .content-half {
        padding: 48px 32px;
    }
    
    .process-timeline {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .features-grid,
    .solution-features {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .case-result {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .tech-logos {
        grid-template-columns: repeat(3, 1fr);
        max-width: 800px;
    }
    
    .footer-main {
        grid-template-columns: 1fr;
    }
    
    [style*="grid-template-columns: repeat(3, 1fr)"] {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* === TABLET PORTRAIT (max-width: 992px) === */
@media (max-width: 992px) {
    .case-visual {
        grid-template-columns: 1fr;
    }
    
    .case-arrow {
        transform: rotate(90deg);
        justify-self: center;
    }
}

/* === MOBILE (max-width: 768px) === */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .hamburger {
        display: flex;
    }
    
    .mobile-menu {
        display: block;
    }
    
    .menu-overlay.active {
        display: block;
    }
    
    .content-half {
        padding: 4rem 2rem;
    }
    
    .split-title {
        font-size: 2.25rem;
    }
    
    .split-subtitle {
        font-size: 1.05rem;
    }
    
    .split-subtitle-large {
        font-size: 1.125rem;
    }
    
    .service-item-title {
        font-size: 1.125rem;
    }
    
    .service-item-text {
        font-size: 1rem;
    }
    
    .impact-number {
        font-size: 3rem;
    }
    
    .section-title-center {
        font-size: 2.5rem;
    }
    
    .case-header {
        padding: 0 1.5rem;
        width: 100%;
        max-width: 100%;
    }
    
    .case-header h2 {
        font-size: 2.25rem;
        line-height: 1.3;
        max-width: 100%;
        width: 100%;
        word-break: normal;
        overflow-wrap: normal;
        white-space: normal;
        padding: 0;
    }
    
    .cta-container h2 {
        font-size: 2.25rem;
        line-height: 1.3;
        max-width: 100%;
        width: 100%;
        word-break: normal;
        overflow-wrap: normal;
        white-space: normal;
    }
    
    .features-grid,
    .solution-features,
    .process-timeline,
    .case-result {
        grid-template-columns: 1fr;
    }
    
    .solution-features {
        gap: 1.5rem;
    }
    
    .solution-features > div {
        padding: 1.5rem 1rem;
    }
    
    .result-item {
        padding: 2rem 1rem;
    }
    
    .tech-logos {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.75rem;
        max-width: 500px;
    }
    
    .tech-logo {
        flex-direction: column;
        gap: 0.5rem;
        padding: 1rem 0.75rem;
        min-height: 110px;
        display: flex;
        align-items: center;
        justify-content: flex-start;
        background: var(--gray-100);
        color: var(--black);
        border: 2px solid var(--gray-300);
        backdrop-filter: none;
    }
    
    .tech-name {
        color: var(--black);
        font-weight: 700;
        font-size: 0.95rem;
        text-align: center;
    }
    
    .tech-logo::after {
        content: attr(data-tooltip);
        display: block;
        position: static;
        background: none;
        color: var(--gray-600);
        font-size: 0.75rem;
        line-height: 1.3;
        text-align: center;
        font-weight: 400;
        opacity: 1;
        visibility: visible;
        white-space: normal;
        max-width: 100%;
        padding: 0;
        margin: 0;
        border: none;
        box-shadow: none;
        transform: none;
    }
    
    .tech-logo::before {
        display: none;
    }
    
    .section-seo-content,
    .section-seo-content-alt,
    .section-faq {
        padding: 4rem 1.5rem;
    }
    
    .section-seo-content h2,
    .section-seo-content-alt h2,
    .section-faq h2 {
        font-size: 2rem;
    }
    
    .section-seo-content h3,
    .section-seo-content-alt h3 {
        font-size: 1.5rem;
    }
    
    .faq-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .example-box {
        padding: 1.5rem;
    }
    
    [style*="grid-template-columns: repeat(3, 1fr)"],
    [style*="grid-template-columns: repeat(2, 1fr)"] {
        grid-template-columns: 1fr;
    }
}

/* === SMALL MOBILE (max-width: 640px) === */
@media (max-width: 640px) {
    html, body {
        overflow-x: hidden;
        width: 100%;
        max-width: 100vw;
    }
    
    a, button, .btn-hero-primary, .btn-cta-large, .nav-cta {
        pointer-events: auto;
        touch-action: manipulation;
        cursor: pointer;
        -webkit-tap-highlight-color: rgba(0,0,0,0.1);
    }
    
    .split-title {
        font-size: 2rem;
        line-height: 1.2;
        margin-bottom: 1.5rem;
    }
    
    .split-subtitle {
        font-size: 1rem;
        margin-bottom: 2rem;
    }
    
    .impact-card {
        padding: 1.5rem;
    }
    
    .impact-number {
        font-size: 2.5rem;
    }
    
    .impact-unit {
        font-size: 1rem;
    }
    
    .hero-fullscreen {
        position: relative;
        min-height: 100vh;
        background: #000;
    }
    
    .hero-bg {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        z-index: 1;
        overflow: hidden;
    }
    
    .hero-bg img {
        display: block;
        filter: blur(25px) brightness(2.0) contrast(1.1);
        transform: scale(1.2);
        width: 100%;
        height: 100%;
        object-fit: cover;
        position: absolute;
        opacity: 1;
    }
    
    .hero-overlay {
        display: none;
    }
    
    .hero-container {
        position: relative;
        z-index: 100;
        text-shadow: 0 2px 20px rgba(0,0,0,0.9), 0 4px 40px rgba(0,0,0,0.7);
    }
    
    .hero-title {
        font-size: 2.5rem;
        line-height: 1.1;
    }
    
    .hero-subtitle {
        font-size: 1.125rem;
        line-height: 1.7;
    }
    
    .stat-big {
        font-size: 2rem;
    }
    
    .footer-minimal,
    .footer-minimal * {
        pointer-events: auto;
        position: relative;
    }
    
    .footer-minimal a,
    .footer-links a,
    .footer-contact a,
    .footer-legal a {
        display: block;
        padding: 1rem 0;
        min-height: 48px;
        line-height: 1.5;
        font-size: 1rem;
        cursor: pointer;
        touch-action: manipulation;
        pointer-events: auto;
    }
    
    .footer-legal {
        padding: 2rem 0;
        gap: 1.5rem;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 1.5rem;
        margin-top: 2rem;
    }
    
    .btn-hero-primary,
    .btn-hero-secondary,
    .btn-cta-large {
        padding: 1rem 1.5rem;
        font-size: 1rem;
        width: 100%;
        text-align: center;
        min-height: 48px;
    }
    
    .hero-actions {
        width: 100%;
        flex-direction: column;
        gap: 1rem;
    }
    
    .content-half {
        padding: 2.5rem 1.5rem;
    }
    
    .content-half h2 {
        font-size: 1.75rem;
        line-height: 1.2;
        margin-bottom: 1.5rem;
    }
    
    .section-title-center {
        font-size: 1.875rem;
        line-height: 1.2;
    }
    
    .case-header {
        padding: 0 1.25rem;
        width: 100%;
        max-width: 100%;
    }
    
    .case-header h2 {
        font-size: 1.75rem;
        line-height: 1.3;
        max-width: 100%;
        width: 100%;
        word-break: normal;
        overflow-wrap: normal;
        white-space: normal;
        padding: 0;
        margin: 0 auto;
    }
    
    .cta-container h2 {
        font-size: 1.75rem;
        line-height: 1.3;
        max-width: 100%;
        width: 100%;
        word-break: normal;
        overflow-wrap: normal;
        white-space: normal;
        padding: 0 1rem;
        margin: 0 auto 1.5rem;
    }
    
    .cta-trust {
        flex-direction: column;
        gap: 0.75rem;
        align-items: center;
    }
    
    .nav-container {
        padding: 1rem 1.25rem;
    }
    
    .logo-minimal {
        font-size: 1rem;
    }
    
    .logo-mark {
        width: 28px;
        height: 28px;
    }
    
    .footer-main {
        gap: 2rem;
    }
    
    .footer-legal {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .mobile-email-cta {
        display: block;
    }
    
    #contactForm {
        display: none;
    }
    
    .case-result {
        display: flex;
        flex-direction: column;
        gap: 2rem;
        margin-top: 2rem;
    }
    
    .result-item {
        padding: 2rem 1rem;
        text-align: center;
        background: white;
        border-radius: 12px;
        box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    }
    
    .result-number {
        font-size: 3rem;
        line-height: 1;
        margin-bottom: 0.75rem;
    }
    
    .result-text {
        font-size: 1rem;
        line-height: 1.4;
    }
    
    .features-grid,
    .solution-features {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .solution-features > div {
        padding: 1.25rem 1rem;
    }
    
    .solution-features h4 {
        font-size: 1.125rem;
    }
    
    .solution-features p {
        font-size: 0.95rem;
    }
    
    * {
        max-width: 100vw;
    }
    
    div, section, header, footer, nav, main {
        max-width: 100%;
        overflow-x: hidden;
    }
}

/* === TOUCH IMPROVEMENTS === */
@media (hover: none) and (pointer: coarse) {
    .nav-links a,
    .footer-links a,
    .footer-contact a {
        min-height: 44px;
        display: flex;
        align-items: center;
    }
    
    .btn-hero-primary:hover,
    .btn-hero-secondary:hover,
    .btn-cta-large:hover {
        transform: none;
    }
    
    .btn-hero-primary:active,
    .btn-hero-secondary:active,
    .btn-cta-large:active {
        opacity: 0.8;
    }
}