* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    
    --bg-primary: #000000;
    --bg-secondary: #121212;
    --bg-overlay: rgba(255, 255, 255, 0.1);
    

    --text-primary: #FFFFFF;
    --text-secondary: rgba(255, 255, 255, 0.85);
    --text-muted: #4D4D4D;
    

    --border-subtle: rgba(255, 255, 255, 0.25);
    --border-medium: rgba(255, 255, 255, 0.4);
    

    --brand-primary: #00FFD1;
    --brand-hover: rgba(0, 255, 209, 0.1);
    --brand-active: #6FD2C0;
    

    --space-large: 60px;
    --space-xlarge: 100px;
    --space-xxlarge: 160px;

  --ease: cubic-bezier(.22,1,.36,1);
  --soft: cubic-bezier(.2,.9,.2,1);
  --fade: 260ms;
  --move: 720ms;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemMedia, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

.display-huge {
    font-size: 66px;
    font-weight: 600;
    line-height: 1.1;
    letter-spacing: -0.62px;
    color: var(--text-primary);
}

.display-large {
    font-size: 48px;
    font-weight: 600;
    line-height: 1.1;
    letter-spacing: -0.02em;
    color: var(--text-primary);
}

.display-medium {
    font-size: 32px;
    font-weight: 600;
    line-height: 1.25;
    letter-spacing: -0.01em;
    color: var(--text-primary);
}

.heading-1 {
    font-size: 28px;
    font-weight: 600;
    line-height: 1.2;
    letter-spacing: -0.005em;
    color: var(--text-primary);
}

.heading-2 {
    font-size: 24px;
    font-weight: 600;
    line-height: 1.3;
    letter-spacing: -0.02em;
    color: var(--text-primary);
}

.heading-3 {
    font-size: 20px;
    font-weight: 600;
    line-height: 1.4;
    letter-spacing: 0;
    color: var(--text-primary);
}

.body-large {
    font-size: 20px;
    font-weight: 500;
    line-height: 1.5;
    letter-spacing: 0;
    color: var(--text-primary);
}

.body-medium {
    font-size: 18px;
    font-weight: 400;
    line-height: 1.5;
    letter-spacing: 0;
    color: var(--text-secondary);
}

.body-small {
    font-size: 16px;
    font-weight: 400;
    line-height: 1.4;
    letter-spacing: 0;
    color: var(--text-secondary);
}

.text-accent {
    color: #D4AF37;
}

.dark-header {
    background: rgba(0, 0, 0, 0.6);
    border-bottom: 1px solid var(--border-subtle);
    padding: 12px 7.6923%;
    height: 68px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;

    backdrop-filter: blur(0px);
    -webkit-backdrop-filter: blur(0px);
    transition: background 0.4s ease, backdrop-filter 0.4s ease, box-shadow 0.4s ease;
}

.dark-header.scrolled {
    background: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(28px);
    -webkit-backdrop-filter: blur(28px);
    box-shadow: 0 6px 24px rgba(0, 0, 0, 0.45);
}


.nav-container {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.dark-logo-text {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
}

.logo-title {
    font-size: 24px;
    font-weight: 700;
    letter-spacing: 1px;
    color: var(--text-primary);
    transition: color 0.3s ease;
}

.dark-logo-text:hover .logo-title {
    color: var(--brand-primary);
}

.logo-subtitle {
    font-size: 13px;
    font-weight: 400;
    letter-spacing: 0.4px;
    color: #aaa;
    margin-top: 2px;
}

.dark-logo-text img {
    height: 64px;
}

.dark-logo-text:hover {
    color: var(--brand-primary);
}

.dark-nav {
    display: flex;
    align-items: center;
    gap: 24px;

}

.dark-nav-link {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 17px;
    font-weight: 400;
    transition: all 0.3s ease;
    position: relative;
}

.dark-nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--brand-primary);
    transition: width 0.3s ease;
}

.dark-nav-link:hover,
.dark-nav-link.active {
    color: var(--text-primary);
}

.dark-nav-link:hover::after,
.dark-nav-link.active::after {
    width: 100%;
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
}

.mobile-menu-btn span {
    width: 28px;
    height: 2px;
    background: var(--text-primary);
    transition: all 0.3s ease;
}

.hero-section {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 0;
    animation: zoomIn 20s ease-in-out infinite alternate;
}

@keyframes zoomIn {
    0% { transform: scale(1); }
    100% { transform: scale(1.1); }
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.8) 0%, rgba(0, 0, 0, 0.6) 100%);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 0 20px;
    max-width: 1000px;
}

.hero-content h1 {
    margin-bottom: 30px;
}

.hero-content p {
    margin-bottom: 40px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    text-align: center;
    color: var(--text-secondary);
    font-size: 14px;
    animation: bounce 2s infinite;
}

.scroll-line {
    width: 2px;
    height: 40px;
    background: var(--brand-primary);
    margin: 10px auto 0;
    animation: scrollLine 2s infinite;
}

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

@keyframes scrollLine {
    0% { height: 0; }
    50% { height: 40px; }
    100% { height: 0; }
}

.btn-primary {
    background: var(--brand-primary);
    color: #000000;
    border: none;
    border-radius: 0px;
    padding: 14px 24px;
    font-size: 18px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.4s ease-in-out;
    min-height: 56px;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    line-height: 1.2;
    letter-spacing: 0;
}

.btn-primary:hover {
    background: var(--brand-hover);
    color: var(--brand-primary);
    transform: translateY(-2px);
    box-shadow: 0 8px 32px rgba(0, 255, 209, 0.3);
}

.btn-primary:active {
    background: var(--brand-active);
    transform: scale(0.98);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: #FFFFFF;
    border: none;
    border-radius: 0px;
    padding: 14px 24px;
    font-size: 18px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.4s ease-in-out;
    min-height: 56px;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    line-height: 1.2;
    letter-spacing: 0;
}

.btn-secondary:hover {
    background: #FFFFFF;
    color: #000000;
    transform: translateY(-2px);
    box-shadow: 0 8px 32px rgba(255, 255, 255, 0.2);
}

.btn-secondary:active {
    background: #F0F0F0;
    transform: scale(0.98);
}

.dark-container {
    background: var(--bg-primary);
    padding: var(--space-xlarge) 7.6923%;
    position: relative;
}

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

.section-header p {
    margin-top: 20px;
    color: var(--text-secondary);
}

.services-section {
    padding: var(--space-xxlarge) 7.6923%;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
    gap: 60px;
    max-width: 1400px;
    margin: 0 auto;
}

.services-grid > .service-card:nth-last-child(1):nth-child(odd) {
    grid-column: 1 / -1;
    justify-self: center;
    max-width: 600px;
}

.service-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-subtle);
    overflow: hidden;
    transition: all 0.4s ease-in-out;
    position: relative;
}

.service-card:hover {
    transform: translateY(-8px);
    border-color: var(--brand-primary);
    box-shadow: 0 16px 48px rgba(0, 255, 209, 0.2);
}

.service-image {
    position: relative;
    height: 350px;
    overflow: hidden;
}

.service-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.service-card:hover .service-image img {
    transform: scale(1.1);
}

.service-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, transparent 0%, rgba(0, 0, 0, 0.6) 100%);
}

.service-content {
    padding: 40px;
}

.service-content h3 {
    margin-bottom: 20px;
}

.service-content p {
    margin-bottom: 30px;
}

.service-link {
    color: var(--brand-primary);
    text-decoration: none;
    font-size: 18px;
    font-weight: 500;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.service-link:hover {
    gap: 15px;
    color: var(--brand-active);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 60px;
    max-width: 1200px;
    margin: 0 auto var(--space-large);
}

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

.stat-number {
    font-size: 72px;
    font-weight: 700;
    color: var(--brand-primary);
    line-height: 1;
    margin-bottom: 20px;
}

.stat-label {
    font-size: 20px;
    color: var(--text-secondary);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    max-width: 1400px;
    margin: 0 auto;
}

.feature-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-subtle);
    padding: 40px;
    transition: all 0.4s ease-in-out;
}

.feature-card:hover {
    border-color: var(--brand-primary);
    transform: translateY(-5px);
    box-shadow: 0 12px 40px rgba(0, 255, 209, 0.15);
}

.feature-icon {
    font-size: 48px;
    color: var(--brand-primary);
    margin-bottom: 20px;
}

.feature-card h3 {
    margin-bottom: 15px;
}

.cta-section {
    background: var(--bg-secondary);
    padding: var(--space-xxlarge) 7.6923%;
    text-align: center;
    position: relative;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 255, 209, 0.05) 0%, transparent 100%);
    pointer-events: none;
}

.cta-content {
    position: relative;
    z-index: 1;
    max-width: 900px;
    margin: 0 auto;
}

.cta-content h2 {
    margin-bottom: 30px;
}

.cta-content p {
    margin-bottom: 40px;
}

.cta-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.dark-footer {
    background: #0A0A0A;
    border-top: 1px solid var(--border-subtle);
    padding: 60px 7.6923% 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    max-width: 1400px;
    margin: 0 auto 40px;
}

.footer-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--brand-primary);
    margin-bottom: 20px;
}

.footer-subtitle {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 20px;
}

.footer-links,
.footer-contact {
    list-style: none;
}

.footer-links li,
.footer-contact li {
    margin-bottom: 12px;
}

.footer-links a,
.footer-contact a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 16px;
    transition: color 0.3s ease;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid var(--border-subtle);
    color: var(--text-muted);
}

.page-hero {
    position: relative;
    height: 50vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    margin-top: 68px;
}

.page-hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 0;
}

.page-hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    z-index: 1;
}

.page-hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 0 20px;
}

.page-hero-content h1 {
    margin-bottom: 20px;
}

.contact-hero {
    height: 40vh;
    background: var(--bg-secondary);
}

.story-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    max-width: 1400px;
    margin: 0 auto;
}

.story-text p {
    margin-top: 20px;
}

.story-image {
    width: 100%;
    height: 500px;
    overflow: hidden;
    border: 1px solid var(--border-subtle);
}

.story-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.story-image:hover img {
    transform: scale(1.05);
}

.mission-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 60px;
    max-width: 1400px;
    margin: 0 auto;
}

.mission-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-subtle);
    padding: 60px 40px;
    transition: all 0.4s ease-in-out;
}

.mission-card:hover {
    border-color: var(--brand-primary);
    transform: translateY(-5px);
}

.mission-card h3 {
    margin-bottom: 30px;
    color: var(--brand-primary);
}

.timeline {
    max-width: 1000px;
    margin: 0 auto;
    position: relative;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--border-subtle);
}

.timeline-item {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    margin-bottom: 60px;
    position: relative;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 20px;
    width: 16px;
    height: 16px;
    background: var(--brand-primary);
    border-radius: 50%;
    transform: translateX(-50%);
    z-index: 2;
}

.timeline-year {
    text-align: right;
    font-size: 32px;
    font-weight: 700;
    color: var(--brand-primary);
}

.timeline-content h3 {
    margin-bottom: 10px;
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    max-width: 1400px;
    margin: 0 auto;
}

.value-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-subtle);
    padding: 40px;
    text-align: center;
    transition: all 0.4s ease-in-out;
}

.value-card:hover {
    border-color: var(--brand-primary);
    transform: translateY(-5px);
}

.value-icon {
    font-size: 48px;
    color: var(--brand-primary);
    margin-bottom: 20px;
}

.value-card h3 {
    margin-bottom: 15px;
}

.intro-section {
    padding: var(--space-large) 7.6923%;
}

.intro-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.intro-content h2 {
    margin-bottom: 30px;
}

.types-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
    gap: 60px;
    max-width: 1400px;
    margin: 0 auto;
}

.types-grid > .type-card:nth-last-child(1):nth-child(odd) {
    grid-column: 1 / -1;   
    justify-self: center;
    width: calc((min(100%, 1400px) - 60px) / 2);
}

@media (max-width: 1050px) {
    .types-grid > .type-card:nth-last-child(1):nth-child(odd) {
        width: 100%;
    }
}

.type-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-subtle);
    overflow: hidden;
    transition: all 0.4s ease-in-out;
}

.type-card:hover {
    border-color: var(--brand-primary);
    transform: translateY(-5px);
}

.type-image {
    height: 300px;
    overflow: hidden;
}

.type-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.type-card:hover .type-image img {
    transform: scale(1.1);
}

.type-content {
    padding: 40px;
}

.type-content h3 {
    margin-bottom: 20px;
}

.type-content p {
    margin-bottom: 30px;
}

.feature-list {
    list-style: none;
}

.feature-list li {
    padding: 10px 0;
    padding-left: 30px;
    position: relative;
    color: var(--text-secondary);
}

.feature-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--brand-primary);
    font-weight: 700;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    max-width: 1400px;
    margin: 0 auto;
}

.advantage-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-subtle);
    padding: 40px;
    text-align: center;
    transition: all 0.4s ease-in-out;
}

.advantage-card:hover {
    border-color: var(--brand-primary);
    transform: translateY(-5px);
}

.advantage-icon {
    font-size: 56px;
    margin-bottom: 20px;
}

.advantage-card h3 {
    margin-bottom: 15px;
}

.usage-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    max-width: 1400px;
    margin: 0 auto;
}

.usage-item {
    background: var(--bg-secondary);
    border: 1px solid var(--border-subtle);
    padding: 40px;
    transition: all 0.4s ease-in-out;
}

.usage-item:hover {
    border-color: var(--brand-primary);
    transform: translateY(-5px);
}

.usage-item h3 {
    margin-bottom: 15px;
    color: var(--brand-primary);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    max-width: 1400px;
    margin: 0 auto;
}

.benefit-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-subtle);
    padding: 40px;
    transition: all 0.4s ease-in-out;
}

.benefit-card:hover {
    border-color: var(--brand-primary);
    transform: translateY(-5px);
}

.benefit-number {
    font-size: 48px;
    font-weight: 700;
    color: var(--brand-primary);
    margin-bottom: 20px;
}

.benefit-card h3 {
    margin-bottom: 15px;
}

.durability-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    max-width: 1400px;
    margin: 0 auto;
}

.durability-text h2 {
    margin-bottom: 30px;
}

.durability-text p {
    margin-bottom: 40px;
}

.durability-features {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.durability-item h4 {
    margin-bottom: 10px;
    color: var(--brand-primary);
}

.durability-image {
    width: 100%;
    height: 500px;
    overflow: hidden;
    border: 1px solid var(--border-subtle);
}

.durability-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.applications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    max-width: 1400px;
    margin: 0 auto;
}

.application-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-subtle);
    padding: 40px;
    text-align: center;
    transition: all 0.4s ease-in-out;
}

.application-card:hover {
    border-color: var(--brand-primary);
    transform: translateY(-5px);
}

.application-card h3 {
    margin-bottom: 15px;
    color: var(--brand-primary);
}

.contact-main-section {
    padding: var(--space-xlarge) 7.6923%;
}

.contact-intro {
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--space-large);
}

.contact-intro h2 {
    margin-bottom: 30px;
}

.contact-methods {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
    max-width: 1400px;
    margin: 0 auto;
}

.contact-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-subtle);
    padding: 60px 40px;
    text-align: center;
    transition: all 0.4s ease-in-out;
}

.contact-card:hover {
    border-color: var(--brand-primary);
    transform: translateY(-8px);
    box-shadow: 0 16px 48px rgba(0, 255, 209, 0.2);
}

.contact-icon {
    font-size: 64px;
    margin-bottom: 30px;
}

.contact-card h3 {
    margin-bottom: 20px;
}

.contact-card p {
    margin-bottom: 30px;
}

.contact-links {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.contact-link-btn {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    padding: 16px 24px;
    text-decoration: none;
    font-size: 20px;
    font-weight: 500;
    transition: all 0.3s ease;
    border: 1px solid var(--border-subtle);
}

.contact-link-btn:hover {
    background: var(--brand-primary);
    color: #000000;
    border-color: var(--brand-primary);
}

.whatsapp-btn,
.instagram-btn {
    width: 100%;
}

.hours-content {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

.hours-content h2 {
    margin-bottom: 40px;
}

.hours-list {
    background: var(--bg-secondary);
    border: 1px solid var(--border-subtle);
    padding: 40px;
    margin-bottom: 30px;
}

.hours-item {
    display: flex;
    justify-content: space-between;
    padding: 20px 0;
    border-bottom: 1px solid var(--border-subtle);
}

.hours-item:last-child {
    border-bottom: none;
}

.hours-day {
    font-size: 18px;
    color: var(--text-secondary);
}

.hours-time {
    font-size: 18px;
    font-weight: 600;
    color: var(--brand-primary);
}

.note {
    color: var(--text-muted);
    font-style: italic;
}

.location-placeholder {
    background: var(--bg-secondary);
    border: 1px solid var(--border-subtle);
    padding: var(--space-large);
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.location-info h3 {
    margin-bottom: 20px;
    color: var(--brand-primary);
}

.location-info p {
    margin-bottom: 15px;
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    max-width: 1400px;
    margin: 0 auto;
}

.faq-item {
    background: var(--bg-secondary);
    border: 1px solid var(--border-subtle);
    padding: 40px;
    transition: all 0.4s ease-in-out;
}

.faq-item:hover {
    border-color: var(--brand-primary);
    transform: translateY(-5px);
}

.faq-item h3 {
    margin-bottom: 15px;
    color: var(--brand-primary);
}

.animate-fade-up {
    opacity: 0;
    animation: fadeUp 0.8s ease forwards;
}

.delay-1 {
    animation-delay: 0.2s;
}

.delay-2 {
    animation-delay: 0.4s;
}

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

.animate-on-scroll {
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.8s ease;
}

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

@media (max-width: 1024px) {
    .display-huge { font-size: 48px; }
    .display-large { font-size: 36px; }
    .display-medium { font-size: 28px; }
    
    .dark-container {
        padding: 60px 5%;
    }
    
    .services-grid,
    .types-grid {
        grid-template-columns: 1fr;
    }
    
    .story-content,
    .durability-content {
        grid-template-columns: 1fr;
    }
    
    .timeline::before {
        left: 0;
    }
    
    .timeline-item {
        grid-template-columns: 1fr;
        padding-left: 40px;
    }
    
    .timeline-item::before {
        left: 0;
    }
    
    .timeline-year {
        text-align: left;
    }
}

@media (max-width: 768px) {
    .dark-nav {
        display: none;
    }

    .nav-container {
        position: relative;
    }

    .dark-nav {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: #0c0c0c;
        padding: 24px;
        z-index: 999;

        display: flex;
        flex-direction: column;
        gap: 20px;

        opacity: 0;
        transform: translateY(-12px);
        pointer-events: none;

        border-radius: 0 0 16px 16px;

        transition:
            opacity 0.35s ease,
            transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    }

    .dark-nav.mobile-open {
        opacity: 1;
        transform: translateY(0);
        pointer-events: auto;
    }

    .dark-nav.mobile-open {
        display: flex;
        flex-direction: column;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .display-huge { font-size: 36px; }
    .display-large { font-size: 28px; }
    .display-medium { font-size: 24px; }
    
    .hero-buttons,
    .cta-buttons {
        flex-direction: column;
        width: 100%;
    }
    
    .btn-primary,
    .btn-secondary {
        width: 100%;
    }
    
    .dark-container {
        padding: 40px 20px;
    }
    
    .services-grid,
    .features-grid,
    .stats-grid,
    .mission-grid,
    .values-grid,
    .types-grid,
    .advantages-grid,
    .usage-grid,
    .benefits-grid,
    .applications-grid,
    .contact-methods,
    .faq-grid {
        grid-template-columns: 1fr;
    }
    
    .page-hero {
        height: 40vh;
    }
    
    .contact-hero {
        height: 30vh;
    }
}

@media (max-width: 480px) {
    .display-huge { font-size: 28px; }
    .display-large { font-size: 24px; }
    .display-medium { font-size: 20px; }
    
    .dark-header {
        padding: 16px 20px;
    }
    
    .stat-number {
        font-size: 48px;
    }
}

.whatsapp-badge,
.instagram-badge,
.telephone-badge{
  position: fixed;
  bottom: 24px;
  z-index: 9999;

  display: inline-flex;
  align-items: center;
  gap: 12px;

  padding: 16px 22px;
  border-radius: 999px;

  color: #fff;
  text-decoration: none;
  font-size: 16px;
  font-weight: 500;

  box-shadow: 0 12px 40px rgba(0,0,0,.35);

  transform-origin: center;
  will-change: transform, box-shadow, padding, width, height;
  transform: translateZ(0);
  backface-visibility: hidden;
  -webkit-font-smoothing: antialiased;

  transition:
    transform var(--move) var(--ease),
    box-shadow var(--move) var(--ease),
    padding var(--move) var(--ease),
    border-radius var(--move) var(--ease),
    width var(--move) var(--ease),
    height var(--move) var(--ease),
    background var(--move) var(--ease),
    gap var(--move) var(--ease),
    filter var(--move) var(--ease);
}

.whatsapp-badge{ right: 24px; bottom:24px; background: linear-gradient(135deg,#25D366,#1ebe5d); }
.telephone-badge{ right: 24px; bottom:92px; background: linear-gradient(135deg, #fff23a, #fff23a); color:#000; }
.instagram-badge{ left: 24px; background: linear-gradient(135deg,#f58529,#dd2a7b,#8134af); }

.whatsapp-badge img,
.instagram-badge img,
.telephone-badge img{
  width: 28px;
  height: 28px;
  flex: 0 0 auto;
  transform: translateZ(0);

  transition:
    transform var(--move) var(--ease),
    width var(--move) var(--ease),
    height var(--move) var(--ease);
}

.whatsapp-badge span,
.instagram-badge span,
.telephone-badge span{
  display: inline-block;
  white-space: nowrap;
  overflow: hidden;

  transition:
    opacity var(--fade) ease,
    transform var(--move) var(--ease);
}

.telephone-badge span{ color:#000; }

.whatsapp-badge:hover,
.instagram-badge:hover,
.telephone-badge:hover{
  transform: translateY(-4px) scale(1.04);
  box-shadow: 0 18px 48px rgba(0,0,0,.45);
  filter: saturate(1.08);
}

.whatsapp-badge:hover img{
  transform: translateY(-1px) scale(1.08) rotate(-2deg);
}
.instagram-badge:hover img{
  transform: translateY(-1px) scale(1.08);
}
.telephone-badge:hover img{
 transform: translateY(-1px) scale(1.08);
}

.whatsapp-badge::after,
.instagram-badge::after,
.telephone-badge::after{
  content:"";
  position:absolute;
  inset:0;
  border-radius: inherit;
  pointer-events:none;
  opacity:0;
  transition: opacity 420ms var(--ease);
  background: radial-gradient(120px 60px at 30% 20%, rgba(255,255,255,.18), transparent 60%);
}
.whatsapp-badge:hover::after,
.instagram-badge:hover::after,
.telephone-badge:hover::after{
  opacity:1;
}

.whatsapp-badge.shrink,
.instagram-badge.shrink,
.telephone-badge.shrink{
  padding: 12px;
  width: 54px;
  height: 54px;
  gap: 0;
  border-radius: 50%;
  transform: scale(.94);
  box-shadow: 0 10px 30px rgba(0,0,0,.35);
}

.whatsapp-badge.shrink{ background: linear-gradient(135deg,#1ebe5d,#25D366); }
.instagram-badge.shrink{ background: linear-gradient(135deg,#dd2a7b,#8134af); }
.telephone-badge.shrink{ background: linear-gradient(135deg, #fff23a, #fff23a); }

.whatsapp-badge.shrink img{
  width: 30px;
  height: 30px;
  transform: scale(1.05) rotate(-3deg);
}
.instagram-badge.shrink img{
  width: 30px;
  height: 30px;
  transform: translateY(-1px) scale(1.05);
}
.telephone-badge.shrink img{
  width: 30px;
  height: 30px;
  transform: translateY(-1px) scale(1.05);
}

.whatsapp-badge.shrink span,
.instagram-badge.shrink span,
.telephone-badge.shrink span{
  opacity: 0;
  transform: translateX(10px);
  pointer-events: none;
}

.whatsapp-badge.shrink:hover,
.instagram-badge.shrink:hover,
.telephone-badge.shrink:hover{
  transform: scale(1.02);
  box-shadow: 0 16px 40px rgba(0,0,0,.42);
}

@keyframes breathe-wa{
  0%{ box-shadow: 0 10px 30px rgba(0,0,0,.35), 0 0 0 rgba(37,211,102,0); }
  100%{ box-shadow: 0 12px 34px rgba(0,0,0,.35), 0 0 22px rgba(37,211,102,.32); }
}
@keyframes breathe-ig{
  0%{ box-shadow: 0 10px 30px rgba(0,0,0,.35), 0 0 0 rgba(221,42,123,0); }
  100%{ box-shadow: 0 12px 34px rgba(0,0,0,.35), 0 0 24px rgba(221,42,123,.34); }
}
@keyframes breathe-tel{
  0%{ box-shadow: 0 10px 30px rgba(0,0,0,.35), 0 0 0 rgba(255,242,58,0); }
  100%{ box-shadow: 0 12px 34px rgba(0,0,0,.35), 0 0 24px rgba(255,242,58,.34); }
}

.whatsapp-badge.shrink{ animation: breathe-wa 2.9s ease-in-out infinite alternate; }
.instagram-badge.shrink{ animation: breathe-ig 2.9s ease-in-out infinite alternate; }
.telephone-badge.shrink{ animation: breathe-tel 2.9s ease-in-out infinite alternate; }

@media (prefers-reduced-motion: reduce){
  .whatsapp-badge, .instagram-badge, .telephone-badge,
  .whatsapp-badge *, .instagram-badge *, .telephone-badge *{
    transition: none !important;
    animation: none !important;
  }
}


.faq-section {
  margin-top: 120px;
}

.faq-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 28px;
  margin-top: 48px;
}

.faq-card {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 20px;
  padding: 28px 26px;
  backdrop-filter: blur(12px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.25);

  transition: 
    transform 0.6s cubic-bezier(0.22, 1, 0.36, 1),
    box-shadow 0.6s ease,
    border-color 0.6s ease;
}

.faq-card:hover {
  transform: translateY(-6px) scale(1.01);
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.4);
  border-color: rgba(247, 247, 247, 0.4);
}

.faq-card h3 {
  color: #ffffff;
  margin-bottom: 12px;
}

.faq-card p {
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.7;
}

.faq-card { will-change: transform; }

@media (hover: none) {
  .faq-card:hover {
    transform: none;
    box-shadow: inherit;
    border-color: rgba(255, 255, 255, 0.08);
  }
}

@media (max-width: 768px) {
  .faq-card {
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
    box-shadow: 0 10px 22px rgba(0,0,0,0.18) !important;
    transition: transform 0.35s ease, border-color 0.35s ease !important;
  }
}

/* =========================
   GALERİ EKİ (CSS - EN ALT)
   ========================= */

/* Galeri sayfa hero (about ile aynı yapıda zaten var) */
/* Sadece küçük dokunuş: */
.page-hero.gallery-hero .page-hero-overlay{
  background: linear-gradient(135deg, rgba(0,0,0,.82) 0%, rgba(0,0,0,.62) 100%);
}

/* Filtre bar */
.gallery-toolbar{
  max-width: 1400px;
  margin: 0 auto 38px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
}

.gallery-title{
  display:flex;
  flex-direction:column;
  gap: 8px;
}

.gallery-title p{
  color: var(--text-secondary);
}

.gallery-filters{
  display:flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items:center;
  justify-content:flex-end;
}

.filter-chip{
  border: 1px solid rgba(255,255,255,0.14);
  background: rgba(255,255,255,0.06);
  color: rgba(255,255,255,0.88);
  padding: 10px 14px;
  font-size: 15px;
  font-weight: 500;
  cursor: pointer;
  transition: transform .35s var(--ease), background .35s var(--ease), border-color .35s var(--ease);
  user-select: none;
}

.filter-chip:hover{
  transform: translateY(-2px);
  border-color: rgba(255,255,255,0.28);
  background: rgba(255,255,255,0.10);
}

.filter-chip.active{
  border-color: rgba(0,255,209,0.55);
  background: rgba(0,255,209,0.10);
  color: var(--text-primary);
}

.gallery-grid{
  max-width: 1400px;
  margin: 0 auto;
  display:grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 18px;
}

.gallery-item{
  grid-column: span 4;
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.10);
  background: rgba(255,255,255,0.03);
  min-height: 260px;
  cursor: pointer;
  transition: transform .55s var(--ease), border-color .55s var(--ease), box-shadow .55s var(--ease);
}

.gallery-item:hover{
  transform: translateY(-6px);
  border-color: rgba(0,255,209,0.45);
  box-shadow: 0 22px 60px rgba(0,0,0,0.40);
}

.gallery-item img{
  width:100%;
  height:100%;
  object-fit: cover;
  transform: scale(1.01);
  transition: transform .8s var(--ease), filter .8s var(--ease);
}

.gallery-item:hover img{
  transform: scale(1.08);
  filter: saturate(1.08);
}

.gallery-overlay{
  position:absolute;
  inset:0;
  background: linear-gradient(180deg, rgba(0,0,0,0.00) 25%, rgba(0,0,0,0.72) 100%);
  opacity: 0;
  transition: opacity .55s var(--ease);
  display:flex;
  align-items:flex-end;
  padding: 18px;
}

.gallery-item:hover .gallery-overlay{
  opacity: 1;
}

.gallery-overlay h3{
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: #fff;
}

.gallery-tag{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size: 13px;
  padding: 8px 10px;
  border: 1px solid rgba(255,255,255,0.14);
  background: rgba(255,255,255,0.06);
  color: rgba(255,255,255,0.88);
  margin-top: 10px;
}

@media (max-width: 1100px){
  .gallery-item{ grid-column: span 6; }
}

@media (max-width: 640px){
  .gallery-item{ grid-column: span 12; min-height: 230px; }
  .gallery-toolbar{ margin-bottom: 26px; }
  .filter-chip{ width: 100%; text-align:center; }
  .gallery-filters{ width:100%; justify-content:stretch; }
}

.gallery-item.is-hidden{
  display:none;
}

.lightbox{
  position: fixed;
  inset: 0;
  z-index: 99999;
  display:none;
  align-items:center;
  justify-content:center;
  padding: 22px;
  background: rgba(0,0,0,0.82);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.lightbox.open{
  display:flex;
}

.lightbox-inner{
  width: min(1100px, 100%);
  border: 1px solid rgba(255,255,255,0.12);
  background: rgba(10,10,10,0.55);
  box-shadow: 0 30px 80px rgba(0,0,0,0.55);
  position: relative;
}

.lightbox-img{
  width: 100%;
  height: min(70vh, 720px);
  object-fit: contain;
  display:block;
  background: rgba(0,0,0,0.55);
}

.lightbox-bar{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding: 14px 16px;
  gap: 12px;
  border-top: 1px solid rgba(255,255,255,0.10);
}

.lightbox-title{
  color: rgba(255,255,255,0.88);
  font-size: 14px;
  font-weight: 500;
}

.lightbox-close{
  border: 1px solid rgba(255,255,255,0.14);
  background: rgba(255,255,255,0.06);
  color:#fff;
  padding: 10px 14px;
  cursor:pointer;
  transition: transform .35s var(--ease), background .35s var(--ease), border-color .35s var(--ease);
}

.lightbox-close:hover{
  transform: translateY(-2px);
  border-color: rgba(255,255,255,0.28);
  background: rgba(255,255,255,0.10);
}