/* ==========================================================================
   PREMIUM DESIGN SYSTEM & THEME
   Ablakszigetelés - Swedish Window Sealing Single Page Website
   Inspired by the award-winning minimalist parallax aesthetic of sen-knife.com
   ========================================================================== */

:root {
    /* Color Palette */
    --bg-dark: #0c0c0c;
    --bg-dark-card: #141414;
    --bg-light: #f7f6f2;
    --bg-light-card: #ffffff;
    
    --text-light: #f3f3f3;
    --text-light-muted: #a3a3a3;
    --text-dark: #1a1a1a;
    --text-dark-muted: #666666;
    
    --accent: #c5a880;
    --accent-light: #dfcbaf;
    --accent-dark: #9c805a;
    
    --border-light: rgba(255, 255, 255, 0.08);
    --border-dark: rgba(0, 0, 0, 0.08);
    
    /* Typography */
    --font-heading: 'Cormorant Garamond', Georgia, serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    
    /* Transitions */
    --transition-smooth: all 0.6s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-fast: all 0.3s ease;
    
    /* Spacings */
    --header-height: 80px;
}

/* ==========================================================================
   RESET & BASICS
   ========================================================================== */

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    background-color: var(--bg-dark);
}

body {
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.7;
    color: var(--text-light);
    overflow-x: hidden;
}

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

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

li {
    list-style: none;
}

/* ==========================================================================
   SCROLLBAR & PROGRESS BAR
   ========================================================================== */

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: var(--bg-dark);
}
::-webkit-scrollbar-thumb {
    background: #2a2a2a;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--accent);
}

/* Scroll Progress indicator */
#scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 3px;
    background: linear-gradient(90deg, var(--accent), var(--accent-light));
    z-index: 1000;
    transition: width 0.1s linear;
}

/* ==========================================================================
   LAYOUT UTILITIES
   ========================================================================== */

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 4rem;
}

@media (max-width: 768px) {
    .container {
        padding: 0 2rem;
    }
}

.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 6rem;
}

@media (max-width: 991px) {
    .grid-2 {
        grid-template-columns: 1fr;
        gap: 4rem;
    }
}

.align-center {
    align-items: center;
}

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

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

.text-lead {
    font-size: 1.25rem;
    line-height: 1.6;
    color: inherit;
    font-weight: 300;
    margin-bottom: 1.5rem;
}

/* Badge (e.g. 01 / SECTION) */
.section-badge {
    display: inline-block;
    font-family: var(--font-body);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 1.5rem;
    position: relative;
    padding-left: 2rem;
}

.section-badge::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    width: 1.2rem;
    height: 1px;
    background-color: var(--accent);
}

/* Headings */
.section-title {
    font-family: var(--font-heading);
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 300;
    line-height: 1.1;
    margin-bottom: 1rem;
    letter-spacing: -0.01em;
}

.section-subtitle {
    font-family: var(--font-body);
    font-size: 1.125rem;
    font-weight: 300;
    line-height: 1.6;
    margin-bottom: 2.5rem;
    opacity: 0.85;
}

/* ==========================================================================
   BUTTONS
   ========================================================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1.1rem 2.5rem;
    font-family: var(--font-body);
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    border-radius: 0;
    transition: var(--transition-smooth);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background-color: var(--accent);
    color: var(--bg-dark);
    border: 1px solid var(--accent);
}

.btn-primary:hover {
    background-color: transparent;
    color: var(--text-light);
    border-color: rgba(255, 255, 255, 0.4);
}

.btn-secondary {
    background-color: transparent;
    color: var(--text-light);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

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

.btn-block {
    display: flex;
    width: 100%;
}

/* ==========================================================================
   HEADER & NAVIGATION
   ========================================================================== */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    background-color: rgba(12, 12, 12, 0.7);
    border-bottom: 1px solid var(--border-light);
    backdrop-filter: blur(15px) saturate(180%);
    -webkit-backdrop-filter: blur(15px) saturate(180%);
    z-index: 999;
    transition: var(--transition-smooth);
}

/* When page is scrolled down */
.navbar.scrolled {
    height: 70px;
    background-color: rgba(12, 12, 12, 0.9);
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}

.navbar-container {
    max-width: 1400px;
    height: 100%;
    margin: 0 auto;
    padding: 0 4rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

@media (max-width: 991px) {
    .navbar-container {
        padding: 0 2rem;
    }
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    gap: 1rem;
    color: var(--text-light);
}

.logo svg {
    color: var(--accent);
    transition: var(--transition-smooth);
}

.logo:hover svg {
    transform: rotate(90deg);
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.logo-title {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    line-height: 1;
}

.logo-subtitle {
    font-family: var(--font-body);
    font-size: 0.6rem;
    font-weight: 600;
    letter-spacing: 0.25em;
    color: var(--accent);
    margin-top: 2px;
}

/* Menu */
.nav-menu ul {
    display: flex;
    gap: 3rem;
}

@media (max-width: 991px) {
    .nav-menu {
        display: none;
    }
}

.nav-link {
    font-family: var(--font-body);
    font-size: 0.8125rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    opacity: 0.6;
    padding: 0.5rem 0;
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    opacity: 1;
    color: var(--accent);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--accent);
    transition: var(--transition-smooth);
}

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

.btn-nav {
    font-family: var(--font-body);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    padding: 0.75rem 1.75rem;
    border: 1px solid var(--accent);
    color: var(--accent);
    transition: var(--transition-smooth);
}

.btn-nav:hover {
    background-color: var(--accent);
    color: var(--bg-dark);
}

@media (max-width: 991px) {
    .btn-nav {
        display: none;
    }
}

/* Mobile Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 24px;
    height: 16px;
    background: transparent;
    border: none;
    cursor: pointer;
    z-index: 1001;
}

.mobile-menu-toggle span {
    width: 100%;
    height: 2px;
    background-color: var(--text-light);
    transition: var(--transition-smooth);
    transform-origin: left center;
}

@media (max-width: 991px) {
    .mobile-menu-toggle {
        display: flex;
    }
}

.mobile-menu-toggle.open span:nth-child(1) {
    transform: rotate(45deg) translateY(-2px);
}

.mobile-menu-toggle.open span:nth-child(2) {
    opacity: 0;
    transform: scale(0);
}

.mobile-menu-toggle.open span:nth-child(3) {
    transform: rotate(-45deg) translateY(2px);
}

/* Mobile Navigation Drawer */
.mobile-nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    height: 100vh;
    background-color: var(--bg-dark);
    z-index: 998;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-smooth);
    opacity: 0;
}

.mobile-nav.open {
    right: 0;
    opacity: 1;
}

.mobile-nav ul {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2.5rem;
}

.mobile-nav-link {
    font-family: var(--font-heading);
    font-size: 2.25rem;
    font-weight: 300;
    letter-spacing: 0.05em;
    color: var(--text-light);
}

.mobile-nav-link:hover {
    color: var(--accent);
}

.mobile-btn-nav {
    font-family: var(--font-body);
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    padding: 1rem 3rem;
    border: 1px solid var(--accent);
    color: var(--accent) !important;
}

.mobile-btn-nav:hover {
    background-color: var(--accent);
    color: var(--bg-dark) !important;
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */

.hero {
    position: relative;
    height: 100vh;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    padding: 0 10%;
    overflow: hidden;
}

.hero-bg-wrapper {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.hero-bg {
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    transform: scale(1.05);
    transition: transform 1.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, rgba(12,12,12,0.95) 0%, rgba(12,12,12,0.7) 50%, rgba(12,12,12,0.4) 100%);
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    margin-top: var(--header-height);
}

.hero-tagline {
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.3em;
    color: var(--accent);
    margin-bottom: 2rem;
    text-transform: uppercase;
}

.hero-title {
    font-family: var(--font-heading);
    font-size: clamp(3rem, 7vw, 5.5rem);
    font-weight: 300;
    line-height: 1.05;
    margin-bottom: 2rem;
    letter-spacing: -0.02em;
}

.hero-desc {
    font-size: 1.125rem;
    font-weight: 300;
    line-height: 1.8;
    color: var(--text-light-muted);
    margin-bottom: 3.5rem;
    max-width: 650px;
}

.hero-ctas {
    display: flex;
    gap: 2rem;
}

@media (max-width: 576px) {
    .hero-ctas {
        flex-direction: column;
        gap: 1rem;
    }
}

.hero-scroll-indicator {
    position: absolute;
    bottom: 3rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    opacity: 0.7;
    pointer-events: none;
}

.hero-scroll-indicator span {
    font-size: 0.625rem;
    font-weight: 500;
    letter-spacing: 0.3em;
    text-transform: uppercase;
}

.scroll-mouse {
    width: 20px;
    height: 35px;
    border: 1px solid rgba(255, 255, 255, 0.4);
    border-radius: 10px;
    position: relative;
}

.scroll-mouse .wheel {
    width: 2px;
    height: 6px;
    background-color: var(--accent);
    border-radius: 1px;
    position: absolute;
    top: 6px;
    left: 50%;
    transform: translateX(-50%);
    animation: scrollWheel 2s infinite ease-in-out;
}

@keyframes scrollWheel {
    0% { transform: translate(-50%, 0); opacity: 0; }
    30% { opacity: 1; }
    100% { transform: translate(-50%, 12px); opacity: 0; }
}

/* ==========================================================================
   TECHNOLOGY SECTION (LIGHT THEME INTERLUDE)
   ========================================================================== */

.section-tech {
    background-color: var(--bg-light);
    color: var(--text-dark);
    padding: 10rem 0;
    position: relative;
    z-index: 3;
}

.section-tech .section-title {
    color: var(--text-dark);
}

.section-tech .section-subtitle {
    color: var(--text-dark-muted);
}

.feature-bullets {
    margin-top: 3.5rem;
    display: grid;
    gap: 2rem;
}

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

.bullet-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background-color: rgba(197, 168, 128, 0.1);
    color: var(--accent-dark);
    border: 1px solid rgba(197, 168, 128, 0.2);
}

.feature-bullet-item h4 {
    font-family: var(--font-body);
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.feature-bullet-item p {
    color: var(--text-dark-muted);
    font-size: 0.9375rem;
}

/* Parallax Visual Component */
.tech-visual {
    position: relative;
    height: 100%;
    min-height: 480px;
}

.parallax-container {
    position: relative;
    width: 100%;
    height: 100%;
    overflow: hidden;
    min-height: 450px;
    border: 1px solid var(--border-dark);
}

.section-services .parallax-container {
    border-color: var(--border-light);
}

.parallax-img {
    position: absolute;
    top: -20%;
    left: 0;
    width: 100%;
    height: 140%;
    background-size: cover;
    background-position: center;
    transition: transform 0.1s cubic-bezier(0.16, 1, 0.3, 1);
    will-change: transform;
}

.parallax-border {
    position: absolute;
    top: 2rem;
    left: 2rem;
    right: 2rem;
    bottom: 2rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
    pointer-events: none;
    z-index: 2;
}

/* ==========================================================================
   SERVICES SECTION (DARK THEME)
   ========================================================================== */

.section-services {
    background-color: var(--bg-dark);
    color: var(--text-light);
    padding: 10rem 0;
    border-top: 1px solid var(--border-light);
    position: relative;
    z-index: 3;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem;
    margin-top: 4rem;
}

@media (max-width: 768px) {
    .services-grid {
        grid-template-columns: 1fr;
    }
}

.service-card {
    background-color: var(--bg-dark-card);
    border: 1px solid var(--border-light);
    padding: 4rem;
    transition: var(--transition-smooth);
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.service-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
}

.service-icon {
    color: var(--accent);
    margin-bottom: 1rem;
}

.service-card-title {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 300;
    line-height: 1.2;
    color: var(--text-light);
}

.service-card-text {
    font-size: 0.9375rem;
    color: var(--text-light-muted);
    font-weight: 300;
    line-height: 1.8;
}

/* ==========================================================================
   PARALLAX DIVIDER
   ========================================================================== */

.section-parallax-divider {
    position: relative;
    height: 60vh;
    min-height: 400px;
    width: 100%;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 3;
}

.parallax-divider-bg {
    position: absolute;
    top: -30%;
    left: 0;
    width: 100%;
    height: 160%;
    background-size: cover;
    background-position: center;
    will-change: transform;
}

.parallax-divider-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(12, 12, 12, 0.75);
}

.parallax-divider-content {
    position: relative;
    z-index: 2;
    text-align: center;
}

.divider-title {
    font-family: var(--font-heading);
    font-size: clamp(2.25rem, 4vw, 3.5rem);
    font-weight: 300;
    line-height: 1.2;
    color: var(--text-light);
}

.divider-title span {
    color: var(--accent);
}

/* ==========================================================================
   INNOVATION SECTION (LIGHT THEME)
   ========================================================================== */

.section-innovation {
    background-color: var(--bg-light);
    color: var(--text-dark);
    padding: 10rem 0;
    position: relative;
    z-index: 3;
    border-top: 1px solid var(--border-dark);
}

.section-innovation .section-title {
    color: var(--text-dark);
}

.section-innovation .section-subtitle {
    color: var(--text-dark-muted);
}

.tech-item-row {
    display: flex;
    gap: 1.5rem;
    margin-top: 3rem;
    padding-bottom: 2.5rem;
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
}

.tech-item-row:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.tech-item-icon {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: var(--accent);
    color: var(--bg-dark);
}

.tech-item-desc h4 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 400;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

.tech-item-desc p {
    font-size: 0.9375rem;
    color: var(--text-dark-muted);
    margin-bottom: 0.5rem;
}

.tech-benefit {
    font-weight: 500;
    color: var(--text-dark) !important;
}

/* Glass overlay details inside Innovation visual */
.large-container {
    min-height: 580px;
}

.glass-overlay-card {
    position: absolute;
    bottom: 3rem;
    right: -2rem;
    background: rgba(255, 255, 255, 0.7);
    border: 1px solid rgba(255, 255, 255, 0.4);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    width: 280px;
    padding: 2.5rem;
    z-index: 10;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.1);
    transition: var(--transition-smooth);
}

.glass-overlay-card:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.85);
}

@media (max-width: 1200px) {
    .glass-overlay-card {
        right: 2rem;
        bottom: 2rem;
    }
}

.glass-card-header {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--accent-dark);
    margin-bottom: 1rem;
}

.glass-card-body .percent {
    display: block;
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 300;
    line-height: 1;
    color: var(--text-dark);
}

.glass-card-body .unit {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-dark-muted);
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.glass-card-body p {
    font-size: 0.875rem;
    color: var(--text-dark-muted);
    line-height: 1.5;
}

/* ==========================================================================
   CONTACT SECTION (DARK THEME)
   ========================================================================== */

.section-contact {
    background-color: var(--bg-dark);
    color: var(--text-light);
    padding: 10rem 0;
    position: relative;
    z-index: 3;
    border-top: 1px solid var(--border-light);
}

.contact-info {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.contact-details {
    margin-top: 4rem;
    display: grid;
    gap: 2rem;
}

.contact-detail-item {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.detail-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border: 1px solid var(--border-light);
    color: var(--accent);
}

.contact-detail-item span {
    display: block;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-light-muted);
}

.contact-detail-item strong {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 400;
    color: var(--text-light);
}

/* Premium Form */
.contact-form-wrapper {
    background-color: var(--bg-dark-card);
    border: 1px solid var(--border-light);
    padding: 4.5rem;
    position: relative;
}

@media (max-width: 576px) {
    .contact-form-wrapper {
        padding: 2.5rem;
    }
}

.form-header {
    margin-bottom: 3rem;
}

.form-header h3 {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 300;
    margin-bottom: 0.5rem;
}

.form-header p {
    font-size: 0.875rem;
    color: var(--text-light-muted);
}

.form-group {
    position: relative;
    margin-bottom: 2.5rem;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.8rem 0;
    background: transparent;
    border: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    font-family: var(--font-body);
    font-size: 0.9375rem;
    color: var(--text-light);
    outline: none;
    transition: var(--transition-fast);
}

.form-group textarea {
    resize: none;
}

/* Select element styling reset */
.form-group select {
    color: var(--text-light-muted);
    cursor: pointer;
}

.form-group select option {
    background-color: var(--bg-dark-card);
    color: var(--text-light);
}

/* Floating labels */
.form-group label {
    position: absolute;
    left: 0;
    top: 0.8rem;
    font-size: 0.9375rem;
    color: var(--text-light-muted);
    pointer-events: none;
    transition: var(--transition-fast);
}

/* Float logic */
.form-group input:focus ~ label,
.form-group input:not(:placeholder-shown) ~ label,
.form-group textarea:focus ~ label,
.form-group textarea:not(:placeholder-shown) ~ label {
    top: -1.2rem;
    font-size: 0.75rem;
    color: var(--accent);
    letter-spacing: 0.05em;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    border-bottom-color: var(--accent);
}

/* Button style adjustments inside form */
.btn-arrow {
    margin-left: 1rem;
    transition: var(--transition-fast);
}

.btn-block:hover .btn-arrow {
    transform: translateX(5px);
}

/* Success Feedback */
.form-feedback {
    display: none;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.5rem;
    background-color: rgba(46, 204, 113, 0.1);
    border: 1px solid rgba(46, 204, 113, 0.2);
    color: #2ecc71;
    margin-top: 2rem;
    transition: var(--transition-smooth);
}

.form-feedback.visible {
    display: flex;
}

.form-feedback.error-feedback {
    background-color: rgba(231, 76, 60, 0.1);
    border-color: rgba(231, 76, 60, 0.2);
    color: #e74c3c;
}

.form-feedback svg {
    flex-shrink: 0;
}

.form-feedback h4 {
    font-size: 1rem;
    margin-bottom: 0.25rem;
}

.form-feedback p {
    font-size: 0.875rem;
    opacity: 0.8;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */

.main-footer {
    background-color: #080808;
    color: var(--text-light-muted);
    padding: 8rem 0 4rem 0;
    border-top: 1px solid var(--border-light);
    font-size: 0.875rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 6rem;
    margin-bottom: 6rem;
}

@media (max-width: 768px) {
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.footer-brand .logo {
    color: var(--text-light);
}

.footer-brand p {
    max-width: 400px;
    line-height: 1.8;
    font-weight: 300;
}

.footer-links h4,
.footer-services h4 {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    color: var(--text-light);
    font-weight: 400;
    margin-bottom: 1.5rem;
    letter-spacing: 0.05em;
}

.footer-links ul,
.footer-services ul {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.footer-links a:hover {
    color: var(--accent);
    padding-left: 5px;
}

.footer-services li {
    font-weight: 300;
}

.footer-bottom {
    border-top: 1px solid var(--border-light);
    padding-top: 3rem;
}

.footer-bottom .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

@media (max-width: 576px) {
    .footer-bottom .container {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
}

.designer-credit {
    font-size: 0.75rem;
    opacity: 0.5;
}

/* ==========================================================================
   SCROLL REVEAL ANIMATIONS
   ========================================================================== */

/* Hidden items waiting for reveal */
.scroll-reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 1.2s cubic-bezier(0.16, 1, 0.3, 1), transform 1.2s cubic-bezier(0.16, 1, 0.3, 1);
    will-change: transform, opacity;
}

.scroll-reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* Stagger delay classes */
.delay-100 { transition-delay: 0.1s; }
.delay-200 { transition-delay: 0.2s; }
.delay-300 { transition-delay: 0.3s; }
.delay-400 { transition-delay: 0.4s; }

/* Hero entrance animation */
.reveal-item {
    opacity: 0;
    transform: translateY(30px);
    animation: revealUp 1.2s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.hero-tagline.reveal-item { animation-delay: 0.2s; }
.hero-title.reveal-item { animation-delay: 0.4s; }
.hero-desc.reveal-item { animation-delay: 0.6s; }
.hero-ctas.reveal-item { animation-delay: 0.8s; }

@keyframes revealUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ==========================================================================
   CINEMATIC WINDOW SILHOUETTE INTRO OVERLAY
   ========================================================================== */

body.intro-active {
    overflow: hidden !important;
}

.intro-overlay {
    position: fixed;
    inset: 0;
    z-index: 999999;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #080808;
    background: radial-gradient(circle at 50% 50%, #151412 0%, #070707 100%);
    opacity: 1;
    visibility: visible;
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.8s;
}

.intro-overlay.dismissed {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.intro-backdrop {
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at center, transparent 40%, rgba(0, 0, 0, 0.85) 100%);
    pointer-events: none;
}

.intro-light-burst {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(1);
    width: 280px;
    height: 340px;
    background: radial-gradient(circle, rgba(223, 203, 175, 0.6) 0%, rgba(197, 168, 128, 0.25) 50%, transparent 75%);
    filter: blur(45px);
    opacity: 0.35;
    pointer-events: none;
    transition: transform 1.2s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.9s ease;
    will-change: transform, opacity;
}

.intro-container {
    position: relative;
    z-index: 10;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    max-width: 680px;
    padding: 2rem 1.5rem;
    transition: opacity 0.4s ease, transform 0.5s ease;
}

.intro-brand {
    margin-bottom: 2rem;
    transition: opacity 0.4s ease, transform 0.5s ease;
}

.intro-badge {
    display: inline-block;
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.28em;
    color: var(--accent);
    padding: 6px 18px;
    border-radius: 30px;
    border: 1px solid rgba(197, 168, 128, 0.3);
    background: rgba(197, 168, 128, 0.05);
    margin-bottom: 1.2rem;
    text-transform: uppercase;
}

.intro-title {
    font-family: var(--font-heading);
    font-size: clamp(2.2rem, 5vw, 3.4rem);
    font-weight: 500;
    color: #ffffff;
    letter-spacing: 0.08em;
    line-height: 1.15;
    margin-bottom: 0.6rem;
}

.intro-title span {
    color: var(--accent);
}

.intro-subtitle {
    font-size: 0.98rem;
    color: var(--text-light-muted);
    max-width: 480px;
    margin: 0 auto;
    line-height: 1.6;
}

/* 3D Window Silhouette Structure */
.window-silhouette-wrapper {
    position: relative;
    perspective: 1400px;
    margin-bottom: 2rem;
}

.window-silhouette-container {
    width: 250px;
    height: 330px;
    position: relative;
    cursor: pointer;
    transform-style: preserve-3d;
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
    outline: none;
}

.window-silhouette-container:hover {
    transform: translateY(-6px) scale(1.02);
}

.window-glow {
    position: absolute;
    inset: 10px;
    background: radial-gradient(circle at center, rgba(223, 203, 175, 0.22) 0%, rgba(197, 168, 128, 0.08) 60%, transparent 100%);
    filter: blur(15px);
    transition: opacity 0.5s ease;
    pointer-events: none;
}

.window-silhouette-container:hover .window-glow {
    opacity: 0.8;
}

.window-frame {
    width: 100%;
    height: 100%;
    position: relative;
    display: flex;
    border: 8px solid #1c1b18;
    border-radius: 8px 8px 0 0;
    background: #0f0e0d;
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.85), inset 0 0 0 1px rgba(197, 168, 128, 0.25);
    transform-style: preserve-3d;
}

.window-sill {
    position: absolute;
    bottom: -14px;
    left: -16px;
    right: -16px;
    height: 14px;
    background: #23211e;
    border-radius: 2px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.9), inset 0 1px 0 rgba(197, 168, 128, 0.35);
    z-index: 10;
}

.window-mullion-center {
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 6px;
    transform: translateX(-50%);
    background: #1c1b18;
    z-index: 8;
    box-shadow: 0 0 12px rgba(0, 0, 0, 0.7);
}

/* Window Casements */
.window-casement {
    width: 50%;
    height: 100%;
    position: relative;
    display: flex;
    flex-direction: column;
    border: 4px solid #1a1917;
    background: rgba(18, 17, 15, 0.92);
    transform-style: preserve-3d;
    transition: transform 1.2s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 1.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.window-casement-left {
    transform-origin: left center;
}

.window-casement-right {
    transform-origin: right center;
}

.pane-glass {
    flex: 1;
    margin: 4px;
    background: linear-gradient(135deg, rgba(223, 203, 175, 0.12) 0%, rgba(255, 255, 255, 0.02) 100%);
    border: 1px solid rgba(197, 168, 128, 0.18);
    position: relative;
    overflow: hidden;
}

.pane-glass::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(60deg, transparent 40%, rgba(255, 255, 255, 0.06) 50%, transparent 60%);
    transform: rotate(25deg);
    pointer-events: none;
}

.window-muntin-horizontal {
    height: 4px;
    background: #1c1b18;
    margin: 0 2px;
}

.window-handle {
    position: absolute;
    top: 50%;
    width: 4px;
    height: 22px;
    background: var(--accent);
    border-radius: 2px;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.7);
    z-index: 6;
}

.left-handle {
    right: 6px;
    transform: translateY(-50%);
}

.right-handle {
    left: 6px;
    transform: translateY(-50%);
}

/* Interactive Hint Badge */
.intro-hint-wrap {
    margin-top: 1.4rem;
    transition: opacity 0.4s ease;
}

.intro-click-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    font-size: 0.88rem;
    color: var(--text-light);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.12);
    padding: 8px 20px;
    border-radius: 30px;
    backdrop-filter: blur(10px);
    transition: var(--transition-fast);
}

.window-silhouette-container:hover ~ .intro-hint-wrap .intro-click-badge {
    background: rgba(197, 168, 128, 0.12);
    border-color: rgba(197, 168, 128, 0.35);
    color: #ffffff;
}

.intro-click-badge svg {
    color: var(--accent);
    animation: bounceGentle 2s infinite ease-in-out;
}

@keyframes bounceGentle {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.18); }
}

/* Skip / Direct Entry Button */
.btn-skip-intro {
    background: transparent;
    border: none;
    color: var(--text-light-muted);
    font-size: 0.84rem;
    cursor: pointer;
    padding: 8px 16px;
    transition: var(--transition-fast);
    outline: none;
    margin-top: 0.5rem;
}

.btn-skip-intro:hover {
    color: var(--accent);
    transform: translateX(4px);
}

/* ==========================================================================
   ANIMATION: CINEMATIC OPENING SEQUENCE
   ========================================================================== */

.intro-overlay.opening .intro-brand,
.intro-overlay.opening .intro-hint-wrap,
.intro-overlay.opening .btn-skip-intro {
    opacity: 0;
    transform: translateY(-15px);
}

.intro-overlay.opening .window-casement-left {
    transform: perspective(1000px) rotateY(-88deg) translateZ(12px);
    box-shadow: -15px 0 30px rgba(0, 0, 0, 0.8);
}

.intro-overlay.opening .window-casement-right {
    transform: perspective(1000px) rotateY(88deg) translateZ(12px);
    box-shadow: 15px 0 30px rgba(0, 0, 0, 0.8);
}

.intro-overlay.opening .window-silhouette-container {
    transform: scale(1.35) translateY(10px);
}

.intro-overlay.opening .intro-light-burst {
    transform: translate(-50%, -50%) scale(9);
    opacity: 0.95;
    filter: blur(25px);
}

/* ==========================================================================
   FORM PRIVACY & FOOTER LEGAL LINKS
   ========================================================================== */

.form-privacy-note {
    font-size: 0.82rem;
    color: var(--text-light-muted);
    margin: -0.4rem 0 1.2rem;
    line-height: 1.5;
}

.form-privacy-note a {
    color: var(--accent);
    text-decoration: underline;
}

.footer-bottom-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-legal-links {
    display: inline-flex;
    align-items: center;
    gap: 0.8rem;
    font-size: 0.88rem;
    color: var(--text-light-muted);
}

.footer-legal-links a:hover {
    color: var(--accent);
}

.dot-separator {
    color: rgba(255, 255, 255, 0.2);
}

/* ==========================================================================
   COOKIE CONSENT BANNER (GDPR COMPLIANT)
   ========================================================================== */

.cookie-banner {
    position: fixed;
    bottom: 24px;
    left: 20px;
    right: 20px;
    max-width: 1100px;
    margin: 0 auto;
    z-index: 99998;
    background: rgba(18, 17, 15, 0.95);
    backdrop-filter: blur(24px);
    border: 1px solid rgba(197, 168, 128, 0.3);
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.75);
    padding: 1.4rem 1.8rem;
    transform: translateY(120%);
    opacity: 0;
    visibility: hidden;
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.6s ease, visibility 0.6s;
}

.cookie-banner.visible {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
}

.cookie-banner-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
    flex-wrap: wrap;
}

.cookie-banner-text {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    flex: 1;
    min-width: 280px;
}

.cookie-icon {
    font-size: 1.8rem;
    line-height: 1;
}

.cookie-banner-text p {
    font-size: 0.88rem;
    color: var(--text-light);
    line-height: 1.6;
    margin: 0;
}

.cookie-banner-text a {
    color: var(--accent);
    text-decoration: underline;
}

.cookie-banner-actions {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    flex-wrap: wrap;
}

.btn-cookie {
    font-family: var(--font-body);
    font-size: 0.86rem;
    font-weight: 500;
    padding: 10px 20px;
    border-radius: 30px;
    cursor: pointer;
    transition: var(--transition-fast);
    outline: none;
    border: none;
}

.btn-cookie-primary {
    background: var(--accent);
    color: #0c0c0c;
    font-weight: 600;
}

.btn-cookie-primary:hover {
    background: var(--accent-light);
    transform: translateY(-2px);
}

.btn-cookie-secondary {
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-light);
    border: 1px solid rgba(255, 255, 255, 0.18);
}

.btn-cookie-secondary:hover {
    background: rgba(255, 255, 255, 0.14);
    border-color: rgba(255, 255, 255, 0.3);
}

.btn-cookie-outline {
    background: transparent;
    color: var(--text-light-muted);
    padding: 8px 12px;
}

.btn-cookie-outline:hover {
    color: #ffffff;
    text-decoration: underline;
}

/* ==========================================================================
   PRIVACY & COOKIE SETTINGS MODAL
   ========================================================================== */

.modal-backdrop {
    position: fixed;
    inset: 0;
    z-index: 999999;
    background: rgba(0, 0, 0, 0.82);
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.4s ease, visibility 0.4s;
}

.modal-backdrop.open {
    opacity: 1;
    visibility: visible;
}

.modal-card {
    background: #121210;
    border: 1px solid rgba(197, 168, 128, 0.35);
    border-radius: 18px;
    width: 100%;
    max-width: 680px;
    max-height: 85vh;
    display: flex;
    flex-direction: column;
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.9);
    transform: scale(0.96) translateY(20px);
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    overflow: hidden;
}

.modal-backdrop.open .modal-card {
    transform: scale(1) translateY(0);
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.5rem 1.8rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.modal-header h3 {
    font-family: var(--font-heading);
    font-size: 1.6rem;
    color: #ffffff;
    margin: 0;
}

.btn-modal-close {
    background: transparent;
    border: none;
    color: var(--text-light-muted);
    font-size: 2rem;
    line-height: 1;
    cursor: pointer;
    transition: var(--transition-fast);
    padding: 0 6px;
}

.btn-modal-close:hover {
    color: #ffffff;
    transform: scale(1.15);
}

.modal-tabs {
    display: flex;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(0, 0, 0, 0.2);
}

.tab-btn {
    flex: 1;
    padding: 14px 18px;
    background: transparent;
    border: none;
    color: var(--text-light-muted);
    font-family: var(--font-body);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-fast);
    border-bottom: 2px solid transparent;
}

.tab-btn.active {
    color: var(--accent);
    border-bottom-color: var(--accent);
    background: rgba(197, 168, 128, 0.05);
}

.modal-body {
    padding: 1.8rem;
    overflow-y: auto;
    flex: 1;
    color: var(--text-light);
    line-height: 1.7;
    font-size: 0.92rem;
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(6px); }
    to { opacity: 1; transform: translateY(0); }
}

.tab-content h4 {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    color: var(--accent);
    margin: 1.6rem 0 0.6rem;
}

.tab-content h4:first-of-type {
    margin-top: 0;
}

.tab-content p, .tab-content ul {
    margin-bottom: 1rem;
    color: var(--text-light-muted);
}

.tab-content ul {
    padding-left: 1.4rem;
}

.tab-content li {
    margin-bottom: 0.4rem;
}

/* Cookie Category Card Styles */
.cookie-category-item {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 12px;
    padding: 1.2rem;
    margin-bottom: 1rem;
}

.cookie-cat-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 0.6rem;
}

.cookie-cat-header strong {
    color: #ffffff;
    font-size: 0.98rem;
}

.cookie-badge-required {
    display: inline-block;
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--accent);
    background: rgba(197, 168, 128, 0.12);
    border: 1px solid rgba(197, 168, 128, 0.3);
    padding: 3px 10px;
    border-radius: 20px;
    margin-left: 0.6rem;
}

.cookie-badge-optional {
    display: inline-block;
    font-size: 0.72rem;
    font-weight: 500;
    color: var(--text-light-muted);
    background: rgba(255, 255, 255, 0.06);
    padding: 3px 10px;
    border-radius: 20px;
    margin-left: 0.6rem;
}

.cookie-cat-desc {
    font-size: 0.86rem;
    color: var(--text-light-muted);
    margin: 0;
    line-height: 1.5;
}

/* Toggle Switch (iOS style) */
.switch {
    position: relative;
    display: inline-block;
    width: 46px;
    height: 26px;
    flex-shrink: 0;
}

.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    inset: 0;
    background-color: rgba(255, 255, 255, 0.2);
    transition: .3s;
}

.slider:before {
    position: absolute;
    content: "";
    height: 20px;
    width: 20px;
    left: 3px;
    bottom: 3px;
    background-color: white;
    transition: .3s;
}

input:checked + .slider {
    background-color: var(--accent);
}

input:checked + .slider:before {
    transform: translateX(20px);
}

.slider.round {
    border-radius: 34px;
}

.slider.round:before {
    border-radius: 50%;
}

.cookie-save-actions {
    margin-top: 1.5rem;
}

@media (max-width: 768px) {
    .cookie-banner {
        left: 12px;
        right: 12px;
        bottom: 12px;
        padding: 1.2rem;
    }
    
    .cookie-banner-actions {
        width: 100%;
        justify-content: stretch;
    }
    
    .btn-cookie {
        flex: 1;
        text-align: center;
        padding: 10px 12px;
        font-size: 0.82rem;
    }
    
    .btn-cookie-outline {
        flex: 100%;
    }
}