/* ============================================================
   Aysa Yapı — Premium Cinematic Design System
   ============================================================ */

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

:root {
    /* Brand Identity Colors (Overridden dynamically from DB Settings) */
    --primary-color: #8EB4AF;
    --dark-tone: #688E8A;
    --light-tone: #B7D0CC;
    --bg-color: #EDF4F3;
    --dark-bg: #13252A;
    --extra-dark-bg: #0B171B;
    --light-text: #F6F7F5;
    --dark-text: #13252A;
    --muted-text: #718096;
    
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Plus Jakarta Sans', sans-serif;
    --transition-smooth: cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
    font-size: 16px;
    scroll-behavior: auto; /* Managed by Lenis smooth scroll */
}

body {
    font-family: var(--font-body);
    background-color: var(--extra-dark-bg);
    color: var(--light-text);
    overflow-x: hidden;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

/* Custom Follower Cursor */
.custom-cursor {
    position: fixed;
    top: 0;
    left: 0;
    width: 12px;
    height: 12px;
    background-color: var(--primary-color);
    border-radius: 50%;
    pointer-events: none;
    z-index: 9999;
    transform: translate(-50%, -50%);
    transition: transform 0.15s ease-out, width 0.3s ease, height 0.3s ease, background-color 0.3s ease;
}

.custom-cursor-follower {
    position: fixed;
    top: 0;
    left: 0;
    width: 40px;
    height: 40px;
    border: 1px solid rgba(142, 180, 175, 0.4);
    border-radius: 50%;
    pointer-events: none;
    z-index: 9998;
    transform: translate(-50%, -50%);
    transition: transform 0.25s ease-out;
}

body.cursor-hover .custom-cursor {
    width: 24px;
    height: 24px;
    background-color: var(--light-tone);
    opacity: 0.8;
}

/* Three.js Background Canvas */
#three-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -1;
    pointer-events: none;
    opacity: 0.45;
}

/* Preloader */
.preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--extra-dark-bg);
    z-index: 10000;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    transition: opacity 0.8s ease, visibility 0.8s ease;
}

.preloader-brand {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 700;
    letter-spacing: 4px;
    color: var(--light-text);
    margin-bottom: 20px;
    text-transform: uppercase;
}

.preloader-bar {
    width: 180px;
    height: 2px;
    background: rgba(255, 255, 255, 0.1);
    position: relative;
    overflow: hidden;
}

.preloader-progress {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    width: 0%;
    background: var(--primary-color);
    transition: width 0.3s ease;
}

/* Header & Navigation */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 25px 60px;
    z-index: 1000;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background-color 0.4s ease, padding 0.4s ease, backdrop-filter 0.4s ease;
    box-sizing: border-box;
    gap: 28px;
}

.site-header.scrolled {
    padding: 15px 60px;
    background-color: rgba(19, 37, 42, 0.85);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(142, 180, 175, 0.15);
}

.header-brand {
    display: flex;
    align-items: center;
    gap: 15px;
    text-decoration: none;
    color: var(--light-text);
}

.header-brand img {
    height: 42px;
    width: auto;
}

.header-brand-text {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 700;
    letter-spacing: 2px;
}

.header-nav {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: clamp(14px, 1.65vw, 30px);
    margin-left: auto;
}

.nav-link {
    color: #ffffff !important;
    text-decoration: none;
    font-size: clamp(0.78rem, 0.78vw, 0.92rem);
    font-weight: 500;
    letter-spacing: 1px;
    text-transform: uppercase;
    position: relative;
    padding: 5px 0;
    transition: color 0.3s ease;
}

.header-top {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}

.mobile-language { display: none; }

.menu-toggle {
    display: none;
    width: 44px;
    height: 44px;
    padding: 10px;
    border: 1px solid rgba(142, 180, 175, 0.45);
    border-radius: 6px;
    background: rgba(11, 23, 27, 0.55);
    cursor: pointer;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
}

.menu-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--light-text);
    transition: transform 0.25s ease, opacity 0.25s ease;
}

.menu-toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle.is-open span:nth-child(2) { opacity: 0; }
.menu-toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

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

.nav-link:hover, .nav-link.active {
    color: #ffffff !important;
}

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

.btn-header-cta {
    background: transparent;
    color: var(--primary-color);
    border: 1px solid var(--primary-color);
    padding: 10px 24px;
    border-radius: 4px;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    text-decoration: none;
    transition: all 0.3s ease;
}

.btn-header-cta:hover {
    background: var(--primary-color);
    color: var(--extra-dark-bg);
    box-shadow: 0 0 20px rgba(142, 180, 175, 0.4);
}

/* Fullscreen Hero Slider */
.hero-section {
    position: relative;
    width: 100%;
    height: 100vh;
    overflow: hidden;
}

.hero-slider .swiper-slide {
    position: relative;
    width: 100%;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: flex-start;
}

.hero-slide-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    transform: scale(1.05);
    transition: transform 8s ease;
}

.swiper-slide-active .hero-slide-bg {
    transform: scale(1);
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, rgba(11, 23, 27, 0.7) 0%, rgba(11, 23, 27, 0.85) 100%);
}

.hero-container {
    position: relative;
    z-index: 10;
    width: 100%;
    max-width: 100%;
    margin: 0;
    padding: 0 80px;
    text-align: left;
}

.hero-subtitle {
    display: inline-block;
    color: var(--primary-color);
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 3px;
    text-transform: uppercase;
    margin-bottom: 20px;
    text-align: left;
}

.hero-title {
    font-family: var(--font-heading);
    font-size: clamp(2.5rem, 6vw, 5rem);
    font-weight: 700;
    line-height: 1.1;
    color: var(--light-text);
    margin-bottom: 25px;
    max-width: 900px;
    text-align: left;
    margin-left: 0;
}

.hero-desc {
    font-size: 1.15rem;
    color: rgba(246, 247, 245, 0.75);
    max-width: 650px;
    margin-bottom: 40px;
    font-weight: 300;
    text-align: left;
    margin-left: 0;
}

/* Hero Slider Controls */
.hero-controls {
    position: absolute;
    bottom: 50px;
    right: 60px;
    z-index: 20;
    display: flex;
    align-items: center;
    gap: 20px;
}

.hero-swiper-prev, .hero-swiper-next {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    border: 1px solid rgba(142, 180, 175, 0.4);
    background: rgba(19, 37, 42, 0.6);
    backdrop-filter: blur(8px);
    color: var(--light-text);
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.5rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.hero-swiper-prev:hover, .hero-swiper-next:hover {
    background: var(--primary-color);
    color: var(--extra-dark-bg);
    border-color: var(--primary-color);
    box-shadow: 0 0 20px rgba(142, 180, 175, 0.4);
}

.hero-slider .swiper-pagination {
    position: static;
    display: flex;
    align-items: center;
    gap: 8px;
}

.hero-slider .swiper-pagination-bullet {
    background: rgba(246, 247, 245, 0.4);
    opacity: 1;
    width: 10px;
    height: 10px;
    margin: 0 !important;
    transition: all 0.3s ease;
}

.hero-slider .swiper-pagination-bullet-active {
    background: var(--primary-color);
    width: 30px;
    border-radius: 5px;
}
.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background-color: var(--primary-color);
    color: var(--extra-dark-bg);
    padding: 16px 36px;
    border-radius: 4px;
    font-size: 0.95rem;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    text-decoration: none;
    transition: all 0.3s var(--transition-smooth);
    border: none;
    cursor: pointer;
}

.btn-primary:hover {
    background-color: var(--light-tone);
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(142, 180, 175, 0.3);
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: transparent;
    color: var(--light-text);
    padding: 16px 36px;
    border-radius: 4px;
    font-size: 0.95rem;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    text-decoration: none;
    border: 1px solid rgba(246, 247, 245, 0.3);
    transition: all 0.3s ease;
    cursor: pointer;
}

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

/* Sections Layout */
.section-padding {
    padding: 120px 0;
}

.container {
    max-width: 1300px;
    margin: 0 auto;
    padding: 0 40px;
}

.section-header {
    margin-bottom: 60px;
}

.section-tag {
    color: var(--primary-color);
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 3px;
    text-transform: uppercase;
    margin-bottom: 12px;
    display: block;
}

.section-title {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 4vw, 3.2rem);
    font-weight: 700;
    color: var(--light-text);
    line-height: 1.2;
}

/* Stats Counter Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    padding: 60px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    margin: 60px 0;
}

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

.stat-number {
    font-family: var(--font-heading);
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--primary-color);
    margin-bottom: 5px;
}

.stat-label {
    font-size: 0.9rem;
    color: rgba(246, 247, 245, 0.7);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Projects Cards Grid */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
    gap: 40px;
}

.project-card {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    background-color: var(--dark-bg);
    border: 1px solid rgba(142, 180, 175, 0.15);
    transition: transform 0.4s var(--transition-smooth), border-color 0.4s ease;
}

.project-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary-color);
}

.project-thumb {
    width: 100%;
    height: 280px;
    overflow: hidden;
    position: relative;
}

.project-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s var(--transition-smooth);
}

.project-card:hover .project-thumb img {
    transform: scale(1.08);
}

.project-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background-color: rgba(19, 37, 42, 0.85);
    backdrop-filter: blur(8px);
    color: var(--primary-color);
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.project-info {
    padding: 30px;
}

.project-category {
    color: var(--dark-tone);
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 8px;
}

.project-name {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--light-text);
    margin-bottom: 12px;
    text-decoration: none;
    display: block;
}

.project-meta {
    display: flex;
    gap: 20px;
    font-size: 0.85rem;
    color: rgba(246, 247, 245, 0.6);
    margin-top: 15px;
    padding-top: 15px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

/* Services Grid */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 30px;
}

.service-card {
    background-color: rgba(19, 37, 42, 0.6);
    border: 1px solid rgba(142, 180, 175, 0.15);
    padding: 40px;
    border-radius: 8px;
    transition: all 0.4s var(--transition-smooth);
}

.service-card:hover {
    background-color: var(--dark-bg);
    border-color: var(--primary-color);
    transform: translateY(-5px);
}

.service-icon {
    font-size: 2.8rem;
    color: var(--primary-color);
    margin-bottom: 25px;
}

.service-title {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--light-text);
    margin-bottom: 15px;
}

.service-desc {
    color: rgba(246, 247, 245, 0.7);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* Gallery Grid & Lightbox */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 25px;
}

.gallery-item {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    height: 260px;
    cursor: pointer;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.gallery-item:hover img {
    transform: scale(1.1);
}

.gallery-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(11, 23, 27, 0.7);
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

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

.gallery-overlay i {
    font-size: 2.2rem;
    color: var(--primary-color);
}

/* Footer Styling */
.site-footer {
    background-color: var(--extra-dark-bg);
    border-top: 1px solid rgba(142, 180, 175, 0.15);
    padding: 80px 0 40px 0;
    color: rgba(246, 247, 245, 0.7);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 60px;
    margin-bottom: 60px;
}

.footer-col h4 {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--light-text);
    margin-bottom: 25px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

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

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

.footer-links a {
    color: rgba(246, 247, 245, 0.7);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    font-size: 0.85rem;
}

/* Forms */
.form-group {
    margin-bottom: 25px;
}

.form-label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--light-text);
    margin-bottom: 8px;
}

.form-control {
    width: 100%;
    padding: 14px 18px;
    background-color: rgba(19, 37, 42, 0.8);
    border: 1px solid rgba(142, 180, 175, 0.25);
    border-radius: 4px;
    color: var(--light-text);
    font-family: var(--font-body);
    font-size: 0.95rem;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 12px rgba(142, 180, 175, 0.25);
}

/* Premium homepage experience */
.hero-section { position: relative; }
.hero-trust-strip {
    position: absolute;
    z-index: 8;
    left: 50%;
    bottom: 28px;
    transform: translateX(-50%);
    width: min(860px, calc(100% - 48px));
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    background: rgba(11, 23, 27, 0.78);
    border: 1px solid rgba(142, 180, 175, 0.28);
    border-radius: 10px;
    backdrop-filter: blur(14px);
    overflow: hidden;
}
.hero-trust-item { padding: 17px 24px; text-align: center; }
.hero-trust-item + .hero-trust-item { border-left: 1px solid rgba(255, 255, 255, 0.1); }
.hero-trust-item strong { display: block; color: var(--light-text); font-size: 1rem; }
.hero-trust-item span { color: rgba(246,247,245,.65); font-size: .75rem; letter-spacing: .08em; text-transform: uppercase; }

.project-spotlight {
    display: grid;
    grid-template-columns: minmax(0, 1.35fr) minmax(340px, .65fr);
    min-height: 500px;
    margin-bottom: 48px;
    overflow: hidden;
    border: 1px solid rgba(142,180,175,.22);
    border-radius: 12px;
    background: linear-gradient(145deg, rgba(19,37,42,.96), rgba(11,23,27,.96));
}
.project-spotlight-media { min-height: 430px; overflow: hidden; }
.project-spotlight-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .8s var(--transition-smooth); }
.project-spotlight:hover .project-spotlight-media img { transform: scale(1.035); }
.project-spotlight-content { display: flex; flex-direction: column; justify-content: center; padding: clamp(32px, 5vw, 68px); }
.project-spotlight-content h3 { color: var(--light-text); font: 700 clamp(2rem, 3vw, 3.1rem)/1.12 var(--font-heading); margin-bottom: 18px; }
.project-spotlight-content p { color: rgba(246,247,245,.72); line-height: 1.75; margin-bottom: 28px; }
.project-spotlight-facts { display: grid; gap: 12px; margin-bottom: 32px; color: rgba(246,247,245,.76); font-size: .9rem; }
.project-spotlight-facts span { display: flex; align-items: center; gap: 10px; }
.project-spotlight-facts i { color: var(--primary-color); font-size: 1.1rem; }
.project-spotlight-content .btn-primary { align-self: flex-start; }

.project-hover-action {
    position: absolute;
    right: 20px;
    bottom: 18px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 14px;
    border-radius: 5px;
    color: var(--extra-dark-bg);
    background: var(--primary-color);
    text-decoration: none;
    font-size: .78rem;
    font-weight: 700;
    opacity: 0;
    transform: translateY(10px);
    transition: .3s ease;
}
.project-card:hover .project-hover-action,
.project-card:focus-within .project-hover-action { opacity: 1; transform: translateY(0); }

.process-section { background: var(--dark-bg); }
.process-grid { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 18px; counter-reset: process; }
.process-card {
    position: relative;
    padding: 34px 24px 28px;
    border: 1px solid rgba(142,180,175,.16);
    border-radius: 8px;
    background: rgba(11,23,27,.45);
    transition: transform .35s ease, border-color .35s ease, background .35s ease;
}
.process-card:hover { transform: translateY(-7px); border-color: var(--primary-color); background: rgba(11,23,27,.8); }
.process-card:not(:last-child)::after { content: ''; position: absolute; width: 18px; height: 1px; right: -19px; top: 53px; background: rgba(142,180,175,.45); }
.process-card i { display: block; color: var(--primary-color); font-size: 2rem; margin-bottom: 22px; }
.process-card h3 { color: var(--light-text); font-family: var(--font-heading); margin-bottom: 10px; }
.process-card p { color: rgba(246,247,245,.65); font-size: .87rem; line-height: 1.65; }
.process-number { position: absolute; top: 18px; right: 18px; color: rgba(142,180,175,.35); font: 700 .78rem var(--font-heading); letter-spacing: .12em; }

.principles-section { background: var(--extra-dark-bg); }
.principles-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.principle-card { padding: 42px; border-radius: 10px; border: 1px solid rgba(142,180,175,.16); background: linear-gradient(145deg, rgba(19,37,42,.7), rgba(11,23,27,.5)); }
.principle-card i { color: var(--primary-color); font-size: 2.4rem; }
.principle-card h3 { color: var(--light-text); font: 700 1.35rem var(--font-heading); margin: 22px 0 12px; }
.principle-card p { color: rgba(246,247,245,.68); line-height: 1.7; }
.principles-note { margin-top: 22px; text-align: center; color: rgba(246,247,245,.45); font-size: .78rem; }

.reference-marquee { overflow: hidden; padding: 18px 0; mask-image: linear-gradient(to right, transparent, #000 12%, #000 88%, transparent); }
.reference-track { display: flex; align-items: center; width: max-content; gap: 64px; animation: referenceFlow 28s linear infinite; }
.reference-track.is-static { width: 100%; justify-content: center; animation: none; }
.reference-marquee:hover .reference-track { animation-play-state: paused; }
.reference-logo { width: 170px; display: flex; justify-content: center; align-items: center; }
.reference-logo img { max-width: 150px; max-height: 48px; opacity: .58; filter: grayscale(1); transition: .3s ease; }
.reference-logo:hover img { opacity: 1; filter: grayscale(0); }
@keyframes referenceFlow { to { transform: translateX(-50%); } }

.mobile-contact-bar { display: none; }

/* ============================================================
   Comprehensive Responsive & Mobile Architecture
   ============================================================ */

/* Global Overflow Prevention & Safe Padding */
html, body {
    overflow-x: hidden;
    width: 100%;
}

.container, .wrap {
    width: 100%;
    max-width: 1300px;
    margin-left: auto;
    margin-right: auto;
    padding-left: 24px;
    padding-right: 24px;
    box-sizing: border-box;
}

@media (max-width: 1200px) {
    .hero-container {
        padding-left: 50px !important;
        padding-right: 50px !important;
    }
    .hero-title {
        font-size: 3rem !important;
    }
    .hero-subtitle {
        font-size: 1.1rem !important;
    }
    .projects-grid, .services-grid, .blog-grid, .gallery-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 25px !important;
    }
    .process-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .process-card::after { display: none; }
}

@media (max-width: 1320px) {
    .site-header,
    .site-header.scrolled {
        padding: 14px 24px !important;
        background-color: rgba(19, 37, 42, 0.94);
        backdrop-filter: blur(16px);
    }

    .header-brand { margin-right: auto; }
    .header-brand img { height: 34px; }
    .menu-toggle { display: flex; }

    .header-nav {
        position: absolute;
        top: 100%;
        left: 16px;
        right: 16px;
        display: flex;
        flex-direction: column;
        align-items: stretch;
        gap: 0 !important;
        margin: 0;
        padding: 10px;
        border: 1px solid rgba(142, 180, 175, 0.2);
        border-radius: 8px;
        background: rgba(11, 23, 27, 0.98);
        box-shadow: 0 18px 45px rgba(0, 0, 0, 0.35);
        opacity: 0;
        visibility: hidden;
        transform: translateY(-10px);
        transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s ease;
    }

    .header-nav.is-open {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }

    .header-nav .nav-link {
        color: #ffffff !important;
        padding: 13px 14px;
        border-bottom: 1px solid rgba(142, 180, 175, 0.12);
        font-size: 0.9rem;
    }

    .header-nav .nav-link:last-child { border-bottom: 0; }
    .header-nav .nav-link::after { display: none; }

    .mobile-language {
        display: none;
        justify-content: center;
        gap: 8px;
        padding: 14px 10px 6px;
    }

    .mobile-language .lang-btn {
        color: #ffffff;
    }
}

@media (max-width: 992px) {
    .site-header {
        padding: 16px 24px !important;
    }
    .header-nav {
        gap: 20px !important;
    }
    .footer-grid {
        grid-template-columns: 1fr 1fr !important;
        gap: 40px !important;
    }
    .stats-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 20px !important;
    }
    .hero-container {
        padding-left: 30px !important;
        padding-right: 30px !important;
    }
    .hero-title {
        font-size: 2.5rem !important;
    }
    .responsive-main-sidebar {
        grid-template-columns: 1fr !important;
        gap: 36px !important;
    }
    .responsive-four-col {
        grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
    }
    .project-spotlight { grid-template-columns: 1fr; }
    .project-spotlight-media { min-height: 380px; }
}

@media (max-width: 768px) {
    .site-header {
        padding: 14px 18px !important;
    }
    .btn-header-cta {
        display: none;
    }
    .lang-switcher { margin-left: 0 !important; }
    .hero-container {
        padding-left: 20px !important;
        padding-right: 20px !important;
    }
    .hero-title {
        font-size: 2.1rem !important;
        line-height: 1.25 !important;
    }
    .hero-subtitle {
        font-size: 0.95rem !important;
    }
    .hero-buttons {
        flex-direction: column !important;
        align-items: stretch !important;
        width: 100% !important;
    }
    .hero-buttons .btn-primary, .hero-buttons .btn-secondary {
        text-align: center !important;
        justify-content: center !important;
        width: 100% !important;
    }
    .projects-grid, .services-grid, .blog-grid, .gallery-grid, .stats-grid {
        grid-template-columns: 1fr !important;
        gap: 20px !important;
    }
    .responsive-two-col,
    .responsive-card-grid {
        grid-template-columns: minmax(0, 1fr) !important;
        gap: 24px !important;
    }
    .footer-grid {
        grid-template-columns: 1fr !important;
        gap: 35px !important;
    }
    .footer-bottom {
        flex-direction: column !important;
        text-align: center !important;
        gap: 12px !important;
    }
    .section-padding {
        padding: 60px 0 !important;
    }
    .section-title {
        font-size: 2.2rem !important;
    }
    .hero-trust-strip { bottom: 18px; width: calc(100% - 32px); }
    .hero-trust-item { padding: 13px 8px; }
    .hero-trust-item strong { font-size: .82rem; }
    .hero-trust-item span { font-size: .6rem; letter-spacing: .04em; }
    .project-spotlight { min-height: 0; }
    .project-spotlight-media { min-height: 280px; }
    .project-spotlight-content { padding: 30px 24px; }
    .project-hover-action { opacity: 1; transform: none; }
    .process-grid, .principles-grid { grid-template-columns: 1fr !important; }
    .principle-card { padding: 30px 24px; }
    .mobile-contact-bar {
        position: fixed;
        z-index: 1000;
        left: 12px;
        right: 12px;
        bottom: max(10px, env(safe-area-inset-bottom));
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        border: 1px solid rgba(142,180,175,.35);
        border-radius: 12px;
        background: rgba(11,23,27,.96);
        box-shadow: 0 14px 38px rgba(0,0,0,.42);
        backdrop-filter: blur(14px);
        overflow: hidden;
    }
    .mobile-contact-bar a { display: flex; flex-direction: column; align-items: center; gap: 3px; padding: 10px 4px; color: #fff; text-decoration: none; font-size: .67rem; font-weight: 600; }
    .mobile-contact-bar a + a { border-left: 1px solid rgba(255,255,255,.09); }
    .mobile-contact-bar i { color: var(--primary-color); font-size: 1.2rem; }
    body { padding-bottom: 76px; }
}

@media (max-width: 520px) {
    .site-header,
    .site-header.scrolled {
        padding: 12px 16px !important;
        gap: 12px;
    }

    .header-top > .lang-switcher { display: none; }
    .mobile-language { display: flex; }
    .header-brand img { height: 30px; }
}

@media (max-width: 480px) {
    .container, .wrap {
        padding-left: 16px !important;
        padding-right: 16px !important;
    }
    .hero-title {
        font-size: 1.75rem !important;
    }
    .btn-primary, .btn-secondary {
        padding: 14px 24px !important;
        font-size: 0.9rem !important;
    }
    .responsive-four-col {
        grid-template-columns: minmax(0, 1fr) !important;
        padding: 20px !important;
    }
    .hero-trust-item:nth-child(2) { display: none; }
    .hero-trust-strip { grid-template-columns: repeat(2, 1fr); }
}

@media (prefers-reduced-motion: reduce) {
    .reference-track { animation: none; }
    .project-card, .project-spotlight-media img, .process-card { transition: none; }
}