/* ============================================
   AKTÜRK İMAR İNŞAAT - Main Stylesheet
   BOLD / ARCHITECTURAL / SHARP BRANDING
   ============================================ */

/* ---------- RESET & BASE ---------- */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #0a0a0a;
    --primary-light: #141414;
    --accent: #c9a94e;
    --accent-light: #d4b85c;
    --accent-dark: #a88b3a;
    --white: #ffffff;
    --off-white: #f5f5f3;
    --gray-50: #fafafa;
    --gray-100: #f0f0f0;
    --gray-200: #e0e0e0;
    --gray-300: #c0c0c0;
    --gray-400: #888888;
    --gray-500: #666666;
    --gray-600: #444444;
    --gray-700: #333333;
    --gray-800: #1a1a1a;
    --gray-900: #0d0d0d;
    --success: #22c55e;
    --warning: #f59e0b;
    --danger: #ef4444;
    --font-display: 'Montserrat', 'Helvetica Neue', Arial, sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
    --shadow: 0 4px 12px rgba(0,0,0,0.1);
    --shadow-md: 0 8px 24px rgba(0,0,0,0.12);
    --shadow-lg: 0 16px 40px rgba(0,0,0,0.15);
    --shadow-xl: 0 24px 60px rgba(0,0,0,0.2);
    --radius: 4px;
    --radius-lg: 6px;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: var(--font-body);
    color: var(--gray-800);
    background: var(--white);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

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

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ---------- LOADER ---------- */
#loader {
    position: fixed;
    inset: 0;
    z-index: 10000;
    background: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.6s ease, visibility 0.6s ease;
}

#loader.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

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

.loader-logo {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    animation: loaderPulse 2.2s ease-in-out forwards;
}

.loader-logo-main {
    font-family: var(--font-display);
    font-size: 56px;
    font-weight: 300;
    color: var(--white);
    letter-spacing: 20px;
    text-transform: uppercase;
    text-indent: 20px;
}

.loader-logo-sub {
    font-family: var(--font-display);
    font-size: 14px;
    font-weight: 300;
    color: var(--accent);
    letter-spacing: 12px;
    text-transform: uppercase;
    text-indent: 12px;
}

@keyframes loaderPulse {
    0% { opacity: 0; transform: scale(0.95); }
    30% { opacity: 1; transform: scale(1); }
    70% { opacity: 1; transform: scale(1); }
    100% { opacity: 0.8; transform: scale(1.02); }
}

@keyframes loaderProgress {
    0% { width: 0%; }
    50% { width: 60%; }
    100% { width: 100%; }
}

/* ---------- HEADER ---------- */
#header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 24px 0;
    transition: all 0.4s ease;
}

#header.scrolled {
    background: rgba(10, 10, 10, 0.97);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 14px 0;
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

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

.logo {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0;
    line-height: 1;
    text-align: center;
}

.logo-main {
    font-family: var(--font-display);
    font-size: 24px;
    font-weight: 300;
    color: var(--white);
    letter-spacing: 10px;
    text-transform: uppercase;
    text-indent: 10px;
}

.logo-sub {
    font-family: var(--font-display);
    font-size: 9px;
    font-weight: 300;
    color: var(--accent);
    letter-spacing: 7px;
    text-transform: uppercase;
    margin-top: 4px;
    text-indent: 7px;
}

.nav {
    display: flex;
    align-items: center;
    gap: 36px;
}

.nav-link {
    font-family: var(--font-display);
    font-size: 12px;
    font-weight: 400;
    color: rgba(255,255,255,0.5);
    letter-spacing: 2px;
    text-transform: uppercase;
    position: relative;
    padding: 4px 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0%;
    height: 1px;
    background: var(--accent);
    transition: width 0.3s ease;
}

.nav-link:hover,
.nav-link.active {
    color: var(--white);
}

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

.lang-switch {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-left: 20px;
    padding-left: 20px;
    border-left: 1px solid rgba(255,255,255,0.1);
}

.lang-btn {
    background: none;
    border: none;
    color: rgba(255,255,255,0.35);
    font-family: var(--font-display);
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 2px;
    cursor: pointer;
    padding: 4px 6px;
    transition: var(--transition);
}

.lang-btn.active {
    color: var(--accent);
}

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

.lang-divider {
    color: rgba(255,255,255,0.15);
    font-size: 11px;
}

/* Hamburger */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 1001;
}

.hamburger span {
    display: block;
    width: 28px;
    height: 1px;
    background: var(--white);
    transition: var(--transition);
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

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

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ---------- HERO ---------- */
.hero {
    position: relative;
    height: 100vh;
    min-height: 700px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary);
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url('../img/IMG_7450.JPG') center center / cover no-repeat;
    filter: brightness(0.45);
    opacity: 1;
}

.hero::after {
    content: '';
    position: absolute;
    inset: 40px;
    border: 1px solid rgba(255,255,255,0.04);
    pointer-events: none;
}

.hero-overlay {
    display: none;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 900px;
    padding: 0 24px;
}

/* Hero centered logo + slogan block */
.hero-logo-block {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 32px;
}

.hero-logo-main {
    font-family: var(--font-display);
    font-size: clamp(48px, 8vw, 96px);
    font-weight: 300;
    color: var(--white);
    letter-spacing: 18px;
    text-transform: uppercase;
    line-height: 1;
    text-indent: 18px; /* compensate letter-spacing for visual centering */
}

.hero-logo-sub {
    font-family: var(--font-display);
    font-size: clamp(12px, 2vw, 16px);
    font-weight: 300;
    color: var(--accent);
    letter-spacing: 12px;
    text-transform: uppercase;
    margin-top: 8px;
    text-indent: 12px;
}

.hero-logo-line {
    width: 60px;
    height: 1px;
    background: var(--accent);
    margin: 28px auto;
}

.hero-content h1 {
    font-family: var(--font-display);
    font-size: clamp(18px, 3vw, 28px);
    font-weight: 300;
    color: rgba(255,255,255,0.85);
    line-height: 1.15;
    margin-bottom: 0;
    letter-spacing: 10px;
    text-indent: 10px;
    text-transform: uppercase;
}

.hero-content h1 span {
    color: rgba(255,255,255,0.85);
    -webkit-text-fill-color: unset;
    background: none;
}

.hero-content p {
    font-family: var(--font-display);
    font-size: clamp(14px, 1.5vw, 16px);
    font-weight: 300;
    color: rgba(255,255,255,0.7);
    max-width: 560px;
    margin: 0 auto 48px;
    line-height: 1.8;
    letter-spacing: 1px;
}

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 15px 36px;
    border-radius: 0;
    font-family: var(--font-display);
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 3px;
    text-transform: uppercase;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 1px solid transparent;
}

.btn-primary {
    background: var(--accent);
    color: var(--primary);
    border-color: var(--accent);
}

.btn-primary:hover {
    background: var(--white);
    border-color: var(--white);
    color: var(--primary);
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    color: var(--white);
    border-color: rgba(255,255,255,0.2);
}

.btn-outline:hover {
    background: var(--white);
    border-color: var(--white);
    color: var(--primary);
    transform: translateY(-2px);
}

.btn-light {
    background: var(--white);
    color: var(--primary);
    border-color: var(--white);
    font-size: 14px;
    padding: 18px 44px;
    letter-spacing: 3px;
}

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

.btn-full {
    width: 100%;
    justify-content: center;
}

/* Scroll indicator */
.hero-scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
}

.scroll-indicator {
    width: 20px;
    height: 36px;
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: 10px;
    position: relative;
}

.scroll-indicator::before {
    content: '';
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    height: 6px;
    background: var(--accent);
    border-radius: 1px;
    animation: scrollDown 2s ease-in-out infinite;
}

@keyframes scrollDown {
    0%, 100% { opacity: 1; transform: translateX(-50%) translateY(0); }
    50% { opacity: 0.3; transform: translateX(-50%) translateY(10px); }
}

/* ---------- STATS BAR ---------- */
.stats-bar {
    background: var(--primary);
    padding: 56px 0;
    border-top: 1px solid rgba(201, 169, 78, 0.1);
    border-bottom: 1px solid rgba(201, 169, 78, 0.1);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 32px;
    text-align: center;
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.stat-number {
    font-family: var(--font-display);
    font-size: 48px;
    font-weight: 200;
    color: var(--white);
    line-height: 1;
}

.stat-plus {
    font-family: var(--font-display);
    font-size: 28px;
    font-weight: 200;
    color: var(--accent);
}

.stat-label {
    font-family: var(--font-display);
    font-size: 11px;
    color: var(--gray-500);
    letter-spacing: 3px;
    text-transform: uppercase;
    font-weight: 400;
}

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

.section-header {
    text-align: center;
    margin-bottom: 72px;
}

.section-tag {
    display: inline-block;
    font-family: var(--font-display);
    font-size: 11px;
    font-weight: 500;
    color: var(--accent);
    letter-spacing: 4px;
    text-transform: uppercase;
    margin-bottom: 20px;
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(28px, 3.5vw, 44px);
    font-weight: 300;
    color: var(--gray-900);
    line-height: 1.2;
    letter-spacing: 3px;
    text-transform: uppercase;
}

.section-desc {
    font-size: 15px;
    color: var(--gray-500);
    max-width: 560px;
    margin: 20px auto 0;
    line-height: 1.8;
    font-weight: 300;
}

/* ---------- ABOUT ---------- */
.about {
    background: var(--off-white);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
    max-width: 800px;
    margin: 0 auto;
}

.about-text p {
    font-size: 15px;
    color: var(--gray-600);
    line-height: 1.9;
    margin-bottom: 20px;
    font-weight: 300;
}

.about-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-top: 36px;
}

.about-feature {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 18px 20px;
    background: var(--white);
    border: 1px solid var(--gray-200);
    transition: var(--transition);
}

.about-feature:hover {
    border-color: var(--accent);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.about-feature i {
    font-size: 18px;
    color: var(--accent);
    width: 20px;
    text-align: center;
}

.about-feature span {
    font-family: var(--font-display);
    font-size: 12px;
    font-weight: 500;
    color: var(--gray-700);
    letter-spacing: 1px;
    text-transform: uppercase;
}

.about-img-wrapper {
    position: relative;
    overflow: hidden;
    aspect-ratio: 4/5;
}

.about-img-placeholder {
    width: 100%;
    height: 100%;
    background: var(--primary);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 16px;
}

.about-img-placeholder i {
    font-size: 64px;
    color: rgba(201, 169, 78, 0.15);
}

.about-img-placeholder span {
    font-family: var(--font-display);
    font-size: 11px;
    color: var(--gray-600);
    letter-spacing: 3px;
    text-transform: uppercase;
}

/* ---------- SERVICES ---------- */
/* ---------- PHOTO DIVIDER ---------- */
.photo-divider {
    width: 100%;
    height: 280px;
    overflow: hidden;
    position: relative;
}

.photo-divider img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    filter: none;
    display: block;
}

.services {
    background: var(--white);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1px;
    background: var(--gray-200);
    border: 1px solid var(--gray-200);
}

.service-card {
    background: var(--white);
    padding: 48px 32px;
    text-align: center;
    transition: all 0.4s ease;
    position: relative;
}

.service-card::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--accent);
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.service-card:hover {
    background: var(--gray-50);
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-icon {
    width: 56px;
    height: 56px;
    border: 1px solid var(--gray-200);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 28px;
    transition: var(--transition);
}

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

.service-icon i {
    font-size: 22px;
    color: var(--accent);
    transition: var(--transition);
}

.service-card:hover .service-icon i {
    color: var(--accent);
}

.service-card h3 {
    font-family: var(--font-display);
    font-size: 14px;
    font-weight: 500;
    color: var(--gray-800);
    margin-bottom: 14px;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.service-card p {
    font-size: 14px;
    color: var(--gray-500);
    line-height: 1.7;
    font-weight: 300;
}

/* ---------- PROJECTS ---------- */
.projects {
    background: var(--off-white);
}

.project-filters {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 56px;
    flex-wrap: wrap;
}

.projects .section-header {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.filter-btn {
    padding: 10px 24px;
    border: 1px solid rgba(0,0,0,0.08);
    background: transparent;
    font-family: var(--font-display);
    font-size: 11px;
    font-weight: 400;
    color: var(--gray-500);
    cursor: pointer;
    transition: var(--transition);
    letter-spacing: 2px;
    text-transform: uppercase;
}

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

.filter-btn.active {
    background: var(--primary);
    border-color: var(--primary);
    color: var(--white);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2px;
    background: var(--gray-200);
}

.project-card {
    background: var(--white);
    overflow: hidden;
    transition: all 0.4s ease;
}

.project-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    z-index: 1;
}

.project-card.hidden {
    display: none;
}

.project-image {
    position: relative;
    height: 240px;
    overflow: hidden;
}

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

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

.project-img-placeholder {
    width: 100%;
    height: 100%;
    background: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
}

.project-img-placeholder i {
    font-size: 40px;
    color: rgba(201, 169, 78, 0.15);
}

/* Project Carousel */
.project-carousel {
    position: relative;
}

.carousel-track {
    display: flex;
    width: 100%;
    height: 100%;
    transition: transform 0.4s ease;
}

.carousel-track img {
    min-width: 100%;
    width: 100%;
    height: 100%;
    object-fit: cover;
    flex-shrink: 0;
}

.carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--accent);
    font-size: 18px;
    cursor: pointer;
    z-index: 3;
    padding: 8px;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.project-carousel:hover .carousel-btn {
    opacity: 1;
}

.carousel-prev { left: 8px; }
.carousel-next { right: 8px; }

.carousel-dots {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 6px;
    z-index: 3;
}

.carousel-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: rgba(255,255,255,0.4);
    border: none;
    padding: 0;
    cursor: pointer;
    transition: background 0.3s ease;
}

.carousel-dot.active {
    background: var(--accent);
}

.project-badge {
    position: absolute;
    top: 16px;
    left: 16px;
    padding: 6px 16px;
    font-family: var(--font-display);
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.project-badge.completed {
    background: var(--accent);
    color: var(--primary);
}

.project-badge.ongoing {
    background: var(--white);
    color: var(--primary);
}

.project-badge.planned {
    background: rgba(255,255,255,0.15);
    color: var(--white);
    backdrop-filter: blur(10px);
}

.project-progress {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(0,0,0,0.6);
    padding: 10px 16px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.progress-bar {
    flex: 1;
    height: 2px;
    background: rgba(255,255,255,0.15);
    position: relative;
    overflow: hidden;
}

.progress-bar::after {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--accent);
    width: inherit;
}

.project-progress span {
    font-family: var(--font-display);
    font-size: 11px;
    font-weight: 500;
    color: var(--white);
    letter-spacing: 1px;
}

.project-info {
    padding: 28px;
}

.project-info h3 {
    font-family: var(--font-display);
    font-size: 16px;
    font-weight: 500;
    color: var(--gray-800);
    margin-bottom: 8px;
    letter-spacing: 1px;
}

.project-location {
    font-size: 13px;
    color: var(--gray-500);
    margin-bottom: 20px;
    font-weight: 300;
}

.project-location i {
    color: var(--accent);
    margin-right: 4px;
}

.project-details {
    display: flex;
    justify-content: space-between;
    padding-top: 16px;
    border-top: 1px solid var(--gray-100);
}

.project-details span {
    font-size: 12px;
    color: var(--gray-500);
    display: flex;
    align-items: center;
    gap: 6px;
    font-weight: 300;
}

.project-details i {
    color: var(--accent);
    font-size: 13px;
}

/* ---------- CONCEPTS ---------- */
.concepts {
    background: var(--primary);
    padding: 120px 0;
}

.concepts .section-tag {
    color: var(--accent);
}

.concepts .section-title {
    color: var(--white);
}

.concepts .section-desc {
    color: rgba(255,255,255,0.35);
}

.concepts-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2px;
    grid-auto-rows: 300px;
}

.concept-card {
    overflow: hidden;
    position: relative;
    cursor: pointer;
}

.concept-large {
    grid-column: span 2;
}

.concept-full {
    grid-column: 1 / -1;
    grid-row: span 2;
}

.concept-image {
    width: 100%;
    height: 100%;
    position: relative;
}

.concept-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.8s ease;
}

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

.concept-img-placeholder {
    width: 100%;
    height: 100%;
    background: var(--primary-light);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.8s ease;
}

.concept-card:hover .concept-img-placeholder {
    transform: scale(1.08);
}

.concept-img-placeholder i {
    font-size: 48px;
    color: rgba(201, 169, 78, 0.1);
}

.concept-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(10, 10, 10, 0.95) 0%, rgba(10, 10, 10, 0.2) 50%, transparent 100%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 32px;
    transition: var(--transition);
}

.concept-card:hover .concept-overlay {
    background: linear-gradient(to top, rgba(10, 10, 10, 0.98) 0%, rgba(10, 10, 10, 0.5) 60%, rgba(10, 10, 10, 0.15) 100%);
}

.concept-tag {
    display: inline-block;
    font-family: var(--font-display);
    font-size: 10px;
    font-weight: 500;
    color: var(--accent);
    letter-spacing: 3px;
    text-transform: uppercase;
    margin-bottom: 8px;
}

.concept-overlay h3 {
    font-family: var(--font-display);
    font-size: 18px;
    font-weight: 400;
    color: var(--white);
    margin-bottom: 8px;
    letter-spacing: 1px;
}

.concept-overlay p {
    font-size: 13px;
    color: rgba(255,255,255,0.4);
    line-height: 1.7;
    font-weight: 300;
    opacity: 0;
    transform: translateY(10px);
    transition: all 0.4s ease;
}

.concept-card:hover .concept-overlay p {
    opacity: 1;
    transform: translateY(0);
}

/* ---------- CONTACT ---------- */
.contact {
    background: var(--off-white);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.3fr;
    gap: 60px;
}

.contact-grid--centered {
    grid-template-columns: 1fr;
    max-width: 680px;
    margin: 0 auto;
}

.contact-info-card {
    background: var(--primary);
    padding: 40px;
    margin-bottom: 24px;
}

.contact-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
    padding: 18px 0;
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

.contact-item:last-of-type {
    border-bottom: none;
}

.contact-icon {
    width: 44px;
    height: 44px;
    border: 1px solid rgba(201, 169, 78, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-icon i {
    font-size: 16px;
    color: var(--accent);
}

.contact-item h4 {
    font-family: var(--font-display);
    font-size: 10px;
    color: var(--gray-500);
    margin-bottom: 6px;
    text-transform: uppercase;
    letter-spacing: 2px;
    font-weight: 500;
}

.contact-item a,
.contact-item p {
    font-size: 15px;
    color: var(--white);
    line-height: 1.6;
    font-weight: 300;
}

.contact-item a:hover {
    color: var(--accent);
}

.contact-socials {
    display: flex;
    gap: 8px;
    margin-top: 28px;
    padding-top: 24px;
    border-top: 1px solid rgba(255,255,255,0.05);
}

.contact-socials a {
    width: 44px;
    height: 44px;
    border: 1px solid rgba(255,255,255,0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray-500);
    transition: var(--transition);
}

.contact-socials a:hover {
    background: var(--accent);
    border-color: var(--accent);
    color: var(--primary);
}

.contact-map {
    overflow: hidden;
    box-shadow: var(--shadow);
}

/* Forms */
.form-tabs {
    display: flex;
    gap: 0;
    margin-bottom: 32px;
    border: 1px solid var(--gray-200);
}

.form-tab {
    flex: 1;
    padding: 16px 20px;
    border: none;
    background: var(--white);
    font-family: var(--font-display);
    font-size: 11px;
    font-weight: 500;
    color: var(--gray-500);
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 10px;
    justify-content: center;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.form-tab:first-child {
    border-right: 1px solid var(--gray-200);
}

.form-tab i {
    font-size: 14px;
}

.form-tab:hover {
    background: var(--gray-50);
    color: var(--gray-800);
}

.form-tab.active {
    background: var(--primary);
    color: var(--white);
}

.contact-form {
    display: none;
}

.contact-form.active {
    display: block;
}

.form-group {
    position: relative;
    margin-bottom: 20px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 16px 18px;
    border: 1px solid var(--gray-200);
    font-size: 14px;
    font-family: var(--font-body);
    color: var(--gray-800);
    background: var(--white);
    transition: var(--transition);
    outline: none;
    font-weight: 300;
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.form-group label {
    position: absolute;
    top: 16px;
    left: 18px;
    font-size: 14px;
    color: var(--gray-400);
    pointer-events: none;
    transition: all 0.2s ease;
    background: var(--white);
    padding: 0 4px;
    font-weight: 300;
}

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

.form-group input:focus + label,
.form-group input:not(:placeholder-shown) + label,
.form-group select:focus + label,
.form-group select:valid + label,
.form-group textarea:focus + label,
.form-group textarea:not(:placeholder-shown) + label {
    top: -8px;
    font-size: 11px;
    color: var(--primary);
    font-weight: 500;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.form-group select + label {
    top: -8px;
    font-size: 11px;
    color: var(--primary);
    font-weight: 500;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.form-status {
    margin-top: 16px;
    padding: 14px 18px;
    font-size: 13px;
    font-weight: 400;
    display: none;
    letter-spacing: 0.5px;
}

.form-status.success {
    display: block;
    background: rgba(34, 197, 94, 0.08);
    color: var(--success);
    border: 1px solid rgba(34, 197, 94, 0.15);
}

.form-status.error {
    display: block;
    background: rgba(239, 68, 68, 0.08);
    color: var(--danger);
    border: 1px solid rgba(239, 68, 68, 0.15);
}

/* ---------- CTA ---------- */
.cta {
    background: var(--primary);
    padding: 100px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url('../img/IMG_7449.JPG') center center / cover no-repeat;
    filter: none;
    opacity: 0.15;
}

.cta::after {
    content: '';
    position: absolute;
    inset: 0;
    border-top: 1px solid rgba(201, 169, 78, 0.15);
    border-bottom: 1px solid rgba(201, 169, 78, 0.15);
}

.cta-content {
    position: relative;
    z-index: 2;
}

.cta-content h2 {
    font-family: var(--font-display);
    font-size: clamp(24px, 3.5vw, 38px);
    font-weight: 300;
    color: var(--white);
    margin-bottom: 20px;
    letter-spacing: 3px;
    text-transform: uppercase;
}

.cta-content p {
    font-size: 15px;
    color: rgba(255,255,255,0.35);
    margin-bottom: 40px;
    max-width: 480px;
    margin-left: auto;
    margin-right: auto;
    font-weight: 300;
    line-height: 1.8;
}

.cta .btn-light {
    background: var(--accent);
    color: var(--primary);
    border-color: var(--accent);
}

.cta .btn-light:hover {
    background: var(--white);
    border-color: var(--white);
}

/* ---------- FOOTER ---------- */
.footer {
    background: var(--primary);
    padding: 80px 0 0;
    border-top: 1px solid rgba(255,255,255,0.05);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
    gap: 48px;
    padding-bottom: 56px;
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

.footer-logo .logo-main {
    font-size: 20px;
    letter-spacing: 8px;
    text-indent: 8px;
}

.footer-brand p {
    font-size: 14px;
    color: var(--gray-600);
    line-height: 1.8;
    margin-top: 20px;
    max-width: 280px;
    font-weight: 300;
}

.footer-socials {
    display: flex;
    gap: 8px;
    margin-top: 24px;
}

.footer-socials a {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray-500);
    font-size: 16px;
    transition: var(--transition);
}

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

.footer-links h4,
.footer-contact h4 {
    font-family: var(--font-display);
    font-size: 11px;
    font-weight: 500;
    color: var(--white);
    margin-bottom: 24px;
    letter-spacing: 3px;
    text-transform: uppercase;
}

.footer-links a {
    display: block;
    font-size: 14px;
    color: var(--gray-600);
    padding: 7px 0;
    transition: var(--transition);
    font-weight: 300;
}

.footer-links a:hover {
    color: var(--accent);
    padding-left: 8px;
}

.footer-contact p {
    font-size: 14px;
    color: var(--gray-600);
    line-height: 1.8;
    margin-bottom: 8px;
    font-weight: 300;
}

.footer-contact i {
    color: var(--accent);
    margin-right: 8px;
    width: 16px;
    text-align: center;
}

.footer-bottom {
    padding: 28px 0;
    text-align: center;
}

.footer-bottom p {
    font-family: var(--font-display);
    font-size: 11px;
    color: var(--gray-700);
    letter-spacing: 2px;
}

.footer-legal {
    margin-bottom: 16px;
}

.footer-legal a {
    font-family: var(--font-display);
    font-size: 11px;
    color: var(--gray-600);
    letter-spacing: 1px;
    transition: var(--transition);
}

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

.footer-legal span {
    color: var(--gray-700);
    margin: 0 12px;
    font-size: 11px;
}

/* ---------- MODALS ---------- */
.modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.85);
    z-index: 10000;
    align-items: center;
    justify-content: center;
    padding: 24px;
}

.modal-content {
    background: #111;
    border: 1px solid rgba(255,255,255,0.08);
    max-width: 720px;
    width: 100%;
    max-height: 80vh;
    display: flex;
    flex-direction: column;
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 24px 32px;
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

.modal-header h3 {
    font-family: var(--font-display);
    font-size: 13px;
    font-weight: 500;
    color: var(--white);
    letter-spacing: 3px;
    text-transform: uppercase;
}

.modal-close {
    background: none;
    border: none;
    color: var(--gray-500);
    font-size: 20px;
    cursor: pointer;
    padding: 4px;
    transition: var(--transition);
}

.modal-close:hover {
    color: var(--accent);
}

.modal-body {
    padding: 32px;
    overflow-y: auto;
    font-size: 14px;
    color: var(--gray-500);
    line-height: 1.8;
    font-weight: 300;
}

.modal-body h4 {
    font-family: var(--font-display);
    font-size: 12px;
    font-weight: 500;
    color: var(--white);
    letter-spacing: 2px;
    text-transform: uppercase;
    margin: 24px 0 12px;
}

.modal-body h4:first-child {
    margin-top: 0;
}

.modal-body p {
    margin-bottom: 12px;
}

.modal-body ul {
    margin: 8px 0 16px 20px;
}

.modal-body li {
    margin-bottom: 6px;
}

/* ---------- BACK TO TOP ---------- */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 48px;
    height: 48px;
    background: none;
    color: var(--accent);
    border: none;
    cursor: pointer;
    font-size: 22px;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all 0.3s ease;
    box-shadow: none;
    z-index: 100;
}

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

.back-to-top:hover {
    color: var(--white);
    transform: translateY(-4px);
}

/* ========================================
   RESPONSIVE DESIGN
   ======================================== */

@media (max-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

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

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

    .concept-large {
        grid-column: span 2;
    }
}

@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    /* Hide large hero logo on mobile since header already has it */
    .hero-logo-main,
    .hero-logo-sub {
        display: none;
    }

    .hero-logo-line {
        display: none;
    }

    .hero-content h1 {
        font-size: 24px;
        letter-spacing: 8px;
    }

    .nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 320px;
        height: 100vh;
        background: var(--primary);
        flex-direction: column;
        padding: 100px 40px 40px;
        gap: 0;
        transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        box-shadow: -10px 0 40px rgba(0,0,0,0.5);
    }

    .nav.open {
        right: 0;
    }

    .nav-link {
        font-size: 14px;
        padding: 18px 0;
        border-bottom: 1px solid rgba(255,255,255,0.04);
        width: 100%;
        letter-spacing: 3px;
    }

    .lang-switch {
        margin-left: 0;
        padding-left: 0;
        border-left: none;
        margin-top: 24px;
        padding-top: 24px;
        border-top: 1px solid rgba(255,255,255,0.06);
    }

    .hero {
        min-height: 600px;
    }

    .hero::after {
        inset: 20px;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }

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

    .about-image {
        order: -1;
    }

    .about-img-wrapper {
        aspect-ratio: 16/9;
    }

    .services-grid {
        grid-template-columns: 1fr;
    }

    .projects-grid {
        grid-template-columns: 1fr;
    }

    .project-filters {
        gap: 8px;
    }

    .filter-btn {
        padding: 8px 16px;
        font-size: 10px;
        letter-spacing: 1.5px;
    }

    .concepts-grid {
        grid-template-columns: 1fr;
        grid-auto-rows: 260px;
    }

    .concept-large {
        grid-column: span 1;
    }

    .contact-grid {
        grid-template-columns: 1fr;
    }

    .form-tabs {
        flex-direction: column;
        border: none;
    }

    .form-tab {
        border: 1px solid var(--gray-200);
    }

    .form-tab:first-child {
        border-right: 1px solid var(--gray-200);
    }

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

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 36px;
    }

    .section {
        padding: 80px 0;
    }
}

@media (max-width: 480px) {
    .loader-logo-main {
        font-size: 32px;
        letter-spacing: 14px;
    }

    .loader-logo-sub {
        font-size: 11px;
        letter-spacing: 8px;
    }

    .logo-main {
        font-size: 18px;
        letter-spacing: 6px;
    }

    .logo-sub {
        font-size: 7px;
        letter-spacing: 4px;
    }

    .stat-number {
        font-size: 36px;
    }

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

    .btn {
        width: 100%;
        justify-content: center;
    }

    .about-features {
        grid-template-columns: 1fr;
    }
}

/* ---------- NAV SOCIALS (mobile sidebar) ---------- */
.nav-socials {
    display: none;
}

@media (max-width: 768px) {
    .nav-socials {
        display: flex;
        gap: 12px;
        margin-top: 32px;
        padding-top: 20px;
        border-top: 1px solid rgba(255,255,255,0.05);
        justify-content: center;
    }

    .nav-socials a {
        width: 32px;
        height: 32px;
        display: flex;
        align-items: center;
        justify-content: center;
        color: var(--gray-500);
        font-size: 16px;
        transition: var(--transition);
    }

    .nav-socials a:hover {
        color: var(--accent);
    }
}

/* ---------- PULSE ANIMATION ---------- */
@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(201, 169, 78, 0.5); }
    70% { box-shadow: 0 0 0 20px rgba(201, 169, 78, 0); }
    100% { box-shadow: 0 0 0 0 rgba(201, 169, 78, 0); }
}

@keyframes pulseWhite {
    0% { box-shadow: 0 0 0 0 rgba(255, 255, 255, 0.3); }
    70% { box-shadow: 0 0 0 20px rgba(255, 255, 255, 0); }
    100% { box-shadow: 0 0 0 0 rgba(255, 255, 255, 0); }
}

.cta .btn-light {
    animation: pulse 2s ease-in-out infinite;
}

.hero-buttons .btn-primary {
    animation: pulse 2.5s ease-in-out infinite;
}

/* ---------- ANIMATIONS ---------- */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* Mobile nav overlay */
.nav-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.6);
    z-index: 999;
}

.nav-overlay.active {
    display: block;
}