/* =====================================
   MODERN CONSTRUCTION WEBSITE CSS
   Inspired by Konstruktion Design System
   ===================================== */

/* CSS Reset & Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Colors */
    --color-primary: #000000;
    --color-secondary: #666666;
    --color-accent: #f0f0f0;
    --color-white: #ffffff;
    --color-light-gray: #f8f8f8;
    --color-medium-gray: #e5e5e5;
    --color-dark-gray: #333333;
    
    /* Typography */
    --font-primary: 'Inter', sans-serif;
    --font-weight-light: 300;
    --font-weight-regular: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --font-weight-extrabold: 800;
    
    /* Spacing */
    --section-padding: 120px;
    --container-padding: 40px;
    --container-max-width: 1400px;
    
    /* Transitions */
    --transition-fast: 0.3s ease;
    --transition-smooth: 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

body {
    font-family: var(--font-primary);
    line-height: 1.6;
    color: var(--color-primary);
    background: var(--color-white);
    overflow-x: hidden;
}

/* Görseller için güvenli nesne sığdırma */
.img-cover {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    display: block;
}

.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

/* =====================================
   TYPOGRAPHY
   ===================================== */

h1, h2, h3, h4, h5, h6 {
    font-weight: var(--font-weight-bold);
    line-height: 1.2;
    margin: 0;
}

h1 {
    font-size: clamp(3rem, 8vw, 8rem);
    font-weight: var(--font-weight-extrabold);
}

h2 {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: var(--font-weight-bold);
}

h3 {
    font-size: clamp(1.5rem, 3vw, 2.5rem);
    font-weight: var(--font-weight-semibold);
}

p {
    font-size: 1.1rem;
    line-height: 1.7;
    color: var(--color-secondary);
}

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

.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    transition: var(--transition-fast);
}

.navbar {
    padding: 0;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px var(--container-padding);
    max-width: var(--container-max-width);
    margin: 0 auto;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.brand-logo {
    height: 40px;
    width: auto;
}

.brand-text {
    font-size: 1.5rem;
    font-weight: var(--font-weight-extrabold);
    color: var(--color-primary);
    letter-spacing: -0.02em;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 40px;
    margin: 0;
    padding: 0;
}

.nav-link {
    color: var(--color-primary);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: var(--font-weight-medium);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    position: relative;
    transition: var(--transition-fast);
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--color-primary);
    transition: var(--transition-fast);
}

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

.nav-actions {
    display: flex;
    align-items: center;
    gap: 20px;
}

.search-btn {
    background: none;
    border: none;
    font-size: 1.1rem;
    color: var(--color-primary);
    cursor: pointer;
    transition: var(--transition-fast);
}

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

.cta-btn {
    background: var(--color-primary);
    color: var(--color-white);
    padding: 12px 24px;
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: var(--font-weight-medium);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: var(--transition-fast);
    border: none;
    cursor: pointer;
}

.cta-btn:hover {
    background: var(--color-secondary);
}

.mobile-menu {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.mobile-menu span {
    width: 25px;
    height: 2px;
    background: var(--color-primary);
    transition: var(--transition-fast);
}

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

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

.hero-bg {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    z-index: 1;
    overflow: hidden;
}
.hero-video {
    position: absolute;
    top: 0; left: 0;
    width: 100vw;
    height: 100vh;
    min-width: 100%;
    min-height: 100%;
    object-fit: cover;
    z-index: 1;
    pointer-events: none;
    background: #222;
}
@media (max-width: 900px) {
    .hero-video {
        width: 100vw;
        height: 60vh;
        min-height: 320px;
    }
}

.hero-image {
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.4) 0%, rgba(0, 0, 0, 0.2) 100%);
    z-index: 2;
}

.hero-content {
    position: relative;
    z-index: 3;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
}

.hero-content .container {
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: center;
    gap: 60px;
    width: 100%;
}

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

.hero-title {
    color: var(--color-white);
    margin-bottom: 60px;
    display: flex;
    flex-direction: column;
    gap: -10px;
}

.title-line {
    display: block;
    line-height: 1.2;
}

.title-line.accent {
    color: rgba(255, 255, 255, 0.6);
}

/* Hero description text for image background */
.hero-text p {
    color: rgba(255,255,255,0.9);
    max-width: 700px;
}

.hero-actions {
    margin-top: 40px;
}

.btn-hero {
    background: var(--color-white);
    color: var(--color-primary);
    padding: 16px 32px;
    text-decoration: none;
    font-size: 1rem;
    font-weight: var(--font-weight-medium);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: var(--transition-fast);
    display: inline-block;
}

.btn-hero:hover {
    background: var(--color-accent);
}

.hero-contact {
    justify-self: end;
    align-self: end;
    margin-bottom: 60px;
}

.contact-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    padding: 40px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    min-width: 280px;
}

.contact-card h3 {
    color: var(--color-white);
    margin-bottom: 20px;
    font-size: 1.8rem;
    line-height: 1.2;
}

.contact-link {
    color: var(--color-white);
    text-decoration: underline;
    font-weight: var(--font-weight-medium);
    transition: var(--transition-fast);
}

.contact-link:hover {
    color: rgba(255, 255, 255, 0.7);
}

/* =====================================
   HERO HIGHLIGHTS
   ===================================== */

.hero-highlights {
    background: #fafafc;
    padding: 38px 0 24px 0;
}
.highlights-grid {
    display: flex;
    justify-content: center;
    align-items: stretch;
    gap: 40px;
    max-width: 1100px;
    margin: 0 auto;
}
.highlight-item {
    flex: 1 1 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    background: #fff;
    border-radius: 18px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.06);
    padding: 32px 18px 24px 18px;
    text-align: center;
    gap: 18px;
    font-size: 1.08rem;
    color: #222;
    font-weight: 500;
    transition: box-shadow 0.18s, transform 0.18s;
}
.highlight-item i {
    font-size: 2.1rem;
    color: var(--accent-blue);
    margin-bottom: 0;
}
.highlight-item:hover {
    box-shadow: 0 8px 32px rgba(0,116,228,0.08);
    transform: translateY(-4px) scale(1.03);
}
@media (max-width: 900px) {
    .highlights-grid {
        flex-direction: column;
        gap: 24px;
    }
    .highlight-item {
        padding: 22px 10px 16px 10px;
        font-size: 1rem;
    }
}

/* =====================================
   SECTION STYLES
   ===================================== */

section {
    padding: var(--section-padding) 0;
}

.section-label {
    font-size: 0.9rem;
    font-weight: var(--font-weight-medium);
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-secondary);
    margin-bottom: 20px;
}

.section-header {
    margin-bottom: 80px;
}

.section-header h2 {
    max-width: 800px;
    margin-bottom: 40px;
}

.view-all-link {
    color: var(--color-primary);
    text-decoration: underline;
    font-weight: var(--font-weight-medium);
    transition: var(--transition-fast);
}

.view-all-link:hover {
    color: var(--color-secondary);
}

/* Koyu zeminli alanlar için beyaz metin yardımcı sınıflar */
.section-label.light { color: #fff; }
.text-white { color: #fff !important; }

/* =====================================
   VALUES SECTION (Hero altı)
   ===================================== */
.values-section {
    background: #fff;
}
.values-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 80px;
    align-items: center;
}
.values-content h2 { margin: 10px 0 24px 0; }
.values-content p { margin-bottom: 28px; max-width: 720px; }

.progress-list { display: flex; flex-direction: column; gap: 22px; }
.progress-item { width: 100%; }
.progress-header { display: flex; justify-content: space-between; font-weight: 600; color: #111; margin-bottom: 6px; }
.progress-track { position: relative; height: 8px; background: #e0e0e0; border-radius: 6px; overflow: hidden; }
.progress-fill { display: block; position: absolute; top: 0; left: 0; height: 100%; width: var(--value); background: #d3a748; }

.values-visual { position: relative; }
.values-visual::before,
.values-visual::after {
    content: '';
    position: absolute;
    left: 40px; right: -40px; height: 40px; background: rgba(0,0,0,0.08);
    filter: blur(12px);
    z-index: 0;
}
.values-visual::before { top: -28px; }
.values-visual::after { bottom: -28px; }
.values-photo {
    position: relative;
    width: 100%;
    padding-top: 66%;
    background-size: cover;
    background-position: center;
    border-radius: 8px;
    box-shadow: 0 12px 30px rgba(0,0,0,0.15);
    z-index: 1;
}

@media (max-width: 1024px) {
    .values-grid { grid-template-columns: 1fr; gap: 40px; }
}

/* =====================================
   MISSION SECTION
   ===================================== */

.mission-section {
    background: var(--color-light-gray);
}

.mission-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 120px;
    align-items: start;
}

.mission-content h2 {
    margin-top: 20px;
}

.mission-details {
    display: flex;
    flex-direction: column;
    gap: 60px;
}

.mission-item h3 {
    font-size: 1.1rem;
    font-weight: var(--font-weight-semibold);
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.mission-item h4 {
    font-size: 1.8rem;
    font-weight: var(--font-weight-bold);
    line-height: 1.3;
    color: var(--color-primary);
}

/* =====================================
   PROJECTS SECTION
   ===================================== */

.projects-preview {
    background: var(--color-white);
}

.projects-showcase {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    grid-template-rows: 1fr 1fr;
    gap: 20px;
    height: 700px;
}

.project-card {
    position: relative;
    overflow: hidden;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.project-card.large {
    grid-row: 1 / 3;
}

.project-image {
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    transition: var(--transition-smooth);
}

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8) 0%, rgba(0, 0, 0, 0) 50%);
    display: flex;
    align-items: flex-end;
    padding: 40px;
    opacity: 0;
    transition: var(--transition-smooth);
}

.project-card:hover .project-overlay {
    opacity: 1;
}

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

.project-info {
    color: var(--color-white);
}

.project-category {
    font-size: 0.8rem;
    font-weight: var(--font-weight-medium);
    text-transform: uppercase;
    letter-spacing: 1px;
    opacity: 0.8;
    margin-bottom: 10px;
    display: block;
}

.project-info h3 {
    font-size: 1.5rem;
    margin-bottom: 20px;
}

.project-link {
    color: var(--color-white);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: var(--font-weight-medium);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    position: relative;
    padding-bottom: 2px;
}

.project-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background: var(--color-white);
    transform: scaleX(0);
    transition: var(--transition-fast);
    transform-origin: left;
}

.project-link:hover::after {
    transform: scaleX(1);
}

/* =====================================
   SECTORS SECTION
   ===================================== */

.sectors-section {
    background: var(--color-light-gray);
}

.sectors-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 60px;
}

.sector-card {
    background: var(--color-white);
    padding: 60px 40px;
    transition: var(--transition-smooth);
}

.sector-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
}

.sector-header {
    margin-bottom: 30px;
}

.sector-header h3 {
    font-size: 1.8rem;
    margin-bottom: 20px;
}

.sector-card p {
    margin-bottom: 40px;
    font-size: 1rem;
    line-height: 1.6;
}

.sector-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.tag {
    background: var(--color-accent);
    color: var(--color-secondary);
    padding: 8px 16px;
    font-size: 0.8rem;
    font-weight: var(--font-weight-medium);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* =====================================
   INNOVATION SECTION
   ===================================== */

.innovation-section {
    background: var(--color-white);
    position: relative;
    overflow: hidden;
}

.innovation-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 120px;
    align-items: center;
    position: relative;
    z-index: 2;
}

.innovation-text h2 {
    margin: 20px 0 60px 0;
}

.innovation-features {
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.feature-item {
    border-left: 3px solid var(--color-primary);
    padding-left: 30px;
}

.feature-label {
    font-size: 1.5rem;
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
}

.innovation-stats {
    display: flex;
    flex-direction: column;
    gap: 60px;
}

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

.stat-number {
    font-size: 4rem;
    font-weight: var(--font-weight-extrabold);
    color: var(--color-primary);
    line-height: 1;
    margin-bottom: 10px;
    display: block;
}

.stat-number span {
    font-size: 2rem;
}

.stat-label {
    font-size: 1rem;
    color: var(--color-secondary);
    font-weight: var(--font-weight-medium);
}

.innovation-visual {
    position: absolute;
    right: -200px;
    top: 50%;
    transform: translateY(-50%);
    width: 600px;
    height: 600px;
    z-index: 1;
}

.visual-bg {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-medium-gray) 100%);
    border-radius: 50%;
    opacity: 0.3;
}

.visual-pattern {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80%;
    height: 80%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="%23666" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.2;
}

/* =====================================
   SERVICES SECTION
   ===================================== */

.services-section {
    background: var(--color-light-gray);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 60px;
}

.service-item {
    text-align: left;
}

.service-number {
    font-size: 1rem;
    font-weight: var(--font-weight-medium);
    color: var(--color-secondary);
    margin-bottom: 20px;
    display: block;
}

.service-item h3 {
    font-size: 1.5rem;
    font-weight: var(--font-weight-bold);
    line-height: 1.3;
}

/* =====================================
   LEADERSHIP SECTION
   ===================================== */

.leadership-section {
    background: var(--color-white);
}

.leadership-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 120px;
    align-items: start;
}

.leadership-text h2 {
    margin-bottom: 40px;
}

.leadership-text .section-label {
    margin-bottom: 40px;
}

.learn-more-link {
    color: var(--color-primary);
    text-decoration: underline;
    font-weight: var(--font-weight-medium);
    transition: var(--transition-fast);
}

.learn-more-link:hover {
    color: var(--color-secondary);
}

.leadership-cards {
    display: flex;
    flex-direction: column;
    gap: 60px;
}

.leader-card {
    background: var(--color-light-gray);
    padding: 40px;
}

.leader-card h3 {
    font-size: 1.5rem;
    margin-bottom: 10px;
}

.leader-title {
    font-size: 1rem;
    color: var(--color-secondary);
    font-weight: var(--font-weight-medium);
    margin-bottom: 20px;
}

.leader-card blockquote {
    font-style: italic;
    font-size: 1.1rem;
    line-height: 1.6;
    color: var(--color-primary);
}

/* =====================================
   CTA SECTION
   ===================================== */

.cta-section {
    background: var(--color-primary);
    color: var(--color-white);
    text-align: center;
}

.cta-content h2 {
    color: var(--color-white);
    margin-bottom: 60px;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
}

.btn-cta {
    padding: 16px 32px;
    text-decoration: none;
    font-size: 1rem;
    font-weight: var(--font-weight-medium);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: var(--transition-fast);
    display: inline-block;
    min-width: 250px;
}

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

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

.btn-cta.secondary {
    background: transparent;
    color: var(--color-white);
    border: 1px solid var(--color-white);
}

.btn-cta.secondary:hover {
    background: var(--color-white);
    color: var(--color-primary);
}

/* =====================================
   SERVICES HERO (arka planlı kartlar)
   ===================================== */
.services-hero {
    position: relative;
    padding: var(--section-padding) 0;
    color: #fff;
    overflow: hidden;
}
.services-hero .services-bg {
    position: absolute; inset: 0; background-size: cover; background-position: center; z-index: 1;
    transform: scale(1.03);
}
.services-hero::after {
    content: '';
    position: absolute; inset: 0;
    background: rgba(0,0,0,0.45);
    z-index: 2;
}
.services-hero .container { position: relative; z-index: 3; }
.services-hero-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 60px; align-items: start; }
.services-hero-text h2 { color: #fff; margin: 10px 0 18px 0; }
.services-hero-text p { color: rgba(255,255,255,0.9); margin-bottom: 22px; max-width: 560px; }
.btn-gold { background: #d3a748; color: #222; padding: 14px 26px; border-radius: 8px; text-decoration: none; font-weight: 600; display: inline-block; }
.btn-gold:hover { filter: brightness(0.95); }

.services-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.service-card { background: #fff; color: #222; padding: 28px; border-radius: 12px; box-shadow: 0 10px 30px rgba(0,0,0,0.12); }
.service-card h3 { font-size: 1.25rem; margin: 10px 0 10px 0; }
.service-card p { color: #555; margin: 0; }
.service-icon { width: 40px; height: 40px; display: grid; place-items: center; border-radius: 8px; background: rgba(211,167,72,0.12); color: #d3a748; font-size: 1.25rem; }

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

/* =====================================
   ONGOING PROJECTS (Devam Eden Projeler)
   ===================================== */
.ongoing-projects { background: #fff; }
.ongoing-header { margin-bottom: 30px; }
.ongoing-label { font-size: 0.9rem; letter-spacing: .1em; text-transform: uppercase; color: #888; margin-bottom: 8px; position: relative; padding-top: 16px; }
.ongoing-label::before { content: ''; position: absolute; top: 0; left: 0; width: 60px; height: 4px; background: #d3a748; border-radius: 2px; }
.ongoing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.ongoing-card { position: relative; height: 420px; border-radius: 6px; overflow: hidden; }
.ongoing-card .ongoing-img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: center; }
.ongoing-card::after { content: ''; position: absolute; inset: 0; background: linear-gradient(to top, rgba(0,0,0,.72) 0%, rgba(0,0,0,.42) 55%, rgba(0,0,0,0) 100%); }
.ongoing-info { position: absolute; left: 24px; right: 24px; bottom: 24px; color: #fff; z-index: 1; }
.ongoing-info h3 { font-size: 1.5rem; margin-bottom: 8px; }
.ongoing-info h3, .ongoing-info .location { text-shadow: 0 2px 8px rgba(0,0,0,0.8); }
.ongoing-info .location { color: rgba(255,255,255,0.95); margin-bottom: 14px; }
.btn-ongoing { display: inline-block; padding: 10px 18px; border: 1px solid rgba(255,255,255,.8); color: #fff; text-decoration: none; border-radius: 6px; backdrop-filter: blur(2px); }
.btn-ongoing:hover { background: rgba(255,255,255,.15); }
.ongoing-view-all { text-align: center; margin-top: 26px; }
.btn-ongoing-outline { display: inline-block; background: #d3a748; color: #fff; padding: 14px 26px; border-radius: 8px; text-decoration: none; font-weight: 600; }
.btn-ongoing-outline:hover { filter: brightness(0.95); }

@media (max-width: 1100px) { .ongoing-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 700px) { .ongoing-grid { grid-template-columns: 1fr; } .ongoing-card { height: 300px; } }

/* Upcoming projects reuse ongoing styles */
.upcoming-projects { background: #fff; }

/* =====================================
   UPCOMING PROJECT SECTION
   ===================================== */
.upcoming-section { background: #fff; padding: var(--section-padding) 0; }
.upcoming-header { text-align: center; margin-bottom: 30px; }
.upcoming-header h2 { margin-bottom: 8px; }
.upcoming-header .project-sub { color: #d3a748; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; margin-bottom: 10px; }
.upcoming-header .project-desc { max-width: 860px; margin: 0 auto; color: #555; }
.upcoming-grid { display: grid; grid-template-columns: 2fr 1fr; gap: 28px; margin-top: 26px; align-items: stretch; }
.upcoming-card { width: 100%; height: 400px; border-radius: 12px; background-size: cover; background-position: center; box-shadow: 0 10px 28px rgba(0,0,0,.12); }
.upcoming-main { width: 100%; height: 400px; overflow: hidden; border-radius: 12px; box-shadow: 0 10px 28px rgba(0,0,0,.12); }
.upcoming-side { display: grid; grid-template-rows: 1fr 1fr; gap: 28px; height: 400px; }
.upcoming-side img { width: 100%; height: 100%; border-radius: 10px; box-shadow: 0 10px 28px rgba(0,0,0,.12); }
.upcoming-cta { text-align: center; margin-top: 26px; }

@media (max-width: 1024px) {
    .upcoming-grid { grid-template-columns: 1fr; }
    .upcoming-main { height: 320px; }
    .upcoming-card { height: 320px; }
    .upcoming-side { grid-template-rows: 1fr 1fr; height: 320px; }
}

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

.footer {
    background: var(--color-light-gray);
    padding: 80px 0 40px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 120px;
    margin-bottom: 60px;
}

.footer-main {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 80px;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 40px;
}

.footer-logo {
    height: 40px;
    width: auto;
}

.footer-brand-text {
    font-size: 1.5rem;
    font-weight: var(--font-weight-extrabold);
    color: var(--color-primary);
    letter-spacing: -0.02em;
}

.footer-offices {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

.office h4 {
    font-size: 1.2rem;
    font-weight: var(--font-weight-bold);
    margin-bottom: 15px;
}

.office address {
    font-style: normal;
    color: var(--color-secondary);
    margin-bottom: 15px;
    line-height: 1.6;
}

.office p {
    color: var(--color-secondary);
    font-size: 1rem;
    line-height: 1.6;
}

.footer-links {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
}

.link-group {
    display: flex;
    flex-direction: column;
    gap: 20px;
    text-align: right;
}

.link-group a {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: var(--font-weight-medium);
    transition: var(--transition-fast);
}

.link-group a:hover {
    color: var(--color-secondary);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 40px;
    border-top: 1px solid var(--color-medium-gray);
}

.footer-bottom p {
    color: var(--color-secondary);
    font-size: 0.9rem;
}

.social-links {
    display: flex;
    gap: 20px;
}

.social-links a {
    color: var(--color-secondary);
    font-size: 1.2rem;
    transition: var(--transition-fast);
}

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

/* Footer dark variant (3 columns like reference design) */
.footer-dark { background: #1f1f1f; color: #eaeaea; }
.footer-dark .footer-bottom { border-top-color: rgba(255,255,255,.12); }
.footer-dark .footer-brand-text { color: #fff; }
.footer-dark .footer-content { display: grid; grid-template-columns: 1.4fr 1fr 1.2fr; gap: 60px; }
.footer-dark .footer-desc { color: #cfcfcf; margin-top: 12px; max-width: 520px; line-height: 1.8; }
.footer-dark .footer-social { display: flex; gap: 16px; margin-top: 22px; }
.footer-dark .footer-social a { width: 44px; height: 44px; border-radius: 10px; display: grid; place-items: center; border: 1px solid rgba(255,255,255,.18); color: #fff; opacity: .9; }
.footer-dark .footer-social a:hover { background: rgba(255,255,255,.08); }
.footer-dark .footer-quick h4, .footer-dark .footer-gallery h4 { color: #fff; margin-bottom: 18px; font-size: 1.1rem; }
.footer-dark .quick-menu { list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; }
.footer-dark .quick-menu a { color: #dcdcdc; text-decoration: none; }
.footer-dark .quick-menu a:hover { color: #ffffff; }
.footer-dark .gallery-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.footer-dark .gallery-grid img { width: 100%; aspect-ratio: 1/1; object-fit: cover; border-radius: 8px; filter: brightness(.95); }
.footer-dark .gallery-grid a:hover img { filter: brightness(1); }

@media (max-width: 900px) {
  .footer-dark .footer-content { grid-template-columns: 1fr; gap: 30px; }
  .footer-bottom { flex-direction: column; gap: 16px; text-align: center; }
}

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

@media (max-width: 1200px) {
    :root {
        --container-padding: 30px;
        --section-padding: 80px;
    }
    
    .mission-grid,
    .innovation-content,
    .leadership-content {
        gap: 80px;
    }
}

@media (max-width: 768px) {
    :root {
        --container-padding: 20px;
        --section-padding: 60px;
    }
    
    .nav-menu {
        display: none;
    }
    
    .nav-actions .cta-btn {
        display: none;
    }
    
    .mobile-menu {
        display: flex;
    }
    
    .hero-content .container {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .hero-contact {
        justify-self: center;
        margin-bottom: 0;
    }
    
    .mission-grid,
    .innovation-content,
    .leadership-content,
    .footer-content,
    .footer-main {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .projects-showcase {
        grid-template-columns: 1fr;
        grid-template-rows: repeat(4, 300px);
        height: auto;
    }
    
    .project-card.large {
        grid-row: auto;
    }
    
    .sectors-grid,
    .services-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .innovation-visual {
        display: none;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .footer-offices {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: clamp(2rem, 12vw, 4rem);
    }
    
    .contact-card {
        padding: 30px 20px;
        min-width: auto;
    }
    
    .sector-card {
        padding: 40px 20px;
    }
    
    .leader-card {
        padding: 30px 20px;
    }
} 

@media (max-width: 900px) {
    .hero-mega,
    .contact-hero,
    .about-hero-modern {
        padding-top: 110px !important;
    }
    .nav-menu {
        display: none;
        position: absolute;
        top: 70px;
        left: 0;
        width: 100vw;
        background: #fff;
        flex-direction: column;
        box-shadow: 0 8px 32px rgba(0,0,0,0.08);
        z-index: 100;
        padding: 24px 0 18px 0;
        border-radius: 0 0 18px 18px;
    }
    .nav-menu.open {
        display: flex;
    }
    .mobile-menu.active span {
        background: var(--accent-blue);
    }
} 

.projects-showcase-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    margin-top: 40px;
}
.project-card {
    background: #fff;
    border-radius: 18px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.06);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: box-shadow 0.18s, transform 0.18s;
}
.project-card:hover {
    box-shadow: 0 8px 32px rgba(0,116,228,0.08);
    transform: translateY(-4px) scale(1.03);
}
.project-image {
    width: 100%;
    height: 320px;
    background-size: cover;
    background-position: center;
    border-radius: 18px 18px 0 0;
}
.project-info {
    padding: 28px 22px 22px 22px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.project-category {
    font-size: 0.98rem;
    color: var(--accent-blue);
    font-weight: 600;
    margin-bottom: 4px;
}
.project-card h3 {
    font-size: 1.18rem;
    font-weight: 700;
    color: var(--color-primary);
    margin: 0 0 6px 0;
}
.project-info p {
    font-size: 1.01rem;
    color: #444;
    margin: 0 0 10px 0;
}
.project-link {
    align-self: flex-start;
    background: var(--accent-blue);
    color: #fff;
    padding: 8px 22px;
    border-radius: 8px;
    font-size: 0.98rem;
    font-weight: 600;
    text-decoration: none;
    transition: background 0.18s;
}
.project-link:hover {
    background: var(--accent-blue-dark);
}
@media (max-width: 1100px) {
    .projects-showcase-grid {
        grid-template-columns: 1fr 1fr;
    }
}
@media (max-width: 700px) {
    .projects-showcase-grid {
        grid-template-columns: 1fr;
    }
    .project-image {
        height: 180px;
    }
} 

.projects-showcase .project-link {
    color: var(--color-white);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: var(--font-weight-medium);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    position: relative;
    padding-bottom: 2px;
}
.projects-showcase .project-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background: var(--color-white);
    transform: scaleX(0);
    transition: var(--transition-fast);
    transform-origin: left;
}
.projects-showcase .project-link:hover::after {
    transform: scaleX(1);
}