/* ============================================
   T.K RÉNOVATION V2 — 2026 DESIGN
   ============================================ */

:root {
    --primary: #077d92;
    --primary-dark: #055d6e;
    --primary-light: #0a9db8;
    --accent: #c8a45c;
    --dark: #111111;
    --charcoal: #1a1a1a;
    --gray-900: #222222;
    --gray-700: #555555;
    --gray-400: #999999;
    --gray-200: #e5e5e5;
    --gray-100: #f2f2f2;
    --white: #ffffff;
    --off-white: #f8f7f4;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-serif: 'Playfair Display', Georgia, serif;
    --nav-h: 80px;
    --radius: 16px;
    --radius-sm: 8px;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--nav-h);
}

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

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }

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

/* ============================================
   ANIMATIONS
   ============================================ */

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

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

@keyframes slideDown {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes scrollLine {
    0% { transform: scaleY(0); transform-origin: top; }
    50% { transform: scaleY(1); transform-origin: top; }
    50.1% { transform: scaleY(1); transform-origin: bottom; }
    100% { transform: scaleY(0); transform-origin: bottom; }
}

.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ============================================
   NAVBAR
   ============================================ */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--nav-h);
    z-index: 1000;
    transition: background var(--transition), box-shadow var(--transition), backdrop-filter var(--transition);
}

.navbar.scrolled {
    background: rgba(255,255,255,0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 1px 0 rgba(0,0,0,0.06);
}

.nav-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo img {
    height: 44px;
    width: auto;
    transition: filter var(--transition);
}

.navbar:not(.scrolled) .nav-logo img {
    filter: brightness(0) invert(1);
}

.nav-links {
    display: flex;
    gap: 32px;
}

.nav-links a {
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 0.01em;
    color: rgba(255,255,255,0.85);
    transition: color var(--transition);
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: width var(--transition);
}

.nav-links a:hover::after { width: 100%; }

.navbar.scrolled .nav-links a { color: var(--charcoal); }
.navbar.scrolled .nav-links a:hover { color: var(--primary); }

.nav-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

.lang-switch {
    background: rgba(255,255,255,0.15);
    border: 1px solid rgba(255,255,255,0.3);
    color: white;
    padding: 6px 14px;
    border-radius: 100px;
    font-size: 0.8rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition);
    letter-spacing: 0.05em;
}

.navbar.scrolled .lang-switch {
    background: var(--gray-100);
    border-color: var(--gray-200);
    color: var(--charcoal);
}

.lang-switch:hover {
    background: rgba(255,255,255,0.25);
}

.navbar.scrolled .lang-switch:hover {
    background: var(--gray-200);
}

.nav-cta {
    background: var(--primary);
    color: white;
    padding: 10px 24px;
    border-radius: 100px;
    font-size: 0.85rem;
    font-weight: 600;
    transition: all var(--transition);
}

.nav-cta:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.hamburger span {
    width: 24px;
    height: 2px;
    background: white;
    transition: all var(--transition);
    border-radius: 2px;
}

.navbar.scrolled .hamburger span { background: var(--charcoal); }

.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); }

/* MOBILE MENU */
.mobile-menu {
    display: none;
    position: fixed;
    top: var(--nav-h);
    left: 0;
    right: 0;
    background: white;
    padding: 24px;
    flex-direction: column;
    gap: 4px;
    z-index: 999;
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
    animation: slideDown 0.3s ease;
}

.mobile-menu.open { display: flex; }

.mobile-menu a {
    padding: 14px 16px;
    font-size: 1rem;
    font-weight: 500;
    border-radius: var(--radius-sm);
    transition: background var(--transition);
}

.mobile-menu a:hover { background: var(--gray-100); }

.mobile-cta {
    background: var(--primary) !important;
    color: white !important;
    text-align: center;
    border-radius: 100px !important;
    margin-top: 12px;
    padding: 14px 24px !important;
}

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

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 24px 80px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: url('https://images.unsplash.com/photo-1600210492486-724fe5c67fb0?w=1600&q=80') center/cover no-repeat;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(7,125,146,0.85) 0%, rgba(17,17,17,0.75) 100%);
}

.hero-content {
    position: relative;
    max-width: 720px;
    margin: 0 auto 0 calc((100vw - 1200px) / 2 + 24px);
    animation: fadeUp 1s ease 0.2s both;
}

@media (max-width: 1248px) {
    .hero-content { margin: 0; padding: 0 24px; }
}

.hero-tag {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: rgba(255,255,255,0.7);
    margin-bottom: 20px;
    padding: 8px 16px;
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: 100px;
}

.hero-title {
    font-family: var(--font-serif);
    font-size: clamp(2.8rem, 6vw, 5rem);
    font-weight: 700;
    color: white;
    line-height: 1.1;
    margin-bottom: 24px;
}

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

.hero-sub {
    font-size: 1.1rem;
    color: rgba(255,255,255,0.8);
    line-height: 1.7;
    max-width: 540px;
    margin-bottom: 40px;
}

.hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 60px;
}

.hero-stats {
    display: flex;
    gap: 48px;
    padding-top: 40px;
    border-top: 1px solid rgba(255,255,255,0.15);
}

.stat-num {
    display: block;
    font-family: var(--font-serif);
    font-size: 2rem;
    font-weight: 700;
    color: white;
}

.stat-label {
    font-size: 0.85rem;
    color: rgba(255,255,255,0.6);
}

.hero-scroll {
    position: absolute;
    bottom: 40px;
    right: 60px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    color: rgba(255,255,255,0.5);
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.scroll-line {
    width: 1px;
    height: 60px;
    background: rgba(255,255,255,0.3);
    animation: scrollLine 2s ease infinite;
}

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

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 32px;
    border-radius: 100px;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition);
    border: none;
    letter-spacing: 0.01em;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(7,125,146,0.3);
}

.btn-outline {
    background: transparent;
    color: white;
    border: 1.5px solid rgba(255,255,255,0.4);
}

.btn-outline:hover {
    background: rgba(255,255,255,0.1);
    border-color: rgba(255,255,255,0.7);
}

.btn-secondary {
    background: var(--gray-100);
    color: var(--charcoal);
}

.btn-secondary:hover {
    background: var(--gray-200);
    transform: translateY(-2px);
}

.btn-full { width: 100%; }

/* ============================================
   SECTIONS
   ============================================ */

.section {
    padding: 120px 0;
}

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

.section-alt {
    background: var(--off-white);
}

.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-tag {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--primary);
    margin-bottom: 16px;
}

.tag-light { color: var(--primary-light); }

.section-title {
    font-family: var(--font-serif);
    font-size: clamp(2rem, 4vw, 2.8rem);
    font-weight: 700;
    line-height: 1.2;
}

.title-light { color: white; }

.section-cta {
    text-align: center;
    margin-top: 56px;
}

/* ============================================
   BENTO GRID — SERVICES
   ============================================ */

.bento-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.bento-card {
    position: relative;
    border-radius: var(--radius);
    overflow: hidden;
    min-height: 300px;
    cursor: pointer;
    group: true;
}

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

.bento-img {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    transition: transform 0.6s ease;
}

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

.bento-card::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.7) 0%, rgba(0,0,0,0.1) 50%, rgba(0,0,0,0) 100%);
    transition: background var(--transition);
}

.bento-card:hover::after {
    background: linear-gradient(to top, rgba(7,125,146,0.85) 0%, rgba(7,125,146,0.3) 50%, rgba(0,0,0,0) 100%);
}

.bento-content {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 28px;
    z-index: 1;
    color: white;
}

.bento-content h3 {
    font-family: var(--font-serif);
    font-size: 1.4rem;
    margin-bottom: 6px;
}

.bento-content p {
    font-size: 0.9rem;
    opacity: 0;
    transform: translateY(10px);
    transition: all 0.4s ease;
    color: rgba(255,255,255,0.9);
}

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

/* ============================================
   PROCESS
   ============================================ */

.process-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
}

.process-step {
    position: relative;
}

.step-num {
    font-family: var(--font-serif);
    font-size: 3.5rem;
    font-weight: 700;
    color: rgba(255,255,255,0.08);
    line-height: 1;
    margin-bottom: 16px;
}

.process-step h3 {
    font-size: 1.15rem;
    font-weight: 600;
    margin-bottom: 12px;
    color: white;
}

.process-step p {
    font-size: 0.9rem;
    color: rgba(255,255,255,0.6);
    line-height: 1.6;
}

/* ============================================
   PROJECTS MASONRY
   ============================================ */

.project-filters {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.filter-btn {
    background: none;
    border: 1.5px solid var(--gray-200);
    padding: 8px 20px;
    border-radius: 100px;
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition);
    color: var(--gray-700);
}

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

.projects-masonry {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    grid-auto-rows: 250px;
}

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

.project-tall {
    grid-row: span 2;
}

.project-img {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    transition: transform 0.6s ease;
}

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

.project-card::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.6) 0%, transparent 60%);
    opacity: 0;
    transition: opacity var(--transition);
}

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

.project-info {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 24px;
    z-index: 1;
    color: white;
    opacity: 0;
    transform: translateY(10px);
    transition: all 0.4s ease;
}

.project-card:hover .project-info {
    opacity: 1;
    transform: translateY(0);
}

.project-cat {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--accent);
}

.project-info h3 {
    font-family: var(--font-serif);
    font-size: 1.15rem;
    margin-top: 4px;
}

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

/* ============================================
   ABOUT
   ============================================ */

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-images {
    position: relative;
}

.about-img-main {
    width: 100%;
    height: 500px;
    border-radius: var(--radius);
    background-size: cover;
    background-position: center;
}

.about-img-small {
    position: absolute;
    bottom: -40px;
    right: -40px;
    width: 200px;
    height: 240px;
    border-radius: var(--radius);
    background-size: cover;
    background-position: center;
    border: 6px solid var(--off-white);
}

.about-badge {
    position: absolute;
    top: 24px;
    left: 24px;
    background: var(--primary);
    color: white;
    padding: 16px 20px;
    border-radius: var(--radius-sm);
    text-align: center;
}

.badge-num {
    display: block;
    font-family: var(--font-serif);
    font-size: 1.8rem;
    font-weight: 700;
    line-height: 1;
}

.badge-text {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    opacity: 0.8;
}

.about-text .section-tag { text-align: left; }
.about-text .section-title {
    text-align: left;
    margin-bottom: 24px;
}

.about-desc {
    color: var(--gray-700);
    margin-bottom: 16px;
    line-height: 1.7;
}

.about-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-top: 32px;
}

.about-feat {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 500;
    font-size: 0.9rem;
}

.about-feat svg {
    color: var(--primary);
    flex-shrink: 0;
}

/* ============================================
   REVIEWS
   ============================================ */

.reviews-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.review-card {
    background: var(--off-white);
    border-radius: var(--radius);
    padding: 32px;
    transition: transform var(--transition), box-shadow var(--transition);
}

.review-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 16px 40px rgba(0,0,0,0.08);
}

.review-stars {
    color: var(--accent);
    font-size: 1.1rem;
    letter-spacing: 2px;
    margin-bottom: 16px;
}

.review-text {
    font-size: 0.95rem;
    color: var(--gray-700);
    line-height: 1.7;
    margin-bottom: 24px;
    font-style: italic;
}

.review-author {
    display: flex;
    align-items: center;
    gap: 12px;
}

.review-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--primary);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.85rem;
}

.review-author strong {
    display: block;
    font-size: 0.9rem;
}

.review-author span {
    font-size: 0.8rem;
    color: var(--gray-400);
}

/* ============================================
   CONTACT
   ============================================ */

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: start;
}

.contact-desc {
    color: rgba(255,255,255,0.7);
    margin-bottom: 40px;
    line-height: 1.7;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.contact-item {
    display: flex;
    gap: 16px;
    align-items: start;
}

.contact-item svg {
    color: var(--primary-light);
    flex-shrink: 0;
    margin-top: 2px;
}

.contact-item strong {
    display: block;
    margin-bottom: 2px;
    font-size: 0.85rem;
    color: rgba(255,255,255,0.5);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.contact-item a,
.contact-item span {
    color: white;
    font-size: 0.95rem;
}

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

.contact-form {
    background: white;
    border-radius: var(--radius);
    padding: 40px;
}

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

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

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 16px 18px;
    border: 1.5px solid var(--gray-200);
    border-radius: var(--radius-sm);
    font-family: var(--font-sans);
    font-size: 0.9rem;
    transition: border-color var(--transition);
    background: white;
    color: var(--charcoal);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary);
}

.form-group label {
    position: absolute;
    top: 16px;
    left: 18px;
    font-size: 0.9rem;
    color: var(--gray-400);
    pointer-events: none;
    transition: all var(--transition);
}

.form-group input:focus ~ label,
.form-group input:not(:placeholder-shown) ~ label,
.form-group textarea:focus ~ label,
.form-group textarea:not(:placeholder-shown) ~ label {
    top: -8px;
    left: 14px;
    font-size: 0.75rem;
    color: var(--primary);
    background: white;
    padding: 0 4px;
}

.form-group select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%23999' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
}

.contact-form .btn {
    margin-top: 4px;
}

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

.footer {
    background: var(--dark);
    color: white;
    padding: 80px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
    padding-bottom: 60px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer-logo {
    height: 36px;
    width: auto;
    margin-bottom: 16px;
    filter: brightness(0) invert(1);
}

.footer-brand p {
    color: rgba(255,255,255,0.5);
    font-size: 0.9rem;
    line-height: 1.6;
}

.footer-links h4 {
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 20px;
    color: rgba(255,255,255,0.4);
}

.footer-links a,
.footer-links span {
    display: block;
    font-size: 0.9rem;
    color: rgba(255,255,255,0.7);
    margin-bottom: 10px;
    transition: color var(--transition);
}

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

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px 0;
}

.footer-bottom p {
    font-size: 0.8rem;
    color: rgba(255,255,255,0.3);
}

.footer-bottom a {
    font-size: 0.8rem;
    color: rgba(255,255,255,0.3);
    transition: color var(--transition);
}

.footer-bottom a:hover { color: white; }

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

@media (max-width: 1024px) {
    .bento-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .bento-large { grid-column: span 2; }
    .process-grid { grid-template-columns: repeat(2, 1fr); gap: 32px; }
    .projects-masonry { grid-template-columns: repeat(2, 1fr); }
    .about-grid { gap: 48px; }
    .contact-grid { gap: 48px; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
    :root { --nav-h: 68px; }

    .nav-links { display: none; }
    .nav-cta { display: none; }
    .hamburger { display: flex; }

    .hero { padding: 100px 0 60px; }
    .hero-content { padding: 0 20px; }
    .hero-stats { gap: 24px; flex-wrap: wrap; }
    .hero-scroll { display: none; }
    .hero-actions { flex-direction: column; }
    .hero-actions .btn { text-align: center; }

    .section { padding: 80px 0; }
    .section-header { margin-bottom: 40px; }

    .bento-grid { grid-template-columns: 1fr; }
    .bento-large { grid-column: span 1; }
    .bento-card { min-height: 240px; }
    .bento-content p { opacity: 1; transform: none; }

    .process-grid { grid-template-columns: 1fr; gap: 40px; }

    .projects-masonry {
        grid-template-columns: 1fr;
        grid-auto-rows: 280px;
    }
    .project-tall { grid-row: span 1; }
    .project-info { opacity: 1; transform: none; }
    .project-card::after { opacity: 1; }

    .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .about-img-main { height: 350px; }
    .about-img-small { display: none; }
    .about-text .section-tag,
    .about-text .section-title { text-align: center; }

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

    .contact-grid { grid-template-columns: 1fr; gap: 40px; }
    .form-row { grid-template-columns: 1fr; }

    .footer-grid { grid-template-columns: 1fr; gap: 32px; }
}

@media (max-width: 480px) {
    .hero-title { font-size: 2.2rem; }
    .hero-sub { font-size: 1rem; }
    .stat-num { font-size: 1.6rem; }
    .contact-form { padding: 24px; }
}