/* ═══════════════════════════════════════════════
   TUKIM — Site CSS
   ═══════════════════════════════════════════════ */

/* ── Reset & Variables ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
    --nav-bg:      #ffffff;
    --nav-text:    #1f2937;
    --nav-accent:  #0f766e;
    --nav-h:       72px;

    --brand:       #0f766e;
    --brand-dark:  #115e59;
    --text:        #1e293b;
    --text-muted:  #64748b;
    --bg:          #ffffff;
    --bg-soft:     #f8fafc;
    --border:      #e2e8f0;
    --radius:      14px;
    --shadow-sm:   0 1px 3px rgba(0,0,0,.06), 0 2px 8px rgba(0,0,0,.04);
    --shadow-md:   0 4px 16px rgba(0,0,0,.08);
    --shadow-lg:   0 8px 32px rgba(0,0,0,.10);
}

html { scroll-behavior: smooth; font-size: 16px; }

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--text);
    background: var(--bg);
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
}

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

/* ── Skip Link ── */
.skip-link {
    position: absolute;
    left: -9999px;
    top: 6px;
    background: var(--brand);
    color: #fff;
    padding: 8px 14px;
    border-radius: 8px;
    z-index: 9999;
    font-weight: 600;
}
.skip-link:focus { left: 6px; }

/* ══════════════════════════════════════
   NAVBAR
══════════════════════════════════════ */
.navbar {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: var(--nav-bg);
    color: var(--nav-text);
    box-shadow: 0 1px 0 var(--border);
    transition: box-shadow .2s;
}
.navbar.scrolled {
    box-shadow: 0 2px 16px rgba(0,0,0,.10);
}

.navbar-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    height: var(--nav-h);
    display: flex;
    align-items: center;
    gap: 32px;
}

/* Logo */
.navbar-logo {
    font-size: 22px;
    font-weight: 800;
    letter-spacing: -.5px;
    color: var(--nav-text);
    flex-shrink: 0;
    transition: opacity .15s;
}
.navbar-logo:hover { opacity: .75; }

/* Nav links */
.navbar-nav { flex: 1; }
.navbar-nav ul {
    list-style: none;
    display: flex;
    align-items: center;
    gap: 4px;
}
.navbar-nav a {
    display: block;
    padding: 8px 14px;
    font-size: 15px;
    font-weight: 500;
    color: var(--nav-text);
    border-radius: 8px;
    transition: background .15s, color .15s;
}
.navbar-nav a:hover { background: rgba(0,0,0,.05); color: var(--nav-accent); }
.navbar-nav a.active { color: var(--nav-accent); font-weight: 700; }

/* Actions */
.navbar-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}

.navbar-phone {
    display: flex;
    align-items: center;
    gap: 7px;
    padding: 9px 16px;
    border-radius: 30px;
    background: var(--nav-accent);
    color: #fff;
    font-size: 14px;
    font-weight: 600;
    transition: opacity .15s, transform .15s;
}
.navbar-phone:hover { opacity: .88; transform: translateY(-1px); }
.navbar-phone svg { width: 16px; height: 16px; flex-shrink: 0; }
.navbar-phone span { white-space: nowrap; }

/* Hamburger */
.hamburger {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    width: 40px;
    height: 40px;
    border: none;
    background: transparent;
    cursor: pointer;
    border-radius: 8px;
    padding: 6px;
    transition: background .15s;
}
.hamburger:hover { background: rgba(0,0,0,.06); }
.hamburger span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--nav-text);
    border-radius: 2px;
    transition: transform .25s, opacity .25s;
    transform-origin: center;
}
.hamburger[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger[aria-expanded="true"] span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile menu panel */
.mobile-menu {
    display: none;
    background: var(--nav-bg);
    border-top: 1px solid var(--border);
    overflow: hidden;
    max-height: 0;
    transition: max-height .3s ease;
}
.mobile-menu.open {
    display: block;
    max-height: 500px;
}
.mobile-menu ul {
    list-style: none;
    padding: 12px 24px 20px;
    display: flex;
    flex-direction: column;
    gap: 2px;
}
.mobile-menu a {
    display: block;
    padding: 12px 16px;
    font-size: 16px;
    font-weight: 500;
    color: var(--nav-text);
    border-radius: 10px;
    transition: background .15s;
}
.mobile-menu a:hover,
.mobile-menu a.active { background: rgba(0,0,0,.05); color: var(--nav-accent); }
.mobile-menu .mobile-phone-link {
    color: var(--nav-accent);
    font-weight: 700;
    border: 2px solid var(--nav-accent);
    text-align: center;
    margin-top: 8px;
}

/* ══════════════════════════════════════
   HERO
══════════════════════════════════════ */
.hero-section {
    position: relative;
    min-height: calc(100vh - var(--nav-h));
    display: flex;
    align-items: center;
    color: #fff;
    overflow: hidden;
}
.hero-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    transform: scale(1.04);
    transition: transform 8s ease-out;
}
.hero-section.loaded .hero-bg { transform: scale(1); }
.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(15,23,42,.65) 0%, rgba(15,118,110,.35) 100%);
}
.hero-content {
    position: relative;
    z-index: 1;
    max-width: 1200px;
    margin: 0 auto;
    padding: 80px 24px;
    width: 100%;
}
.hero-content h2 {
    font-size: clamp(32px, 5vw, 58px);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -1px;
    max-width: 720px;
    margin-bottom: 20px;
}
.hero-content p {
    font-size: clamp(16px, 2vw, 19px);
    max-width: 620px;
    opacity: .9;
    line-height: 1.7;
    margin-bottom: 36px;
}
.hero-cta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--brand);
    color: #fff;
    padding: 14px 28px;
    border-radius: 30px;
    font-size: 16px;
    font-weight: 700;
    transition: background .2s, transform .2s;
    box-shadow: 0 4px 20px rgba(15,118,110,.35);
}
.hero-cta:hover { background: var(--brand-dark); transform: translateY(-2px); }

/* ══════════════════════════════════════
   SECTIONS COMMON
══════════════════════════════════════ */
.section {
    padding: 88px 0;
}
.section-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}
.section-title {
    font-size: clamp(26px, 3.5vw, 40px);
    font-weight: 800;
    line-height: 1.2;
    letter-spacing: -.5px;
    margin-bottom: 12px;
}
.section-title.center { text-align: center; }

/* ══════════════════════════════════════
   ABOUT
══════════════════════════════════════ */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
}
.about-image {
    border-radius: 20px;
    overflow: hidden;
    aspect-ratio: 4/3;
    box-shadow: var(--shadow-lg);
}
.about-image .bg-img {
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    transition: transform .5s ease;
}
.about-image:hover .bg-img { transform: scale(1.04); }
.about-body { display: flex; flex-direction: column; gap: 20px; }
.about-body p { color: var(--text-muted); font-size: 17px; line-height: 1.75; }
.about-body .btn { align-self: flex-start; }

/* ══════════════════════════════════════
   PRODUCTS
══════════════════════════════════════ */
.products-section { background: var(--bg-soft); }
.products-header {
    text-align: center;
    margin-bottom: 48px;
}
.products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}
.product-card {
    background: #fff;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border);
    transition: transform .2s, box-shadow .2s;
    display: flex;
    flex-direction: column;
}
.product-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}
.product-card-image {
    height: 220px;
    background-size: cover;
    background-position: center;
    flex-shrink: 0;
}
.product-card-body {
    padding: 24px;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.product-card-body h3 {
    font-size: 20px;
    font-weight: 700;
    line-height: 1.3;
}
.product-card-body p {
    color: var(--text-muted);
    font-size: 15px;
    flex: 1;
}
.product-card-body .btn { align-self: flex-start; margin-top: auto; }

/* ══════════════════════════════════════
   CTA BAND
══════════════════════════════════════ */
.cta-section {
    background: var(--brand);
    color: #fff;
    text-align: center;
    padding: 80px 0;
}
.cta-section .section-title { color: #fff; }
.cta-section p { color: rgba(255,255,255,.85); font-size: 18px; margin: 16px 0 36px; }
.cta-section .btn {
    background: #fff;
    color: var(--brand);
}
.cta-section .btn:hover { background: #f0fdf4; }

/* ══════════════════════════════════════
   BUTTON
══════════════════════════════════════ */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 22px;
    border-radius: 10px;
    font-size: 15px;
    font-weight: 700;
    background: var(--brand);
    color: #fff;
    transition: background .15s, transform .15s;
    cursor: pointer;
}
.btn:hover { background: var(--brand-dark); transform: translateY(-1px); }

/* ══════════════════════════════════════
   FOOTER
══════════════════════════════════════ */
.footer-section {
    background: #0f172a;
    color: #cbd5e1;
    padding: 64px 0 32px;
}
.footer-grid {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 48px;
    align-items: start;
    margin-bottom: 40px;
}
.footer-info h2 {
    font-size: 24px;
    font-weight: 800;
    color: #f8fafc;
    margin-bottom: 20px;
}
.footer-info ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.footer-info li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 15px;
}
.footer-info li svg {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    stroke: var(--brand);
    fill: none;
    margin-top: 2px;
}
.footer-info a { color: #cbd5e1; transition: color .15s; }
.footer-info a:hover { color: #fff; }

.footer-links {
    display: flex;
    gap: 16px;
    margin-top: 28px;
    flex-wrap: wrap;
}
.footer-links a {
    font-size: 13px;
    color: #94a3b8;
    border-bottom: 1px solid transparent;
    transition: color .15s, border-color .15s;
}
.footer-links a:hover { color: #fff; border-color: #fff; }

.footer-map iframe {
    width: 100%;
    min-height: 280px;
    border: 0;
    border-radius: 16px;
    display: block;
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,.08);
    padding-top: 24px;
    text-align: center;
    font-size: 13px;
    color: #475569;
}

/* ══════════════════════════════════════
   RESPONSIVE
══════════════════════════════════════ */
@media (max-width: 900px) {
    .navbar-nav { display: none; }
    .navbar-phone span { display: none; }
    .hamburger { display: flex; }

    .hero-content h2 { font-size: 34px; }

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

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

@media (max-width: 600px) {
    .products-grid { grid-template-columns: 1fr; }
    .section { padding: 56px 0; }
    .cta-section { padding: 56px 0; }
    .footer-section { padding: 48px 0 24px; }
    .hero-content { padding: 60px 20px; }
}