/* ===== RESET & VARIABLES ===== */
:root {
    --bg: #F7F8FA;
    --surface: #FFFFFF;
    --text-primary: #111827;
    --text-secondary: #6B7280;
    --border: #E5E7EB;
    --primary: #1F4B99;
    --primary-hover: #173B78;
    --secondary: #0F766E;
    --secondary-hover: #0B5D56;
    --accent: #F59E0B;
    --accent-hover: #D97706;
    --cta-text: #111827;
    --focus-ring: #93C5FD;
    --error: #DC2626;
    --success: #16A34A;

    --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -2px rgba(0, 0, 0, 0.02);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.02);
    --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    --border-radius: 1rem;
    --border-radius-sm: 0.75rem;
}

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

body {
    font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--bg);
    color: var(--text-primary);
    line-height: 1.6;
    scroll-behavior: smooth;
}

.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3 {
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

h1 { font-size: 3.5rem; }
h2 { font-size: 2.5rem; margin-bottom: 1.5rem; }
h3 { font-size: 1.5rem; margin-bottom: 1rem; }

.section-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: -1rem auto 3rem;
    text-align: center;
}

.gradient-text {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ===== HEADER ===== */
.site-header {
    background-color: rgba(255,255,255,0.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(0,0,0,0.05);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

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

.logo a {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    text-decoration: none;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

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

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    width: 2rem;
    height: 2rem;
    flex-direction: column;
    justify-content: space-around;
    padding: 0.25rem;
    cursor: pointer;
}

.mobile-menu-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    background-color: var(--text-primary);
    transition: var(--transition);
}

.main-nav .nav-menu {
    display: flex;
    list-style: none;
    gap: 2.5rem;
}

.main-nav a {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

.main-nav a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: width 0.2s;
}

.main-nav a:hover {
    color: var(--primary);
}

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

/* ===== HERO SECTION ===== */
.hero-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    padding: 4rem 0 6rem;
}

.hero-title {
    font-size: 3.8rem;
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.hero-subtitle {
    font-size: 1.3rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    max-width: 500px;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.glasses-illustration {
    width: 300px;
    height: 200px;
    background: radial-gradient(circle at 30% 50%, var(--primary) 0%, transparent 50%),
    radial-gradient(circle at 70% 50%, var(--secondary) 0%, transparent 50%);
    border-radius: 50% 50% 40% 40% / 60% 60% 40% 40%;
    position: relative;
    opacity: 0.8;
    box-shadow: var(--shadow-lg);
}

.glasses-illustration::before,
.glasses-illustration::after {
    content: '';
    position: absolute;
    width: 60px;
    height: 60px;
    border: 4px solid var(--primary);
    border-radius: 50%;
    top: 50%;
    transform: translateY(-50%);
}

.glasses-illustration::before { left: -20px; }
.glasses-illustration::after { right: -20px; }

/* ===== INFO SECTIONS ===== */
.info-section {
    padding: 4rem 0;
}

.info-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.info-grid.reverse {
    direction: rtl;
}

.info-grid.reverse .info-text {
    direction: ltr;
}

.info-text h2 {
    color: var(--primary);
    position: relative;
    display: inline-block;
}

.info-text h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 80px;
    height: 4px;
    background: var(--accent);
    border-radius: 2px;
}

.info-icon {
    display: flex;
    justify-content: center;
    align-items: center;
}

.icon-pinhole, .icon-eye {
    width: 200px;
    height: 200px;
    background: linear-gradient(145deg, var(--surface), var(--bg));
    border-radius: 50%;
    box-shadow: var(--shadow-md);
    position: relative;
}

.icon-pinhole::before {
    content: '';
    position: absolute;
    inset: 30px;
    background: var(--primary);
    border-radius: 50%;
    opacity: 0.1;
}

.icon-pinhole::after {
    content: '⬤ ⬤ ⬤';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 3rem;
    color: var(--primary);
    letter-spacing: 10px;
}

.icon-eye::before {
    content: '◠ ◡ ◠';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 3.5rem;
    color: var(--secondary);
}

/* ===== TYPES SECTION ===== */
.types-section {
    padding: 4rem 0;
    text-align: center;
}

.types-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.type-card {
    background: var(--surface);
    padding: 2.5rem 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 1px solid var(--border);
    position: relative;
    overflow: hidden;
}

.type-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
}

.type-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
}

.type-icon {
    width: 100px;
    height: 100px;
    margin: 0 auto 1.5rem;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 2.8rem;
    box-shadow: var(--shadow-md);
}

.type-icon-conic::before { content: "▲"; transform: scaleY(0.7); display: block; }
.type-icon-pyramid::before { content: "▲"; }
.type-icon-hexagon::before { content: "⬢"; }

.type-card h3 {
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.type-card p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

/* ===== SHIPPING SECTION ===== */
.shipping-section {
    padding: 4rem 0;
    background: linear-gradient(145deg, var(--surface), var(--bg));
    border-radius: var(--border-radius);
    text-align: center;
}

.cities-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
    margin: 2rem 0;
}

.city-item {
    background: var(--surface);
    padding: 0.8rem 1.8rem;
    border-radius: 50px;
    text-decoration: none;
    color: var(--primary);
    font-weight: 500;
    border: 1px solid var(--border);
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
    font-size: 1.1rem;
}

.city-item:hover {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
    transform: scale(1.05);
    box-shadow: var(--shadow-md);
}

.shipping-note {
    color: var(--text-secondary);
    font-size: 1rem;
    margin-top: 2rem;
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-block;
    padding: 0.8rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    text-decoration: none;
    text-align: center;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background-color: var(--primary);
    color: white;
    box-shadow: 0 4px 6px -2px rgba(31, 75, 153, 0.3);
}

.btn-primary:hover {
    background-color: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 12px -4px rgba(31, 75, 153, 0.4);
}

.btn-secondary {
    background-color: var(--secondary);
    color: white;
    box-shadow: 0 4px 6px -2px rgba(15, 118, 110, 0.3);
}

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

.btn-accent {
    background-color: var(--accent);
    color: var(--cta-text);
    box-shadow: 0 4px 6px -2px rgba(245, 158, 11, 0.3);
}

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

.btn-outline {
    background: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
}

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

.btn-large {
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
}

/* ===== CARDS (for listings) ===== */
.card {
    background: var(--surface);
    border-radius: var(--border-radius-sm);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 1px solid var(--border);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary);
}

.card-img {
    overflow: hidden;
    height: 200px;
}

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

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

.card-body {
    padding: 1.5rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.card-title {
    font-size: 1.3rem;
    margin-bottom: 0.75rem;
}

.card-title a {
    color: var(--text-primary);
    text-decoration: none;
    transition: color 0.2s;
}

.card-title a:hover {
    color: var(--primary);
}

.card-text {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    line-height: 1.5;
    flex: 1;
}

.read-more {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    transition: gap 0.2s;
}

.read-more:hover {
    gap: 0.5rem;
    color: var(--primary-hover);
}

/* ===== DELIVERY INFO CARD ===== */
.delivery-info-card {
    background: linear-gradient(145deg, var(--surface), #f9fafc);
    border: 1px solid var(--border);
    border-radius: var(--border-radius);
    padding: 2.5rem;
    margin: 2rem 0;
    box-shadow: var(--shadow-lg);
}

.delivery-info-card h3 {
    color: var(--primary);
    margin-bottom: 1.5rem;
    font-size: 2rem;
}

.delivery-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.delivery-details p {
    margin: 0;
    color: var(--text-secondary);
    font-size: 1.1rem;
}

.delivery-label {
    font-weight: 600;
    color: var(--text-primary);
    display: block;
    margin-bottom: 0.25rem;
}

/* ===== PAGINATION ===== */
.pagination {
    display: flex;
    justify-content: center;
    list-style: none;
    margin-top: 3rem;
    gap: 0.5rem;
}

.page-item .page-link {
    display: block;
    padding: 0.6rem 1rem;
    border: 1px solid var(--border);
    border-radius: var(--border-radius-sm);
    color: var(--primary);
    text-decoration: none;
    transition: var(--transition);
    background: var(--surface);
}

.page-item.active .page-link {
    background-color: var(--primary);
    color: white;
    border-color: var(--primary);
}

.page-item .page-link:hover {
    background-color: var(--bg);
    border-color: var(--primary);
}

/* ===== FOOTER ===== */
.site-footer {
    background: var(--surface);
    border-top: 1px solid var(--border);
    padding: 2rem 0;
    margin-top: 4rem;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.social-links {
    display: flex;
    gap: 1.5rem;
}

.social-links a {
    text-decoration: none;
    font-size: 1.8rem;
    opacity: 0.7;
    transition: opacity 0.2s, transform 0.2s;
}

.social-links a:hover {
    opacity: 1;
    transform: translateY(-2px);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 992px) {
    h1 { font-size: 2.8rem; }
    h2 { font-size: 2rem; }
    .hero-section {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }
    .hero-subtitle { margin-left: auto; margin-right: auto; }
    .hero-cta { justify-content: center; }
    .info-grid { grid-template-columns: 1fr; gap: 2rem; }
    .info-grid.reverse { direction: ltr; }
}

@media (max-width: 768px) {
    .container { padding: 0 1.5rem; }
    .mobile-menu-toggle {
        display: flex;
    }
    .main-nav {
        width: 100%;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease-out;
    }
    .main-nav.active {
        max-height: 300px;
    }
    .main-nav .nav-menu {
        flex-direction: column;
        gap: 1rem;
        padding: 1rem 0;
    }
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
    .delivery-details {
        grid-template-columns: 1fr;
    }
}

/* ===== CONTENT LINKS (internal + external) ===== */
/* Targets "text links" inside <main> content so external URLs stop looking default/blue. */

main p a,
main li a,
main td a,
main dd a,
main blockquote a {
    color: var(--primary);
    text-decoration: underline;
    text-decoration-color: rgba(31, 75, 153, 0.35);
    text-decoration-thickness: 2px;
    text-underline-offset: 0.18em;
    border-radius: 0.35rem;
    transition: color 0.2s ease, text-decoration-color 0.2s ease, background-color 0.2s ease;
}

main p a:hover,
main li a:hover,
main td a:hover,
main dd a:hover,
main blockquote a:hover {
    color: var(--primary-hover);
    text-decoration-color: var(--accent);
    background-color: rgba(245, 158, 11, 0.10);
}

/* Accessible focus (keyboard navigation) */
main p a:focus-visible,
main li a:focus-visible,
main td a:focus-visible,
main dd a:focus-visible,
main blockquote a:focus-visible {
    outline: 3px solid var(--focus-ring);
    outline-offset: 2px;
}

/* External links (target="_blank") */
main a[target="_blank"]:not(.btn):not(.city-item):not(.read-more) {
    padding: 0.05em 0.35em;
    border: 1px solid var(--border);
    background: linear-gradient(145deg, var(--surface), var(--bg));
    text-decoration: none; /* chip look instead of underline */
}

main a[target="_blank"]:not(.btn):not(.city-item):not(.read-more):hover {
    border-color: var(--primary);
}

main a[target="_blank"]:not(.btn):not(.city-item):not(.read-more)::after {
    content: "↗";
    font-size: 0.85em;
    margin-left: 0.2em;
    opacity: 0.7;
}