/* Karadeniz Otel - Modern Tasarım Sistemi
   Renk paleti: Karadeniz mavisi + yeşili */

:root {
    --kd-primary: #0a4d68;
    --kd-primary-dark: #053b52;
    --kd-primary-light: #088395;
    --kd-accent: #05bfdb;
    --kd-accent-light: #5fdde5;
    --kd-success: #16a34a;
    --kd-warning: #f59e0b;
    --kd-danger: #dc2626;
    --kd-bg: #f8fafc;
    --kd-bg-alt: #ffffff;
    --kd-text: #0f172a;
    --kd-text-light: #475569;
    --kd-text-muted: #94a3b8;
    --kd-border: #e2e8f0;
    --kd-border-strong: #cbd5e1;
    --kd-shadow-sm: 0 1px 2px 0 rgba(15,23,42,.05);
    --kd-shadow: 0 4px 12px -2px rgba(15,23,42,.08), 0 2px 4px -2px rgba(15,23,42,.05);
    --kd-shadow-lg: 0 20px 40px -12px rgba(15,23,42,.18);
    --kd-radius-sm: 8px;
    --kd-radius: 14px;
    --kd-radius-lg: 22px;
    --kd-gradient: linear-gradient(135deg, #0a4d68 0%, #088395 50%, #05bfdb 100%);
    --kd-gradient-soft: linear-gradient(135deg, #e0f7fa 0%, #b2ebf2 100%);
    --kd-transition: 200ms cubic-bezier(.4,0,.2,1);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
    font-family: 'Inter', system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background: var(--kd-bg);
    color: var(--kd-text);
    line-height: 1.6;
    margin: 0;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

a { color: var(--kd-primary-light); text-decoration: none; transition: color var(--kd-transition); }
a:hover { color: var(--kd-primary); }

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.25;
    color: var(--kd-text);
    letter-spacing: -.02em;
}
h1 { font-size: clamp(1.75rem, 4vw, 2.75rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.25rem); }
h3 { font-size: clamp(1.25rem, 2.5vw, 1.75rem); }

/* ============ NAVBAR ============ */
.kd-navbar {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255,255,255,.92);
    backdrop-filter: saturate(180%) blur(12px);
    -webkit-backdrop-filter: saturate(180%) blur(12px);
    border-bottom: 1px solid var(--kd-border);
    transition: box-shadow var(--kd-transition);
}
.kd-navbar.scrolled { box-shadow: var(--kd-shadow); }
.kd-navbar-inner {
    max-width: 1280px;
    margin: 0 auto;
    padding: .75rem 1.25rem;
    display: flex;
    align-items: center;
    gap: 1.5rem;
}
.kd-brand {
    display: flex;
    align-items: center;
    gap: .65rem;
    font-weight: 800;
    font-size: 1.15rem;
    color: var(--kd-primary);
    flex-shrink: 0;
}
.kd-brand img { height: 44px; width: auto; }
.kd-brand:hover { color: var(--kd-primary-dark); }

.kd-nav-links {
    display: flex;
    align-items: center;
    gap: .25rem;
    list-style: none;
    margin: 0;
    padding: 0;
    flex-wrap: wrap;
}
.kd-nav-links a {
    display: inline-flex;
    align-items: center;
    padding: .5rem .9rem;
    border-radius: 999px;
    color: var(--kd-text-light);
    font-weight: 500;
    font-size: .95rem;
    transition: all var(--kd-transition);
}
.kd-nav-links a:hover, .kd-nav-links a.active {
    background: var(--kd-gradient-soft);
    color: var(--kd-primary);
}
.kd-nav-spacer { flex: 1; }

.kd-nav-toggle {
    display: none;
    background: transparent;
    border: 1px solid var(--kd-border);
    border-radius: 10px;
    padding: .5rem .65rem;
    cursor: pointer;
    color: var(--kd-primary);
}
.kd-nav-toggle svg { width: 22px; height: 22px; }

@media (max-width: 900px) {
    .kd-nav-toggle { display: inline-flex; }
    .kd-nav-links {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        align-items: stretch;
        background: #fff;
        padding: .75rem;
        border-bottom: 1px solid var(--kd-border);
        box-shadow: var(--kd-shadow);
        transform: translateY(-10px);
        opacity: 0;
        visibility: hidden;
        transition: all var(--kd-transition);
    }
    .kd-nav-links.open {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    .kd-nav-links a { padding: .75rem 1rem; border-radius: 10px; }
}

/* ============ HERO ============ */
.kd-hero {
    position: relative;
    background: var(--kd-gradient);
    color: #fff;
    padding: 4rem 1.25rem 5rem;
    overflow: hidden;
    isolation: isolate;
}
.kd-hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(800px 400px at 20% 10%, rgba(255,255,255,.18), transparent 60%),
        radial-gradient(600px 400px at 80% 90%, rgba(95,221,229,.25), transparent 60%);
    z-index: -1;
}
.kd-hero-inner {
    max-width: 1100px;
    margin: 0 auto;
    text-align: center;
}
.kd-hero h1 {
    color: #fff;
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 800;
    margin: 0 0 1rem;
    text-shadow: 0 2px 20px rgba(0,0,0,.15);
}
.kd-hero p {
    font-size: clamp(1rem, 2vw, 1.25rem);
    opacity: .95;
    max-width: 720px;
    margin: 0 auto 2.5rem;
}

.kd-search-card {
    background: #fff;
    border-radius: var(--kd-radius-lg);
    padding: 1.5rem;
    box-shadow: var(--kd-shadow-lg);
    max-width: 960px;
    margin: 0 auto;
}
.kd-search-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr auto;
    gap: .75rem;
    align-items: end;
}
@media (max-width: 768px) {
    .kd-search-grid { grid-template-columns: 1fr 1fr; }
    .kd-search-grid > .kd-search-submit { grid-column: span 2; }
}
.kd-field { display: flex; flex-direction: column; text-align: left; }
.kd-field label {
    font-size: .8rem;
    font-weight: 600;
    color: var(--kd-text-light);
    margin-bottom: .35rem;
    text-transform: uppercase;
    letter-spacing: .03em;
}
.kd-field input, .kd-field select {
    border: 1px solid var(--kd-border);
    border-radius: var(--kd-radius-sm);
    padding: .75rem .85rem;
    font: inherit;
    color: var(--kd-text);
    background: #fff;
    transition: border-color var(--kd-transition), box-shadow var(--kd-transition);
}
.kd-field input:focus, .kd-field select:focus {
    outline: none;
    border-color: var(--kd-primary-light);
    box-shadow: 0 0 0 3px rgba(8,131,149,.18);
}

/* ============ BUTTONS ============ */
.kd-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .5rem;
    padding: .75rem 1.25rem;
    border-radius: 999px;
    font-weight: 600;
    font-size: .95rem;
    border: 1px solid transparent;
    cursor: pointer;
    transition: all var(--kd-transition);
    text-decoration: none;
    white-space: nowrap;
    line-height: 1.2;
}
.kd-btn-primary {
    background: var(--kd-gradient);
    color: #fff;
    box-shadow: 0 6px 18px -6px rgba(8,131,149,.55);
}
.kd-btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 10px 22px -6px rgba(8,131,149,.65);
    color: #fff;
}
.kd-btn-outline {
    background: #fff;
    color: var(--kd-primary);
    border-color: var(--kd-border-strong);
}
.kd-btn-outline:hover {
    border-color: var(--kd-primary-light);
    color: var(--kd-primary-dark);
    background: #f0f9fb;
}
.kd-btn-success {
    background: var(--kd-success);
    color: #fff;
}
.kd-btn-success:hover { background: #15803d; color: #fff; }
.kd-btn-block { width: 100%; }
.kd-btn-lg { padding: .95rem 1.6rem; font-size: 1.05rem; }
.kd-btn-sm { padding: .5rem .9rem; font-size: .85rem; }

/* ============ CONTAINERS ============ */
.kd-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1.25rem;
}
.kd-section { padding: 3rem 0; }
.kd-section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.75rem;
    gap: 1rem;
    flex-wrap: wrap;
}
.kd-section-header h2 {
    margin: 0;
    display: flex;
    align-items: center;
    gap: .65rem;
}
.kd-section-header .kd-link {
    font-weight: 600;
    color: var(--kd-primary-light);
}

/* ============ HOTEL CARDS ============ */
.kd-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
}
.kd-card {
    background: #fff;
    border-radius: var(--kd-radius);
    overflow: hidden;
    box-shadow: var(--kd-shadow-sm);
    border: 1px solid var(--kd-border);
    transition: all var(--kd-transition);
    display: flex;
    flex-direction: column;
    height: 100%;
}
.kd-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--kd-shadow-lg);
    border-color: var(--kd-accent-light);
}
.kd-card-img {
    position: relative;
    aspect-ratio: 16/10;
    overflow: hidden;
    background: var(--kd-gradient-soft);
}
.kd-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 400ms ease;
}
.kd-card:hover .kd-card-img img { transform: scale(1.06); }
.kd-card-badge {
    position: absolute;
    top: .85rem;
    left: .85rem;
    background: rgba(255,255,255,.95);
    backdrop-filter: blur(8px);
    color: var(--kd-primary);
    font-size: .75rem;
    font-weight: 700;
    padding: .35rem .7rem;
    border-radius: 999px;
    box-shadow: var(--kd-shadow-sm);
}
.kd-card-body {
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    gap: .5rem;
    flex: 1;
}
.kd-card-title {
    font-size: 1.1rem;
    font-weight: 700;
    margin: 0;
    color: var(--kd-text);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.kd-card-location {
    color: var(--kd-text-light);
    font-size: .9rem;
    display: flex;
    align-items: center;
    gap: .3rem;
}
.kd-card-desc {
    color: var(--kd-text-light);
    font-size: .9rem;
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.kd-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 1.25rem 1.25rem;
    margin-top: auto;
    gap: .75rem;
}
.kd-rating {
    display: inline-flex;
    align-items: center;
    gap: .3rem;
    color: var(--kd-warning);
    font-weight: 600;
    font-size: .9rem;
}
.kd-price {
    font-weight: 700;
    color: var(--kd-primary);
    font-size: 1rem;
    text-align: right;
}
.kd-price small { color: var(--kd-text-muted); font-weight: 500; font-size: .75rem; }

/* ============ FOOTER ============ */
.kd-footer {
    background: linear-gradient(180deg, #0a4d68 0%, #053b52 100%);
    color: #cbd5e1;
    padding: 4rem 0 1.5rem;
    margin-top: 5rem;
}
.kd-footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 2.5rem;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1.25rem;
}
@media (max-width: 768px) {
    .kd-footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
}
@media (max-width: 480px) {
    .kd-footer-grid { grid-template-columns: 1fr; }
}
.kd-footer h4 {
    color: #fff;
    font-size: 1rem;
    margin: 0 0 1rem;
    font-weight: 700;
}
.kd-footer ul { list-style: none; padding: 0; margin: 0; }
.kd-footer li { margin-bottom: .55rem; }
.kd-footer a {
    color: #cbd5e1;
    font-size: .9rem;
    transition: color var(--kd-transition);
}
.kd-footer a:hover { color: var(--kd-accent-light); }
.kd-footer-brand p { font-size: .9rem; line-height: 1.7; }
.kd-footer-bottom {
    max-width: 1280px;
    margin: 2.5rem auto 0;
    padding: 1.5rem 1.25rem 0;
    border-top: 1px solid rgba(255,255,255,.1);
    text-align: center;
    font-size: .85rem;
    color: #94a3b8;
}
.kd-social { display: flex; gap: .65rem; margin-top: 1rem; }
.kd-social a {
    display: inline-flex;
    width: 36px;
    height: 36px;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(255,255,255,.08);
    transition: all var(--kd-transition);
}
.kd-social a:hover { background: var(--kd-accent); color: #fff; transform: translateY(-2px); }
.kd-social svg { width: 18px; height: 18px; }

/* ============ FORMS GENERIC ============ */
.kd-form { display: flex; flex-direction: column; gap: 1rem; }
.kd-form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
@media (max-width: 600px) { .kd-form-row { grid-template-columns: 1fr; } }
.kd-form input, .kd-form select, .kd-form textarea {
    width: 100%;
    border: 1px solid var(--kd-border);
    border-radius: var(--kd-radius-sm);
    padding: .8rem .9rem;
    font: inherit;
    transition: border-color var(--kd-transition), box-shadow var(--kd-transition);
    background: #fff;
}
.kd-form input:focus, .kd-form select:focus, .kd-form textarea:focus {
    outline: none;
    border-color: var(--kd-primary-light);
    box-shadow: 0 0 0 3px rgba(8,131,149,.18);
}
.kd-form label { font-weight: 600; font-size: .9rem; color: var(--kd-text); margin-bottom: .35rem; display: block; }

/* ============ ALERTS ============ */
.kd-alert {
    padding: .9rem 1.1rem;
    border-radius: var(--kd-radius-sm);
    border: 1px solid transparent;
    font-size: .92rem;
    display: flex;
    align-items: center;
    gap: .65rem;
    margin: 1rem 0;
}
.kd-alert-success { background: #f0fdf4; color: #166534; border-color: #bbf7d0; }
.kd-alert-error { background: #fef2f2; color: #991b1b; border-color: #fecaca; }
.kd-alert-info { background: #eff6ff; color: #1e40af; border-color: #bfdbfe; }
.kd-alert-warning { background: #fffbeb; color: #92400e; border-color: #fde68a; }

/* ============ BREADCRUMB ============ */
.kd-breadcrumb {
    display: flex;
    align-items: center;
    gap: .5rem;
    font-size: .85rem;
    color: var(--kd-text-muted);
    margin: 1.25rem 0;
    flex-wrap: wrap;
}
.kd-breadcrumb a { color: var(--kd-text-light); }
.kd-breadcrumb a:hover { color: var(--kd-primary); }
.kd-breadcrumb li { list-style: none; display: flex; align-items: center; gap: .5rem; }
.kd-breadcrumb li + li::before { content: "›"; color: var(--kd-text-muted); }

/* ============ PAGINATION ============ */
.kd-pagination {
    display: flex;
    justify-content: center;
    gap: .35rem;
    margin: 2.5rem 0;
    flex-wrap: wrap;
    list-style: none;
    padding: 0;
}
.kd-pagination a, .kd-pagination span {
    display: inline-flex;
    min-width: 40px;
    height: 40px;
    align-items: center;
    justify-content: center;
    padding: 0 .85rem;
    border-radius: 10px;
    border: 1px solid var(--kd-border);
    background: #fff;
    font-weight: 600;
    color: var(--kd-text-light);
    transition: all var(--kd-transition);
}
.kd-pagination a:hover { border-color: var(--kd-primary-light); color: var(--kd-primary); }
.kd-pagination .active {
    background: var(--kd-gradient);
    color: #fff;
    border-color: transparent;
}

/* ============ TAGS / BADGES ============ */
.kd-tag {
    display: inline-flex;
    align-items: center;
    gap: .3rem;
    padding: .25rem .65rem;
    border-radius: 999px;
    background: #f1f5f9;
    color: var(--kd-text-light);
    font-size: .8rem;
    font-weight: 500;
}
.kd-tag-primary { background: #e0f7fa; color: var(--kd-primary); }

/* ============ CITY CHIPS ============ */
.kd-city-chips {
    display: flex;
    flex-wrap: wrap;
    gap: .65rem;
    justify-content: center;
    margin-top: 2rem;
}
.kd-city-chip {
    display: inline-flex;
    align-items: center;
    gap: .35rem;
    padding: .5rem 1.1rem;
    border-radius: 999px;
    background: rgba(255,255,255,.15);
    color: #fff;
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255,255,255,.2);
    font-weight: 500;
    font-size: .9rem;
    transition: all var(--kd-transition);
}
.kd-city-chip:hover {
    background: #fff;
    color: var(--kd-primary);
}

/* ============ UTILITIES ============ */
.kd-text-center { text-align: center; }
.kd-mt-0 { margin-top: 0; }
.kd-mt-1 { margin-top: .5rem; }
.kd-mt-2 { margin-top: 1rem; }
.kd-mt-3 { margin-top: 1.5rem; }
.kd-mt-4 { margin-top: 2rem; }
.kd-mb-0 { margin-bottom: 0; }
.kd-mb-2 { margin-bottom: 1rem; }
.kd-mb-3 { margin-bottom: 1.5rem; }
.kd-flex { display: flex; }
.kd-flex-center { display: flex; align-items: center; justify-content: center; }
.kd-gap-1 { gap: .5rem; }
.kd-gap-2 { gap: 1rem; }

/* Spinner */
.kd-spinner {
    width: 22px; height: 22px;
    border: 2.5px solid rgba(255,255,255,.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: kd-spin .8s linear infinite;
}
@keyframes kd-spin { to { transform: rotate(360deg); } }

/* Skip link for accessibility */
.kd-skip-link {
    position: absolute;
    left: -9999px;
    top: .5rem;
    background: var(--kd-primary);
    color: #fff;
    padding: .5rem 1rem;
    border-radius: 6px;
    z-index: 9999;
}
.kd-skip-link:focus { left: .5rem; color: #fff; }

/* Print */
@media print {
    .kd-navbar, .kd-footer, .kd-hero { display: none; }
}