:root {
    --color-bg: #f2f2f3;
    --color-surface: #e9e9ea;
    --color-text: #1d1f20;
    --color-accent: #fe0117;
    --color-accent-100: #fff0f1;
    --color-accent-200: #ffd2d7;
    --color-accent-300: #ff9aa4;
    --color-accent-400: #ff5766;
    --color-accent-500: #fe0117;
    --color-accent-600: #dd0013;
    --color-accent-700: #b0000f;
    --color-accent-800: #78000a;
    --color-accent-900: #3d0206;
    --color-neutral-100: #f5f5f8;
    --color-neutral-200: #e7e7ea;
    --color-neutral-300: #d4d4d7;
    --color-neutral-400: #b7b7ba;
    --color-neutral-500: #98989b;
    --color-neutral-600: #7a7a7d;
    --color-neutral-700: #5d5d60;
    --color-neutral-800: #424244;
    --color-neutral-900: #2b2b2d;
    --color-divider: color-mix(in srgb, #1d1f20 16%, transparent);
    --font-heading: "Barlow Condensed", system-ui, sans-serif;
    --font-body: "Barlow", system-ui, sans-serif;
    --space-1: 3.4px; --space-2: 6.8px; --space-3: 10.2px; --space-4: 13.6px; --space-6: 20.4px; --space-8: 27.2px;
    --shadow-md: 0 3px 10px color-mix(in srgb, #2b2b2d 16%, transparent);
}
*, *::before, *::after { box-sizing: border-box; }
html { overflow-x: hidden; }
body { margin: 0; background: var(--color-bg); color: var(--color-text); font-family: var(--font-body); font-size: 15px; line-height: 1.55; overflow-x: hidden; }
h1,h2,h3,h4,h5,h6 { font-family: var(--font-heading); font-weight: 600; line-height: 1.12; letter-spacing: -0.015em; margin: 0 0 var(--space-2); }
a { color: var(--color-text); text-decoration: none; }
a:hover { color: var(--color-accent-700); }
img { display: block; max-width: 100%; }
p { margin: 0 0 var(--space-3); }

/* Blueprint frame */
.blueprint { position: relative; border: 1px solid var(--color-divider); border-radius: 0; }
.corner { position: absolute; width: 11px; height: 11px; color: color-mix(in srgb, var(--color-text) 55%, transparent); }
.corner::before, .corner::after { content: ""; position: absolute; background: currentColor; }
.corner::before { left: 5px; top: 0; width: 1px; height: 100%; }
.corner::after { top: 5px; left: 0; width: 100%; height: 1px; }
.corner.tl { top: -6px; left: -6px; } .corner.tr { top: -6px; right: -6px; }
.corner.bl { bottom: -6px; left: -6px; } .corner.br { bottom: -6px; right: -6px; }

/* Shell — grid background like template */
.gtn-shell {
    min-height: 100vh; padding: var(--space-6);
    background:
        linear-gradient(90deg, rgba(254,1,23,.07) 0 1px, transparent 1px 100%),
        linear-gradient(0deg, rgba(254,1,23,.07) 0 1px, transparent 1px 100%),
        var(--color-neutral-200);
    background-size: 32px 32px, 32px 32px;
}
.gtn-box {
    position: relative; max-width: 1400px; margin: 0 auto;
    background: var(--color-bg); border: 1px solid var(--color-neutral-400);
    box-shadow: var(--shadow-md); overflow: hidden;
}

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; cursor: pointer; text-decoration: none; font-family: var(--font-heading); font-weight: 600; font-size: 14px; line-height: 1.2; color: var(--color-text); background: transparent; border: 1px solid var(--color-divider); padding: var(--space-2) calc(var(--space-3) * 1.2); border-radius: 0; letter-spacing: .08em; text-transform: uppercase; white-space: nowrap; }
.btn-primary { background: var(--color-accent); color: var(--color-bg); border-color: var(--color-accent); }
.btn-primary:hover { background: var(--color-accent-600); color: var(--color-bg); }
.btn-secondary { border-color: var(--color-divider); }
.btn-secondary:hover { background: color-mix(in srgb, var(--color-text) 7%, transparent); }

/* Cards */
.card { display: flex; flex-direction: column; gap: var(--space-2); padding: var(--space-3); background: transparent; border: 1px solid var(--color-divider); border-radius: 0; }
.card-kicker { font-size: 10px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--color-accent); }
.card-title { font-family: var(--font-heading); font-weight: 600; font-size: 17px; line-height: 1.2; }
.card-body { margin: 0; font-size: 13px; opacity: 0.8; flex: 1; }

/* Table */
.table { width: 100%; border-collapse: collapse; font-size: 14px; }
.table th { text-align: left; font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase; color: color-mix(in srgb, var(--color-text) 60%, transparent); padding: var(--space-2); border-bottom: 1px solid var(--color-divider); }
.table td { padding: var(--space-2); border-bottom: 1px solid color-mix(in srgb, var(--color-text) 8%, transparent); }
.table tbody tr:hover { background: color-mix(in srgb, var(--color-text) 4%, transparent); }

/* Tags */
.tag { display: inline-flex; align-items: center; font-size: 11px; letter-spacing: 0.02em; padding: 3px 10px; border-radius: 0; }
.tag-accent { background: var(--color-accent-100); color: var(--color-accent-800); }

/* Forms */
.input { width: 100%; min-height: 36px; padding: 6px 10px; font: inherit; font-size: 14px; color: var(--color-text); background: var(--color-surface); border: 1px solid var(--color-divider); border-radius: 0; }
.input:focus { border-color: var(--color-accent); outline: none; }
textarea.input { min-height: 90px; resize: vertical; }
.field > label { display: block; font-size: 12px; margin-bottom: 5px; color: color-mix(in srgb, var(--color-text) 70%, transparent); }

/* Section labels */
.section-label { font-family: var(--font-heading); font-size: 13px; font-weight: 600; letter-spacing: .2em; text-transform: uppercase; color: var(--color-accent-700); }
.section-title { font-family: var(--font-heading); font-weight: 700; font-size: clamp(32px, 4vw, 52px); line-height: 1; text-transform: uppercase; margin: var(--space-3) 0 0; }
.hr { height: 1px; border: 0; margin: var(--space-4) 0; background: var(--color-divider); }

/* Photo overlay */
.gtn-photo { position: relative; overflow: hidden; }
.gtn-photo img { width: 100%; height: 100%; object-fit: cover; display: block; }

/* Grids */
.gtn-four { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--space-4); }
.gtn-three { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-4); }
.gtn-two { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: var(--space-8); align-items: center; }

/* Nav */
.gtn-header { z-index: 50; }
.gtn-logo { display: block; height: 34px; width: auto; }
.gtn-logo-foot { display: block; height: 44px; width: auto; }
.gtn-nav-link { color: var(--color-text) !important; transition: color .2s ease; }
.gtn-nav-link:hover { color: var(--color-accent-700) !important; }
.gtn-nav-link.gtn-active { color: var(--color-accent) !important; }

/* Popup */
.popup-overlay { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: color-mix(in srgb, var(--color-neutral-900) 50%, transparent); z-index: 9999; display: flex; align-items: center; justify-content: center; }
.popup-content { position: relative; max-width: 500px; width: 90%; background: var(--color-bg); border: 1px solid var(--color-divider); overflow: hidden; }
.popup-content img { width: 100%; height: auto; display: block; }
.popup-close { position: absolute; top: 8px; right: 8px; width: 32px; height: 32px; background: var(--color-accent); color: #fff; border: none; font-size: 18px; cursor: pointer; display: flex; align-items: center; justify-content: center; font-family: var(--font-heading); font-weight: 700; }
.popup-close:hover { background: var(--color-accent-700); }

.text-danger { color: var(--color-accent); }
.text-muted { color: var(--color-neutral-600); }

/* CTA dark section */
.gtn-cta { background: var(--color-accent-900); color: var(--color-neutral-100); }
.gtn-cta a { color: var(--color-neutral-100); }

/* Flip animation */
@keyframes gtn-flip { 0%{transform:rotateX(0);opacity:1} 49%{transform:rotateX(-90deg);opacity:.15} 50%{transform:rotateX(90deg);opacity:.15} 100%{transform:rotateX(0);opacity:1} }

/* Hero image effects */
#gtn-hero-figure { position: relative; overflow: hidden; }
@keyframes gtn-ken-burns { 0%{transform:scale(1)} 100%{transform:scale(1.08)} }
#gtn-hero-img { animation: gtn-ken-burns 3.2s ease forwards; }
#gtn-hero-img.gtn-hero-old { transition: opacity .6s ease, transform .8s ease, filter .6s ease; opacity: 0; transform: scale(1.12); filter: blur(3px); }
.gtn-hero-next { position: absolute; top: 0; left: 0; width: 100%; height: 100%; object-fit: cover; z-index: 2; clip-path: inset(0 100% 0 0); transition: clip-path .8s cubic-bezier(.77,0,.18,1); }
.gtn-hero-next.gtn-hero-show { clip-path: inset(0 0 0 0); }

/* Belt animation */
@keyframes gtn-belt { from{transform:translateX(0)} to{transform:translateX(-50%)} }
@keyframes gtn-belt-reverse { from{transform:translateX(-50%)} to{transform:translateX(0)} }
.gtn-belt-track { animation: gtn-belt 44s linear infinite; }
.gtn-belt-track:hover { animation-play-state: paused; }
.gtn-belt-track-reverse { animation: gtn-belt-reverse 44s linear infinite; }
.gtn-belt-track-reverse:hover { animation-play-state: paused; }

/* Video */
.gtn-photo video { filter: saturate(1.02) contrast(1.04); }

/* Offcanvas overrides */
.offcanvas { font-family: var(--font-body); }

/* Season calendar responsive */
.gtn-season-grid { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); border: 1px solid var(--color-neutral-300); }

/* Responsive — Bootstrap breakpoints: sm=576, md=768, lg=992, xl=1200 */
@media (max-width: 991.98px) {
    .gtn-two { grid-template-columns: 1fr !important; }
    .gtn-three { grid-template-columns: 1fr 1fr !important; }
    .gtn-four { grid-template-columns: 1fr 1fr !important; }
    .gtn-stamp { display: none !important; }
    .gtn-cta-head { padding-right: 0 !important; }
    .gtn-season-grid { grid-template-columns: repeat(4, minmax(0, 1fr)) !important; }
}
@media (max-width: 767.98px) {
    .gtn-season-grid { grid-template-columns: repeat(3, minmax(0, 1fr)) !important; }
    .gtn-four.gtn-footer-grid { grid-template-columns: 1fr !important; }
    .gtn-footer-grid > div { border-right: none !important; border-bottom: 1px solid var(--color-neutral-300); }
    .gtn-footer-grid > div:last-child { border-bottom: none; }
    .gtn-shell { padding: var(--space-3); }
}
@media (max-width: 575.98px) {
    .gtn-three, .gtn-four { grid-template-columns: 1fr !important; }
    .gtn-shell { padding: var(--space-2); }
    .gtn-season-grid { grid-template-columns: repeat(2, minmax(0, 1fr)) !important; }
    .popup-content { width: 95% !important; max-width: 100% !important; margin: var(--space-3); }
    .section-title { font-size: clamp(24px, 7vw, 36px) !important; }
    section > div, footer > div { padding-left: var(--space-3) !important; padding-right: var(--space-3) !important; }
}
@media (max-width: 400px) {
    .gtn-shell { padding: 2px; }
    .gtn-season-grid { grid-template-columns: 1fr !important; }
    section > div, footer > div { padding-left: var(--space-2) !important; padding-right: var(--space-2) !important; }
}
@media (prefers-reduced-motion: reduce) { .gtn-belt-track { animation: none; } .gtn-reveal { opacity: 1 !important; transform: none !important; } }

/* Scroll reveal */
.gtn-reveal { opacity: 0; transform: translateY(32px); transition: opacity .7s ease, transform .7s ease; }
.gtn-reveal.gtn-visible { opacity: 1; transform: translateY(0); }

/* WhatsApp floating */
.gtn-wa-float { position: fixed; bottom: 24px; right: 24px; z-index: 90; width: 56px; height: 56px; border-radius: 50%; background: #25d366; color: #fff; display: flex; align-items: center; justify-content: center; box-shadow: 0 4px 14px rgba(0,0,0,.25); transition: transform .25s ease, box-shadow .25s ease; text-decoration: none; }
.gtn-wa-float:hover { transform: scale(1.1); box-shadow: 0 6px 20px rgba(0,0,0,.3); color: #fff; }
@keyframes gtn-wa-pulse { 0%,100%{box-shadow: 0 0 0 0 rgba(37,211,102,.5)} 50%{box-shadow: 0 0 0 12px rgba(37,211,102,0)} }
.gtn-wa-float { animation: gtn-wa-pulse 2.5s ease infinite; }

/* Back to top */
.gtn-top-btn { position: fixed; bottom: 90px; right: 28px; z-index: 90; width: 40px; height: 40px; border-radius: 50%; background: var(--color-neutral-800); color: #fff; display: flex; align-items: center; justify-content: center; border: none; cursor: pointer; opacity: 0; pointer-events: none; transition: opacity .3s ease, transform .3s ease; transform: translateY(10px); }
.gtn-top-btn.gtn-top-show { opacity: .8; pointer-events: auto; transform: translateY(0); }
.gtn-top-btn:hover { opacity: 1; }

/* WhatsApp tooltip */
.gtn-wa-float::before { content: "Bizə yazın!"; position: absolute; right: 66px; top: 50%; transform: translateY(-50%); background: var(--color-neutral-900); color: #fff; font-family: var(--font-heading); font-size: 13px; font-weight: 600; letter-spacing: .04em; padding: 6px 14px; white-space: nowrap; opacity: 0; pointer-events: none; transition: opacity .3s ease, transform .3s ease; transform: translateY(-50%) translateX(8px); }
.gtn-wa-float::after { content: ""; position: absolute; right: 60px; top: 50%; transform: translateY(-50%); border: 5px solid transparent; border-left-color: var(--color-neutral-900); opacity: 0; transition: opacity .3s ease; }
.gtn-wa-float:hover::before { opacity: 1; transform: translateY(-50%) translateX(0); }
.gtn-wa-float:hover::after { opacity: 1; }

/* Destination card hover */
.gtn-dest-card { overflow: hidden; transition: transform .3s ease, box-shadow .3s ease; }
.gtn-dest-card:hover { transform: translateY(-4px); box-shadow: 0 8px 24px color-mix(in srgb, var(--color-neutral-900) 18%, transparent); }
.gtn-dest-card .gtn-photo img { transition: transform .5s ease; }
.gtn-dest-card:hover .gtn-photo img { transform: scale(1.08); }
.gtn-dest-card .gtn-dest-overlay { position: absolute; inset: 0; background: linear-gradient(to top, rgba(0,0,0,.55) 0%, transparent 60%); opacity: 0; transition: opacity .4s ease; display: flex; align-items: flex-end; padding: var(--space-4); }
.gtn-dest-card:hover .gtn-dest-overlay { opacity: 1; }
.gtn-dest-overlay span { font-family: var(--font-heading); font-weight: 700; font-size: 18px; color: #fff; text-transform: uppercase; letter-spacing: .06em; }