:root {
    /* GATEBOOKING BRAND ALAP */
    --brand-navy-950: #06111d;
    --brand-navy-900: #0a1b2e;
    --brand-navy-850: #10283f;
    --brand-blue-800: #16385a;
    --brand-blue-700: #1d4d7a;
    --brand-blue-600: #2a6dad;
    --brand-blue-500: #3d89cf;
    --brand-blue-400: #67a3d8;
    --brand-blue-300: #8db8de;

    --brand-cyan-500: #63e3d6;
    --brand-cyan-400: #7ef0df;
    --brand-cyan-200: #c8fbf2;

    --green: #79b82f;
    --green-dark: #629a23;
    --yellow: #f0c93b;
    --yellow-soft: #fff2ba;

    /* LIGHT THEME – GATEBOOKING HANGULATTAL */
    --light-100: #f7fbff;
    --light-150: #f0f7fd;
    --light-200: #e7f1f9;
    --light-250: #ddeaf5;
    --light-300: #d4e4f1;
    --light-400: #c0d5e6;

    --card-light: rgba(255, 255, 255, 0.72);
    --card-light-strong: rgba(231, 241, 249, 0.92);
    --card-soft-blue: rgba(143, 184, 222, 0.16);

    --text-dark: #11273b;
    --text-muted: #587087;
    --text-light: #edf6ff;
    --text-light-muted: #b8cade;

    --line-dark: rgba(255,255,255,0.10);
    --line-light: rgba(17,39,59,0.10);

    --shadow-dark: 0 24px 60px rgba(3, 13, 24, 0.35);
    --shadow-light: 0 18px 44px rgba(16, 40, 63, 0.12);

    --radius-xl: 30px;
    --radius-lg: 22px;
    --radius-md: 16px;

    --container: 1200px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    background:
            radial-gradient(circle at top right, rgba(99,227,214,0.10), transparent 18%),
            radial-gradient(circle at left top, rgba(61,137,207,0.10), transparent 24%),
            linear-gradient(180deg, #f7fbff 0%, #eaf3fa 100%);
    color: var(--text-dark);
    line-height: 1.6;
}

a {
    color: inherit;
    text-decoration: none;
}

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

.container {
    width: min(var(--container), calc(100% - 40px));
    margin: 0 auto;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(12px);
    background: linear-gradient(90deg, rgba(8,27,46,0.94), rgba(38,116,190,0.90));
    border-bottom: 1px solid rgba(255,255,255,0.08);
    box-shadow: 0 10px 26px rgba(6, 17, 29, 0.20);
}

.header-inner {
    min-height: 84px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 14px;
    font-size: 1rem;
    font-weight: 700;
    color: #fff;
    letter-spacing: 0.2px;
    font-family: Ubuntu, -apple-system, BlinkMacSystemFont, sans-serif;
}

.logo-mark {
    width: 60px;
    height: 60px;
    border-radius: 16px;
    display: grid;
    place-items: center;
    overflow: hidden;
    flex: 0 0 60px;
}

.logo-mark img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
}

.logo-text {
    display: flex;
    flex-direction: column;
    gap: 1px;
}

.logo-slogan {
    font-size: 0.82rem;
    font-weight: 400;
    letter-spacing: 0.3px;
    color: rgba(255,255,255,0.82);
    text-transform: none;
    font-family: Ubuntu, -apple-system, BlinkMacSystemFont, sans-serif;
}

.nav a {
    color: rgba(255,255,255,0.84);
    font-size: 0.96rem;
    transition: color 0.2s ease, opacity 0.2s ease;
    font-family: Ubuntu, -apple-system, BlinkMacSystemFont, sans-serif;
}

.nav a:hover {
    color: var(--brand-cyan-400);
}

.mobile-nav-toggle,
.mobile-nav-panel {
    display: none;
}

.mobile-nav-toggle {
    width: 46px;
    height: 46px;
    padding: 0;
    border-radius: 12px;
    border: 1px solid rgba(255,255,255,0.20);
    background: rgba(255,255,255,0.10);
    --bs-navbar-toggler-icon-bg: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28255, 255, 255, 0.92%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

.mobile-nav-toggle .navbar-toggler-icon {
    width: 1.5em;
    height: 1.5em;
}

.mobile-nav-panel {
    flex-basis: 100%;
}

.mobile-nav-body {
    margin-top: 10px;
    padding: 14px;
    border-radius: 16px;
    background: rgba(5, 18, 31, 0.92);
    border: 1px solid rgba(255,255,255,0.12);
}

.mobile-nav-list a {
    color: rgba(255,255,255,0.9);
    font-weight: 600;
    font-size: 0.96rem;
    font-family: Ubuntu, -apple-system, BlinkMacSystemFont, sans-serif;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 50px;
    padding: 0 24px;
    border-radius: 999px;
    font-weight: 700;
    font-size: 0.96rem;
    border: 1px solid transparent;
    transition: 0.2s ease;
    white-space: nowrap;
    cursor: pointer;
}

.btn-primary {
    background: #e8883a;
    color: #fff;
    box-shadow: 0 14px 28px rgba(232,136,58,0.28);
}

.btn-primary:hover {
    background: #d4742a;
    transform: translateY(-1px);
}

.btn-secondary {
    background: linear-gradient(180deg, #ffffff, #edf6ff);
    color: var(--text-dark);
    border-color: rgba(17,39,59,0.08);
}

.btn-secondary:hover {
    background: #f5fbff;
    transform: translateY(-1px);
    color: var(--text-dark);
}

.btn-outline-dark {
    background: rgba(255,255,255,0.10);
    color: #fff;
    border-color: rgba(255,255,255,0.18);
}

.btn-outline-dark:hover {
    background: rgba(255,255,255,0.16);
    color: #fff;
}

.btn-outline-light {
    background: transparent;
    color: #fff;
    border-color: rgba(255,255,255,0.18);
}

.btn-outline-light:hover {
    background: rgba(255,255,255,0.08);
    color: #fff;
}

.section {
    position: relative;
    padding: 78px 0;
}

.section-light {
    background:
            radial-gradient(circle at top left, rgba(99,227,214,0.10), transparent 18%),
            linear-gradient(135deg, #f7fbff 0%, #e8f2fa 100%);
    color: var(--text-dark);
}

.section-white {
    background:
            linear-gradient(180deg, rgba(255,255,255,0.70), rgba(244,249,253,0.92));
    color: var(--text-dark);
}

.section-soft {
    background:
            radial-gradient(circle at right top, rgba(61,137,207,0.12), transparent 18%),
            radial-gradient(circle at left bottom, rgba(99,227,214,0.10), transparent 20%),
            linear-gradient(180deg, #edf5fb 0%, #deebf6 100%);
    color: var(--text-dark);
}

.section-dark {
    background:
            radial-gradient(circle at top right, rgba(126,240,223,0.10), transparent 20%),
            radial-gradient(circle at left center, rgba(61,137,207,0.14), transparent 24%),
            linear-gradient(135deg, var(--brand-navy-900) 0%, var(--brand-blue-800) 58%, var(--brand-blue-500) 100%);
    color: var(--text-light);
}

.hero {
    padding: 94px 0 74px;
    overflow: hidden;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.08fr 0.92fr;
    gap: 44px;
    align-items: center;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 10px 16px;
    border-radius: 999px;
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 1.7px;
    text-transform: uppercase;
    margin-bottom: 18px;
}

.section-dark .eyebrow {
    background: rgba(126,240,223,0.10);
    color: var(--brand-cyan-200);
    border: 1px solid rgba(126,240,223,0.18);
}

.section-light .eyebrow,
.section-white .eyebrow,
.section-soft .eyebrow {
    background: rgba(99,227,214,0.12);
    color: #14665e;
    border: 1px solid rgba(99,227,214,0.20);
}

.hero h1,
.section-header h2,
.cta-box h2 {
    margin: 0 0 16px;
    line-height: 1.05;
    letter-spacing: -1.3px;
    font-family: Ubuntu, -apple-system, BlinkMacSystemFont, sans-serif;
    color: #144067;
}

.hero h1 {
    font-size: clamp(2.4rem, 4.5vw, 3.4rem);
    max-width: 760px;
    font-weight: 400;
    color: #fff;
}

.hero-lead {
    margin: 0 0 28px;
    max-width: 700px;
    font-size: 1.12rem;
    color: var(--text-light-muted);
}

.hero-note {
    margin: 0;
    color: var(--text-light-muted);
    font-size: 0.98rem;
    max-width: 640px;
}

.hero-card {
    background: transparent;
    border: none;
    border-radius: var(--radius-xl);
    padding: 0;
    box-shadow: none;
}

.hero-image,
.image-placeholder,
.article-thumb {
    display: grid;
    place-items: center;
    text-align: center;
    padding: 24px;
    border-radius: var(--radius-lg);
}

.hero-image {
    background: transparent;
    border: none;
    padding: 0;
    color: var(--text-light-muted);
}

.hero-image img {
    width: 100%;
    border-radius: var(--radius-lg);
}

.rounded-media {
    border-radius: var(--radius-lg);
}

.hero-image strong,
.image-placeholder strong,
.article-thumb strong {
    display: block;
    margin-bottom: 8px;
    font-size: 1.02rem;
}

.section-header {
    max-width: 760px;
    margin-bottom: 32px;
}

.section-header.center {
    text-align: center;
    margin-left: auto;
    margin-right: auto;
}

.section-header h2 {
    font-size: clamp(2rem, 3vw, 3rem);
}

.section-header p,
.content-box p,
.feature-card p,
.stat-card p,
.article-card p,
.cta-box p,
.closing-note {
    font-size: 1.02rem;
}

.section-light .section-header p,
.section-white .section-header p,
.section-soft .section-header p,
.section-light .content-box p,
.section-white .content-box p,
.section-soft .content-box p,
.section-light .feature-card p,
.section-white .feature-card p,
.section-soft .feature-card p,
.section-light .stat-card p,
.section-white .stat-card p,
.section-soft .stat-card p,
.section-light .article-card p,
.section-white .article-card p,
.section-soft .article-card p,
.section-light .cta-box p,
.section-white .cta-box p,
.section-soft .cta-box p,
.section-light .closing-note,
.section-white .closing-note,
.section-soft .closing-note {
    color: var(--text-muted);
}

.section-dark .section-header p,
.section-dark .content-box p,
.section-dark .feature-card p,
.section-dark .stat-card p,
.section-dark .article-card p,
.section-dark .cta-box p,
.section-dark .closing-note {
    color: var(--text-light-muted);
}

.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 28px;
}

.content-box,
.feature-card,
.stat-card,
.article-card,
.cta-box {
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.section-light .content-box,
.section-white .content-box,
.section-soft .content-box,
.section-light .feature-card,
.section-white .feature-card,
.section-soft .feature-card,
.section-light .stat-card,
.section-white .stat-card,
.section-soft .stat-card,
.section-light .article-card,
.section-white .article-card,
.section-soft .article-card,
.section-light .cta-box,
.section-white .cta-box,
.section-soft .cta-box {
    background:
            linear-gradient(180deg, rgba(255,255,255,0.76), rgba(231,241,249,0.88));
    border: 1px solid rgba(29,77,122,0.10);
    box-shadow: var(--shadow-light);
}

.section-dark .content-box,
.section-dark .feature-card,
.section-dark .stat-card,
.section-dark .article-card,
.section-dark .cta-box {
    background: rgba(255,255,255,0.05);
    border: 1px solid var(--line-dark);
    box-shadow: var(--shadow-dark);
}

.section-dark .hero h1,
.section-dark .section-header h2,
.section-dark .cta-box h2,
.section-dark .feature-card h3,
.section-dark .stat-card h3,
.section-dark .article-card h3 {
    color: #fff;
}

.content-box {
    padding: 30px;
}

.content-box p {
    margin-top: 0;
}

.content-box p:last-child {
    margin-bottom: 0;
}

.image-placeholder {
    min-height: 320px;
}

.section-light .image-placeholder,
.section-white .image-placeholder,
.section-soft .image-placeholder {
    background:
            linear-gradient(135deg, rgba(61,137,207,0.10), rgba(126,240,223,0.10)),
            linear-gradient(180deg, rgba(255,255,255,0.82), rgba(231,241,249,0.90));
    border: 1px dashed rgba(29,77,122,0.16);
    color: var(--text-muted);
}

.section-dark .image-placeholder {
    background:
            linear-gradient(135deg, rgba(126,240,223,0.10), rgba(255,255,255,0.02));
    border: 1px dashed rgba(255,255,255,0.16);
    color: var(--text-light-muted);
}

.image-placeholder.no-frame {
    background: transparent;
    border: none;
    padding: 0;
    min-height: auto;
}

.problem-list li,
.audience-list li {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    padding: 16px 18px;
    border-radius: 16px;
}

.section-light .problem-list li,
.section-white .problem-list li,
.section-soft .problem-list li,
.section-light .audience-list li,
.section-white .audience-list li,
.section-soft .audience-list li {
    background: rgba(255,255,255,0.62);
    border: 1px solid rgba(29,77,122,0.08);
}

.section-dark .problem-list li,
.section-dark .audience-list li {
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.07);
}

.dot {
    width: 10px;
    height: 10px;
    flex: 0 0 auto;
    border-radius: 50%;
    margin-top: 8px;
    background: var(--brand-cyan-500);
    box-shadow: 0 0 0 6px rgba(99,227,214,0.16);
}

.dot-yellow {
    background: var(--yellow);
    box-shadow: 0 0 0 6px rgba(240,201,59,0.18);
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
}

.feature-card,
.stat-card,
.article-card {
    padding: 24px;
}

.feature-card h3,
.stat-card h3,
.article-card h3 {
    margin: 0 0 10px;
    font-size: 1.14rem;
    line-height: 1.24;
    font-family: Ubuntu, -apple-system, BlinkMacSystemFont, sans-serif;
    color: #144067;
}

.feature-icon {
    width: 54px;
    height: 54px;
    border-radius: 16px;
    display: grid;
    place-items: center;
    margin-bottom: 16px;
    font-size: 1.1rem;
    font-weight: 700;
}

.section-light .feature-icon,
.section-white .feature-icon,
.section-soft .feature-icon {
    background: rgba(99,227,214,0.14);
    color: #10756c;
    border: 1px solid rgba(99,227,214,0.22);
}

.section-dark .feature-icon {
    background: rgba(126,240,223,0.10);
    color: var(--brand-cyan-400);
    border: 1px solid rgba(126,240,223,0.18);
}

.audience-grid {
    display: grid;
    grid-template-columns: 1fr 0.95fr;
    gap: 28px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    height: 100%;
}

.stat-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 60px;
    height: 42px;
    padding: 0 14px;
    border-radius: 999px;
    font-size: 0.95rem;
    font-weight: 700;
    margin-bottom: 14px;
}

.section-light .stat-number,
.section-white .stat-number,
.section-soft .stat-number {
    background: rgba(61,137,207,0.12);
    color: var(--brand-blue-700);
    border: 1px solid rgba(61,137,207,0.18);
}

.section-dark .stat-number {
    background: rgba(126,240,223,0.10);
    color: var(--brand-cyan-400);
    border: 1px solid rgba(126,240,223,0.18);
}

.article-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
}

.article-thumb {
    position: relative;
    height: 170px;
    margin-bottom: 18px;
    padding: 0;
    background: none;
    border: none;
    overflow: hidden;
    border-radius: var(--radius-md);
}

.article-thumb img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center center;
}

.section-light .article-thumb,
.section-white .article-thumb,
.section-soft .article-thumb,
.section-dark .article-thumb {
    background: none;
    border: none;
}

.article-card p {
    margin-bottom: 18px;
}

.article-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-weight: 700;
}

.section-light .article-link,
.section-white .article-link,
.section-soft .article-link {
    color: var(--brand-blue-700);
}

.section-light .article-link:hover,
.section-white .article-link:hover,
.section-soft .article-link:hover {
    color: #0f6780;
}

.section-dark .article-link {
    color: var(--brand-cyan-200);
}

.cta-box {
    padding: 32px;
}

.cta-box h2 {
    font-size: clamp(1.8rem, 3vw, 2.7rem);
}

.cta-box p {
    margin: 0 0 22px;
    max-width: 760px;
}

.closing-note {
    margin-top: 18px;
    font-size: 0.97rem;
}

.footer {
    padding: 58px 0 34px;
    background:
            radial-gradient(circle at right top, rgba(126,240,223,0.08), transparent 16%),
            linear-gradient(180deg, #081321, #06111d);
    border-top: 1px solid rgba(255,255,255,0.08);
    color: var(--text-light);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.9fr 0.9fr 1fr;
    gap: 24px;
}

.footer h4 {
    margin: 0 0 14px;
    font-size: 1rem;
    font-family: Ubuntu, -apple-system, BlinkMacSystemFont, sans-serif;
    color: #fff;
}

.footer p,
.footer a,
.footer li {
    color: var(--text-light-muted);
    font-size: 0.95rem;
}

.footer a:hover {
    color: var(--brand-cyan-400);
}

.footer ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: 10px;
}

.footer-bottom {
    margin-top: 28px;
    padding-top: 22px;
    border-top: 1px solid rgba(255,255,255,0.08);
    color: var(--text-light-muted);
    font-size: 0.92rem;
}

.typical-problems-image {
    margin-top: 18px;
    min-height: 230px !important;
}

.closing-title {
    font-size: clamp(2rem, 3vw, 2.9rem);
}

@media (max-width: 1100px) {
    .hero-grid,
    .grid-2,
    .audience-grid,
    .footer-grid {
        grid-template-columns: 1fr;
    }

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

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

@media (max-width: 860px) {
    .nav {
        display: none;
    }

    .mobile-nav-toggle {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        margin-left: auto;
    }

    .mobile-nav-panel {
        display: block;
    }

    .header-inner {
        display: grid;
        grid-template-columns: minmax(0, 1fr) auto;
        align-items: center;
        column-gap: 12px;
        row-gap: 10px;
        padding: 14px 0;
    }

    .logo {
        min-width: 0;
    }

    .logo-text {
        min-width: 0;
    }

    .header-actions {
        display: none;
    }

    .mobile-nav-panel {
        grid-column: 1 / -1;
    }

    .feature-grid,
    .article-grid,
    .stats-grid {
        grid-template-columns: 1fr;
    }

    .hero {
        padding-top: 58px;
    }

    .container {
        width: min(var(--container), calc(100% - 24px));
    }
}