/*
Art direction: premium flight booking brand with a trustworthy, conversion-focused travel experience.
Palette: deep aviation navy + emerald teal accent + soft cloud neutrals.
Typography: Urbanist for display, DM Sans for body.
Density: balanced and spacious for premium lead capture pages.
*/

:root,
[data-theme="light"] {
    --font-display: 'Urbanist', 'Segoe UI', sans-serif;
    --font-body: 'DM Sans', 'Segoe UI', sans-serif;

    --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
    --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
    --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
    --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
    --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
    --text-2xl: clamp(2rem, 1.2rem + 2.5vw, 3.75rem);

    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;

    --color-bg: #f4f8fb;
    --color-surface: #ffffff;
    --color-surface-2: #edf4f7;
    --color-surface-offset: #deedf1;
    --color-border: rgba(11, 53, 74, 0.12);
    --color-divider: rgba(11, 53, 74, 0.09);

    --color-text: #102a43;
    --color-text-muted: #52667a;
    --color-text-faint: #8494a5;
    --color-text-inverse: #f8fbff;

    --color-primary: #159a9c;
    --color-primary-hover: #0f7c7e;
    --color-primary-active: #0a6061;
    --color-primary-soft: #d6f2f2;
    --color-secondary: #0f4c5c;
    --color-secondary-hover: #0c3945;
    --color-accent: #f4b942;
    --color-accent-soft: #fff4da;
    --color-success: #2f855a;
    --color-danger: #c0392b;

    --radius-sm: 0.375rem;
    --radius-md: 0.75rem;
    --radius-lg: 1.25rem;
    --radius-xl: 1.75rem;
    --radius-pill: 999px;

    --shadow-sm: 0 10px 30px rgba(15, 76, 92, 0.08);
    --shadow-md: 0 16px 40px rgba(15, 76, 92, 0.12);
    --shadow-lg: 0 24px 60px rgba(16, 42, 67, 0.18);

    --gradient-hero: linear-gradient(135deg, rgba(15, 76, 92, 0.98), rgba(21, 154, 156, 0.88));
    --gradient-soft: linear-gradient(135deg, rgba(214, 242, 242, 0.78), rgba(255, 244, 218, 0.78));
    --transition-base: 220ms cubic-bezier(0.16, 1, 0.3, 1);
}

[data-theme="dark"] {
    --color-bg: #081823;
    --color-surface: #0e2432;
    --color-surface-2: #122b3c;
    --color-surface-offset: #173445;
    --color-border: rgba(220, 239, 249, 0.12);
    --color-divider: rgba(220, 239, 249, 0.08);

    --color-text: #e3f0f7;
    --color-text-muted: #b7c9d4;
    --color-text-faint: #88a4b4;
    --color-text-inverse: #081823;

    --color-primary: #38c7c9;
    --color-primary-hover: #65d7d8;
    --color-primary-active: #1ca6a8;
    --color-primary-soft: rgba(56, 199, 201, 0.12);
    --color-secondary: #d8eef9;
    --color-secondary-hover: #ffffff;
    --color-accent: #f3c969;
    --color-accent-soft: rgba(243, 201, 105, 0.12);

    --shadow-sm: 0 10px 30px rgba(0, 0, 0, 0.22);
    --shadow-md: 0 16px 40px rgba(0, 0, 0, 0.28);
    --shadow-lg: 0 24px 60px rgba(0, 0, 0, 0.35);

    --gradient-hero: linear-gradient(135deg, rgba(8, 24, 35, 0.98), rgba(16, 77, 95, 0.98));
    --gradient-soft: linear-gradient(135deg, rgba(56, 199, 201, 0.12), rgba(243, 201, 105, 0.12));
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 90px;
}

body {
    margin: 0;
    min-height: 100vh;
    font-family: var(--font-body);
    font-size: var(--text-base);
    line-height: 1.65;
    color: var(--color-text);
    background: radial-gradient(circle at top right, rgba(21, 154, 156, 0.10), transparent 24%), var(--color-bg);
}

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

a {
    color: inherit;
    text-decoration: none;
    transition: all var(--transition-base);
}

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

button,
input,
select,
textarea {
    font: inherit;
}

:focus-visible {
    outline: 3px solid rgba(21, 154, 156, 0.35);
    outline-offset: 3px;
}

.skip-link {
    position: absolute;
    left: -999px;
    top: 0;
    z-index: 9999;
    background: var(--color-secondary);
    color: #fff;
    padding: 0.75rem 1rem;
}

.skip-link:focus {
    left: 1rem;
    top: 1rem;
    border-radius: var(--radius-md);
}

.topbar {
    background: var(--color-secondary);
    color: rgba(255, 255, 255, 0.92);
    font-size: var(--text-sm);
}

.topbar-link,
.topbar-text,
.topbar-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
}

.topbar-link:hover {
    color: #ffffff;
}

.topbar-badge {
    padding: 0.4rem 0.9rem;
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-pill);
}

.social-links a,
.theme-toggle {
    width: 2.5rem;
    height: 2.5rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.social-links a:hover,
.theme-toggle:hover {
    background: rgba(255, 255, 255, 0.18);
    transform: translateY(-2px);
    color: #fff;
}

.site-header {
    background: rgba(255, 255, 255, 0.88);
    backdrop-filter: blur(18px);
    border-bottom: 1px solid var(--color-divider);
}

[data-theme="dark"] .site-header {
    background: rgba(8, 24, 35, 0.88);
}

.navbar {
    padding: 1rem 0;
}

.navbar-brand,
.footer-brand {
    display: inline-flex;
    align-items: center;
    gap: 0.9rem;
    color: var(--color-secondary);
}

.brand-mark {
    width: 3rem;
    height: 3rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    background: var(--gradient-soft);
    border-radius: 50%;
    box-shadow: inset 0 0 0 1px rgba(21, 154, 156, 0.16);
}

.brand-kicker {
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    color: var(--color-text-muted);
    margin-bottom: 0.15rem;
}

.navbar-brand strong,
.footer-brand strong {
    display: block;
    font-family: var(--font-display);
    font-size: 1.15rem;
    line-height: 1.1;
}

.navbar-nav {
    gap: 0.35rem;
}

.nav-link {
    font-weight: 700;
    color: var(--color-text);
    padding: 0.85rem 1rem !important;
    border-radius: var(--radius-pill);
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-primary);
    background: rgba(21, 154, 156, 0.08);
}

.btn {
    border-radius: var(--radius-pill);
    padding: 0.9rem 1.5rem;
    font-weight: 700;
    transition: all var(--transition-base);
}

.btn-brand {
    color: #fff;
    border: 1px solid var(--color-primary);
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    box-shadow: var(--shadow-sm);
}

.btn-brand:hover,
.btn-brand:focus {
    color: #fff;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-outline-brand {
    color: var(--color-secondary);
    border: 1px solid rgba(15, 76, 92, 0.18);
    background: var(--color-surface);
}

.btn-outline-brand:hover,
.btn-outline-brand:focus {
    color: #fff;
    background: var(--color-secondary);
    border-color: var(--color-secondary);
}

.section-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.45rem 0.9rem;
    margin-bottom: 1rem;
    background: var(--color-primary-soft);
    color: var(--color-primary);
    border-radius: var(--radius-pill);
    font-size: var(--text-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.16em;
}

.section-eyebrow::before {
    content: '';
    width: 0.6rem;
    height: 0.6rem;
    border-radius: 50%;
    background: currentColor;
}

.site-footer {
    position: relative;
    margin-top: var(--space-24);
    padding-top: 0;
    color: #eaf7fb;
    background: linear-gradient(180deg, #0f4c5c 0%, #0a2f3c 100%);
}

.footer-cta {
    transform: translateY(-70px);
    margin-bottom: -20px;
}

.cta-panel {
    padding: clamp(2rem, 3vw, 3rem);
    border-radius: var(--radius-xl);
    background: linear-gradient(135deg, rgba(21, 154, 156, 1), rgba(15, 76, 92, 1));
    color: #fff;
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    position: relative;
}

.cta-panel::after {
    content: '';
    position: absolute;
    inset: auto -60px -100px auto;
    width: 220px;
    height: 220px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.12);
}

.cta-panel h2 {
    font-family: var(--font-display);
    font-size: var(--text-xl);
    font-weight: 800;
    line-height: 1.15;
}

.cta-panel p {
    max-width: 60ch;
    color: rgba(255, 255, 255, 0.86);
}

.site-footer .btn-light {
    color: var(--color-secondary);
    font-weight: 800;
}

.site-footer .btn-outline-light {
    border-width: 1.5px;
}

.footer-main {
    padding: 3rem 0 2rem;
}

.footer-copy {
    margin: 1.25rem 0;
    color: rgba(234, 247, 251, 0.8);
}

.footer-contact-list,
.footer-links,
.footer-socials {
    display: grid;
    gap: 0.85rem;
}

.footer-contact-list a,
.footer-links a {
    color: rgba(234, 247, 251, 0.82);
}

.footer-contact-list a i {
    color: var(--color-accent);
    margin-right: 0.6rem;
}

.footer-links a:hover,
.footer-contact-list a:hover {
    color: #fff;
    transform: translateX(4px);
}

.site-footer h5 {
    margin-bottom: 1.1rem;
    font-family: var(--font-display);
    font-size: 1.05rem;
    font-weight: 700;
    color: #fff;
}

.footer-socials {
    grid-auto-flow: column;
    justify-content: start;
    margin-top: 1.25rem;
}

.footer-socials a {
    width: 2.8rem;
    height: 2.8rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    color: #fff;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-socials a:hover {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: #fff;
    transform: translateY(-2px);
}

.footer-bottom {
    padding: 1.5rem 0 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    color: rgba(234, 247, 251, 0.72);
    font-size: var(--text-sm);
}

.footer-note {
    max-width: 54ch;
}

.form-control,
.form-select {
    min-height: 54px;
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    background-color: var(--color-surface);
    color: var(--color-text);
    padding: 0.85rem 1rem;
}

.form-control::placeholder {
    color: var(--color-text-faint);
}

.form-control:focus,
.form-select:focus {
    border-color: rgba(21, 154, 156, 0.45);
    box-shadow: 0 0 0 0.25rem rgba(21, 154, 156, 0.15);
}
a.footer-brand img {
    max-width: 200px;
}
.card-soft {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    padding: 12px;
}
.feature-box p {
    font-size: 14px;
}


.glass-card {
    background: rgba(255, 255, 255, 0.72);
    backdrop-filter: blur(18px);
    border: 1px solid rgba(255, 255, 255, 0.45);
    box-shadow: var(--shadow-md);
    border-radius: var(--radius-xl);
}

[data-theme="dark"] .glass-card {
    background: rgba(14, 36, 50, 0.75);
    border-color: rgba(220, 239, 249, 0.1);
}

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

.icon-badge {
    width: 3.25rem;
    height: 3.25rem;
    border-radius: 1rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    color: var(--color-secondary);
    background: var(--gradient-soft);
}

.py-section {
    padding: clamp(4rem, 7vw, 6rem) 0;
}

@media (max-width: 991.98px) {
    .navbar-collapse {
        margin-top: 1rem;
        padding: 1rem;
        background: var(--color-surface);
        border: 1px solid var(--color-border);
        border-radius: var(--radius-lg);
        box-shadow: var(--shadow-md);
    }

    [data-theme="dark"] .navbar-collapse {
        background: var(--color-surface);
    }

    .header-actions {
        margin-top: 1rem;
    }

    .footer-cta {
        transform: translateY(-40px);
    }
}

@media (max-width: 767.98px) {
    .topbar-info,
    .social-links {
        gap: 0.75rem !important;
    }

    .topbar-badge {
        font-size: 0.78rem;
    }

    .site-header .container,
    .topbar .container,
    .site-footer .container {
        padding-left: 1rem;
        padding-right: 1rem;
    }

    .cta-panel {
        text-align: left;
    }

    .footer-bottom {
        padding-bottom: 2.5rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}