/* ==========================================================================
   FlyBeep Public Website — Design System & Stylesheet
   Brand Colours: Crimson (#CC2B24), Charcoal (#434343), White & Slate surfaces
   ATOL & IATA Protected Travel Agency (UK)
   ========================================================================== */

/* --- Font Definitions (Local font files, zero CDN dependencies) --- */
@font-face {
    font-family: 'Inter';
    font-style: normal;
    font-weight: 400;
    font-display: swap;
    src: url('../../fonts/Inter-latin-400.woff') format('woff');
}

@font-face {
    font-family: 'Inter';
    font-style: normal;
    font-weight: 700;
    font-display: swap;
    src: url('../../fonts/Inter-latin-700.woff') format('woff');
}

/* --- CSS Variables & Design Tokens (Light Mode Default) --- */
:root {
    /* Brand palette */
    --pub-red: #CC2B24;
    --pub-red-hover: #A8201A;
    --pub-red-soft: #FF6B63;
    --pub-charcoal: #434343;
    --pub-gold: #D97706;
    --pub-green: #10B981;
    --pub-whatsapp: #25D366;

    /* Light Theme Surfaces & Text */
    --pub-bg: #F5F6F8;
    --pub-surface: #FFFFFF;
    --pub-surface-card: #FFFFFF;
    --pub-surface-subtle: #F5F6F8;
    --pub-surface-muted: #EEF0F3;
    --pub-surface-hover: #E4E6EA;
    --pub-surface-deep: #EEF0F3;

    --pub-text: #14161A;
    --pub-text-heading: #14161A;
    --pub-text-muted: #5B6068;
    --pub-text-subtle: #656B75;

    --pub-border: #E4E6EA;
    --pub-border-strong: #C3C8D0;
    --pub-line: #D5D9DF;
    --pub-red-text: #CC2B24;

    --pub-border-focus: var(--pub-red);
    --pub-focus-ring: rgba(204, 43, 36, 0.2);

    --pub-card-text: #14161A;
    --pub-card-muted: #5B6068;
    --pub-card-border: #E4E6EA;
    --pub-card-field: #FFFFFF;

    /* Layout & Sizing */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    --pub-font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    --pub-font-display: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    --min-tap: 44px;
    --control-height: 44px;
    --pub-control-height: 3.5rem;
    --pub-gutter: clamp(1.25rem, 4vw, 6rem);
    --pub-gap: clamp(1rem, 1.6vw, 2rem);

    --pub-radius-sm: 6px;
    --pub-radius-md: 10px;
    --pub-radius-lg: 16px;
    --pub-radius-xl: 24px;
    --pub-radius-pill: 9999px;
    --pub-radius-card: 1.5rem;
    --pub-radius-field: 0.875rem;

    /* Elevation & Shadows */
    --pub-shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.06);
    --pub-shadow-md: 0 4px 16px -2px rgba(15, 23, 42, 0.08), 0 2px 6px -1px rgba(15, 23, 42, 0.04);
    --pub-shadow-lg: 0 16px 36px -4px rgba(15, 23, 42, 0.12), 0 4px 12px -2px rgba(15, 23, 42, 0.06);
    --pub-shadow-glow: 0 0 24px rgba(204, 43, 36, 0.25);

    /* Transitions */
    --pub-transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

/* --- Dark Theme Variables --- */
[data-theme="dark"] {
    --pub-bg: #1B1D21;
    --pub-surface: #24272D;
    --pub-surface-card: #24272D;
    --pub-surface-subtle: #20232A;
    --pub-surface-muted: #2B2F36;
    --pub-surface-hover: #30343C;
    --pub-surface-deep: #14161A;

    --pub-text: #FFFFFF;
    --pub-text-heading: #FFFFFF;
    --pub-text-muted: #C9CDD3;
    --pub-text-subtle: #9BA1AA;

    --pub-border: #2F333A;
    --pub-border-strong: #4A4F58;
    --pub-line: #3A3E46;
    --pub-red-text: #FF6B63;
    --pub-red: #CC2B24;

    --pub-border-focus: var(--pub-red-soft);
    --pub-focus-ring: rgba(255, 107, 99, 0.25);

    --pub-shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.4);
    --pub-shadow-md: 0 4px 16px rgba(0, 0, 0, 0.45);
    --pub-shadow-lg: 0 16px 36px rgba(0, 0, 0, 0.6);
}

@media (prefers-color-scheme: dark) {
:root:not([data-theme="light"]) {
        --pub-bg: #1B1D21;
        --pub-surface: #24272D;
        --pub-surface-card: #24272D;
        --pub-surface-subtle: #20232A;
        --pub-surface-muted: #2B2F36;
        --pub-surface-hover: #30343C;
        --pub-surface-deep: #14161A;

        --pub-text: #FFFFFF;
        --pub-text-heading: #FFFFFF;
        --pub-text-muted: #C9CDD3;
        --pub-text-subtle: #9BA1AA;

        --pub-border: #2F333A;
        --pub-border-strong: #4A4F58;
        --pub-line: #3A3E46;
        --pub-red-text: #FF6B63;
        --pub-red: #CC2B24;

        --pub-border-focus: var(--pub-red-soft);
        --pub-focus-ring: rgba(255, 107, 99, 0.25);

        --pub-shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.4);
        --pub-shadow-md: 0 4px 16px rgba(0, 0, 0, 0.45);
        --pub-shadow-lg: 0 16px 36px rgba(0, 0, 0, 0.6);
    }

}

/* Explicit Light Theme override */
[data-theme="light"] {
    --pub-bg: #F5F6F8;
    --pub-surface: #FFFFFF;
    --pub-surface-card: #FFFFFF;
    --pub-surface-subtle: #F5F6F8;
    --pub-surface-muted: #EEF0F3;
    --pub-surface-hover: #E4E6EA;
    --pub-surface-deep: #EEF0F3;

    --pub-text: #14161A;
    --pub-text-heading: #14161A;
    --pub-text-muted: #5B6068;
    --pub-text-subtle: #656B75;

    --pub-border: #E4E6EA;
    --pub-border-strong: #C3C8D0;
    --pub-line: #D5D9DF;
    --pub-red-text: #CC2B24;
    --pub-red: #CC2B24;

    --pub-border-focus: var(--pub-red);
    --pub-focus-ring: rgba(204, 43, 36, 0.2);

    --pub-shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.06);
    --pub-shadow-md: 0 4px 16px -2px rgba(15, 23, 42, 0.08);
    --pub-shadow-lg: 0 16px 36px -4px rgba(15, 23, 42, 0.12);
}

/* --- Universal Reset & Base Styles --- */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    background-color: var(--pub-bg);
    color: var(--pub-text);
    font-family: var(--pub-font-sans);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
}

/* Headings */
h1,
h2,
h3,
h4 {
    font-family: var(--pub-font-display);
    font-weight: 700;
    letter-spacing: -0.03em;
    color: var(--pub-text-heading);
}

a {
    color: var(--pub-red-text);
    text-decoration: none;
    transition: var(--pub-transition);
}

a:hover {
    color: var(--pub-red-hover);
}

[data-theme="dark"] a:hover {
    color: var(--pub-red-soft);
}

@media (prefers-color-scheme: dark) {
:root:not([data-theme="light"]) a:hover {
        color: var(--pub-red-soft);
    }

}

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

button,
input,
select,
textarea {
    font-family: inherit;
    font-size: inherit;
    color: inherit;
}

/* Accessible focus outline */
:focus-visible {
    outline: 2px solid var(--pub-border-focus);
    outline-offset: 2px;
}

/* Container */
.pub-container {
    width: 100%;
    padding-inline: var(--pub-gutter);
    margin-inline: auto;
}

/* Buttons */
.pub-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    min-height: var(--pub-control-height);
    padding: 0 1.25rem;
    border-radius: var(--pub-radius-pill);
    font-weight: 600;
    font-size: 0.9375rem;
    cursor: pointer;
    border: 1px solid transparent;
    transition: var(--pub-transition);
    white-space: nowrap;
    text-align: center;
}

.pub-btn-primary {
    background-color: var(--pub-red);
    color: #ffffff !important;
}

.pub-btn-primary:hover {
    background-color: var(--pub-red-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(204, 43, 36, 0.25);
}

.pub-btn-outline {
    background-color: transparent;
    border-color: var(--pub-border-strong);
    color: var(--pub-text);
}

.pub-btn-outline:hover {
    border-color: var(--pub-red-text);
    color: var(--pub-red-text);
    background-color: var(--pub-surface-muted);
}

.pub-btn-call {
    background-color: var(--pub-red);
    color: #ffffff !important;
    font-weight: 700;
    box-shadow: 0 2px 8px rgba(204, 43, 36, 0.25);
}

.pub-btn-call:hover {
    background-color: var(--pub-red-hover);
    transform: translateY(-1px);
}

/* ==========================================================================
   Traveller Testimonials
   ========================================================================== */
.pub-testimonials {
    padding: 4.5rem 0;
    background-color: var(--pub-surface-subtle);
}

.pub-testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.75rem;
}

.pub-testimonial-card {
    background-color: var(--pub-surface-card);
    border: 1px solid var(--pub-border);
    border-radius: var(--pub-radius-lg);
    padding: 2rem;
    display: flex;
    flex-direction: column;
    box-shadow: var(--pub-shadow-sm);
}

.pub-test-stars {
    display: flex;
    gap: 0.2rem;
    color: var(--pub-gold);
    margin-bottom: 1rem;
}

.pub-test-quote {
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--pub-text);
    font-style: italic;
    margin-bottom: 1.5rem;
    flex: 1;
}

.pub-test-author {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 1rem;
    border-top: 1px solid var(--pub-border);
}

.pub-test-name {
    font-weight: 700;
    font-size: 0.9375rem;
    color: var(--pub-text-heading);
}

.pub-test-route {
    font-size: 0.8125rem;
    color: var(--pub-text-muted);
}

.pub-test-verified {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    font-size: 0.75rem;
    color: var(--pub-green);
    font-weight: 600;
}

/* ==========================================================================
   Mobile Responsiveness (Strict 375px & Breakpoints)
   ========================================================================== */
@media (max-width: 1024px) {
.pub-testimonials-grid {
        grid-template-columns: 1fr;
    }

}

/* ==========================================================================
   Shared Secondary Page Utilities & 375px Mobile Overflow Safeguards
   ========================================================================== */
html,
body {
    overflow-x: hidden;
    max-width: 100vw;
}

.pub-container,
.pub-grid-3 > *,
.pub-grid-2 > * {
    min-width: 0;
}

.pub-grid-2 {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.25rem;
}

.pub-grid-3 {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.5rem;
}

.text-center {
    text-align: center;
}

@media (max-width: 900px) {
.pub-grid-3 {
        grid-template-columns: 1fr;
    }

}

@media (max-width: 640px) {
.pub-grid-2 {
        grid-template-columns: 1fr;
    }

}