/* ============================================================
   LOGIBRISK / LOGIVITE — GLOBAL DESIGN SYSTEM
   Pure CSS Design Tokens + Reset + Base Styles
   Color Palette Inspired by Yusen Logistics
   ============================================================ */

/* --- Google Fonts ---
   Loaded in each HTML file via:
   <link href="https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Plus+Jakarta+Sans:wght@500;600;700;800&family=Space+Grotesk:wght@500;600;700&display=swap" rel="stylesheet">
*/

/* ============================================================
   1. DESIGN TOKENS (CSS Custom Properties)
   ============================================================ */
:root {
    /* --- Color System (Yusen-Inspired: Navy + Orange + Cyan) --- */
    
    /* Backgrounds */
    --bg-main: #FFFFFF;
    --bg-light-alt: #F5F7FA;            /* Soft cool gray for alternating sections */
    --bg-dark: #FFFFFF;                 /* Deep Navy (Yusen primary) -> Changed to White */
    --bg-dark-alt: #F8FAFC;             /* Slightly lighter navy -> Changed to Soft Gray */
    --bg-white: #FFFFFF;

    /* Colors - Primary Brand (Navy & Orange) */
    --blue-primary: #06183d;            /* Deep Navy — headings, navbar, primary elements */
    --blue-secondary: #0A2350;          /* Medium Navy */
    --blue-light: #E8EEF6;             /* Light Navy tint for backgrounds */
    --blue-lighter: #D0DFEF;           /* Even lighter for hover states */
    --orange-cta: #e16d10;             /* Vibrant Orange — CTAs, accent (Yusen accent) */
    --orange-hover: #c85d0e;           /* Darker orange for hover */
    --orange-light: #FDF0E3;           /* Light orange for icon backgrounds */
    --cyan-accent: #00b9f2;            /* Light Blue/Cyan — secondary accent */

    /* Typography Colors */
    --text-main: #212529;              /* Near-black for body text (high contrast) */
    --text-heading: #06183d;           /* Deep Navy for headings */
    --text-body: #3a3f47;             /* Dark gray for body paragraphs */
    --text-muted: #5a6370;            /* Medium gray for secondary text */
    --text-light: #06183d;            /* White for text on dark backgrounds -> Changed to Navy */
    --text-on-dark: #06183d;          /* -> Changed to Navy */
    --text-on-dark-muted: rgba(6, 24, 61, 0.78); /* -> Changed to Navy muted */
    
    /* UI Elements */
    --border: #D6DCE5;                 /* Subtle gray border */
    --border-dark: #1A3A6A;
    
    /* Shadows */
    --shadow-sm: 0 1px 3px 0 rgba(6, 24, 61, 0.06);
    --shadow-md: 0 4px 12px -2px rgba(6, 24, 61, 0.1), 0 2px 4px -1px rgba(6, 24, 61, 0.04);
    --shadow-lg: 0 12px 24px -4px rgba(6, 24, 61, 0.12), 0 4px 8px -2px rgba(6, 24, 61, 0.06);
    --shadow-xl: 0 20px 40px -8px rgba(6, 24, 61, 0.16);
    --shadow-card: 0 4px 24px rgba(6, 24, 61, 0.07);
    --shadow-card-hover: 0 12px 40px rgba(6, 24, 61, 0.14);
    --shadow-glow-orange: 0 10px 30px -10px rgba(225, 109, 16, 0.45);
    --shadow-glow-blue: 0 10px 30px -10px rgba(6, 24, 61, 0.25);

    /* Utility Colors */
    --success: #198754;
    --success-light: #D1FAE5;
    --error: #cd2026;
    --error-light: #FEE2E2;
    --warning: #ffc107;
    --info: #00b9f2;

    /* --- Typography --- */
    --font-heading: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'Space Grotesk', monospace;

    /* Font Sizes (Increased for better readability) */
    --text-xs: 0.8125rem;     /* 13px */
    --text-sm: 0.875rem;      /* 14px */
    --text-base: 1rem;        /* 16px */
    --text-lg: 1.125rem;      /* 18px */
    --text-xl: 1.25rem;       /* 20px */
    --text-2xl: 1.5rem;       /* 24px */
    --text-3xl: 1.875rem;     /* 30px */
    --text-4xl: 2.25rem;      /* 36px */
    --text-5xl: 2.75rem;      /* 44px */
    --text-6xl: 3.25rem;      /* 52px */

    /* Line Heights */
    --leading-tight: 1.2;
    --leading-snug: 1.35;
    --leading-normal: 1.65;
    --leading-relaxed: 1.8;

    /* --- Spacing (8px grid) --- */
    --space-1: 0.25rem;    /* 4px */
    --space-2: 0.5rem;     /* 8px */
    --space-3: 0.75rem;    /* 12px */
    --space-4: 1rem;       /* 16px */
    --space-5: 1.25rem;    /* 20px */
    --space-6: 1.5rem;     /* 24px */
    --space-8: 2rem;       /* 32px */
    --space-10: 2.5rem;    /* 40px */
    --space-12: 3rem;      /* 48px */
    --space-16: 4rem;      /* 64px */
    --space-20: 5rem;      /* 80px */
    --space-24: 6rem;      /* 96px */
    --space-32: 8rem;      /* 128px */

    /* --- Layout --- */
    --container-max: 1200px;
    --container-wide: 1400px;
    --container-narrow: 800px;
    --container-padding: 1.5rem;

    /* --- Borders & Radius --- */
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-2xl: 24px;
    --radius-full: 9999px;

    /* --- Transitions --- */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms ease;
    --transition-spring: 400ms cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* ============================================================
   2. CSS RESET (Modern Minimal)
   ============================================================ */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: var(--font-body);
    background-color: var(--bg-main);
    color: var(--text-main);
    line-height: var(--leading-normal);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    cursor: url('../images/spacecraft.svg') 0 0, auto;
}

a, button, .btn, .tabs__btn, .js-accordion, .form__control {
    cursor: url('../images/spacecraft.svg') 0 0, pointer !important;
}

img,
picture,
video,
canvas,
svg {
    display: block;
    max-width: 100%;
    height: auto;
}

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

button {
    cursor: pointer;
    border: none;
    background: none;
}

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

ul,
ol {
    list-style: none;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--text-heading);
    line-height: var(--leading-tight);
    font-weight: 700;
    text-wrap: balance;
}

p {
    text-wrap: pretty;
}

/* Remove default button/link focus outline, add custom */
:focus-visible {
    outline: 2px solid var(--cyan-accent);
    outline-offset: 2px;
    border-radius: var(--radius-sm);
}

/* ============================================================
   3. BASE TYPOGRAPHY
   ============================================================ */
h1 {
    font-size: var(--text-6xl);
    font-weight: 800;
    letter-spacing: -0.025em;
}

h2 {
    font-size: var(--text-4xl);
    font-weight: 700;
    letter-spacing: -0.02em;
}

h3 {
    font-size: var(--text-2xl);
    font-weight: 600;
}

h4 {
    font-size: var(--text-xl);
    font-weight: 600;
}

h5 {
    font-size: var(--text-lg);
    font-weight: 600;
}

h6 {
    font-size: var(--text-base);
    font-weight: 600;
}

p {
    font-size: var(--text-base);
    line-height: var(--leading-normal);
    color: var(--text-body);
}

p + p {
    margin-top: var(--space-4);
}

small {
    font-size: var(--text-sm);
    color: var(--text-muted);
}

strong {
    font-weight: 600;
}

/* ============================================================
   4. LAYOUT — CONTAINER
   ============================================================ */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--container-padding);
    padding-right: var(--container-padding);
}

.container--wide {
    max-width: var(--container-wide);
}

.container--narrow {
    max-width: var(--container-narrow);
}

/* ============================================================
   5. SECTION BASE STYLES
   ============================================================ */
.section {
    padding: var(--space-24) 0;
    position: relative;
}

.section--light {
    background-color: var(--bg-main);
}

.section--white {
    background-color: var(--bg-white);
}

.section--light-alt {
    background-color: var(--bg-light-alt);
}

.section--dark {
    background-color: var(--bg-dark);
    color: var(--text-light);
}

.section--dark h1,
.section--dark h2,
.section--dark h3,
.section--dark h4,
.section--dark h5,
.section--dark h6 {
    color: var(--text-light);
}

.section--dark p {
    color: var(--text-on-dark-muted);
    opacity: 1;
}

.section--dark-alt {
    background-color: var(--bg-dark-alt);
    color: var(--text-light);
}

.section--dark-alt h1,
.section--dark-alt h2,
.section--dark-alt h3,
.section--dark-alt h4,
.section--dark-alt h5,
.section--dark-alt h6 {
    color: var(--text-light);
}

.section--dark-alt p {
    color: var(--text-on-dark-muted);
    opacity: 1;
}

.section--gradient {
    background: linear-gradient(135deg, #06183d 0%, #0A2350 50%, #0d3068 100%);
    color: var(--text-light);
}

.section--gradient h1,
.section--gradient h2,
.section--gradient h3,
.section--gradient p {
    color: var(--text-light);
}

/* Section compact variant for hero-like sections */
.section--compact {
    padding: var(--space-16) 0;
}

/* ============================================================
   6. SECTION HEADING PATTERN
   ============================================================ */
.section-header {
    text-align: center;
    max-width: 720px;
    margin: 0 auto var(--space-16);
}

.section-header__label {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: var(--text-lg);
    font-weight: 600;
    color: var(--orange-cta);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-4);
}

.section--dark .section-header__label,
.section--dark-alt .section-header__label {
    color: var(--orange-cta);
}

.section--light .section-header__label,
.section--light-alt .section-header__label,
.section--white .section-header__label {
    color: var(--orange-cta);
}

.section-header__title {
    margin-bottom: var(--space-5);
}

.section-header__subtitle {
    font-size: var(--text-lg);
    color: var(--text-muted);
    line-height: var(--leading-relaxed);
}

.section-header__desc {
    font-size: var(--text-lg);
    color: var(--text-muted);
    line-height: var(--leading-relaxed);
}

.section--dark .section-header__subtitle,
.section--dark-alt .section-header__subtitle {
    color: var(--text-on-dark-muted);
}

/* Left-aligned variant */
.section-header--left {
    text-align: left;
    margin-left: 0;
}

/* ============================================================
   7. BUTTON SYSTEM
   ============================================================ */

/* Base button */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: 14px 32px;
    font-family: var(--font-body);
    font-size: var(--text-base);
    font-weight: 600;
    line-height: 1;
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    white-space: nowrap;
    text-decoration: none;
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}

.btn--primary {
    background-color: var(--orange-cta);
    color: #FFFFFF;
    border-color: var(--orange-cta);
    font-weight: 700;
}

.btn--primary:hover {
    background-color: var(--orange-hover);
    border-color: var(--orange-hover);
    color: #FFFFFF;
    box-shadow: var(--shadow-glow-orange);
}

.btn--primary:active {
}

/* Secondary — Deep Navy */
.btn--secondary {
    background-color: var(--blue-primary);
    color: var(--text-light);
    border-color: var(--blue-primary);
}

.btn--secondary:hover {
    background-color: var(--blue-primary);
    border-color: var(--blue-primary);
    box-shadow: var(--shadow-glow-blue);
}

.btn--secondary:active {
}

/* Outline — Ghost */
.btn--outline {
    background-color: transparent;
    color: var(--blue-primary);
    border-color: var(--blue-primary);
}

.btn--outline:hover {
    background-color: var(--blue-primary);
    color: var(--bg-white);
}

/* Outline on dark */
.btn--outline-light {
    background-color: transparent;
    color: #FFFFFF;
    border-color: rgba(255, 255, 255, 0.4);
}

.btn--outline-light:hover {
    background-color: rgba(255, 255, 255, 0.12);
    border-color: rgba(255, 255, 255, 0.7);
    color: #FFFFFF;
}

/* White button (for gradient/dark sections) */
.btn--white {
    background-color: var(--bg-white);
    color: var(--blue-primary);
    border-color: var(--bg-white);
    font-weight: 700;
}

.btn--white:hover {
    background-color: var(--bg-light-alt);
    box-shadow: var(--shadow-lg);
}

/* Small button */
.btn--sm {
    padding: 10px 20px;
    font-size: var(--text-sm);
}

/* Large button */
.btn--lg {
    padding: 18px 40px;
    font-size: var(--text-lg);
}

/* Button with arrow icon */
.btn__icon {
    width: 18px;
    height: 18px;
    transition: transform var(--transition-fast);
}

.btn:hover .btn__icon {
    transform: translateX(4px);
}

/* ============================================================
   8. TEXT LINK STYLES
   ============================================================ */
.link {
    color: var(--blue-primary);
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    transition: color var(--transition-fast);
}

.link:hover {
    color: var(--orange-cta);
}

.link--arrow::after {
    content: '→';
    transition: transform var(--transition-fast);
}

.link--arrow:hover::after {
    transform: translateX(4px);
}

/* ============================================================
   9. GRID UTILITIES
   ============================================================ */
.grid {
    display: grid;
    gap: var(--space-8);
}

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

.grid--3 {
    grid-template-columns: repeat(3, 1fr);
}

.grid--4 {
    grid-template-columns: repeat(4, 1fr);
}

.grid--5 {
    grid-template-columns: repeat(5, 1fr);
}

.grid--2-1 {
    grid-template-columns: 2fr 1fr;
}

.grid--1-2 {
    grid-template-columns: 1fr 2fr;
}

.grid--split {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
    align-items: center;
}

/* ============================================================
   10. FLEX UTILITIES
   ============================================================ */
.flex {
    display: flex;
}

.flex--center {
    display: flex;
    align-items: center;
    justify-content: center;
}

.flex--between {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.flex--col {
    display: flex;
    flex-direction: column;
}

.flex--gap-sm {
    gap: var(--space-2);
}

.flex--gap-md {
    gap: var(--space-4);
}

.flex--gap-lg {
    gap: var(--space-6);
}

.flex--gap-xl {
    gap: var(--space-8);
}

/* ============================================================
   11. BADGE / TAG
   ============================================================ */
.badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    padding: 4px 14px;
    font-size: var(--text-xs);
    font-weight: 600;
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.badge--blue {
    background-color: var(--blue-light);
    color: var(--blue-primary);
}

.badge--orange {
    background-color: var(--orange-light);
    color: var(--orange-cta);
}

.badge--success {
    background-color: var(--success-light);
    color: #065F46;
}

/* ============================================================
   12. ICON WRAPPER
   ============================================================ */
.icon-box {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: var(--radius-lg);
    flex-shrink: 0;
}

.icon-box--blue {
    background-color: var(--blue-light);
    color: var(--blue-primary);
}

.icon-box--dark {
    background-color: var(--bg-dark-alt);
    color: var(--cyan-accent);
}

.icon-box--orange {
    background-color: var(--orange-light);
    color: var(--orange-cta);
}

.icon-box--lg {
    width: 64px;
    height: 64px;
}

.icon-box svg {
    width: 24px;
    height: 24px;
}

.icon-box--lg svg {
    width: 32px;
    height: 32px;
}

/* ============================================================
   13. DIVIDER
   ============================================================ */
.divider {
    width: 100%;
    height: 1px;
    background-color: var(--border);
    border: none;
}

.divider--dark {
    background-color: var(--border-dark);
}

/* ============================================================
   14. VISUALLY HIDDEN (Accessibility)
   ============================================================ */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* ============================================================
   15. TEXT UTILITIES
   ============================================================ */
.text-center {
    text-align: center;
}

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

.text-blue { color: var(--blue-primary); }
.text-orange { color: var(--orange-cta); }
.text-muted { color: var(--text-muted); }
.text-white { color: var(--text-light); }
.text-cyan { color: var(--cyan-accent); }

.text-success {
    color: var(--success);
}

.text-sm { font-size: var(--text-sm); }
.text-base { font-size: var(--text-base); }
.text-lg { font-size: var(--text-lg); }
.text-xl { font-size: var(--text-xl); }
.text-2xl { font-size: var(--text-2xl); }
.text-3xl { font-size: var(--text-3xl); }
.text-4xl { font-size: var(--text-4xl); }

.font-semibold { font-weight: 600; }

.text-on-dark-muted {
    color: var(--text-on-dark-muted);
}

/* ============================================================
   16. SPACING UTILITIES
   ============================================================ */
.mt-2 { margin-top: var(--space-2); }
.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }
.mt-8 { margin-top: var(--space-8); }
.mt-10 { margin-top: var(--space-10); }
.mt-12 { margin-top: var(--space-12); }

.mb-2 { margin-bottom: var(--space-2); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }
.mb-10 { margin-bottom: var(--space-10); }
.mb-12 { margin-bottom: var(--space-12); }

.pt-0 { padding-top: 0 !important; }
.pb-0 { padding-bottom: 0 !important; }

/* ============================================================
   17. SELECTION STYLES
   ============================================================ */
::selection {
    background-color: var(--blue-light);
    color: var(--blue-primary);
}

/* ============================================================
   18. SCROLLBAR STYLES
   ============================================================ */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-light-alt);
}

::-webkit-scrollbar-thumb {
    background: var(--blue-light);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* ============================================================
   19. FAQ ACCORDION SPACING OVERRIDES
   ============================================================ */
.faq-column .js-accordion {
    margin-bottom: var(--space-6);
}

.faq-column .js-accordion:last-child {
    margin-bottom: 0;
}