/* ========================================================================
   Variables
   ======================================================================== */
:root {
  /* Brand Colors */
  --color-background: #ffffff;
  --color-surface: #f7f8fb;
  --color-surface-elevated: #ffffff;

  --color-text: #121826;
  --color-text-muted: #6b7280;

  --color-primary: #0b2559; /* deep navy */
  --color-primary-soft: #1c325f;
  --color-primary-contrast: #ffffff;

  --color-accent-gold: #c9a14a; /* premium gold */
  --color-accent-gold-soft: rgba(201, 161, 74, 0.12);

  --color-success: #12b981;
  --color-warning: #f59e0b;
  --color-danger: #ef4444;

  /* Neutral Grays */
  --color-gray-50: #f9fafb;
  --color-gray-100: #f3f4f6;
  --color-gray-200: #e5e7eb;
  --color-gray-300: #d1d5db;
  --color-gray-400: #9ca3af;
  --color-gray-500: #6b7280;
  --color-gray-600: #4b5563;
  --color-gray-700: #374151;
  --color-gray-800: #1f2933;
  --color-gray-900: #111827;

  /* Typography */
  --font-sans: 'Poppins', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-serif: 'Playfair Display', 'Times New Roman', serif;

  --font-size-xs: 0.75rem;   /* 12px */
  --font-size-sm: 0.875rem;  /* 14px */
  --font-size-md: 1rem;      /* 16px */
  --font-size-lg: 1.125rem;  /* 18px */
  --font-size-xl: 1.25rem;   /* 20px */
  --font-size-2xl: 1.5rem;   /* 24px */
  --font-size-3xl: 1.875rem; /* 30px */
  --font-size-4xl: 2.25rem;  /* 36px */
  --font-size-5xl: 3rem;     /* 48px */

  --line-height-tight: 1.1;
  --line-height-snug: 1.25;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.7;

  /* Spacing scale (0–96px) */
  --space-0: 0;
  --space-4: 0.25rem;   /* 4px */
  --space-8: 0.5rem;    /* 8px */
  --space-12: 0.75rem;  /* 12px */
  --space-16: 1rem;     /* 16px */
  --space-20: 1.25rem;  /* 20px */
  --space-24: 1.5rem;   /* 24px */
  --space-32: 2rem;     /* 32px */
  --space-40: 2.5rem;   /* 40px */
  --space-48: 3rem;     /* 48px */
  --space-64: 4rem;     /* 64px */
  --space-80: 5rem;     /* 80px */
  --space-96: 6rem;     /* 96px */

  /* Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-full: 999px;

  /* Shadows */
  --shadow-soft: 0 10px 30px rgba(15, 23, 42, 0.08);
  --shadow-medium: 0 18px 45px rgba(15, 23, 42, 0.12);
  --shadow-strong: 0 24px 60px rgba(0, 0, 0, 0.18);

  /* Transitions */
  --transition-fast: 150ms ease-out;
  --transition-normal: 220ms ease-out;
  --transition-slow: 320ms ease-out;

  /* Layout */
  --container-max-width: 1120px;
  --header-height: 72px;
}

/* ========================================================================
   Reset / Normalize
   ======================================================================== */
*,
*::before,
*::after {
  box-sizing: border-box;
}

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

body,
h1,
h2,
h3,
h4,
h5,
h6,
p,
figure,
blockquote,
dl,
dd,
ul,
ol {
  margin: 0;
}

ul,
ol {
  padding: 0;
  list-style: none;
}

body {
  min-height: 100vh;
}

img,
svg,
video,
canvas,
audio,
iframe {
  display: block;
  max-width: 100%;
}

img {
  height: auto;
}

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

button {
  border: none;
  background: none;
  padding: 0;
  cursor: pointer;
}

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

table {
  border-collapse: collapse;
  border-spacing: 0;
}

/* Respect prefers-reduced-motion */
@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;
  }
}

/* ========================================================================
   Base Styles
   ======================================================================== */
body {
  font-family: var(--font-sans);
  font-size: var(--font-size-md);
  line-height: var(--line-height-relaxed);
  background-color: var(--color-background);
  color: var(--color-text);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

main {
  min-height: calc(100vh - var(--header-height));
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-sans);
  font-weight: 600;
  line-height: var(--line-height-tight);
  color: var(--color-primary);
  letter-spacing: 0.01em;
}

h1 {
  font-size: var(--font-size-4xl);
  margin-bottom: var(--space-24);
}

h2 {
  font-size: var(--font-size-3xl);
  margin-bottom: var(--space-20);
}

h3 {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--space-16);
}

h4 {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-12);
}

p {
  margin-bottom: var(--space-16);
  color: var(--color-text-muted);
}

strong {
  font-weight: 600;
}

em {
  font-style: italic;
}

a {
  position: relative;
  transition: color var(--transition-normal);
}

a:hover {
  color: var(--color-accent-gold);
}

a.link-underline {
  text-decoration: none;
}

a.link-underline::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.15em;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--color-accent-gold), var(--color-primary));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-normal);
}

a.link-underline:hover::after {
  transform: scaleX(1);
}

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

hr {
  border: none;
  border-top: 1px solid var(--color-gray-200);
  margin: var(--space-32) 0;
}

::selection {
  background: var(--color-accent-gold-soft);
}

/* ========================================================================
   Accessibility & Focus Styles
   ======================================================================== */
:focus-visible {
  outline: 2px solid var(--color-accent-gold);
  outline-offset: 3px;
}

[tabindex="-1"]:focus {
  outline: none !important;
}

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

/* ========================================================================
   Utilities
   ======================================================================== */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-16);
  padding-right: var(--space-16);
}

@media (min-width: 768px) {
  .container {
    padding-left: var(--space-24);
    padding-right: var(--space-24);
  }
}

.section {
  padding-top: var(--space-48);
  padding-bottom: var(--space-48);
}

@media (min-width: 768px) {
  .section {
    padding-top: var(--space-64);
    padding-bottom: var(--space-64);
  }
}

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

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

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

/* Spacing helpers (margin-bottom only for cleaner layouts) */
.mb-0 { margin-bottom: 0 !important; }
.mb-8 { margin-bottom: var(--space-8) !important; }
.mb-16 { margin-bottom: var(--space-16) !important; }
.mb-24 { margin-bottom: var(--space-24) !important; }
.mb-32 { margin-bottom: var(--space-32) !important; }
.mb-40 { margin-bottom: var(--space-40) !important; }

/* Flex utilities */
.flex {
  display: flex;
}

.inline-flex {
  display: inline-flex;
}

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

.flex-row {
  flex-direction: row;
}

.flex-wrap {
  flex-wrap: wrap;
}

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

.items-start {
  align-items: flex-start;
}

.items-end {
  align-items: flex-end;
}

.justify-center {
  justify-content: center;
}

.justify-between {
  justify-content: space-between;
}

.gap-16 {
  gap: var(--space-16);
}

.gap-24 {
  gap: var(--space-24);
}

.gap-32 {
  gap: var(--space-32);
}

/* Grid utilities */
.grid {
  display: grid;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(1, minmax(0, 1fr));
  gap: var(--space-24);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(1, minmax(0, 1fr));
  gap: var(--space-24);
}

@media (min-width: 768px) {
  .grid-2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .grid-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* Width helpers */
.w-full { width: 100%; }

/* Max width helpers */
/* Alignment */
.mx-auto { margin-left: auto; margin-right: auto; }

/* ========================================================================
   Components
   ======================================================================== */
/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-8);
  padding: 0.8rem 1.6rem;
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border: 1px solid transparent;
  transition:
    background-color var(--transition-normal),
    color var(--transition-normal),
    box-shadow var(--transition-normal),
    transform var(--transition-fast),
    border-color var(--transition-normal);
  cursor: pointer;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary-soft), var(--color-primary));
  color: var(--color-primary-contrast);
  box-shadow: var(--shadow-soft);
}

.btn-primary:hover {
  box-shadow: var(--shadow-medium);
  transform: translateY(-1px);
}

.btn-outline {
  background-color: transparent;
  color: var(--color-primary);
  border-color: rgba(11, 37, 89, 0.18);
}

.btn-outline:hover {
  border-color: var(--color-primary);
  background-color: rgba(11, 37, 89, 0.04);
}

.btn-ghost {
  background-color: transparent;
  color: var(--color-primary);
}

.btn-ghost:hover {
  background-color: rgba(15, 23, 42, 0.04);
}

.btn-gold {
  background: linear-gradient(135deg, var(--color-accent-gold), #f4d58d);
  color: #1b1b1f;
  box-shadow: var(--shadow-soft);
}

.btn[disabled],
.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  box-shadow: none;
  transform: none;
}

.btn-icon {
  padding: 0.6rem;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: var(--radius-full);
}

/* Inputs & Forms */
.form-group {
  margin-bottom: var(--space-16);
}

label {
  display: block;
  margin-bottom: var(--space-8);
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-primary);
}

input[type="text"],
input[type="email"],
input[type="tel"],
input[type="search"],
input[type="number"],
input[type="date"],
select,
textarea {
  width: 100%;
  padding: 0.7rem 0.9rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-gray-200);
  background-color: var(--color-surface-elevated);
  font-size: var(--font-size-sm);
  line-height: var(--line-height-normal);
  color: var(--color-text);
  transition:
    border-color var(--transition-normal),
    box-shadow var(--transition-normal),
    background-color var(--transition-normal);
}

input::placeholder,
textarea::placeholder {
  color: var(--color-gray-400);
}

input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: none;
  border-color: var(--color-accent-gold);
  box-shadow: 0 0 0 1px var(--color-accent-gold-soft), 0 12px 30px rgba(15, 23, 42, 0.04);
}

textarea {
  min-height: 140px;
  resize: vertical;
}

input[disabled],
select[disabled],
textarea[disabled] {
  background-color: var(--color-gray-50);
  cursor: not-allowed;
  opacity: 0.7;
}

/* Cards */
.card {
  background-color: var(--color-surface-elevated);
  border-radius: var(--radius-lg);
  padding: var(--space-24);
  box-shadow: var(--shadow-soft);
  border: 1px solid rgba(148, 163, 184, 0.18);
}

.card--soft {
  background: linear-gradient(135deg, rgba(11, 37, 89, 0.02), rgba(201, 161, 74, 0.03));
  border: 1px solid rgba(148, 163, 184, 0.3);
}

.card-header {
  margin-bottom: var(--space-16);
}

.card-title {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-8);
}

.card-meta {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

/* Hero layout helper for full-width slider sections */
.hero {
  position: relative;
  min-height: 70vh;
  display: flex;
  align-items: center;
  color: var(--color-primary-contrast);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(11, 37, 89, 0.88), rgba(11, 37, 89, 0.35));
  pointer-events: none;
}

.hero__content {
  position: relative;
  z-index: 1;
}

/* Badges / tags (e.g. for event types) */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.75rem;
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.badge-gold {
  background-color: var(--color-accent-gold-soft);
  color: var(--color-accent-gold);
}

.badge-navy {
  background-color: rgba(11, 37, 89, 0.08);
  color: var(--color-primary);
}

/* Simple header baseline (navigation) */
.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  background-color: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(148, 163, 184, 0.25);
}

.site-header__inner {
  height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-16);
}

.nav-link {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  padding: 0.25rem 0;
  position: relative;
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.35rem;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--color-accent-gold), var(--color-primary));
  transform: scaleX(0);
  transform-origin: center;
  transition: transform var(--transition-normal);
}

.nav-link:hover {
  color: var(--color-primary);
}

.nav-link:hover::after,
.nav-link--active::after {
  transform: scaleX(1);
}

.nav-link--active {
  color: var(--color-primary);
}

/* Footer baseline */
.site-footer {
  background-color: #020617;
  color: rgba(255, 255, 255, 0.82);
  padding-top: var(--space-32);
  padding-bottom: var(--space-24);
}

.site-footer a {
  color: rgba(255, 255, 255, 0.82);
}

.site-footer a:hover {
  color: var(--color-accent-gold);
}

.site-footer__bottom {
  border-top: 1px solid rgba(148, 163, 184, 0.35);
  margin-top: var(--space-24);
  padding-top: var(--space-16);
  font-size: var(--font-size-xs);
  color: rgba(148, 163, 184, 0.9);
}

/* ========================================================================
   Helpers specific to premium event design
   ======================================================================== */
/* Subtle section background variations */
.section--alt {
  background: radial-gradient(circle at top left, rgba(201, 161, 74, 0.08), transparent 55%),
              radial-gradient(circle at bottom right, rgba(15, 23, 42, 0.06), transparent 55%);
}

.section-heading-eyebrow {
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--color-accent-gold);
  margin-bottom: var(--space-8);
}

.section-heading-main {
  font-size: var(--font-size-3xl);
  line-height: var(--line-height-snug);
  margin-bottom: var(--space-12);
}

.section-heading-sub {
  font-size: var(--font-size-md);
  color: var(--color-text-muted);
  max-width: 38rem;
}

/* Testimonials layout helper */
.testimonial-quote {
  font-family: var(--font-serif);
  font-size: var(--font-size-lg);
  line-height: var(--line-height-relaxed);
  color: var(--color-primary);
}

.testimonial-author {
  margin-top: var(--space-16);
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text);
}

/* Contact highlight banner */
.contact-highlight {
  background: linear-gradient(120deg, #020617, #0b2559);
  color: var(--color-primary-contrast);
  border-radius: var(--radius-lg);
  padding: var(--space-24);
  box-shadow: var(--shadow-medium);
}

.contact-highlight a {
  color: var(--color-accent-gold);
}

.contact-highlight a:hover {
  color: #f4d58d;
}