:root {
  --color-primary-bg: #18191C;
  --color-surface-elevated: #22232A;
  --color-accent-gold: #FFD700;
  --color-accent-navy: #152A3A;
  --color-accent-brown: #8C5E3C;
  --color-text-primary: #FFFFFF;
  --color-text-secondary: #C7C8CD;
  --color-text-on-gold: #22232A;
  --color-divider: #393A40;
  --color-surface-white: #F5F5F6;
  --color-danger-bg: #2D232E;
  --color-danger-text: #FFD700;

  --font-heading: Montserrat, "Segoe UI", Arial, sans-serif;
  --font-body: Inter, "Segoe UI", Arial, sans-serif;

  --fs-1: clamp(2.2rem, 4vw, 3.6rem);
  --fs-2: clamp(1.8rem, 3vw, 2.4rem);
  --fs-3: clamp(1.5rem, 2.4vw, 1.8rem);
  --fs-4: clamp(1.2rem, 2vw, 1.4rem);
  --fs-5: clamp(1rem, 1.6vw, 1.1rem);
  --fs-6: 0.95rem;

  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 2rem;
  --space-4: 3rem;
  --space-5: 4.5rem;
  --space-6: 7rem;

  --container-max: 1280px;
  --container-pad-desktop: 2rem;
  --container-pad-mobile: 1rem;

  --radius-sm: 8px;
  --radius-md: 12px;

  --shadow-soft: 0 10px 30px rgba(0,0,0,0.10);

  --border-thin: 1.5px solid var(--color-divider);
  --border-gold: 1.5px solid var(--color-accent-gold);
}

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

* {
  margin: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  background: var(--color-primary-bg);
  color: var(--color-text-primary);
  font-family: var(--font-body);
  font-size: var(--fs-5);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

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

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

:focus-visible {
  outline: 2px solid var(--color-accent-gold);
  outline-offset: 2px;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-heading);
  letter-spacing: 0.01em;
  line-height: 1.2;
  margin-block-end: var(--space-2);
}

h1 { font-size: var(--fs-1); }
h2 { font-size: var(--fs-2); }
h3 { font-size: var(--fs-3); }
h4 { font-size: var(--fs-4); }
h5 { font-size: var(--fs-5); }
h6 { font-size: var(--fs-6); }

p {
  color: var(--color-text-secondary);
  margin-block-end: var(--space-2);
}

ul,
ol {
  padding-left: 1.2em;
  margin-block-end: var(--space-2);
}

blockquote {
  margin-block-end: var(--space-3);
  padding-left: var(--space-2);
  border-left: 3px solid var(--color-accent-gold);
  color: var(--color-text-secondary);
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad-desktop);
}

@media (max-width: 768px) {
  .container {
    padding-inline: var(--container-pad-mobile);
  }
}

.section {
  padding-block: var(--space-5);
}

@media (max-width: 768px) {
  .section {
    padding-block: var(--space-3);
  }
}

.surface {
  background: var(--color-surface-elevated);
  border: var(--border-thin);
  border-radius: var(--radius-sm);
}

.surface-white {
  background: var(--color-surface-white);
  color: #111;
}

.card {
  background: var(--color-surface-elevated);
  border: var(--border-thin);
  border-radius: var(--radius-sm);
  padding: var(--space-3);
  box-shadow: var(--shadow-soft);
}

.card > *:last-child {
  margin-bottom: 0;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 2rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  transition: 0.2s ease;
  min-width: 0;
}

.button-primary {
  background: var(--color-accent-gold);
  color: var(--color-text-on-gold);
}

.button-primary:hover {
  filter: brightness(1.05);
}

.button-secondary {
  background: var(--color-accent-navy);
  color: var(--color-text-primary);
}

.button-secondary:hover {
  filter: brightness(1.1);
}

.button-block {
  width: 100%;
}

.link {
  color: var(--color-text-primary);
  transition: 0.2s ease;
}

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

.divider {
  width: 100%;
  height: 1.5px;
  background: var(--color-divider);
}

.stack > * + * {
  margin-top: var(--space-2);
}

.stack-lg > * + * {
  margin-top: var(--space-3);
}

.inline {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.inline > * {
  min-width: 0;
}

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

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

.notice {
  background: var(--color-danger-bg);
  color: var(--color-danger-text);
  padding: var(--space-2);
  border-radius: var(--radius-sm);
  border: var(--border-gold);
}

input,
textarea,
select {
  background: var(--color-surface-elevated);
  border: var(--border-thin);
  border-radius: var(--radius-sm);
  padding: 0.75rem 1rem;
  width: 100%;
}

input:focus,
textarea:focus,
select:focus {
  outline: 2px solid var(--color-accent-gold);
  outline-offset: 1px;
}

label {
  display: block;
  margin-bottom: var(--space-1);
  font-size: var(--fs-6);
  color: var(--color-text-secondary);
}

form > * + * {
  margin-top: var(--space-2);
}

hr {
  border: none;
  border-top: var(--border-thin);
  margin-block: var(--space-3);
}