/* ========================================================================
   DateKraze — Shared Stylesheet
   Design tokens, reset, typography, shared components, responsive base
   ======================================================================== */

/* ------------------------------------------------------------------
   1. CSS Custom Properties (Design Tokens)
   ------------------------------------------------------------------ */
:root {
  /* Colour palette — vibrant, light background */
  --color-bg: #FFF8F0;
  --color-bg-alt: #FFF0E0;
  --color-primary: #C2410C;
  --color-secondary: #7B2D8B;
  --color-accent: #0077B6;
  --color-success: #1A7A2B;
  --color-error: #D63230;
  --color-text: #2D2D2D;
  --color-text-muted: #666666;
  --color-border: #E0D5C8;

  /* Typography */
  --font-display: 'Baloo 2', cursive;
  --font-body: 'Nunito', sans-serif;

  /* Spacing */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 32px;
  --space-xl: 64px;

  /* Borders */
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-full: 999px;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-normal: 250ms ease;
}

/* ------------------------------------------------------------------
   2. CSS Reset / Normalize
   ------------------------------------------------------------------ */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
  -moz-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

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

ul[role="list"],
ol[role="list"] {
  list-style: none;
  padding: 0;
}

html:focus-within {
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  line-height: 1.6;
  text-rendering: optimizeSpeed;
}

a:not([class]) {
  text-decoration-skip-ink: auto;
}

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

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

/* Remove animations for reduced motion */
@media (prefers-reduced-motion: reduce) {
  html:focus-within {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ------------------------------------------------------------------
   3. Base Typography
   ------------------------------------------------------------------ */
body {
  font-family: var(--font-body);
  font-size: 16px;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-text);
}

h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
}

h2 {
  font-size: clamp(1.5rem, 4vw, 2.5rem);
}

h3 {
  font-size: clamp(1.25rem, 3vw, 1.75rem);
}

h4 {
  font-size: 1.25rem;
}

p {
  max-width: 65ch;
  line-height: 1.7;
}

a {
  color: var(--color-primary);
  text-decoration: underline;
  transition: color var(--transition-fast);
}

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

/* Focus indicators — accessible, 2px solid, 3:1 contrast */
:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 2px;
}

/* ------------------------------------------------------------------
   4. Shared Component Styles
   ------------------------------------------------------------------ */

/* --- Site Header --- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
}

/* --- Navigation --- */
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--space-md);
}

.nav__brand {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-primary);
  text-decoration: none;
  line-height: 1;
}

.nav__brand:hover {
  color: var(--color-secondary);
}

.nav__toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  padding: 0;
  border: none;
  background: transparent;
  cursor: pointer;
  border-radius: var(--radius-sm);
}

.nav__hamburger,
.nav__hamburger::before,
.nav__hamburger::after {
  display: block;
  width: 24px;
  height: 3px;
  background-color: var(--color-text);
  border-radius: 2px;
  transition: transform var(--transition-normal), opacity var(--transition-fast);
}

.nav__hamburger {
  position: relative;
}

.nav__hamburger::before,
.nav__hamburger::after {
  content: '';
  position: absolute;
  left: 0;
}

.nav__hamburger::before {
  top: -7px;
}

.nav__hamburger::after {
  top: 7px;
}

/* Hamburger open state */
.nav__toggle[aria-expanded="true"] .nav__hamburger {
  background-color: transparent;
}

.nav__toggle[aria-expanded="true"] .nav__hamburger::before {
  top: 0;
  transform: rotate(45deg);
}

.nav__toggle[aria-expanded="true"] .nav__hamburger::after {
  top: 0;
  transform: rotate(-45deg);
}

/* Navigation list — hidden on mobile by default */
.nav__list {
  display: none;
  flex-direction: column;
  gap: var(--space-sm);
  width: 100%;
  padding: var(--space-md) 0;
}

.nav__list--open {
  display: flex;
}

.nav__link {
  display: block;
  padding: var(--space-sm) var(--space-md);
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text);
  text-decoration: none;
  border-radius: var(--radius-sm);
  min-height: 44px;
  line-height: 44px;
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.nav__link:hover {
  background-color: var(--color-bg-alt);
  color: var(--color-primary);
}

/* Active page indicator — font-weight + bottom border (not colour alone) */
.nav__link--active {
  font-weight: 700;
  color: var(--color-primary);
  border-bottom: 3px solid var(--color-primary);
}

/* --- Site Footer --- */
.site-footer {
  background-color: var(--color-bg-alt);
  border-top: 1px solid var(--color-border);
  padding: var(--space-lg) var(--space-md);
  margin-top: var(--space-xl);
}

.footer__inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
  text-align: center;
}

.footer__social {
  display: flex;
  gap: var(--space-md);
  align-items: center;
}

.footer__social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  color: var(--color-text);
  border-radius: var(--radius-full);
  transition: color var(--transition-fast), background-color var(--transition-fast);
  text-decoration: none;
}

.footer__social a:hover {
  color: var(--color-primary);
  background-color: var(--color-bg);
}

.footer__social svg {
  width: 24px;
  height: 24px;
}

.footer__copy {
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

/* --- Flavour Grid & Cards --- */
.flavour-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-lg);
}

.flavour-card {
  background-color: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  text-align: center;
  transition: box-shadow var(--transition-normal);
}

.flavour-card:hover {
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
}

.flavour-card__illustration {
  width: 160px;
  height: 160px;
  margin: 0 auto var(--space-md);
}

.flavour-card__illustration img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.flavour-card__badge {
  display: inline-block;
  padding: var(--space-xs) var(--space-md);
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: var(--radius-full);
  margin-bottom: var(--space-sm);
}

.flavour-card__badge--available {
  background-color: var(--color-success);
  color: #fff;
}

.flavour-card__badge--coming {
  background-color: var(--color-accent);
  color: #fff;
}

.flavour-card__name {
  margin: var(--space-sm) 0;
}

.flavour-card__desc {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  margin: 0 auto;
}

/* --- Hero Section --- */
.hero {
  overflow: hidden;
}

.hero__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-lg);
  text-align: center;
}

.hero__content {
  max-width: 560px;
}

.hero__tagline {
  font-size: 1.15rem;
  color: var(--color-text-muted);
  margin: var(--space-md) 0 var(--space-lg);
}

.hero__illustration svg {
  width: 100%;
  max-width: 320px;
  height: auto;
}

@media (min-width: 768px) {
  .hero__inner {
    flex-direction: row;
    text-align: left;
    gap: var(--space-xl);
  }

  .hero__content {
    flex: 1;
  }

  .hero__illustration {
    flex: 1;
    display: flex;
    justify-content: center;
  }

  .hero__illustration svg {
    max-width: 380px;
  }
}

/* ------------------------------------------------------------------
   5. Utility Classes
   ------------------------------------------------------------------ */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.section {
  padding: var(--space-xl) 0;
}

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

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

/* Button base styles */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: var(--space-sm) var(--space-lg);
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 700;
  text-decoration: none;
  border: none;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: background-color var(--transition-fast), transform var(--transition-fast);
}

.btn:active {
  transform: scale(0.97);
}

.btn--primary {
  background-color: var(--color-primary);
  color: #fff;
}

.btn--primary:hover {
  background-color: #A33509;
  color: #fff;
}

.btn--secondary {
  background-color: var(--color-secondary);
  color: #fff;
}

.btn--secondary:hover {
  background-color: #621f70;
  color: #fff;
}

.btn--accent {
  background-color: var(--color-accent);
  color: #fff;
}

.btn--accent:hover {
  background-color: #005F8C;
  color: #fff;
}

/* ------------------------------------------------------------------
   6. Page-Specific: About Page
   ------------------------------------------------------------------ */

/* Founders grid */
.founders-section {
  background-color: var(--color-bg);
}

.founders-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: var(--space-lg);
  margin-top: var(--space-lg);
}

.founder-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: var(--space-lg) var(--space-md);
  background-color: var(--color-bg-alt);
  border-radius: var(--radius-md);
  transition: transform var(--transition-fast);
}

.founder-card:hover {
  transform: translateY(-4px);
}

.founder-card__img {
  width: 140px;
  height: 140px;
  border-radius: var(--radius-full);
  object-fit: cover;
  margin-bottom: var(--space-md);
}

.founder-card__name {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text);
}

/* Brand story */
.story-section {
  background-color: var(--color-bg-alt);
  border-radius: var(--radius-lg);
  margin: 0 var(--space-md);
  padding: var(--space-xl) var(--space-md);
}

.story-content {
  max-width: 680px;
  margin-top: var(--space-lg);
}

.story-content p {
  margin-bottom: var(--space-lg);
  font-size: 1.125rem;
  line-height: 1.8;
  color: var(--color-text);
}

.story-content p:last-child {
  margin-bottom: 0;
}

/* ------------------------------------------------------------------
   7. Page-Specific: Waitlist Page
   ------------------------------------------------------------------ */

.waitlist-section {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 60vh;
}

.waitlist-tagline {
  font-size: 1.125rem;
  color: var(--color-text-muted);
  margin: var(--space-md) auto var(--space-lg);
  max-width: 500px;
}

.waitlist-form {
  max-width: 500px;
  margin: 0 auto;
  text-align: left;
}

.waitlist-form__label {
  display: block;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: var(--space-sm);
  color: var(--color-text);
}

.waitlist-form__group {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.waitlist-form__input {
  width: 100%;
  min-height: 44px;
  padding: var(--space-md);
  font-size: 1rem;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-sm);
  background-color: #fff;
  color: var(--color-text);
  transition: border-color var(--transition-fast);
}

.waitlist-form__input::placeholder {
  color: var(--color-text-muted);
  opacity: 0.7;
}

.waitlist-form__input:focus {
  border-color: var(--color-primary);
  outline: 3px solid var(--color-accent);
  outline-offset: 2px;
}

.waitlist-form__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: var(--space-md) var(--space-lg);
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
  background-color: var(--color-primary);
  border: none;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: background-color var(--transition-fast), opacity var(--transition-fast), transform var(--transition-fast);
}

.waitlist-form__btn:hover {
  background-color: #A33509;
}

.waitlist-form__btn:active {
  transform: scale(0.97);
}

.waitlist-form__btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.waitlist-form__error {
  margin-top: var(--space-sm);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-error);
  min-height: 1.4em;
}

.waitlist-form__success {
  margin-top: var(--space-sm);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-success);
  min-height: 1.4em;
}

@media (min-width: 480px) {
  .waitlist-form__group {
    flex-direction: row;
  }

  .waitlist-form__input {
    flex: 1;
  }

  .waitlist-form__btn {
    white-space: nowrap;
  }
}

/* ------------------------------------------------------------------
   8. Responsive Styles — Mobile-first
   ------------------------------------------------------------------ */

/* Mobile (below 768px) — single column grid */
@media (max-width: 767px) {
  .flavour-grid {
    grid-template-columns: 1fr;
  }
}

/* Tablet and up (768px) */
@media (min-width: 768px) {
  /* About page: founders 2x2 grid */
  .founders-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .story-section {
    margin: 0 var(--space-lg);
    padding: var(--space-xl) var(--space-lg);
  }
  /* Navigation — show inline, hide hamburger */
  .nav__toggle {
    display: none;
  }

  .nav__list {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: var(--space-xs);
    width: auto;
    padding: 0;
  }

  .nav__link {
    padding: var(--space-sm) var(--space-md);
    min-height: auto;
    line-height: 1.5;
  }

  /* Footer row layout */
  .footer__inner {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }

  /* Section spacing */
  .section {
    padding: var(--space-xl) 0;
  }
}

/* Desktop (1024px) */
@media (min-width: 1024px) {
  /* About page: founders 4 across */
  .founders-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .story-section {
    margin: 0 var(--space-xl);
    padding: var(--space-xl);
  }
  .nav {
    padding: var(--space-md) var(--space-lg);
  }

  .container {
    padding: 0 var(--space-lg);
  }

  h1 {
    font-size: 3.5rem;
  }

  h2 {
    font-size: 2.5rem;
  }
}