/* ============================================
   JAVAN IMPORTS — MOFU LANDING PAGE
   Art direction: JDM adventure, rugged warmth,
   Pacific Northwest outdoors.
   Palette: dark charcoal surfaces + warm red accent
   (from the Javan yak logo on red background)
   ============================================ */

/* --- FONTS --- */
/* Clash Display (bold headlines) + Satoshi (clean body) — Fontshare */

/* --- DESIGN TOKENS --- */
:root {
  /* Type scale */
  --text-xs:   clamp(0.75rem,  0.7rem  + 0.25vw, 0.875rem);
  --text-sm:   clamp(0.875rem, 0.8rem  + 0.35vw, 1rem);
  --text-base: clamp(1rem,     0.95rem + 0.25vw, 1.125rem);
  --text-lg:   clamp(1.125rem, 1rem    + 0.75vw, 1.5rem);
  --text-xl:   clamp(1.5rem,   1.2rem  + 1.25vw, 2.25rem);
  --text-2xl:  clamp(2rem,     1.2rem  + 2.5vw,  3.5rem);

  /* Spacing (4px base) */
  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.25rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;

  /* Transition */
  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);

  /* Content widths */
  --content-narrow: 640px;
  --content-default: 960px;
  --content-wide: 1200px;

  /* Fonts */
  --font-display: 'Clash Display', 'Arial Black', sans-serif;
  --font-body: 'Satoshi', 'Helvetica Neue', sans-serif;
}

/* --- LIGHT MODE (default) --- */
:root, [data-theme="light"] {
  --color-bg:             #f5f3ef;
  --color-surface:        #ffffff;
  --color-surface-2:      #faf9f7;
  --color-surface-offset: #ece9e3;
  --color-divider:        #ddd9d3;
  --color-border:         #ccc8c0;
  --color-text:           #1a1a1a;
  --color-text-muted:     #6b6660;
  --color-text-faint:     #a8a39d;
  --color-text-inverse:   #f5f3ef;

  /* Primary Accent — Javan Red */
  --color-primary:        #c23030;
  --color-primary-hover:  #a52525;
  --color-primary-active: #8a1c1c;
  --color-primary-subtle: #fdf0f0;

  /* Shadow */
  --shadow-sm: 0 1px 2px rgba(26,26,26,0.06);
  --shadow-md: 0 4px 12px rgba(26,26,26,0.08);
  --shadow-lg: 0 12px 32px rgba(26,26,26,0.12);
}

/* --- DARK MODE --- */
[data-theme="dark"] {
  --color-bg:             #111110;
  --color-surface:        #1a1918;
  --color-surface-2:      #222120;
  --color-surface-offset: #1e1d1c;
  --color-divider:        #2e2d2b;
  --color-border:         #3a3937;
  --color-text:           #e0ddd8;
  --color-text-muted:     #8a8680;
  --color-text-faint:     #5a5752;
  --color-text-inverse:   #1a1a1a;

  --color-primary:        #e05050;
  --color-primary-hover:  #c83c3c;
  --color-primary-active: #b03030;
  --color-primary-subtle: #2a1a1a;

  --shadow-sm: 0 1px 2px rgba(0,0,0,0.2);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.3);
  --shadow-lg: 0 12px 32px rgba(0,0,0,0.4);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg:             #111110;
    --color-surface:        #1a1918;
    --color-surface-2:      #222120;
    --color-surface-offset: #1e1d1c;
    --color-divider:        #2e2d2b;
    --color-border:         #3a3937;
    --color-text:           #e0ddd8;
    --color-text-muted:     #8a8680;
    --color-text-faint:     #5a5752;
    --color-text-inverse:   #1a1a1a;
    --color-primary:        #e05050;
    --color-primary-hover:  #c83c3c;
    --color-primary-active: #b03030;
    --color-primary-subtle: #2a1a1a;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.2);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.3);
    --shadow-lg: 0 12px 32px rgba(0,0,0,0.4);
  }
}

/* ============================================
   LAYOUT & COMPONENTS
   ============================================ */

/* --- HEADER --- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-6);
  background: oklch(from var(--color-bg) l c h / 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-divider);
}

.site-header__logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  color: var(--color-text);
}

.site-header__logo-text {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.site-header__actions {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  color: var(--color-text-muted);
}
.theme-toggle:hover {
  color: var(--color-text);
  background: var(--color-surface-offset);
}

.header-cta {
  display: none;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  padding: var(--space-2) var(--space-5);
  border-radius: var(--radius-md);
  background: var(--color-primary);
  color: #fff;
  text-decoration: none;
}
.header-cta:hover {
  background: var(--color-primary-hover);
}
@media (min-width: 640px) {
  .header-cta { display: inline-flex; }
}

/* --- HERO --- */
.hero {
  position: relative;
  min-height: 80vh;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
}

.hero__image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 68%;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(0,0,0,0.92) 0%,
    rgba(0,0,0,0.75) 35%,
    rgba(0,0,0,0.55) 60%,
    rgba(0,0,0,0.25) 100%
  );
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: var(--content-wide);
  margin: 0 auto;
  padding: var(--space-12) var(--space-6) var(--space-12);
  width: 100%;
}

.hero__badge {
  display: inline-block;
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary);
  background: rgba(194,48,48,0.15);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-4);
  border: 1px solid rgba(194,48,48,0.3);
}
[data-theme="dark"] .hero__badge {
  color: #e05050;
  background: rgba(224,80,80,0.15);
  border-color: rgba(224,80,80,0.3);
}

.hero__heading {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-4);
  max-width: 18ch;
  text-shadow: 0 2px 12px rgba(0,0,0,0.7), 0 1px 3px rgba(0,0,0,0.9);
}

.hero__sub {
  font-size: var(--text-base);
  color: rgba(255,255,255,0.92);
  max-width: 48ch;
  margin-bottom: var(--space-8);
  line-height: 1.7;
  text-shadow: 0 1px 6px rgba(0,0,0,0.8);
}

.hero__cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-md);
  background: var(--color-primary);
  color: #fff;
  text-decoration: none;
}
.hero__cta:hover {
  background: var(--color-primary-hover);
}
.hero__cta svg {
  width: 16px;
  height: 16px;
  display: inline;
}

/* --- SECTION WRAPPER --- */
.section {
  padding-block: clamp(var(--space-12), 8vw, var(--space-24));
  padding-inline: var(--space-6);
}

.section__inner {
  max-width: var(--content-wide);
  margin: 0 auto;
}

.section--alt {
  background: var(--color-surface-offset);
}

.section__label {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-3);
}

.section__title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -0.02em;
  margin-bottom: var(--space-3);
}

.section__desc {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 56ch;
  margin-bottom: var(--space-10);
}

/* --- WHY JAVAN (VALUE PROPS) --- */
.value-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}
@media (min-width: 640px) {
  .value-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 960px) {
  .value-grid { grid-template-columns: repeat(3, 1fr); }
}

.value-card {
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
}

.value-card__icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: var(--color-primary-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-4);
  color: var(--color-primary);
}

.value-card__title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

.value-card__text {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* --- CATALOG GRID --- */
.catalog-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}
@media (min-width: 640px) {
  .catalog-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 960px) {
  .catalog-grid { grid-template-columns: repeat(3, 1fr); }
}

.catalog-card {
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.catalog-card__img {
  width: 100%;
  height: 220px;
  object-fit: cover;
}

.catalog-card__img--placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-divider);
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  letter-spacing: 0.01em;
  object-fit: unset;
}

.catalog-card__body {
  padding: var(--space-5);
}

.catalog-card__name {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-1);
}

.catalog-card__spec {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-bottom: var(--space-3);
}

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

.tag {
  font-size: var(--text-xs);
  font-weight: 500;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  background: var(--color-surface-offset);
  color: var(--color-text-muted);
  border: 1px solid var(--color-divider);
}

/* --- TESTIMONIALS --- */
.testimonial-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}
@media (min-width: 640px) {
  .testimonial-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 960px) {
  .testimonial-grid { grid-template-columns: repeat(3, 1fr); }
}

.testimonial-card {
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
}

.testimonial-card__stars {
  display: flex;
  gap: 2px;
  color: #d4a017;
  margin-bottom: var(--space-4);
}

.testimonial-card__quote {
  font-size: var(--text-base);
  color: var(--color-text);
  line-height: 1.7;
  flex: 1;
  margin-bottom: var(--space-5);
}

.testimonial-card__author {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.testimonial-card__avatar {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background: var(--color-surface-offset);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-sm);
  color: var(--color-primary);
}

.testimonial-card__name {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
}

.testimonial-card__detail {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}

/* --- SIGN-UP / CTA FORM --- */
.signup-section {
  background: var(--color-surface-offset);
}

.signup-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-10);
  align-items: center;
}
@media (min-width: 768px) {
  .signup-layout { grid-template-columns: 1fr 1fr; }
}

.signup__heading {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -0.02em;
  margin-bottom: var(--space-3);
}

.signup__desc {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: var(--space-6);
}

.signup__perks {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.signup__perks li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.signup__perks li svg {
  flex-shrink: 0;
  margin-top: 2px;
  color: var(--color-primary);
}

.signup-form-card {
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
}

.signup-form-card__title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-text);
  text-align: center;
  margin-bottom: var(--space-6);
}

.form-group {
  margin-bottom: var(--space-4);
}

.form-group label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

.form-group input {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg);
  font-size: var(--text-base);
  color: var(--color-text);
}
.form-group input::placeholder {
  color: var(--color-text-faint);
}
.form-group input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(194,48,48,0.12);
}
[data-theme="dark"] .form-group input:focus {
  box-shadow: 0 0 0 3px rgba(224,80,80,0.15);
}

.form-submit {
  width: 100%;
  margin-top: var(--space-4);
  padding: var(--space-3) var(--space-6);
  border: none;
  border-radius: var(--radius-md);
  background: var(--color-primary);
  color: #fff;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  cursor: pointer;
}
.form-submit:hover {
  background: var(--color-primary-hover);
}
.form-submit:active {
  background: var(--color-primary-active);
}

.form-disclaimer {
  text-align: center;
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  margin-top: var(--space-4);
}

.form-success {
  display: none;
  text-align: center;
  padding: var(--space-8) var(--space-4);
}

.form-success.is-visible {
  display: block;
}

.form-success__icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-full);
  background: var(--color-primary-subtle);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-4);
}

.form-success__heading {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

.form-success__text {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

/* --- FOOTER --- */
.site-footer {
  padding: var(--space-10) var(--space-6);
  border-top: 1px solid var(--color-divider);
  text-align: center;
}

.site-footer__inner {
  max-width: var(--content-wide);
  margin: 0 auto;
}

.footer-info {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-2);
}

.footer-info a {
  color: var(--color-primary);
  text-decoration: none;
}
.footer-info a:hover {
  text-decoration: underline;
}

.footer-legal {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}

/* --- SCROLL REVEAL --- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}