/* style.css — Kharazi Reyhaneh. Mobile-first, no framework. */

:root {
  --color-bg: #ffffff;
  --color-surface: #f6faf8;
  --color-border: #e3ede7;

  --color-mint-100: #eaf7f0;
  --color-mint-300: #b9e6cd;
  --color-mint-500: #7dd0a4;
  --color-mint-700: #2f7a55;

  --color-text: #1f2e26;
  --color-text-secondary: #5c6b62;
  --color-text-on-dark: #ffffff;

  --color-danger-bg: #fbeceb;
  --color-danger-text: #9a4a42;
  --color-muted-bg: #eef1ef;
  /* #66716a fixes AA contrast on muted-bg and white (was #7c877f). */
  --color-muted-text: #66716a;

  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;

  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 22px;
  --radius-pill: 999px;
  --shadow-soft: 0 2px 10px rgba(31, 46, 38, 0.06);
  --shadow-soft-lg: 0 6px 20px rgba(31, 46, 38, 0.08);

  --font-family-base: "Vazirmatn", "Segoe UI", Tahoma, sans-serif;
  --font-size-sm: 0.8125rem;
  --font-size-base: 1rem;
  --font-size-md: 1.125rem;
  --font-size-lg: 1.375rem;
  --font-size-xl: 1.75rem;
  --line-height-base: 1.6;

  --transition-fast: 150ms ease;
  --transition-base: 220ms ease;

  --touch-target: 44px;

  --content-max-width: 480px;
  --content-max-width-desktop: 960px;

  --header-height: 76px;
}

/* Self-hosted variable font: single file covers weights 100–900. */
@font-face {
  font-family: "Vazirmatn";
  src: url("../fonts/Vazirmatn[wght].woff2") format("woff2-variations");
  font-weight: 100 900;
  font-display: swap;
}

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

html {
  scroll-padding-top: env(safe-area-inset-top, 0px);
}

body {
  margin: 0;
  min-height: 100%;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-family-base);
  font-size: var(--font-size-base);
  line-height: var(--line-height-base);
  padding-top: env(safe-area-inset-top, 0px);
  padding-bottom: env(safe-area-inset-bottom, 0px);
}

body.no-scroll {
  overflow: hidden;
}

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

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

button {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
  background: none;
  border: none;
  cursor: pointer;
}

ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

h1,
h2,
h3,
p {
  margin: 0;
}

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--color-mint-700);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    transition-duration: 0.001ms !important;
  }
}

.skip-link {
  position: absolute;
  right: var(--space-3);
  top: -100px;
  background: var(--color-mint-700);
  color: var(--color-text-on-dark);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-sm);
  z-index: 100;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: var(--space-3);
}

#menu-close {
  font-size: 1.8rem;
  font-weight: 700;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4);
  min-height: var(--header-height);
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid var(--color-border);
}

.site-header__brand {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-weight: 700;
  font-size: var(--font-size-md);
  color: var(--color-mint-700);
}

.site-header__leaf {
  font-size: 1.1em;
}

.icon-button {
  width: var(--touch-target);
  height: var(--touch-target);
  display: grid;
  place-items: center;
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast);
}

.icon-button:hover,
.icon-button:active {
  background: var(--color-mint-100);
}

.hamburger,
.hamburger::before,
.hamburger::after {
  width: 20px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  display: block;
  position: relative;
  transition: background var(--transition-fast);
}

.hamburger::before,
.hamburger::after {
  content: "";
  position: absolute;
  right: 0;
}

.hamburger::before {
  top: -6px;
}

.hamburger::after {
  top: 6px;
}

.nav-overlay {
  position: fixed;
  inset: 0;
  background: rgba(20, 30, 25, 0.35);
  z-index: 30;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base);
}

.nav-overlay--open {
  opacity: 1;
  pointer-events: auto;
}

.nav-panel {
  position: absolute;
  inset-inline-start: 0;
  top: 0;
  bottom: 0;
  width: min(78vw, 320px);
  background: var(--color-bg);
  box-shadow: var(--shadow-soft-lg);
  padding: var(--space-4);
  padding-top: calc(var(--space-4) + env(safe-area-inset-top, 0px));
  transform: translateX(-100%);
  transition: transform var(--transition-base);
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

/* RTL slides panel from the right. */
html[dir="rtl"] .nav-overlay:not(.nav-overlay--open) .nav-panel {
  transform: translateX(100%);
}

.nav-overlay--open .nav-panel {
  transform: translateX(0);
}

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

.nav-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.nav-list__item a {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3);
  min-height: var(--touch-target);
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast);
}

.nav-list__item a:hover {
  background: var(--color-mint-100);
}

.nav-list__item--inactive {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3);
  min-height: var(--touch-target);
  color: var(--color-muted-text);
  opacity: 0.55;
}

.app-main {
  max-width: var(--content-max-width);
  margin: 0 auto;
  padding: var(--space-5) var(--space-4) var(--space-7);
  min-height: 60vh;
}

.section {
  margin-top: var(--space-6);
}

.section__title {
  font-size: var(--font-size-lg);
  font-weight: 700;
  margin-bottom: var(--space-4);
}

.hero {
  position: relative;
  overflow: hidden;
  background: linear-gradient(180deg, var(--color-mint-100) 0%, var(--color-bg) 100%);
  border-radius: var(--radius-lg);
  padding: var(--space-6) var(--space-5);
  min-height: 220px;
}

.hero__image {
  position: absolute;
  left: var(--space-6);
  bottom: 0;
  width: auto;
  height: 100%;
  max-width: 60%;
  object-fit: contain;
  z-index: 0;
  pointer-events: none;
}

.hero__content {
  position: relative;
  z-index: 1;
  margin-top: -15px;
}

.hero__eyebrow {
  color: var(--color-mint-700);
  font-size: var(--font-size-sm);
  font-weight: 500;
  margin-bottom: var(--space-2);
}

.hero__title {
  font-size: var(--font-size-xl);
  font-weight: 700;
  line-height: 1.4;
  max-width: 20ch;
}

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

.category-tile {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-2);
  background: var(--color-surface);
  border: 1px solid var(--color-mint-300);
  border-radius: var(--radius-md);
  text-align: center;
  min-height: 88px;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

a.category-tile:hover,
a.category-tile:active {
  box-shadow: var(--shadow-soft);
  transform: translateY(-1px);
}

.category-tile--inactive {
  background: var(--color-surface);
  border-color: var(--color-border);
  color: var(--color-muted-text);
  opacity: 0.55;
}

.category-tile--inactive .category-tile__name {
  color: var(--color-muted-text);
  font-weight: 500;
}

.category-tile__icon {
  font-size: 1.5rem;
}

.category-tile__name {
  font-size: var(--font-size-sm);
  font-weight: 500;
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-pill);
  font-size: var(--font-size-sm);
  font-weight: 500;
  line-height: 1.4;
}

/* Dark text for sufficient contrast on light mint. */
.badge--available {
  background: var(--color-mint-500);
  color: #0f3323;
}

.badge--unavailable {
  background: var(--color-muted-bg);
  color: var(--color-muted-text);
}

.badge--tag {
  background: var(--color-mint-100);
  color: var(--color-mint-700);
}

.badge--soon {
  position: absolute;
  top: var(--space-2);
  inset-inline-end: var(--space-2);
  background: var(--color-muted-bg);
  color: var(--color-muted-text);
  font-size: 0.6875rem;
  padding: 2px var(--space-2);
}

.nav-list__item--inactive .badge--soon {
  position: static;
  margin-inline-start: auto;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: var(--touch-target);
  padding: 0 var(--space-5);
  border-radius: var(--radius-pill);
  font-weight: 500;
  transition: background var(--transition-fast), transform var(--transition-fast);
}

.button--secondary {
  background: var(--color-mint-700);
  color: var(--color-text-on-dark);
}

.button--secondary:hover {
  background: #26643f;
}

.button:active {
  transform: scale(0.98);
}

/* Single sticky wrapper avoids guessing header height when title wraps. */
.sticky-header-group {
  position: sticky;
  top: var(--header-height);
  z-index: 15;
  background: var(--color-bg);
}

.page-header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) 0;
}

.back-button {
  width: var(--touch-target);
  height: var(--touch-target);
  display: grid;
  place-items: center;
  border-radius: 50%;
  font-size: 1.2rem;
  flex-shrink: 0;
  transition: background var(--transition-fast);
}

.back-button:hover,
.back-button:active {
  background: var(--color-mint-100);
}

.page-header__title {
  font-size: var(--font-size-lg);
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.chip-list {
  display: flex;
  gap: var(--space-2);
  overflow-x: auto;
  padding: var(--space-2) 0;
  margin-bottom: var(--space-4);
  scrollbar-width: none;
}

.chip-list::-webkit-scrollbar {
  display: none;
}

.chip {
  flex-shrink: 0;
  min-height: 40px;
  padding: 0 var(--space-4);
  border-radius: var(--radius-pill);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  transition: background var(--transition-fast), color var(--transition-fast);
}

.chip--active {
  background: var(--color-mint-700);
  border-color: var(--color-mint-700);
  color: var(--color-text-on-dark);
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-3);
}

.product-card {
  display: flex;
  flex-direction: column;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.product-card:hover,
.product-card:active {
  transform: translateY(-2px);
  box-shadow: var(--shadow-soft-lg);
}

.product-card--unavailable {
  opacity: 0.7;
}

.product-card__image-wrap {
  position: relative;
  aspect-ratio: 1 / 1;
  background: var(--color-surface);
}

.product-card__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.product-card__image--fallback {
  display: none;
}

.product-card__availability {
  position: absolute;
  top: var(--space-2);
  inset-inline-start: var(--space-2);
}

.product-card__body {
  padding: var(--space-3);
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.product-card__name {
  font-size: var(--font-size-sm);
  font-weight: 500;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.product-card__price {
  color: var(--color-mint-700);
  font-weight: 700;
  font-size: var(--font-size-sm);
}

.product-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
  margin-top: var(--space-1);
}

.empty-state,
.status-message {
  grid-column: 1 / -1;
  text-align: center;
  color: var(--color-text-secondary);
  padding: var(--space-6) var(--space-3);
}

.status-message--error {
  color: var(--color-danger-text);
}

.status-message .button {
  margin-top: var(--space-4);
}

.coming-soon {
  text-align: center;
  padding: var(--space-7) var(--space-4);
  background: var(--color-surface);
  border-radius: var(--radius-lg);
}

.coming-soon__icon {
  font-size: 2.5rem;
  display: block;
  margin-bottom: var(--space-3);
}

.coming-soon__title {
  font-weight: 700;
  font-size: var(--font-size-md);
  margin-bottom: var(--space-2);
}

.coming-soon__text {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-5);
}

.product-detail__image-wrap {
  aspect-ratio: 1 / 1;
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: var(--space-4);
}

.product-detail__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.product-detail__name {
  font-size: var(--font-size-lg);
  font-weight: 700;
  margin-bottom: var(--space-2);
}

.product-detail__price {
  color: var(--color-mint-700);
  font-weight: 700;
  font-size: var(--font-size-md);
  margin-bottom: var(--space-3);
}

.product-detail__badges {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-5);
}

.product-detail__subtitle {
  font-size: var(--font-size-base);
  font-weight: 700;
  margin-bottom: var(--space-2);
}

.product-detail__description {
  color: var(--color-text-secondary);
}

.contact-about {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-5);
}

.contact-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.contact-list__item {
  background: var(--color-surface);
  border-radius: var(--radius-md);
}

.contact-link {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4);
  min-height: var(--touch-target);
}

.contact-link__icon {
  width: 36px;
  height: 36px;
  flex-shrink: 0;
  display: grid;
  place-items: center;
  background: var(--color-mint-100);
  color: var(--color-mint-700);
  border-radius: 50%;
}

.contact-link__label {
  display: block;
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.contact-link__value {
  display: block;
  font-weight: 500;
}

.contact-footer-note {
  text-align: center;
  color: var(--color-mint-700);
  margin-top: var(--space-6);
  font-weight: 500;
}

.site-footer {
  text-align: center;
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  padding: var(--space-5);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
}

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

.home-cta__text {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-4);
}

@media (min-width: 640px) {
  .app-main {
    max-width: var(--content-max-width-desktop);
  }

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

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

  .hero__title {
    font-size: 2.25rem;
    max-width: 26ch;
  }

  .product-detail {
    display: grid;
    grid-template-columns: 380px 1fr;
    gap: var(--space-6);
    align-items: start;
  }

  .product-detail__image-wrap {
    margin-bottom: 0;
  }
}

@media (min-width: 960px) {
  .product-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}