/* ═══════════════════════════════════════════════════════════════════════
   راکه دکور | style.css
   نسخه ۲.۰ - بازنویسی شده با دسته‌بندی کامل
   ═══════════════════════════════════════════════════════════════════════ */

/* ─────────────────────────────────────────
   ۱. FONTS & VARIABLES
   ───────────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Vazirmatn:wght@300;400;500;700&display=swap');

:root {
  /* رنگ‌ها */
  --color-bg:         #faf8f5;
  --color-surface:    #f2ede6;
  --color-border:     #e0d8cc;
  --color-beige:      #c9b99a;
  --color-brown:      #8b6f52;
  --color-dark:       #2c2416;
  --color-text:       #3d3228;
  --color-text-muted: #9a8c7e;
  --color-white:      #ffffff;

  /* تایپوگرافی */
  --font-base:   'Vazirmatn', sans-serif;
  --text-xs:     0.75rem;
  --text-sm:     0.875rem;
  --text-base:   1rem;
  --text-lg:     1.125rem;
  --text-xl:     1.25rem;
  --text-2xl:    1.5rem;
  --text-3xl:    2rem;
  --text-4xl:    2.75rem;
  --text-5xl:    3.75rem;

  /* فاصله‌ها */
  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  /* گوشه‌ها */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;

  /* انیمیشن */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;

  /* ساختار */
  --container-max: 1200px;
  --header-h: 72px;
}

/* ─────────────────────────────────────────
   ۲. RESET & BASE
   ───────────────────────────────────────── */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-base);
  font-size: var(--text-base);
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.7;
  direction: rtl;
}

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

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

ul,
ol {
  list-style: none;
}

button {
  font-family: var(--font-base);
  cursor: pointer;
  border: none;
  background: none;
}

/* ─────────────────────────────────────────
   ۳. UTILITIES
   ───────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--space-6);
}

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

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

.section {
  padding-block: var(--space-20);
}

/* ── Divider ── */
.divider {
  width: 48px;
  height: 2px;
  background-color: var(--color-beige);
  margin-block: var(--space-6);
  border: none;
}

.divider--center {
  margin-inline: auto;
}

/* ── Buttons ── */
.btn {
  display: inline-block;
  padding: var(--space-3) var(--space-8);
  font-family: var(--font-base);
  font-size: var(--text-sm);
  font-weight: 500;
  border-radius: var(--radius-sm);
  transition: background-color var(--transition-base),
    color var(--transition-base),
    border-color var(--transition-base);
  cursor: pointer;
  letter-spacing: 0.01em;
}

.btn--primary {
  background-color: var(--color-brown);
  color: var(--color-white);
  border: 1px solid var(--color-brown);
}

.btn--primary:hover {
  background-color: var(--color-dark);
  border-color: var(--color-dark);
}

.btn--outline {
  background-color: transparent;
  color: var(--color-brown);
  border: 1px solid var(--color-beige);
}

.btn--outline:hover {
  background-color: var(--color-surface);
  border-color: var(--color-brown);
}

/* ─────────────────────────────────────────
   ۴. HEADER & NAVIGATION
   ───────────────────────────────────────── */
.header {
  position: fixed;
  top: 0;
  inset-inline: 0;
  height: var(--header-h);
  background-color: rgba(250, 248, 245, 0.92);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
  z-index: 100;
  transition: box-shadow var(--transition-base);
}

.header.scrolled {
  box-shadow: 0 2px 20px rgba(44, 36, 22, 0.08);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
  gap: 20px;
}

.nav__logo-text {
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-dark);
  letter-spacing: -0.01em;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.nav__link {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
  position: relative;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  right: 0;
  width: 0;
  height: 1.5px;
  background-color: var(--color-brown);
  transition: width var(--transition-base);
}

.nav__link:hover,
.nav__link--active {
  color: var(--color-dark);
}

.nav__link:hover::after,
.nav__link--active::after {
  width: 100%;
}

/* ── Hamburger ── */
.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-2);
}

.nav__toggle span {
  display: block;
  width: 24px;
  height: 1.5px;
  background-color: var(--color-dark);
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.nav__toggle.open span:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}
.nav__toggle.open span:nth-child(2) {
  opacity: 0;
}
.nav__toggle.open span:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}

@media (max-width: 640px) {
  .nav__toggle {
    display: flex;
  }

  .nav__links {
    display: none;
    position: absolute;
    top: var(--header-h);
    inset-inline: 0;
    background-color: var(--color-bg);
    flex-direction: column;
    gap: 0;
    border-bottom: 1px solid var(--color-border);
    padding-block: var(--space-4);
  }

  .nav__links.open {
    display: flex;
  }

  .nav__link {
    display: block;
    padding: var(--space-3) var(--space-6);
    width: 100%;
    font-size: var(--text-base);
  }

  .nav__link::after {
    display: none;
  }
}

/* ─────────────────────────────────────────
   ۵. HERO (تمام‌صفحه با اسلایدر)
   ───────────────────────────────────────── */
.hero {
  position: relative;
  height: 100svh;
  min-height: 100vh;
  width: 100%;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  padding-top: var(--header-h);
  box-sizing: border-box;
}

.hero__slider {
  position: absolute;
  inset: 0;
  z-index: 1;
}

.hero__slide {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transition: opacity 1s ease-in-out;
  will-change: opacity;
}

.hero__slide.active {
  opacity: 1;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  z-index: 2;
  background: rgba(0, 0, 0, 0.35);
}

.hero__content {
  position: relative;
  z-index: 3;
  width: 100%;
  max-width: var(--container-max);
  padding-inline: var(--space-6);
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100%;
  padding-bottom: var(--space-10);
}

.hero__box {
  max-width: 640px;
  width: 100%;
  padding: var(--space-10) var(--space-12);
  background: rgba(250, 248, 245, 0.15);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.08);
  text-align: center;
  transition: all var(--transition-base);
}

.hero__title {
  font-size: var(--text-5xl);
  font-weight: 700;
  color: var(--color-white);
  line-height: 1.3;
  letter-spacing: -0.02em;
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

.hero__subtitle {
  font-size: var(--text-lg);
  color: rgba(255, 255, 255, 0.85);
  font-weight: 300;
  margin-bottom: var(--space-6);
  text-shadow: 0 1px 12px rgba(0, 0, 0, 0.2);
}

.hero__box .divider {
  background-color: var(--color-beige);
  margin-inline: auto;
  margin-block: var(--space-4);
}

/* Hero Dots & Buttons */
.hero__dots {
  position: absolute;
  bottom: var(--space-6);
  left: 50%;
  transform: translateX(-50%);
  z-index: 5;
  display: flex;
  gap: var(--space-2);
}

.hero__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.5);
  background: transparent;
  cursor: pointer;
  transition: all var(--transition-base);
  padding: 0;
}

.hero__dot.active {
  background: var(--color-white);
  border-color: var(--color-white);
  transform: scale(1.2);
}

.hero__slider-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 5;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(4px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--color-white);
  font-size: 18px;
  cursor: pointer;
  transition: all var(--transition-base);
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero__slider-btn:hover {
  background: rgba(255, 255, 255, 0.3);
  transform: translateY(-50%) scale(1.05);
}

.hero__slider-btn--prev {
  left: var(--space-4);
}
.hero__slider-btn--next {
  right: var(--space-4);
}

@media (max-width: 768px) {
  .hero__box {
    padding: var(--space-8) var(--space-6);
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(6px);
    border: 1px solid rgba(255, 255, 255, 0.05);
  }

  .hero__title {
    font-size: var(--text-3xl);
  }

  .hero__subtitle {
    font-size: var(--text-base);
  }

  .hero__slider-btn {
    width: 36px;
    height: 36px;
    font-size: 14px;
    opacity: 0.6;
  }

  .hero__slider-btn--prev {
    left: var(--space-2);
  }
  .hero__slider-btn--next {
    right: var(--space-2);
  }

  .hero__overlay {
    background: rgba(0, 0, 0, 0.5);
  }
}

@media (max-width: 480px) {
  .hero__title {
    font-size: var(--text-2xl);
  }
  .hero__box {
    padding: var(--space-6) var(--space-4);
  }
  .hero__dots {
    bottom: var(--space-4);
  }
  .hero__dot {
    width: 8px;
    height: 8px;
  }
}

/* ─────────────────────────────────────────
   ۶. ABOUT
   ───────────────────────────────────────── */
.about {
  background-color: var(--color-surface);
}

.about__content {
  max-width: 640px;
}

.about__title {
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--color-dark);
}

.about__text {
  font-size: var(--text-lg);
  color: var(--color-text);
  font-weight: 300;
  line-height: 2;
}

/* ─────────────────────────────────────────
   ۷. PROJECTS PREVIEW (صفحه اصلی)
   ───────────────────────────────────────── */
.projects-preview {
  padding-block: var(--space-16);
}

.projects-preview__title {
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--color-dark);
  text-align: center;
}

/* ── Grid اصلی با فاصله مناسب ── */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  margin-top: var(--space-8);
}

/* ── کارت پروژه ── */
.project-card {
  display: block;
  overflow: hidden;
  border-radius: var(--radius-md);
  background-color: var(--color-white);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  box-shadow: 0 2px 12px rgba(44, 36, 22, 0.06);
}

.project-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 28px rgba(44, 36, 22, 0.12);
}

.project-card__image {
  aspect-ratio: 16 / 10;
  background-color: var(--color-border);
  overflow: hidden;
  position: relative;
}

.project-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
  display: block;
}

.project-card:hover .project-card__image img {
  transform: scale(1.04);
}

.project-card__content {
  padding: var(--space-4) var(--space-4) var(--space-5);
}

.project-card__category {
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-brown);
  letter-spacing: 0.05em;
  margin-bottom: var(--space-1);
}

.project-card__title {
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-dark);
  margin-bottom: var(--space-1);
  line-height: 1.4;
}

.project-card__meta {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
  margin-top: var(--space-2);
}

.project-card__meta span {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

.projects-preview__cta {
  text-align: center;
  margin-top: var(--space-12);
}
/* ─────────────────────────────────────────
   ۸. PROJECTS PAGE (صفحه پروژه‌ها)
   ───────────────────────────────────────── */
.page-hero {
  padding-top: calc(var(--header-h) + var(--space-12));
  padding-bottom: var(--space-8);
  border-bottom: 1px solid var(--color-border);
}

.page-hero__label {
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-brown);
  letter-spacing: 0.08em;
  margin-bottom: var(--space-2);
}

.page-hero__title {
  font-size: var(--text-3xl);
  font-weight: 700;
  color: var(--color-dark);
  line-height: 1.2;
}

.page-hero__subtitle {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  font-weight: 300;
  margin-top: var(--space-2);
  max-width: 480px;
}

/* ── Filter Tabs ── */
.filter-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  flex-wrap: wrap;
  padding-block: var(--space-4);
}

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

.filter-tab {
  padding: var(--space-1) var(--space-4);
  font-family: var(--font-base);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
  border-radius: 100px;
  background: transparent;
  cursor: pointer;
  transition: all var(--transition-base);
  white-space: nowrap;
}

.filter-tab:hover {
  border-color: var(--color-beige);
  color: var(--color-text);
}

.filter-tab.active {
  background-color: var(--color-dark);
  border-color: var(--color-dark);
  color: var(--color-white);
}

.projects-count {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  white-space: nowrap;
}

.projects-count span {
  font-weight: 600;
  color: var(--color-text);
}

/* ── Projects Full Grid ── */
.projects-full {
  padding-bottom: var(--space-16);
}

.projects-full .projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
  margin-top: 0;
}

/* ── کارت‌های صفحه projects (کوچک‌تر) ── */
.projects-full .project-card {
  max-width: 380px;
  margin: 0 auto;
  width: 100%;
}

.projects-full .project-card__image {
  aspect-ratio: 16 / 10;
}

.projects-full .project-card__content {
  padding: var(--space-3) var(--space-3) var(--space-4);
}

.projects-full .project-card__title {
  font-size: var(--text-sm);
}

.projects-full .project-card__meta span {
  font-size: var(--text-xs);
}

.project-card--hidden {
  display: none;
}

.empty-state {
  grid-column: 1 / -1;
  text-align: center;
  padding-block: var(--space-20);
  color: var(--color-text-muted);
  font-size: var(--text-lg);
  font-weight: 300;
}
/* ─────────────────────────────────────────
   ۹. PROJECT DETAIL - GALLERY
   ───────────────────────────────────────── */
.project-gallery {
  width: 100%;
  padding-top: calc(var(--header-h) + var(--space-4));
  background-color: var(--color-bg);
}

.project-gallery__container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-4);
}

.project-gallery__main {
  width: 100%;
  aspect-ratio: 16 / 9;
  background-color: var(--color-surface);
  border-radius: var(--radius-md);
  overflow: hidden;
  position: relative;
}

.gallery__main-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
  background-color: var(--color-surface);
}

.project-gallery__thumbs {
  display: flex;
  gap: var(--space-3);
  margin-top: var(--space-4);
  overflow-x: auto;
  padding-bottom: var(--space-2);
  flex-wrap: nowrap;
}

.project-gallery__thumbs::-webkit-scrollbar {
  height: 4px;
}
.project-gallery__thumbs::-webkit-scrollbar-track {
  background: var(--color-border);
  border-radius: 4px;
}
.project-gallery__thumbs::-webkit-scrollbar-thumb {
  background: var(--color-beige);
  border-radius: 4px;
}

.gallery__thumb {
  flex: 0 0 120px;
  aspect-ratio: 16 / 10;
  border-radius: var(--radius-sm);
  overflow: hidden;
  cursor: pointer;
  opacity: 0.5;
  transition: all var(--transition-base);
  border: 2px solid transparent;
  position: relative;
}

.gallery__thumb:hover {
  opacity: 0.8;
}

.gallery__thumb.active {
  opacity: 1;
  border-color: var(--color-brown);
  box-shadow: 0 0 0 2px var(--color-brown);
}

.gallery__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.gallery__placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  font-size: var(--text-lg);
}

/* ─────────────────────────────────────────
   ۱۰. PROJECT DETAIL - INFO
   ───────────────────────────────────────── */
.project-detail {
  padding-bottom: var(--space-24);
}

.project-detail__info {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--space-8);
  align-items: flex-start;
  padding-block: var(--space-8);
  border-bottom: 1px solid var(--color-border);
}

.project-detail__category {
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-brown);
  letter-spacing: 0.08em;
  margin-bottom: var(--space-2);
}

.project-detail__title {
  font-size: var(--text-3xl);
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: var(--space-4);
}

.project-detail__description {
  max-width: 560px;
  padding-top: var(--space-8);
  font-size: var(--text-lg);
  font-weight: 300;
  line-height: 2;
  color: var(--color-text);
}

.project-detail__meta {
  display: flex;
  gap: var(--space-6);
  flex-wrap: wrap;
}

.project-detail__meta-item {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.project-detail__meta-item strong {
  color: var(--color-text);
  font-weight: 500;
  margin-left: var(--space-1);
}

.project-detail__nav {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  text-align: center;
}

.project-detail__nav-btn {
  padding: var(--space-3) var(--space-6);
  font-family: var(--font-base);
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: transparent;
  cursor: pointer;
  transition: all var(--transition-base);
  white-space: nowrap;
}

.project-detail__nav-btn:hover {
  border-color: var(--color-brown);
  color: var(--color-brown);
}

.project-detail__nav-btn:disabled {
  opacity: 0.3;
  pointer-events: none;
}

/* ─────────────────────────────────────────
   ۱۱. FOOTER
   ───────────────────────────────────────── */
.footer {
  background-color: var(--color-dark);
  color: var(--color-beige);
  padding-block: var(--space-12);
}

.footer__content {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-8);
  padding-bottom: var(--space-8);
  border-bottom: 1px solid rgba(201, 185, 154, 0.15);
}

.footer__logo {
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: var(--space-2);
}

.footer__tagline {
  font-size: var(--text-sm);
  color: rgba(201, 185, 154, 0.6);
}

.footer__links {
  display: flex;
  gap: var(--space-6);
}

.footer__link {
  font-size: var(--text-sm);
  color: rgba(201, 185, 154, 0.7);
  transition: color var(--transition-fast);
}

.footer__link:hover {
  color: var(--color-white);
}

.footer__bottom {
  padding-top: var(--space-6);
}

.footer__copyright {
  color: rgba(201, 185, 154, 0.4);
}

/* ─────────────────────────────────────────
   ۱۲. CONTACT PAGE
   ───────────────────────────────────────── */
.contact-section {
  padding: var(--space-16) 0;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: start;
}

.contact-form-wrapper h2,
.contact-info h2 {
  font-size: 1.5rem;
  margin-bottom: var(--space-6);
  color: var(--color-text);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

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

.form-group label {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-family: inherit;
  font-size: 1rem;
  background: var(--color-bg);
  color: var(--color-text);
  transition: border-color var(--transition-fast);
  box-sizing: border-box;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-brown);
}

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

.required {
  color: #e53e3e;
}

.form-status {
  font-size: 0.9rem;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-md);
  display: none;
}

.form-status.success {
  display: block;
  background: #f0fff4;
  color: #276749;
  border: 1px solid #9ae6b4;
}

.form-status.error {
  display: block;
  background: #fff5f5;
  color: #c53030;
  border: 1px solid #feb2b2;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
}

.contact-info-icon {
  font-size: 1.4rem;
  flex-shrink: 0;
  margin-top: 2px;
}

.contact-info-item h3 {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 4px;
}

.contact-info-item p {
  color: var(--color-text);
  font-size: 0.95rem;
}

.social-link {
  color: var(--color-brown);
  text-decoration: none;
  font-size: 0.95rem;
}

.social-link:hover {
  text-decoration: underline;
}

.input-error {
  border-color: #e53e3e !important;
}

.field-error {
  color: #e53e3e;
  font-size: 0.8rem;
}

/* ─────────────────────────────────────────
   ۱۳. RESPONSIVE BREAKPOINTS
   ───────────────────────────────────────── */

/* ── دسکتاپ بزرگ (1200px+) ── */
@media (min-width: 1200px) {
  .projects-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
  }
  .projects-full .projects-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-5);
  }
}

/* ── لپ‌تاپ (992px - 1199px) ── */
@media (max-width: 1199px) and (min-width: 993px) {
  .projects-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-5);
  }
  .projects-full .projects-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-5);
  }
}

/* ── تبلت بزرگ / لپ‌تاپ کوچک (769px - 992px) ── */
@media (max-width: 992px) and (min-width: 769px) {
  .projects-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-5);
  }
  .projects-full .projects-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-4);
  }
  .projects-full .project-card {
    max-width: 340px;
  }
}

/* ── تبلت (641px - 768px) ── */
@media (max-width: 768px) {
  .projects-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-4);
  }
  .projects-full .projects-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-3);
  }
  .projects-full .project-card {
    max-width: 100%;
  }

  .project-card__image {
    aspect-ratio: 4 / 3;
  }

  .project-gallery {
    padding-top: calc(var(--header-h) + var(--space-2));
  }
  .project-gallery__main {
    aspect-ratio: 4 / 3;
    border-radius: var(--radius-sm);
  }
  .gallery__thumb {
    flex: 0 0 80px;
  }

  .project-detail__info {
    grid-template-columns: 1fr;
  }
  .project-detail__nav {
    flex-direction: row;
    justify-content: flex-start;
  }

  .page-hero__title {
    font-size: var(--text-2xl);
  }
  .page-hero {
    padding-top: calc(var(--header-h) + var(--space-8));
  }

  .contact-grid {
    grid-template-columns: 1fr;
  }

  .footer__content {
    flex-direction: column;
    gap: var(--space-6);
  }
  .footer__links {
    gap: var(--space-4);
  }

  .filter-bar {
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-3);
  }
  .filter-tabs {
    justify-content: center;
  }
  .filter-tab {
    padding: var(--space-1) var(--space-3);
    font-size: var(--text-xs);
  }
  .projects-count {
    text-align: center;
  }
}

/* ── موبایل (480px - 640px) ── */
@media (max-width: 640px) {
  .projects-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3);
  }
  .projects-full .projects-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3);
  }
  .project-card__image {
    aspect-ratio: 4 / 3;
  }
  .project-card__content {
    padding: var(--space-2) var(--space-3) var(--space-3);
  }
  .project-card__title {
    font-size: var(--text-sm);
  }
  .project-card__meta span {
    font-size: var(--text-xs);
  }
}

/* ── موبایل کوچک (زیر 480px) ── */
@media (max-width: 480px) {
  .projects-grid {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }
  .projects-full .projects-grid {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }
  .project-card__image {
    aspect-ratio: 16 / 10;
  }

  .project-gallery__main {
    aspect-ratio: 1 / 1;
  }
  .gallery__thumb {
    flex: 0 0 60px;
  }

  .hero__title {
    font-size: var(--text-2xl);
  }
  .hero__box {
    padding: var(--space-6) var(--space-4);
  }
  
  .page-hero__title {
    font-size: var(--text-xl);
  }
}