/* ===== Reset & Base ===== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --bg: #faf8f5;
  --bg-alt: #f3efe9;
  --text: #2c2a26;
  --text-muted: #6b6560;
  --accent: #8b7355;
  --accent-dark: #6d5a43;
  --border: #e8e2d9;
  --white: #ffffff;
  --radius: 12px;
  --shadow: 0 10px 40px rgba(44, 42, 38, 0.08);
  --font: 'Vazirmatn', system-ui, sans-serif;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  font-size: 16px;
}

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

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

ul {
  list-style: none;
}

.container {
  width: 100%;
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
}

.eyebrow {
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 500;
  margin-bottom: 8px;
}

.section-header {
  text-align: center;
  margin-bottom: 48px;
}

.section-header h2 {
  font-size: clamp(1.6rem, 4vw, 2.2rem);
  font-weight: 600;
  color: var(--text);
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 28px;
  border-radius: 50px;
  font-family: var(--font);
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.25s ease;
  border: 2px solid transparent;
}

.btn-primary {
  background: var(--accent);
  color: var(--white);
}

.btn-primary:hover {
  background: var(--accent-dark);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  border-color: var(--text);
  color: var(--text);
}

.btn-outline:hover {
  background: var(--text);
  color: var(--white);
}

.btn-full {
  width: 100%;
}

/* ===== Header ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(250, 248, 245, 0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.logo span {
  color: var(--accent);
}

.nav-links {
  display: flex;
  gap: 32px;
}

.nav-links a {
  font-size: 0.95rem;
  font-weight: 450;
  color: var(--text-muted);
  transition: color 0.2s;
}

.nav-links a:hover {
  color: var(--text);
}

.menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.menu-btn span {
  width: 22px;
  height: 2px;
  background: var(--text);
  transition: 0.3s;
}

/* ===== Hero ===== */
.hero {
  padding: 140px 0 80px;
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-text h1 {
  font-size: clamp(2rem, 5vw, 3.1rem);
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: 20px;
  letter-spacing: -0.03em;
}

.hero-desc {
  color: var(--text-muted);
  font-size: 1.05rem;
  margin-bottom: 32px;
  max-width: 440px;
}

.hero-btns {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-image {
  position: relative;
}

.hero-image img {
  border-radius: 20px;
  width: 100%;
  height: 480px;
  object-fit: cover;
  box-shadow: var(--shadow);
}

.hero-badge {
  position: absolute;
  bottom: -20px;
  left: 24px;
  background: var(--white);
  padding: 16px 22px;
  border-radius: 14px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.hero-badge strong {
  font-size: 1.5rem;
  color: var(--accent);
}

.hero-badge span {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ===== Services ===== */
.services {
  padding: 80px 0;
  background: var(--bg-alt);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.service-card {
  background: var(--white);
  padding: 32px 24px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  transition: transform 0.25s, box-shadow 0.25s;
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
}

.service-icon {
  font-size: 1.6rem;
  color: var(--accent);
  margin-bottom: 16px;
}

.service-card h3 {
  font-size: 1.1rem;
  margin-bottom: 10px;
  font-weight: 600;
}

.service-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ===== Portfolio ===== */
.portfolio {
  padding: 80px 0;
}

.filter-btns {
  display: flex;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.filter-btn {
  padding: 8px 20px;
  border-radius: 50px;
  border: 1px solid var(--border);
  background: transparent;
  font-family: var(--font);
  font-size: 0.9rem;
  cursor: pointer;
  color: var(--text-muted);
  transition: all 0.2s;
}

.filter-btn.active,
.filter-btn:hover {
  background: var(--accent);
  color: var(--white);
  border-color: var(--accent);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.portfolio-item {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  aspect-ratio: 4/3;
  cursor: pointer;
}

.portfolio-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.portfolio-item:hover img {
  transform: scale(1.06);
}

.portfolio-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(44,42,38,0.75) 0%, transparent 55%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 24px;
  opacity: 0;
  transition: opacity 0.3s;
}

.portfolio-item:hover .portfolio-overlay {
  opacity: 1;
}

.portfolio-overlay h3 {
  color: white;
  font-size: 1.15rem;
  margin-bottom: 4px;
}

.portfolio-overlay p {
  color: rgba(255,255,255,0.8);
  font-size: 0.85rem;
}

/* ===== Process ===== */
.process {
  padding: 80px 0;
  background: var(--bg-alt);
}

.process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}

.step {
  text-align: center;
  padding: 0 12px;
}

.step-num {
  display: block;
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
  opacity: 0.35;
  margin-bottom: 12px;
  letter-spacing: -0.03em;
}

.step h3 {
  font-size: 1.1rem;
  margin-bottom: 8px;
  font-weight: 600;
}

.step p {
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* ===== Contact ===== */
.contact {
  padding: 80px 0 100px;
}

.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 60px;
  align-items: start;
  background: var(--white);
  border-radius: 24px;
  padding: 48px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.contact-info h2 {
  font-size: 1.8rem;
  margin-bottom: 16px;
  line-height: 1.3;
}

.contact-info > p {
  color: var(--text-muted);
  margin-bottom: 32px;
}

.contact-list li {
  display: flex;
  justify-content: space-between;
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.95rem;
}

.contact-list li strong {
  font-weight: 500;
}

.contact-list li span {
  color: var(--text-muted);
}

/* Form */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-group label {
  display: block;
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: 8px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 13px 16px;
  border: 1px solid var(--border);
  border-radius: 10px;
  font-family: var(--font);
  font-size: 0.95rem;
  background: var(--bg);
  transition: border-color 0.2s;
}

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

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.radio-group {
  display: flex;
  gap: 12px;
}

.radio-label {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: 10px;
  cursor: pointer;
  font-size: 0.9rem;
  transition: all 0.2s;
}

.radio-label:has(input:checked) {
  border-color: var(--accent);
  background: rgba(139, 115, 85, 0.08);
}

.radio-label input {
  accent-color: var(--accent);
}

.form-note {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-align: center;
  margin-top: -8px;
}

.hidden {
  display: none;
}

/* ===== Footer ===== */
.footer {
  background: var(--text);
  color: rgba(255,255,255,0.85);
  padding-top: 48px;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 32px;
  flex-wrap: wrap;
  gap: 24px;
}

.footer-brand .logo {
  color: white;
  margin-bottom: 8px;
  display: inline-block;
}

.footer-brand p {
  font-size: 0.9rem;
  opacity: 0.7;
}

.footer-links,
.footer-social {
  display: flex;
  gap: 24px;
}

.footer-links a,
.footer-social a {
  font-size: 0.9rem;
  opacity: 0.75;
  transition: opacity 0.2s;
}

.footer-links a:hover,
.footer-social a:hover {
  opacity: 1;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 20px 0;
  text-align: center;
  font-size: 0.85rem;
  opacity: 0.6;
}

/* ===== Responsive ===== */
@media (max-width: 960px) {
  .hero-content {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .hero-image img {
    height: 360px;
  }

  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .portfolio-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .process-steps {
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
  }

  .contact-wrapper {
    grid-template-columns: 1fr;
    padding: 32px 24px;
  }
}

@media (max-width: 640px) {
  .nav-links {
    position: fixed;
    top: 72px;
    right: 0;
    left: 0;
    background: var(--bg);
    flex-direction: column;
    padding: 24px;
    gap: 16px;
    border-bottom: 1px solid var(--border);
    transform: translateY(-120%);
    opacity: 0;
    transition: all 0.3s ease;
    pointer-events: none;
  }

  .nav-links.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .menu-btn {
    display: flex;
  }

  .services-grid,
  .portfolio-grid,
  .process-steps {
    grid-template-columns: 1fr;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .hero {
    padding: 120px 0 60px;
  }

  .hero-btns {
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }
}