/* ============================================================
   Dorsabaf — Premium Industrial Textile Corporate CSS
   Design Direction: Deep steel + warm copper + cream
   Typography: Vazirmatn (Persian) | RTL-first
   ============================================================ */

/* ── Tokens ─────────────────────────────────────────────── */
:root {
  /* Palette */
  --c-night:   #0D0F12;
  --c-steel:   #1A1E26;
  --c-iron:    #252B35;
  --c-slate:   #3A4250;
  --c-copper:  #B5763C;
  --c-gold:    #D4954A;
  --c-amber:   #E8B86D;
  --c-cream:   #F5F0E8;
  --c-white:   #FAFAF8;
  --c-muted:   #8A909C;
  --c-border:  #2E333D;
  --c-danger:  #C0392B;
  --c-success: #27AE60;

  /* Typography */
  --font-main: 'Vazirmatn', 'Tahoma', sans-serif;
  --font-mono: 'Courier New', monospace;

  /* Scale */
  --step--1: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --step-0:  clamp(0.9rem, 0.85rem + 0.25vw, 1rem);
  --step-1:  clamp(1.1rem, 1rem + 0.5vw, 1.25rem);
  --step-2:  clamp(1.3rem, 1.1rem + 1vw, 1.75rem);
  --step-3:  clamp(1.7rem, 1.3rem + 2vw, 2.5rem);
  --step-4:  clamp(2.2rem, 1.5rem + 3.5vw, 3.75rem);
  --step-5:  clamp(2.8rem, 1.5rem + 6.5vw, 5.5rem);

  /* Space */
  --sp-xs:   0.375rem;
  --sp-sm:   0.75rem;
  --sp-md:   1.25rem;
  --sp-lg:   2rem;
  --sp-xl:   3.5rem;
  --sp-2xl:  6rem;
  --sp-3xl:  10rem;

  /* Effects */
  --radius-sm: 4px;
  --radius:    8px;
  --radius-lg: 16px;
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.25);
  --shadow:    0 8px 32px rgba(0,0,0,0.4);
  --shadow-lg: 0 24px 64px rgba(0,0,0,0.5);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-main);
  font-size: var(--step-0);
  line-height: 1.75;
  color: var(--c-cream);
  background: var(--c-night);
  direction: rtl;
  text-align: right;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
input, textarea, select, button { font-family: inherit; }
button { cursor: pointer; border: none; background: none; }

/* ── Utilities ───────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: 1200px;
  margin-inline: auto;
  padding-inline: var(--sp-md);
}

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

.text-copper { color: var(--c-copper); }
.text-gold   { color: var(--c-gold); }
.text-muted  { color: var(--c-muted); }
.text-center { text-align: center; }

/* ── Section Label ───────────────────────────────────────── */
.section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-sm);
  font-size: var(--step--1);
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--c-copper);
  text-transform: uppercase;
  margin-bottom: var(--sp-sm);
}
.section-eyebrow::before {
  content: '';
  display: block;
  width: 24px; height: 2px;
  background: var(--c-copper);
}

.section-title {
  font-size: var(--step-3);
  font-weight: 800;
  line-height: 1.25;
  color: var(--c-white);
}

.section-subtitle {
  font-size: var(--step-1);
  color: var(--c-muted);
  margin-top: var(--sp-sm);
  max-width: 56ch;
}

/* ── Header / Nav ────────────────────────────────────────── */
.site-header {
  position: fixed;
  top: 0; inset-inline: 0;
  z-index: 1000;
  transition: background var(--transition), box-shadow var(--transition), padding var(--transition);
  padding-block: var(--sp-md);
}

.site-header.scrolled {
  background: rgba(13, 15, 18, 0.96);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 2px 32px rgba(0,0,0,0.4);
  padding-block: var(--sp-sm);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-lg);
}

.site-logo {
  display: flex;
  align-items: center;
  gap: var(--sp-sm);
  flex-shrink: 0;
}

.site-logo img { height: 44px; width: auto; }

.logo-wordmark {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.logo-name {
  font-size: 1.25rem;
  font-weight: 900;
  color: var(--c-white);
  letter-spacing: -0.02em;
}

.logo-sub {
  font-size: 0.65rem;
  color: var(--c-copper);
  letter-spacing: 0.1em;
  font-weight: 500;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: var(--sp-xs);
}

.nav-link {
  position: relative;
  font-size: var(--step--1);
  font-weight: 500;
  color: var(--c-muted);
  padding: var(--sp-xs) var(--sp-sm);
  border-radius: var(--radius-sm);
  transition: color var(--transition);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0; right: var(--sp-sm); left: var(--sp-sm);
  height: 2px;
  background: var(--c-copper);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--transition);
}

.nav-link:hover, .nav-link.active {
  color: var(--c-white);
}

.nav-link:hover::after, .nav-link.active::after {
  transform: scaleX(1);
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-xs);
  background: var(--c-copper);
  color: var(--c-night) !important;
  padding: 0.5rem var(--sp-md);
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: var(--step--1);
  transition: background var(--transition), transform var(--transition);
  white-space: nowrap;
}

.nav-cta:hover {
  background: var(--c-gold);
  transform: translateY(-1px);
}

.nav-cta::after { display: none !important; }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--sp-xs);
}

.hamburger span {
  display: block;
  width: 24px; height: 2px;
  background: var(--c-cream);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

/* ── Hero Slider ─────────────────────────────────────────── */
.hero-slider {
  position: relative;
  height: 100vh;
  min-height: 600px;
  overflow: hidden;
  background: var(--c-night);
}

.slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.8s ease;
}

.slide.active { opacity: 1; }

.slide-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transform: scale(1.05);
  transition: transform 6s ease;
}

.slide.active .slide-bg { transform: scale(1); }

.slide-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    105deg,
    rgba(13,15,18,0.85) 0%,
    rgba(13,15,18,0.5) 50%,
    rgba(13,15,18,0.2) 100%
  );
}

.slide-content {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  padding-top: 80px;
}

.slide-inner {
  max-width: 720px;
}

.slide-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-sm);
  font-size: var(--step--1);
  font-weight: 700;
  color: var(--c-copper);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: var(--sp-md);
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s 0.2s ease, transform 0.6s 0.2s ease;
}

.slide.active .slide-eyebrow {
  opacity: 1; transform: translateY(0);
}

.slide-eyebrow::before {
  content: '';
  display: block;
  width: 32px; height: 2px;
  background: var(--c-copper);
}

.slide-title {
  font-size: var(--step-5);
  font-weight: 900;
  line-height: 1.1;
  color: var(--c-white);
  margin-bottom: var(--sp-md);
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s 0.4s ease, transform 0.6s 0.4s ease;
}

.slide.active .slide-title {
  opacity: 1; transform: translateY(0);
}

.slide-subtitle {
  font-size: var(--step-1);
  color: rgba(245,240,232,0.75);
  margin-bottom: var(--sp-lg);
  max-width: 52ch;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s 0.6s ease, transform 0.6s 0.6s ease;
}

.slide.active .slide-subtitle {
  opacity: 1; transform: translateY(0);
}

.slide-actions {
  display: flex;
  gap: var(--sp-md);
  flex-wrap: wrap;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s 0.8s ease, transform 0.6s 0.8s ease;
}

.slide.active .slide-actions {
  opacity: 1; transform: translateY(0);
}

.slider-controls {
  position: absolute;
  bottom: var(--sp-xl);
  right: 0; left: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-sm);
  z-index: 10;
}

.slider-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: rgba(245,240,232,0.3);
  border: none;
  cursor: pointer;
  transition: background var(--transition), width var(--transition);
}

.slider-dot.active {
  background: var(--c-copper);
  width: 28px;
  border-radius: 4px;
}

.slider-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 10;
  width: 48px; height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(13,15,18,0.5);
  border: 1px solid rgba(245,240,232,0.15);
  border-radius: 50%;
  color: var(--c-cream);
  font-size: 1.25rem;
  transition: background var(--transition), border-color var(--transition);
}

.slider-arrow:hover {
  background: var(--c-copper);
  border-color: var(--c-copper);
}

.slider-arrow.prev { right: var(--sp-lg); }
.slider-arrow.next { left: var(--sp-lg); }

.hero-scroll-indicator {
  position: absolute;
  bottom: var(--sp-xl);
  left: var(--sp-xl);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-xs);
  color: var(--c-muted);
  font-size: var(--step--1);
  z-index: 10;
}

.scroll-line {
  width: 1px; height: 48px;
  background: linear-gradient(to bottom, var(--c-copper), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%, 100% { opacity: 1; transform: scaleY(1); }
  50% { opacity: 0.4; transform: scaleY(0.7); }
}

/* ── Buttons ─────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-xs);
  font-family: inherit;
  font-weight: 700;
  border-radius: var(--radius-sm);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
  text-decoration: none;
}

.btn-lg { font-size: var(--step-0); padding: 0.875rem 2rem; }
.btn-md { font-size: var(--step--1); padding: 0.625rem 1.5rem; }
.btn-sm { font-size: var(--step--1); padding: 0.4rem 1rem; }

.btn-primary {
  background: var(--c-copper);
  color: var(--c-night);
  border-color: var(--c-copper);
}
.btn-primary:hover {
  background: var(--c-gold);
  border-color: var(--c-gold);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(181,118,60,0.35);
}

.btn-outline {
  background: transparent;
  color: var(--c-cream);
  border-color: rgba(245,240,232,0.3);
}
.btn-outline:hover {
  border-color: var(--c-cream);
  background: rgba(245,240,232,0.08);
}

.btn-ghost {
  background: transparent;
  color: var(--c-copper);
  border-color: transparent;
  padding-inline: 0;
}
.btn-ghost:hover { color: var(--c-gold); }

/* Arrow icon in buttons */
.btn-arrow::after {
  content: '←';
  transition: transform var(--transition);
}
.btn-arrow:hover::after { transform: translateX(-4px); }

/* ── Stats Strip ─────────────────────────────────────────── */
.stats-strip {
  background: var(--c-iron);
  border-top: 1px solid var(--c-border);
  border-bottom: 1px solid var(--c-border);
  padding-block: var(--sp-xl);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--sp-lg);
  text-align: center;
}

.stat-item {}

.stat-number {
  font-size: var(--step-4);
  font-weight: 900;
  color: var(--c-copper);
  line-height: 1;
  margin-bottom: var(--sp-xs);
}

.stat-label {
  font-size: var(--step--1);
  color: var(--c-muted);
  letter-spacing: 0.05em;
}

/* ── Services Section ────────────────────────────────────── */
.services-section {
  padding-block: var(--sp-3xl);
}

.services-header {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-xl);
  align-items: end;
  margin-bottom: var(--sp-2xl);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--sp-md);
}

.service-card {
  position: relative;
  background: var(--c-iron);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  padding: var(--sp-lg) var(--sp-md);
  overflow: hidden;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0; right: 0;
  width: 100%; height: 3px;
  background: linear-gradient(90deg, var(--c-copper), var(--c-amber));
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--transition);
}

.service-card:hover {
  transform: translateY(-6px);
  border-color: rgba(181,118,60,0.3);
  box-shadow: 0 24px 48px rgba(0,0,0,0.4);
}

.service-card:hover::before { transform: scaleX(1); }

.service-icon {
  width: 56px; height: 56px;
  background: linear-gradient(135deg, rgba(181,118,60,0.15), rgba(181,118,60,0.05));
  border: 1px solid rgba(181,118,60,0.2);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--sp-lg);
  font-size: 1.5rem;
  color: var(--c-copper);
  transition: background var(--transition);
}

.service-card:hover .service-icon {
  background: linear-gradient(135deg, rgba(181,118,60,0.25), rgba(181,118,60,0.1));
}

.service-number {
  position: absolute;
  top: var(--sp-lg); left: var(--sp-lg);
  font-size: 4rem;
  font-weight: 900;
  color: rgba(255,255,255,0.03);
  line-height: 1;
  user-select: none;
}

.service-title {
  font-size: var(--step-1);
  font-weight: 800;
  color: var(--c-white);
  margin-bottom: var(--sp-sm);
}

.service-desc {
  font-size: var(--step--1);
  color: var(--c-muted);
  line-height: 1.7;
}

.service-link {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-xs);
  margin-top: var(--sp-md);
  font-size: var(--step--1);
  font-weight: 600;
  color: var(--c-copper);
  transition: gap var(--transition);
}

.service-link:hover { gap: var(--sp-sm); }

/* ── About Section ───────────────────────────────────────── */
.about-section {
  padding-block: var(--sp-3xl);
  background: var(--c-steel);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-2xl);
  align-items: center;
}

.about-image-wrap {
  position: relative;
}

.about-image-wrap img {
  width: 100%;
  border-radius: var(--radius-lg);
  aspect-ratio: 4/3;
  object-fit: cover;
}

.about-badge {
  position: absolute;
  bottom: -var(--sp-lg); left: -var(--sp-lg);
  background: var(--c-copper);
  color: var(--c-night);
  border-radius: var(--radius);
  padding: var(--sp-md) var(--sp-lg);
  box-shadow: var(--shadow);
}

.badge-num {
  font-size: var(--step-3);
  font-weight: 900;
  line-height: 1;
}

.badge-label {
  font-size: var(--step--1);
  font-weight: 600;
  opacity: 0.8;
}

.about-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-md);
  margin-top: var(--sp-xl);
}

.about-feature {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-sm);
}

.feature-icon {
  width: 32px; height: 32px;
  background: rgba(181,118,60,0.1);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--c-copper);
  font-size: 0.875rem;
  flex-shrink: 0;
  margin-top: 2px;
}

.feature-text strong {
  display: block;
  font-size: var(--step--1);
  color: var(--c-white);
  font-weight: 700;
}

.feature-text span {
  font-size: var(--step--1);
  color: var(--c-muted);
}

/* ── Process Section ─────────────────────────────────────── */
.process-section {
  padding-block: var(--sp-3xl);
  overflow: hidden;
}

.process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  position: relative;
  margin-top: var(--sp-2xl);
}

.process-steps::before {
  content: '';
  position: absolute;
  top: 40px;
  right: 12.5%; left: 12.5%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--c-copper), transparent);
  z-index: 0;
}

.process-step {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 0 var(--sp-md);
}

.step-circle {
  width: 80px; height: 80px;
  border-radius: 50%;
  background: var(--c-iron);
  border: 2px solid var(--c-copper);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--sp-md);
  font-size: 1.5rem;
  color: var(--c-copper);
  position: relative;
  transition: background var(--transition), box-shadow var(--transition);
}

.step-circle:hover {
  background: var(--c-copper);
  color: var(--c-night);
  box-shadow: 0 0 0 8px rgba(181,118,60,0.1);
}

.step-num {
  position: absolute;
  top: -8px; left: -8px;
  width: 24px; height: 24px;
  background: var(--c-copper);
  color: var(--c-night);
  border-radius: 50%;
  font-size: 0.7rem;
  font-weight: 900;
  display: flex;
  align-items: center;
  justify-content: center;
}

.step-title {
  font-size: var(--step-0);
  font-weight: 700;
  color: var(--c-white);
  margin-bottom: var(--sp-xs);
}

.step-desc {
  font-size: var(--step--1);
  color: var(--c-muted);
  line-height: 1.6;
}

/* ── Blog Section ────────────────────────────────────────── */
.blog-section {
  padding-block: var(--sp-3xl);
  background: var(--c-steel);
}

.blog-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: var(--sp-2xl);
  gap: var(--sp-lg);
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-lg);
}

.post-card {
  background: var(--c-iron);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
  display: flex;
  flex-direction: column;
}

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

.post-card-image {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
}

.post-card-image img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.post-card:hover .post-card-image img { transform: scale(1.05); }

.post-category-badge {
  position: absolute;
  top: var(--sp-sm); right: var(--sp-sm);
  background: var(--c-copper);
  color: var(--c-night);
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-sm);
}

.post-card-body {
  padding: var(--sp-lg);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.post-meta {
  display: flex;
  align-items: center;
  gap: var(--sp-sm);
  font-size: var(--step--1);
  color: var(--c-muted);
  margin-bottom: var(--sp-sm);
  flex-wrap: wrap;
}

.post-meta-dot {
  width: 3px; height: 3px;
  background: var(--c-slate);
  border-radius: 50%;
}

.post-card-title {
  font-size: var(--step-1);
  font-weight: 700;
  color: var(--c-white);
  line-height: 1.4;
  margin-bottom: var(--sp-sm);
  flex: 1;
}

.post-card-excerpt {
  font-size: var(--step--1);
  color: var(--c-muted);
  line-height: 1.7;
  margin-bottom: var(--sp-md);
}

.post-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--sp-sm);
  border-top: 1px solid var(--c-border);
}

/* ── CTA Section ─────────────────────────────────────────── */
.cta-section {
  position: relative;
  padding-block: var(--sp-3xl);
  overflow: hidden;
  background: var(--c-iron);
}

.cta-bg-pattern {
  position: absolute;
  inset: 0;
  background-image: 
    radial-gradient(circle at 20% 50%, rgba(181,118,60,0.08) 0%, transparent 50%),
    radial-gradient(circle at 80% 50%, rgba(181,118,60,0.05) 0%, transparent 50%);
}

.cta-inner {
  position: relative;
  text-align: center;
  max-width: 640px;
  margin-inline: auto;
}

.cta-title {
  font-size: var(--step-3);
  font-weight: 900;
  color: var(--c-white);
  margin-bottom: var(--sp-md);
}

.cta-subtitle {
  font-size: var(--step-0);
  color: var(--c-muted);
  margin-bottom: var(--sp-xl);
  line-height: 1.7;
}

.cta-actions {
  display: flex;
  gap: var(--sp-md);
  justify-content: center;
  flex-wrap: wrap;
}

/* ── Contact Page ────────────────────────────────────────── */
.contact-section { padding-block: var(--sp-3xl); }
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: var(--sp-2xl);
  align-items: start;
}

.contact-info-card {
  background: var(--c-iron);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  padding: var(--sp-xl);
}

.contact-info-item {
  display: flex;
  gap: var(--sp-md);
  padding-block: var(--sp-lg);
  border-bottom: 1px solid var(--c-border);
}

.contact-info-item:last-child { border-bottom: none; }

.contact-info-icon {
  width: 48px; height: 48px;
  background: rgba(181,118,60,0.1);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--c-copper);
  font-size: 1.25rem;
  flex-shrink: 0;
}

.contact-info-title {
  font-size: var(--step--1);
  color: var(--c-muted);
  margin-bottom: var(--sp-xs);
}

.contact-info-value {
  font-size: var(--step-0);
  color: var(--c-white);
  font-weight: 600;
  direction: ltr;
  text-align: right;
}

/* ── Form ────────────────────────────────────────────────── */
.form-card {
  background: var(--c-iron);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  padding: var(--sp-xl);
}

.form-title {
  font-size: var(--step-2);
  font-weight: 800;
  color: var(--c-white);
  margin-bottom: var(--sp-lg);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-md);
}

.form-group {
  margin-bottom: var(--sp-md);
}

.form-label {
  display: block;
  font-size: var(--step--1);
  color: var(--c-muted);
  font-weight: 600;
  margin-bottom: var(--sp-xs);
}

.form-control {
  width: 100%;
  background: var(--c-steel);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  color: var(--c-cream);
  font-family: inherit;
  font-size: var(--step-0);
  padding: 0.75rem var(--sp-md);
  transition: border-color var(--transition), box-shadow var(--transition);
  direction: rtl;
  text-align: right;
}

.form-control:focus {
  outline: none;
  border-color: var(--c-copper);
  box-shadow: 0 0 0 3px rgba(181,118,60,0.15);
}

.form-control::placeholder { color: var(--c-slate); }

textarea.form-control { resize: vertical; min-height: 130px; }

.form-captcha {
  display: flex;
  align-items: center;
  gap: var(--sp-md);
}

.captcha-question {
  background: var(--c-steel);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: 0.75rem var(--sp-md);
  color: var(--c-copper);
  font-weight: 700;
  white-space: nowrap;
}

.honeypot { display: none !important; }

.form-alert {
  padding: var(--sp-md);
  border-radius: var(--radius);
  margin-bottom: var(--sp-md);
  font-weight: 600;
}

.form-alert-success {
  background: rgba(39,174,96,0.12);
  border: 1px solid rgba(39,174,96,0.3);
  color: #4caf7d;
}

.form-alert-error {
  background: rgba(192,57,43,0.12);
  border: 1px solid rgba(192,57,43,0.3);
  color: #e57373;
}

/* ── Blog Page ───────────────────────────────────────────── */
.page-hero {
  padding-top: calc(80px + var(--sp-2xl));
  padding-bottom: var(--sp-2xl);
  background: var(--c-steel);
  border-bottom: 1px solid var(--c-border);
}

.page-hero-title {
  font-size: var(--step-4);
  font-weight: 900;
  color: var(--c-white);
}

.page-hero-breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--sp-xs);
  font-size: var(--step--1);
  color: var(--c-muted);
  margin-top: var(--sp-sm);
}

.page-hero-breadcrumb a { color: var(--c-copper); }
.page-hero-breadcrumb a:hover { color: var(--c-gold); }
.page-hero-breadcrumb-sep { color: var(--c-border); }

.blog-layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: var(--sp-xl);
  padding-block: var(--sp-2xl);
  align-items: start;
}

.blog-sidebar {}

.sidebar-widget {
  background: var(--c-iron);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  padding: var(--sp-lg);
  margin-bottom: var(--sp-lg);
}

.widget-title {
  font-size: var(--step-0);
  font-weight: 800;
  color: var(--c-white);
  margin-bottom: var(--sp-md);
  padding-bottom: var(--sp-sm);
  border-bottom: 2px solid var(--c-copper);
}

.category-link {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-block: var(--sp-xs);
  color: var(--c-muted);
  font-size: var(--step--1);
  border-bottom: 1px solid var(--c-border);
  transition: color var(--transition);
}

.category-link:hover { color: var(--c-copper); }
.category-link:last-child { border-bottom: none; }

.category-count {
  background: var(--c-steel);
  color: var(--c-muted);
  font-size: 0.7rem;
  padding: 0.1rem 0.5rem;
  border-radius: 99px;
}

.search-form { display: flex; gap: var(--sp-xs); }
.search-input {
  flex: 1;
  background: var(--c-steel);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-sm);
  padding: 0.5rem var(--sp-sm);
  color: var(--c-cream);
  font-family: inherit;
  font-size: var(--step--1);
}
.search-input:focus { outline: none; border-color: var(--c-copper); }
.search-btn {
  background: var(--c-copper);
  color: var(--c-night);
  border-radius: var(--radius-sm);
  padding: 0.5rem var(--sp-sm);
  font-weight: 700;
  font-size: var(--step--1);
}
.search-btn:hover { background: var(--c-gold); }

/* ── Single Post ─────────────────────────────────────────── */
.single-post-hero {
  position: relative;
  height: 480px;
  overflow: hidden;
}

.single-post-hero-img {
  width: 100%; height: 100%;
  object-fit: cover;
}

.single-post-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(13,15,18,0.9) 0%, rgba(13,15,18,0.3) 100%);
}

.single-post-hero-content {
  position: absolute;
  bottom: var(--sp-2xl);
  right: 0; left: 0;
}

.single-post-layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: var(--sp-xl);
  padding-block: var(--sp-2xl);
  align-items: start;
}

.post-body {
  background: var(--c-iron);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  padding: var(--sp-xl);
}

.post-content {
  color: var(--c-cream);
  line-height: 1.9;
  font-size: var(--step-0);
}

.post-content h2 {
  font-size: var(--step-2);
  font-weight: 800;
  color: var(--c-white);
  margin: var(--sp-xl) 0 var(--sp-md);
}

.post-content h3 {
  font-size: var(--step-1);
  font-weight: 700;
  color: var(--c-white);
  margin: var(--sp-lg) 0 var(--sp-sm);
}

.post-content p { margin-bottom: var(--sp-md); }

.post-content a { color: var(--c-copper); }
.post-content a:hover { color: var(--c-gold); text-decoration: underline; }

.post-content img {
  border-radius: var(--radius);
  margin-block: var(--sp-lg);
  width: 100%;
}

.post-content blockquote {
  border-right: 4px solid var(--c-copper);
  background: rgba(181,118,60,0.06);
  padding: var(--sp-md) var(--sp-lg);
  border-radius: 0 var(--radius) var(--radius) 0;
  margin-block: var(--sp-lg);
  color: var(--c-amber);
  font-style: italic;
}

.post-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-xs);
  margin-top: var(--sp-xl);
  padding-top: var(--sp-lg);
  border-top: 1px solid var(--c-border);
}

.tag-pill {
  background: var(--c-steel);
  border: 1px solid var(--c-border);
  color: var(--c-muted);
  font-size: var(--step--1);
  padding: 0.25rem 0.75rem;
  border-radius: 99px;
  transition: border-color var(--transition), color var(--transition);
}

.tag-pill:hover {
  border-color: var(--c-copper);
  color: var(--c-copper);
}

/* ── Related Posts ────────────────────────────────────────── */
.related-posts {
  padding-block: var(--sp-2xl);
  border-top: 1px solid var(--c-border);
}

/* ── About Page ──────────────────────────────────────────── */
.timeline {
  position: relative;
  padding-right: var(--sp-xl);
  margin-top: var(--sp-2xl);
}

.timeline::before {
  content: '';
  position: absolute;
  right: 0; top: 0; bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--c-copper), transparent);
}

.timeline-item {
  position: relative;
  padding-right: var(--sp-2xl);
  padding-bottom: var(--sp-xl);
}

.timeline-dot {
  position: absolute;
  right: -8px; top: 4px;
  width: 16px; height: 16px;
  border-radius: 50%;
  background: var(--c-copper);
  border: 3px solid var(--c-night);
}

.timeline-year {
  font-size: var(--step-2);
  font-weight: 900;
  color: var(--c-copper);
  line-height: 1;
  margin-bottom: var(--sp-xs);
}

.timeline-title {
  font-size: var(--step-1);
  font-weight: 700;
  color: var(--c-white);
  margin-bottom: var(--sp-xs);
}

.timeline-desc {
  font-size: var(--step--1);
  color: var(--c-muted);
}

/* ── Pagination ──────────────────────────────────────────── */
.pagination {
  display: flex;
  justify-content: center;
  gap: var(--sp-xs);
  margin-top: var(--sp-2xl);
  flex-wrap: wrap;
}

.page-link {
  min-width: 40px; height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  background: var(--c-iron);
  border: 1px solid var(--c-border);
  color: var(--c-muted);
  font-size: var(--step--1);
  font-weight: 600;
  transition: all var(--transition);
}

.page-link:hover, .page-link.active {
  background: var(--c-copper);
  border-color: var(--c-copper);
  color: var(--c-night);
}

/* ── Footer ──────────────────────────────────────────────── */
.site-footer {
  background: var(--c-night);
  border-top: 1px solid var(--c-border);
  padding-block: var(--sp-2xl);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.25fr;
  gap: var(--sp-xl);
  margin-bottom: var(--sp-2xl);
}

.footer-brand {}

.footer-brand .site-logo { margin-bottom: var(--sp-md); }

.footer-desc {
  font-size: var(--step--1);
  color: var(--c-muted);
  line-height: 1.8;
  max-width: 34ch;
}

.footer-social {
  display: flex;
  gap: var(--sp-sm);
  margin-top: var(--sp-md);
}

.social-link {
  width: 36px; height: 36px;
  background: var(--c-iron);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--c-muted);
  font-size: 0.9rem;
  transition: all var(--transition);
}

.social-link:hover {
  background: var(--c-copper);
  border-color: var(--c-copper);
  color: var(--c-night);
}

.footer-col-title {
  font-size: var(--step-0);
  font-weight: 800;
  color: var(--c-white);
  margin-bottom: var(--sp-md);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--sp-xs);
}

.footer-link {
  font-size: var(--step--1);
  color: var(--c-muted);
  transition: color var(--transition);
  padding-block: 2px;
}

.footer-link:hover { color: var(--c-copper); }

.footer-contact-item {
  display: flex;
  gap: var(--sp-sm);
  margin-bottom: var(--sp-sm);
  font-size: var(--step--1);
  color: var(--c-muted);
  line-height: 1.6;
}

.footer-contact-icon {
  color: var(--c-copper);
  margin-top: 3px;
  flex-shrink: 0;
  font-size: 0.875rem;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--sp-lg);
  border-top: 1px solid var(--c-border);
  font-size: var(--step--1);
  color: var(--c-muted);
  flex-wrap: wrap;
  gap: var(--sp-sm);
}

.footer-bottom-links {
  display: flex;
  gap: var(--sp-md);
}

/* ── Floating Buttons ────────────────────────────────────── */
.floating-buttons {
  position: fixed;
  bottom: var(--sp-lg);
  left: var(--sp-lg);
  display: flex;
  flex-direction: column;
  gap: var(--sp-sm);
  z-index: 900;
}

.fab {
  width: 52px; height: 52px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition);
  text-decoration: none;
}

.fab:hover { transform: scale(1.1); box-shadow: var(--shadow-lg); }

.fab-whatsapp {
  background: #25D366;
  color: white;
}

.fab-top {
  background: var(--c-iron);
  border: 1px solid var(--c-border);
  color: var(--c-copper);
  font-size: 1rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition), transform var(--transition);
}

.fab-top.visible {
  opacity: 1;
  pointer-events: auto;
}

/* ── Map Placeholder ─────────────────────────────────────── */
.map-section { padding-block: var(--sp-2xl); }

.map-container {
  border-radius: var(--radius-lg);
  overflow: hidden;
  height: 400px;
  background: var(--c-iron);
  border: 1px solid var(--c-border);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.map-placeholder {
  text-align: center;
  color: var(--c-muted);
}

.map-placeholder svg {
  width: 64px; height: 64px;
  margin-bottom: var(--sp-md);
  opacity: 0.4;
}

/* ── 404 ─────────────────────────────────────────────────── */
.error-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--sp-xl);
}

.error-code {
  font-size: clamp(6rem, 20vw, 14rem);
  font-weight: 900;
  color: var(--c-iron);
  line-height: 1;
  user-select: none;
}

.error-title {
  font-size: var(--step-3);
  font-weight: 800;
  color: var(--c-white);
  margin-top: var(--sp-lg);
}

.error-desc {
  color: var(--c-muted);
  margin-block: var(--sp-md);
}

/* ── Animations ──────────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ── Responsive ──────────────────────────────────────────── */
@media (max-width: 1024px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .about-grid  { grid-template-columns: 1fr; }
  .services-header { grid-template-columns: 1fr; }
  .blog-layout { grid-template-columns: 1fr; }
  .single-post-layout { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .process-steps { grid-template-columns: repeat(2, 1fr); gap: var(--sp-xl); }
  .process-steps::before { display: none; }
}

@media (max-width: 768px) {
  .main-nav { display: none; flex-direction: column; position: fixed; inset: 0; top: 0; background: var(--c-night); padding: 100px var(--sp-lg) var(--sp-lg); z-index: 999; gap: var(--sp-sm); }
  .main-nav.open { display: flex; }
  .nav-link { font-size: var(--step-1); padding: var(--sp-sm); }
  .nav-cta { width: 100%; justify-content: center; padding: var(--sp-sm); }
  .hamburger { display: flex; position: relative; z-index: 1000; }
  .hero-slider { height: 85vh; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .blog-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .about-features { grid-template-columns: 1fr; }
  .blog-header { flex-direction: column; align-items: flex-start; }
  .process-steps { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .cta-actions { flex-direction: column; align-items: center; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .floating-buttons { bottom: var(--sp-md); left: var(--sp-md); }
  .slider-arrow { display: none; }
  .hero-scroll-indicator { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
  .slide-bg { transform: none !important; }
}

/* ── Footer Credit ───────────────────────────────────────── */
.footer-credit {
  text-align: center;
  padding-top: var(--sp-md);
  margin-top: var(--sp-md);
  border-top: 1px solid var(--c-border);
  font-size: var(--step--1);
  color: var(--c-slate);
}

.footer-credit a {
  color: var(--c-copper);
  font-weight: 600;
  transition: color var(--transition);
}

.footer-credit a:hover {
  color: var(--c-gold);
}