/* =============================================
   ROTEM ZEVI ARCHITECTURE — DESIGN TOKENS
   Palette: Stone & Warm Linen — Minimal Architectural
   ============================================= */

:root, [data-theme="light"] {
  /* 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);
  --text-3xl:  clamp(2.5rem,   1rem    + 4vw,    5rem);
  --text-hero: clamp(3rem,     0.5rem  + 7vw,    8rem);

  /* Spacing */
  --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;

  /* Surfaces — Warm Stone / Linen */
  --color-bg:               #f5f3ef;
  --color-surface:          #f9f7f4;
  --color-surface-2:        #fdfcfb;
  --color-surface-offset:   #eceae5;
  --color-surface-offset-2: #e5e2dc;
  --color-surface-dynamic:  #dedad3;
  --color-divider:          #d5d1c9;
  --color-border:           #c9c5bd;

  /* Text */
  --color-text:           #1e1c18;
  --color-text-muted:     #706c64;
  --color-text-faint:     #b5b1a9;
  --color-text-inverse:   #f9f7f4;

  /* Primary Accent — Deep Slate Blue-Gray (architectural) */
  --color-primary:        #3a5068;
  --color-primary-hover:  #2c3f52;
  --color-primary-active: #1e2e3c;
  --color-primary-highlight: #c8d4dd;

  /* Success */
  --color-success: #3a6644;
  --color-error:   #8a2a2a;

  /* Radii */
  --radius-sm: 0.25rem;
  --radius-md: 0.375rem;
  --radius-lg: 0.5rem;
  --radius-xl: 0.75rem;
  --radius-full: 9999px;

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

  /* Shadows */
  --shadow-sm: 0 1px 2px oklch(0.15 0.01 60 / 0.07);
  --shadow-md: 0 4px 16px oklch(0.15 0.01 60 / 0.09);
  --shadow-lg: 0 12px 40px oklch(0.15 0.01 60 / 0.13);

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

  /* Fonts */
  --font-display: 'Instrument Serif', 'David Libre', Georgia, serif;
  --font-body:    'Work Sans', 'Rubik', 'Helvetica Neue', sans-serif;
}

/* DARK MODE */
[data-theme="dark"], @media (prefers-color-scheme: dark) {
  --color-bg:               #18160f;
  --color-surface:          #1c1a13;
  --color-surface-2:        #211f18;
  --color-surface-offset:   #1f1d16;
  --color-surface-offset-2: #252318;
  --color-surface-dynamic:  #2e2c22;
  --color-divider:          #2a2820;
  --color-border:           #3d3a30;
  --color-text:             #e8e4da;
  --color-text-muted:       #8a8678;
  --color-text-faint:       #5a5850;
  --color-text-inverse:     #1c1a13;
  --color-primary:          #7aa4c4;
  --color-primary-hover:    #5a8aa8;
  --color-primary-active:   #3d6e8e;
  --color-primary-highlight:#243040;
  --color-success: #5a9466;
  --color-error:   #c46060;
  --shadow-sm: 0 1px 2px oklch(0 0 0 / 0.25);
  --shadow-md: 0 4px 16px oklch(0 0 0 / 0.35);
  --shadow-lg: 0 12px 40px oklch(0 0 0 / 0.45);
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg:               #18160f;
    --color-surface:          #1c1a13;
    --color-surface-2:        #211f18;
    --color-surface-offset:   #1f1d16;
    --color-surface-offset-2: #252318;
    --color-surface-dynamic:  #2e2c22;
    --color-divider:          #2a2820;
    --color-border:           #3d3a30;
    --color-text:             #e8e4da;
    --color-text-muted:       #8a8678;
    --color-text-faint:       #5a5850;
    --color-text-inverse:     #1c1a13;
    --color-primary:          #7aa4c4;
    --color-primary-hover:    #5a8aa8;
    --color-primary-active:   #3d6e8e;
    --color-primary-highlight:#243040;
    --color-success: #5a9466;
    --color-error:   #c46060;
    --shadow-sm: 0 1px 2px oklch(0 0 0 / 0.25);
    --shadow-md: 0 4px 16px oklch(0 0 0 / 0.35);
    --shadow-lg: 0 12px 40px oklch(0 0 0 / 0.45);
  }
}

/* =============================================
   LAYOUT UTILITIES
   ============================================= */

.container {
  width: 100%;
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: clamp(var(--space-6), 5vw, var(--space-16));
}
.container--narrow {
  max-width: var(--content-default);
}

/* =============================================
   HEADER / NAV
   ============================================= */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in oklch, var(--color-bg) 88%, transparent);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--color-divider);
  transition: box-shadow var(--transition-interactive);
}
.site-header.scrolled {
  box-shadow: var(--shadow-sm);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: var(--space-4);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  color: var(--color-text);
}
.nav-logo-text {
  font-family: var(--font-body);
  font-size: var(--text-lg);
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.2;
}
.nav-logo-sub {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 500;
  display: block;
  margin-top: 2px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  list-style: none;
}
.nav-links a {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  text-decoration: none;
  letter-spacing: 0.03em;
  transition: color var(--transition-interactive);
}
.nav-links a:hover { color: var(--color-text); }

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

.btn-theme {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  cursor: pointer;
  transition: color var(--transition-interactive), background var(--transition-interactive);
}
.btn-theme:hover { color: var(--color-text); background: var(--color-surface-offset); }
.btn-theme svg { width: 16px; height: 16px; }

.btn-cta {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text-inverse);
  background: var(--color-primary);
  border: none;
  border-radius: var(--radius-md);
  padding: var(--space-2) var(--space-5);
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  letter-spacing: 0.02em;
  transition: background var(--transition-interactive), box-shadow var(--transition-interactive);
}
.btn-cta:hover {
  background: var(--color-primary-hover);
  box-shadow: var(--shadow-md);
}

/* Hamburger */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 36px;
  height: 36px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  cursor: pointer;
}
.nav-hamburger span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: transform 0.25s ease, opacity 0.25s ease;
}
.nav-hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; }
.nav-hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 768px) {
  .nav-hamburger { display: flex; }
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    right: 0;
    left: 0;
    background: var(--color-surface);
    flex-direction: column;
    align-items: flex-start;
    padding: var(--space-6);
    gap: var(--space-6);
    border-bottom: 1px solid var(--color-divider);
    box-shadow: var(--shadow-md);
  }
  .nav-links.open { display: flex; }
  .nav-links a { font-size: var(--text-base); }
  .btn-cta { display: none; }
}

/* =============================================
   HERO
   ============================================= */

.hero {
  position: relative;
  min-height: 82vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  overflow: hidden;
}
/* In RTL, content is on the right (start), image on the left (end) */
.hero-content {
  order: 2; /* content goes to right side in RTL */
  padding-block: clamp(var(--space-16), 10vw, var(--space-32));
  padding-inline-end: var(--space-12);
  position: relative;
  z-index: 2;
}
.hero-image-wrap {
  order: 1; /* image goes to left side in RTL */
}

.hero-eyebrow {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-5);
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.hero-eyebrow::before {
  content: '';
  display: block;
  width: 28px;
  height: 2px;
  background: var(--color-primary);
  border-radius: 2px;
}

.hero-title {
  font-family: var(--font-body);
  font-size: var(--text-3xl);
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-6);
}
.hero-title em {
  font-style: normal;
  font-weight: 300;
  color: var(--color-primary);
}

.hero-desc {
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 52ch;
  line-height: 1.75;
  margin-bottom: var(--space-10);
}

.hero-actions {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.btn-primary {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text-inverse);
  background: var(--color-primary);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-8);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  letter-spacing: 0.02em;
  transition: background var(--transition-interactive), box-shadow var(--transition-interactive);
  border: 2px solid transparent;
}
.btn-primary:hover {
  background: var(--color-primary-hover);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text);
  background: transparent;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-8);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  letter-spacing: 0.02em;
  transition: border-color var(--transition-interactive), color var(--transition-interactive);
}
.btn-secondary:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.hero-stats {
  display: flex;
  gap: var(--space-10);
  margin-top: var(--space-12);
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-divider);
}
.stat-item {}
.stat-number {
  font-family: var(--font-body);
  font-size: var(--text-2xl);
  color: var(--color-text);
  line-height: 1;
  font-weight: 700;
  letter-spacing: -0.03em;
}
.stat-label {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  letter-spacing: 0.05em;
  margin-top: var(--space-1);
}

.hero-image-wrap {
  position: relative;
  height: 100%;
  min-height: 82vh;
  overflow: hidden;
  /* already handled by order above */
}
.hero-image-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}
.hero-image-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, var(--color-bg) 0%, transparent 20%);
  pointer-events: none;
}

@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
    min-height: unset;
  }
  .hero-image-wrap {
    min-height: 55vw;
    max-height: 420px;
    order: -1;
  }
  .hero-image-overlay {
    background: linear-gradient(to top, var(--color-bg) 0%, transparent 20%);
  }
  .hero-content {
    padding-inline-end: 0;
  }
  .hero-stats { gap: var(--space-8); }
}

/* =============================================
   SECTION GENERIC
   ============================================= */
section {
  padding-block: clamp(var(--space-16), 8vw, var(--space-32));
}
.section-eyebrow {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-4);
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.section-eyebrow::before {
  content: '';
  display: block;
  width: 20px;
  height: 2px;
  background: var(--color-primary);
  border-radius: 2px;
}
.section-title {
  font-family: var(--font-body);
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin-bottom: var(--space-5);
}
.section-desc {
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 60ch;
  line-height: 1.75;
}

/* =============================================
   SERVICES
   ============================================= */
.services-section {
  background: var(--color-surface);
}
.services-header {
  margin-bottom: var(--space-16);
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: end;
  gap: var(--space-8);
}
@media (max-width: 700px) {
  .services-header { grid-template-columns: 1fr; }
}
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}
.service-card {
  background: var(--color-bg);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  transition: box-shadow var(--transition-interactive), border-color var(--transition-interactive), transform var(--transition-interactive);
  position: relative;
  overflow: hidden;
}
.service-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary);
  transform: translateY(-2px);
}
.service-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: var(--color-primary-highlight);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-5);
  color: var(--color-primary);
}
.service-icon svg { width: 24px; height: 24px; }
.service-card h3 {
  font-family: var(--font-body);
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-3);
  line-height: 1.3;
}
.service-card p {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.7;
  max-width: none;
}

@media (max-width: 900px) {
  .services-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px) {
  .services-grid { grid-template-columns: 1fr; }
}

/* =============================================
   ABOUT
   ============================================= */
.about-section {
  background: var(--color-bg);
}
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(var(--space-12), 6vw, var(--space-24));
  align-items: center;
}
.about-image-wrap {
  position: relative;
}
.about-image-wrap img {
  width: 100%;
  aspect-ratio: 4/5;
  object-fit: cover;
  border-radius: var(--radius-lg);
}
.about-badge {
  position: absolute;
  bottom: -var(--space-6);
  right: -var(--space-6);
  background: var(--color-primary);
  color: var(--color-text-inverse);
  border-radius: var(--radius-lg);
  padding: var(--space-5) var(--space-6);
  bottom: var(--space-6);
  right: var(--space-6);
  box-shadow: var(--shadow-lg);
}
.about-badge-number {
  font-family: var(--font-body);
  font-size: var(--text-2xl);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.03em;
  display: block;
}
.about-badge-text {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  letter-spacing: 0.05em;
  opacity: 0.85;
  display: block;
  margin-top: var(--space-1);
}

.about-content {}
.about-content .section-desc {
  margin-bottom: var(--space-6);
}
.about-credentials {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  margin-top: var(--space-8);
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-divider);
}
.credential-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
}
.credential-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-primary);
  flex-shrink: 0;
  margin-top: 8px;
}
.credential-item p {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
  max-width: none;
}
.credential-item strong {
  color: var(--color-text);
  font-weight: 600;
}

@media (max-width: 860px) {
  .about-grid { grid-template-columns: 1fr; }
  .about-image-wrap img { aspect-ratio: 16/9; max-height: 380px; }
}

/* =============================================
   CLIENTS
   ============================================= */
.clients-section {
  background: var(--color-surface-offset);
  padding-block: clamp(var(--space-12), 6vw, var(--space-20));
}
.clients-eyebrow {
  text-align: center;
  font-family: var(--font-body);
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-text-faint);
  margin-bottom: var(--space-8);
  font-weight: 600;
}
.clients-grid {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  justify-content: center;
}
.client-tag {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-text-muted);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  padding: var(--space-2) var(--space-4);
  letter-spacing: 0.02em;
  transition: color var(--transition-interactive), border-color var(--transition-interactive);
}
.client-tag:hover {
  color: var(--color-primary);
  border-color: var(--color-primary);
}

/* =============================================
   CONTACT
   ============================================= */
.contact-section {
  background: var(--color-surface);
}
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: clamp(var(--space-12), 6vw, var(--space-24));
  align-items: start;
}
.contact-info {}
.contact-info .section-title { margin-bottom: var(--space-4); }
.contact-info .section-desc { margin-bottom: var(--space-10); }

.contact-methods {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}
.contact-method {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  text-decoration: none;
  color: var(--color-text);
  padding: var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-bg);
  transition: box-shadow var(--transition-interactive), border-color var(--transition-interactive);
}
.contact-method:hover {
  box-shadow: var(--shadow-sm);
  border-color: var(--color-primary);
}
.contact-method-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.contact-method-icon.email { background: var(--color-primary-highlight); color: var(--color-primary); }
.contact-method-icon.whatsapp { background: #d4edda; color: #25D366; }
[data-theme="dark"] .contact-method-icon.whatsapp { background: #1a3520; color: #4ae87a; }
.contact-method-icon svg { width: 20px; height: 20px; }
.contact-method-label {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  font-weight: 600;
  display: block;
}
.contact-method-value {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-text);
  font-weight: 500;
  display: block;
  margin-top: 2px;
}

/* FORM */
.contact-form-wrap {
  background: var(--color-bg);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-xl);
  padding: clamp(var(--space-8), 4vw, var(--space-12));
}
.form-title {
  font-family: var(--font-body);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-8);
  line-height: 1.2;
}

.form-group {
  margin-bottom: var(--space-5);
}
.form-group label {
  display: block;
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-text-muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: var(--space-2);
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  background: var(--color-surface);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-text);
  transition: border-color var(--transition-interactive), box-shadow var(--transition-interactive);
  outline: none;
  direction: rtl;
  text-align: right;
}
.form-group select {
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23706c64' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: left var(--space-4) center;
  padding-inline-start: var(--space-8);
}
.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--color-text-faint);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px color-mix(in oklch, var(--color-primary) 15%, transparent);
}
.form-group textarea { resize: vertical; min-height: 110px; }

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}
@media (max-width: 500px) {
  .form-row { grid-template-columns: 1fr; }
}

.form-submit {
  margin-top: var(--space-6);
  display: flex;
  align-items: center;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.btn-form-submit {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text-inverse);
  background: var(--color-primary);
  border: none;
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-10);
  cursor: pointer;
  letter-spacing: 0.03em;
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  transition: background var(--transition-interactive), box-shadow var(--transition-interactive);
}
.btn-form-submit:hover {
  background: var(--color-primary-hover);
  box-shadow: var(--shadow-md);
}
.btn-form-submit:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.btn-whatsapp-form {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  color: #fff;
  background: #25D366;
  border: none;
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-6);
  cursor: pointer;
  letter-spacing: 0.03em;
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  text-decoration: none;
  transition: background var(--transition-interactive), box-shadow var(--transition-interactive);
}
.btn-whatsapp-form:hover {
  background: #1ebe5a;
  box-shadow: var(--shadow-md);
}
.btn-whatsapp-form svg { width: 18px; height: 18px; }

/* Form messages */
.form-success {
  display: none;
  background: color-mix(in oklch, var(--color-success) 12%, transparent);
  border: 1px solid color-mix(in oklch, var(--color-success) 30%, transparent);
  color: var(--color-success);
  border-radius: var(--radius-md);
  padding: var(--space-4) var(--space-5);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  text-align: center;
  margin-top: var(--space-4);
  font-weight: 500;
}
.form-error-msg {
  display: none;
  background: color-mix(in oklch, var(--color-error) 10%, transparent);
  border: 1px solid color-mix(in oklch, var(--color-error) 25%, transparent);
  color: var(--color-error);
  border-radius: var(--radius-md);
  padding: var(--space-4) var(--space-5);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  text-align: center;
  margin-top: var(--space-4);
  font-weight: 500;
}

@media (max-width: 860px) {
  .contact-grid { grid-template-columns: 1fr; }
}

/* =============================================
   FOOTER
   ============================================= */
.site-footer {
  background: var(--color-surface-offset-2);
  border-top: 1px solid var(--color-divider);
  padding-block: var(--space-12);
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-6);
}
.footer-brand .nav-logo-text {
  font-size: var(--text-base);
}
.footer-brand .nav-logo-sub {
  font-size: 10px;
}
.footer-copy {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  text-align: center;
}
.footer-copy a {
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color var(--transition-interactive);
}
.footer-copy a:hover { color: var(--color-primary); }

/* =============================================
   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.visible {
  opacity: 1;
  transform: none;
}
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }

/* =============================================
   DIVIDER LINE
   ============================================= */
.section-rule {
  width: 100%;
  height: 1px;
  background: var(--color-divider);
  border: none;
  margin: 0;
}