/* ============================================================
   COLUMBUS WEB STUDIO — Main Stylesheet
   ============================================================ */

/* ------------------------------------------------------------
   1. Custom Properties
   ------------------------------------------------------------ */
:root {
  --primary:     #0F766E;
  --primary-mid: #0D9488;
  --primary-light:#14B8A6;
  --primary-pale: #CCFBF1;
  --dark:        #111827;
  --dark-mid:    #1F2937;
  --dark-light:  #374151;
  --white:       #FFFFFF;
  --off-white:   #F9FAFB;
  --gray-50:     #F9FAFB;
  --gray-100:    #F3F4F6;
  --gray-200:    #E5E7EB;
  --gray-300:    #D1D5DB;
  --gray-400:    #9CA3AF;
  --gray-500:    #6B7280;
  --gray-700:    #374151;
  --gray-900:    #111827;
  --text:        #1F2937;
  --text-muted:  #6B7280;

  --font-head: 'Inter', 'Segoe UI', Arial, sans-serif;
  --font-body: 'Inter', 'Segoe UI', Arial, sans-serif;

  --radius-sm:  4px;
  --radius:     8px;
  --radius-lg:  16px;
  --radius-xl:  24px;

  --shadow-sm:  0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);
  --shadow:     0 4px 12px rgba(0,0,0,.08), 0 2px 4px rgba(0,0,0,.04);
  --shadow-lg:  0 10px 30px rgba(0,0,0,.12), 0 4px 8px rgba(0,0,0,.06);
  --shadow-xl:  0 20px 48px rgba(0,0,0,.16);

  --transition: 200ms ease;
  --max-w: 1180px;
  --section-py: 80px;
}

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

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

body {
  font-family: var(--font-body);
  color: var(--text);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }

button, input, textarea, select {
  font: inherit;
  border: none;
  outline: none;
  background: none;
}

h1,h2,h3,h4,h5,h6 {
  font-family: var(--font-head);
  line-height: 1.2;
  font-weight: 700;
  color: var(--dark);
}

/* ------------------------------------------------------------
   3. Utilities
   ------------------------------------------------------------ */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: 24px;
}

.section { padding: var(--section-py) 0; }
.section--dark { background: var(--dark); }
.section--gray { background: var(--gray-100); }
.section--off-white { background: var(--off-white); }

.eyebrow {
  display: inline-block;
  font-family: var(--font-head);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  color: var(--dark);
  margin-bottom: 16px;
}

.section-title--light { color: var(--white); }

.section-subtitle {
  font-size: 1.0625rem;
  color: var(--text-muted);
  max-width: 580px;
  line-height: 1.7;
}

.section-subtitle--light { color: rgba(255,255,255,0.7); }

.section-header { margin-bottom: 52px; }
.section-header--center { text-align: center; }
.section-header--center .section-subtitle { margin-inline: auto; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 0.9375rem;
  letter-spacing: 0.02em;
  padding: 14px 28px;
  border-radius: var(--radius);
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition), color var(--transition);
  white-space: nowrap;
  text-align: center;
}

.btn--primary {
  background: var(--primary);
  color: var(--white);
  box-shadow: 0 4px 14px rgba(15,118,110,.3);
}
.btn--primary:hover {
  background: #0a5f59;
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(15,118,110,.4);
}
.btn--primary:active { transform: translateY(0); }

.btn--outline-white {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255,255,255,.55);
}
.btn--outline-white:hover {
  background: rgba(255,255,255,.12);
  border-color: var(--white);
}

.btn--dark {
  background: var(--dark);
  color: var(--white);
  box-shadow: var(--shadow);
}
.btn--dark:hover {
  background: var(--dark-mid);
  transform: translateY(-1px);
  box-shadow: var(--shadow-lg);
}

.btn--outline {
  background: transparent;
  color: var(--dark);
  border: 2px solid var(--gray-300);
}
.btn--outline:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.btn--lg { padding: 17px 36px; font-size: 1rem; }
.btn--sm { padding: 10px 20px; font-size: 0.875rem; }

/* Dividers */
.divider {
  width: 48px;
  height: 3px;
  background: var(--primary);
  border-radius: 2px;
  margin-bottom: 20px;
}
.divider--center { margin-inline: auto; }

/* Fade-in animation */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger children */
.stagger > * { transition-delay: 0ms; }
.stagger > *:nth-child(2) { transition-delay: 80ms; }
.stagger > *:nth-child(3) { transition-delay: 160ms; }
.stagger > *:nth-child(4) { transition-delay: 240ms; }

/* ------------------------------------------------------------
   4. Navigation
   ------------------------------------------------------------ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  transition: background var(--transition), box-shadow var(--transition), padding var(--transition);
  padding: 20px 0;
}

.nav--scrolled {
  background: var(--white);
  box-shadow: 0 2px 16px rgba(0,0,0,.08);
  padding: 12px 0;
}

.nav--scrolled .nav__logo-name { color: var(--dark); }
.nav--scrolled .nav__logo-tagline { color: var(--text-muted); }
.nav--scrolled .nav__link { color: var(--gray-700); }
.nav--scrolled .nav__link:hover { color: var(--primary); }

/* Default (transparent over dark hero) */
.nav__logo-name { color: var(--white); }
.nav__logo-tagline { color: rgba(255,255,255,.65); }
.nav__link { color: rgba(255,255,255,.85); }

/* On non-hero pages, nav starts solid */
.nav--solid {
  background: var(--white);
  box-shadow: 0 2px 16px rgba(0,0,0,.08);
  padding: 12px 0;
}
.nav--solid .nav__logo-name { color: var(--dark); }
.nav--solid .nav__logo-tagline { color: var(--text-muted); }
.nav--solid .nav__link { color: var(--gray-700); }
.nav--solid .nav__link:hover { color: var(--primary); }

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.nav__logo-icon {
  width: 38px;
  height: 38px;
  background: var(--primary);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.nav__logo-text { line-height: 1; }

.nav__logo-name {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1.125rem;
  letter-spacing: -0.01em;
  transition: color var(--transition);
}

.nav__logo-tagline {
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  transition: color var(--transition);
  margin-top: 1px;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav__link {
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 0.9rem;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
}
.nav__link:hover { background: rgba(255,255,255,.1); }
.nav--scrolled .nav__link:hover,
.nav--solid .nav__link:hover { background: var(--gray-100); }

.nav__link.active { color: var(--primary); }

.nav__right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.nav__cta { display: inline-flex; }

/* Hamburger */
.nav__hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  cursor: pointer;
  border-radius: var(--radius-sm);
  padding: 6px;
  transition: background var(--transition);
}
.nav__hamburger:hover { background: rgba(255,255,255,.1); }
.nav--scrolled .nav__hamburger:hover,
.nav--solid .nav__hamburger:hover { background: var(--gray-100); }

.nav__hamburger span {
  display: block;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}
.nav--scrolled .nav__hamburger span,
.nav--solid .nav__hamburger span { background: var(--dark); }

.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); }

/* Mobile menu */
.nav__mobile {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: var(--dark);
  z-index: 999;
  padding: 100px 32px 40px;
  flex-direction: column;
  gap: 8px;
  overflow-y: auto;
}
.nav__mobile.open { display: flex; }

.nav__mobile-link {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.375rem;
  color: var(--white);
  padding: 14px 0;
  border-bottom: 1px solid rgba(255,255,255,.1);
  display: block;
  transition: color var(--transition);
}
.nav__mobile-link:hover { color: var(--primary-light); }
.nav__mobile-link.active { color: var(--primary-light); }

.nav__mobile-cta { margin-top: 32px; width: 100%; justify-content: center; }

/* ------------------------------------------------------------
   5. Hero
   ------------------------------------------------------------ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--dark);
  padding: 120px 0 80px;
}

.hero::before {
  content: '';
  position: absolute;
  top: -20%;
  right: -8%;
  width: 55%;
  height: 130%;
  background: linear-gradient(145deg, var(--dark-mid) 0%, #0a0f1a 100%);
  clip-path: polygon(15% 0, 100% 0, 100% 100%, 0% 100%);
  z-index: 0;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0; right: 0;
  height: 80px;
  background: var(--white);
  clip-path: polygon(0 60%, 100% 0, 100% 100%, 0% 100%);
  z-index: 1;
}

/* Decorative grid accent */
.hero__accent {
  position: absolute;
  right: 5%;
  top: 50%;
  transform: translateY(-50%);
  opacity: 0.04;
  z-index: 0;
  pointer-events: none;
  width: 500px;
  height: 500px;
  background-image:
    linear-gradient(rgba(20,184,166,.3) 1px, transparent 1px),
    linear-gradient(90deg, rgba(20,184,166,.3) 1px, transparent 1px);
  background-size: 40px 40px;
  border-radius: 50%;
}

.hero__container {
  position: relative;
  z-index: 2;
}

.hero__badge { margin-bottom: 20px; }

.hero__badge .badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(15,118,110,.2);
  color: var(--primary-light);
  font-family: var(--font-head);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 6px 14px;
  border-radius: 20px;
  border: 1px solid rgba(15,118,110,.3);
}

.hero__headline {
  font-family: var(--font-head);
  font-size: clamp(2.5rem, 6vw, 4.25rem);
  font-weight: 800;
  color: var(--white);
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
  max-width: 700px;
}

.hero__headline em {
  color: var(--primary-light);
  font-style: normal;
}

.hero__subheadline {
  font-size: clamp(1rem, 2vw, 1.1875rem);
  color: rgba(255,255,255,.7);
  max-width: 520px;
  line-height: 1.7;
  margin-bottom: 40px;
}

.hero__ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
}

/* ------------------------------------------------------------
   6. Portfolio Grid
   ------------------------------------------------------------ */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.portfolio-card {
  display: block;
  text-decoration: none;
  color: inherit;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.portfolio-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.portfolio-card__image {
  position: relative;
  aspect-ratio: 16/10;
  overflow: hidden;
  background: var(--gray-100);
}

.portfolio-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.portfolio-card:hover .portfolio-card__image img {
  transform: scale(1.03);
}

.portfolio-card__badge {
  position: absolute;
  top: 16px;
  left: 16px;
  background: var(--white);
  color: var(--text);
  font-family: var(--font-head);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 5px 12px;
  border-radius: 20px;
  box-shadow: var(--shadow-sm);
}

.portfolio-card__body {
  padding: 28px;
}

.portfolio-card__category {
  font-family: var(--font-head);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 8px;
}

.portfolio-card__title {
  font-size: 1.25rem;
  font-weight: 800;
  margin-bottom: 10px;
}

.portfolio-card__desc {
  font-size: 0.9375rem;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 18px;
}

.portfolio-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.portfolio-card__tag {
  background: var(--gray-100);
  color: var(--gray-700);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 20px;
  font-family: var(--font-head);
}

/* Portfolio page — full showcase */
.portfolio-showcase {
  display: flex;
  flex-direction: column;
  gap: 80px;
}

.showcase-item {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 56px;
  align-items: center;
}

.showcase-item--reverse { direction: rtl; }
.showcase-item--reverse > * { direction: ltr; }

.showcase-item__visual {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  background: var(--gray-100);
}

.showcase-item__visual img {
  width: 100%;
  display: block;
}

.showcase-item__category {
  font-family: var(--font-head);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 10px;
}

.showcase-item__title {
  font-size: clamp(1.5rem, 3vw, 2rem);
  margin-bottom: 16px;
}

.showcase-item__desc {
  font-size: 1rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 24px;
}

.showcase-item__features {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 28px;
}

.showcase-item__feature {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9375rem;
  color: var(--text);
}

.showcase-item__feature svg {
  color: var(--primary);
  flex-shrink: 0;
}

/* ------------------------------------------------------------
   7. How It Works / Process
   ------------------------------------------------------------ */
.process-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

.process-step {
  text-align: center;
  position: relative;
}

.process-step__number {
  width: 56px;
  height: 56px;
  background: var(--primary-pale);
  color: var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1.25rem;
  margin: 0 auto 20px;
}

.process-step__title {
  font-size: 1.125rem;
  margin-bottom: 10px;
}

.process-step__desc {
  font-size: 0.9375rem;
  color: var(--text-muted);
  line-height: 1.65;
}

/* ------------------------------------------------------------
   8. Pricing Cards
   ------------------------------------------------------------ */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: start;
}

.pricing-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  position: relative;
  transition: transform var(--transition), box-shadow var(--transition);
}

.pricing-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.pricing-card--featured {
  border-color: var(--primary);
  box-shadow: 0 0 0 1px var(--primary), var(--shadow);
}

.pricing-card__popular {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--primary);
  color: var(--white);
  font-family: var(--font-head);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 5px 16px;
  border-radius: 20px;
  white-space: nowrap;
}

.pricing-card__name {
  font-size: 1.25rem;
  font-weight: 800;
  margin-bottom: 6px;
}

.pricing-card__desc {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 20px;
}

.pricing-card__price {
  font-family: var(--font-head);
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--dark);
  margin-bottom: 24px;
  line-height: 1;
}

.pricing-card__price span {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-muted);
}

.pricing-card__features {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 28px;
}

.pricing-card__feature {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.9375rem;
  color: var(--text);
  line-height: 1.5;
}

.pricing-card__feature svg {
  color: var(--primary);
  flex-shrink: 0;
  margin-top: 2px;
}

.pricing-card .btn { width: 100%; justify-content: center; }

/* Retainer cards */
.retainer-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  max-width: 800px;
  margin-inline: auto;
}

.retainer-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 32px;
}

.retainer-card__name {
  font-size: 1.125rem;
  font-weight: 800;
  margin-bottom: 4px;
}

.retainer-card__price {
  font-family: var(--font-head);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 16px;
}

.retainer-card__price span {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-muted);
}

.retainer-card__features {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.retainer-card__feature {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.retainer-card__feature svg {
  color: var(--primary);
  flex-shrink: 0;
  margin-top: 3px;
}

/* ------------------------------------------------------------
   9. FAQ Accordion
   ------------------------------------------------------------ */
.faq-list {
  max-width: 720px;
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  overflow: hidden;
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 20px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 0.9375rem;
  color: var(--dark);
  cursor: pointer;
  text-align: left;
  transition: background var(--transition);
}

.faq-question:hover { background: var(--gray-50); }

.faq-question svg {
  flex-shrink: 0;
  transition: transform var(--transition);
  color: var(--gray-400);
}

.faq-item.open .faq-question svg { transform: rotate(180deg); }

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.faq-answer__inner {
  padding: 0 20px 18px;
  font-size: 0.9375rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ------------------------------------------------------------
   10. CTA Banner
   ------------------------------------------------------------ */
.cta-banner {
  background: linear-gradient(135deg, var(--dark) 0%, var(--dark-mid) 60%, #0a0f1a 100%);
  padding: 80px 0;
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 50%;
  height: 200%;
  background: radial-gradient(circle, rgba(15,118,110,.12) 0%, transparent 70%);
  pointer-events: none;
}

.cta-banner__inner {
  text-align: center;
  position: relative;
  z-index: 1;
}

.cta-banner__title {
  font-size: clamp(1.875rem, 4vw, 2.75rem);
  color: var(--white);
  margin-bottom: 16px;
}

.cta-banner__text {
  font-size: 1.0625rem;
  color: rgba(255,255,255,.65);
  margin-bottom: 36px;
  max-width: 520px;
  margin-inline: auto;
  line-height: 1.7;
}

.cta-banner__actions {
  display: flex;
  gap: 14px;
  justify-content: center;
}

/* ------------------------------------------------------------
   11. Page Hero (sub-pages)
   ------------------------------------------------------------ */
.page-hero {
  background: linear-gradient(135deg, var(--dark) 0%, var(--dark-mid) 100%);
  padding: 140px 0 80px;
  position: relative;
  overflow: hidden;
}

.page-hero::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0; right: 0;
  height: 60px;
  background: var(--white);
  clip-path: polygon(0 60%, 100% 0%, 100% 100%, 0% 100%);
}

.page-hero--gray::after { background: var(--gray-100); }

.page-hero__title {
  font-size: clamp(2rem, 5vw, 3.25rem);
  color: var(--white);
  margin-bottom: 16px;
}

.page-hero__sub {
  font-size: 1.125rem;
  color: rgba(255,255,255,.7);
  max-width: 540px;
  line-height: 1.7;
}

/* ------------------------------------------------------------
   12. About Page
   ------------------------------------------------------------ */
.about-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.about-split__visual {
  position: relative;
  background: linear-gradient(135deg, var(--primary-pale) 0%, var(--gray-100) 100%);
  border-radius: var(--radius-xl);
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

.about-split__visual svg {
  width: 120px;
  height: 120px;
  color: var(--primary);
  opacity: 0.3;
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.value-card {
  text-align: center;
  padding: 32px 24px;
}

.value-card__icon {
  width: 52px;
  height: 52px;
  background: var(--primary-pale);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  margin: 0 auto 18px;
}

.value-card__title {
  font-size: 1.0625rem;
  margin-bottom: 8px;
}

.value-card__desc {
  font-size: 0.9375rem;
  color: var(--text-muted);
  line-height: 1.65;
}

/* Service area tags */
.area-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.area-tag {
  background: var(--primary-pale);
  color: var(--primary);
  font-size: 0.8125rem;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 20px;
  font-family: var(--font-head);
}

/* ------------------------------------------------------------
   13. Contact Page
   ------------------------------------------------------------ */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 48px;
  align-items: start;
}

.contact-form {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow);
}

.form-title {
  font-size: 1.5rem;
  margin-bottom: 8px;
}

.form-subtitle {
  font-size: 0.9375rem;
  color: var(--text-muted);
  margin-bottom: 32px;
  line-height: 1.6;
}

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

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 16px;
}

.form-label {
  font-family: var(--font-head);
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--dark);
  letter-spacing: 0.02em;
}

.form-label .required {
  color: #DC2626;
  margin-left: 2px;
}

.form-input,
.form-textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius);
  font-size: 0.9375rem;
  color: var(--text);
  background: var(--white);
  transition: border-color var(--transition), box-shadow var(--transition);
  -webkit-appearance: none;
}

.form-input:focus,
.form-textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(15,118,110,.1);
}

.form-input.error,
.form-textarea.error {
  border-color: #DC2626;
}

.form-error {
  font-size: 0.8125rem;
  color: #DC2626;
  display: none;
}

.form-error.visible { display: block; }

.form-textarea { resize: vertical; min-height: 120px; line-height: 1.6; }

.form-submit {
  width: 100%;
  margin-top: 8px;
  justify-content: center;
  font-size: 1rem;
}

/* Success message */
.form-success {
  display: none;
  text-align: center;
  padding: 40px 20px;
}

.form-success.visible { display: block; }

.form-success__icon {
  width: 64px;
  height: 64px;
  background: var(--primary-pale);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  margin: 0 auto 20px;
}

.form-success__title {
  font-size: 1.375rem;
  margin-bottom: 10px;
}

.form-success__text {
  font-size: 0.9375rem;
  color: var(--text-muted);
  line-height: 1.65;
}

/* Contact info sidebar */
.contact-info {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.contact-info-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-sm);
}

.contact-info-card__title {
  font-size: 1rem;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--gray-200);
}

.contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 14px;
}

.contact-info-item:last-child { margin-bottom: 0; }

.contact-info-item__icon {
  width: 36px;
  height: 36px;
  background: var(--primary-pale);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  flex-shrink: 0;
}

.contact-info-item__label {
  font-family: var(--font-head);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--gray-400);
  margin-bottom: 2px;
}

.contact-info-item__value {
  font-size: 0.9375rem;
  color: var(--dark);
  font-weight: 600;
  line-height: 1.4;
}

.contact-info-item__value a {
  color: var(--dark);
  transition: color var(--transition);
}
.contact-info-item__value a:hover { color: var(--primary); }

/* ------------------------------------------------------------
   14. Footer
   ------------------------------------------------------------ */
.footer {
  background: #0a0f1a;
  color: var(--white);
  padding: 64px 0 0;
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.8fr 1fr 1fr 1.2fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,.08);
}

.footer__logo-name {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--white);
  margin-bottom: 4px;
}

.footer__logo-tag {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--primary-light);
  margin-bottom: 16px;
}

.footer__desc {
  font-size: 0.9rem;
  color: rgba(255,255,255,.5);
  line-height: 1.7;
  margin-bottom: 20px;
}

.footer__email-link {
  display: flex;
  align-items: center;
  gap: 7px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 0.9375rem;
  color: var(--primary-light);
  transition: color var(--transition);
}
.footer__email-link:hover { color: var(--white); }

.footer__col-title {
  font-family: var(--font-head);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,.4);
  margin-bottom: 20px;
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer__link {
  font-size: 0.9375rem;
  color: rgba(255,255,255,.6);
  transition: color var(--transition);
}
.footer__link:hover { color: var(--primary-light); }

.footer__contact-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.9rem;
  color: rgba(255,255,255,.55);
  margin-bottom: 12px;
  line-height: 1.5;
}

.footer__contact-item svg { color: var(--primary); flex-shrink: 0; margin-top: 1px; }

.footer__contact-item a {
  color: rgba(255,255,255,.55);
  transition: color var(--transition);
}
.footer__contact-item a:hover { color: var(--primary-light); }

.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 0;
  gap: 16px;
  flex-wrap: wrap;
}

.footer__copy {
  font-size: 0.8125rem;
  color: rgba(255,255,255,.3);
}

/* ------------------------------------------------------------
   15. Scroll Progress & Back to Top
   ------------------------------------------------------------ */
.scroll-progress {
  position: fixed;
  top: 0; left: 0;
  height: 3px;
  background: var(--primary);
  z-index: 2000;
  transition: width 0.1s linear;
}

.back-to-top {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 44px;
  height: 44px;
  background: var(--dark);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  transform: translateY(12px);
  transition: opacity var(--transition), transform var(--transition), background var(--transition);
  z-index: 900;
  box-shadow: var(--shadow);
}

.back-to-top.visible {
  opacity: 1;
  transform: translateY(0);
}

.back-to-top:hover { background: var(--primary); }

/* ------------------------------------------------------------
   16. Responsive
   ------------------------------------------------------------ */

/* Tablet */
@media (max-width: 1024px) {
  :root { --section-py: 64px; }

  .portfolio-grid { grid-template-columns: 1fr; max-width: 600px; margin-inline: auto; }
  .pricing-grid { grid-template-columns: 1fr; max-width: 420px; margin-inline: auto; }
  .footer__grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .about-split { gap: 40px; }
  .showcase-item { grid-template-columns: 1fr; gap: 32px; }
  .showcase-item--reverse { direction: ltr; }
  .values-grid { grid-template-columns: repeat(3, 1fr); }

  .contact-layout { grid-template-columns: 1fr; }
  .contact-info { flex-direction: row; flex-wrap: wrap; }
  .contact-info-card { flex: 1 1 280px; }

  .nav__cta { display: none; }
  .nav__hamburger { display: flex; }
  .nav__links { display: none; }
}

/* Mobile */
@media (max-width: 768px) {
  :root { --section-py: 52px; }

  .hero { padding: 100px 0 60px; }
  .hero__ctas { flex-direction: column; align-items: flex-start; }
  .hero::after { height: 48px; }

  .process-grid { grid-template-columns: 1fr; max-width: 400px; margin-inline: auto; }
  .values-grid { grid-template-columns: 1fr; max-width: 400px; margin-inline: auto; }
  .retainer-grid { grid-template-columns: 1fr; }

  .about-split { grid-template-columns: 1fr; }
  .about-split__visual { order: -1; }

  .footer__grid { grid-template-columns: 1fr; gap: 32px; }
  .footer__bottom { flex-direction: column; text-align: center; }

  .contact-info { flex-direction: column; }
  .form-row { grid-template-columns: 1fr; }

  .page-hero { padding: 120px 0 60px; }
  .cta-banner__actions { flex-direction: column; align-items: center; }
}

@media (max-width: 480px) {
  .hero__headline { font-size: 2.25rem; }
}