/* ============================================
   C&T Web Design — Global Styles
   ============================================ */

/* --- CSS Variables --- */
:root {
  --color-accent:      #2563EB;
  --color-accent-dark: #1D4ED8;
  --color-text:        #1E293B;
  --color-text-muted:  #64748B;
  --color-bg:          #FFFFFF;
  --color-bg-soft:     #F8FAFC;
  --color-border:      #E2E8F0;
  --font-main: 'Inter', system-ui, -apple-system, sans-serif;
  --max-width: 1100px;
  --radius: 8px;
  --shadow: 0 1px 3px rgba(0,0,0,0.08), 0 4px 16px rgba(0,0,0,0.06);
  --transition: 0.2s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-main);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover {
  color: var(--color-accent-dark);
}

ul {
  list-style: none;
}

/* --- Layout Helpers --- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 80px 0;
}

.section--soft {
  background: var(--color-bg-soft);
}

/* --- Typography --- */
h1, h2, h3 {
  line-height: 1.2;
  font-weight: 700;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2rem, 5vw, 3.25rem); }
h2 { font-size: clamp(1.5rem, 3.5vw, 2.25rem); }
h3 { font-size: 1.25rem; }

p { color: var(--color-text-muted); }

.section-label {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 12px;
}

.section-heading {
  color: var(--color-text);
  margin-bottom: 16px;
}

.section-sub {
  font-size: 1.1rem;
  max-width: 560px;
}

/* --- Buttons --- */
.btn {
  display: inline-block;
  padding: 14px 32px;
  border-radius: var(--radius);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  border: 2px solid transparent;
  transition: background var(--transition), color var(--transition),
              border-color var(--transition), transform var(--transition);
  text-align: center;
}

.btn:hover { transform: translateY(-1px); }

.btn--primary {
  background: var(--color-accent);
  color: #fff;
  border-color: var(--color-accent);
}

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

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

.btn--outline:hover {
  background: var(--color-accent);
  color: #fff;
}

/* ============================================
   NAVIGATION
   ============================================ */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.nav__logo {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -0.01em;
}

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

.nav__links {
  display: flex;
  gap: 36px;
  align-items: center;
}

.nav__links a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-text-muted);
  transition: color var(--transition);
}

.nav__links a:hover,
.nav__links a.active {
  color: var(--color-text);
}

.nav__cta {
  font-size: 0.9rem !important;
  padding: 9px 22px;
  border-radius: var(--radius);
  background: var(--color-accent);
  color: #fff !important;
  font-weight: 600 !important;
  transition: background var(--transition) !important;
}

.nav__cta:hover {
  background: var(--color-accent-dark) !important;
  color: #fff !important;
}

/* Hamburger */
.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

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

.nav__toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__toggle.open span:nth-child(2) { opacity: 0; }
.nav__toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile Nav */
.nav__mobile {
  display: none;
  flex-direction: column;
  gap: 0;
  border-top: 1px solid var(--color-border);
  background: #fff;
  padding: 12px 0 20px;
}

.nav__mobile.open {
  display: flex;
}

.nav__mobile a {
  padding: 12px 24px;
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-text);
  border-bottom: 1px solid var(--color-border);
}

.nav__mobile a:last-child {
  border-bottom: none;
  margin-top: 8px;
  color: var(--color-accent);
  font-weight: 600;
}

/* ============================================
   HERO
   ============================================ */
.hero {
  padding: 96px 0 80px;
  background: linear-gradient(160deg, #F0F7FF 0%, #FFFFFF 60%);
  border-bottom: 1px solid var(--color-border);
}

.hero__content {
  max-width: 640px;
}

.hero__headline {
  color: var(--color-text);
  margin-bottom: 20px;
}

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

.hero__sub {
  font-size: 1.2rem;
  margin-bottom: 36px;
  max-width: 520px;
}

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

.hero__trust {
  margin-top: 56px;
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

.hero__trust-dots {
  display: flex;
  gap: 6px;
}

.hero__trust-dots span {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-accent);
  opacity: 0.3;
}

.hero__trust-dots span:first-child { opacity: 1; }
.hero__trust-dots span:nth-child(2) { opacity: 0.6; }

/* ============================================
   VALUE STRIP (home page)
   ============================================ */
.value-strip {
  padding: 64px 0;
  background: var(--color-bg-soft);
  border-bottom: 1px solid var(--color-border);
}

.value-strip__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

.value-item__icon {
  font-size: 1.75rem;
  margin-bottom: 12px;
}

.value-item h3 {
  margin-bottom: 8px;
  color: var(--color-text);
}

/* ============================================
   SERVICE PREVIEW (home page)
   ============================================ */
.service-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
  margin-top: 48px;
}

.service-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 36px 32px;
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition);
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 32px rgba(0,0,0,0.10);
}

.service-card__price {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: 4px;
}

.service-card__freq {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-bottom: 20px;
}

.service-card h3 {
  margin-bottom: 12px;
  color: var(--color-text);
}

.service-card ul {
  margin-top: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.service-card ul li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.95rem;
  color: var(--color-text-muted);
}

.service-card ul li::before {
  content: '';
  display: inline-block;
  width: 18px;
  height: 18px;
  min-width: 18px;
  background: var(--color-accent);
  border-radius: 50%;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath d='M2 6l3 3 5-5' stroke='white' stroke-width='1.8' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
}

/* ============================================
   HOW IT WORKS — STEPS
   ============================================ */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  margin-top: 48px;
}

.step {
  position: relative;
  padding-left: 0;
}

.step__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-accent);
  color: #fff;
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.step h3 {
  margin-bottom: 8px;
  color: var(--color-text);
}

@media (max-width: 900px) {
  .steps { grid-template-columns: 1fr; gap: 28px; }
}

/* ============================================
   CTA BANNER
   ============================================ */
.cta-banner {
  background: var(--color-accent);
  padding: 72px 0;
  text-align: center;
}

.cta-banner h2 {
  color: #fff;
  margin-bottom: 16px;
}

.cta-banner p {
  color: rgba(255,255,255,0.8);
  font-size: 1.1rem;
  margin-bottom: 32px;
}

.btn--white {
  background: #fff;
  color: var(--color-accent);
  border-color: #fff;
}

.btn--white:hover {
  background: #EFF6FF;
  color: var(--color-accent-dark);
}

/* ============================================
   SERVICES PAGE
   ============================================ */
.page-hero {
  padding: 72px 0 60px;
  background: linear-gradient(160deg, #F0F7FF 0%, #FFFFFF 60%);
  border-bottom: 1px solid var(--color-border);
}

.services-detail {
  display: flex;
  flex-direction: column;
  gap: 60px;
  margin-top: 56px;
}

.service-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
  padding-bottom: 60px;
  border-bottom: 1px solid var(--color-border);
}

.service-detail:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.service-detail--reverse {
  direction: rtl;
}

.service-detail--reverse > * {
  direction: ltr;
}

.service-detail__visual {
  background: linear-gradient(135deg, #EFF6FF, #DBEAFE);
  border-radius: 16px;
  padding: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 280px;
}

.service-detail__visual-icon {
  font-size: 5rem;
  line-height: 1;
}

.service-detail__price {
  display: inline-block;
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--color-accent);
  margin-bottom: 8px;
}

.service-detail__freq {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin-bottom: 20px;
}

.service-detail h2 {
  margin-bottom: 16px;
}

.service-detail p {
  margin-bottom: 24px;
}

.feature-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 32px;
}

.feature-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.95rem;
  color: var(--color-text);
}

.feature-list li .check {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 20px;
  height: 20px;
  background: #DBEAFE;
  border-radius: 50%;
  color: var(--color-accent);
  font-size: 0.7rem;
  font-weight: 700;
  margin-top: 2px;
}

.faq {
  margin-top: 80px;
}

.faq__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
  margin-top: 48px;
}

.faq-item {
  background: var(--color-bg-soft);
  border-radius: var(--radius);
  padding: 28px;
  border: 1px solid var(--color-border);
}

.faq-item h3 {
  font-size: 1rem;
  margin-bottom: 10px;
  color: var(--color-text);
}

.faq-item p {
  font-size: 0.95rem;
}

/* ============================================
   ABOUT PAGE
   ============================================ */
.about-intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  padding: 80px 0;
}

.about-visual {
  background: linear-gradient(135deg, #EFF6FF, #DBEAFE);
  border-radius: 20px;
  padding: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 5rem;
  min-height: 360px;
}

.about-text h2 {
  margin-bottom: 20px;
}

.about-text p {
  margin-bottom: 16px;
  font-size: 1.05rem;
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 48px;
}

.value-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 32px 28px;
  box-shadow: var(--shadow);
  text-align: center;
}

.value-card__icon {
  font-size: 2.25rem;
  margin-bottom: 16px;
}

.value-card h3 {
  margin-bottom: 10px;
  color: var(--color-text);
}

/* ============================================
   CONTACT PAGE
   ============================================ */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 64px;
  padding: 80px 0;
  align-items: start;
}

.contact-info h2 {
  margin-bottom: 16px;
}

.contact-info p {
  font-size: 1.05rem;
  margin-bottom: 36px;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.contact-detail {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.contact-detail__icon {
  font-size: 1.25rem;
  min-width: 32px;
}

.contact-detail strong {
  display: block;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
  margin-bottom: 2px;
}

.contact-detail span {
  font-size: 0.95rem;
  color: var(--color-text);
}

/* Form */
.contact-form-wrap {
  background: var(--color-bg-soft);
  border: 1px solid var(--color-border);
  border-radius: 16px;
  padding: 44px 40px;
}

.form-group {
  margin-bottom: 24px;
}

.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 8px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 13px 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 1rem;
  font-family: var(--font-main);
  color: var(--color-text);
  background: #fff;
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
  appearance: none;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(37,99,235,0.12);
}

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

.form-submit {
  width: 100%;
  padding: 15px;
  font-size: 1.05rem;
}

.form-success {
  display: none;
  background: #DCFCE7;
  border: 1px solid #86EFAC;
  color: #166534;
  border-radius: var(--radius);
  padding: 16px 20px;
  margin-top: 16px;
  font-size: 0.95rem;
  font-weight: 500;
}

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

/* ============================================
   FOOTER
   ============================================ */
.footer {
  background: var(--color-text);
  color: rgba(255,255,255,0.6);
  padding: 48px 0 32px;
}

.footer__inner {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  margin-bottom: 28px;
}

.footer__brand {
  font-size: 1.1rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 10px;
}

.footer__brand span {
  color: #93C5FD;
}

.footer__tagline {
  font-size: 0.9rem;
  line-height: 1.5;
}

.footer__col h4 {
  color: #fff;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 16px;
}

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

.footer__col ul a {
  color: rgba(255,255,255,0.55);
  font-size: 0.9rem;
  transition: color var(--transition);
}

.footer__col ul a:hover {
  color: #fff;
}

.footer__bottom {
  font-size: 0.85rem;
  text-align: center;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 900px) {
  .section { padding: 60px 0; }

  .nav__links { display: none; }
  .nav__toggle { display: flex; }

  .value-strip__grid { grid-template-columns: 1fr; gap: 28px; }

  .service-cards { grid-template-columns: 1fr; }

  .service-detail {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .service-detail--reverse { direction: ltr; }

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

  .about-intro {
    grid-template-columns: 1fr;
    gap: 36px;
    padding: 60px 0;
  }

  .about-visual { min-height: 220px; padding: 40px; }

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

  .contact-layout {
    grid-template-columns: 1fr;
    gap: 40px;
    padding: 60px 0;
  }

  .contact-form-wrap { padding: 28px 24px; }

  .footer__inner { grid-template-columns: 1fr; gap: 28px; }
}

@media (max-width: 600px) {
  .hero { padding: 64px 0 52px; }
  .hero__actions { flex-direction: column; align-items: flex-start; }
  .hero__actions .btn { width: 100%; text-align: center; }
  .cta-banner { padding: 52px 0; }
}