@import url('https://fonts.googleapis.com/css2?family=DM+Serif+Display:ital@0;1&family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,600;1,9..40,300&display=swap');

/* ── Variables ── */
:root {
  --teal:       #0D7377;
  --teal-dark:  #085C5F;
  --teal-light: #14A3A8;
  --teal-mist:  #E8F6F6;
  --teal-pale:  #F2FAFA;
  --ink:        #0F1F1F;
  --ink-soft:   #2D4444;
  --mid:        #5C7A7A;
  --border:     #C8E0E0;
  --white:      #FFFFFF;
  --off-white:  #FAFEFE;

  --font-display: 'DM Serif Display', Georgia, serif;
  --font-body:    'DM Sans', sans-serif;

  --max-w: 1140px;
  --radius: 12px;
  --radius-lg: 20px;
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* ── Utility ── */
.container { max-width: var(--max-w); margin: 0 auto; padding: 0 24px; }
.tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--teal);
  background: var(--teal-mist);
  border: 1px solid var(--border);
  padding: 5px 14px;
  border-radius: 100px;
  margin-bottom: 18px;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 500;
  padding: 13px 28px;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s ease;
  border: none;
}
.btn-primary {
  background: var(--teal);
  color: var(--white);
}
.btn-primary:hover { background: var(--teal-dark); transform: translateY(-1px); box-shadow: 0 6px 20px rgba(13,115,119,0.25); }
.btn-ghost {
  background: transparent;
  color: var(--teal);
  border: 1.5px solid var(--teal);
}
.btn-ghost:hover { background: var(--teal-mist); }
.btn-white {
  background: var(--white);
  color: var(--teal-dark);
  font-weight: 600;
}
.btn-white:hover { background: var(--teal-pale); transform: translateY(-1px); }

/* ── Nav ── */
nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
}
.logo-mark {
  width: 36px;
  height: 36px;
  background: var(--teal);
  border-radius: 9px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.logo-mark svg { width: 20px; height: 20px; }
.logo-text {
  font-family: var(--font-display);
  font-size: 22px;
  color: var(--ink);
  letter-spacing: -0.3px;
}
.logo-text span { color: var(--teal); }
.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
}
.nav-links a {
  font-size: 14px;
  font-weight: 500;
  color: var(--ink-soft);
  transition: color 0.15s;
}
.nav-links a:hover, .nav-links a.active { color: var(--teal); }
.nav-cta { display: flex; align-items: center; gap: 12px; }
.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 4px; }
.hamburger span { display: block; width: 22px; height: 2px; background: var(--ink); border-radius: 2px; transition: all 0.3s; }

/* ── Hero ── */
.hero {
  padding: 96px 0 80px;
  background: linear-gradient(160deg, var(--white) 0%, var(--teal-pale) 100%);
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -120px; right: -120px;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(13,115,119,0.08) 0%, transparent 70%);
  border-radius: 50%;
}
.hero::after {
  content: '';
  position: absolute;
  bottom: -80px; left: -80px;
  width: 350px; height: 350px;
  background: radial-gradient(circle, rgba(20,163,168,0.06) 0%, transparent 70%);
  border-radius: 50%;
}
.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  position: relative;
  z-index: 1;
}
.hero-eyebrow { margin-bottom: 20px; }
.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(38px, 5vw, 58px);
  line-height: 1.1;
  letter-spacing: -1px;
  color: var(--ink);
  margin-bottom: 22px;
}
.hero h1 em {
  font-style: italic;
  color: var(--teal);
}
.hero-sub {
  font-size: 17px;
  color: var(--mid);
  line-height: 1.7;
  max-width: 480px;
  margin-bottom: 36px;
  font-weight: 300;
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-trust {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 40px;
  padding-top: 32px;
  border-top: 1px solid var(--border);
}
.trust-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--mid);
  font-weight: 500;
}
.trust-dot {
  width: 6px; height: 6px;
  background: var(--teal);
  border-radius: 50%;
}
.hero-visual {
  display: flex;
  justify-content: flex-end;
}
.hero-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  width: 100%;
  max-width: 420px;
  box-shadow: 0 20px 60px rgba(13,115,119,0.1), 0 4px 16px rgba(0,0,0,0.04);
}
.hero-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}
.hero-card-title { font-size: 13px; font-weight: 600; color: var(--mid); text-transform: uppercase; letter-spacing: 0.08em; }
.hero-badge {
  font-size: 11px;
  font-weight: 600;
  color: #16A34A;
  background: #DCFCE7;
  padding: 3px 10px;
  border-radius: 100px;
}
.hero-metric {
  margin-bottom: 20px;
}
.hero-metric-label { font-size: 12px; color: var(--mid); margin-bottom: 4px; }
.hero-metric-value {
  font-family: var(--font-display);
  font-size: 32px;
  color: var(--ink);
  letter-spacing: -0.5px;
}
.hero-metric-value span { font-size: 16px; color: var(--mid); font-family: var(--font-body); }
.hero-bars { display: flex; flex-direction: column; gap: 10px; margin-top: 24px; }
.hero-bar-row { display: flex; align-items: center; gap: 12px; }
.hero-bar-label { font-size: 12px; color: var(--mid); width: 80px; flex-shrink: 0; }
.hero-bar-track { flex: 1; height: 6px; background: var(--teal-mist); border-radius: 100px; overflow: hidden; }
.hero-bar-fill { height: 100%; background: var(--teal); border-radius: 100px; transition: width 1.2s ease; }
.hero-bar-pct { font-size: 12px; font-weight: 600; color: var(--teal); width: 36px; text-align: right; }
.hero-services-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
}
.hero-chip {
  font-size: 11px;
  font-weight: 500;
  color: var(--teal-dark);
  background: var(--teal-pale);
  border: 1px solid var(--border);
  padding: 4px 10px;
  border-radius: 6px;
}

/* ── Services ── */
.services-section { padding: 96px 0; background: var(--white); }
.section-header { text-align: center; margin-bottom: 60px; }
.section-header h2 {
  font-family: var(--font-display);
  font-size: clamp(30px, 4vw, 44px);
  letter-spacing: -0.5px;
  color: var(--ink);
  margin-bottom: 14px;
}
.section-header p { font-size: 17px; color: var(--mid); max-width: 540px; margin: 0 auto; font-weight: 300; }
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.service-card {
  background: var(--off-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: all 0.25s ease;
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--teal);
  transform: scaleX(0);
  transition: transform 0.3s ease;
}
.service-card:hover { border-color: var(--teal-light); box-shadow: 0 12px 40px rgba(13,115,119,0.1); transform: translateY(-3px); }
.service-card:hover::before { transform: scaleX(1); }
.service-icon {
  width: 48px; height: 48px;
  background: var(--teal-mist);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: var(--teal);
}
.service-card h3 {
  font-family: var(--font-display);
  font-size: 21px;
  color: var(--ink);
  margin-bottom: 10px;
  letter-spacing: -0.2px;
}
.service-card p { font-size: 14px; color: var(--mid); line-height: 1.65; margin-bottom: 20px; }
.service-features { display: flex; flex-direction: column; gap: 8px; }
.service-feature {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 13px;
  color: var(--ink-soft);
}
.service-feature::before {
  content: '✓';
  color: var(--teal);
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 1px;
}
.service-card.featured {
  background: var(--teal);
  border-color: var(--teal);
  color: var(--white);
}
.service-card.featured::before { background: rgba(255,255,255,0.4); }
.service-card.featured .service-icon { background: rgba(255,255,255,0.15); color: var(--white); }
.service-card.featured h3 { color: var(--white); }
.service-card.featured p { color: rgba(255,255,255,0.75); }
.service-card.featured .service-feature { color: rgba(255,255,255,0.85); }
.service-card.featured .service-feature::before { color: rgba(255,255,255,0.9); }

/* ── Why Arcflow ── */
.why-section {
  padding: 96px 0;
  background: var(--teal-pale);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.why-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.why-content h2 {
  font-family: var(--font-display);
  font-size: clamp(30px, 4vw, 42px);
  letter-spacing: -0.5px;
  margin-bottom: 16px;
}
.why-content h2 em { font-style: italic; color: var(--teal); }
.why-content > p { font-size: 16px; color: var(--mid); margin-bottom: 36px; font-weight: 300; }
.why-list { display: flex; flex-direction: column; gap: 24px; }
.why-item { display: flex; gap: 16px; }
.why-item-icon {
  width: 40px; height: 40px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  color: var(--teal);
  flex-shrink: 0;
}
.why-item-text h4 { font-size: 15px; font-weight: 600; color: var(--ink); margin-bottom: 4px; }
.why-item-text p { font-size: 13px; color: var(--mid); line-height: 1.6; }
.why-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.stat-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  text-align: center;
}
.stat-card .stat-num {
  font-family: var(--font-display);
  font-size: 40px;
  color: var(--teal);
  letter-spacing: -1px;
  line-height: 1;
  margin-bottom: 8px;
}
.stat-card .stat-label { font-size: 13px; color: var(--mid); font-weight: 500; }
.stat-card.dark {
  background: var(--teal);
  border-color: var(--teal);
}
.stat-card.dark .stat-num { color: var(--white); }
.stat-card.dark .stat-label { color: rgba(255,255,255,0.75); }

/* ── CTA Banner ── */
.cta-section {
  padding: 96px 0;
  background: var(--ink);
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  top: -100px; right: -100px;
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(13,115,119,0.3) 0%, transparent 70%);
  border-radius: 50%;
}
.cta-inner { text-align: center; position: relative; z-index: 1; }
.cta-inner .tag { background: rgba(13,115,119,0.2); border-color: rgba(13,115,119,0.4); color: var(--teal-light); }
.cta-inner h2 {
  font-family: var(--font-display);
  font-size: clamp(30px, 4vw, 48px);
  color: var(--white);
  letter-spacing: -0.5px;
  margin-bottom: 16px;
}
.cta-inner h2 em { font-style: italic; color: var(--teal-light); }
.cta-inner p { font-size: 17px; color: rgba(255,255,255,0.6); margin-bottom: 36px; font-weight: 300; }
.cta-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* ── Footer ── */
footer {
  background: var(--off-white);
  border-top: 1px solid var(--border);
  padding: 60px 0 32px;
}
.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}
.footer-brand p { font-size: 14px; color: var(--mid); margin-top: 14px; line-height: 1.7; max-width: 260px; }
.footer-col h5 {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--mid);
  margin-bottom: 16px;
}
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col ul a { font-size: 14px; color: var(--ink-soft); transition: color 0.15s; }
.footer-col ul a:hover { color: var(--teal); }
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  font-size: 13px;
  color: var(--mid);
}

/* ── Page Hero (inner pages) ── */
.page-hero {
  padding: 72px 0 64px;
  background: linear-gradient(160deg, var(--white) 0%, var(--teal-pale) 100%);
  border-bottom: 1px solid var(--border);
}
.page-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(34px, 4vw, 52px);
  letter-spacing: -0.7px;
  margin-bottom: 14px;
}
.page-hero h1 em { font-style: italic; color: var(--teal); }
.page-hero p { font-size: 17px; color: var(--mid); max-width: 560px; font-weight: 300; }

/* ── About Page ── */
.about-section { padding: 80px 0; }
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: start; }
.about-content h2 {
  font-family: var(--font-display);
  font-size: 32px;
  letter-spacing: -0.3px;
  margin-bottom: 16px;
}
.about-content h2 em { font-style: italic; color: var(--teal); }
.about-content p { font-size: 15px; color: var(--mid); line-height: 1.75; margin-bottom: 16px; }
.values-list { display: flex; flex-direction: column; gap: 16px; margin-top: 32px; }
.value-item {
  display: flex;
  gap: 14px;
  padding: 18px 20px;
  background: var(--teal-pale);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.value-icon { color: var(--teal); flex-shrink: 0; margin-top: 2px; }
.value-item h4 { font-size: 14px; font-weight: 600; color: var(--ink); margin-bottom: 3px; }
.value-item p { font-size: 13px; color: var(--mid); margin: 0; }
.about-aside { display: flex; flex-direction: column; gap: 20px; }
.about-card {
  background: var(--off-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
}
.about-card h3 {
  font-family: var(--font-display);
  font-size: 20px;
  margin-bottom: 16px;
  color: var(--ink);
}
.about-card ul { display: flex; flex-direction: column; gap: 10px; }
.about-card li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  color: var(--ink-soft);
}
.about-card li::before {
  content: '→';
  color: var(--teal);
  font-weight: 700;
  flex-shrink: 0;
}
.about-card.teal-card {
  background: var(--teal);
  border-color: var(--teal);
}
.about-card.teal-card h3 { color: var(--white); }
.about-card.teal-card li { color: rgba(255,255,255,0.85); }
.about-card.teal-card li::before { color: rgba(255,255,255,0.7); }

/* ── Services Page ── */
.services-full { padding: 80px 0; }
.service-full-card {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 48px;
  align-items: start;
  padding: 48px 0;
  border-bottom: 1px solid var(--border);
}
.service-full-card:last-child { border-bottom: none; }
.service-full-left { position: sticky; top: 100px; }
.service-full-number {
  font-family: var(--font-display);
  font-size: 80px;
  color: var(--border);
  line-height: 1;
  margin-bottom: 16px;
  letter-spacing: -2px;
}
.service-full-left h3 {
  font-family: var(--font-display);
  font-size: 28px;
  color: var(--ink);
  margin-bottom: 12px;
  letter-spacing: -0.3px;
}
.service-full-left p { font-size: 14px; color: var(--mid); line-height: 1.7; }
.service-full-right { display: flex; flex-direction: column; gap: 16px; }
.service-detail-card {
  background: var(--off-white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
}
.service-detail-card h4 { font-size: 15px; font-weight: 600; color: var(--ink); margin-bottom: 8px; }
.service-detail-card p { font-size: 14px; color: var(--mid); line-height: 1.65; }
.service-full-card .service-icon { width: 56px; height: 56px; border-radius: 14px; margin-bottom: 20px; }

/* ── Contact Page ── */
.contact-section { padding: 80px 0; }
.contact-grid { display: grid; grid-template-columns: 1fr 1.4fr; gap: 60px; align-items: start; }
.contact-info h2 {
  font-family: var(--font-display);
  font-size: 32px;
  letter-spacing: -0.3px;
  margin-bottom: 14px;
}
.contact-info h2 em { font-style: italic; color: var(--teal); }
.contact-info > p { font-size: 15px; color: var(--mid); line-height: 1.7; margin-bottom: 36px; }
.contact-items { display: flex; flex-direction: column; gap: 20px; margin-bottom: 36px; }
.contact-item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}
.contact-item-icon {
  width: 40px; height: 40px;
  background: var(--teal-mist);
  border: 1px solid var(--border);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  color: var(--teal);
  flex-shrink: 0;
}
.contact-item h4 { font-size: 14px; font-weight: 600; color: var(--ink); margin-bottom: 2px; }
.contact-item p { font-size: 13px; color: var(--mid); }
.calendly-wrapper {
  background: var(--teal-pale);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  margin-top: 24px;
}
.calendly-wrapper h3 {
  font-family: var(--font-display);
  font-size: 20px;
  margin-bottom: 8px;
  color: var(--ink);
}
.calendly-wrapper p { font-size: 13px; color: var(--mid); margin-bottom: 16px; }
.contact-form-wrap {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: 0 8px 40px rgba(13,115,119,0.07);
}
.contact-form-wrap h3 {
  font-family: var(--font-display);
  font-size: 24px;
  margin-bottom: 24px;
  color: var(--ink);
}
.form-group { margin-bottom: 20px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
label { display: block; font-size: 13px; font-weight: 500; color: var(--ink-soft); margin-bottom: 6px; }
input, select, textarea {
  width: 100%;
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--ink);
  background: var(--off-white);
  border: 1.5px solid var(--border);
  border-radius: 8px;
  padding: 11px 14px;
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none;
}
input:focus, select:focus, textarea:focus {
  border-color: var(--teal);
  box-shadow: 0 0 0 3px rgba(13,115,119,0.1);
  background: var(--white);
}
textarea { resize: vertical; min-height: 110px; }
.form-submit { width: 100%; padding: 14px; font-size: 15px; }
.form-note { font-size: 12px; color: var(--mid); margin-top: 10px; text-align: center; }
.success-msg {
  display: none;
  text-align: center;
  padding: 24px;
  background: #DCFCE7;
  border: 1px solid #86EFAC;
  border-radius: var(--radius);
  color: #166534;
  font-weight: 500;
  margin-top: 16px;
}

/* ── Mobile Nav ── */
.mobile-nav {
  display: none;
  position: fixed;
  top: 68px; left: 0; right: 0;
  background: var(--white);
  border-bottom: 1px solid var(--border);
  padding: 20px 24px;
  flex-direction: column;
  gap: 16px;
  z-index: 99;
  box-shadow: 0 8px 24px rgba(0,0,0,0.08);
}
.mobile-nav a {
  font-size: 16px;
  font-weight: 500;
  color: var(--ink-soft);
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
}
.mobile-nav a:last-child { border-bottom: none; }
.mobile-nav.open { display: flex; }

/* ── Responsive ── */
@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; gap: 48px; }
  .hero-visual { justify-content: flex-start; }
  .hero-card { max-width: 100%; }
  .services-grid { grid-template-columns: 1fr 1fr; }
  .why-inner { grid-template-columns: 1fr; gap: 48px; }
  .footer-inner { grid-template-columns: 1fr 1fr; gap: 36px; }
  .about-grid { grid-template-columns: 1fr; gap: 48px; }
  .contact-grid { grid-template-columns: 1fr; }
  .service-full-card { grid-template-columns: 1fr; gap: 24px; }
  .service-full-left { position: static; }
  .nav-links, .nav-cta { display: none; }
  .hamburger { display: flex; }
}
@media (max-width: 600px) {
  .services-grid { grid-template-columns: 1fr; }
  .why-stats { grid-template-columns: 1fr 1fr; }
  .footer-inner { grid-template-columns: 1fr; gap: 28px; }
  .form-row { grid-template-columns: 1fr; }
  .hero { padding: 64px 0 56px; }
}