/* ============================================================
   STEM Collective Tutors – style.css
   Palette:
     --navy:    #0B1F3A   (primary background / headings)
     --ink:     #1A2E4A   (card / dark section bg)
     --teal:    #0D9488   (accent / CTAs)
     --teal-lt: #14B8A8   (hover accent)
     --sky:     #E0F2FE   (light highlight bg)
     --sand:    #F8FAFC   (off-white page bg)
     --gray:    #64748B   (body text)
     --border:  #E2E8F0   (dividers)
     --white:   #FFFFFF
============================================================ */

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

:root {
  --navy:    #0B1F3A;
  --ink:     #1A2E4A;
  --teal:    #0D9488;
  --teal-lt: #14B8A8;
  --sky:     #E0F2FE;
  --sand:    #F8FAFC;
  --gray:    #64748B;
  --border:  #E2E8F0;
  --white:   #FFFFFF;
  --font:    "Inter", "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  --radius:  8px;
  --shadow:  0 2px 12px rgba(11,31,58,0.08);
  --shadow-md: 0 4px 24px rgba(11,31,58,0.12);
  --transition: 0.2s ease;
}

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font);
  background: var(--sand);
  color: var(--navy);
  line-height: 1.65;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main { flex: 1; }

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

a { color: var(--teal); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--teal-lt); }

h1,h2,h3,h4,h5 { font-weight: 700; line-height: 1.2; color: var(--navy); }
h1 { font-size: clamp(2rem, 5vw, 3.2rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(1.5rem, 3.5vw, 2.2rem); letter-spacing: -0.01em; }
h3 { font-size: clamp(1.15rem, 2.5vw, 1.45rem); }
h4 { font-size: 1.1rem; }

p { color: var(--gray); margin-bottom: 1rem; }
p:last-child { margin-bottom: 0; }

ul { list-style: none; }

/* ── Utility ──────────────────────────────────────────────── */
.container { max-width: 1140px; margin-inline: auto; padding-inline: 1.25rem; }
.section-pad { padding-block: 5rem; }
.section-pad-sm { padding-block: 3rem; }
.text-center { text-align: center; }
.text-teal { color: var(--teal); }
.bg-navy { background: var(--navy); }
.bg-ink  { background: var(--ink);  }
.bg-sky  { background: var(--sky);  }
.bg-white{ background: var(--white);}
.gap-1 { gap: 1rem; }
.gap-2 { gap: 2rem; }
.mt-1 { margin-top: 1rem; }
.mt-2 { margin-top: 2rem; }
.mb-1 { margin-bottom: 1rem; }
.mb-2 { margin-bottom: 2rem; }

.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 0.75rem;
}

.section-title { margin-bottom: 1rem; }
.section-subtitle { color: var(--gray); font-size: 1.05rem; max-width: 640px; }
.section-header { margin-bottom: 3rem; }
.section-header.centered { text-align: center; }
.section-header.centered .section-subtitle { margin-inline: auto; }

/* ── Buttons ──────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.7rem 1.6rem;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  border: 2px solid transparent;
  transition: background var(--transition), color var(--transition), border-color var(--transition), transform var(--transition);
  text-decoration: none;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--teal); color: var(--white); }
.btn-primary:hover { background: var(--teal-lt); color: var(--white); }
.btn-outline { background: transparent; border-color: var(--teal); color: var(--teal); }
.btn-outline:hover { background: var(--teal); color: var(--white); }
.btn-white { background: var(--white); color: var(--navy); }
.btn-white:hover { background: var(--sky); color: var(--navy); }
.btn-sm { padding: 0.5rem 1.1rem; font-size: 0.85rem; }

/* ── Header / Nav ─────────────────────────────────────────── */
#site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--white);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 1px 8px rgba(11,31,58,0.06);
}

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

.logo-link { display: flex; align-items: center; gap: 0.65rem; text-decoration: none; }

.logo-img { height: 42px; width: auto; }

.logo-text { display: flex; flex-direction: column; line-height: 1.1; }
.logo-text strong { font-size: 1rem; font-weight: 800; color: var(--navy); }
.logo-text span { font-size: 0.68rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--teal); }

.nav-list {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}
.nav-list a {
  display: block;
  padding: 0.45rem 0.85rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--navy);
  border-radius: 6px;
  transition: background var(--transition), color var(--transition);
}
.nav-list a:hover,
.nav-list a.active {
  background: var(--sky);
  color: var(--teal);
}

.nav-cta { margin-left: 0.75rem; }

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  border-radius: 6px;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--navy);
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 768px) {
  .hamburger { display: flex; }
  .site-nav {
    display: none;
    position: absolute;
    top: 68px;
    left: 0; right: 0;
    background: var(--white);
    border-bottom: 1px solid var(--border);
    padding: 1rem;
    box-shadow: var(--shadow-md);
  }
  .site-nav.open { display: block; }
  .nav-list { flex-direction: column; align-items: stretch; gap: 0.25rem; }
  .nav-list a { padding: 0.7rem 1rem; font-size: 1rem; }
  .nav-cta { margin-left: 0; margin-top: 0.5rem; }
  .nav-cta .btn { width: 100%; justify-content: center; }
}

/* ── Hero ─────────────────────────────────────────────────── */
.hero {
  position: relative;
  background: var(--navy);
  color: var(--white);
  padding-block: 6rem 5rem;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 70% at 70% 50%, rgba(13,148,136,0.18) 0%, transparent 70%),
    radial-gradient(ellipse 40% 40% at 20% 80%, rgba(13,148,136,0.10) 0%, transparent 60%);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
  position: relative;
}

.hero-label {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(13,148,136,0.15);
  border: 1px solid rgba(13,148,136,0.35);
  border-radius: 100px;
  padding: 0.3rem 0.9rem;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--teal-lt);
  margin-bottom: 1.25rem;
}

.hero h1 { color: var(--white); margin-bottom: 1.25rem; }
.hero h1 em { font-style: normal; color: var(--teal-lt); }

.hero-sub {
  color: rgba(255,255,255,0.72);
  font-size: 1.05rem;
  margin-bottom: 2rem;
  line-height: 1.7;
}

.hero-locations {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 2rem;
}

.location-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 100px;
  padding: 0.25rem 0.75rem;
  font-size: 0.82rem;
  color: rgba(255,255,255,0.85);
  font-weight: 500;
}

.location-tag::before { content: "📍"; font-size: 0.7rem; }

.hero-btns { display: flex; flex-wrap: wrap; gap: 0.75rem; }

.hero-img-wrap {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0,0,0,0.35);
}

.hero-img-wrap img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
}

.hero-badge {
  position: absolute;
  bottom: 1.25rem;
  left: 1.25rem;
  background: rgba(11,31,58,0.88);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 10px;
  padding: 0.7rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.hero-badge strong { color: var(--white); font-size: 1.3rem; }
.hero-badge span { color: rgba(255,255,255,0.65); font-size: 0.78rem; }

@media (max-width: 768px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-img-wrap { display: none; }
  .hero { padding-block: 4rem 3.5rem; }
}

/* ── Value Cards ──────────────────────────────────────────── */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
}

.card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.75rem 1.5rem;
  box-shadow: var(--shadow);
  transition: box-shadow var(--transition), transform var(--transition);
}

.card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }

.card-icon {
  width: 48px; height: 48px;
  background: var(--sky);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 1rem;
}

.card h3 { margin-bottom: 0.5rem; font-size: 1rem; }
.card p  { font-size: 0.88rem; margin: 0; }

/* ── Why Section ──────────────────────────────────────────── */
.why-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.why-img {
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.why-img img { width: 100%; aspect-ratio: 4/3; object-fit: cover; }

.why-list { display: flex; flex-direction: column; gap: 1.25rem; }

.why-item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.why-num {
  flex-shrink: 0;
  width: 36px; height: 36px;
  background: var(--teal);
  color: var(--white);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.8rem; font-weight: 800;
}

.why-item h4 { margin-bottom: 0.25rem; }
.why-item p  { font-size: 0.88rem; margin: 0; }

@media (max-width: 768px) {
  .why-grid { grid-template-columns: 1fr; }
  .why-img  { display: none; }
}

/* ── Testimonials ─────────────────────────────────────────── */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
}

.testimonial-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-left: 4px solid var(--teal);
  border-radius: 12px;
  padding: 1.75rem 1.5rem;
  box-shadow: var(--shadow);
}

.stars { color: #f59e0b; font-size: 0.9rem; margin-bottom: 0.75rem; letter-spacing: 2px; }
.testimonial-text { font-size: 0.92rem; color: var(--gray); margin-bottom: 1rem; font-style: italic; }
.testimonial-author { display: flex; flex-direction: column; gap: 0.1rem; }
.testimonial-author strong { font-size: 0.9rem; color: var(--navy); }
.testimonial-author span  { font-size: 0.8rem; color: var(--teal); }

/* ── Programs ─────────────────────────────────────────────── */
.program-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: box-shadow var(--transition), transform var(--transition);
}
.program-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }

.program-header {
  background: var(--navy);
  color: var(--white);
  padding: 1.25rem 1.5rem;
}
.program-header h3 { color: var(--white); font-size: 1.1rem; margin-bottom: 0.25rem; }
.program-header span { font-size: 0.8rem; color: rgba(255,255,255,0.65); }

.program-body { padding: 1.5rem; }

.meta-list { display: flex; flex-direction: column; gap: 0.5rem; margin-bottom: 1.25rem; }
.meta-item { display: flex; gap: 0.5rem; font-size: 0.87rem; }
.meta-label { color: var(--gray); min-width: 110px; font-weight: 500; }
.meta-value { color: var(--navy); font-weight: 600; }

.subject-tags { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-bottom: 1.25rem; }
.tag {
  display: inline-block;
  padding: 0.2rem 0.65rem;
  background: var(--sky);
  color: var(--navy);
  border-radius: 100px;
  font-size: 0.76rem;
  font-weight: 600;
}
.tag-teal { background: rgba(13,148,136,0.12); color: var(--teal); }

/* Comparison Table */
.table-wrap { overflow-x: auto; border-radius: 12px; box-shadow: var(--shadow); }

table {
  width: 100%;
  border-collapse: collapse;
  background: var(--white);
  font-size: 0.88rem;
}

thead th {
  background: var(--navy);
  color: var(--white);
  padding: 0.85rem 1rem;
  text-align: left;
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 0.03em;
}

tbody td {
  padding: 0.8rem 1rem;
  border-bottom: 1px solid var(--border);
  color: var(--gray);
  vertical-align: top;
}

tbody tr:last-child td { border-bottom: none; }
tbody tr:nth-child(even) { background: #f9fafb; }
tbody td:first-child { color: var(--navy); font-weight: 600; }

/* ── Tutors ───────────────────────────────────────────────── */
.tutors-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.75rem;
}

.tutor-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.75rem 1.5rem;
  box-shadow: var(--shadow);
  display: flex; gap: 1.25rem; align-items: flex-start;
}

.tutor-avatar {
  flex-shrink: 0;
  width: 60px; height: 60px;
  border-radius: 50%;
  background: var(--sky);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.6rem;
  color: var(--navy);
  border: 3px solid var(--teal);
}

.tutor-info h3 { font-size: 1rem; margin-bottom: 0.2rem; }
.tutor-info .tutor-subject { color: var(--teal); font-size: 0.8rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 0.5rem; }
.tutor-info .tutor-exp   { color: var(--gray); font-size: 0.8rem; margin-bottom: 0.6rem; }
.tutor-info p { font-size: 0.87rem; margin: 0; }

/* Philosophy */
.philosophy-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
}

.philosophy-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-top: 3px solid var(--teal);
  border-radius: 0 0 12px 12px;
  padding: 1.5rem;
  box-shadow: var(--shadow);
}

.philosophy-card .p-icon { font-size: 2rem; margin-bottom: 0.75rem; }
.philosophy-card h4 { margin-bottom: 0.5rem; }
.philosophy-card p { font-size: 0.87rem; margin: 0; }

/* FAQ */
.faq-list { display: flex; flex-direction: column; gap: 0.75rem; max-width: 760px; margin-inline: auto; }

.faq-item {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
}

.faq-question {
  width: 100%;
  background: none;
  border: none;
  padding: 1.1rem 1.25rem;
  text-align: left;
  font-family: var(--font);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--navy);
  cursor: pointer;
  display: flex; justify-content: space-between; align-items: center;
  gap: 1rem;
}

.faq-question .faq-arrow {
  flex-shrink: 0;
  width: 24px; height: 24px;
  background: var(--sky);
  border-radius: 6px;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.75rem;
  transition: transform 0.3s, background 0.2s;
}

.faq-item.open .faq-arrow { transform: rotate(180deg); background: var(--teal); color: white; }

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s;
  padding: 0 1.25rem;
}
.faq-answer p { font-size: 0.9rem; }
.faq-item.open .faq-answer { max-height: 300px; padding: 0 1.25rem 1.1rem; }

/* ── Schedule / Batches ───────────────────────────────────── */
.batches-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
}

.batch-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.5rem;
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
}

.batch-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: var(--teal);
}

.batch-mode {
  display: inline-block;
  padding: 0.2rem 0.6rem;
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.75rem;
}
.mode-offline { background: #dcfce7; color: #16a34a; }
.mode-online  { background: #dbeafe; color: #1d4ed8; }
.mode-hybrid  { background: #fef9c3; color: #b45309; }

.batch-card h3 { font-size: 1rem; margin-bottom: 0.75rem; }
.batch-details { display: flex; flex-direction: column; gap: 0.4rem; }
.batch-row { display: flex; gap: 0.5rem; font-size: 0.85rem; }
.batch-row span:first-child { color: var(--gray); min-width: 80px; font-weight: 500; }
.batch-row span:last-child  { color: var(--navy); font-weight: 600; }

/* Fees */
.fees-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.25rem;
}

.fee-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.5rem;
  text-align: center;
  box-shadow: var(--shadow);
}

.fee-card .fee-label { font-size: 0.8rem; color: var(--gray); text-transform: uppercase; letter-spacing: 0.07em; margin-bottom: 0.5rem; }
.fee-card .fee-amount { font-size: 1.6rem; font-weight: 800; color: var(--navy); margin-bottom: 0.25rem; }
.fee-card .fee-period { font-size: 0.78rem; color: var(--teal); font-weight: 600; }
.fee-card .fee-note   { font-size: 0.8rem; color: var(--gray); margin-top: 0.5rem; }

.notice-box {
  background: #fffbeb;
  border: 1px solid #fde68a;
  border-radius: 10px;
  padding: 1.1rem 1.4rem;
  display: flex; gap: 0.75rem; align-items: flex-start;
  font-size: 0.9rem; color: #92400e;
}

.notice-box .notice-icon { font-size: 1.2rem; flex-shrink: 0; }

/* ── Resources ────────────────────────────────────────────── */
.resources-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.25rem;
}

.resource-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.25rem 1.5rem;
  display: flex; gap: 1rem; align-items: center;
  box-shadow: var(--shadow);
  transition: box-shadow var(--transition), transform var(--transition);
}
.resource-card:hover { box-shadow: var(--shadow-md); transform: translateY(-1px); }

.resource-icon {
  flex-shrink: 0;
  width: 44px; height: 44px;
  background: #fee2e2;
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem;
}

.resource-info { flex: 1; }
.resource-info h4 { font-size: 0.92rem; margin-bottom: 0.2rem; }
.resource-info span { font-size: 0.78rem; color: var(--gray); }

.resource-card .btn-sm { flex-shrink: 0; }

/* Tips Box */
.tips-box {
  background: var(--sky);
  border-radius: 12px;
  padding: 2rem;
}
.tips-box h3 { margin-bottom: 1rem; }
.tips-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.25rem;
  margin-top: 1.25rem;
}
.tip-step { display: flex; gap: 0.75rem; align-items: flex-start; }
.tip-num {
  flex-shrink: 0;
  width: 30px; height: 30px;
  background: var(--teal);
  color: var(--white);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.78rem; font-weight: 800;
}
.tip-step p { font-size: 0.87rem; margin: 0; }

/* ── Contact ──────────────────────────────────────────────── */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 3rem;
  align-items: start;
}

.contact-info h2 { margin-bottom: 0.75rem; }
.contact-info p  { margin-bottom: 1.5rem; }

.contact-detail-list { display: flex; flex-direction: column; gap: 1.1rem; }
.contact-detail {
  display: flex; gap: 0.75rem; align-items: flex-start;
}
.contact-detail-icon {
  flex-shrink: 0;
  width: 38px; height: 38px;
  background: var(--sky);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem;
}
.contact-detail-body { display: flex; flex-direction: column; gap: 0.1rem; }
.contact-detail-body strong { font-size: 0.88rem; color: var(--navy); }
.contact-detail-body span  { font-size: 0.83rem; color: var(--gray); }

.location-cards { display: flex; flex-direction: column; gap: 0.6rem; margin-top: 1.5rem; }
.location-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.75rem 1rem;
  display: flex; gap: 0.75rem; align-items: center;
  font-size: 0.87rem;
}
.location-card .lc-icon { font-size: 1.1rem; }
.location-card strong { color: var(--navy); display: block; }
.location-card span   { color: var(--gray); font-size: 0.8rem; }

/* Contact Form */
.contact-form-wrap {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 2.25rem;
  box-shadow: var(--shadow-md);
}

.form-title { margin-bottom: 0.5rem; font-size: 1.35rem; }
.form-subtitle { font-size: 0.88rem; color: var(--gray); margin-bottom: 1.75rem; }

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

.form-group { display: flex; flex-direction: column; gap: 0.4rem; margin-bottom: 1.1rem; }
.form-group label { font-size: 0.85rem; font-weight: 600; color: var(--navy); }
.form-group .req { color: var(--teal); }

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.65rem 0.9rem;
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  font-family: var(--font);
  font-size: 0.9rem;
  color: var(--navy);
  background: var(--sand);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--teal);
  box-shadow: 0 0 0 3px rgba(13,148,136,0.12);
  background: var(--white);
}
.form-group input.error,
.form-group select.error,
.form-group textarea.error {
  border-color: #ef4444;
}

.form-group textarea { resize: vertical; min-height: 110px; }

.checkboxes-group, .radio-group { display: flex; flex-wrap: wrap; gap: 0.6rem; }
.check-label, .radio-label {
  display: flex; align-items: center; gap: 0.35rem;
  font-size: 0.87rem; color: var(--navy); cursor: pointer;
  background: var(--sand);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.35rem 0.75rem;
  transition: background var(--transition), border-color var(--transition);
}
.check-label:hover, .radio-label:hover { border-color: var(--teal); background: var(--sky); }
.check-label input, .radio-label input { accent-color: var(--teal); }

.field-error { font-size: 0.78rem; color: #ef4444; margin-top: -0.25rem; display: none; }
.field-error.visible { display: block; }

.form-submit { margin-top: 0.5rem; }
.form-submit .btn { width: 100%; justify-content: center; padding: 0.85rem; font-size: 1rem; }

.form-status {
  margin-top: 1rem;
  padding: 0.85rem 1rem;
  border-radius: 8px;
  font-size: 0.9rem;
  display: none;
}
.form-status.success { background: #dcfce7; color: #166534; border: 1px solid #bbf7d0; display: block; }
.form-status.error   { background: #fee2e2; color: #991b1b; border: 1px solid #fecaca; display: block; }

@media (max-width: 768px) {
  .contact-grid { grid-template-columns: 1fr; }
  .form-row     { grid-template-columns: 1fr; }
}

/* ── Page Hero (inner pages) ──────────────────────────────── */
.page-hero {
  background: var(--navy);
  color: var(--white);
  padding-block: 4rem 3.5rem;
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: "";
  position: absolute; inset: 0;
  background: radial-gradient(ellipse 50% 80% at 80% 50%, rgba(13,148,136,0.15) 0%, transparent 70%);
  pointer-events: none;
}
.page-hero .container { position: relative; }
.page-hero h1 { color: var(--white); margin-bottom: 0.75rem; }
.page-hero p   { color: rgba(255,255,255,0.7); font-size: 1.05rem; max-width: 620px; margin: 0; }

/* Breadcrumb */
.breadcrumb {
  display: flex; gap: 0.4rem; align-items: center;
  font-size: 0.8rem; color: rgba(255,255,255,0.5);
  margin-bottom: 1rem;
}
.breadcrumb a { color: rgba(255,255,255,0.65); }
.breadcrumb a:hover { color: var(--teal-lt); }
.breadcrumb span { color: rgba(255,255,255,0.35); }

/* ── CTA Banner ───────────────────────────────────────────── */
.cta-banner {
  background: var(--teal);
  color: var(--white);
  padding-block: 4rem;
  text-align: center;
}
.cta-banner h2 { color: var(--white); margin-bottom: 0.75rem; }
.cta-banner p  { color: rgba(255,255,255,0.85); margin-bottom: 2rem; max-width: 560px; margin-inline: auto 0; margin-inline: auto; }

/* ── Stats Strip ──────────────────────────────────────────── */
.stats-strip {
  background: var(--ink);
  color: var(--white);
  padding-block: 2.5rem;
}
.stats-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1.5rem;
  text-align: center;
}
.stat-item strong { display: block; font-size: 2rem; font-weight: 800; color: var(--teal-lt); }
.stat-item span   { font-size: 0.82rem; color: rgba(255,255,255,0.65); letter-spacing: 0.04em; }

/* ── Footer ───────────────────────────────────────────────── */
#site-footer {
  background: var(--navy);
  color: rgba(255,255,255,0.65);
  padding-block: 3.5rem 1.5rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 2.5rem;
  margin-bottom: 2.5rem;
}

.footer-brand .logo-text strong,
.footer-brand .logo-text span { color: var(--white); }
.footer-brand .logo-text span { color: var(--teal-lt); }
.footer-brand p { font-size: 0.87rem; margin-top: 0.75rem; color: rgba(255,255,255,0.55); max-width: 240px; }

.footer-col h4 { color: var(--white); font-size: 0.88rem; margin-bottom: 1rem; text-transform: uppercase; letter-spacing: 0.08em; }
.footer-col ul { display: flex; flex-direction: column; gap: 0.55rem; }
.footer-col ul a { font-size: 0.87rem; color: rgba(255,255,255,0.55); transition: color var(--transition); }
.footer-col ul a:hover { color: var(--teal-lt); }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 1.25rem;
  display: flex; flex-wrap: wrap; gap: 0.75rem;
  justify-content: space-between; align-items: center;
  font-size: 0.82rem;
  color: rgba(255,255,255,0.35);
}
.footer-bottom a { color: rgba(255,255,255,0.45); }
.footer-bottom a:hover { color: var(--teal-lt); }

@media (max-width: 900px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 480px) {
  .footer-grid { grid-template-columns: 1fr; }
}

/* ── Floating WhatsApp Button ─────────────────────────────── */
#whatsapp-float {
  position: fixed;
  bottom: 5rem;
  right: 1.5rem;
  z-index: 910;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  background: #25D366;
  border-radius: 50%;
  box-shadow: 0 4px 18px rgba(37,211,102,0.45);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  text-decoration: none;
}

#whatsapp-float:hover {
  transform: translateY(-3px) scale(1.07);
  box-shadow: 0 6px 24px rgba(37,211,102,0.55);
  color: #fff;
}

#whatsapp-float svg {
  width: 28px;
  height: 28px;
  fill: #fff;
}

/* Tooltip label on hover */
#whatsapp-float::before {
  content: "Chat on WhatsApp";
  position: absolute;
  right: 60px;
  background: #1a1a1a;
  color: #fff;
  font-size: 0.75rem;
  font-weight: 600;
  white-space: nowrap;
  padding: 0.35rem 0.7rem;
  border-radius: 6px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}

#whatsapp-float:hover::before {
  opacity: 1;
}

/* ── Scroll-to-top ────────────────────────────────────────── */
#scroll-top {
  position: fixed;
  bottom: 2rem;
  right: 1.5rem;
  width: 44px; height: 44px;
  background: var(--teal);
  color: var(--white);
  border: none;
  border-radius: 50%;
  font-size: 1.1rem;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 16px rgba(13,148,136,0.35);
  opacity: 0; pointer-events: none;
  transition: opacity 0.3s, transform 0.3s;
  z-index: 900;
}
#scroll-top.visible { opacity: 1; pointer-events: auto; }
#scroll-top:hover { transform: translateY(-2px); }

/* ── Misc helpers ─────────────────────────────────────────── */
.divider { border: none; border-top: 1px solid var(--border); margin-block: 0; }

.alert-box {
  padding: 1rem 1.25rem;
  border-radius: 10px;
  font-size: 0.9rem;
  margin-bottom: 1.5rem;
}
.alert-success { background: #dcfce7; color: #166534; border: 1px solid #bbf7d0; }
.alert-error   { background: #fee2e2; color: #991b1b; border: 1px solid #fecaca; }

.inline-list { display: flex; flex-wrap: wrap; gap: 0.5rem; }

.section-divider {
  display: flex; align-items: center; gap: 1rem;
  margin-bottom: 2rem;
}
.section-divider h2 { white-space: nowrap; }
.section-divider::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--border);
}

/* Google Fonts import */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');