@import url('https://fonts.googleapis.com/css2?family=Manrope:wght@300;400;500;600;700;800&display=swap');

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --navy: #0C1A30;
  --navy-mid: #152642;
  --navy-light: #1E3557;
  --ocean: #0E7490;
  --teal: #06B6D4;
  --teal-light: #67E8F9;
  --teal-pale: #F0FDFF;
  --white: #FFFFFF;
  --off-white: #F8FAFC;
  --warm-white: #F1F5F9;
  --muted: #64748B;
  --muted-light: #94A3B8;
  --text: #0F172A;
  --text-soft: #334155;
  --border: #E2E8F0;
  --border-dark: #CBD5E1;
  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 20px;

  --font-sans: 'Manrope', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  font-weight: 400;
  color: var(--text);
  background: var(--white);
  line-height: 1.6;
  letter-spacing: -0.01em;
  -webkit-font-smoothing: antialiased;
}

/* ── NAV ── */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: 0 1.25rem;
}

.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-family: var(--font-sans);
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--navy);
  text-decoration: none;
  letter-spacing: -0.04em;
}

.logo span { color: var(--ocean); }

.nav-cta {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--ocean);
  text-decoration: none;
  border: 1.5px solid var(--ocean);
  padding: 0.35rem 0.9rem;
  border-radius: 100px;
  transition: background 0.2s, color 0.2s;
}

.nav-cta:hover { background: var(--ocean); color: var(--white); }

/* ── HERO ── */
.hero {
  padding: 120px 1.25rem 80px;
  background: linear-gradient(160deg, var(--navy) 0%, var(--navy-mid) 55%, var(--navy-light) 100%);
  position: relative;
  overflow: hidden;
}

.hero-decor {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero-decor svg {
  width: 100%; height: 100%;
  opacity: 0.08;
}

.hero-inner {
  max-width: 800px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--teal);
  border: 1px solid rgba(6,182,212,0.3);
  background: rgba(6,182,212,0.08);
  padding: 0.3rem 0.75rem;
  border-radius: 100px;
  margin-bottom: 1.5rem;
}

.hero-badge::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--teal);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

h1 {
  font-family: var(--font-sans);
  font-size: clamp(2.3rem, 6vw, 3.9rem);
  font-weight: 800;
  line-height: 1.03;
  color: var(--white);
  letter-spacing: -0.055em;
  margin-bottom: 1.25rem;
}

h1 em {
  font-style: normal;
  color: var(--teal);
}

.hero-red { color: #FF1744; }

.hero-text {
  font-size: 1.05rem;
  color: rgba(255,255,255,0.74);
  line-height: 1.7;
  max-width: 580px;
  margin-bottom: 2rem;
  font-weight: 400;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--teal);
  color: var(--navy);
  font-weight: 700;
  font-size: 0.95rem;
  padding: 0.75rem 1.5rem;
  border-radius: 100px;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: background 0.2s, transform 0.15s;
  font-family: var(--font-sans);
}

.btn-primary:hover { background: #22D3EE; transform: translateY(-1px); }
.btn-primary:active { transform: translateY(0); }

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: transparent;
  color: rgba(255,255,255,0.8);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.75rem 1.5rem;
  border-radius: 100px;
  text-decoration: none;
  border: 1.5px solid rgba(255,255,255,0.25);
  cursor: pointer;
  transition: border-color 0.2s, color 0.2s;
  font-family: var(--font-sans);
}

.btn-ghost:hover { border-color: rgba(255,255,255,0.6); color: var(--white); }

.hero-note {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.4);
}

/* ── SECTION BASE ── */
section { padding: 72px 1.25rem; }

.container { max-width: 1100px; margin: 0 auto; }
.container-narrow { max-width: 760px; margin: 0 auto; }

h2 {
  font-family: var(--font-sans);
  font-size: clamp(1.65rem, 4vw, 2.55rem);
  font-weight: 800;
  line-height: 1.08;
  color: var(--navy);
  letter-spacing: -0.045em;
}

h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.02em;
}

.section-label {
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ocean);
  margin-bottom: 0.75rem;
}

/* ── PROBLEM ── */
.section-problem { background: var(--off-white); }

.section-problem h2 { margin-bottom: 0.75rem; }

.problem-sub {
  color: var(--muted);
  margin-bottom: 2.5rem;
  font-size: 1rem;
}

.problem-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem;
}

@media (min-width: 640px) {
  .problem-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 900px) {
  .problem-grid { grid-template-columns: repeat(3, 1fr); }
}

.problem-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem 1.25rem 1.25rem 1rem;
  display: flex;
  gap: 0.85rem;
  align-items: flex-start;
}

.problem-icon {
  width: 36px; height: 36px;
  border-radius: var(--radius-sm);
  background: var(--teal-pale);
  border: 1px solid rgba(6,182,212,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--ocean);
  font-size: 1rem;
}

.problem-card p {
  font-size: 0.9rem;
  color: var(--text-soft);
  line-height: 1.55;
  padding-top: 0.1rem;
}

/* ── HOW IT WORKS ── */
.section-how { background: var(--white); }

.steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  margin-top: 2.5rem;
  position: relative;
}

@media (min-width: 768px) {
  .steps {
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
  }
}

.step {
  padding: 1.5rem 1.25rem;
  position: relative;
}

@media (min-width: 768px) {
  .step { border-right: 1px solid var(--border); padding: 1.5rem 2rem; }
  .step:last-child { border-right: none; }
}

.step-num {
  font-family: var(--font-sans);
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--teal-light);
  line-height: 1;
  margin-bottom: 0.5rem;
  letter-spacing: -0.06em;
}

.step h3 { margin-bottom: 0.35rem; color: var(--navy); }

.step p { font-size: 0.88rem; color: var(--muted); }

.steps-note {
  margin-top: 1.5rem;
  padding: 0.9rem 1.25rem;
  background: var(--warm-white);
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--teal);
  font-size: 0.875rem;
  color: var(--muted);
}

.steps-note strong { color: var(--text); }

/* ── TRIPS ── */
.section-trips { background: var(--teal-pale); }

.section-trips h2 { margin-bottom: 0.5rem; }

.trips-sub { color: var(--muted); margin-bottom: 2.5rem; }

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

@media (min-width: 640px) {
  .trips-grid { grid-template-columns: repeat(2, 1fr); }
}

.trip-card {
  background: var(--white);
  border: 1px solid rgba(6,182,212,0.2);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  transition: box-shadow 0.2s, transform 0.2s;
}

.trip-card:hover {
  box-shadow: 0 8px 32px rgba(12,26,48,0.1);
  transform: translateY(-2px);
}

.trip-tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--ocean);
  background: var(--teal-pale);
  padding: 0.2rem 0.6rem;
  border-radius: 100px;
  margin-bottom: 0.9rem;
}

.trip-card h3 {
  font-family: var(--font-sans);
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--navy);
  margin-bottom: 0.4rem;
  letter-spacing: -0.035em;
}

.trip-card p { font-size: 0.875rem; color: var(--muted); line-height: 1.55; }

.trip-dots {
  display: flex;
  gap: 4px;
  margin-top: 1rem;
}

.dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--teal-light);
}

.dot.active { background: var(--ocean); }

/* ── FORMS ── */
.section-diver { background: var(--white); }

.section-diver h2 { margin-bottom: 0.5rem; }

.form-sub { color: var(--muted); margin-bottom: 2rem; font-size: 0.95rem; }

.form-card {
  background: var(--off-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem 1.5rem;
}

@media (min-width: 640px) {
  .form-card { padding: 2.5rem 2.5rem; }
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.1rem;
}

@media (min-width: 640px) {
  .form-grid { grid-template-columns: repeat(2, 1fr); }
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.form-group.full { grid-column: 1 / -1; }

label {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--text-soft);
}

.required { color: #E74C3C; }

.section-org .required { color: #F87171; }

input, select, textarea {
  font-family: var(--font-sans);
  font-size: 0.92rem;
  color: var(--text);
  background: var(--white);
  border: 1.5px solid var(--border-dark);
  border-radius: var(--radius-sm);
  padding: 0.65rem 0.85rem;
  width: 100%;
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none;
  -webkit-appearance: none;
}

select {
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2364748B' stroke-width='2'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  padding-right: 2.2rem;
}

input:focus, select:focus, textarea:focus {
  border-color: var(--ocean);
  box-shadow: 0 0 0 3px rgba(14,116,144,0.12);
}

input.error, select.error, textarea.error {
  border-color: #E74C3C;
}

.field-error {
  font-size: 0.78rem;
  color: #E74C3C;
  margin-top: -0.2rem;
  display: none;
}

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

textarea { min-height: 90px; resize: vertical; }

.checkbox-group {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
}

.checkbox-group input[type="checkbox"] {
  width: 18px; height: 18px;
  border-radius: 4px;
  border: 1.5px solid var(--border-dark);
  background: var(--white);
  background-position: center;
  background-repeat: no-repeat;
  background-size: 13px 13px;
  flex-shrink: 0;
  margin-top: 1px;
  cursor: pointer;
  padding: 0;
  transition: background-color 0.2s, border-color 0.2s, box-shadow 0.2s;
}

.checkbox-group input[type="checkbox"]:checked {
  background-color: var(--ocean);
  border-color: var(--ocean);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%23FFFFFF' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E");
}

.checkbox-group input[type="checkbox"]:focus {
  border-color: var(--ocean);
  box-shadow: 0 0 0 3px rgba(14,116,144,0.12);
}

.checkbox-group label {
  font-size: 0.82rem;
  color: var(--muted);
  cursor: pointer;
}

.btn-submit {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  background: var(--navy);
  color: var(--white);
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 0.95rem;
  padding: 0.8rem 2rem;
  border-radius: 100px;
  border: none;
  cursor: pointer;
  transition: background 0.2s, transform 0.15s;
  width: 100%;
}

@media (min-width: 480px) {
  .btn-submit { width: auto; }
}

.btn-submit:hover { background: var(--ocean); transform: translateY(-1px); }
.btn-submit:active { transform: translateY(0); }
.btn-submit:disabled { opacity: 0.6; cursor: not-allowed; transform: none; }

.form-actions { margin-top: 1.5rem; }
.form-actions--compact { margin-top: 1.25rem; }

.form-success {
  display: none;
  text-align: center;
  padding: 2.5rem 1rem;
}

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

.success-icon {
  width: 56px; height: 56px;
  border-radius: 50%;
  background: rgba(14,116,144,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1rem;
  font-size: 1.5rem;
}

.org-success-icon { background: rgba(6,182,212,0.15); }

.form-success h3 {
  font-family: var(--font-sans);
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--navy);
  margin-bottom: 0.5rem;
  letter-spacing: -0.035em;
}

.org-form-card .form-success h3 { color: var(--white); }

.form-success p { color: var(--muted); font-size: 0.9rem; }

/* ── ORGANIZER ── */
.section-org { background: var(--navy); }

.section-org .section-label { color: var(--teal); }

.section-org h2 { color: var(--white); }

.org-text {
  color: rgba(255,255,255,0.65);
  margin: 0.75rem 0 1.75rem;
  font-size: 0.95rem;
  line-height: 1.7;
}

.org-perks {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  margin-bottom: 2rem;
}

.org-perk {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.875rem;
  color: rgba(255,255,255,0.75);
}

.org-perk::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--teal);
  flex-shrink: 0;
}

.org-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: start;
}

@media (min-width: 768px) {
  .org-layout { grid-template-columns: 1fr 1fr; gap: 4rem; }
}

.org-form-card {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
}

.org-form-card input,
.org-form-card select,
.org-form-card textarea {
  background-color: rgba(255,255,255,0.06);
  border-color: rgba(255,255,255,0.15);
  color: var(--white);
}

.org-form-card input::placeholder,
.org-form-card textarea::placeholder {
  color: rgba(255,255,255,0.3);
}

.org-form-card input:focus,
.org-form-card select:focus,
.org-form-card textarea:focus {
  border-color: var(--teal);
  box-shadow: 0 0 0 3px rgba(6,182,212,0.15);
}

.org-form-card label { color: rgba(255,255,255,0.7); }

.org-form-card select {
  color: var(--white);
  background: rgba(255,255,255,0.06) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2394A3B8' stroke-width='2'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E") no-repeat right 0.75rem center / 16px 16px;
}

.org-form-card select option { background: var(--navy); color: var(--white); }

.btn-submit-light {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  background: var(--teal);
  color: var(--navy);
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 0.95rem;
  padding: 0.8rem 2rem;
  border-radius: 100px;
  border: none;
  cursor: pointer;
  width: 100%;
  transition: background 0.2s, transform 0.15s;
}

.btn-submit-light:hover { background: #22D3EE; transform: translateY(-1px); }
.btn-submit-light:disabled { opacity: 0.6; cursor: not-allowed; transform: none; }

/* ── FAQ ── */
.section-faq { background: var(--off-white); }

.section-faq h2 { margin-bottom: 2rem; }

.faq-list { display: flex; flex-direction: column; gap: 0; }

.faq-item {
  border-top: 1px solid var(--border);
  padding: 1.25rem 0;
}

.faq-item:last-child { border-bottom: 1px solid var(--border); }

.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  gap: 1rem;
}

.faq-question h3 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--navy);
  line-height: 1.45;
}

.faq-toggle {
  width: 28px; height: 28px;
  border-radius: 50%;
  border: 1.5px solid var(--border-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--muted);
  font-size: 1.1rem;
  transition: transform 0.25s, border-color 0.2s;
  line-height: 1;
}

.faq-item.open .faq-toggle {
  transform: rotate(45deg);
  border-color: var(--ocean);
  color: var(--ocean);
}

.faq-answer {
  font-size: 0.875rem;
  color: var(--muted);
  line-height: 1.65;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding-top 0.2s;
}

.faq-item.open .faq-answer { max-height: 200px; padding-top: 0.75rem; }

/* ── FINAL CTA ── */
.section-cta {
  background: linear-gradient(135deg, var(--navy-mid) 0%, var(--navy) 100%);
  text-align: center;
  padding: 80px 1.25rem;
}

.section-cta h2 { color: var(--white); margin-bottom: 0.75rem; }

.section-cta p {
  color: rgba(255,255,255,0.65);
  margin-bottom: 2rem;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}

.section-cta .btn-primary { font-size: 1rem; padding: 0.85rem 2rem; }

/* ── FOOTER ── */
footer {
  background: var(--navy);
  padding: 1.5rem 1.25rem;
  text-align: center;
  border-top: 1px solid rgba(255,255,255,0.06);
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

@media (min-width: 640px) {
  .footer-inner { flex-direction: row; justify-content: space-between; }
}

footer .logo { font-size: 1rem; color: var(--white); }

footer p { font-size: 0.78rem; color: rgba(255,255,255,0.35); }

.footer-info {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.footer-info a {
  color: rgba(255,255,255,0.55);
}

.footer-info a:hover {
  color: var(--white);
}

@media (min-width: 640px) {
  .footer-info { text-align: right; }
}

/* ── OCEAN WAVE DIVIDER ── */
.wave-divider { display: block; line-height: 0; }

.wave-divider svg { display: block; width: 100%; }