/* SkinPilot — shared stylesheet */

:root {
  --rose: #D4537E;
  --teal: #1D9E75;
  --cream: #FDF9F7;
  --dark: #1A1A1A;
  --border: #E8E0DC;
  --muted: #6B6B6B;
  --white: #FFFFFF;
  --radius: 12px;
  --max-width: 1100px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background-color: var(--cream);
  color: var(--dark);
  line-height: 1.65;
  font-size: 16px;
}

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

a:hover {
  text-decoration: underline;
}

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

/* ─── Nav ─────────────────────────────── */

.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(253, 249, 247, 0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-wordmark {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--rose);
  letter-spacing: -0.02em;
}

.nav-contact {
  font-size: 0.875rem;
  color: var(--muted);
}

.nav-contact a {
  color: var(--muted);
}

.nav-contact a:hover {
  color: var(--rose);
  text-decoration: none;
}

/* ─── Layout helpers ──────────────────── */

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

.section {
  padding: 80px 0;
}

.section-sm {
  padding: 48px 0;
}

/* ─── Hero ────────────────────────────── */

.hero {
  padding: 100px 0 80px;
  text-align: center;
}

.hero-eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 20px;
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  color: var(--dark);
  max-width: 800px;
  margin: 0 auto 24px;
}

.hero-sub {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--muted);
  max-width: 560px;
  margin: 0 auto 40px;
  line-height: 1.7;
}

/* ─── Hero icon ──────────────────────── */

.hero-icon {
  width: 80px;
  height: 80px;
  border-radius: 20px;
  margin: 0 auto 24px;
  display: block;
  box-shadow: 0 4px 16px rgba(212, 83, 126, 0.25);
}

/* ─── Waitlist form ───────────────────── */

.waitlist-form {
  display: flex;
  gap: 10px;
  max-width: 480px;
  margin: 0 auto;
}

.waitlist-form input[type="email"] {
  flex: 1;
  padding: 14px 18px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.95rem;
  background: var(--white);
  color: var(--dark);
  outline: none;
  transition: border-color 0.2s;
}

.waitlist-form input[type="email"]::placeholder {
  color: #BCBCBC;
}

.waitlist-form input[type="email"]:focus {
  border-color: var(--rose);
}

.btn {
  display: inline-block;
  padding: 14px 28px;
  border-radius: var(--radius);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: opacity 0.2s, transform 0.1s;
}

.btn:hover {
  opacity: 0.88;
  text-decoration: none;
}

.btn:active {
  transform: scale(0.98);
}

.btn-rose {
  background: var(--rose);
  color: var(--white);
}

.btn-outline {
  background: transparent;
  color: var(--rose);
  border: 1.5px solid var(--rose);
}

.form-note {
  margin-top: 12px;
  font-size: 0.78rem;
  color: var(--muted);
}

/* ─── Feature cards ───────────────────── */

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  margin-top: 16px;
}

.card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
  border-left-width: 4px;
}

.card-rose  { border-left-color: var(--rose); }
.card-teal  { border-left-color: var(--teal); }

.card-icon {
  font-size: 1.6rem;
  margin-bottom: 16px;
}

.card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--dark);
}

.card p {
  font-size: 0.925rem;
  color: var(--muted);
  line-height: 1.7;
}

/* ─── Section headings ────────────────── */

.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.2;
  color: var(--dark);
  margin-bottom: 16px;
}

.section-sub {
  font-size: 1rem;
  color: var(--muted);
  max-width: 520px;
}

/* ─── Steps (How it works) ────────────── */

.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 32px;
  margin-top: 48px;
}

.step {
  position: relative;
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--rose);
  color: var(--white);
  font-size: 0.875rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.step h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--dark);
}

.step p {
  font-size: 0.9rem;
  color: var(--muted);
  line-height: 1.7;
}

/* ─── Social proof ────────────────────── */

.proof {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 60px 40px;
  text-align: center;
}

.proof-number {
  font-size: clamp(3rem, 8vw, 6rem);
  font-weight: 900;
  color: var(--rose);
  letter-spacing: -0.04em;
  line-height: 1;
  margin-bottom: 12px;
}

.proof-label {
  font-size: 1.1rem;
  color: var(--dark);
  font-weight: 600;
  margin-bottom: 8px;
}

.proof-sub {
  font-size: 0.9rem;
  color: var(--muted);
  max-width: 440px;
  margin: 0 auto;
}

/* ─── CTA band ────────────────────────── */

.cta-band {
  background: var(--rose);
  padding: 80px 0;
  text-align: center;
  color: var(--white);
}

.cta-band h2 {
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}

.cta-band p {
  font-size: 1rem;
  opacity: 0.85;
  margin-bottom: 36px;
}

.cta-band .waitlist-form input[type="email"] {
  border-color: rgba(255,255,255,0.4);
  background: rgba(255,255,255,0.15);
  color: var(--white);
}

.cta-band .waitlist-form input[type="email"]::placeholder {
  color: rgba(255,255,255,0.6);
}

.cta-band .waitlist-form input[type="email"]:focus {
  border-color: var(--white);
}

.btn-white {
  background: var(--white);
  color: var(--rose);
}

.cta-band .form-note {
  color: rgba(255,255,255,0.65);
}

/* ─── Footer ──────────────────────────── */

.footer {
  border-top: 1px solid var(--border);
  padding: 36px 0;
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-copy {
  font-size: 0.85rem;
  color: var(--muted);
}

.footer-links {
  display: flex;
  gap: 24px;
  list-style: none;
}

.footer-links a {
  font-size: 0.85rem;
  color: var(--muted);
}

.footer-links a:hover {
  color: var(--rose);
  text-decoration: none;
}

/* ─── Page header (inner pages) ──────── */

.page-header {
  padding: 60px 0 40px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 60px;
}

.page-header h1 {
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--dark);
  margin-bottom: 8px;
}

.page-header .updated {
  font-size: 0.85rem;
  color: var(--muted);
}

/* ─── Prose (privacy, terms) ──────────── */

.prose {
  max-width: 720px;
  margin: 0 auto;
  padding-bottom: 80px;
}

.prose h2 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--dark);
  margin: 48px 0 14px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}

.prose h2:first-child {
  margin-top: 0;
}

.prose p {
  font-size: 0.975rem;
  color: #333;
  margin-bottom: 16px;
  line-height: 1.8;
}

.prose ul,
.prose ol {
  padding-left: 24px;
  margin-bottom: 16px;
}

.prose li {
  font-size: 0.975rem;
  color: #333;
  line-height: 1.8;
  margin-bottom: 6px;
}

.prose a {
  color: var(--rose);
  text-decoration: underline;
}

.prose strong {
  color: var(--dark);
  font-weight: 600;
}

/* ─── Support page ────────────────────── */

.contact-block {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 48px 40px;
  text-align: center;
  margin-bottom: 64px;
}

.contact-block h2 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--dark);
}

.contact-block p {
  color: var(--muted);
  margin-bottom: 24px;
}

.faq-list {
  max-width: 720px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--border);
  padding: 28px 0;
}

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

.faq-question {
  font-size: 1rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 10px;
}

.faq-answer {
  font-size: 0.95rem;
  color: var(--muted);
  line-height: 1.75;
}

.contact-form-section {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 48px 40px;
  max-width: 620px;
  margin: 60px auto 0;
}

.contact-form-section h2 {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--dark);
}

.contact-form-section > p {
  color: var(--muted);
  font-size: 0.9rem;
  margin-bottom: 28px;
}

.form-group {
  margin-bottom: 18px;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--dark);
  margin-bottom: 6px;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 14px;
  border: 1.5px solid var(--border);
  border-radius: 8px;
  font-size: 0.9rem;
  color: var(--dark);
  background: var(--cream);
  outline: none;
  font-family: inherit;
  transition: border-color 0.2s;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--rose);
}

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

/* ─── Habits list ─────────────────────── */

.habits-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
  counter-reset: list-item;
}

.habits-list li {
  font-size: 14px;
  font-weight: 600;
  color: var(--dark);
  display: flex;
  align-items: center;
  gap: 8px;
}

.habits-list li::before {
  content: counter(list-item) ".";
  counter-increment: list-item;
  color: var(--rose);
  font-weight: 700;
  font-size: 13px;
  min-width: 16px;
}

/* ─── Divider ─────────────────────────── */

.divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: 0;
}

/* ─── Responsive ──────────────────────── */

@media (max-width: 768px) {
  body {
    overflow-x: hidden;
  }

  .nav {
    padding: 0 20px;
  }

  .nav-inner {
    height: auto;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    padding: 14px 0;
    flex-wrap: wrap;
    gap: 4px;
  }

  .nav-email {
    font-size: 12px;
  }

  .hero-icon {
    width: 64px;
    height: 64px;
    border-radius: 16px;
    margin-bottom: 20px;
  }

  .hero {
    padding: 56px 20px 64px;
  }

  .container {
    padding: 0 20px;
  }

  .container--narrow {
    padding: 0 20px;
  }

  .features {
    padding: 56px 0;
  }

  .features-grid {
    padding: 0 20px;
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .feature-card {
    padding: 24px 20px;
  }

  .how-it-works {
    padding: 56px 20px;
  }

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

  .proof {
    padding: 48px 24px;
    margin: 0 16px;
    border-radius: 16px;
  }

  .proof-inner {
    padding: 0;
  }

  .cta-section {
    padding: 64px 20px;
  }

  .cta-section .form-row {
    flex-direction: column;
    gap: 10px;
  }

  .cta-section .btn-email {
    width: 100%;
    text-align: center;
  }

  .waitlist-form {
    flex-direction: column;
  }

  .waitlist-form .btn {
    width: 100%;
    text-align: center;
  }

  .footer {
    padding: 48px 20px 32px;
  }

  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .footer-links {
    flex-direction: column;
    gap: 10px;
  }

  .footer-links .sep {
    display: none;
  }

  .contact-block,
  .contact-form-section {
    padding: 32px 24px;
  }

  .page-header {
    padding: 40px 0 28px;
    margin-bottom: 40px;
  }
}

@media (max-width: 480px) {
  .hero {
    padding: 48px 20px 56px;
  }

  .features {
    padding: 48px 0;
  }

  .how-it-works {
    padding: 48px 20px;
  }

  .cta-section {
    padding: 56px 20px;
  }

  .footer {
    padding: 40px 20px 28px;
  }

  .hero-headline {
    font-size: 32px;
    line-height: 1.15;
  }

  .hero-sub {
    font-size: 16px;
  }

  .form-row {
    flex-direction: column;
    gap: 10px;
  }

  .form-input {
    width: 100%;
  }

  .btn-email {
    width: 100%;
    text-align: center;
  }

  .section-title {
    font-size: 24px;
  }

  .proof-number {
    font-size: 72px;
  }

  .proof-subtitle {
    font-size: 18px;
  }

  .cta-headline {
    font-size: 26px;
  }

  .step {
    gap: 14px;
  }

  .step-body {
    font-size: 15px;
  }

  .legal-page {
    padding: 32px 20px 56px;
  }

  .support-page {
    padding: 32px 20px 56px;
  }

  .contact-block {
    padding: 28px 20px;
  }

  .faq-section {
    margin: 0 0 56px;
  }
}