/* ===================================
   DryLine — Clinical Landing Page
   Teal/blue medical-grade palette
   =================================== */

:root {
  --teal-50:  #e6f7f7;
  --teal-100: #b3e8e8;
  --teal-200: #80d9d9;
  --teal-400: #26b3b3;
  --teal-500: #0d9488;
  --teal-600: #0b7a70;
  --teal-700: #096460;
  --teal-900: #052e2c;
  --blue-900: #0c1a2e;

  --bg:       #FAFCFC;
  --bg-alt:   #EEF5F5;
  --fg:       #0c1a2e;
  --fg-muted: #4a6675;
  --white:    #ffffff;
  --border:   #d0e4e4;

  --font-display: 'Sora', Georgia, serif;
  --font-body:    'Inter', -apple-system, sans-serif;

  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --space-2xl: 6rem;
}

/* Reset */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ── Nav ── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(250, 252, 252, 0.94);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}
.nav__inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 1.1rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav__logo {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--teal-700);
  letter-spacing: -0.01em;
}
.nav__tag {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--teal-400);
}
.nav__cta {
  display: inline-flex;
  align-items: center;
  background: var(--teal-500);
  color: var(--white);
  text-decoration: none;
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.5rem 1.1rem;
  border-radius: 6px;
  transition: background 0.2s ease;
  box-shadow: 0 2px 10px rgba(13, 148, 136, 0.25);
}
.nav__cta:hover { background: var(--teal-600); }

@media (max-width: 480px) {
  .nav__tag { display: none; }
  .nav__cta { font-size: 0.75rem; padding: 0.45rem 0.9rem; }
}

/* ── Section label ── */
.section-label {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--teal-500);
  margin-bottom: 0.85rem;
}

/* ── HERO ── */
.hero {
  padding: 8rem 1.5rem 5rem;
  background: var(--bg);
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -120px; right: -120px;
  width: 600px; height: 600px;
  background: radial-gradient(circle, var(--teal-100) 0%, transparent 70%);
  pointer-events: none;
}
.hero::after {
  content: '';
  position: absolute;
  bottom: -80px; left: -60px;
  width: 400px; height: 400px;
  background: radial-gradient(circle, var(--teal-50) 0%, transparent 70%);
  pointer-events: none;
}
.hero__inner {
  max-width: 1100px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}
.hero__content {
  max-width: 640px;
}
.hero__tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--teal-500);
  background: var(--teal-50);
  border: 1px solid var(--teal-100);
  padding: 0.35rem 0.85rem;
  border-radius: 100px;
  margin-bottom: 1.75rem;
}
.hero__headline {
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 5.5vw, 4.2rem);
  line-height: 1.07;
  color: var(--blue-900);
  letter-spacing: -0.025em;
  margin-bottom: 1.5rem;
}
.hero__sub {
  font-size: 1.1rem;
  line-height: 1.75;
  color: var(--fg-muted);
  max-width: 52ch;
  margin-bottom: 2.5rem;
}
.hero__cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--teal-500);
  color: var(--white);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.85rem 1.75rem;
  border-radius: 8px;
  transition: background 0.2s ease, transform 0.15s ease;
  box-shadow: 0 4px 20px rgba(13, 148, 136, 0.3);
}
.hero__cta:hover {
  background: var(--teal-600);
  transform: translateY(-1px);
}
.hero__visual {
  position: absolute;
  right: 0; top: 50%;
  transform: translateY(-50%);
  width: 360px;
  pointer-events: none;
}

/* ── FEATURES (icon grid) ── */
.features {
  padding: var(--space-2xl) 1.5rem;
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
}
.features__inner {
  max-width: 1100px;
  margin: 0 auto;
}
.features__header {
  margin-bottom: var(--space-lg);
}
.features__headline {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  color: var(--blue-900);
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin-bottom: 0.75rem;
}
.features__sub {
  font-size: 1rem;
  color: var(--fg-muted);
  max-width: 48ch;
}
.features__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.features__card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 2rem 1.75rem;
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}
.features__card:hover {
  box-shadow: 0 8px 32px rgba(13, 148, 136, 0.1);
  transform: translateY(-2px);
}
.features__icon {
  width: 52px; height: 52px;
  border-radius: 12px;
  background: var(--teal-50);
  border: 1px solid var(--teal-100);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  color: var(--teal-500);
}
.features__card-title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--blue-900);
  margin-bottom: 0.5rem;
  line-height: 1.25;
}
.features__card-body {
  font-size: 0.88rem;
  color: var(--fg-muted);
  line-height: 1.6;
}

/* ── MARKET CREDIBILITY ── */
.credibility {
  padding: var(--space-xl) 1.5rem;
  background: var(--blue-900);
  color: var(--white);
}
.credibility__inner {
  max-width: 1100px;
  margin: 0 auto;
}
.credibility__label {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--teal-200);
  margin-bottom: 1.5rem;
}
.credibility__headline {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  color: var(--white);
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin-bottom: var(--space-lg);
}
.credibility__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}
.credibility__stat {}
.credibility__stat-val {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3vw, 2.75rem);
  color: var(--teal-400);
  letter-spacing: -0.02em;
  line-height: 1;
  margin-bottom: 0.5rem;
}
.credibility__stat-label {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.65);
  line-height: 1.5;
}

/* ── TESTIMONIALS ── */
.testimonials {
  padding: var(--space-2xl) 1.5rem;
  background: var(--bg);
  border-top: 1px solid var(--border);
}
.testimonials__inner {
  max-width: 1100px;
  margin: 0 auto;
}
.testimonials__header {
  margin-bottom: var(--space-lg);
}
.testimonials__headline {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  color: var(--blue-900);
  letter-spacing: -0.02em;
  line-height: 1.15;
}
.testimonials__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}
.testimonials__card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 2.25rem;
  position: relative;
}
.testimonials__card::before {
  content: '\u201C';
  font-family: var(--font-display);
  font-size: 4rem;
  color: var(--teal-100);
  position: absolute;
  top: 1rem; left: 1.75rem;
  line-height: 1;
}
.testimonials__quote {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--fg);
  font-style: italic;
  margin-bottom: 1.25rem;
  padding-top: 2rem;
  position: relative;
}
.testimonials__role {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--teal-500);
}
.testimonials__card--nurse {
  border-top: 3px solid var(--teal-400);
}

/* ── WHY NOW ── */
.whynow {
  padding: var(--space-2xl) 1.5rem;
  background: var(--teal-900);
  color: var(--white);
  position: relative;
  overflow: hidden;
}
.whynow::before {
  content: '';
  position: absolute;
  top: -100px; right: -100px;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(38, 179, 179, 0.12) 0%, transparent 70%);
  pointer-events: none;
}
.whynow__inner {
  max-width: 1100px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}
.whynow__label {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--teal-200);
  margin-bottom: 1rem;
}
.whynow__headline {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  color: var(--white);
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin-bottom: var(--space-lg);
}
.whynow__list {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}
.whynow__item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}
.whynow__check {
  flex-shrink: 0;
  width: 28px; height: 28px;
  border-radius: 50%;
  background: var(--teal-500);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 0.15rem;
}
.whynow__item-text {
  font-size: 0.95rem;
  color: rgba(255,255,255,0.85);
  line-height: 1.6;
}

/* ── MISSION ── */
.mission {
  padding: var(--space-2xl) 1.5rem;
  background: var(--bg);
  border-top: 1px solid var(--border);
}
.mission__inner {
  max-width: 700px;
  margin: 0 auto;
  text-align: center;
}
.mission__icon {
  width: 64px; height: 64px;
  border-radius: 16px;
  background: var(--teal-50);
  border: 1px solid var(--teal-100);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-md);
  color: var(--teal-500);
}
.mission__quote {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 2.5vw, 1.9rem);
  color: var(--blue-900);
  letter-spacing: -0.02em;
  line-height: 1.35;
  font-style: italic;
  margin-bottom: 1.5rem;
}
.mission__body {
  font-size: 1rem;
  color: var(--fg-muted);
  line-height: 1.7;
}

/* ── FOOTER ── */
.footer {
  padding: 2.5rem 1.5rem;
  background: var(--blue-900);
  color: var(--white);
}
.footer__inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}
.footer__brand {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  opacity: 0.9;
}
.footer__tagline {
  font-size: 0.82rem;
  opacity: 0.5;
}
.footer__legal {
  font-size: 0.7rem;
  opacity: 0.3;
  line-height: 1.5;
  text-align: right;
}

/* ── WAITLIST FORM ── */
.waitlist {
  padding: var(--space-2xl) 1.5rem;
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
}
.waitlist__inner {
  max-width: 600px;
  margin: 0 auto;
  text-align: center;
}
.waitlist__icon {
  width: 56px; height: 56px;
  border-radius: 14px;
  background: var(--teal-50);
  border: 1px solid var(--teal-100);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.25rem;
  color: var(--teal-500);
}
.waitlist__label {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--teal-500);
  margin-bottom: 0.75rem;
}
.waitlist__headline {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  color: var(--blue-900);
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin-bottom: 1rem;
}
.waitlist__sub {
  font-size: 0.95rem;
  color: var(--fg-muted);
  line-height: 1.65;
  margin-bottom: 2rem;
  max-width: 48ch;
  margin-left: auto;
  margin-right: auto;
}
.waitlist__form {
  width: 100%;
}
.waitlist__field-row {
  display: flex;
  gap: 0.6rem;
  align-items: stretch;
  max-width: 480px;
  margin: 0 auto;
}
.waitlist__input {
  flex: 1;
  padding: 0.75rem 1rem;
  font-size: 0.95rem;
  font-family: var(--font-body);
  color: var(--fg);
  background: var(--white);
  border: 1.5px solid var(--border);
  border-radius: 8px;
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  min-width: 0;
}
.waitlist__input::placeholder { color: #8aabb4; }
.waitlist__input:focus {
  border-color: var(--teal-400);
  box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.1);
}
.waitlist__btn {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.35rem;
  background: var(--teal-500);
  color: var(--white);
  font-size: 0.9rem;
  font-weight: 600;
  font-family: var(--font-body);
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.2s ease, transform 0.15s ease;
  box-shadow: 0 4px 16px rgba(13, 148, 136, 0.25);
  white-space: nowrap;
}
.waitlist__btn:hover:not(:disabled) {
  background: var(--teal-600);
  transform: translateY(-1px);
}
.waitlist__btn:disabled {
  opacity: 0.65;
  cursor: not-allowed;
  transform: none;
}
.waitlist__btn-loading { display: none; }
.waitlist__btn.is-loading .waitlist__btn-text { display: none; }
.waitlist__btn.is-loading .waitlist__btn-loading { display: flex; }
.spinner {
  animation: spin 0.7s linear infinite;
}
@keyframes spin {
  to { transform: rotate(360deg); }
}
.waitlist__error {
  font-size: 0.82rem;
  color: #b83a3a;
  margin-top: 0.65rem;
  min-height: 1.2em;
  font-weight: 500;
}
.waitlist__success {
  font-size: 0.9rem;
  color: var(--teal-600);
  font-weight: 600;
  margin-top: 0.65rem;
  min-height: 1.2em;
}
.waitlist__privacy {
  font-size: 0.75rem;
  color: var(--fg-muted);
  opacity: 0.7;
  margin-top: 1rem;
}

/* ── Responsive ── */
@media (max-width: 900px) {
  .hero { padding: 6rem 1.25rem 4rem; }
  .hero__visual { display: none; }
  .features__grid { grid-template-columns: repeat(2, 1fr); }
  .credibility__stats { grid-template-columns: 1fr 1fr; }
  .testimonials__grid { grid-template-columns: 1fr; }
  .whynow__list { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
  .hero { padding: 5rem 1rem 3rem; }
  .features__grid { grid-template-columns: 1fr; }
  .credibility__stats { grid-template-columns: 1fr; }
  .footer__inner { flex-direction: column; align-items: flex-start; }
  .footer__legal { text-align: left; }
}