/* ============================================================
   Samuel — landing page
   Aesthetic: light grey + blue. Serif-led, calm, editorial.
   ============================================================ */

:root {
  --bg: #eef0f3;          /* light grey background */
  --bg-soft: #f6f7f9;     /* paler grey for sections */
  --bg-card: #ffffff;     /* card surface */
  --ink: #1e3a8a;         /* primary blue text */
  --ink-strong: #122c6e;  /* deeper blue for headlines */
  --ink-dim: #4b6bb5;     /* secondary blue */
  --ink-faint: #8a9bc4;   /* tertiary blue */
  --accent: #2563eb;      /* bright blue accent */
  --accent-deep: #1d4ed8;
  --line: rgba(30, 58, 138, 0.12);
  --line-strong: rgba(30, 58, 138, 0.22);

  --serif: "Fraunces", "Iowan Old Style", Georgia, serif;
  --sans: "Inter", -apple-system, BlinkMacSystemFont, "Helvetica Neue",
    sans-serif;

  --radius: 18px;
  --radius-sm: 10px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body {
  background:
    radial-gradient(
      1200px 600px at 80% -10%,
      rgba(37, 99, 235, 0.08),
      transparent 60%
    ),
    radial-gradient(
      900px 500px at -10% 30%,
      rgba(30, 58, 138, 0.06),
      transparent 60%
    ),
    var(--bg);
  min-height: 100vh;
  overflow-x: hidden;
}

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

em {
  font-style: italic;
  color: var(--accent);
  font-weight: 400;
}

.grain {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 0;
  opacity: 0.035;
  mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='180' height='180'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
}

/* ============================ NAV ============================ */

.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(18px);
  background: rgba(238, 240, 243, 0.78);
  border-bottom: 1px solid var(--line);
}

.nav__inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 18px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  letter-spacing: 0.01em;
  color: var(--ink-strong);
}

.brand__mark {
  width: 36px;
  height: 36px;
  display: block;
  filter: drop-shadow(0 4px 10px rgba(37, 99, 235, 0.18));
}

.brand__name {
  font-family: var(--serif);
  font-size: 20px;
  font-weight: 500;
  color: var(--ink-strong);
}

.nav__links {
  display: flex;
  gap: 28px;
  font-size: 14px;
  color: var(--ink-dim);
}

.nav__links a:hover {
  color: var(--accent);
}

/* ============================ HERO =========================== */

.hero {
  position: relative;
  max-width: 1200px;
  margin: 0 auto;
  padding: 120px 28px 80px;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 56px;
  align-items: center;
  z-index: 1;
}

.hero__inner {
  position: relative;
  z-index: 2;
}

.kicker {
  font-family: var(--sans);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--accent);
  margin: 0 0 18px;
  font-weight: 600;
}

.hero__title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(44px, 6vw, 78px);
  line-height: 1.02;
  letter-spacing: -0.02em;
  margin: 0 0 26px;
  font-variation-settings: "opsz" 144;
  color: var(--ink-strong);
}

.hero__sub {
  font-size: 18px;
  line-height: 1.65;
  color: var(--ink-dim);
  max-width: 560px;
  margin: 0 0 36px;
}

.hero__cta {
  display: flex;
  align-items: center;
  gap: 22px;
  flex-wrap: wrap;
  margin-bottom: 32px;
}

.hero__whisper {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: var(--ink-faint);
  letter-spacing: 0.05em;
  font-style: italic;
  font-family: var(--serif);
}

.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 14px rgba(37, 99, 235, 0.6);
  animation: pulse 1.8s ease-in-out infinite;
}

@keyframes pulse {
  0%,
  100% {
    opacity: 0.45;
    transform: scale(1);
  }
  50% {
    opacity: 1;
    transform: scale(1.25);
  }
}

/* CTAs */
.cta {
  display: inline-block;
  padding: 14px 26px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.01em;
  transition: all 0.2s ease;
  cursor: pointer;
  border: 0;
  font-family: var(--sans);
}

.cta--primary {
  background: var(--accent);
  color: #ffffff;
  box-shadow: 0 8px 24px rgba(37, 99, 235, 0.28);
}

.cta--primary:hover {
  background: var(--accent-deep);
  transform: translateY(-1px);
  box-shadow: 0 12px 30px rgba(37, 99, 235, 0.36);
}

.cta--ghost {
  border: 1px solid var(--line-strong);
  color: var(--ink);
  font-size: 13px;
  padding: 10px 18px;
  background: transparent;
}

.cta--ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.cta--text {
  background: none;
  color: var(--ink-dim);
  padding: 0;
  font-size: 15px;
}

.cta--text:hover {
  color: var(--accent);
}

/* Hero scene */
.hero__scene {
  position: relative;
  height: 480px;
}

.orb {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 280px;
  height: 280px;
}

.orb__avatar {
  position: absolute;
  inset: 12%;
  width: 76%;
  height: 76%;
  filter: drop-shadow(0 18px 32px rgba(37, 99, 235, 0.28));
  animation: bob 4s ease-in-out infinite;
  z-index: 2;
}

.orb__halo {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: radial-gradient(
    circle,
    rgba(77, 196, 212, 0.35) 0%,
    rgba(77, 196, 212, 0.08) 40%,
    transparent 70%
  );
  animation: pulse-halo 4s ease-in-out infinite;
  z-index: 0;
}

.orb__halo--2 {
  inset: 18%;
  background: radial-gradient(
    circle,
    rgba(37, 99, 235, 0.18) 0%,
    transparent 65%
  );
  animation-delay: 1s;
  animation-duration: 5s;
}

@keyframes bob {
  0%,
  100% {
    transform: translateY(0) rotate(-2deg);
  }
  50% {
    transform: translateY(-10px) rotate(2deg);
  }
}

@keyframes pulse-halo {
  0%,
  100% {
    opacity: 0.7;
    transform: scale(1);
  }
  50% {
    opacity: 1;
    transform: scale(1.08);
  }
}

.bubble {
  position: absolute;
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 14px 18px;
  font-size: 14px;
  max-width: 280px;
  line-height: 1.5;
  box-shadow: 0 18px 40px rgba(30, 58, 138, 0.12);
  animation: float-in 0.8s ease-out both;
}

.bubble__who {
  display: block;
  font-family: var(--serif);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--accent);
  margin-bottom: 4px;
}

.bubble__text {
  color: var(--ink-strong);
}

.bubble--you {
  top: 8%;
  left: 0;
  animation-delay: 0.3s;
}

.bubble--him {
  bottom: 10%;
  right: 0;
  border-color: rgba(37, 99, 235, 0.25);
}

.bubble--delay {
  animation-delay: 1.4s;
}

@keyframes float-in {
  0% {
    opacity: 0;
    transform: translateY(8px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ========================== SECTIONS ========================= */

.section {
  position: relative;
  z-index: 1;
  max-width: 1100px;
  margin: 0 auto;
  padding: 110px 28px;
}

.section--center {
  text-align: center;
}

.section--center .lede {
  margin-left: auto;
  margin-right: auto;
}

.display {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(36px, 4.6vw, 58px);
  line-height: 1.05;
  letter-spacing: -0.018em;
  margin: 0 0 22px;
  font-variation-settings: "opsz" 144;
  color: var(--ink-strong);
}

.lede {
  font-size: 18px;
  line-height: 1.7;
  color: var(--ink-dim);
  max-width: 640px;
  margin: 0 0 24px;
}

.lede.center {
  margin-left: auto;
  margin-right: auto;
}

/* 3-up cards */
.grid {
  display: grid;
  gap: 24px;
  margin-top: 64px;
  text-align: left;
}

.grid--3 {
  grid-template-columns: repeat(3, 1fr);
}

.card {
  padding: 36px 30px;
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: border-color 0.25s ease, transform 0.25s ease,
    box-shadow 0.25s ease;
  box-shadow: 0 1px 2px rgba(30, 58, 138, 0.04);
}

.card:hover {
  border-color: rgba(37, 99, 235, 0.4);
  transform: translateY(-3px);
  box-shadow: 0 14px 32px rgba(30, 58, 138, 0.1);
}

.card__icon {
  font-size: 24px;
  color: var(--accent);
  margin-bottom: 18px;
  font-family: var(--serif);
}

.card h3 {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 22px;
  margin: 0 0 10px;
  letter-spacing: -0.01em;
  color: var(--ink-strong);
}

.card p {
  margin: 0;
  color: var(--ink-dim);
  font-size: 15px;
  line-height: 1.65;
}

/* SPLIT */
.section--split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  max-width: 1200px;
}

.split__copy .lede {
  max-width: none;
}

.convo {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.65;
  box-shadow: 0 14px 38px rgba(30, 58, 138, 0.08);
}

.line {
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
  color: var(--ink);
}

.line:last-child {
  border-bottom: 0;
}

.line__who {
  display: inline-block;
  font-family: var(--serif);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--accent);
  margin-right: 12px;
  min-width: 60px;
}

.line--you {
  color: var(--ink-strong);
}

.line--him {
  color: var(--ink-strong);
}

.line--meta {
  color: var(--ink-faint);
  font-style: italic;
  font-size: 13px;
  font-family: var(--serif);
  padding-left: 0;
}

.line--gap {
  text-align: center;
  color: var(--ink-faint);
  font-style: italic;
  font-family: var(--serif);
  font-size: 13px;
  padding: 18px 0;
  letter-spacing: 0.04em;
}

/* Quiet section */
.section--quiet {
  text-align: center;
  background: linear-gradient(
    180deg,
    transparent 0%,
    rgba(37, 99, 235, 0.04) 50%,
    transparent 100%
  );
}

.phrases {
  list-style: none;
  padding: 0;
  margin: 64px auto 0;
  max-width: 900px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px 24px;
}

.phrases li {
  font-family: var(--serif);
  font-size: 19px;
  font-style: italic;
  color: var(--ink-strong);
  font-weight: 400;
  padding: 18px 22px;
  border-left: 2px solid rgba(37, 99, 235, 0.4);
  background: var(--bg-card);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  text-align: left;
  transition: all 0.25s ease;
  box-shadow: 0 1px 2px rgba(30, 58, 138, 0.04);
}

.phrases li:hover {
  border-left-color: var(--accent);
  background: #ffffff;
  transform: translateX(2px);
  box-shadow: 0 6px 18px rgba(30, 58, 138, 0.08);
}

/* Compare */
.section__head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 56px;
}

.section__head .lede {
  margin: 0 auto;
}

.compare {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--bg-card);
  box-shadow: 0 14px 38px rgba(30, 58, 138, 0.06);
}

.compare__row {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr;
  border-bottom: 1px solid var(--line);
}

.compare__row:last-child {
  border-bottom: 0;
}

.compare__row > div {
  padding: 18px 22px;
  font-size: 15px;
  color: var(--ink-dim);
  border-right: 1px solid var(--line);
}

.compare__row > div:last-child {
  border-right: 0;
}

.compare__row--head > div {
  font-family: var(--serif);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--ink-faint);
  background: var(--bg-soft);
}

.compare__label {
  color: var(--ink-strong) !important;
  font-weight: 500;
}

.compare__him {
  color: var(--ink-strong) !important;
  background: rgba(37, 99, 235, 0.05);
  font-family: var(--serif);
  font-size: 16px !important;
  font-weight: 400;
}

.compare__row--head .compare__him {
  color: var(--accent) !important;
  background: rgba(37, 99, 235, 0.08);
  font-size: 13px !important;
}

/* Visually-hidden utility (still available to screen readers + crawlers) */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* FAQ */
.section--faq {
  background: linear-gradient(
    180deg,
    transparent 0%,
    rgba(37, 99, 235, 0.04) 50%,
    transparent 100%
  );
}

.faq {
  max-width: 820px;
  margin: 0 auto;
  display: grid;
  gap: 14px;
}

.faq__item {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px 32px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  box-shadow: 0 1px 2px rgba(30, 58, 138, 0.04);
}

.faq__item:hover {
  border-color: rgba(37, 99, 235, 0.3);
  box-shadow: 0 6px 18px rgba(30, 58, 138, 0.08);
}

.faq__item dt {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 20px;
  color: var(--ink-strong);
  letter-spacing: -0.01em;
  margin-bottom: 10px;
}

.faq__item dd {
  margin: 0;
  color: var(--ink-dim);
  font-size: 16px;
  line-height: 1.7;
}

.faq__item dd code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 14px;
  background: rgba(37, 99, 235, 0.08);
  padding: 1px 6px;
  border-radius: 4px;
  color: var(--ink-strong);
}

.faq__item dd a {
  color: var(--accent);
  border-bottom: 1px solid rgba(37, 99, 235, 0.3);
}

/* Potential */
.section--potential {
  text-align: center;
  padding: 140px 28px;
}

/* CTA box */
.section--cta {
  padding-bottom: 140px;
}

.ctaBox {
  text-align: center;
  background: linear-gradient(
    160deg,
    rgba(37, 99, 235, 0.08) 0%,
    rgba(37, 99, 235, 0.02) 100%
  );
  border: 1px solid rgba(37, 99, 235, 0.22);
  border-radius: 28px;
  padding: 80px 40px;
  max-width: 760px;
  margin: 0 auto;
}

.form {
  display: flex;
  gap: 10px;
  max-width: 480px;
  margin: 36px auto 24px;
  flex-wrap: wrap;
  justify-content: center;
}

.form input {
  flex: 1;
  min-width: 220px;
  padding: 14px 20px;
  background: #ffffff;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  color: var(--ink-strong);
  font-family: var(--sans);
  font-size: 15px;
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form input::placeholder {
  color: var(--ink-faint);
}

.form input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.12);
}

.fineprint {
  color: var(--ink-faint);
  font-size: 13px;
  margin-top: 16px;
}

.fineprint a {
  color: var(--accent);
  border-bottom: 1px solid rgba(37, 99, 235, 0.3);
}

/* Footer */
.foot {
  border-top: 1px solid var(--line);
  padding: 40px 28px 60px;
  position: relative;
  z-index: 1;
  background: var(--bg-soft);
}

.foot__inner {
  max-width: 1100px;
  margin: 0 auto;
  text-align: center;
  color: var(--ink-faint);
}

.foot__brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--serif);
  font-size: 18px;
  color: var(--ink-strong);
  margin-bottom: 12px;
}

.foot__brand .brand__mark {
  width: 28px;
  height: 28px;
}

.foot__tag {
  font-family: var(--serif);
  font-style: italic;
  color: var(--ink-dim);
  margin: 0 0 6px;
  font-size: 14px;
}

.foot__copy {
  font-size: 13px;
  margin: 0;
}

.foot__copy a {
  color: var(--accent);
}

/* ========================== RESPONSIVE ======================= */

@media (max-width: 900px) {
  .nav__links {
    display: none;
  }
  .hero {
    grid-template-columns: 1fr;
    padding: 80px 24px 40px;
  }
  .hero__scene {
    height: 360px;
    order: -1;
  }
  .grid--3 {
    grid-template-columns: 1fr;
  }
  .section {
    padding: 80px 24px;
  }
  .section--split {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .phrases {
    grid-template-columns: 1fr;
  }
  .compare__row {
    grid-template-columns: 1fr;
  }
  .compare__row > div {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }
  .compare__row > div:last-child {
    border-bottom: 0;
  }
  .compare__row--head {
    display: none;
  }
  .ctaBox {
    padding: 56px 24px;
  }
}