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

:root {
  --black: #0e0e0e;
  --dark: #1a1a1a;
  --mid: #6b6b6b;
  --light: #a0a0a0;
  --border: #e8e8e8;
  --bg: #f9f8f6;
  --white: #ffffff;
  --accent: #2563eb;
  --accent-hover: #1d4ed8;
  --featured-bg: #0e0e0e;
  --radius: 12px;
  --radius-sm: 8px;
  --font-serif: 'Instrument Serif', Georgia, serif;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--dark);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ─── Nav ─── */
.nav {
  position: fixed;
  top: 16px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 100;
  pointer-events: none;
  width: max-content;
  max-width: calc(100vw - 32px);
}

.nav-pill {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.94);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 5px 5px 5px 20px;
  box-shadow: 0 2px 20px rgba(0,0,0,0.08);
  pointer-events: all;
}

.nav-btn-wrap {
  padding: 3px 3px 3px 0;
}

.logo {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  color: var(--black);
  text-decoration: none;
  letter-spacing: -0.01em;
  margin-right: 4px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-links a {
  font-size: 0.85rem;
  color: var(--mid);
  text-decoration: none;
  padding: 6px 12px;
  border-radius: 100px;
  transition: color 0.12s, background 0.12s;
}

.nav-links a:hover {
  color: var(--dark);
  background: var(--bg);
}

.btn.btn-nav {
  background: linear-gradient(180deg, #3d3835 0%, #1c1917 100%);
  color: var(--white) !important;
  padding: 6px 14px;
  border-radius: 9999px;
  font-size: 0.85rem;
  font-weight: 500;
  transition: opacity 0.15s;
  box-shadow: 0 1px 0 #0a0a0a, 0 2px 4px rgba(0,0,0,0.2), inset 0 1px 0 rgba(255,255,255,0.1);
}

.btn-nav:hover { opacity: 0.88; }

/* ─── Buttons ─── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 500;
  text-decoration: none;
  border-radius: var(--radius-sm);
  transition: all 0.15s ease;
  cursor: pointer;
  border: none;
  white-space: nowrap;
}

.btn-sm { padding: 8px 18px; }
.btn-lg { padding: 16px 40px; font-size: 1rem; border-radius: var(--radius); }

.btn-primary {
  background: var(--black);
  color: var(--white);
  padding: 12px 28px;
}
.btn-primary:hover { background: var(--dark); transform: translateY(-1px); box-shadow: 0 4px 16px rgba(0,0,0,0.18); }

.btn-outline {
  background: transparent;
  color: var(--dark);
  padding: 12px 28px;
  border: 1.5px solid var(--border);
}
.btn-outline:hover { border-color: var(--dark); transform: translateY(-1px); }

/* ─── Typography helpers ─── */
.eyebrow {
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--mid);
  margin-bottom: 20px;
}

.section-label {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--light);
  margin-bottom: 16px;
}

.section-headline {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 400;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--black);
  margin-bottom: 48px;
}

/* ─── Hero ─── */
.hero {
  padding: 100px 0 0;
  text-align: center;
  overflow: hidden;
  background: #f8f9f6;
}

.hero-headline {
  font-family: var(--font-serif);
  font-size: clamp(2.6rem, 6vw, 4.4rem);
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--black);
  margin-bottom: 24px;
}

.hero-sub {
  max-width: 560px;
  margin: 0 auto 40px;
  font-size: 1.08rem;
  color: var(--mid);
  line-height: 1.65;
}

.hero-cta {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  margin-bottom: 64px;
}

.trust-line {
  font-size: 0.78rem;
  color: var(--light);
  letter-spacing: 0.01em;
}

/* Hero visual — browser mockup */
.hero-visual {
  max-width: 780px;
  margin: 0 auto;
  border-radius: 14px 14px 0 0;
  overflow: hidden;
  border: 1px solid var(--border);
  border-bottom: none;
  box-shadow: 0 -4px 40px rgba(0,0,0,0.07);
  background: var(--white);
}

.browser-chrome {
  background: #f1f1f1;
  border-bottom: 1px solid var(--border);
  padding: 10px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.browser-dots {
  display: flex;
  gap: 5px;
}

.browser-dots span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #d9d9d9;
}

.browser-url {
  flex: 1;
  background: var(--white);
  border-radius: 5px;
  padding: 4px 10px;
  font-size: 0.72rem;
  color: var(--light);
  font-family: monospace;
  border: 1px solid var(--border);
}

.product-demo {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 320px;
}

.demo-left {
  background: #f7f7f7;
  position: relative;
  overflow: hidden;
}

.demo-product-img {
  width: 100%;
  height: 100%;
  position: relative;
}

.product-photo {
  width: 100%;
  height: 100%;
  min-height: 320px;
  object-fit: cover;
  display: block;
  filter: blur(14px);
  transform: scale(1.08);
  transition: filter 0.9s ease, transform 0.9s ease;
}

.blur-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2;
  background: rgba(255,255,255,0.15);
  backdrop-filter: blur(2px);
  transition: opacity 0.6s ease;
}

.blur-lock {
  width: 44px;
  height: 44px;
  background: rgba(255,255,255,0.9);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--dark);
  box-shadow: 0 2px 12px rgba(0,0,0,0.12);
  transition: transform 0.3s ease, opacity 0.3s ease;
}

/* unlocked state */
.product-demo.unlocked .product-photo {
  filter: blur(0px);
  transform: scale(1);
}

.product-demo.unlocked .blur-overlay {
  opacity: 0;
  pointer-events: none;
}

/* unlocked tag */
.unlock-tag {
  position: absolute;
  bottom: 16px;
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  background: var(--black);
  color: var(--white);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 5px 12px;
  border-radius: 100px;
  white-space: nowrap;
  opacity: 0;
  transition: opacity 0.4s ease 0.5s, transform 0.4s ease 0.5s;
  z-index: 3;
}

.product-demo.unlocked .unlock-tag {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.demo-right {
  padding: 32px 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--white);
}

.email-modal {
  width: 100%;
  max-width: 280px;
}

.modal-tag {
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 10px;
}

.modal-title {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  font-weight: 400;
  color: var(--black);
  margin-bottom: 8px;
  letter-spacing: -0.01em;
}

.modal-desc {
  font-size: 0.82rem;
  color: var(--mid);
  margin-bottom: 18px;
  line-height: 1.5;
}

.modal-form {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.modal-form input {
  padding: 10px 14px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-family: var(--font-sans);
  color: var(--dark);
  background: var(--bg);
  outline: none;
  transition: border-color 0.2s ease;
}

.modal-form input.typing {
  border-color: var(--accent);
  color: var(--dark);
}

.modal-btn {
  padding: 10px 14px;
  background: var(--black);
  color: var(--white);
  border: none;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 500;
  font-family: var(--font-sans);
  cursor: default;
  transition: background 0.2s ease, transform 0.1s ease;
}

.modal-btn.pressing {
  background: #333;
  transform: scale(0.97);
}

/* success state — modal fades to green check */
.demo-right.success .email-modal {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.unlock-success {
  display: none;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

.demo-right.success .modal-form,
.demo-right.success .modal-desc,
.demo-right.success .modal-note,
.demo-right.success .modal-tag,
.demo-right.success .modal-title {
  display: none;
}

.demo-right.success .unlock-success {
  display: flex;
}

.unlock-success-icon {
  width: 44px;
  height: 44px;
  background: #dcfce7;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #16a34a;
}

.unlock-success p {
  font-size: 0.85rem;
  color: var(--mid);
  line-height: 1.5;
}

.modal-note {
  font-size: 0.7rem;
  color: var(--light);
  margin-top: 10px;
  text-align: center;
}

/* ─── Social Proof Bar ─── */
.proof-bar {
  background: var(--bg);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 28px 0;
}

.proof-items {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  flex-wrap: wrap;
}

.proof-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding: 8px 36px;
}

.proof-divider {
  width: 1px;
  height: 32px;
  background: var(--border);
}

.proof-num {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  color: var(--black);
  letter-spacing: -0.01em;
}

.proof-label {
  font-size: 0.75rem;
  color: var(--light);
}

/* ─── Problem ─── */
.problem {
  padding: 100px 0;
  background: var(--white);
}

.problem-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

.problem-left h2 {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 400;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--black);
  position: sticky;
  top: 80px;
}

.problem-right {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.problem-right p {
  font-size: 1rem;
  color: var(--mid);
  line-height: 1.7;
}

/* ─── How It Works ─── */
.how-it-works {
  padding: 100px 0;
  background: var(--bg);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.steps {
  display: flex;
  flex-direction: column;
  gap: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--white);
}

.step {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 0;
  border-bottom: 1px solid var(--border);
  transition: background 0.15s;
}

.step:last-child { border-bottom: none; }
.step:hover { background: #fafafa; }

.step-num {
  font-family: var(--font-serif);
  font-size: 2rem;
  color: var(--border);
  padding: 36px 24px;
  border-right: 1px solid var(--border);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: 38px;
  font-weight: 400;
}

.step-content {
  padding: 36px 40px;
}

.step-content h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--black);
  margin-bottom: 10px;
}

.step-content p {
  font-size: 0.93rem;
  color: var(--mid);
  line-height: 1.65;
}

/* ─── Features ─── */
.features {
  padding: 100px 0;
  background: var(--white);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.feature-card {
  background: var(--white);
  padding: 36px 32px;
  transition: background 0.15s;
}

.feature-card:hover { background: var(--bg); }

.feature-icon {
  width: 40px;
  height: 40px;
  background: var(--bg);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--dark);
  margin-bottom: 18px;
  border: 1px solid var(--border);
}

.feature-card h3 {
  font-size: 0.93rem;
  font-weight: 600;
  color: var(--black);
  margin-bottom: 10px;
  line-height: 1.4;
}

.feature-card p {
  font-size: 0.85rem;
  color: var(--mid);
  line-height: 1.65;
}

/* ─── Use Cases ─── */
.use-cases {
  padding: 100px 0;
  background: var(--bg);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.use-case-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.use-case-card {
  background: var(--bg);
  padding: 40px 36px;
  position: relative;
  transition: background 0.15s;
}

.use-case-card:hover { background: #f0f0ec; }

.use-case-num {
  font-family: var(--font-serif);
  font-size: 0.85rem;
  color: var(--light);
  margin-bottom: 16px;
  font-weight: 400;
}

.use-case-card h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--black);
  margin-bottom: 10px;
}

.use-case-card p {
  font-size: 0.88rem;
  color: var(--mid);
  line-height: 1.65;
}

/* ─── Comparison ─── */
.comparison {
  padding: 100px 0;
  background: var(--white);
}

.comparison-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.comparison-card {
  padding: 32px 28px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--white);
  transition: border-color 0.15s, transform 0.15s;
}

.comparison-card:hover {
  border-color: #ccc;
  transform: translateY(-2px);
}

.comparison-card h3 {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--black);
  margin-bottom: 4px;
}

.comparison-sub {
  font-size: 0.75rem;
  color: var(--light);
  margin-bottom: 16px;
}

.comparison-card > p:last-child {
  font-size: 0.87rem;
  color: var(--mid);
  line-height: 1.65;
}

/* ─── Pricing ─── */
.pricing {
  padding: 100px 0;
  background: var(--bg);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.pricing-intro {
  max-width: 520px;
  font-size: 0.95rem;
  color: var(--mid);
  line-height: 1.6;
  margin-top: -28px;
  margin-bottom: 40px;
}

.pricing-toggle {
  display: inline-flex;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 4px;
  margin-bottom: 40px;
  gap: 2px;
}

.toggle-btn {
  padding: 8px 20px;
  border: none;
  background: transparent;
  border-radius: 6px;
  font-size: 0.85rem;
  font-family: var(--font-sans);
  color: var(--mid);
  cursor: pointer;
  transition: all 0.15s;
  display: flex;
  align-items: center;
  gap: 6px;
}

.toggle-btn.active {
  background: var(--black);
  color: var(--white);
}

.save-badge {
  font-size: 0.68rem;
  background: #dcfce7;
  color: #15803d;
  padding: 2px 7px;
  border-radius: 100px;
  font-weight: 500;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 24px;
  align-items: stretch;
}

.plan-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: border-color 0.15s;
}

.plan-card:hover { border-color: #bbb; }

.plan-featured {
  background: var(--featured-bg);
  border-color: var(--featured-bg);
}

.plan-featured .plan-name { color: rgba(255,255,255,0.6); }
.plan-featured .price-amount { color: var(--white); }
.plan-featured .price-period { color: rgba(255,255,255,0.5); }

.plan-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: var(--white) !important;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 4px 12px;
  border-radius: 100px;
  white-space: nowrap;
}

.plan-name {
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--mid);
  margin-bottom: 6px;
}

.plan-price {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin-bottom: 4px;
}

.price-amount {
  font-size: 1.9rem;
  font-weight: 700;
  color: var(--black);
  letter-spacing: -0.02em;
  font-family: var(--font-sans);
}

.price-period {
  font-size: 0.85rem;
  color: var(--mid);
  font-weight: 400;
}

.plan-annual-note {
  font-size: 0.78rem;
  color: #16a34a;
  min-height: 1.2em;
  margin-bottom: 20px;
}

.plan-featured .plan-annual-note { color: #4ade80; }

.plan-features-label {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--dark);
  margin-bottom: 10px;
}

.plan-featured .plan-features-label { color: rgba(255,255,255,0.6); }

.plan-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
  margin-bottom: 24px;
}

.plan-features li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.83rem;
  color: var(--mid);
  line-height: 1.4;
}

.plan-features li svg {
  flex-shrink: 0;
  color: var(--dark);
}

.plan-featured .plan-features li { color: rgba(255,255,255,0.7); }
.plan-featured .plan-features li svg { color: rgba(255,255,255,0.5); }

.plan-card .btn {
  width: 100%;
  padding: 11px;
  margin-top: auto;
}

.plan-featured .btn-primary {
  background: var(--white);
  color: var(--black) !important;
}

.plan-featured .btn-primary:hover { background: #eeeeee; }

.pricing-note {
  font-size: 0.78rem;
  color: var(--light);
  text-align: center;
}

/* ─── FAQ ─── */
.faq {
  padding: 100px 0;
  background: var(--white);
}

.faq-list {
  max-width: 680px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

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

.faq-item:last-child { border-bottom: none; }

.faq-item summary {
  padding: 22px 28px;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--dark);
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: background 0.12s;
}

.faq-item summary:hover { background: var(--bg); }

.faq-item summary::after {
  content: "+";
  font-size: 1.2rem;
  color: var(--light);
  font-weight: 300;
  transition: transform 0.2s;
  flex-shrink: 0;
  margin-left: 16px;
}

.faq-item[open] summary::after {
  content: "−";
}

.faq-item p {
  padding: 0 28px 22px;
  font-size: 0.9rem;
  color: var(--mid);
  line-height: 1.7;
}

/* ─── Final CTA ─── */
.final-cta {
  padding: 120px 0;
  text-align: center;
  background: var(--black);
  color: var(--white);
}

.cta-headline {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 400;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--white);
  margin-bottom: 24px;
}

.cta-body {
  max-width: 520px;
  margin: 0 auto 40px;
  font-size: 1rem;
  color: rgba(255,255,255,0.55);
  line-height: 1.65;
}

.final-cta .btn-primary {
  background: var(--white);
  color: var(--black);
  padding: 16px 40px;
  font-size: 1rem;
  border-radius: var(--radius);
}

.final-cta .btn-primary:hover { background: #f0f0f0; }

.final-cta .trust-line {
  margin-top: 18px;
  color: rgba(255,255,255,0.35);
}

/* ─── Footer ─── */
.footer {
  background: var(--black);
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 24px 0;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-logo {
  font-family: var(--font-serif);
  font-size: 1rem;
  color: rgba(255,255,255,0.4);
}

.footer-links {
  display: flex;
  gap: 28px;
  flex-wrap: wrap;
}

.footer-links a {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.35);
  text-decoration: none;
  transition: color 0.12s;
}

.footer-links a:hover { color: rgba(255,255,255,0.65); }

/* ─── Responsive ─── */
@media (max-width: 900px) {
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .pricing-grid { grid-template-columns: repeat(2, 1fr); }
  .comparison-grid { grid-template-columns: 1fr; }
}

@media (max-width: 700px) {
  .hero { padding: 90px 0 0; }

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

  .problem-left h2 { position: static; }

  .use-case-grid { grid-template-columns: 1fr; }

  .product-demo {
    grid-template-columns: 1fr;
    grid-template-rows: 200px auto;
  }

  .demo-left {
    display: block;
    height: 200px;
  }

  .product-photo { min-height: 200px; }

  .demo-right { padding: 28px 24px; }
}

@media (max-width: 600px) {
  .nav-links { display: none; }
  .nav-pill { padding: 8px 8px 8px 16px; }

  .feature-grid { grid-template-columns: 1fr; }
  .pricing-grid { grid-template-columns: 1fr; }

  .proof-items { gap: 0; }
  .proof-item { padding: 8px 20px; }
  .proof-divider { display: none; }

  .step { grid-template-columns: 56px 1fr; }
  .step-num { padding: 24px 12px; font-size: 1.4rem; }
  .step-content { padding: 24px 20px; }
}