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

:root {
  --color-primary: #111827;
  --color-secondary: #2563EB;
  --color-bg: #F8FAFC;
  --color-surface: #FFFFFF;
  --color-text: #0F172A;
  --color-muted: #475569;
  --color-accent: #22C55E;
  --color-border: #E2E8F0;
  --shadow-sm: 0 10px 30px rgba(15, 23, 42, 0.08);
  --shadow-md: 0 18px 45px rgba(15, 23, 42, 0.12);
  --radius-lg: 18px;
  --radius-md: 12px;
  --max-width: 1120px;
}

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

body {
  font-family: 'Manrope', sans-serif;
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
}

img {
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font-family: inherit;
}

h1, h2, h3, h4 {
  font-family: 'Space Grotesk', sans-serif;
  color: var(--color-primary);
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(2.2rem, 4vw, 3.2rem);
  line-height: 1.1;
}

h2 {
  font-size: clamp(1.6rem, 2.5vw, 2.3rem);
}

h3 {
  font-size: 1.25rem;
}

p {
  color: var(--color-muted);
}

.container {
  width: min(var(--max-width), 100% - 2rem);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(248, 250, 252, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.7rem 0;
}

.logo {
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: 0.03em;
  color: var(--color-primary);
}

.main-nav {
  display: none;
  gap: 1.5rem;
  white-space: nowrap;
}

.nav-link {
  font-weight: 600;
  color: var(--color-text);
}

.nav-link.is-active {
  color: var(--color-secondary);
}

.nav-toggle {
  display: inline-flex;
  flex-direction: column;
  gap: 4px;
  border-radius: 10px;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  padding: 0.5rem 0.6rem;
}

.nav-toggle span {
  width: 22px;
  height: 2px;
  background: var(--color-primary);
  display: block;
}

.mobile-menu {
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transform: translateY(-8px);
  transition: max-height 0.3s ease, opacity 0.3s ease, transform 0.3s ease;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
}

.mobile-menu a {
  display: block;
  padding: 0.85rem 1rem;
  font-weight: 600;
  border-top: 1px solid #F1F5F9;
}

body.menu-open {
  overflow: hidden;
}

body.menu-open .mobile-menu {
  max-height: 360px;
  opacity: 1;
  transform: translateY(0);
}

.hero {
  padding: 3.5rem 0 4rem;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 15% 20%, rgba(37, 99, 235, 0.12), transparent 55%),
              radial-gradient(circle at 80% 10%, rgba(34, 197, 94, 0.12), transparent 50%);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  gap: 2.5rem;
  align-items: center;
}

.hero-content {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.eyebrow {
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  font-weight: 700;
  color: var(--color-secondary);
}

.lead {
  font-size: 1.05rem;
  color: var(--color-muted);
}

.button-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.4rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.btn-primary {
  background: var(--color-secondary);
  color: #FFFFFF;
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-outline {
  border-color: var(--color-secondary);
  color: var(--color-secondary);
  background: transparent;
}

.btn-outline:hover {
  background: rgba(37, 99, 235, 0.08);
}

.btn-ghost {
  border-color: var(--color-border);
  background: transparent;
  color: var(--color-text);
  padding: 0.6rem 1.2rem;
}

.btn-ghost:hover {
  background: rgba(15, 23, 42, 0.04);
}

.btn.is-saved {
  background: var(--color-accent);
  color: #0B1120;
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 1rem;
}

.metric-value {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
}

.metric-label {
  font-size: 0.9rem;
  color: var(--color-muted);
}

.section {
  padding: 3.5rem 0;
}

.section-header {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 2rem;
}

.grid {
  display: grid;
  gap: 1.5rem;
}

.cards-4 {
  grid-template-columns: 1fr;
}

.cards-3 {
  grid-template-columns: 1fr;
}

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.card-body {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.media {
  width: 100%;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border-radius: 16px;
  background: #E5E7EB;
}

.media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.page-hero {
  padding: 2.5rem 0 2rem;
  border-bottom: 1px solid var(--color-border);
  background: #FDFEFF;
}

.hero-slim {
  display: grid;
  gap: 1.5rem;
  align-items: center;
}

.search-panel {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  padding: 1rem;
  border: 1px solid var(--color-border);
}

.search-panel label {
  font-weight: 600;
  display: block;
  margin-bottom: 0.5rem;
  color: var(--color-text);
}

input, select, textarea {
  width: 100%;
  padding: 0.75rem 0.9rem;
  border-radius: 10px;
  border: 1px solid var(--color-border);
  background: #F8FAFC;
  font-size: 0.95rem;
  color: var(--color-text);
}

input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--color-secondary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.chip-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 2rem;
}

.chip {
  border: 1px solid var(--color-border);
  padding: 0.5rem 1rem;
  border-radius: 999px;
  background: #FFFFFF;
  font-weight: 600;
  cursor: pointer;
}

.chip.is-active {
  background: var(--color-secondary);
  color: #FFFFFF;
  border-color: transparent;
}

.list {
  display: grid;
  gap: 0.4rem;
  padding-left: 1rem;
}

.steps-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.steps-content.is-open {
  max-height: 220px;
}

.habit-card.is-hidden {
  display: none;
}

.table-scroll {
  overflow-x: auto;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
}

.habit-table {
  width: 100%;
  min-width: 680px;
  border-collapse: collapse;
}

.habit-table th,
.habit-table td {
  padding: 0.9rem;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.9rem;
}

.habit-table th {
  font-weight: 700;
  color: var(--color-primary);
}

.pill {
  display: inline-flex;
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  background: rgba(34, 197, 94, 0.15);
  color: #166534;
  font-weight: 600;
  font-size: 0.8rem;
}

.pill-muted {
  background: rgba(148, 163, 184, 0.2);
  color: #475569;
}

.cta-banner {
  padding: 3rem 0;
  background: var(--color-primary);
  color: #FFFFFF;
}

.cta-banner h2,
.cta-banner p {
  color: #FFFFFF;
}

.cta-inner {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  align-items: flex-start;
}

.site-footer {
  padding: 3rem 0 2rem;
  background: #050b1d;
  color: #E2E8F0;
}

.site-footer p {
  color: #CBD5F5;
}

.footer-grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

.footer-brand {
  max-width: 280px;
}

.footer-heading {
  font-size: 0.9rem;
  color: #F8FAFC;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.6rem;
}

.footer-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.footer-links a {
  color: #CBD5F5;
}

.footer-links a:hover {
  color: #FFFFFF;
}

.footer-contact {
  margin: 0;
  font-size: 0.95rem;
  color: #94a3b8;
}

.footer-socials {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: 0.5rem;
}

.footer-socials a {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: #CBD5F5;
}

.footer-socials a:hover {
  color: #93c5fd;
}

.footer-bottom {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(226, 232, 240, 0.2);
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  font-size: 0.85rem;
  color: #94a3b8;
}

@media (min-width: 600px) {
  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}

.footer-note {
  font-size: 0.85rem;
}

.habits-grid {
  grid-template-columns: 1fr;
}

.form-row {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.form-error {
  color: #B91C1C;
  font-size: 0.85rem;
}

.form-success {
  margin-top: 1rem;
  color: var(--color-accent);
  font-weight: 600;
}

.routine-layout {
  display: grid;
  gap: 2rem;
}

.routine-output {
  display: grid;
  gap: 1rem;
}

.routine-card {
  gap: 1.5rem;
}

.routine-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  font-weight: 600;
  color: var(--color-text);
}

.routine-meta span {
  background: rgba(37, 99, 235, 0.08);
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
}

.routine-columns {
  display: grid;
  gap: 1.5rem;
}

.schedule-list {
  display: grid;
  gap: 0.5rem;
  padding-left: 1rem;
}

.saved-routines {
  list-style: none;
  display: grid;
  gap: 0.75rem;
  color: var(--color-text);
}

.saved-routines li {
  padding: 0.85rem 1rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
}

.empty-state {
  padding: 2rem;
  border-radius: var(--radius-lg);
  border: 1px dashed var(--color-border);
  background: #F8FAFC;
  text-align: center;
}

.builder-hero {
  display: grid;
  gap: 2rem;
}

.builder-media {
  display: grid;
  gap: 1rem;
}

.split-layout {
  display: grid;
  gap: 2rem;
  align-items: center;
}

.split-layout.reverse {
  direction: rtl;
}

.split-layout.reverse > * {
  direction: ltr;
}

.contact-details {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  border: 1px solid var(--color-border);
}

.muted {
  color: var(--color-muted);
}

.disclaimer {
  font-size: 0.9rem;
  color: var(--color-muted);
  margin-top: 1rem;
}

.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (min-width: 640px) {
  .hero-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .cards-4 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .cards-3 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .habits-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .cta-inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }

  .routine-columns {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1024px) {
  .main-nav {
    display: flex;
  }

  .nav-toggle,
  .mobile-menu {
    display: none;
  }

  .cards-4 {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .cards-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .habits-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .routine-layout {
    grid-template-columns: 0.9fr 1.1fr;
    align-items: start;
  }

  .hero-slim {
    grid-template-columns: 1.1fr 0.9fr;
  }

  .builder-hero {
    grid-template-columns: 1.1fr 0.9fr;
    align-items: center;
  }

  .builder-media {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .split-layout {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1280px) {
  .hero {
    padding: 4.5rem 0 5rem;
  }

  .section {
    padding: 4.5rem 0;
  }
}