/* --------------------------------------------------------------------------
   Fonts & design tokens (from src/index.css + tailwind theme)
   -------------------------------------------------------------------------- */
@import url("https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,400;0,9..40,500;0,9..40,600;0,9..40,700;1,9..40,400&family=DM+Serif+Display&display=swap");

:root {
  /* App-aligned: white UI, near-black type, logo navy #050510, calendar green #4CAF50 */
  --background: 0 0% 100%;
  --foreground: 0 0% 9%;
  --primary: 240 52% 4%;
  --primary-foreground: 0 0% 100%;
  --muted-foreground: 0 0% 46%;
  --accent: 122 39% 49%;
  --accent-foreground: 0 0% 100%;
  --border: 0 0% 88%;
  --radius: 0.75rem;
  --surface-warm: 240 6% 96%;
  --bezel: 240 52% 4%;
  --font-sans: "DM Sans", system-ui, sans-serif;
  --font-display: "DM Serif Display", Georgia, serif;
}

/* --------------------------------------------------------------------------
   Base
   -------------------------------------------------------------------------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  border-color: hsl(var(--border));
}

html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  margin: 0;
  min-height: 100vh;
  background: hsl(var(--background));
  color: hsl(var(--foreground));
  font-family: var(--font-sans);
}

h1,
h2,
h3 {
  font-family: var(--font-display);
  text-wrap: balance;
}

p {
  text-wrap: pretty;
  overflow-wrap: break-word;
}

img {
  max-width: 100%;
  height: auto;
  vertical-align: middle;
}

a {
  color: inherit;
}

/* --------------------------------------------------------------------------
   Layout utilities
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: 1400px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 2rem;
  padding-right: 2rem;
}

.section-padding {
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

@media (min-width: 768px) {
  .section-padding {
    padding-left: 2rem;
    padding-right: 2rem;
  }
}

@media (min-width: 1024px) {
  .section-padding {
    padding-left: 3rem;
    padding-right: 3rem;
  }
}

.surface-warm {
  background-color: hsl(var(--surface-warm));
}

/* --------------------------------------------------------------------------
   Shared components
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  border: none;
  cursor: pointer;
  text-decoration: none;
  font: inherit;
}

.btn--primary {
  background: hsl(var(--primary));
  color: hsl(var(--primary-foreground));
  padding: 1rem 1.75rem;
  border-radius: 1rem;
  font-weight: 500;
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.btn--primary:hover {
  box-shadow: 0 10px 15px -3px hsl(var(--primary) / 0.15), 0 4px 6px -4px hsl(var(--primary) / 0.15);
}

.btn--primary:active {
  transform: scale(0.97);
}

.btn__icon {
  width: 1.25rem;
  height: 1.25rem;
  flex-shrink: 0;
}

/* --------------------------------------------------------------------------
   Hero
   -------------------------------------------------------------------------- */
.hero {
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero__inner {
  padding-top: 5rem;
  padding-bottom: 5rem;
}

@media (min-width: 1024px) {
  .hero__inner {
    padding-top: 8rem;
    padding-bottom: 8rem;
  }
}

.hero__grid {
  display: grid;
  gap: 3rem;
  align-items: center;
}

@media (min-width: 1024px) {
  .hero__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 4rem;
  }
}

.hero__text {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.hero__brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.hero__logo {
  width: 3rem;
  height: 3rem;
  border-radius: 1rem;
}

.hero__tagline {
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: hsl(var(--muted-foreground));
}

.hero__title {
  margin: 0;
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  line-height: 1.05;
  letter-spacing: -0.025em;
}

.hero__lead {
  margin: 0;
  font-size: clamp(1.0625rem, 2vw, 1.25rem);
  color: hsl(var(--muted-foreground));
  max-width: 32rem;
  line-height: 1.625;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.hero__phones {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: flex-end;
  gap: 1.25rem;
}

@media (min-width: 1024px) {
  .hero__phones {
    justify-content: flex-end;
  }
}

/* Phone frame (from PhoneFrame.tsx) */
.phone-frame {
  position: relative;
  width: 11rem;
}

@media (min-width: 768px) {
  .phone-frame {
    width: 13rem;
  }
}

@media (min-width: 1024px) {
  .phone-frame {
    width: 15rem;
  }
}

.phone-frame--offset {
  margin-bottom: -2rem;
}

.phone-frame__shell {
  position: relative;
  background: hsl(var(--bezel));
  border-radius: 2rem;
  padding: 10px;
  box-shadow: 0 25px 50px -12px hsl(var(--bezel) / 0.25);
}

.phone-frame__notch {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 35%;
  height: 22px;
  background: hsl(var(--bezel));
  border-bottom-left-radius: 0.75rem;
  border-bottom-right-radius: 0.75rem;
  z-index: 10;
}

.phone-frame__screen {
  position: relative;
  border-radius: 1.4rem;
  overflow: hidden;
  background: hsl(var(--background));
}

.phone-frame__img {
  display: block;
  width: 100%;
}

/* Hero entrance */
@keyframes fade-up {
  from {
    opacity: 0;
    transform: translateY(20px);
    filter: blur(4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
    filter: blur(0);
  }
}

.animate-fade-up {
  opacity: 0;
  animation: fade-up 0.7s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.animate-fade-up--delay-0 {
  animation-delay: 0ms;
}
.animate-fade-up--delay-80 {
  animation-delay: 80ms;
}
.animate-fade-up--delay-160 {
  animation-delay: 160ms;
}
.animate-fade-up--delay-240 {
  animation-delay: 240ms;
}
.animate-fade-up--delay-300 {
  animation-delay: 300ms;
}

/* --------------------------------------------------------------------------
   Features
   -------------------------------------------------------------------------- */
.features {
  padding-top: 6rem;
  padding-bottom: 6rem;
}

@media (min-width: 1024px) {
  .features {
    padding-top: 9rem;
    padding-bottom: 9rem;
  }
}

.features__intro {
  max-width: 42rem;
  margin-bottom: 4rem;
}

.features__intro h2 {
  margin: 0 0 1rem;
  font-size: clamp(1.875rem, 4vw, 3rem);
  line-height: 1.1;
  letter-spacing: -0.025em;
}

.features__sub {
  margin: 0;
  font-size: 1.125rem;
  color: hsl(var(--muted-foreground));
}

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

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

@media (min-width: 1024px) {
  .features__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.feature-card {
  background: hsl(var(--background));
  border-radius: 1rem;
  padding: 1.75rem;
  transition: opacity 0.7s ease, transform 0.7s ease, filter 0.7s ease, box-shadow 0.2s ease;
}

.feature-card:hover {
  box-shadow: 0 10px 15px -3px hsl(var(--foreground) / 0.05), 0 4px 6px -4px hsl(var(--foreground) / 0.05);
}

.feature-card__icon {
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 0.75rem;
  background: hsl(var(--accent) / 0.1);
  color: hsl(var(--accent));
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  transition: transform 0.2s ease;
}

.feature-card__icon svg {
  width: 1.25rem;
  height: 1.25rem;
}

.feature-card:hover .feature-card__icon {
  transform: scale(1.05);
}

.feature-card__title {
  margin: 0 0 0.5rem;
  font-family: var(--font-sans);
  font-size: 1.125rem;
  font-weight: 600;
}

.feature-card__desc {
  margin: 0;
  font-size: 0.95rem;
  color: hsl(var(--muted-foreground));
  line-height: 1.625;
}

/* Scroll reveal (from FeaturesSection / NewsletterSection) */
.reveal {
  opacity: 0;
  transform: translateY(1.25rem);
  filter: blur(4px);
  transition: opacity 0.7s ease, transform 0.7s ease, filter 0.7s ease;
}

.reveal--sub {
  transition-delay: 0ms;
}

#features.is-visible .reveal--title,
#features.is-visible .reveal--sub {
  opacity: 1;
  transform: translateY(0);
  filter: blur(0);
}

#features.is-visible .reveal--sub {
  transition-delay: 100ms;
}

#features.is-visible .feature-card {
  opacity: 1;
  transform: translateY(0);
  filter: blur(0);
}

#features.is-visible .feature-card[data-stagger="0"] {
  transition-delay: 180ms;
}
#features.is-visible .feature-card[data-stagger="1"] {
  transition-delay: 260ms;
}
#features.is-visible .feature-card[data-stagger="2"] {
  transition-delay: 340ms;
}
#features.is-visible .feature-card[data-stagger="3"] {
  transition-delay: 420ms;
}
#features.is-visible .feature-card[data-stagger="4"] {
  transition-delay: 500ms;
}

/* --------------------------------------------------------------------------
   Newsletter
   -------------------------------------------------------------------------- */
.newsletter {
  padding-top: 6rem;
  padding-bottom: 6rem;
}

@media (min-width: 1024px) {
  .newsletter {
    padding-top: 9rem;
    padding-bottom: 9rem;
  }
}

.newsletter__inner {
  max-width: 36rem;
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.newsletter__title {
  margin: 0 0 1rem;
  font-size: clamp(1.875rem, 3vw, 2.25rem);
  line-height: 1.1;
  letter-spacing: -0.025em;
}

.newsletter__lead {
  margin: 0 0 2.5rem;
  font-size: 1.125rem;
  color: hsl(var(--muted-foreground));
}

.newsletter__form {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  max-width: 28rem;
  margin-left: auto;
  margin-right: auto;
}

@media (min-width: 640px) {
  .newsletter__form {
    flex-direction: row;
    align-items: stretch;
  }
}

.newsletter__input {
  flex: 1;
  padding: 0.875rem 1.25rem;
  border-radius: 0.75rem;
  border: 1px solid hsl(var(--border));
  background: hsl(var(--background));
  color: hsl(var(--foreground));
  font: inherit;
  transition: box-shadow 0.2s ease;
}

.newsletter__input::placeholder {
  color: hsl(var(--muted-foreground));
}

.newsletter__input:focus {
  outline: none;
  box-shadow: 0 0 0 2px hsl(var(--accent) / 0.4);
}

.newsletter__honeypot {
  position: absolute;
  left: -5000px;
}

.newsletter__submit {
  white-space: nowrap;
  padding: 0.875rem 1.75rem;
  border-radius: 0.75rem;
}

#newsletter.is-visible .newsletter__inner.reveal {
  opacity: 1;
  transform: translateY(0);
  filter: blur(0);
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.site-footer {
  border-top: 1px solid hsl(var(--border));
  padding-top: 3rem;
  padding-bottom: 3rem;
}

.site-footer__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

@media (min-width: 640px) {
  .site-footer__inner {
    flex-direction: row;
  }
}

.site-footer__brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.site-footer__logo {
  width: 2rem;
  height: 2rem;
  border-radius: 0.5rem;
}

.site-footer__name {
  font-family: var(--font-display);
  font-size: 1.125rem;
}

.site-footer__nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.site-footer__link {
  font-size: 0.875rem;
  color: hsl(var(--muted-foreground));
  text-decoration: none;
  transition: color 0.2s ease;
}

.site-footer__link:hover {
  color: hsl(var(--foreground));
}

.site-footer__copy {
  margin: 0;
  font-size: 0.875rem;
  color: hsl(var(--muted-foreground));
}