/* ============================================
   I'm OK — Brand Design System
   DM Serif Display + DM Sans
   Warm Sage + Coral + Sand palette
   ============================================ */

:root {
  /* Primary */
  --primary: #5B9A6F;
  --primary-light: #E8F0EB;
  --primary-dark: #3D6B4A;
  --primary-muted: #A3C4AD;

  /* Secondary */
  --secondary: #C4A882;
  --secondary-light: #F5EDE3;
  --secondary-dark: #8B7355;

  /* Accent */
  --accent: #E07A5F;
  --accent-light: #F5C5B8;

  /* Danger */
  --danger: #D64545;

  /* Neutrals */
  --bg: #FAFAF8;
  --surface: #FFFFFF;
  --text: #2D2D2D;
  --text-secondary: #5A5A5A;
  --text-tertiary: #8C8C8C;
  --separator: #E5E2DD;

  /* Spacing */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
  --space-3xl: 64px;
  --space-4xl: 96px;
  --space-5xl: 128px;

  /* Radius */
  --radius-sm: 10px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 9999px;
}

/* ---- Reset & Base ---- */

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 18px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: opacity 0.2s;
}

a:hover {
  opacity: 0.8;
}

/* ---- Typography ---- */

h1, h2, h3 {
  font-family: 'DM Serif Display', Georgia, serif;
  font-weight: 400;
  line-height: 1.15;
  color: var(--text);
}

h1 { font-size: 56px; }
h2 { font-size: 40px; }
h3 { font-size: 28px; }

p {
  color: var(--text-secondary);
  max-width: 600px;
}

.text-center { text-align: center; }
.text-tertiary { color: var(--text-tertiary); }

/* ---- Layout ---- */

.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.section {
  padding: var(--space-5xl) 0;
}

.section--alt {
  background: var(--secondary-light);
}

.section--dark {
  background: var(--primary-dark);
  color: white;
}

.section--dark h2,
.section--dark h3 {
  color: white;
}

.section--dark p {
  color: rgba(255,255,255,0.8);
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
}

/* ---- Navigation ---- */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(250, 250, 248, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--separator);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.nav__logo {
  font-family: 'DM Serif Display', serif;
  font-size: 24px;
  color: var(--text);
  letter-spacing: 1px;
}

.nav__logo .apostrophe {
  color: var(--accent);
  font-size: 28px;
}

.nav__links {
  display: flex;
  gap: var(--space-xl);
  align-items: center;
  list-style: none;
}

.nav__links a {
  font-size: 15px;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color 0.2s;
}

.nav__links a:hover {
  color: var(--text);
  opacity: 1;
}

.nav__cta {
  background: var(--primary);
  color: white !important;
  padding: 10px 24px;
  border-radius: var(--radius-full);
  font-weight: 600 !important;
  font-size: 14px !important;
  transition: background 0.2s !important;
}

.nav__cta:hover {
  background: var(--primary-dark) !important;
  opacity: 1 !important;
}

/* Mobile menu */
.nav__toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.nav__toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  margin: 6px 0;
  transition: 0.3s;
}

/* ---- Hero ---- */

.hero {
  padding-top: 160px;
  padding-bottom: var(--space-5xl);
  text-align: center;
}

.hero h1 {
  margin-bottom: var(--space-lg);
}

.hero p {
  font-size: 22px;
  margin: 0 auto var(--space-2xl);
  max-width: 560px;
  line-height: 1.5;
}

.hero__badge {
  display: inline-block;
  background: var(--primary-light);
  color: var(--primary-dark);
  padding: 6px 20px;
  border-radius: var(--radius-full);
  font-size: 14px;
  font-weight: 600;
  margin-bottom: var(--space-xl);
  letter-spacing: 0.5px;
}

/* ---- Buttons ---- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 16px 36px;
  border-radius: var(--radius-md);
  font-family: 'DM Sans', sans-serif;
  font-size: 18px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
  min-height: 56px;
}

.btn--primary {
  background: var(--primary);
  color: white;
}

.btn--primary:hover {
  background: var(--primary-dark);
  opacity: 1;
}

.btn--accent {
  background: var(--accent);
  color: white;
}

.btn--accent:hover {
  background: #c9674f;
  opacity: 1;
}

.btn--outline {
  background: transparent;
  color: var(--text);
  border: 1.5px solid var(--separator);
}

.btn--outline:hover {
  border-color: var(--text-tertiary);
  opacity: 1;
}

.btn--dark {
  background: var(--text);
  color: white;
}

.btn--dark:hover {
  background: #1a1a1a;
  opacity: 1;
}

.btn--large {
  padding: 20px 48px;
  font-size: 20px;
  border-radius: var(--radius-lg);
}

.btn--store {
  background: var(--text);
  color: white;
  padding: 14px 28px;
  border-radius: var(--radius-md);
  gap: 12px;
  min-height: 60px;
}

.btn--store:hover {
  background: #1a1a1a;
  opacity: 1;
}

.btn--store .store-icon {
  font-size: 28px;
  line-height: 1;
}

.btn--store .store-text {
  text-align: left;
  line-height: 1.2;
}

.btn--store .store-text small {
  font-size: 11px;
  font-weight: 400;
  opacity: 0.8;
  display: block;
}

.btn--store .store-text strong {
  font-size: 17px;
  font-weight: 600;
}

.btn-group {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  flex-wrap: wrap;
}

/* ---- Phone Mockup ---- */

.phone-mockup {
  width: 300px;
  height: 620px;
  background: var(--surface);
  border-radius: 40px;
  border: 6px solid #2D2D2D;
  padding: 16px;
  position: relative;
  margin: 0 auto;
  box-shadow:
    0 20px 60px rgba(0,0,0,0.12),
    0 8px 20px rgba(0,0,0,0.08);
  overflow: hidden;
}

.phone-mockup::before {
  content: '';
  position: absolute;
  top: 8px;
  left: 50%;
  transform: translateX(-50%);
  width: 100px;
  height: 28px;
  background: #2D2D2D;
  border-radius: 20px;
  z-index: 2;
}

.phone-screen {
  width: 100%;
  height: 100%;
  background: var(--bg);
  border-radius: 28px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

/* Home screen mockup */
.mock-home {
  padding: 52px 24px 20px;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.mock-home__greeting {
  font-family: 'DM Sans', sans-serif;
  font-size: 18px;
  font-weight: 500;
  color: var(--text);
  margin-bottom: 4px;
}

.mock-home__status {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 16px;
}

.mock-home__dot {
  width: 8px;
  height: 8px;
  border-radius: 4px;
  background: var(--primary);
}

.mock-home__status-text {
  font-size: 13px;
  color: var(--text-tertiary);
  font-weight: 500;
}

.mock-home__center {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

.mock-home__btn {
  width: 180px;
  height: 180px;
  border-radius: 90px;
  background: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid rgba(255,255,255,0.3);
  box-shadow: 0 4px 16px rgba(91,154,111,0.3);
}

.mock-home__btn-text {
  color: white;
  font-family: 'DM Sans', sans-serif;
  font-size: 22px;
  font-weight: 600;
  text-align: center;
  line-height: 1.2;
}

.mock-home__info {
  background: var(--surface);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  margin-bottom: 12px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.04);
}

.mock-home__info-row {
  display: flex;
  justify-content: space-between;
  padding: 4px 0;
}

.mock-home__info-label {
  font-size: 12px;
  color: var(--text-tertiary);
}

.mock-home__info-value {
  font-size: 12px;
  color: var(--text);
  font-weight: 600;
}

.mock-home__sos {
  background: var(--danger);
  border-radius: var(--radius-md);
  padding: 12px;
  text-align: center;
  color: white;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 3px;
}

.mock-home__tabbar {
  display: flex;
  justify-content: space-around;
  padding: 10px 0 4px;
  border-top: 1px solid var(--separator);
  margin-top: 12px;
}

.mock-home__tab {
  text-align: center;
  font-size: 9px;
  color: var(--text-tertiary);
  font-weight: 500;
}

.mock-home__tab--active {
  color: var(--primary);
}

.mock-home__tab-icon {
  font-size: 16px;
  margin-bottom: 2px;
  display: block;
}

/* ---- Features / How it Works ---- */

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-2xl);
  margin-top: var(--space-3xl);
}

.step {
  text-align: center;
}

.step__number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--primary-light);
  color: var(--primary-dark);
  font-family: 'DM Serif Display', serif;
  font-size: 24px;
  margin-bottom: var(--space-lg);
}

.step h3 {
  margin-bottom: var(--space-sm);
  font-size: 22px;
}

.step p {
  font-size: 16px;
  margin: 0 auto;
  max-width: 300px;
}

/* ---- Feature Cards ---- */

.feature-card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  box-shadow: 0 1px 3px rgba(0,0,0,0.04);
  transition: box-shadow 0.3s;
}

.feature-card:hover {
  box-shadow: 0 4px 16px rgba(0,0,0,0.08);
}

.feature-card__icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin-bottom: var(--space-md);
}

.feature-card h3 {
  font-size: 20px;
  margin-bottom: var(--space-sm);
}

.feature-card p {
  font-size: 16px;
  line-height: 1.5;
}

/* ---- Stats ---- */

.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
  text-align: center;
}

.stat__number {
  font-family: 'DM Serif Display', serif;
  font-size: 48px;
  color: var(--primary);
  margin-bottom: var(--space-xs);
}

.stat__label {
  font-size: 16px;
  color: var(--text-secondary);
}

/* ---- Audience Cards ---- */

.audience-card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: var(--space-xl) var(--space-lg);
  text-align: center;
  border: 1px solid var(--separator);
  transition: border-color 0.3s, box-shadow 0.3s;
}

.audience-card:hover {
  border-color: var(--primary-muted);
  box-shadow: 0 4px 16px rgba(91,154,111,0.1);
}

.audience-card__emoji {
  font-size: 40px;
  margin-bottom: var(--space-md);
  display: block;
}

.audience-card h3 {
  font-size: 20px;
  margin-bottom: var(--space-sm);
}

.audience-card p {
  font-size: 15px;
  margin: 0 auto;
  max-width: 260px;
}

/* ---- Form ---- */

.form-section {
  max-width: 520px;
  margin: 0 auto;
}

.form-section h2 {
  text-align: center;
  margin-bottom: var(--space-sm);
}

.form-section > p {
  text-align: center;
  margin: 0 auto var(--space-xl);
}

.form {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.form__field {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.form__label {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
}

.form__input,
.form__select {
  font-family: 'DM Sans', sans-serif;
  font-size: 17px;
  color: var(--text);
  padding: 14px 16px;
  border: 1.5px solid var(--separator);
  border-radius: var(--radius-sm);
  background: var(--surface);
  transition: border-color 0.2s;
  min-height: 52px;
  width: 100%;
  appearance: none;
  -webkit-appearance: none;
}

.form__input:focus,
.form__select:focus {
  outline: none;
  border-color: var(--primary);
}

.form__input::placeholder {
  color: var(--text-tertiary);
}

.form__select {
  background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%238C8C8C' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 40px;
}

.form__submit {
  margin-top: var(--space-sm);
}

.form__hint {
  text-align: center;
  font-size: 14px;
  color: var(--text-tertiary);
  margin-top: var(--space-sm);
}

.form__success {
  display: none;
  text-align: center;
  padding: var(--space-xl);
  background: var(--primary-light);
  border-radius: var(--radius-md);
}

.form__success h3 {
  color: var(--primary-dark);
  margin-bottom: var(--space-sm);
}

.form__success p {
  margin: 0 auto;
  color: var(--primary-dark);
}

/* ---- Testimonial / Quote ---- */

.quote {
  max-width: 640px;
  margin: 0 auto;
  text-align: center;
}

.quote blockquote {
  font-family: 'DM Serif Display', serif;
  font-size: 28px;
  line-height: 1.4;
  color: var(--text);
  margin-bottom: var(--space-lg);
}

.quote cite {
  font-style: normal;
  font-size: 16px;
  color: var(--text-tertiary);
}

/* ---- Footer ---- */

.footer {
  padding: var(--space-3xl) 0 var(--space-xl);
  border-top: 1px solid var(--separator);
}

.footer__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-lg);
}

.footer__logo {
  font-family: 'DM Serif Display', serif;
  font-size: 20px;
  color: var(--text);
}

.footer__logo .apostrophe {
  color: var(--accent);
}

.footer__links {
  display: flex;
  gap: var(--space-lg);
  list-style: none;
}

.footer__links a {
  font-size: 14px;
  color: var(--text-tertiary);
}

.footer__links a:hover {
  color: var(--text);
}

.footer__bottom {
  text-align: center;
  margin-top: var(--space-xl);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--separator);
  font-size: 14px;
  color: var(--text-tertiary);
}

/* ---- LP specific ---- */

.hero--lp {
  padding-bottom: var(--space-3xl);
}

.hero--lp h1 {
  font-size: 48px;
  max-width: 700px;
  margin: 0 auto var(--space-lg);
}

.pain-point {
  display: flex;
  align-items: flex-start;
  gap: var(--space-lg);
  padding: var(--space-lg) 0;
  border-bottom: 1px solid var(--separator);
}

.pain-point:last-child {
  border-bottom: none;
}

.pain-point__icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--accent-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
}

.pain-point h3 {
  font-size: 20px;
  margin-bottom: var(--space-xs);
}

.pain-point p {
  font-size: 16px;
}

/* ---- Pulse animation ---- */

@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.05); opacity: 0.9; }
}

.pulse {
  animation: pulse 3s ease-in-out infinite;
}

/* ---- Responsive ---- */

@media (max-width: 768px) {
  body { font-size: 16px; }

  h1 { font-size: 36px; }
  h2 { font-size: 28px; }
  h3 { font-size: 22px; }

  .hero { padding-top: 120px; }
  .hero p { font-size: 18px; }
  .hero--lp h1 { font-size: 32px; }

  .section { padding: var(--space-3xl) 0; }

  .grid-2 { grid-template-columns: 1fr; gap: var(--space-2xl); }
  .grid-3 { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: 1fr 1fr; }
  .steps { grid-template-columns: 1fr; gap: var(--space-xl); }
  .stats { grid-template-columns: 1fr; gap: var(--space-xl); }

  .grid-2--reverse-mobile > :first-child { order: 2; }
  .grid-2--reverse-mobile > :last-child { order: 1; }

  .phone-mockup {
    width: 260px;
    height: 540px;
    border-width: 5px;
    border-radius: 36px;
  }

  .phone-mockup::before {
    width: 80px;
    height: 24px;
  }

  .mock-home__btn {
    width: 150px;
    height: 150px;
    border-radius: 75px;
  }

  .mock-home__btn-text { font-size: 18px; }

  .nav__links { display: none; }
  .nav__toggle { display: block; }

  .nav__links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--bg);
    padding: var(--space-lg);
    border-bottom: 1px solid var(--separator);
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
  }

  .footer__inner {
    flex-direction: column;
    text-align: center;
  }

  .stat__number { font-size: 36px; }
}

@media (max-width: 480px) {
  .grid-4 { grid-template-columns: 1fr; }
  .btn-group { flex-direction: column; align-items: stretch; }
  .btn--store { justify-content: center; }
}