/* ==========================================================
   FARMASI GLOBAL SPA — Design System
   Palette: Primary #ff5a68, Secondary #fbb1b5, BG #f8f6f4
   Fonts: Anton (headings), Roboto (body)
   ========================================================== */

/* --- CSS Custom Properties (Tokens) --- */
:root {
  --color-primary: #ff5a68;
  --color-primary-dark: #e04450;
  --color-secondary: #fbb1b5;
  --color-secondary-light: rgba(251, 177, 181, 0.15);
  --color-bg: #f8f6f4;
  --color-surface: #ffffff;
  --color-text: #2d2d2d;
  --color-text-muted: #6b6b6b;
  --color-text-light: #999999;
  --color-success: #28a745;
  --color-whatsapp: #25D366;

  --font-heading: 'Anton', sans-serif;
  --font-body: 'Roboto', sans-serif;

  --radius-card: 16px;
  --radius-btn: 12px;
  --radius-input: 10px;
  --radius-pill: 50px;

  --shadow-card: 0 8px 32px rgba(251, 177, 181, 0.25);
  --shadow-card-hover: 0 12px 40px rgba(251, 177, 181, 0.35);
  --shadow-btn: 0 4px 16px rgba(255, 90, 104, 0.3);
  --shadow-fab: 0 6px 24px rgba(37, 211, 102, 0.4);

  --transition-fast: 150ms ease;
  --transition-base: 300ms ease;
  --transition-slow: 500ms ease;

  --z-fab: 1000;
  --z-select-dropdown: 100;

  --container-max: 1200px;
  --container-narrow: 640px;
}

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

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

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  min-height: 100dvh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-primary-dark);
}

/* --- Typography --- */
h1, h2, h3 {
  font-family: var(--font-heading);
  font-weight: 400;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  line-height: 1.15;
}

h1 { font-size: clamp(1.8rem, 5vw, 3.2rem); }
h2 { font-size: clamp(1.5rem, 4vw, 2.4rem); }
h3 { font-size: clamp(1.2rem, 3vw, 1.6rem); }

.text-gradient {
  background: linear-gradient(135deg, var(--color-primary), #ff8a94);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.subtitle {
  font-family: var(--font-body);
  font-size: clamp(0.95rem, 2.5vw, 1.15rem);
  font-weight: 400;
  color: var(--color-text-muted);
  line-height: 1.7;
  max-width: 560px;
}

.section-label {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--color-primary);
  margin-bottom: 8px;
}

/* --- Layout --- */
#app {
  width: 100%;
  min-height: 100dvh;
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 20px;
}

.container--narrow {
  max-width: var(--container-narrow);
}

/* --- View System (transitions) --- */
.view {
  opacity: 0;
  transform: translateY(16px);
  animation: viewEnter var(--transition-base) ease-out forwards;
}

@keyframes viewEnter {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.view-exit {
  animation: viewExit 200ms ease-in forwards;
}

@keyframes viewExit {
  to {
    opacity: 0;
    transform: translateY(-12px);
  }
}

/* --- Cards --- */
.card {
  background: var(--color-surface);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  padding: 32px 24px;
  transition: box-shadow var(--transition-base);
}

.card:hover {
  box-shadow: var(--shadow-card-hover);
}

.card--hero {
  padding: 48px 24px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.card--hero::before {
  content: '';
  position: absolute;
  top: -60%;
  right: -30%;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, var(--color-secondary-light) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 700;
  padding: 14px 32px;
  border: none;
  border-radius: var(--radius-btn);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  line-height: 1;
  touch-action: manipulation;
  min-height: 48px;
}

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

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

.btn-primary:hover {
  background: var(--color-primary-dark);
  box-shadow: 0 6px 20px rgba(255, 90, 104, 0.4);
  transform: translateY(-1px);
}

.btn-secondary {
  background: var(--color-surface);
  color: var(--color-primary);
  border: 2px solid var(--color-secondary);
}

.btn-secondary:hover {
  background: var(--color-secondary-light);
  border-color: var(--color-primary);
}

.btn-block {
  width: 100%;
}

.btn-group {
  display: flex;
  flex-direction: column;
  gap: 12px;
  width: 100%;
}

/* --- Select / Country Picker --- */
.select-wrapper {
  position: relative;
  width: 100%;
  max-width: 400px;
  margin: 0 auto;
}

.select-search {
  width: 100%;
  padding: 14px 16px;
  font-family: var(--font-body);
  font-size: 1rem;
  border: 2px solid var(--color-secondary);
  border-radius: var(--radius-input);
  background: var(--color-surface);
  color: var(--color-text);
  outline: none;
  transition: border-color var(--transition-fast);
}

.select-search:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(255, 90, 104, 0.12);
}

.select-search::placeholder {
  color: var(--color-text-light);
}

.select-dropdown {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  right: 0;
  max-height: 260px;
  overflow-y: auto;
  background: var(--color-surface);
  border: 2px solid var(--color-secondary);
  border-radius: var(--radius-input);
  box-shadow: var(--shadow-card);
  z-index: var(--z-select-dropdown);
  display: none;
}

.select-dropdown.open {
  display: block;
  animation: dropdownOpen 200ms ease-out;
}

@keyframes dropdownOpen {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.select-option {
  padding: 12px 16px;
  cursor: pointer;
  font-size: 0.95rem;
  transition: background var(--transition-fast);
  display: flex;
  align-items: center;
  gap: 10px;
}

.select-option:hover,
.select-option.highlighted {
  background: var(--color-secondary-light);
  color: var(--color-primary);
}

.select-option .flag {
  font-size: 1.3rem;
  line-height: 1;
}

/* --- Rotating Headline --- */
.rotating-headline {
  min-height: 3.6em;
  display: flex;
  align-items: center;
  justify-content: center;
}

.rotating-headline h1 {
  transition: opacity 400ms ease, transform 400ms ease;
}

.rotating-headline h1.fade-out {
  opacity: 0;
  transform: translateY(-8px);
}

.rotating-headline h1.fade-in {
  opacity: 1;
  transform: translateY(0);
}

/* --- Onboarding (View 1) --- */
.onboarding {
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 40px 20px;
  text-align: center;
  gap: 32px;
}

.onboarding__logo {
  font-family: var(--font-heading);
  font-size: 2rem;
  color: var(--color-primary);
  letter-spacing: 3px;
  text-transform: uppercase;
}

.onboarding__globe {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.2rem;
  animation: float 3s ease-in-out infinite;
  box-shadow: 0 8px 30px rgba(255, 90, 104, 0.25);
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

/* --- Bridge Page (Views 2/3) --- */
.bridge {
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 40px 20px;
}

.bridge .card {
  max-width: 520px;
  width: 100%;
  text-align: center;
}

.bridge__badge {
  display: inline-block;
  background: var(--color-secondary-light);
  color: var(--color-primary);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  padding: 6px 16px;
  border-radius: var(--radius-pill);
  margin-bottom: 20px;
}

.bridge h2 {
  margin-bottom: 16px;
}

.bridge p {
  margin-bottom: 28px;
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* --- Landing Page (Views 4/5) --- */
.landing {
  padding-bottom: 80px;
}

.landing-hero {
  min-height: 80vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 60px 20px;
  background: linear-gradient(180deg, var(--color-secondary-light) 0%, var(--color-bg) 100%);
}

.landing-hero__content {
  max-width: 700px;
}

.landing-hero h1 {
  margin-bottom: 20px;
}

.landing-hero .subtitle {
  margin: 0 auto 32px;
}

.landing-section {
  padding: 60px 20px;
}

.landing-section:nth-child(even) {
  background: var(--color-surface);
}

.landing-section__inner {
  max-width: var(--container-narrow);
  margin: 0 auto;
}

.landing-section h2 {
  text-align: center;
  margin-bottom: 12px;
}

.landing-section .subtitle {
  text-align: center;
  margin: 0 auto 36px;
}

/* --- Feature Grid --- */
.feature-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin-top: 28px;
}

.feature-card {
  background: var(--color-surface);
  border-radius: var(--radius-card);
  padding: 24px;
  border: 1px solid rgba(251, 177, 181, 0.2);
  transition: all var(--transition-base);
}

.feature-card:hover {
  box-shadow: var(--shadow-card);
  transform: translateY(-2px);
}

.feature-card__icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--color-secondary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 16px;
  color: var(--color-primary);
}

.feature-card h3 {
  font-size: 1rem;
  margin-bottom: 8px;
  text-transform: none;
  font-family: var(--font-body);
  font-weight: 700;
}

.feature-card p {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* --- Stats Row --- */
.stats-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin: 32px 0;
}

.stat-card {
  background: var(--color-surface);
  border-radius: var(--radius-card);
  padding: 20px 16px;
  text-align: center;
  box-shadow: var(--shadow-card);
}

.stat-card__number {
  font-family: var(--font-heading);
  font-size: clamp(1.6rem, 4vw, 2.2rem);
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: 4px;
}

.stat-card__label {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 500;
}

/* --- Steps / How it Works --- */
.steps {
  counter-reset: step-counter;
  display: flex;
  flex-direction: column;
  gap: 24px;
  margin-top: 28px;
}

.step {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  counter-increment: step-counter;
}

.step__number {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-primary);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-size: 1.1rem;
}

.step__content h3 {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 1rem;
  text-transform: none;
  margin-bottom: 4px;
}

.step__content p {
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

/* --- Media Placeholders --- */
.media-placeholder {
  background: linear-gradient(135deg, #f0eded 0%, #e8e4e4 100%);
  border-radius: var(--radius-card);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 8px;
  color: var(--color-text-light);
  font-size: 0.85rem;
  font-weight: 500;
  border: 2px dashed rgba(251, 177, 181, 0.4);
}

.media-placeholder--16x9 {
  aspect-ratio: 16 / 9;
}

.media-placeholder--1x1 {
  aspect-ratio: 1 / 1;
  max-width: 300px;
  margin: 0 auto;
}

.media-placeholder__icon {
  font-size: 2rem;
  opacity: 0.5;
}

/* --- FAQ --- */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 28px;
}

.faq-item {
  background: var(--color-surface);
  border-radius: var(--radius-card);
  border: 1px solid rgba(251, 177, 181, 0.2);
  overflow: hidden;
}

.faq-question {
  padding: 18px 20px;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  transition: background var(--transition-fast);
  user-select: none;
}

.faq-question:hover {
  background: var(--color-secondary-light);
}

.faq-question::after {
  content: '+';
  font-size: 1.4rem;
  color: var(--color-primary);
  font-weight: 400;
  transition: transform var(--transition-fast);
  flex-shrink: 0;
}

.faq-item.open .faq-question::after {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-base),
              padding var(--transition-base);
}

.faq-item.open .faq-answer {
  max-height: 300px;
  padding: 0 20px 18px;
}

.faq-answer p {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* --- CTA Section --- */
.cta-section {
  text-align: center;
  padding: 48px 20px;
  background: linear-gradient(135deg, var(--color-primary) 0%, #ff8a94 100%);
  color: white;
  border-radius: var(--radius-card);
  margin: 40px 20px;
  max-width: var(--container-narrow);
  margin-left: auto;
  margin-right: auto;
}

.cta-section h2 {
  color: white;
  margin-bottom: 12px;
}

.cta-section p {
  opacity: 0.9;
  margin-bottom: 28px;
  max-width: 450px;
  margin-left: auto;
  margin-right: auto;
}

.cta-section .btn {
  background: white;
  color: var(--color-primary);
  font-weight: 700;
}

.cta-section .btn:hover {
  background: var(--color-bg);
  transform: translateY(-1px);
}

/* --- WhatsApp FAB --- */
.whatsapp-fab {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--color-whatsapp);
  box-shadow: var(--shadow-fab);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: var(--z-fab);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  border: none;
  text-decoration: none;
  animation: fabPulse 2s ease-in-out infinite;
}

.whatsapp-fab:hover {
  transform: scale(1.08);
  box-shadow: 0 8px 32px rgba(37, 211, 102, 0.55);
}

.whatsapp-fab svg {
  width: 32px;
  height: 32px;
}

@keyframes fabPulse {
  0%, 100% { box-shadow: var(--shadow-fab); }
  50% { box-shadow: 0 6px 24px rgba(37, 211, 102, 0.6), 0 0 0 8px rgba(37, 211, 102, 0.1); }
}

/* --- Scroll Reveal --- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* --- Back Button --- */
.back-btn {
  position: absolute;
  top: 20px;
  left: 20px;
  background: var(--color-surface);
  border: 1px solid var(--color-secondary);
  border-radius: var(--radius-pill);
  padding: 8px 18px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-text-muted);
  cursor: pointer;
  transition: all var(--transition-fast);
  font-family: var(--font-body);
  display: flex;
  align-items: center;
  gap: 6px;
  z-index: 10;
}

.back-btn:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

/* --- Testimonial (placeholder) --- */
.testimonial-card {
  background: var(--color-surface);
  border-radius: var(--radius-card);
  padding: 28px 24px;
  box-shadow: var(--shadow-card);
  border-left: 4px solid var(--color-primary);
  margin-top: 20px;
}

.testimonial-card__quote {
  font-style: italic;
  font-size: 0.95rem;
  color: var(--color-text);
  margin-bottom: 16px;
  line-height: 1.7;
}

.testimonial-card__author {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-primary);
}

/* --- Footer --- */
.landing-footer {
  text-align: center;
  padding: 32px 20px;
  font-size: 0.8rem;
  color: var(--color-text-light);
}

/* --- Legal Disclaimer --- */
.legal-disclaimer {
  text-align: center;
  padding: 24px 20px;
  font-size: 0.75rem;
  line-height: 1.6;
  color: var(--color-text-light);
  border-top: 1px solid rgba(0, 0, 0, 0.06);
  max-width: var(--container-narrow);
  margin: 0 auto;
}

.legal-disclaimer p {
  margin: 0;
}

/* ===========================
   RESPONSIVE — Tablet (768px)
   =========================== */
@media (min-width: 768px) {
  .card--hero {
    padding: 60px 40px;
  }

  .btn-group {
    flex-direction: row;
    justify-content: center;
  }

  .btn-group .btn {
    min-width: 220px;
  }

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

  .stats-row {
    grid-template-columns: repeat(4, 1fr);
  }

  .landing-section {
    padding: 80px 40px;
  }

  .bridge .card {
    padding: 48px 40px;
  }
}

/* ===========================
   RESPONSIVE — Desktop (1024px)
   =========================== */
@media (min-width: 1024px) {
  .landing-hero {
    min-height: 90vh;
  }

  .card--hero {
    padding: 72px 56px;
  }

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

  .landing-section {
    padding: 100px 40px;
  }

  .landing-section__inner {
    max-width: 800px;
  }

  .cta-section {
    padding: 64px 48px;
    margin: 60px auto;
  }
}

/* ===========================
   RESPONSIVE — Wide (1440px)
   =========================== */
@media (min-width: 1440px) {
  .landing-section__inner {
    max-width: 900px;
  }
}

/* --- Accessibility: Reduced Motion --- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}