/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --green:      #2ecc71;
  --green-dark: #1a9e52;
  --navy:       #0f1f2e;
  --navy-mid:   #1a2f42;
  --slate:      #4a6275;
  --light:      #f4f7f5;
  --white:      #ffffff;
  --border:     #dde8e2;
  --radius:     12px;
  --font:       'Inter', system-ui, -apple-system, sans-serif;
  --shadow:     0 4px 24px rgba(15,31,46,0.10);
  --shadow-lg:  0 12px 48px rgba(15,31,46,0.16);
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  color: var(--navy);
  background: var(--white);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--green-dark); text-decoration: none; }
a:hover { text-decoration: underline; }

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

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== NAV ===== */
nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 20px;
  color: var(--navy);
  text-decoration: none;
}

.nav-logo .logo-icon {
  width: 36px;
  height: 36px;
  /* background: linear-gradient(135deg, var(--green), var(--green-dark)); */
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}

.nav-links a {
  font-size: 15px;
  font-weight: 500;
  color: var(--slate);
  transition: color 0.2s;
}

.nav-links a:hover { color: var(--navy); text-decoration: none; }

.nav-cta {
  background: var(--green);
  color: var(--white) !important;
  padding: 9px 20px;
  border-radius: 8px;
  transition: background 0.2s !important;
}

.nav-cta:hover { background: var(--green-dark) !important; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--navy);
  border-radius: 2px;
  transition: 0.3s;
}

/* ===== HERO ===== */
.hero {
  background: linear-gradient(160deg, var(--navy) 0%, var(--navy-mid) 60%, #163d28 100%);
  color: var(--white);
  padding: 96px 0 80px;
  overflow: hidden;
  position: relative;
}

.hero::before {
  content: '';
  position: absolute;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(46,204,113,0.12) 0%, transparent 70%);
  top: -100px;
  right: -100px;
  pointer-events: none;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(46,204,113,0.15);
  border: 1px solid rgba(46,204,113,0.3);
  color: var(--green);
  font-size: 13px;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 100px;
  margin-bottom: 24px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.hero h1 {
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 20px;
  letter-spacing: -1px;
}

.hero h1 span { color: var(--green); }

.hero p {
  font-size: 18px;
  color: rgba(255,255,255,0.75);
  margin-bottom: 36px;
  max-width: 480px;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all 0.2s;
  text-decoration: none;
}

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

.btn-primary:hover {
  background: var(--green-dark);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(46,204,113,0.35);
  text-decoration: none;
  color: var(--white);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border: 1.5px solid rgba(255,255,255,0.3);
}

.btn-outline:hover {
  background: rgba(255,255,255,0.08);
  text-decoration: none;
  color: var(--white);
}

.hero-mockup {
  display: flex;
  justify-content: center;
  align-items: center;
}

.phone-frame {
  width: 240px;
  height: 480px;
  background: rgba(255,255,255,0.06);
  border: 1.5px solid rgba(255,255,255,0.12);
  border-radius: 36px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 20px;
  position: relative;
  box-shadow: 0 32px 80px rgba(0,0,0,0.4), inset 0 1px 0 rgba(255,255,255,0.08);
}

.phone-notch {
  position: absolute;
  top: 12px;
  width: 80px;
  height: 8px;
  background: rgba(255,255,255,0.08);
  border-radius: 4px;
}

.phone-screen-icon {
  font-size: 64px;
  opacity: 0.9;
}

.phone-screen-text {
  font-size: 22px;
  font-weight: 800;
  color: rgba(255,255,255,0.9);
  letter-spacing: -0.5px;
}

.phone-screen-sub {
  font-size: 12px;
  color: rgba(255,255,255,0.45);
  text-align: center;
  padding: 0 24px;
}

/* ===== SECTIONS COMMON ===== */
section { padding: 88px 0; }

.section-label {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--green-dark);
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.5px;
  margin-bottom: 16px;
}

.section-sub {
  font-size: 17px;
  color: var(--slate);
  max-width: 560px;
  margin-bottom: 56px;
}

/* ===== FEATURES ===== */
.features { background: var(--light); }

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.feature-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  transition: transform 0.2s, box-shadow 0.2s;
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.feature-icon {
  width: 52px;
  height: 52px;
  background: linear-gradient(135deg, #eafaf1, #d5f5e3);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin-bottom: 18px;
}

.feature-card h3 {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 8px;
}

.feature-card p {
  font-size: 14px;
  color: var(--slate);
  line-height: 1.6;
}

/* ===== HOW IT WORKS ===== */
.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 32px;
  counter-reset: step;
}

.step {
  text-align: center;
  position: relative;
}

.step-num {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, var(--green), var(--green-dark));
  color: white;
  font-size: 22px;
  font-weight: 800;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  box-shadow: 0 6px 20px rgba(46,204,113,0.3);
}

.step h3 {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 8px;
}

.step p {
  font-size: 14px;
  color: var(--slate);
}

/* ===== AI SECTION ===== */
.ai-section { background: var(--navy); color: var(--white); }

.ai-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.ai-section .section-label { color: var(--green); }
.ai-section .section-title { color: var(--white); }
.ai-section .section-sub { color: rgba(255,255,255,0.65); }

.ai-features {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.ai-feat {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.ai-feat-icon {
  width: 40px;
  height: 40px;
  background: rgba(46,204,113,0.15);
  border: 1px solid rgba(46,204,113,0.2);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}

.ai-feat-text h4 {
  font-size: 15px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 4px;
}

.ai-feat-text p {
  font-size: 13px;
  color: rgba(255,255,255,0.55);
}

.ai-visual {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 16px;
  padding: 28px;
}

.chat-bubble {
  background: rgba(46,204,113,0.12);
  border: 1px solid rgba(46,204,113,0.2);
  border-radius: 12px 12px 12px 4px;
  padding: 12px 16px;
  margin-bottom: 12px;
  font-size: 14px;
  color: rgba(255,255,255,0.85);
}

.chat-bubble.user {
  background: rgba(255,255,255,0.06);
  border-color: rgba(255,255,255,0.1);
  border-radius: 12px 12px 4px 12px;
  text-align: right;
}

.chat-label {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 6px;
}

.chat-label.ai { color: var(--green); }
.chat-label.user-label { color: rgba(255,255,255,0.4); text-align: right; }

/* ===== DOWNLOAD ===== */
.download { background: var(--light); text-align: center; }

.download .section-title { margin: 0 auto 12px; }
.download .section-sub { margin: 0 auto 36px; }

.store-badge {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: var(--navy);
  color: var(--white);
  padding: 14px 28px;
  border-radius: var(--radius);
  font-size: 15px;
  font-weight: 600;
  transition: background 0.2s, transform 0.2s;
  text-decoration: none;
}

.store-badge:hover {
  background: var(--navy-mid);
  transform: translateY(-2px);
  text-decoration: none;
  color: var(--white);
}

.store-badge .store-icon { font-size: 24px; }

.download-note {
  margin-top: 20px;
  font-size: 13px;
  color: var(--slate);
}

/* ===== CONTACT ===== */
.contact-inner {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 64px;
  align-items: start;
}

.contact-info p {
  font-size: 15px;
  color: var(--slate);
  margin-bottom: 28px;
}

.contact-detail {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 14px;
  color: var(--slate);
  margin-bottom: 14px;
}

.contact-detail-icon {
  width: 36px;
  height: 36px;
  background: var(--light);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  flex-shrink: 0;
}

/* Form */
.form-card {
  background: var(--white);
  border-radius: 16px;
  padding: 36px;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group {
  margin-bottom: 18px;
}

.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 6px;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 14px;
  border: 1.5px solid var(--border);
  border-radius: 8px;
  font-size: 14px;
  font-family: var(--font);
  color: var(--navy);
  background: var(--white);
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--green);
  box-shadow: 0 0 0 3px rgba(46,204,113,0.12);
}

.form-group textarea { resize: vertical; min-height: 120px; }

.form-submit {
  width: 100%;
  padding: 14px;
  font-size: 15px;
}

.form-status {
  margin-top: 14px;
  padding: 12px 16px;
  border-radius: 8px;
  font-size: 14px;
  display: none;
}

.form-status.success {
  background: #d4edda;
  color: #155724;
  border: 1px solid #c3e6cb;
  display: block;
}

.form-status.error {
  background: #f8d7da;
  color: #721c24;
  border: 1px solid #f5c6cb;
  display: block;
}

/* ===== FOOTER ===== */
footer {
  background: var(--navy);
  color: rgba(255,255,255,0.55);
  padding: 40px 0;
}

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

.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 16px;
  color: var(--white);
  text-decoration: none;
}

.footer-links {
  display: flex;
  gap: 24px;
  list-style: none;
}

.footer-links a {
  color: rgba(255,255,255,0.5);
  font-size: 14px;
  transition: color 0.2s;
}

.footer-links a:hover { color: var(--white); text-decoration: none; }

.footer-copy { font-size: 13px; }

/* ===== PRIVACY PAGE ===== */
.page-hero {
  background: linear-gradient(160deg, var(--navy), var(--navy-mid));
  color: var(--white);
  padding: 72px 0 56px;
  text-align: center;
}

.page-hero h1 {
  font-size: clamp(28px, 5vw, 44px);
  font-weight: 800;
  margin-bottom: 12px;
}

.page-hero p {
  color: rgba(255,255,255,0.6);
  font-size: 16px;
}

.prose {
  max-width: 760px;
  margin: 0 auto;
  padding: 72px 24px;
}

.prose h2 {
  font-size: 22px;
  font-weight: 700;
  margin: 40px 0 14px;
  color: var(--navy);
}

.prose h2:first-child { margin-top: 0; }

.prose p {
  font-size: 15px;
  color: #4a5568;
  margin-bottom: 14px;
  line-height: 1.75;
}

.prose ul {
  list-style: none;
  margin-bottom: 14px;
}

.prose ul li {
  font-size: 15px;
  color: #4a5568;
  padding: 6px 0 6px 24px;
  position: relative;
}

.prose ul li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--green-dark);
  font-weight: 700;
}

.prose table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 20px;
  font-size: 14px;
}

.prose th {
  background: var(--light);
  padding: 10px 14px;
  text-align: left;
  font-weight: 700;
  border: 1px solid var(--border);
}

.prose td {
  padding: 10px 14px;
  border: 1px solid var(--border);
  vertical-align: top;
}

.prose a { color: var(--green-dark); }

.info-box {
  background: #eafaf1;
  border: 1px solid #a9dfbf;
  border-radius: 8px;
  padding: 16px 20px;
  margin-bottom: 20px;
  font-size: 14px;
  color: #1e8449;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .nav-links { display: none; flex-direction: column; }
  .nav-links.open {
    display: flex;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--white);
    padding: 20px 24px;
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow);
  }
  .nav-toggle { display: flex; }

  .hero-inner { grid-template-columns: 1fr; }
  .hero-mockup { display: none; }
  .hero { padding: 64px 0; }

  .ai-inner { grid-template-columns: 1fr; }
  .ai-visual { display: none; }

  .contact-inner { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }

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

  section { padding: 56px 0; }
}