/* ==========================================================================
   GıdaNotu (Avogadro) - Mobile-First Responsive Design System
   ========================================================================== */

:root {
  --bg-dark: #070b09;
  --bg-card: rgba(18, 27, 22, 0.75);
  --bg-card-hover: rgba(26, 39, 32, 0.9);
  --border: rgba(52, 211, 153, 0.15);
  --border-glow: rgba(52, 211, 153, 0.4);

  --primary: #10b981;
  --primary-light: #34d399;
  --primary-dark: #059669;
  --primary-glow: rgba(16, 185, 129, 0.35);

  --text-main: #f0fdf4;
  --text-muted: #94a3b8;
  --text-dim: #64748b;

  --accent-purple: #c084fc;
  --accent-blue: #38bdf8;
  --accent-yellow: #facc15;
  --accent-green: #34d399;

  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 8px;
  --radius-full: 9999px;

  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: smooth;
  font-family: var(--font-sans);
  background-color: var(--bg-dark);
  color: var(--text-main);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -webkit-text-size-adjust: 100%;
}

body {
  position: relative;
  min-height: 100vh;
  width: 100%;
  overflow-x: hidden;
  background: radial-gradient(circle at 50% 0%, #0d1b13 0%, var(--bg-dark) 75%);
}

.container {
  width: 100%;
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 16px;
}

@media (min-width: 640px) {
  .container {
    padding: 0 24px;
  }
}

/* Background Glows (clipped to prevent horizontal overflow on mobile) */
.glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  pointer-events: none;
  z-index: 0;
  max-width: 90vw;
}

.glow-1 {
  top: -5%;
  left: 50%;
  transform: translateX(-50%);
  width: 450px;
  height: 350px;
  background: radial-gradient(circle, rgba(16, 185, 129, 0.16), transparent 70%);
}

.glow-2 {
  top: 40%;
  left: -20%;
  width: 320px;
  height: 320px;
  background: radial-gradient(circle, rgba(52, 211, 153, 0.08), transparent 70%);
}

.glow-3 {
  bottom: 10%;
  right: -20%;
  width: 320px;
  height: 320px;
  background: radial-gradient(circle, rgba(168, 85, 247, 0.06), transparent 70%);
}

/* Header */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  background: rgba(7, 11, 9, 0.82);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  padding: 12px 0;
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  color: var(--text-main);
  font-weight: 700;
  font-size: 1.15rem;
}

.logo-img {
  width: 34px;
  height: 34px;
  object-fit: contain;
}

.logo-img-sm {
  width: 24px;
  height: 24px;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-link {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 500;
  transition: var(--transition);
}

.nav-link:hover {
  color: var(--text-main);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--radius-full);
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  text-align: center;
}

.btn-sm {
  padding: 6px 14px;
  font-size: 0.82rem;
}

.btn-primary {
  background: linear-gradient(135deg, #10b981 0%, #059669 100%);
  color: #ffffff;
  box-shadow: 0 4px 16px var(--primary-glow);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #34d399 0%, #10b981 100%);
  box-shadow: 0 6px 24px rgba(16, 185, 129, 0.45);
  transform: translateY(-1px);
}

.btn-outline {
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-main);
  border: 1px solid var(--border);
}

.btn-outline:hover {
  background: rgba(52, 211, 153, 0.1);
  border-color: var(--border-glow);
}

/* Hero Section */
.hero {
  position: relative;
  z-index: 1;
  padding: 36px 0 48px;
  text-align: center;
}

@media (min-width: 640px) {
  .hero {
    padding: 60px 0 64px;
  }
}

.hero-container {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.hero-logo {
  width: 76px;
  height: 76px;
  object-fit: contain;
  margin-bottom: 16px;
  filter: drop-shadow(0 6px 20px rgba(132, 204, 22, 0.28));
  animation: float 4s ease-in-out infinite;
}

@media (min-width: 640px) {
  .hero-logo {
    width: 104px;
    height: 104px;
    margin-bottom: 20px;
  }
}

@keyframes float {

  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-6px);
  }
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(16, 185, 129, 0.08);
  border: 1px solid rgba(16, 185, 129, 0.22);
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--primary-light);
  margin-bottom: 16px;
  max-width: 95%;
  line-height: 1.3;
}

.pulse-dot {
  width: 6px;
  height: 6px;
  background-color: var(--primary);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--primary);
  flex-shrink: 0;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% {
    transform: scale(0.95);
    opacity: 0.8;
  }

  50% {
    transform: scale(1.3);
    opacity: 1;
  }

  100% {
    transform: scale(0.95);
    opacity: 0.8;
  }
}

.hero-title {
  font-size: clamp(1.85rem, 5.5vw, 3.4rem);
  font-weight: 800;
  line-height: 1.18;
  letter-spacing: -0.025em;
  margin-bottom: 14px;
}

.gradient-text {
  background: linear-gradient(135deg, #f0fdf4 15%, #34d399 70%, #10b981 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-desc {
  max-width: 580px;
  font-size: clamp(0.92rem, 2.2vw, 1.1rem);
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 28px;
  padding: 0 6px;
}

/* Tester Callout Card */
.waitlist-card {
  width: 100%;
  max-width: 520px;
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 16px 14px;
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.45);
  margin-bottom: 36px;
}

@media (min-width: 640px) {
  .waitlist-card {
    padding: 22px 20px;
    margin-bottom: 48px;
  }
}

.beta-notice {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  text-align: center;
}

.beta-status {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--primary-light);
  background: rgba(16, 185, 129, 0.12);
  border: 1px solid rgba(16, 185, 129, 0.28);
  padding: 3px 12px;
  border-radius: var(--radius-full);
}

.beta-notice p {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.6;
}

@media (min-width: 640px) {
  .beta-notice p {
    font-size: 0.94rem;
  }
}

.beta-notice strong {
  color: var(--text-main);
  word-break: break-all;
}

.beta-notice .btn {
  width: 100%;
  max-width: 320px;
  padding: 12px 24px;
  font-size: 0.95rem;
}

.waitlist-meta {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  font-size: 0.76rem;
  color: var(--text-dim);
}

/* Phone Card Mockup */
.mockup-wrapper {
  width: 100%;
  max-width: 440px;
  margin: 0 auto;
}

.phone-card {
  background: rgba(13, 22, 17, 0.92);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid rgba(52, 211, 153, 0.22);
  border-radius: 20px;
  padding: 16px;
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.55), 0 0 32px rgba(16, 185, 129, 0.08);
  text-align: left;
  transition: var(--transition);
}

@media (min-width: 640px) {
  .phone-card {
    border-radius: 26px;
    padding: 22px;
  }
}

.phone-card:hover {
  transform: translateY(-3px);
  border-color: rgba(52, 211, 153, 0.38);
}

.phone-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
}

.scan-indicator {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.76rem;
  font-weight: 600;
  color: var(--text-muted);
}

.radar-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--primary-light);
  box-shadow: 0 0 6px var(--primary);
}

.status-pill {
  padding: 3px 10px;
  border-radius: var(--radius-full);
  font-size: 0.76rem;
  font-weight: 700;
}

.status-pill.safe {
  background: rgba(16, 185, 129, 0.15);
  color: var(--primary-light);
  border: 1px solid rgba(16, 185, 129, 0.32);
}

.product-preview {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}

.product-icon {
  font-size: 1.6rem;
  width: 44px;
  height: 44px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.product-info h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 2px;
}

.product-info p {
  font-size: 0.78rem;
  color: var(--text-muted);
}

.insight-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

@media (min-width: 640px) {
  .insight-grid {
    gap: 10px;
  }
}

.insight-item {
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-sm);
  padding: 8px 10px;
}

.insight-label {
  display: block;
  font-size: 0.68rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  margin-bottom: 2px;
  font-weight: 600;
}

.insight-val {
  font-size: 0.78rem;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.insight-item.green .insight-val {
  color: var(--primary-light);
}

.insight-item.blue .insight-val {
  color: var(--accent-blue);
}

.insight-item.purple .insight-val {
  color: var(--accent-purple);
}

.insight-item.yellow .insight-val {
  color: var(--accent-yellow);
}

.diet-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 10px;
}

.diet-chip {
  font-size: 0.72rem;
  font-weight: 600;
  padding: 3px 9px;
  border-radius: var(--radius-full);
  border: 1px solid;
}

.diet-chip.yes {
  color: #34d399;
  background: rgba(16, 185, 129, 0.12);
  border-color: rgba(16, 185, 129, 0.35);
}

.diet-chip.no {
  color: #94a3b8;
  background: rgba(148, 163, 184, 0.08);
  border-color: rgba(148, 163, 184, 0.22);
}

/* Features Section */
.features {
  position: relative;
  z-index: 1;
  padding: 48px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

@media (min-width: 640px) {
  .features {
    padding: 72px 0;
  }
}

.section-head {
  text-align: center;
  max-width: 560px;
  margin: 0 auto 32px;
}

.section-title {
  font-size: clamp(1.6rem, 3.8vw, 2.4rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 8px;
}

.section-desc {
  font-size: 0.92rem;
  color: var(--text-muted);
}

/* Feature Grid: 1 col on mobile, 2 on tablet, 3 on desktop */
.features-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

@media (min-width: 600px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 18px;
  }
}

@media (min-width: 960px) {
  .features-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
  }
}

.feature-card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 18px 16px;
  transition: var(--transition);
}

@media (min-width: 640px) {
  .feature-card {
    border-radius: var(--radius-lg);
    padding: 24px 20px;
  }
}

.feature-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-glow);
  transform: translateY(-2px);
}

.feature-icon-box {
  width: 40px;
  height: 40px;
  font-size: 1.35rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(16, 185, 129, 0.12);
  border: 1px solid rgba(16, 185, 129, 0.2);
  border-radius: 10px;
  margin-bottom: 14px;
}

.feature-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--text-main);
}

.feature-card p {
  font-size: 0.86rem;
  color: var(--text-muted);
  line-height: 1.55;
}

/* Footer */
.footer {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding: 24px 0;
  background: rgba(0, 0, 0, 0.5);
}

.footer-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-direction: column;
  gap: 14px;
  text-align: center;
}

@media (min-width: 640px) {
  .footer-container {
    flex-direction: row;
    text-align: left;
  }
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 8px;
}

.footer-copy {
  font-size: 0.78rem;
  color: var(--text-dim);
}

.footer-links {
  display: flex;
  gap: 16px;
}

.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.82rem;
  transition: var(--transition);
}

.footer-links a:hover {
  color: var(--primary-light);
}