/* Sip Notes Website Styles */

/* ===== CSS Custom Properties ===== */
:root {
  /* Colors - from app theme */
  --color-primary: #6B2D4A;
  --color-primary-dark: #3D1F2B;
  --color-primary-light: #C4738E;
  --color-accent: #C9A55C;
  --color-accent-light: #E8D4A8;
  --color-background: #FAF7F4;
  --color-surface: #FFFFFF;
  --color-text-primary: #1F1A1C;
  --color-text-secondary: #6B5D62;
  --color-success: #7A9B8A;
  --color-error: #E07B6B;

  /* Typography */
  --font-display: 'Playfair Display', Georgia, serif;
  --font-body: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;

  /* Spacing */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
  --space-3xl: 64px;
  --space-4xl: 80px;

  /* Border radius */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(31, 26, 28, 0.08);
  --shadow-md: 0 4px 16px rgba(31, 26, 28, 0.12);
  --shadow-lg: 0 8px 32px rgba(31, 26, 28, 0.16);

  /* Layout */
  --max-width: 1200px;
  --nav-height: 72px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text-primary);
  background-color: var(--color-background);
  -webkit-font-smoothing: antialiased;
}

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

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

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

/* ===== Typography ===== */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.2;
  color: var(--color-text-primary);
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
}

h3 {
  font-size: clamp(1.5rem, 3vw, 2rem);
}

p {
  color: var(--color-text-secondary);
}

.text-accent {
  color: var(--color-accent);
}

/* ===== Layout ===== */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

section {
  padding: var(--space-4xl) 0;
}

/* ===== Navigation ===== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  background: rgba(250, 247, 244, 0.95);
  backdrop-filter: blur(10px);
  z-index: 1000;
  border-bottom: 1px solid rgba(107, 45, 74, 0.1);
}

.nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.nav-logo {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
}

.nav-links {
  display: flex;
  gap: var(--space-xl);
  list-style: none;
}

.nav-links a {
  font-weight: 500;
  color: var(--color-text-secondary);
}

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

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-sm);
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-primary);
  margin: 5px 0;
  transition: 0.3s;
}

/* Mobile nav */
@media (max-width: 768px) {
  .nav-toggle {
    display: block;
  }

  .nav-links {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: var(--color-surface);
    flex-direction: column;
    padding: var(--space-lg);
    gap: var(--space-md);
    box-shadow: var(--shadow-md);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
  }

  .nav-links.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-xl);
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: all 0.2s ease;
  min-height: 48px;
}

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

.btn-primary:hover {
  background: var(--color-primary-dark);
  color: white;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

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

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

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

.btn-accent:hover {
  background: var(--color-accent-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* ===== Hero Section ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--nav-height);
  background: linear-gradient(135deg, var(--color-background) 0%, #F5F0EC 100%);
}

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

.hero-content {
  max-width: 560px;
}

.hero-tagline {
  display: inline-block;
  padding: var(--space-sm) var(--space-md);
  background: rgba(107, 45, 74, 0.1);
  color: var(--color-primary);
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: var(--space-lg);
}

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

.hero-subtitle {
  font-size: 1.25rem;
  margin-bottom: var(--space-xl);
}

.hero-buttons {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
}

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

.hero-image-placeholder {
  width: 300px;
  height: 600px;
  background: linear-gradient(145deg, var(--color-surface), #F0EBE7);
  border-radius: 40px;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4rem;
  border: 8px solid var(--color-surface);
}

@media (max-width: 968px) {
  .hero .container {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-content {
    max-width: 100%;
  }

  .hero-buttons {
    justify-content: center;
  }

  .hero-visual {
    order: -1;
  }

  .hero-image-placeholder {
    width: 240px;
    height: 480px;
  }
}

/* ===== Problem/Solution Section ===== */
.problem-solution {
  background: var(--color-surface);
}

.problem-solution .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
}

.problem-card, .solution-card {
  padding: var(--space-2xl);
  border-radius: var(--radius-lg);
}

.problem-card {
  background: #FDF3F1;
}

.solution-card {
  background: #F0F5F2;
}

.problem-card h3, .solution-card h3 {
  margin-bottom: var(--space-md);
}

.problem-card p, .solution-card p {
  font-size: 1.125rem;
}

@media (max-width: 768px) {
  .problem-solution .container {
    grid-template-columns: 1fr;
  }
}

/* ===== Features Section ===== */
.features {
  text-align: center;
}

.features h2 {
  margin-bottom: var(--space-2xl);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--space-lg);
  margin-top: var(--space-2xl);
}

.feature-card {
  background: var(--color-surface);
  padding: var(--space-xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
}

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

.feature-icon {
  width: 64px;
  height: 64px;
  background: rgba(107, 45, 74, 0.1);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  margin: 0 auto var(--space-md);
}

.feature-card h3 {
  font-size: 1.25rem;
  margin-bottom: var(--space-sm);
}

.feature-card p {
  font-size: 0.95rem;
}

/* ===== Privacy Section ===== */
.privacy-highlight {
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
  color: white;
}

.privacy-highlight .container {
  text-align: center;
}

.privacy-highlight h2 {
  color: white;
  margin-bottom: var(--space-lg);
}

.privacy-highlight > .container > p {
  color: rgba(255, 255, 255, 0.8);
  font-size: 1.125rem;
  max-width: 600px;
  margin: 0 auto var(--space-2xl);
}

.privacy-points {
  display: flex;
  justify-content: center;
  gap: var(--space-xl);
  flex-wrap: wrap;
  margin-bottom: var(--space-xl);
}

.privacy-point {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-weight: 500;
}

.privacy-point .icon {
  width: 32px;
  height: 32px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.privacy-highlight .btn-secondary {
  border-color: white;
  color: white;
}

.privacy-highlight .btn-secondary:hover {
  background: white;
  color: var(--color-primary);
}

/* ===== How It Works Section ===== */
.how-it-works {
  text-align: center;
}

.how-it-works h2 {
  margin-bottom: var(--space-2xl);
}

.steps {
  display: flex;
  justify-content: center;
  gap: var(--space-2xl);
  flex-wrap: wrap;
  margin-top: var(--space-2xl);
}

.step {
  flex: 1;
  min-width: 240px;
  max-width: 320px;
}

.step-number {
  width: 48px;
  height: 48px;
  background: var(--color-accent);
  color: var(--color-primary-dark);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0 auto var(--space-md);
}

.step h3 {
  font-size: 1.25rem;
  margin-bottom: var(--space-sm);
}

/* ===== Download Section ===== */
.download {
  background: var(--color-surface);
  text-align: center;
}

.download h2 {
  margin-bottom: var(--space-md);
}

.download > .container > p {
  font-size: 1.125rem;
  margin-bottom: var(--space-xl);
}

.download-buttons {
  display: flex;
  justify-content: center;
  gap: var(--space-md);
  flex-wrap: wrap;
  margin-bottom: var(--space-lg);
}

.app-store-badge {
  height: 54px;
  transition: transform 0.2s ease;
}

.app-store-badge:hover {
  transform: scale(1.05);
}

.coming-soon {
  color: var(--color-text-secondary);
  font-size: 0.95rem;
}

/* ===== Footer ===== */
.footer {
  background: var(--color-primary-dark);
  color: white;
  padding: var(--space-2xl) 0;
}

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

.footer-logo {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
}

.footer-links {
  display: flex;
  gap: var(--space-xl);
  list-style: none;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.8);
}

.footer-links a:hover {
  color: white;
}

.footer-copyright {
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.875rem;
}

@media (max-width: 768px) {
  .footer .container {
    flex-direction: column;
    text-align: center;
  }
}

/* ===== Privacy Policy Page ===== */
.privacy-page {
  padding-top: calc(var(--nav-height) + var(--space-3xl));
  padding-bottom: var(--space-3xl);
  min-height: 100vh;
}

.privacy-page h1 {
  margin-bottom: var(--space-sm);
}

.privacy-page .last-updated {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-2xl);
}

.privacy-content {
  max-width: 800px;
  margin: 0 auto;
  background: var(--color-surface);
  padding: var(--space-2xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.privacy-content h2 {
  font-size: 1.5rem;
  margin-top: var(--space-2xl);
  margin-bottom: var(--space-md);
  padding-top: var(--space-lg);
  border-top: 1px solid rgba(107, 45, 74, 0.1);
}

.privacy-content h2:first-of-type {
  margin-top: 0;
  padding-top: 0;
  border-top: none;
}

.privacy-content p {
  margin-bottom: var(--space-md);
}

.privacy-content ul {
  margin-bottom: var(--space-md);
  padding-left: var(--space-xl);
}

.privacy-content li {
  margin-bottom: var(--space-sm);
  color: var(--color-text-secondary);
}

.privacy-content strong {
  color: var(--color-text-primary);
}

.privacy-content a {
  color: var(--color-primary);
  text-decoration: underline;
}

/* ===== Support Page ===== */
.support-form-wrap {
  margin-top: var(--space-2xl);
}

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

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

.form-group label {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--color-text-primary);
}

.form-group input,
.form-group textarea {
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--color-text-primary);
  background: var(--color-background);
  border: 1.5px solid var(--color-primary-light);
  border-radius: var(--radius-sm);
  padding: var(--space-md);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(107, 45, 74, 0.12);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--color-text-secondary);
  opacity: 0.7;
}

.support-form .btn-primary {
  align-self: flex-start;
}

.support-direct-email {
  margin-top: var(--space-xl);
  font-size: 0.95rem;
  color: var(--color-text-secondary);
}

/* ===== Utility Classes ===== */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}