/* HabitForge Landing Page Styles */

/* ===== CSS CUSTOM PROPERTIES (VARIABLES) ===== */
:root {
  /* Colors */
  --bg-primary: #060b0f;
  --bg-header: rgba(6, 11, 15, 0.95);
  --text-primary: #ffffff;
  --text-secondary: rgba(255, 255, 255, 0.8);
  --accent-primary: #00d4ff;
  --accent-secondary: #0099cc;
  --accent-hover: #00e5ff;
  --accent-hover-secondary: #00aadd;
  --border-subtle: rgba(255, 255, 255, 0.1);
  --border-muted: rgba(255, 255, 255, 0.2);

  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 4rem;
  --spacing-3xl: 6rem;
  --spacing-4xl: 8rem;
  --spacing-5xl: 10rem;

  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 8px;

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;

  /* Typography */
  --font-size-sm: 0.8rem;
  --font-size-base: 0.9rem;
  --font-size-lg: 1rem;

  /* Layout */
  --header-height: 80px;
  --container-max-width: 1200px;
  --container-padding-mobile: 1rem;
  --container-padding-desktop: 2rem;
  --container-padding-large: 4rem;
}

/* ===== RESET AND BASE STYLES ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family:
    -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu,
    Cantarell, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

/* ===== CONTAINER SYSTEM ===== */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--container-padding-desktop);
}

/* Mobile-first responsive design */
@media (max-width: 768px) {
  .container {
    padding: 0 calc(var(--container-padding-mobile) * 2);
  }
}

/* Desktop generous margins */
@media (min-width: 1200px) {
  .container {
    padding: 0 var(--container-padding-large);
  }
}

/* ===== UTILITY CLASSES ===== */
.text-center {
  text-align: center;
}

.flex {
  display: flex;
}

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

.flex-column {
  flex-direction: column;
}

.min-h-screen {
  min-height: 100vh;
}

/* ===== HEADER AND NAVIGATION ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background-color: var(--bg-header);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-subtle);
  z-index: 1000;
  padding: var(--spacing-md) 0;
}

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

.logo {
  height: 40px;
  width: auto;
  transition: transform var(--transition-normal);
}

.logo:hover {
  transform: scale(1.05);
}

.nav-buttons {
  display: flex;
  gap: var(--spacing-md);
  align-items: center;
}

.nav-button {
  background: transparent;
  border: none;
  color: var(--text-primary);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  font-size: var(--font-size-base);
  cursor: pointer;
  transition: all var(--transition-normal);
  text-decoration: none;
  display: inline-block;
}

.nav-button:hover {
  color: var(--accent-primary);
  transform: translateY(-1px);
}

.nav-button.primary {
  background: transparent;
  color: var(--accent-primary);
  font-weight: 600;
}

.nav-button.primary:hover {
  background: transparent;
  color: var(--accent-hover);
  transform: translateY(-1px);
}

.nav-button.icon-only {
  padding: var(--spacing-sm);
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.nav-button.icon-only i {
  width: 20px;
  height: 20px;
}

.nav-button.primary.icon-only {
  width: 40px;
  height: 40px;
}

/* ===== MOBILE NAVIGATION ===== */
@media (max-width: 768px) {
  .header {
    padding: var(--spacing-sm) 0;
  }

  .nav {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }

  .nav-buttons {
    flex-wrap: nowrap;
    justify-content: flex-end;
    gap: var(--spacing-xs);
  }

  .nav-button.icon-only {
    width: 35px;
    height: 35px;
    padding: var(--spacing-xs);
  }

  .nav-button.icon-only i {
    width: 18px;
    height: 18px;
  }

  .logo {
    height: 35px;
  }
}

/* ===== HERO SECTION ===== */
.hero {
  text-align: center;
  padding: var(--spacing-md) 0 var(--spacing-lg) 0;
  max-width: 800px;
  margin: 0 auto;
  margin-top: calc(var(--header-height) + var(--spacing-2xl));
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: var(--spacing-lg);
  background: linear-gradient(
    135deg,
    var(--text-primary),
    var(--accent-primary)
  );
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-shadow: 0 0 30px rgba(0, 212, 255, 0.3);
}

.hero-description {
  font-size: 1.2rem;
  line-height: 1.4;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-xl);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.hero-description p {
  margin-bottom: var(--spacing-md);
}

.hero-description p:last-child {
  margin-bottom: 0;
  font-weight: 600;
  color: var(--accent-primary);
}

.app-store-buttons {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  align-items: center;
  margin-top: var(--spacing-xl);
}

.app-store-button {
  display: inline-block;
  transition: transform var(--transition-normal);
  cursor: pointer;
}

.app-store-button:hover {
  transform: translateY(-2px) scale(1.05);
}

.app-store-button img {
  height: 60px;
  width: auto;
  border-radius: var(--radius-md);
}

/* ===== MOBILE HERO ===== */
@media (max-width: 768px) {
  .hero {
    padding: var(--spacing-xl) 0;
    margin-top: calc(var(--header-height) + var(--spacing-md));
  }

  .hero-title {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
  }

  .hero-description {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-lg);
  }

  .app-store-buttons {
    flex-direction: row;
    gap: var(--spacing-sm);
  }

  .app-store-button img {
    height: 40px;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 2rem;
  }

  .hero-description {
    font-size: 1rem;
  }
}

/* ===== SWIPER CAROUSEL ===== */
.carousel-section {
  padding: var(--spacing-lg) 0 var(--spacing-2xl) 0;
  background: linear-gradient(
    180deg,
    transparent 0%,
    rgba(0, 212, 255, 0.05) 50%,
    transparent 100%
  );
}

.swiper-container {
  position: relative;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.swiper {
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.swiper-slide {
  display: flex;
  justify-content: center;
  align-items: center;
}

.swiper-slide img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
  transition: transform var(--transition-normal);
}

.swiper-slide img:hover {
  transform: scale(1.02);
}

/* Custom Swiper Navigation Buttons */
.swiper-button-prev,
.swiper-button-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(0, 212, 255, 0.2);
  border: 1px solid rgba(0, 212, 255, 0.4);
  color: var(--accent-primary);
  width: 50px;
  height: 50px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-normal);
  z-index: 10;
  backdrop-filter: blur(10px);
  margin: 0;
}

.swiper-button-prev i,
.swiper-button-next i {
  width: 20px !important;
  height: 20px !important;
}

/* Override Swiper's default button styles */
.swiper-button-prev::after,
.swiper-button-next::after {
  display: none !important;
}

.swiper-button-prev,
.swiper-button-next {
  background: rgba(0, 212, 255, 0.2) !important;
  border: 1px solid rgba(0, 212, 255, 0.4) !important;
  color: var(--accent-primary) !important;
  width: 50px !important;
  height: 50px !important;
  border-radius: 50% !important;
  margin: 0 !important;
}

.swiper-button-prev:hover,
.swiper-button-next:hover {
  background: var(--accent-primary);
  color: var(--bg-primary);
  border-color: var(--accent-primary);
  transform: translateY(-50%) scale(1.1);
}

.swiper-button-prev {
  left: 10px;
}

.swiper-button-next {
  right: 10px;
}

.swiper-button-prev.swiper-button-disabled,
.swiper-button-next.swiper-button-disabled {
  opacity: 0.3;
  cursor: not-allowed;
  background: rgba(0, 212, 255, 0.1);
  border-color: rgba(0, 212, 255, 0.2);
  color: rgba(0, 212, 255, 0.5);
}

.swiper-button-prev.swiper-button-disabled:hover,
.swiper-button-next.swiper-button-disabled:hover {
  background: rgba(0, 212, 255, 0.1);
  color: rgba(0, 212, 255, 0.5);
  border-color: rgba(0, 212, 255, 0.2);
  transform: translateY(-50%);
}

/* ===== RESPONSIVE SWIPER ===== */
/* Tablet adjustments */
@media (min-width: 768px) and (max-width: 1023px) {
  .swiper-container {
    padding: 0 10px;
  }

  .swiper-button-prev,
  .swiper-button-next {
    width: 40px;
    height: 40px;
  }

  .swiper-button-prev i,
  .swiper-button-next i {
    width: 16px !important;
    height: 16px !important;
  }

  .swiper-button-prev,
  .swiper-button-next {
    width: 40px !important;
    height: 40px !important;
  }

  .swiper-button-prev {
    left: -10px;
  }

  .swiper-button-next {
    right: -10px;
  }
}

/* Mobile adjustments */
@media (max-width: 767px) {
  .swiper-container {
    padding: 0 10px;
  }

  .swiper-button-prev,
  .swiper-button-next {
    display: none !important;
  }

  .carousel-section {
    padding: var(--spacing-md) 0 var(--spacing-xl) 0;
  }
}

/* ===== FEATURES SECTION ===== */
.features-section {
  padding: var(--spacing-xl) 0 var(--spacing-2xl) 0;
  background: linear-gradient(
    180deg,
    transparent 0%,
    rgba(0, 212, 255, 0.03) 50%,
    transparent 100%
  );
}

.features-title {
  font-size: 2.5rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: var(--spacing-lg);
  background: linear-gradient(
    135deg,
    var(--text-primary),
    var(--accent-primary)
  );
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
  max-width: 1000px;
  margin: 0 auto;
}

.feature-card {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  text-align: center;
  transition: all var(--transition-normal);
  backdrop-filter: blur(10px);
}

.feature-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent-primary);
  background: rgba(0, 212, 255, 0.05);
  box-shadow: 0 8px 32px rgba(0, 212, 255, 0.1);
}

.feature-icon {
  width: 60px;
  height: 60px;
  margin: 0 auto var(--spacing-md) auto;
  background: linear-gradient(
    135deg,
    var(--accent-primary),
    var(--accent-secondary)
  );
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--transition-normal);
}

.feature-card:hover .feature-icon {
  transform: scale(1.1);
}

.feature-icon i {
  width: 28px;
  height: 28px;
  color: var(--bg-primary);
}

.feature-title {
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
}

.feature-description {
  color: var(--text-secondary);
  line-height: 1.5;
  font-size: var(--font-size-base);
}

/* ===== RESPONSIVE FEATURES ===== */
/* Desktop: 3 columns */
@media (min-width: 1024px) {
  .features-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Tablet: 2 columns */
@media (min-width: 768px) and (max-width: 1023px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
  }

  .feature-card {
    padding: var(--spacing-lg);
  }

  .features-title {
    font-size: 2.2rem;
  }
}

/* Mobile: Single column (list) */
@media (max-width: 767px) {
  .features-section {
    padding: var(--spacing-lg) 0 var(--spacing-xl) 0;
  }

  .features-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-sm);
  }

  .feature-card {
    padding: var(--spacing-md);
    display: flex;
    align-items: center;
    text-align: left;
    gap: var(--spacing-md);
  }

  .feature-content {
    flex: 1;
  }

  .feature-icon {
    width: 50px;
    height: 50px;
    margin: 0;
    flex-shrink: 0;
    order: 2;
  }

  .feature-icon i {
    width: 24px;
    height: 24px;
  }

  .feature-title {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-xs);
  }

  .feature-description {
    font-size: var(--font-size-sm);
    margin: 0;
  }

  .features-title {
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
  }
}

/* Reset mobile-specific styles for desktop */
@media (min-width: 768px) {
  .feature-card {
    display: flex;
    flex-direction: column;
    text-align: center;
    padding: var(--spacing-xl);
  }

  .feature-content {
    flex: none;
    order: 2;
  }

  .feature-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto var(--spacing-md) auto;
    order: 1;
  }

  .feature-icon i {
    width: 28px;
    height: 28px;
  }

  .feature-title {
    font-size: 1.3rem;
    margin-bottom: var(--spacing-sm);
  }

  .feature-description {
    font-size: var(--font-size-base);
    margin: 0;
  }
}

/* ===== DOWNLOAD SECTION ===== */
.download-section {
  padding: var(--spacing-2xl) 0;
  background: linear-gradient(
    180deg,
    transparent 0%,
    rgba(0, 212, 255, 0.05) 50%,
    transparent 100%
  );
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.download-content {
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
}

.download-title {
  font-size: 2.2rem;
  font-weight: 700;
  line-height: 1.1;
  color: var(--text-primary);
  margin-bottom: var(--spacing-md);
  background: linear-gradient(
    135deg,
    var(--text-primary),
    var(--accent-primary)
  );
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.download-description {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-xl);
  line-height: 1.5;
}

/* Mobile download section */
@media (max-width: 768px) {
  .download-section {
    padding: var(--spacing-xl) 0;
  }

  .download-title {
    font-size: 1.8rem;
  }

  .download-description {
    font-size: 1rem;
  }
}

/* ===== FOOTER STYLES ===== */
.footer {
  padding: var(--spacing-xl) 0;
  border-top: 1px solid var(--border-subtle);
  margin-top: auto;
}

.social-links a {
  color: var(--text-primary);
  text-decoration: none;
  margin: 0 var(--spacing-sm);
  transition: color var(--transition-normal);
}

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

/* ===== PRIVACY PAGE STYLES ===== */
.privacy-content {
  max-width: 800px;
  margin: 0 auto;
  padding: var(--spacing-2xl) 0;
}

.privacy-content h1 {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--spacing-lg);
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: var(--spacing-md);
}

.privacy-content h2 {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-top: var(--spacing-xl);
  margin-bottom: var(--spacing-md);
}

.privacy-content h3 {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-top: var(--spacing-lg);
  margin-bottom: var(--spacing-sm);
}

.privacy-content p {
  color: var(--text-secondary);
  margin-bottom: var(--spacing-md);
  line-height: 1.6;
}

.privacy-content ul {
  color: var(--text-secondary);
  margin-bottom: var(--spacing-md);
  padding-left: var(--spacing-lg);
}

.privacy-content li {
  margin-bottom: var(--spacing-xs);
  line-height: 1.5;
}

.privacy-content em {
  color: var(--text-secondary);
  font-style: italic;
}

.privacy-content strong {
  color: var(--text-primary);
  font-weight: 600;
}

.privacy-content a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color var(--transition-normal);
}

.privacy-content a:hover {
  color: var(--accent-primary);
}

.back-link {
  margin-bottom: var(--spacing-xl);
}

.back-link a {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  transition: color var(--transition-normal);
}

.back-link a:hover {
  color: var(--accent-primary);
}

/* Mobile privacy page adjustments */
@media (max-width: 768px) {
  .privacy-content {
    padding: var(--spacing-lg) 0;
  }

  .privacy-content h1 {
    font-size: 2rem;
  }

  .privacy-content h2 {
    font-size: 1.3rem;
  }

  .privacy-content h3 {
    font-size: 1.1rem;
  }
}

/* ===== IMAGE MODAL ===== */
.modal {
  display: none;
  position: fixed;
  z-index: 2000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.9);
  backdrop-filter: blur(5px);
  animation: fadeIn 0.3s ease;
}

.modal-content {
  position: relative;
  margin: auto;
  padding: 0;
  width: 90%;
  max-width: 400px; /* Reduced for 9:16 aspect ratio */
  max-height: 90vh; /* Ensure it fits in viewport */
  top: 50%;
  transform: translateY(-50%);
  animation: slideIn 0.3s ease;
  display: flex;
  flex-direction: column;
}

.modal-content img {
  width: 100%;
  height: auto;
  max-height: calc(90vh - 80px); /* Account for caption space */
  object-fit: contain; /* Ensure full image is visible */
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.modal-close {
  position: absolute;
  top: -50px;
  right: -10px;
  color: var(--text-primary);
  font-size: 1.8rem;
  font-weight: bold;
  cursor: pointer;
  background: rgba(0, 0, 0, 0.8);
  border: 2px solid var(--accent-primary);
  border-radius: 50%;
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
  text-align: center;
  padding: 0;
  margin: 0;
  transition: all var(--transition-normal);
  z-index: 2001;
  backdrop-filter: blur(10px);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

.modal-close::before {
  content: "X";
  display: block;
  line-height: 2;
  margin: 0;
  padding: 0;
}

.modal-close:hover {
  background: var(--accent-primary);
  color: var(--bg-primary);
  border-color: var(--accent-primary);
  transform: scale(1.1);
  box-shadow: 0 6px 25px rgba(0, 212, 255, 0.4);
}

.modal-caption {
  margin-top: var(--spacing-md);
  text-align: center;
  color: var(--text-primary);
  font-size: var(--font-size-lg);
  font-weight: 500;
  background: rgba(0, 0, 0, 0.7);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
}

/* Modal animations */
@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateY(-50%) scale(0.8);
  }
  to {
    opacity: 1;
    transform: translateY(-50%) scale(1);
  }
}

/* Mobile modal adjustments */
@media (max-width: 768px) {
  .modal-content {
    width: 95%;
    max-width: 350px; /* Slightly smaller on mobile */
  }

  .modal-close {
    top: -45px;
    right: -5px;
    width: 45px;
    height: 45px;
    font-size: 1.6rem;
  }

  .modal-caption {
    font-size: var(--font-size-base);
    margin-top: var(--spacing-sm);
  }
}

/* Make carousel images clickable */
.swiper-slide img {
  cursor: pointer;
  transition:
    transform var(--transition-normal),
    box-shadow var(--transition-normal);
}

.swiper-slide img:hover {
  transform: scale(1.02);
  box-shadow: 0 12px 40px rgba(0, 212, 255, 0.2);
}