/* ============================================================
   featherScroll 2026 — Global Stylesheet
   Mobile-first · Glassmorphism · Cream + Forest Green · Pi-native
   ============================================================ */

/* ===== GOOGLE FONTS ===== */
@import url("https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,400;0,500;0,600;0,700;1,400&family=DM+Sans:wght@300;400;500;700&display=swap");
/* ===== CSS VARIABLES ===== */
:root {
  /* Core Palette */
  --cream: #f5f0e8;
  --cream-light: #faf7f2;
  --cream-dark: #ede5d8;
  --green-deep: #1a3a2a;
  --green-forest: #2d5a3d;
  --green-mid: #3d7a52;
  --green-soft: #5a9e6f;
  --green-mist: #a8c5b0;
  --green-pale: #d4e8da;
  --gold: #c9a84c;
  --gold-light: #e8c97a;
  --gold-pale: #f5e6b8;

  /* Text */
  --text-primary: #1a3a2a;
  --text-secondary: #4a6b58;
  --text-muted: #7a9b87;
  --text-on-dark: #f5f0e8;
  --text-on-dark-2: #c8d8c2;

  /* Glass */
  --glass-bg: rgba(245, 240, 232, 0.15);
  --glass-bg-strong: rgba(245, 240, 232, 0.25);
  --glass-border: rgba(245, 240, 232, 0.3);
  --glass-border-gold: rgba(201, 168, 76, 0.4);
  --glass-shadow: rgba(26, 58, 42, 0.25);

  /* Gradients */
  --grad-page: linear-gradient(
    160deg,
    #0f2318 0%,
    #1a3a2a 35%,
    #2d5a3d 70%,
    #1a3a2a 100%
  );
  --grad-card: linear-gradient(
    135deg,
    rgba(245, 240, 232, 0.18) 0%,
    rgba(245, 240, 232, 0.08) 100%
  );
  --grad-gold: linear-gradient(135deg, #c9a84c 0%, #e8c97a 50%, #c9a84c 100%);
  --grad-green: linear-gradient(135deg, #2d5a3d 0%, #3d7a52 100%);
  --grad-quote-overlay: linear-gradient(
    180deg,
    rgba(15, 35, 24, 0.3) 0%,
    rgba(15, 35, 24, 0.75) 100%
  );

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

  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --radius-full: 9999px;

  /* Typography */
  --font-display: "Cormorant Garamond", Georgia, serif;
  --font-body: "DM Sans", sans-serif;

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-mid: 0.3s ease;
  --transition-slow: 0.6s cubic-bezier(0.16, 1, 0.3, 1);

  /* Bottom nav height */
  --nav-height: 68px;

  /* Z-index layers */
  --z-bg: 0;
  --z-content: 10;
  --z-card: 20;
  --z-nav: 100;
  --z-modal: 200;
  --z-popup: 300;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  background: var(--grad-page);
  min-height: 100vh;
  min-height: 100dvh;
  color: var(--text-on-dark);
  overflow-x: hidden;
  position: relative;
}

img {
  max-width: 100%;
  display: block;
}
a {
  text-decoration: none;
  color: inherit;
}
button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: inherit;
}
ul,
ol {
  list-style: none;
}

/* ===== FEATHER CANVAS (background animation) ===== */
#feather-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: var(--z-bg);
  overflow: hidden;
}

.feather {
  position: absolute;
  top: -60px;
  font-size: 18px;
  opacity: 0;
  animation: featherFall linear infinite;
  user-select: none;
  pointer-events: none;
  filter: drop-shadow(0 2px 4px rgba(201, 168, 76, 0.3));
}

@keyframes featherFall {
  0% {
    transform: translateY(0) rotate(0deg) translateX(0);
    opacity: 0;
  }
  5% {
    opacity: 0.7;
  }
  90% {
    opacity: 0.5;
  }
  100% {
    transform: translateY(110vh) rotate(360deg) translateX(40px);
    opacity: 0;
  }
}

/* ===== LOADING SCREEN ===== */
#loading-screen {
  position: fixed;
  inset: 0;
  background: var(--green-deep);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  transition: opacity 0.5s ease;
}

.loading-content {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
}

.loading-logo {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-full);
  animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {
  0%,
  100% {
    transform: scale(1);
    opacity: 1;
  }
  50% {
    transform: scale(1.08);
    opacity: 0.8;
  }
}

.loading-content h2 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--gold-light);
  letter-spacing: 0.08em;
}

.loading-spinner {
  width: 28px;
  height: 28px;
  border: 2px solid rgba(201, 168, 76, 0.3);
  border-top-color: var(--gold);
  border-radius: var(--radius-full);
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* ===== HEADER ===== */
.header {
  position: sticky;
  top: 0;
  z-index: 50;
  padding: var(--space-md) var(--space-md) var(--space-sm);
  background: rgba(15, 35, 24, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(201, 168, 76, 0.15);
}

@keyframes rippleOut {
  0% {
    transform: scale(1);
    opacity: 0.6;
  }
  100% {
    transform: scale(2.2);
    opacity: 0;
  }
}

.header-tagline {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: 400;
  color: var(--text-on-dark-2);
  letter-spacing: 0.02em;
  text-align: right;
  line-height: 1.4;
  background: rgba(201, 168, 76, 0.08);
  border: 1px solid rgba(201, 168, 76, 0.2);
  border-radius: var(--radius-full);
  padding: 4px 12px 4px 10px;
}

/* ===== PAGE WRAPPER ===== */
.page {
  max-width: 480px;
  margin: 0 auto;
  padding: var(--space-lg) var(--space-md);
  display: none;
  animation: pageFadeIn 0.4s ease forwards;
}

.page.active {
  display: block;
}

@keyframes pageFadeIn {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ===== HOME PAGE ===== */
.home-hero {
  text-align: center;
  padding: var(--space-2xl) 0 var(--space-xl);
}

@keyframes blink {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.3;
  }
}

/* Home welcome user strip */
.welcome-strip {
  background: rgba(45, 90, 61, 0.3);
  border: 1px solid rgba(90, 158, 111, 0.2);
  border-radius: var(--radius-md);
  padding: var(--space-md) var(--space-lg);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
  animation: welcomeSlideIn 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  opacity: 0;
}

@keyframes welcomeSlideIn {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ===== MODAL ===== */
.modal {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(10, 25, 15, 0.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: var(--z-modal);
  overflow-y: auto;
  padding: var(--space-md);
  padding-bottom: calc(var(--nav-height) + var(--space-md));
  animation: modalFadeIn 0.25s ease forwards;
}

@keyframes modalFadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes modalSlideUp {
  from {
    transform: translateY(32px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

.modal-close {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  background: rgba(245, 240, 232, 0.08);
  border: 1px solid rgba(245, 240, 232, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-on-dark-2);
  font-size: 1rem;
  flex-shrink: 0;
  transition: background var(--transition-fast);
}

.modal-close:active {
  background: rgba(245, 240, 232, 0.15);
}

/* ===== POPUP TOAST ===== */
#popup {
  position: fixed;
  bottom: calc(var(--nav-height) + var(--space-lg));
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: rgba(26, 58, 42, 0.95);
  border: 1px solid rgba(201, 168, 76, 0.3);
  border-radius: var(--radius-md);
  padding: var(--space-sm) var(--space-lg);
  font-family: var(--font-body);
  font-size: 0.85rem;
  color: var(--cream);
  z-index: var(--z-popup);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
  white-space: nowrap;
  transition:
    opacity 0.3s ease,
    transform 0.3s ease;
  pointer-events: none;
}

#popup.hidden {
  display: none;
}

#popup.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

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

/* ===== FOOTER ===== */
.footer {
  text-align: center;
  padding: var(--space-xl) var(--space-md);
  border-top: 1px solid rgba(245, 240, 232, 0.06);
  margin-top: var(--space-xl);
}

.footer p {
  font-family: var(--font-body);
  font-size: 0.72rem;
  color: var(--text-muted);
  font-weight: 300;
  line-height: 1.8;
}

/* ===== UTILITY CLASSES ===== */
.hidden {
  display: none !important;
}

/* ===== RESPONSIVE — TABLET / DESKTOP ===== */
@media (min-width: 480px) {
  .page {
    padding: var(--space-xl) var(--space-lg);
  }
}

@media (min-width: 768px) {

  .page {
    padding: var(--space-2xl) var(--space-xl);
    max-width: 560px;
  }
}

@media (min-width: 1024px) {
  /* Side-centered layout for desktop visitors */
  body::before {
    content: "";
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.3);
    pointer-events: none;
    z-index: -1;
  }
}



/* ===== HIGH CONTRAST / REDUCED MOTION ===== */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* =====================================================
   WHAT IF PAGE — Parchment Scroll Theme
   ===================================================== */

#page-whatif {
  padding-left: 0;
  padding-right: 0;
  padding-top: 0;
  max-width: 100%;
}

#page-whatif.active {
  padding: 0;
  max-width: 100%;
}

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

@keyframes whatifTodayPulse {
  0%,
  100% {
    box-shadow: 0 0 20px rgba(201, 168, 76, 0.12);
    border-color: rgba(201, 168, 76, 0.55);
  }
  50% {
    box-shadow: 0 0 32px rgba(201, 168, 76, 0.3);
    border-color: rgba(201, 168, 76, 0.85);
  }
}

@keyframes dotPulse {
  0%,
  100% {
    opacity: 0.4;
    transform: scale(1);
  }
  50% {
    opacity: 1;
    transform: scale(1.3);
  }
}

/* ===== QUOTE PAGE SPACING FIX ===== */
#page-quote {
  padding-top: var(--space-md);
}

@keyframes knowledgeTodayPulse {
  0%,
  100% {
    box-shadow: 0 0 20px rgba(201, 168, 76, 0.1);
    border-color: rgba(201, 168, 76, 0.5);
  }
  50% {
    box-shadow: 0 0 32px rgba(201, 168, 76, 0.3);
    border-color: rgba(201, 168, 76, 0.8);
  }
}

@keyframes newBadgeShake {
  0%,
  85%,
  100% {
    transform: translateX(0);
  }
  88% {
    transform: translateX(-3px);
  }
  91% {
    transform: translateX(3px);
  }
  94% {
    transform: translateX(-2px);
  }
  97% {
    transform: translateX(2px);
  }
}

@keyframes wildTodayPulse {
  0%,
  100% {
    box-shadow: 0 0 20px rgba(107, 140, 255, 0.15);
    border-color: rgba(167, 139, 250, 0.5);
  }
  50% {
    box-shadow: 0 0 32px rgba(107, 140, 255, 0.35);
    border-color: rgba(167, 139, 250, 0.8);
  }
}

.home-welcome-card {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  background: rgba(201, 168, 76, 0.1);
  border: 1px solid rgba(201, 168, 76, 0.25);
  border-radius: var(--radius-md);
  padding: var(--space-md) var(--space-lg);
  margin-top: var(--space-md);
  opacity: 0;
  transform: translateY(-10px);
  transition:
    opacity 0.5s cubic-bezier(0.16, 1, 0.3, 1),
    transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.home-welcome-card.show {
  opacity: 1;
  transform: translateY(0);
}

.home-welcome-icon {
  font-size: 1.4rem;
  line-height: 1;
  flex-shrink: 0;
  animation: featherWiggle 3s ease-in-out infinite;
}

.home-welcome-text {
  font-family: var(--font-body);
  font-size: 0.85rem;
  color: var(--text-on-dark-2);
  font-weight: 300;
  line-height: 1.5;
  text-align: left;
}

.home-welcome-text span {
  color: var(--gold-light);
  font-weight: 700;
}

@keyframes featherWiggle {
  0%,
  100% {
    transform: rotate(-6deg);
  }
  50% {
    transform: rotate(6deg);
  }
}