/* ==========================================================================
   Remodeling City - Master Scrollytelling Design System & Stylesheet
   ========================================================================== */

/* ── 1. Tokens & Color Palette ────────────────────────────────────────────── */
:root {
  /* Editorial Fog Light Mode (Default) */
  --bg-color: #e8e8e8;
  --bg-gradient: radial-gradient(circle at 50% 45%, #f2f2f2 0%, #e6e6e6 75%, #dddddd 100%);
  --fog-glow: rgba(255, 255, 255, 0.45);
  
  --text-heading: rgba(0, 0, 0, 0.92);
  --text-body: rgba(0, 0, 0, 0.62);
  --text-muted: rgba(0, 0, 0, 0.45);

  --accent-gold: #c89a3c;
  --accent-gold-dark: #a97e28;
  --accent-gold-glow: rgba(200, 154, 60, 0.22);
  --accent-gold-subtle: rgba(200, 154, 60, 0.08);

  --card-bg: rgba(255, 255, 255, 0.72);
  --card-border: rgba(0, 0, 0, 0.08);
  --card-shadow: 0 24px 60px rgba(0, 0, 0, 0.06);

  --pill-bg: rgba(0, 0, 0, 0.05);
  --pill-border: rgba(0, 0, 0, 0.09);
  --pill-text: rgba(0, 0, 0, 0.78);

  --input-bg: rgba(255, 255, 255, 0.92);
  --input-border: rgba(0, 0, 0, 0.12);
  --input-text: #111827;

  --nav-bg: rgba(232, 232, 232, 0.85);
  --nav-border: rgba(0, 0, 0, 0.06);

  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-serif: 'Playfair Display', Georgia, serif;
}

/* Velvet Dark Theme */
body:not(.theme-light) {
  --bg-color: #0d0f13;
  --bg-gradient: radial-gradient(circle at 50% 45%, #181b22 0%, #0d0f13 80%, #080a0c 100%);
  --fog-glow: rgba(200, 154, 60, 0.08);

  --text-heading: rgba(255, 255, 255, 0.95);
  --text-body: rgba(255, 255, 255, 0.65);
  --text-muted: rgba(255, 255, 255, 0.45);

  --card-bg: rgba(20, 24, 32, 0.75);
  --card-border: rgba(255, 255, 255, 0.08);
  --card-shadow: 0 24px 60px rgba(0, 0, 0, 0.6);

  --pill-bg: rgba(255, 255, 255, 0.06);
  --pill-border: rgba(255, 255, 255, 0.12);
  --pill-text: rgba(255, 255, 255, 0.85);

  --input-bg: rgba(14, 17, 23, 0.88);
  --input-border: rgba(255, 255, 255, 0.14);
  --input-text: #f9fafb;

  --nav-bg: rgba(13, 15, 19, 0.85);
  --nav-border: rgba(255, 255, 255, 0.06);
}

/* ── 2. Reset & Base ──────────────────────────────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  background-color: var(--bg-color);
}

body {
  font-family: var(--font-sans);
  background: var(--bg-color);
  background-image: var(--bg-gradient);
  background-attachment: fixed;
  color: var(--text-body);
  min-height: 100vh;
  overflow-x: hidden;
  line-height: 1.6;
  letter-spacing: -0.01em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background-color 0.4s ease, color 0.4s ease;
}

/* ── 3. Preloader ─────────────────────────────────────────────────────────── */
.preloader {
  position: fixed;
  inset: 0;
  background: var(--bg-color);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.6s;
}

.preloader.fade-out {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.preloader-content {
  text-align: center;
  max-width: 320px;
  width: 90%;
}

.preloader-spinner {
  width: 32px;
  height: 32px;
  border: 2px solid rgba(0, 0, 0, 0.1);
  border-top-color: var(--accent-gold);
  border-radius: 50%;
  margin: 0 auto 16px;
  animation: spin 0.9s linear infinite;
}

body:not(.theme-light) .preloader-spinner {
  border-color: rgba(255, 255, 255, 0.1);
  border-top-color: var(--accent-gold);
}

.preloader-text {
  font-size: 0.88rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--text-heading);
  margin-bottom: 14px;
}

.preloader-bar {
  width: 100%;
  height: 3px;
  background: rgba(0, 0, 0, 0.08);
  border-radius: 2px;
  overflow: hidden;
}

body:not(.theme-light) .preloader-bar {
  background: rgba(255, 255, 255, 0.08);
}

.preloader-progress {
  width: 0%;
  height: 100%;
  background: var(--accent-gold);
  transition: width 0.25s ease;
}

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

/* ── 4. Navigation & Top Bar ─────────────────────────────────────────────── */
.top-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 72px;
  padding: 0 clamp(20px, 4vw, 48px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--nav-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--nav-border);
  z-index: 100;
  transition: background 0.3s ease;
}

.nav-brand {
  display: flex;
  flex-direction: column;
  text-decoration: none;
}

.brand-name {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-heading);
  letter-spacing: -0.02em;
}

.brand-tag {
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--text-muted);
  font-weight: 600;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.theme-btn {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 1px solid var(--card-border);
  background: transparent;
  color: var(--text-heading);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.theme-btn:hover {
  transform: scale(1.06);
  border-color: var(--accent-gold);
}

body.theme-light .sun-icon,
body:not(.theme-light) .moon-icon {
  display: block;
}

body.theme-light .moon-icon,
body:not(.theme-light) .sun-icon {
  display: none;
}

.nav-cta-btn {
  padding: 9px 18px;
  background: var(--text-heading);
  color: var(--bg-color);
  border-radius: 9999px;
  font-size: 0.84rem;
  font-weight: 600;
  text-decoration: none;
  letter-spacing: 0.2px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.nav-cta-btn:hover {
  transform: translateY(-1px);
  opacity: 0.9;
}

/* Scroll Progress Line */
.scroll-progress-line {
  position: fixed;
  top: 72px;
  left: 0;
  height: 2px;
  width: 0%;
  background: var(--accent-gold);
  z-index: 101;
  transition: width 0.05s linear;
}

/* ── 5. Scrollytelling Container & Sticky Viewport ────────────────────────── */
.scrolly-container {
  position: relative;
  height: 400vh; /* 400vh scroll runway */
  width: 100%;
}

.sticky-viewport {
  position: sticky;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

#scrollyCanvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  pointer-events: none;
}

/* Seamless Edge Fog & Vignette Overlays */
.fog-ambient-glow {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 50%, transparent 40%, var(--bg-color) 92%);
  z-index: 2;
  pointer-events: none;
  opacity: 0.75;
}

.fog-vignette {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, var(--bg-color) 0%, transparent 15%, transparent 85%, var(--bg-color) 100%);
  z-index: 2;
  pointer-events: none;
}

/* ── 6. Story Beats (Overlays) ────────────────────────────────────────────── */
.story-beat {
  position: absolute;
  z-index: 10;
  max-width: 580px;
  padding: 0 clamp(20px, 4vw, 40px);
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.55s cubic-bezier(0.16, 1, 0.3, 1), transform 0.55s cubic-bezier(0.16, 1, 0.3, 1);
  pointer-events: none;
}

.story-beat.active {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

/* Beat 1: Intro (Centered) */
.beat-intro {
  text-align: center;
  top: 20%;
}

/* Beat 2: Foundations (Left-aligned) */
.beat-foundations {
  left: clamp(20px, 6vw, 80px);
  top: 28%;
  text-align: left;
}

/* Beat 3: Systems (Right-aligned) */
.beat-systems {
  right: clamp(20px, 6vw, 80px);
  top: 28%;
  text-align: right;
}

/* Beat 4: Crafted Perfection (Centered Bottom) */
.beat-perfection {
  text-align: center;
  bottom: 12%;
  max-width: 680px;
}

.badge-pill {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--accent-gold-dark);
  background: var(--accent-gold-subtle);
  border: 1px solid var(--accent-gold-glow);
  padding: 5px 14px;
  border-radius: 9999px;
  margin-bottom: 16px;
}

body:not(.theme-light) .badge-pill {
  color: var(--accent-gold);
}

.beat-title {
  font-family: var(--font-serif);
  font-size: clamp(2.4rem, 4.5vw, 3.8rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--text-heading);
  line-height: 1.12;
  margin-bottom: 12px;
}

.beat-sub {
  font-size: clamp(1rem, 1.6vw, 1.25rem);
  font-weight: 400;
  color: var(--text-body);
  line-height: 1.5;
  margin-bottom: 24px;
}

.scroll-indicator {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  color: var(--text-muted);
  font-weight: 500;
  margin-top: 18px;
  animation: floatDown 2s ease-in-out infinite;
}

@keyframes floatDown {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(6px); }
}

.feature-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 14px;
}

.feature-pills.align-right {
  justify-content: flex-end;
}

.pill {
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--pill-text);
  background: var(--pill-bg);
  border: 1px solid var(--pill-border);
  padding: 6px 14px;
  border-radius: 9999px;
  backdrop-filter: blur(10px);
}

.beat-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

.primary-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 28px;
  background: var(--accent-gold);
  color: #0d0f13;
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: 9999px;
  box-shadow: 0 8px 24px var(--accent-gold-glow);
  transition: transform 0.25s ease, box-shadow 0.25s ease, background-color 0.25s ease;
}

.primary-btn:hover {
  transform: translateY(-2px);
  background: #d4a747;
  box-shadow: 0 12px 30px var(--accent-gold-glow);
}

.phone-link-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 22px;
  background: var(--pill-bg);
  border: 1px solid var(--pill-border);
  border-radius: 9999px;
  color: var(--text-heading);
  font-size: 0.92rem;
  font-weight: 600;
  text-decoration: none;
  backdrop-filter: blur(12px);
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.phone-link-btn:hover {
  border-color: var(--accent-gold);
  transform: translateY(-2px);
}

/* ── 7. Post-Scroll Content (Values & Form) ───────────────────────────────── */
.content-wrapper {
  position: relative;
  z-index: 20;
  background: var(--bg-color);
  padding: 80px 24px 100px;
  max-width: 1200px;
  margin: 0 auto;
}

.value-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
  margin-bottom: 90px;
}

.value-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 16px;
  padding: 32px 28px;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: var(--card-shadow);
  transition: transform 0.3s ease, border-color 0.3s ease;
}

.value-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent-gold);
}

.value-num {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--accent-gold);
  margin-bottom: 12px;
}

.value-card h3 {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-heading);
  margin-bottom: 8px;
}

.value-card p {
  font-size: 0.88rem;
  color: var(--text-body);
  line-height: 1.6;
}

/* ── 8. Form Section ──────────────────────────────────────────────────────── */
.form-container {
  max-width: 760px;
  margin: 0 auto;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 24px;
  padding: clamp(28px, 5vw, 54px);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  box-shadow: var(--card-shadow);
}

.form-header-block {
  text-align: center;
  margin-bottom: 36px;
}

.section-heading {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  font-weight: 700;
  color: var(--text-heading);
  letter-spacing: -0.02em;
  margin-bottom: 10px;
}

.section-sub {
  font-size: 0.95rem;
  color: var(--text-body);
  max-width: 580px;
  margin: 0 auto;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px 20px;
  margin-bottom: 24px;
}

.input-field {
  display: flex;
  flex-direction: column;
}

.input-field.full-span {
  grid-column: 1 / -1;
}

.input-field label {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.2px;
  color: var(--text-heading);
  margin-bottom: 6px;
}

.input-field input,
.input-field select,
.input-field textarea {
  width: 100%;
  background: var(--input-bg);
  border: 1px solid var(--input-border);
  border-radius: 10px;
  padding: 13px 15px;
  font-family: var(--font-sans);
  font-size: 0.92rem;
  color: var(--input-text);
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.input-field select {
  appearance: none;
  background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23666666' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-position: right 14px center;
  background-size: 15px;
  padding-right: 38px;
}

.input-field textarea {
  resize: vertical;
  min-height: 80px;
}

.input-field input:focus,
.input-field select:focus,
.input-field textarea:focus {
  border-color: var(--accent-gold);
  box-shadow: 0 0 0 3px var(--accent-gold-glow);
}

.field-error {
  font-size: 0.74rem;
  color: #ef4444;
  margin-top: 4px;
  min-height: 14px;
}

.input-field.has-error input,
.input-field.has-error select,
.input-field.has-error textarea {
  border-color: #ef4444;
}

.form-submit-btn {
  width: 100%;
  padding: 16px 28px;
  background: var(--accent-gold);
  border: none;
  border-radius: 12px;
  color: #0d0f13;
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.3px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  box-shadow: 0 8px 24px var(--accent-gold-glow);
  transition: transform 0.2s ease, box-shadow 0.2s ease, opacity 0.2s ease;
}

.form-submit-btn:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 12px 30px var(--accent-gold-glow);
}

.form-submit-btn:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}

.btn-spinner {
  display: none;
  width: 18px;
  height: 18px;
  border: 2px solid #0d0f13;
  border-top-color: transparent;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

.form-submit-btn.loading .btn-text {
  opacity: 0.7;
}

.form-submit-btn.loading .btn-spinner {
  display: inline-block;
}

.form-feedback-box {
  display: none;
  padding: 14px 18px;
  border-radius: 10px;
  font-size: 0.9rem;
  margin-top: 18px;
  text-align: center;
  line-height: 1.5;
}

.form-feedback-box.success {
  display: block;
  background: rgba(34, 197, 94, 0.12);
  border: 1px solid rgba(34, 197, 94, 0.35);
  color: #16a34a;
}

body:not(.theme-light) .form-feedback-box.success {
  color: #4ade80;
}

.form-feedback-box.error {
  display: block;
  background: rgba(239, 68, 68, 0.12);
  border: 1px solid rgba(239, 68, 68, 0.35);
  color: #dc2626;
}

body:not(.theme-light) .form-feedback-box.error {
  color: #f87171;
}

.form-footer-info {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 24px;
  padding-top: 18px;
  border-top: 1px solid var(--card-border);
  gap: 12px;
}

.share-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: transparent;
  border: 1px solid var(--card-border);
  border-radius: 8px;
  color: var(--text-body);
  font-size: 0.78rem;
  font-weight: 500;
  padding: 6px 12px;
  cursor: pointer;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.share-btn:hover {
  color: var(--accent-gold);
  border-color: var(--accent-gold);
}

.privacy-text {
  font-size: 0.76rem;
  color: var(--text-muted);
}

/* ── 9. Footer ────────────────────────────────────────────────────────────── */
.site-footer {
  border-top: 1px solid var(--card-border);
  padding: 48px 24px;
  background: var(--nav-bg);
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
}

.footer-logo {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-heading);
}

.footer-tagline {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.footer-links p {
  font-size: 0.82rem;
  color: var(--text-muted);
}

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

/* ── 10. Responsive Breakpoints ───────────────────────────────────────────── */
@media (max-width: 800px) {
  .form-grid {
    grid-template-columns: 1fr;
  }

  .beat-foundations, .beat-systems {
    position: absolute;
    left: 50% !important;
    right: auto !important;
    transform: translate(-50%, 20px);
    text-align: center;
    width: 90%;
  }

  .story-beat.active.beat-foundations,
  .story-beat.active.beat-systems {
    transform: translate(-50%, 0);
  }

  .feature-pills, .feature-pills.align-right {
    justify-content: center;
  }

  .form-footer-info {
    flex-direction: column;
    align-items: flex-start;
  }
}