/* ============================================================
   SCRUPULOUS CLOUD — Coming Soon Landing Page
   Brand palette: Navy #1a2375 + Cyan #00c8d4 + Sky background
   ============================================================ */

/* --- TOKENS --- */
:root {
  /* Type Scale */
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl: clamp(2rem, 1.2rem + 2.5vw, 3.5rem);
  --text-3xl: clamp(2.5rem, 1rem + 4vw, 5rem);

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  /* Brand Colors */
  --navy: #1a2375;
  --navy-deep: #0f1550;
  --navy-mid: #2b3699;
  --cyan: #00c8d4;
  --cyan-hover: #00a8b4;
  --cyan-light: rgba(0, 200, 212, 0.15);
  --white: #ffffff;

  /* Light Mode Surfaces */
  --color-bg: #f0f6ff;
  --color-surface: #ffffff;
  --color-surface-2: #f8fbff;
  --color-border: rgba(26, 35, 117, 0.12);
  --color-text: #0d1240;
  --color-text-muted: #4a5490;
  --color-text-faint: #8892c8;
  --color-primary: var(--navy);
  --color-accent: var(--cyan);

  /* Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.875rem;
  --radius-xl: 1.25rem;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(26, 35, 117, 0.08);
  --shadow-md: 0 4px 16px rgba(26, 35, 117, 0.12);
  --shadow-lg: 0 12px 40px rgba(26, 35, 117, 0.18);

  /* Fonts */
  --font-display: 'Space Grotesk', 'Helvetica Neue', sans-serif;
  --font-body: 'Inter', 'Helvetica Neue', sans-serif;

  /* Transitions */
  --transition: 180ms cubic-bezier(0.16, 1, 0.3, 1);
}

/* Dark Mode */
[data-theme='dark'] {
  --color-bg: #080b24;
  --color-surface: #0f1340;
  --color-surface-2: #131748;
  --color-border: rgba(0, 200, 212, 0.15);
  --color-text: #dde2ff;
  --color-text-muted: #8892c8;
  --color-text-faint: #4a5490;
  --color-primary: var(--cyan);
  --color-accent: var(--cyan);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.5);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg: #080b24;
    --color-surface: #0f1340;
    --color-surface-2: #131748;
    --color-border: rgba(0, 200, 212, 0.15);
    --color-text: #dde2ff;
    --color-text-muted: #8892c8;
    --color-text-faint: #4a5490;
    --color-primary: var(--cyan);
    --color-accent: var(--cyan);
  }
}

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

html {
  -webkit-text-size-adjust: none;
  text-size-adjust: none;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
}

body {
  min-height: 100dvh;
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.6;
}

img, svg { display: block; max-width: 100%; }
h1, h2, h3, h4 { text-wrap: balance; line-height: 1.15; }
p { text-wrap: pretty; }
button { cursor: pointer; background: none; border: none; font: inherit; color: inherit; }

.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap; border-width: 0;
}

/* --- HEADER --- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-border);
  transition: background var(--transition), box-shadow var(--transition);
}

[data-theme='dark'] .site-header {
  background: rgba(8, 11, 36, 0.85);
}

.header-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: var(--space-3) var(--space-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo-link {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  color: var(--color-text);
}

.logo-img {
  width: 40px;
  height: 40px;
  object-fit: contain;
  border-radius: var(--radius-md);
}

.logo-wordmark {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-lg);
  color: var(--navy);
  letter-spacing: -0.02em;
}

[data-theme='dark'] .logo-wordmark {
  color: var(--color-text);
}

.logo-dot-cloud {
  color: var(--cyan);
}

.theme-toggle {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  color: var(--color-text-muted);
  transition: color var(--transition), background var(--transition);
}

.theme-toggle:hover {
  color: var(--color-text);
  background: var(--color-border);
}

/* --- HERO --- */
.hero {
  position: relative;
  min-height: calc(100dvh - 64px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(var(--space-16), 10vw, var(--space-24)) var(--space-6);
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('background.jpg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  opacity: 0.35;
  transition: opacity var(--transition);
}

[data-theme='dark'] .hero-bg {
  opacity: 0.12;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    160deg,
    rgba(240, 246, 255, 0.6) 0%,
    rgba(240, 246, 255, 0.3) 50%,
    rgba(0, 200, 212, 0.08) 100%
  );
}

[data-theme='dark'] .hero-overlay {
  background: linear-gradient(
    160deg,
    rgba(8, 11, 36, 0.7) 0%,
    rgba(8, 11, 36, 0.5) 50%,
    rgba(0, 200, 212, 0.05) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 720px;
  text-align: center;
}

/* Badge */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: var(--cyan-light);
  color: var(--navy-mid);
  border: 1px solid rgba(0, 200, 212, 0.35);
  padding: var(--space-1) var(--space-4) var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: var(--space-6);
}

[data-theme='dark'] .badge {
  background: rgba(0, 200, 212, 0.12);
  color: var(--cyan);
  border-color: rgba(0, 200, 212, 0.25);
}

.badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--cyan);
  animation: pulse-dot 2s ease-in-out infinite;
  flex-shrink: 0;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(0.85); }
}

/* Hero Typography */
.hero-heading {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 700;
  color: var(--navy);
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: var(--space-6);
}

[data-theme='dark'] .hero-heading {
  color: var(--color-text);
}

.hero-accent {
  font-style: normal;
  color: var(--cyan);
  display: inline-block;
  position: relative;
}

[data-theme='dark'] .hero-accent {
  color: var(--cyan);
}

.hero-sub {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: 560px;
  margin: 0 auto var(--space-10);
  line-height: 1.7;
}

[data-theme='dark'] .hero-sub {
  color: var(--color-text-muted);
}

/* Waitlist Form */
.waitlist-block {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8) var(--space-8);
  box-shadow: var(--shadow-lg);
  max-width: 520px;
  margin: 0 auto var(--space-6);
  text-align: left;
}

[data-theme='dark'] .waitlist-block {
  background: rgba(15, 19, 64, 0.9);
  border-color: rgba(0, 200, 212, 0.2);
}

.waitlist-label {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-4);
}

.waitlist-form { width: 100%; }

.form-row {
  display: flex;
  gap: var(--space-2);
}

.email-input {
  flex: 1;
  padding: var(--space-3) var(--space-4);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface-2);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: var(--text-base);
  transition: border-color var(--transition), box-shadow var(--transition);
  min-width: 0;
}

.email-input::placeholder {
  color: var(--color-text-faint);
}

.email-input:focus {
  outline: none;
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px rgba(0, 200, 212, 0.18);
}

[data-theme='dark'] .email-input {
  background: rgba(8, 11, 36, 0.6);
  border-color: rgba(0, 200, 212, 0.2);
  color: var(--color-text);
}

[data-theme='dark'] .email-input:focus {
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px rgba(0, 200, 212, 0.12);
}

.btn-primary {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  background: var(--navy);
  color: #ffffff;
  border-radius: var(--radius-md);
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 600;
  white-space: nowrap;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
  background: var(--navy-deep);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-primary:active {
  transform: translateY(0);
}

[data-theme='dark'] .btn-primary {
  background: var(--cyan);
  color: var(--navy-deep);
}

[data-theme='dark'] .btn-primary:hover {
  background: var(--cyan-hover);
}

.btn-icon {
  flex-shrink: 0;
  transition: transform var(--transition);
}

.btn-primary:hover .btn-icon {
  transform: translateX(3px);
}

.form-hint {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  margin-top: var(--space-3);
}

.form-success {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: #1a7a3d;
  font-size: var(--text-sm);
  font-weight: 500;
  margin-top: var(--space-3);
  padding: var(--space-3) var(--space-4);
  background: rgba(26, 122, 61, 0.08);
  border-radius: var(--radius-md);
  border: 1px solid rgba(26, 122, 61, 0.2);
}

[data-theme='dark'] .form-success {
  color: #6daa45;
  background: rgba(109, 170, 69, 0.1);
  border-color: rgba(109, 170, 69, 0.25);
}

.form-success[hidden] { display: none; }

.hero-also {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.also-link {
  color: var(--navy-mid);
  font-weight: 600;
  text-decoration: none;
  transition: color var(--transition);
}

.also-link:hover { color: var(--cyan); }

[data-theme='dark'] .also-link {
  color: var(--cyan);
}

/* --- FEATURES --- */
.features {
  padding: clamp(var(--space-16), 8vw, var(--space-24)) var(--space-6);
  background: var(--color-surface);
}

[data-theme='dark'] .features {
  background: var(--color-surface);
}

.features-inner {
  max-width: 1100px;
  margin: 0 auto;
}

.section-label {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: var(--space-4);
}

[data-theme='dark'] .section-label {
  color: var(--cyan);
}

.features-heading {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--navy);
  letter-spacing: -0.03em;
  margin-bottom: var(--space-4);
}

[data-theme='dark'] .features-heading {
  color: var(--color-text);
}

.features-sub {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: 560px;
  margin-bottom: var(--space-12);
  line-height: 1.7;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-5);
}

.feature-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.feature-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: rgba(0, 200, 212, 0.35);
}

[data-theme='dark'] .feature-card {
  background: var(--color-surface-2);
  border-color: var(--color-border);
}

[data-theme='dark'] .feature-card:hover {
  border-color: rgba(0, 200, 212, 0.4);
}

.feature-icon {
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--cyan-light);
  border-radius: var(--radius-lg);
  color: var(--navy-mid);
  margin-bottom: var(--space-5);
  transition: background var(--transition), color var(--transition);
}

[data-theme='dark'] .feature-icon {
  background: rgba(0, 200, 212, 0.12);
  color: var(--cyan);
}

.feature-card:hover .feature-icon {
  background: rgba(0, 200, 212, 0.25);
  color: var(--navy);
}

[data-theme='dark'] .feature-card:hover .feature-icon {
  background: rgba(0, 200, 212, 0.2);
  color: var(--cyan);
}

.feature-title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--navy);
  margin-bottom: var(--space-2);
}

[data-theme='dark'] .feature-title {
  color: var(--color-text);
}

.feature-desc {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.65;
}

/* --- CTA BOTTOM --- */
.cta-bottom {
  padding: clamp(var(--space-16), 8vw, var(--space-24)) var(--space-6);
  position: relative;
  overflow: hidden;
  background: var(--navy);
}

[data-theme='dark'] .cta-bottom {
  background: linear-gradient(135deg, #0a0e35 0%, #0f1a50 100%);
}

.cta-bottom::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url('background.jpg');
  background-size: cover;
  background-position: center;
  opacity: 0.08;
  pointer-events: none;
}

.cta-bottom::after {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 60%;
  height: 200%;
  background: radial-gradient(ellipse, rgba(0, 200, 212, 0.15) 0%, transparent 70%);
  pointer-events: none;
}

.cta-bottom-inner {
  position: relative;
  z-index: 1;
  max-width: 600px;
  margin: 0 auto;
  text-align: center;
}

.cta-bottom-logo {
  margin-bottom: var(--space-6);
  display: flex;
  justify-content: center;
}

.cta-logo-img {
  width: 72px;
  height: 72px;
  object-fit: contain;
  border-radius: var(--radius-lg);
  filter: brightness(1.1);
}

.cta-bottom-heading {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 700;
  color: #ffffff;
  letter-spacing: -0.025em;
  margin-bottom: var(--space-4);
}

.cta-bottom-sub {
  font-size: var(--text-base);
  color: rgba(255,255,255,0.65);
  margin-bottom: var(--space-8);
  line-height: 1.65;
}

.waitlist-form--inline .email-input {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.2);
  color: #ffffff;
}

.waitlist-form--inline .email-input::placeholder {
  color: rgba(255,255,255,0.4);
}

.waitlist-form--inline .email-input:focus {
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px rgba(0, 200, 212, 0.25);
  background: rgba(255,255,255,0.12);
}

.waitlist-form--inline .btn-primary {
  background: var(--cyan);
  color: var(--navy-deep);
}

.waitlist-form--inline .btn-primary:hover {
  background: var(--cyan-hover);
}

.waitlist-form--inline .form-success {
  color: #a5f5e0;
  background: rgba(165, 245, 224, 0.12);
  border-color: rgba(165, 245, 224, 0.2);
}

/* --- FOOTER --- */
.site-footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding: var(--space-8) var(--space-6);
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
  text-align: center;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.footer-logo-img {
  width: 24px;
  height: 24px;
  object-fit: contain;
  border-radius: 4px;
}

.footer-wordmark {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--navy);
  letter-spacing: -0.01em;
}

[data-theme='dark'] .footer-wordmark {
  color: var(--color-text);
}

.footer-dot-cloud {
  color: var(--cyan);
}

.footer-links {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-wrap: wrap;
  justify-content: center;
}

.footer-link {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color var(--transition);
}

.footer-link:hover {
  color: var(--cyan);
}

.footer-sep {
  color: var(--color-text-faint);
}

.footer-copy {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}

/* --- RESPONSIVE --- */
@media (max-width: 600px) {
  .header-inner {
    padding: var(--space-3) var(--space-4);
  }

  .logo-wordmark {
    font-size: var(--text-base);
  }

  .waitlist-block {
    padding: var(--space-6);
  }

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

  .btn-primary {
    width: 100%;
    justify-content: center;
  }

  .hero-heading {
    font-size: clamp(2rem, 8vw, 3.5rem);
  }

  .features-grid {
    grid-template-columns: 1fr;
  }
}

/* --- ANIMATIONS --- */
@media (prefers-reduced-motion: no-preference) {
  .hero-content {
    animation: fadeUp 0.7s cubic-bezier(0.16, 1, 0.3, 1) both;
  }

  .feature-card {
    animation: fadeUp 0.5s cubic-bezier(0.16, 1, 0.3, 1) both;
  }

  .feature-card:nth-child(1) { animation-delay: 0.05s; }
  .feature-card:nth-child(2) { animation-delay: 0.1s; }
  .feature-card:nth-child(3) { animation-delay: 0.15s; }
  .feature-card:nth-child(4) { animation-delay: 0.2s; }
  .feature-card:nth-child(5) { animation-delay: 0.25s; }
  .feature-card:nth-child(6) { animation-delay: 0.3s; }
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}