/* ============================================
   SOLMY - Design System & Styles
   ============================================ */

/* --- CSS Custom Properties --- */
:root {
  /* Colors */
  --color-bg: #f7f7f7;
  --color-bg-elevated: #ffffff;
  --color-bg-card: #ffffff;
  --color-bg-card-hover: rgba(11, 20, 64, 0.025);
  --color-surface: #ffffff;
  --color-border: rgba(11, 20, 64, 0.08);
  --color-border-hover: rgba(11, 20, 64, 0.16);
  --color-input-bg: #f3f4f7;

  --color-text-primary: #0b1440;
  --color-text-secondary: #5b6072;
  --color-text-muted: #9297aa;

  --color-accent-1: #0561fd;
  --color-accent-2: #a855f7;
  --color-accent-3: #ec4899;
  --color-accent-4: #06b6d4;
  --color-accent-orange: #fb8c1a;

  --color-accent-1-rgb: 5, 97, 253;
  --color-accent-2-rgb: 168, 85, 247;
  --color-accent-3-rgb: 236, 72, 153;
  --color-accent-4-rgb: 6, 182, 212;
  --color-accent-orange-rgb: 251, 140, 26;
  --color-ink-rgb: 11, 20, 64;

  --gradient-primary: linear-gradient(135deg, #0561fd 0%, #a855f7 50%, #ec4899 100%);
  --gradient-text: linear-gradient(135deg, #0453d6 0%, #8b3ce0 45%, #d6317f 100%);
  --gradient-card-1: linear-gradient(135deg, rgba(var(--color-accent-1-rgb), 0.14), rgba(var(--color-accent-1-rgb), 0.02));
  --gradient-card-2: linear-gradient(135deg, rgba(var(--color-accent-2-rgb), 0.14), rgba(var(--color-accent-2-rgb), 0.02));
  --gradient-card-3: linear-gradient(135deg, rgba(var(--color-accent-4-rgb), 0.14), rgba(var(--color-accent-4-rgb), 0.02));
  --gradient-card-4: linear-gradient(135deg, rgba(var(--color-accent-3-rgb), 0.14), rgba(var(--color-accent-3-rgb), 0.02));

  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 2rem;
  --font-size-4xl: 2.75rem;
  --font-size-5xl: 3.5rem;
  --font-size-hero: clamp(2.5rem, 6vw, 4.5rem);

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

  /* Borders */
  --radius-sm: 0.5rem;
  --radius-md: 0.75rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(11, 20, 64, 0.06);
  --shadow-md: 0 6px 16px rgba(11, 20, 64, 0.08);
  --shadow-lg: 0 16px 48px rgba(11, 20, 64, 0.1);
  --shadow-glow: 0 0 40px rgba(var(--color-accent-2-rgb), 0.14);
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-family);
  background-color: var(--color-bg);
  color: var(--color-text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
}

a {
  text-decoration: none;
  color: inherit;
}

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

input, select, button, textarea {
  font-family: inherit;
  font-size: inherit;
}

/* --- Animated Background Blobs --- */
.bg-blobs {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.5;
  animation: blobFloat 20s ease-in-out infinite;
}

.blob-1 {
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(var(--color-accent-1-rgb), 0.18), transparent 70%);
  top: -10%;
  left: -10%;
  animation-delay: 0s;
}

.blob-2 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(var(--color-accent-2-rgb), 0.16), transparent 70%);
  top: 40%;
  right: -10%;
  animation-delay: -7s;
}

.blob-3 {
  width: 450px;
  height: 450px;
  background: radial-gradient(circle, rgba(var(--color-accent-3-rgb), 0.14), transparent 70%);
  bottom: -5%;
  left: 30%;
  animation-delay: -14s;
}

@keyframes blobFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  25% { transform: translate(30px, -50px) scale(1.05); }
  50% { transform: translate(-20px, 20px) scale(0.95); }
  75% { transform: translate(40px, 30px) scale(1.02); }
}

/* --- Utility Classes --- */
.text-gradient {
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-label {
  display: inline-block;
  font-size: var(--font-size-sm);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent-2);
  margin-bottom: var(--space-md);
}

.section-title {
  font-size: var(--font-size-4xl);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-lg);
}

/* --- Navbar --- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: var(--space-md) 0;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  background: rgba(247, 247, 247, 0.7);
  border-bottom: 1px solid var(--color-border);
  transition: var(--transition-base);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-xl);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.55rem;
}

.nav-logo-icon {
  width: 34px;
  height: 34px;
  border-radius: 9px;
  object-fit: cover;
}

.nav-logo-text {
  font-size: var(--font-size-xl);
  font-weight: 800;
  letter-spacing: 0.05em;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-cta {
  padding: 0.6rem 1.4rem;
  font-size: var(--font-size-sm);
  font-weight: 600;
  border-radius: var(--radius-full);
  background: var(--gradient-primary);
  color: #fff;
  transition: var(--transition-base);
  box-shadow: 0 2px 12px rgba(var(--color-accent-1-rgb), 0.3);
}

.nav-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(var(--color-accent-1-rgb), 0.45);
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 0.85rem 2rem;
  font-size: var(--font-size-base);
  font-weight: 600;
  border-radius: var(--radius-full);
  border: none;
  cursor: pointer;
  transition: var(--transition-base);
  text-align: center;
  justify-content: center;
}

.btn-primary {
  background: var(--gradient-primary);
  color: #fff;
  box-shadow: 0 4px 20px rgba(var(--color-accent-1-rgb), 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(var(--color-accent-1-rgb), 0.45);
}

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

.btn-ghost {
  background: transparent;
  color: var(--color-text-secondary);
  border: 1px solid var(--color-border);
}

.btn-ghost:hover {
  background: rgba(var(--color-ink-rgb), 0.04);
  color: var(--color-text-primary);
  border-color: var(--color-border-hover);
}

/* --- Hero Section --- */
.hero {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 80px;
}

.hero-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--space-4xl) var(--space-xl);
  text-align: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 0.5rem 1.25rem;
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text-secondary);
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-sm);
  margin-bottom: var(--space-2xl);
  animation: fadeInUp 0.6s ease-out;
}

.badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-accent-orange);
  box-shadow: 0 0 8px var(--color-accent-orange);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 8px var(--color-accent-orange); }
  50% { opacity: 0.5; box-shadow: 0 0 20px var(--color-accent-orange); }
}

.hero-title {
  font-size: var(--font-size-hero);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.03em;
  margin-bottom: var(--space-xl);
  animation: fadeInUp 0.6s ease-out 0.1s both;
}

.hero-title-gradient {
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  max-width: 580px;
  margin: 0 auto var(--space-2xl);
  line-height: 1.7;
  animation: fadeInUp 0.6s ease-out 0.2s both;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  animation: fadeInUp 0.6s ease-out 0.3s both;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* --- Features Section --- */
.features {
  position: relative;
  z-index: 1;
  padding: var(--space-4xl) 0;
}

.features-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-xl);
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-3xl);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
}

.feature-card {
  position: relative;
  padding: var(--space-2xl) var(--space-xl);
  border-radius: var(--radius-xl);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  transition: var(--transition-slow);
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-xl);
  opacity: 0;
  transition: var(--transition-slow);
}

.feature-card:nth-child(1)::before { background: var(--gradient-card-1); }
.feature-card:nth-child(2)::before { background: var(--gradient-card-2); }
.feature-card:nth-child(3)::before { background: var(--gradient-card-3); }
.feature-card:nth-child(4)::before { background: var(--gradient-card-4); }

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

.feature-card:hover::before {
  opacity: 1;
}

.feature-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-lg);
}

.feature-icon-1 { background: rgba(var(--color-accent-1-rgb), 0.14); color: var(--color-accent-1); }
.feature-icon-2 { background: rgba(var(--color-accent-2-rgb), 0.14); color: var(--color-accent-2); }
.feature-icon-3 { background: rgba(var(--color-accent-4-rgb), 0.14); color: var(--color-accent-4); }
.feature-icon-4 { background: rgba(var(--color-accent-3-rgb), 0.14); color: var(--color-accent-3); }

.feature-title {
  font-size: var(--font-size-xl);
  font-weight: 700;
  margin-bottom: var(--space-sm);
  letter-spacing: -0.01em;
}

.feature-desc {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: 1.7;
}

/* --- Waitlist Section --- */
.waitlist {
  position: relative;
  z-index: 1;
  padding: var(--space-4xl) 0;
}

.waitlist-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-xl);
}

.waitlist-content {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--space-3xl);
  align-items: start;
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-3xl);
  box-shadow: var(--shadow-lg);
}

.waitlist-desc {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: var(--space-md);
}

.waitlist-privacy {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  margin-bottom: var(--space-xl);
}

.perks-title {
  font-size: var(--font-size-sm);
  font-weight: 600;
  margin-bottom: var(--space-md);
  color: var(--color-text-secondary);
}

.perks-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.perk-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.perk-item svg {
  color: var(--color-accent-2);
  flex-shrink: 0;
}

/* --- Form Styles --- */
.waitlist-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
}

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

.form-group label {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text-secondary);
}

.form-group input,
.form-group select {
  padding: 0.75rem 1rem;
  background: var(--color-input-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text-primary);
  outline: none;
  transition: var(--transition-fast);
  appearance: none;
  -webkit-appearance: none;
}

.form-group select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%235b6072' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
  cursor: pointer;
}

.form-group select option {
  background: var(--color-bg-elevated);
  color: var(--color-text-primary);
}

.form-group input::placeholder {
  color: var(--color-text-muted);
}

.form-group input:focus,
.form-group select:focus {
  border-color: var(--color-accent-1);
  box-shadow: 0 0 0 3px rgba(var(--color-accent-1-rgb), 0.15);
}

.phone-input {
  display: flex;
  gap: 0;
}

.country-code-select {
  flex-shrink: 0;
  width: 110px;
  border-radius: var(--radius-md) 0 0 var(--radius-md) !important;
  border-right: none !important;
  font-size: var(--font-size-sm);
  padding: 0.75rem 0.75rem !important;
  background-position: right 0.5rem center !important;
  padding-right: 2rem !important;
}

.phone-input input {
  flex: 1;
  border-radius: 0 var(--radius-md) var(--radius-md) 0 !important;
  padding: 0.75rem 1rem;
  background: var(--color-input-bg);
  border: 1px solid var(--color-border);
  color: var(--color-text-primary);
  outline: none;
  transition: var(--transition-fast);
}

.phone-input input:focus {
  border-color: var(--color-accent-1);
  box-shadow: 0 0 0 3px rgba(var(--color-accent-1-rgb), 0.15);
}

.phone-input input::placeholder {
  color: var(--color-text-muted);
}

.btn-submit {
  width: 100%;
  padding: 1rem;
  font-size: var(--font-size-base);
  margin-top: var(--space-sm);
}

/* --- Footer --- */
.footer {
  position: relative;
  z-index: 1;
  padding: var(--space-3xl) 0 var(--space-xl);
  border-top: 1px solid var(--color-border);
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-xl);
}

.footer-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-xl);
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 0.55rem;
}

.footer-logo-icon {
  width: 30px;
  height: 30px;
  border-radius: 8px;
  object-fit: cover;
}

.footer-logo-text {
  font-size: var(--font-size-xl);
  font-weight: 800;
  letter-spacing: 0.05em;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.footer-tagline {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin-top: var(--space-xs);
}

.footer-links {
  display: flex;
  gap: var(--space-xl);
}

.footer-link {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  transition: var(--transition-fast);
}

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

.footer-bottom {
  padding-top: var(--space-xl);
  border-top: 1px solid var(--color-border);
}

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

/* --- Toast --- */
.toast {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%) translateY(120px);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 1rem 1.5rem;
  background: var(--color-bg-elevated);
  border: 1px solid rgba(var(--color-accent-2-rgb), 0.3);
  border-radius: var(--radius-lg);
  box-shadow: 0 8px 32px rgba(11, 20, 64, 0.16), 0 0 20px rgba(var(--color-accent-1-rgb), 0.1);
  z-index: 200;
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text-primary);
  opacity: 0;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  pointer-events: none;
}

.toast svg {
  color: #22c55e;
  flex-shrink: 0;
}

.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
  pointer-events: auto;
}

/* --- Scroll Reveal Animation --- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease-out, transform 0.7s ease-out;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* --- Responsive --- */
@media (max-width: 1024px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .waitlist-content {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }

  .section-title {
    font-size: var(--font-size-3xl);
  }
}

@media (max-width: 768px) {
  .hero-container {
    padding: var(--space-3xl) var(--space-lg);
  }

  .hero-title {
    font-size: clamp(2rem, 8vw, 3rem);
  }

  .hero-actions {
    flex-direction: column;
    width: 100%;
  }

  .hero-actions .btn {
    width: 100%;
  }

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

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

  .form-row {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }

  .waitlist-content {
    padding: var(--space-xl);
  }

  .footer-top {
    flex-direction: column;
    gap: var(--space-lg);
    text-align: center;
  }

  .footer-links {
    gap: var(--space-lg);
  }

  .section-title {
    font-size: var(--font-size-2xl);
  }
}

@media (max-width: 480px) {
  .nav-container {
    padding: 0 var(--space-md);
  }

  .features-container,
  .waitlist-container,
  .footer-container {
    padding: 0 var(--space-md);
  }

  .waitlist-content {
    padding: var(--space-lg);
  }

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

  .country-code-select {
    width: 100%;
    border-radius: var(--radius-md) !important;
    border-right: 1px solid var(--color-border) !important;
    margin-bottom: var(--space-sm);
  }

  .phone-input input {
    border-radius: var(--radius-md) !important;
  }
}