/* ==========================================================================
   BPlus Online - Coming Soon Design System
   Exact recreation of modern architectural card layout with Turkish content
   ========================================================================== */

:root {
  --font-main: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Color Palette matching screenshot */
  --bg-page-gradient-start: #dbe7fc;
  --bg-page-gradient-mid: #eaf1fd;
  --bg-page-gradient-end: #d6e4fb;

  --color-navy: #131c38;
  --color-navy-hover: #1f2b52;
  --color-blue-primary: #2563eb;
  --color-blue-secondary: #3b82f6;
  --color-blue-light: #eff5ff;
  --color-blue-border: #bfdbfe;

  --color-text-title: #131c38;
  --color-text-body: #475569;
  --color-text-muted: #64748b;
  --color-text-light: #94a3b8;

  --card-bg: #ffffff;
  --card-radius: 36px;
  --card-shadow: 0 24px 64px -16px rgba(45, 75, 160, 0.16), 0 2px 6px rgba(0, 0, 0, 0.02);
  --card-border: 1px solid rgba(255, 255, 255, 0.85);

  --capsule-radius: 9999px;
  --capsule-shadow: 0 10px 32px rgba(30, 58, 138, 0.08);
  --capsule-border: 1px solid #e2e8f0;
}

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

body {
  font-family: var(--font-main);
  background: linear-gradient(135deg, var(--bg-page-gradient-start) 0%, var(--bg-page-gradient-mid) 50%, var(--bg-page-gradient-end) 100%);
  color: var(--color-text-body);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px 20px;
  position: relative;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* Background Atmospheric Glows & Dot Grids */
.bg-ambient {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.bg-glow-top-left {
  position: absolute;
  top: -150px;
  left: -150px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(165, 196, 252, 0.6) 0%, rgba(220, 233, 253, 0) 70%);
  filter: blur(40px);
}

.bg-glow-bottom-right {
  position: absolute;
  bottom: -150px;
  right: -150px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(175, 205, 253, 0.6) 0%, rgba(220, 233, 253, 0) 70%);
  filter: blur(50px);
}

/* Dot pattern grids matching screenshot */
.dot-grid-top-left {
  position: absolute;
  top: 40px;
  left: 40px;
  width: 140px;
  height: 140px;
  background-image: radial-gradient(#9bbcf5 1.5px, transparent 1.5px);
  background-size: 16px 16px;
  opacity: 0.7;
}

.dot-grid-bottom-right {
  position: absolute;
  bottom: 40px;
  right: 40px;
  width: 140px;
  height: 140px;
  background-image: radial-gradient(#9bbcf5 1.5px, transparent 1.5px);
  background-size: 16px 16px;
  opacity: 0.7;
}

/* ==================== MAIN FLOATING CARD ==================== */
.main-wrapper {
  width: 100%;
  max-width: 1120px;
  position: relative;
  z-index: 1;
}

.card-container {
  background: var(--card-bg);
  border-radius: var(--card-radius);
  box-shadow: var(--card-shadow);
  border: var(--card-border);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

/* ==================== HEADER & NAVBAR ==================== */
.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 32px 48px 16px 48px;
  position: relative;
  z-index: 10;
}

.brand-wrapper {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.brand-logo-img {
  width: 38px;
  height: 32px;
  display: block;
}

.brand-text {
  font-size: 20px;
  font-weight: 700;
  color: var(--color-navy);
  letter-spacing: -0.4px;
}

.brand-text span {
  font-weight: 400;
  color: var(--color-blue-primary);
}

/* Nav links */
.card-nav {
  display: flex;
  align-items: center;
  gap: 36px;
}

.nav-link {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color 0.2s ease;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px 0;
  position: relative;
}

.nav-link:hover {
  color: var(--color-navy);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 2px;
  background: var(--color-blue-primary);
  transition: width 0.2s ease;
  border-radius: 2px;
}

.nav-link:hover::after {
  width: 100%;
}

/* Action button */
.btn-header-action {
  background: var(--color-navy);
  color: #ffffff;
  font-family: var(--font-main);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  padding: 12px 28px;
  border-radius: var(--capsule-radius);
  border: none;
  cursor: pointer;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  text-decoration: none;
  box-shadow: 0 4px 12px rgba(19, 28, 56, 0.15);
}

.btn-header-action:hover {
  background: var(--color-navy-hover);
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(19, 28, 56, 0.22);
}

/* ==================== HERO SECTION ==================== */
.hero-section {
  position: relative;
  text-align: center;
  padding: 64px 32px 30px 32px;
  display: flex;
  flex-direction: column;
  align-items: center;
  z-index: 5;
}

/* Subtle arch gradient background in hero matching screenshot */
.hero-arch-bg {
  position: absolute;
  top: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 820px;
  height: 480px;
  background: radial-gradient(ellipse 65% 55% at 50% 60%, #edf4fe 0%, rgba(255, 255, 255, 0) 80%);
  pointer-events: none;
  z-index: -1;
  border-radius: 50% 50% 0 0;
}

/* Badge */
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: #eff6ff;
  border: 1px solid var(--color-blue-border);
  border-radius: var(--capsule-radius);
  color: var(--color-blue-primary);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.6px;
  text-transform: uppercase;
  margin-bottom: 20px;
  animation: pulseBadge 3s infinite ease-in-out;
}

@keyframes pulseBadge {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.02); }
}

/* Title matching screenshot layout */
.hero-title {
  font-size: 46px;
  line-height: 1.15;
  font-weight: 500;
  color: var(--color-text-title);
  letter-spacing: -1.2px;
  max-width: 780px;
  margin-bottom: 14px;
}

.hero-title strong {
  font-weight: 800;
  color: var(--color-navy);
}

.hero-description {
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text-muted);
  max-width: 600px;
  margin-bottom: 30px;
}

/* ==================== CAPSULE SUBSCRIBE BAR ==================== */
.subscribe-form-container {
  width: 100%;
  max-width: 640px;
  margin-bottom: 24px;
  position: relative;
  z-index: 10;
}

.capsule-bar {
  display: flex;
  align-items: center;
  background: #ffffff;
  border-radius: var(--capsule-radius);
  border: var(--capsule-border);
  box-shadow: var(--capsule-shadow);
  padding: 6px 6px 6px 20px;
  transition: all 0.25s ease;
}

.capsule-bar:focus-within {
  border-color: var(--color-blue-primary);
  box-shadow: 0 12px 36px rgba(37, 99, 235, 0.14);
}

.input-group {
  display: flex;
  align-items: center;
  flex: 1;
  gap: 12px;
}

.input-icon {
  width: 20px;
  height: 20px;
  color: var(--color-text-light);
  flex-shrink: 0;
}

.capsule-input {
  border: none;
  outline: none;
  background: transparent;
  width: 100%;
  font-family: var(--font-main);
  font-size: 15px;
  color: var(--color-navy);
}

.capsule-input::placeholder {
  color: var(--color-text-light);
  font-weight: 400;
}

/* Divider inside capsule */
.capsule-divider {
  width: 1px;
  height: 28px;
  background: #e2e8f0;
  margin: 0 14px;
}

/* Category select pill */
.select-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.capsule-select {
  border: none;
  outline: none;
  background: transparent;
  font-family: var(--font-main);
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text-body);
  cursor: pointer;
  padding-right: 22px;
  appearance: none;
  -webkit-appearance: none;
}

.select-chevron {
  position: absolute;
  right: 0;
  width: 14px;
  height: 14px;
  pointer-events: none;
  color: var(--color-text-muted);
}

/* Capsule Submit Button matching screenshot */
.btn-capsule-submit {
  background: var(--color-navy);
  color: #ffffff;
  font-family: var(--font-main);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  border-radius: var(--capsule-radius);
  border: none;
  padding: 14px 30px;
  cursor: pointer;
  margin-left: 10px;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  white-space: nowrap;
}

.btn-capsule-submit:hover {
  background: var(--color-navy-hover);
  transform: translateY(-1px);
}

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

/* Notification Feedback */
.form-message {
  margin-top: 12px;
  font-size: 14px;
  font-weight: 500;
  display: none;
  transition: all 0.3s ease;
}

.form-message.success {
  display: block;
  color: #059669;
}

.form-message.error {
  display: block;
  color: #dc2626;
}

/* ==================== COUNTDOWN SECTION ==================== */
.countdown-container {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 6px;
  margin-bottom: 12px;
}

.countdown-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 68px;
  padding: 8px 12px;
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.02);
}

.countdown-number {
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 700;
  color: var(--color-navy);
  line-height: 1.1;
}

.countdown-label {
  font-size: 11px;
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-top: 4px;
}

.countdown-separator {
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 700;
  color: var(--color-blue-secondary);
  margin-top: -12px;
}

/* ==================== CITYSCAPE SVG ILLUSTRATION ==================== */
.cityscape-container {
  width: 100%;
  margin-top: auto;
  position: relative;
  line-height: 0;
  overflow: hidden;
  border-bottom-left-radius: var(--card-radius);
  border-bottom-right-radius: var(--card-radius);
  pointer-events: none;
}

.cityscape-svg {
  width: 100%;
  height: auto;
  display: block;
  filter: drop-shadow(0 -4px 12px rgba(40, 70, 160, 0.03));
}

/* ==================== FOOTER ==================== */
.card-footer {
  background: #ffffff;
  padding: 16px 48px 24px 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-top: 1px solid #f1f5f9;
  font-size: 13px;
  color: var(--color-text-muted);
}

.footer-links {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  width: 100%;
}

.footer-link {
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color 0.2s ease;
}

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

/* ==================== MODALS ==================== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.55);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: all 0.25s ease;
  padding: 20px;
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal-card {
  background: #ffffff;
  border-radius: 24px;
  padding: 36px 40px;
  max-width: 540px;
  width: 100%;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  position: relative;
  transform: translateY(20px) scale(0.97);
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-overlay.active .modal-card {
  transform: translateY(0) scale(1);
}

.modal-close-btn {
  position: absolute;
  top: 20px;
  right: 20px;
  background: #f1f5f9;
  border: none;
  border-radius: 50%;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--color-text-muted);
  transition: all 0.2s ease;
}

.modal-close-btn:hover {
  background: #e2e8f0;
  color: var(--color-navy);
}

.modal-title {
  font-size: 22px;
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: 14px;
}

.modal-content {
  font-size: 15px;
  line-height: 1.6;
  color: var(--color-text-body);
}

.modal-content p {
  margin-bottom: 12px;
}

.modal-feature-list {
  list-style: none;
  margin: 16px 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.modal-feature-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--color-text-body);
}

.modal-feature-list li svg {
  color: var(--color-blue-primary);
  flex-shrink: 0;
}

/* ==================== RESPONSIVE DESIGN ==================== */
@media (max-width: 992px) {
  .card-header {
    padding: 24px 32px 12px 32px;
  }
  .card-nav {
    display: none; /* Mobile collapse */
  }
  .hero-title {
    font-size: 38px;
  }
  .hero-arch-bg {
    width: 600px;
    height: 380px;
  }
}

@media (max-width: 680px) {
  body {
    padding: 16px 12px;
  }
  .card-container {
    border-radius: 24px;
  }
  .card-header {
    padding: 20px 20px 10px 20px;
  }
  .hero-section {
    padding: 16px 16px 20px 16px;
  }
  .hero-title {
    font-size: 28px;
    letter-spacing: -0.6px;
  }
  .hero-description {
    font-size: 14px;
    margin-bottom: 24px;
  }
  .capsule-bar {
    flex-direction: column;
    border-radius: 20px;
    padding: 12px;
    gap: 10px;
  }
  .capsule-divider {
    display: none;
  }
  .input-group {
    width: 100%;
  }
  .select-wrapper {
    width: 100%;
    padding: 6px 0;
  }
  .capsule-select {
    width: 100%;
  }
  .btn-capsule-submit {
    width: 100%;
    margin-left: 0;
    padding: 12px;
  }
  .countdown-container {
    gap: 8px;
  }
  .countdown-box {
    min-width: 54px;
    padding: 6px 8px;
  }
  .countdown-number {
    font-size: 18px;
  }
  .countdown-label {
    font-size: 9px;
  }
  .countdown-separator {
    font-size: 16px;
  }
  .card-footer {
    padding: 14px 20px;
    flex-direction: column;
    gap: 10px;
    text-align: center;
  }
}