/* =============================================================
   landing.css — Styles for index.html (landing page)
   Sections: Navbar, Hero, Tools, FAQ, Footer
   ============================================================= */


/* ================================================================
   NAVBAR
   ================================================================ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--navbar-height);
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  transition: box-shadow var(--transition-base);
}

/* Add shadow when user scrolls down */
.navbar.scrolled {
  box-shadow: var(--shadow-md);
}

.navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

/* Logo */
.navbar__logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  text-decoration: none;
}

.navbar__logo-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.navbar__logo-icon svg {
  width: 20px;
  height: 20px;
  fill: #ffffff;
}

.navbar__logo-text {
  font-size: var(--font-size-lg);
  font-weight: 800;
  color: var(--color-text-primary);
  letter-spacing: -0.025em;
}

.navbar__logo-text span {
  color: var(--color-primary);
}

/* Desktop Navigation Links */
.navbar__nav {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.navbar__nav-link {
  padding: var(--space-2) var(--space-4);
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text-secondary);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  text-decoration: none;
}

.navbar__nav-link:hover {
  color: var(--color-text-primary);
  background: var(--color-surface-2);
}

.navbar__nav-link.active {
  color: var(--color-primary);
  background: var(--color-primary-light);
}

/* CTA Button in Navbar */
.navbar__cta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

/* Hamburger menu (mobile only) */
.navbar__hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
  border-radius: var(--radius-md);
  transition: background var(--transition-fast);
}

.navbar__hamburger:hover {
  background: var(--color-surface-2);
}

.navbar__hamburger-line {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-text-primary);
  border-radius: 2px;
  transition: all var(--transition-base);
}

/* Hamburger open state animation */
.navbar__hamburger.open .navbar__hamburger-line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.navbar__hamburger.open .navbar__hamburger-line:nth-child(2) {
  opacity: 0;
}
.navbar__hamburger.open .navbar__hamburger-line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile Menu Dropdown */
.navbar__mobile-menu {
  display: none;
  position: fixed;
  top: var(--navbar-height);
  left: 0;
  right: 0;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-lg);
  padding: var(--space-4) var(--space-6);
  flex-direction: column;
  gap: var(--space-2);
  z-index: 999;
}

.navbar__mobile-menu.open {
  display: flex;
}

.navbar__mobile-link {
  padding: var(--space-3) var(--space-4);
  font-size: var(--font-size-base);
  font-weight: 500;
  color: var(--color-text-secondary);
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: all var(--transition-fast);
}

.navbar__mobile-link:hover {
  color: var(--color-primary);
  background: var(--color-primary-light);
}

.navbar__mobile-cta {
  margin-top: var(--space-2);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border);
}

/* ================================================================
   HERO SECTION
   ================================================================ */
.hero {
  padding-top: calc(var(--navbar-height) + var(--space-20));
  padding-bottom: var(--space-20);
  position: relative;
  overflow: hidden;
  background: var(--color-bg);
}

/* Decorative background gradient blobs */
.hero::before {
  content: '';
  position: absolute;
  top: -100px;
  right: -150px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.12) 0%, transparent 70%);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -100px;
  left: -150px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(139, 92, 246, 0.10) 0%, transparent 70%);
  pointer-events: none;
}

.hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
}

/* Hero Left: Text Content */
.hero__content {
  max-width: 560px;
}

.hero__badge {
  margin-bottom: var(--space-5);
}

.hero__badge .badge {
  font-size: var(--font-size-xs);
  padding: var(--space-2) var(--space-4);
}

.hero__title {
  font-size: clamp(2rem, 4vw, 3.25rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  color: var(--color-text-primary);
  margin-bottom: var(--space-5);
}

.hero__description {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: var(--space-8);
  max-width: 480px;
}

.hero__actions {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  flex-wrap: wrap;
}

/* Trust indicators below CTA */
.hero__trust {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  margin-top: var(--space-10);
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-border);
}

.hero__trust-item {
  display: flex;
  flex-direction: column;
}

.hero__trust-number {
  font-size: var(--font-size-xl);
  font-weight: 800;
  color: var(--color-text-primary);
  line-height: 1;
}

.hero__trust-label {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  margin-top: 2px;
}

/* Hero Right: Visual Card */
.hero__visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero__card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-2xl);
  padding: var(--space-6);
  box-shadow: var(--shadow-xl);
  width: 100%;
  max-width: 420px;
}

.hero__card-header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-5);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--color-border);
}

.hero__card-dots {
  display: flex;
  gap: var(--space-2);
}

.hero__card-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.hero__card-dot:nth-child(1) { background: #ff5f56; }
.hero__card-dot:nth-child(2) { background: #ffbd2e; }
.hero__card-dot:nth-child(3) { background: #27c93f; }

.hero__card-title {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text-muted);
  flex: 1;
  text-align: center;
}

/* Code block inside hero card */
.hero__code-block {
  background: #0f172a;
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  font-family: 'Courier New', Courier, monospace;
  font-size: 13px;
  line-height: 1.7;
  color: #94a3b8;
  overflow: hidden;
}

.hero__code-line { display: block; }
.code-key   { color: #7dd3fc; }
.code-str   { color: #86efac; }
.code-num   { color: #fda4af; }
.code-bool  { color: #fbbf24; }
.code-punct { color: #64748b; }

.hero__card-footer {
  margin-top: var(--space-4);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.hero__card-status {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-xs);
  font-weight: 600;
  color: var(--color-accent);
}

.hero__card-status-dot {
  width: 7px;
  height: 7px;
  background: var(--color-accent);
  border-radius: 50%;
  animation: pulse-dot 2s infinite;
}

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

/* ================================================================
   TOOLS SECTION
   ================================================================ */
.tools-section {
  padding: var(--space-20) 0;
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.tools-section__header {
  text-align: center;
  margin-bottom: var(--space-12);
}

/* Filter tabs above the grid */
.tools-section__filters {
  display: flex;
  justify-content: center;
  gap: var(--space-2);
  flex-wrap: wrap;
  margin-bottom: var(--space-10);
}

.filter-btn {
  padding: var(--space-2) var(--space-5);
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text-secondary);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-btn:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.filter-btn.active {
  background: var(--color-primary);
  color: #ffffff;
  border-color: var(--color-primary);
}

/* Responsive grid for tool cards */
.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--space-6);
}

/* Individual tool card */
.tool-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  transition: all var(--transition-base);
  text-decoration: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  position: relative;
  overflow: hidden;
}

.tool-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
}

/* "New" ribbon on cards */
.tool-card--new::before {
  content: 'NEW';
  position: absolute;
  top: 14px;
  right: -20px;
  background: var(--color-accent);
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  padding: 3px 24px;
  transform: rotate(45deg);
  letter-spacing: 0.05em;
}

.tool-card__icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.tool-card__icon svg {
  width: 24px;
  height: 24px;
}

/* Icon color themes per category */
.icon-indigo  { background: #e0e7ff; color: #6366f1; }
.icon-purple  { background: #ede9fe; color: #8b5cf6; }
.icon-emerald { background: #d1fae5; color: #10b981; }
.icon-orange  { background: #ffedd5; color: #f97316; }
.icon-blue    { background: #dbeafe; color: #3b82f6; }
.icon-rose    { background: #ffe4e6; color: #f43f5e; }

.tool-card__body {
  flex: 1;
}

.tool-card__name {
  font-size: var(--font-size-base);
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: var(--space-2);
}

.tool-card__description {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: 1.6;
}

.tool-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border);
}

.tool-card__tags {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.tool-card__tag {
  font-size: 11px;
  font-weight: 500;
  color: var(--color-text-muted);
  background: var(--color-surface-2);
  padding: 2px var(--space-2);
  border-radius: var(--radius-sm);
}

.tool-card__arrow {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--color-primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all var(--transition-fast);
}

.tool-card:hover .tool-card__arrow {
  background: var(--color-primary);
}

.tool-card__arrow svg {
  width: 14px;
  height: 14px;
  color: var(--color-primary);
  transition: color var(--transition-fast);
}

.tool-card:hover .tool-card__arrow svg {
  color: #ffffff;
}

/* "Coming soon" state for unbuilt tools */
.tool-card--soon {
  opacity: 0.7;
  pointer-events: none;
  cursor: default;
}

.tool-card--soon:hover {
  transform: none;
  box-shadow: none;
  border-color: var(--color-border);
}

.tool-card__soon-badge {
  font-size: 11px;
  font-weight: 700;
  color: var(--color-warning);
  background: #fffbeb;
  border: 1px solid #fde68a;
  padding: 2px var(--space-3);
  border-radius: var(--radius-full);
  flex-shrink: 0;
}

/* ================================================================
   FAQ SECTION
   ================================================================ */
.faq-section {
  padding: var(--space-20) 0;
  background: var(--color-bg);
}

.faq-section__inner {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--space-16);
  align-items: start;
}

.faq-section__sidebar {
  position: sticky;
  top: calc(var(--navbar-height) + var(--space-8));
}

.faq-section__sidebar .section-title {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--space-4);
}

.faq-section__sidebar p {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-6);
}

/* Accordion list */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.faq-item {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: border-color var(--transition-fast);
}

.faq-item.open {
  border-color: var(--color-primary);
}

.faq-item__question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-5) var(--space-6);
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--color-text-primary);
  line-height: 1.4;
  transition: color var(--transition-fast);
}

.faq-item.open .faq-item__question {
  color: var(--color-primary);
}

.faq-item__chevron {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  color: var(--color-text-muted);
  transition: transform var(--transition-base), color var(--transition-fast);
}

.faq-item.open .faq-item__chevron {
  transform: rotate(180deg);
  color: var(--color-primary);
}

/* Accordion answer with smooth height transition */
.faq-item__answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow), padding var(--transition-base);
}

.faq-item.open .faq-item__answer {
  max-height: 400px;
}

.faq-item__answer-inner {
  padding: 0 var(--space-6) var(--space-5);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: 1.75;
}

/* ================================================================
   FOOTER
   ================================================================ */
.footer {
  background: var(--color-text-primary);
  color: #cbd5e1;
  padding: var(--space-16) 0 var(--space-8);
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-10);
  margin-bottom: var(--space-12);
}

/* Footer Brand Column */
.footer__brand-logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  text-decoration: none;
  margin-bottom: var(--space-4);
}

.footer__brand-icon {
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
}

.footer__brand-icon svg {
  width: 18px;
  height: 18px;
  fill: #fff;
}

.footer__brand-name {
  font-size: var(--font-size-base);
  font-weight: 800;
  color: #ffffff;
}

.footer__brand-name span {
  color: var(--color-primary);
}

.footer__brand-desc {
  font-size: var(--font-size-sm);
  color: #94a3b8;
  line-height: 1.7;
  margin-bottom: var(--space-6);
  max-width: 280px;
}

/* Social icons */
.footer__socials {
  display: flex;
  gap: var(--space-3);
}

.footer__social-link {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #94a3b8;
  transition: all var(--transition-fast);
}

.footer__social-link:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #ffffff;
}

.footer__social-link svg {
  width: 16px;
  height: 16px;
  fill: currentColor;
}

/* Footer Link Columns */
.footer__col-title {
  font-size: var(--font-size-sm);
  font-weight: 700;
  color: #ffffff;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  margin-bottom: var(--space-5);
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer__link {
  font-size: var(--font-size-sm);
  color: #94a3b8;
  text-decoration: none;
  transition: color var(--transition-fast);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.footer__link:hover {
  color: #ffffff;
}

/* Footer Bottom Bar */
.footer__bottom {
  padding-top: var(--space-8);
  border-top: 1px solid rgba(255,255,255,0.08);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.footer__copyright {
  font-size: var(--font-size-sm);
  color: #64748b;
}

.footer__bottom-links {
  display: flex;
  gap: var(--space-6);
}

.footer__bottom-link {
  font-size: var(--font-size-sm);
  color: #64748b;
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer__bottom-link:hover {
  color: #94a3b8;
}

/* ================================================================
   RESPONSIVE — LANDING PAGE
   ================================================================ */
@media (max-width: 1024px) {
  .hero__inner {
    grid-template-columns: 1fr;
    gap: var(--space-10);
    text-align: center;
  }

  .hero__content {
    max-width: 100%;
  }

  .hero__description {
    max-width: 100%;
  }

  .hero__actions {
    justify-content: center;
  }

  .hero__trust {
    justify-content: center;
  }

  .hero__visual {
    order: -1;
  }

  .hero__card {
    max-width: 480px;
    margin: 0 auto;
  }

  .footer__grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8);
  }
}

@media (max-width: 768px) {
  /* Hide desktop nav, show hamburger */
  .navbar__nav,
  .navbar__cta {
    display: none;
  }

  .navbar__hamburger {
    display: flex;
  }

  .hero {
    padding-top: calc(var(--navbar-height) + var(--space-12));
    padding-bottom: var(--space-12);
  }

  .tools-section,
  .faq-section {
    padding: var(--space-12) 0;
  }

  .faq-section__inner {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

  .faq-section__sidebar {
    position: static;
  }

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

  .footer__grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

  .footer__bottom {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .hero__trust {
    flex-direction: column;
    gap: var(--space-4);
    align-items: flex-start;
    text-align: left;
  }

  .tools-section__filters {
    gap: var(--space-2);
  }

  .filter-btn {
    font-size: 12px;
    padding: var(--space-2) var(--space-3);
  }
}