/* ──────────────────────────────────────────────
   OpSonata — Marketing Site Stylesheet
   Matches the OpSonata app dark theme exactly
   ────────────────────────────────────────────── */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&display=swap');

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

:root {
  /* Dark theme (default) */
  --bg:            #0f1a2b;
  --bg-alt:        #1a2332;
  --card:          #243447;
  --card-border:   #2e4a6a;
  --border:        #263d5a;
  --text:          #e2eaf5;
  --text-2:        #7a9bbf;
  --text-3:        #3d5a7a;
  --nav-active:    #0f2540;
  --accent:        #1FD38A;
  --accent-dim:    rgba(31, 211, 138, 0.12);
  --accent-glow:   rgba(31, 211, 138, 0.25);
  --blue:          #1BA3A3;
  --blue-dim:      rgba(27, 163, 163, 0.12);
  --orange:        #fb923c;
  --red:           #f87171;
  --yellow:        #facc15;
  --teal:          #7CFCC0;
  --shadow:        0 2px 16px rgba(0,0,0,0.35);
  --shadow-lg:     0 8px 40px rgba(0,0,0,0.45);
  --radius:        10px;
  --radius-lg:     16px;
  --transition:    0.22s cubic-bezier(0.4,0,0.2,1);
}

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

a { color: var(--blue); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--accent); }

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

/* ── Utility ────────────────────────────────── */
.container { width: 100%; max-width: 1140px; margin: 0 auto; padding: 0 24px; }
.section    { padding: 96px 0; }
.section-sm { padding: 64px 0; }
.visually-hidden { position: absolute; width: 1px; height: 1px; clip: rect(0,0,0,0); }

.badge {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--accent-dim); color: var(--accent);
  border: 1px solid rgba(74,222,128,0.25);
  padding: 4px 12px; border-radius: 999px;
  font-size: 12px; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase;
  margin-bottom: 20px;
}

.section-label {
  font-size: 12px; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 12px;
}

.section-title {
  font-size: clamp(28px, 4vw, 42px); font-weight: 800; line-height: 1.15;
  color: var(--text); margin-bottom: 16px;
}

.section-title span { color: var(--accent); }

.section-sub {
  font-size: 17px; color: var(--text-2); line-height: 1.7;
  max-width: 620px;
}

.section-header { margin-bottom: 56px; }
.section-header.center { text-align: center; }
.section-header.center .section-sub { margin: 0 auto; }

/* ── Buttons ────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 26px; border-radius: var(--radius);
  font-size: 15px; font-weight: 600; cursor: pointer;
  border: none; transition: all var(--transition); white-space: nowrap;
  text-decoration: none;
}

.btn-primary {
  background: var(--accent); color: #0a1628;
  box-shadow: 0 0 0 0 var(--accent-glow);
}
.btn-primary:hover {
  background: #6ee7a0; color: #0a1628;
  box-shadow: 0 0 0 6px var(--accent-glow);
  transform: translateY(-1px);
}

.btn-outline {
  background: transparent; color: var(--text);
  border: 1.5px solid var(--border);
}
.btn-outline:hover {
  border-color: var(--accent); color: var(--accent);
  background: var(--accent-dim);
  transform: translateY(-1px);
}

.btn-ghost {
  background: transparent; color: var(--text-2); font-size: 14px; padding: 8px 16px;
  border: 1.5px solid transparent;
}
.btn-ghost:hover { color: var(--text); border-color: var(--border); }

/* ── Nav ────────────────────────────────────── */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: 64px;
  background: rgba(15, 26, 43, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition), background var(--transition);
}
.nav.scrolled {
  border-bottom-color: var(--border);
  background: rgba(15, 26, 43, 0.96);
}

.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 100%; gap: 32px;
}

.nav-logo {
  display: flex; align-items: center; gap: 10px;
  font-size: 18px; font-weight: 800; color: var(--text); text-decoration: none;
}
.nav-logo:hover { color: var(--accent); }
.nav-logo svg { flex-shrink: 0; }

.nav-links {
  display: flex; align-items: center; gap: 4px; list-style: none;
  flex: 1; justify-content: center;
}
.nav-links a {
  color: var(--text-2); font-size: 14px; font-weight: 500;
  padding: 6px 14px; border-radius: 7px; transition: all var(--transition);
}
.nav-links a:hover { color: var(--text); background: var(--nav-active); }

.nav-cta { display: flex; align-items: center; gap: 10px; }

.hamburger {
  display: none; flex-direction: column; gap: 5px; cursor: pointer;
  background: none; border: none; padding: 6px;
}
.hamburger span {
  display: block; width: 22px; height: 2px; background: var(--text-2);
  border-radius: 2px; transition: all 0.3s;
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-menu {
  display: none; position: fixed; top: 64px; left: 0; right: 0; z-index: 99;
  background: var(--bg-alt); border-bottom: 1px solid var(--border);
  padding: 16px 24px 24px; flex-direction: column; gap: 4px;
}
.mobile-menu.open { display: flex; }
.mobile-menu a {
  color: var(--text-2); font-size: 15px; font-weight: 500;
  padding: 12px 14px; border-radius: var(--radius);
  transition: all var(--transition);
}
.mobile-menu a:hover { color: var(--text); background: var(--nav-active); }
.mobile-menu .btn { margin-top: 8px; text-align: center; justify-content: center; }

/* ── Hero ───────────────────────────────────── */
.hero {
  padding: 160px 0 100px;
  position: relative; overflow: hidden;
}

.hero-glow {
  position: absolute; top: -200px; left: 50%; transform: translateX(-50%);
  width: 800px; height: 600px; border-radius: 50%;
  background: radial-gradient(ellipse, rgba(74,222,128,0.08) 0%, transparent 70%);
  pointer-events: none;
}

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

.hero-title {
  font-size: clamp(38px, 6vw, 72px); font-weight: 900; line-height: 1.08;
  letter-spacing: -0.02em; margin-bottom: 24px;
}
.hero-title .line-green { color: var(--accent); }
.hero-title .line-blue  { color: var(--blue); }

.hero-sub {
  font-size: clamp(16px, 2.2vw, 20px); color: var(--text-2);
  max-width: 600px; margin: 0 auto 40px; line-height: 1.65;
}

.hero-cta { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; margin-bottom: 64px; }

.hero-stats {
  display: flex; justify-content: center; gap: 48px; flex-wrap: wrap;
  border-top: 1px solid var(--border); padding-top: 48px;
}

.hero-stat { text-align: center; }
.hero-stat-num {
  font-size: 32px; font-weight: 800; color: var(--accent);
  font-variant-numeric: tabular-nums; line-height: 1;
}
.hero-stat-label { font-size: 13px; color: var(--text-2); margin-top: 4px; }

/* ── Logos / trust bar ──────────────────────── */
.trust-bar {
  padding: 32px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.trust-bar-inner {
  display: flex; align-items: center; justify-content: center;
  gap: 12px; flex-wrap: wrap; color: var(--text-3);
  font-size: 12px; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase;
}
.trust-divider { width: 1px; height: 16px; background: var(--border); }
.trust-item { color: var(--text-2); font-weight: 500; font-size: 14px; letter-spacing: 0; text-transform: none; }

/* ── Cards ──────────────────────────────────── */
.card {
  background: var(--card); border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}
.card:hover {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent-glow), var(--shadow-lg);
  transform: translateY(-3px);
}

/* ── Modules grid ───────────────────────────── */
.modules-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}

.module-card { padding: 32px; }

.module-icon {
  width: 52px; height: 52px; border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 24px; margin-bottom: 20px;
  border: 1px solid;
}
.module-icon.green  { background: rgba(74,222,128,0.10); border-color: rgba(74,222,128,0.25); }
.module-icon.blue   { background: rgba(96,165,250,0.10); border-color: rgba(96,165,250,0.25); }
.module-icon.orange { background: rgba(251,146,60,0.10); border-color: rgba(251,146,60,0.25); }
.module-icon.teal   { background: rgba(52,211,153,0.10); border-color: rgba(52,211,153,0.25); }
.module-icon.yellow { background: rgba(250,204,21,0.10); border-color: rgba(250,204,21,0.25); }
.module-icon.red    { background: rgba(248,113,113,0.10); border-color: rgba(248,113,113,0.25); }

.module-title { font-size: 18px; font-weight: 700; margin-bottom: 10px; }
.module-desc  { font-size: 14px; color: var(--text-2); line-height: 1.65; }

.module-tags { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 16px; }
.module-tag {
  font-size: 11px; font-weight: 600; padding: 3px 9px;
  border-radius: 999px; border: 1px solid var(--border);
  color: var(--text-2); background: var(--bg);
}

/* ── How it works ───────────────────────────── */
.steps-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 32px; position: relative;
}

.step {
  text-align: center;
  display: flex; flex-direction: column; align-items: center;
}

.step-num {
  width: 52px; height: 52px; border-radius: 50%;
  background: var(--accent-dim); border: 2px solid rgba(74,222,128,0.35);
  color: var(--accent); font-size: 20px; font-weight: 800;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 20px; position: relative;
}
.step-num::after {
  content: ''; position: absolute; left: 100%; top: 50%;
  width: 100%; height: 1px;
  background: linear-gradient(to right, var(--border), transparent);
}
.step:last-child .step-num::after { display: none; }

.step-title { font-size: 17px; font-weight: 700; margin-bottom: 8px; }
.step-desc  { font-size: 14px; color: var(--text-2); line-height: 1.65; }

/* ── Screenshots ────────────────────────────── */
.screenshots-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
.screenshots-grid .featured { grid-column: 1 / -1; }

.screenshot-wrap {
  position: relative; border-radius: var(--radius-lg);
  overflow: hidden; border: 1px solid var(--card-border);
  background: var(--card);
  aspect-ratio: 16/9;
  display: flex; align-items: center; justify-content: center;
  transition: border-color var(--transition);
}
.screenshot-wrap:hover { border-color: var(--accent); }
.screenshot-wrap img { width: 100%; height: 100%; object-fit: cover; }

.screenshot-placeholder {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 12px; color: var(--text-3); padding: 24px; width: 100%; height: 100%;
}
.screenshot-placeholder span { font-size: 32px; }
.screenshot-placeholder p { font-size: 13px; font-weight: 500; color: var(--text-2); text-align: center; }

.screenshot-label {
  position: absolute; bottom: 0; left: 0; right: 0;
  background: linear-gradient(to top, rgba(15,26,43,0.95) 0%, transparent 100%);
  padding: 32px 20px 16px;
  font-size: 13px; font-weight: 600; color: var(--text);
}

/* ── Highlight strip ────────────────────────── */
.highlight-strip {
  background: linear-gradient(135deg, rgba(74,222,128,0.06) 0%, rgba(96,165,250,0.06) 100%);
  border: 1px solid var(--card-border); border-radius: var(--radius-lg);
  padding: 48px;
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 48px; align-items: center;
}

.highlight-list { list-style: none; display: flex; flex-direction: column; gap: 16px; }
.highlight-item {
  display: flex; align-items: flex-start; gap: 12px;
  font-size: 15px; color: var(--text-2);
}
.highlight-item::before {
  content: '✓';
  flex-shrink: 0; width: 22px; height: 22px; border-radius: 50%;
  background: var(--accent-dim); color: var(--accent);
  font-size: 12px; font-weight: 800;
  display: flex; align-items: center; justify-content: center;
  margin-top: 1px;
}

/* ── Contact form ───────────────────────────── */
.contact-grid {
  display: grid; grid-template-columns: 1fr 1.4fr; gap: 48px; align-items: start;
}

.contact-info { display: flex; flex-direction: column; gap: 28px; }

.contact-detail {
  display: flex; align-items: flex-start; gap: 14px;
}
.contact-icon {
  width: 40px; height: 40px; flex-shrink: 0;
  border-radius: 10px; background: var(--accent-dim); border: 1px solid rgba(74,222,128,0.2);
  display: flex; align-items: center; justify-content: center; font-size: 18px;
}
.contact-detail h4 { font-size: 13px; font-weight: 600; color: var(--text-2); margin-bottom: 2px; }
.contact-detail p  { font-size: 15px; color: var(--text); }

.contact-form-wrap {
  background: var(--card); border: 1px solid var(--card-border);
  border-radius: var(--radius-lg); padding: 36px;
}

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { display: flex; flex-direction: column; gap: 6px; margin-bottom: 20px; }

.form-group label { font-size: 13px; font-weight: 600; color: var(--text-2); }

.form-group input,
.form-group select,
.form-group textarea {
  background: var(--bg); border: 1.5px solid var(--border);
  border-radius: var(--radius); color: var(--text);
  font-family: inherit; font-size: 15px;
  padding: 10px 14px; width: 100%;
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none; resize: vertical;
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--text-3); }
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-dim);
}
.form-group select { appearance: none; cursor: pointer; }
.form-group textarea { min-height: 120px; }

.form-check {
  display: flex; align-items: flex-start; gap: 10px;
  font-size: 13px; color: var(--text-2); margin-bottom: 20px;
}
.form-check input[type="checkbox"] {
  width: 16px; height: 16px; margin-top: 2px; accent-color: var(--accent);
  flex-shrink: 0; cursor: pointer;
}

.form-success {
  display: none; text-align: center; padding: 24px;
  color: var(--accent); font-weight: 600;
}

/* ── Testimonials ───────────────────────────── */
.testimonials-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.testimonial-card { padding: 28px; }
.testimonial-quote { font-size: 15px; color: var(--text-2); line-height: 1.7; margin-bottom: 20px; font-style: italic; }
.testimonial-author { display: flex; align-items: center; gap: 12px; }
.testimonial-avatar {
  width: 40px; height: 40px; border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--blue));
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; color: #0a1628; font-size: 14px;
}
.testimonial-name  { font-size: 14px; font-weight: 600; }
.testimonial-role  { font-size: 12px; color: var(--text-2); }
.stars { color: var(--yellow); font-size: 13px; margin-bottom: 14px; }

/* ── Footer ─────────────────────────────────── */
.footer {
  background: #080f1a;
  border-top: 1px solid var(--border);
  padding: 64px 0 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 40px; margin-bottom: 48px;
}

.footer-brand p { font-size: 14px; color: var(--text-2); line-height: 1.7; margin: 14px 0 20px; }

.footer-col h5 { font-size: 13px; font-weight: 700; color: var(--text); margin-bottom: 16px; letter-spacing: 0.04em; text-transform: uppercase; }
.footer-links { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer-links a { font-size: 14px; color: var(--text-2); transition: color var(--transition); }
.footer-links a:hover { color: var(--accent); }

.footer-bottom {
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 16px;
  padding-top: 32px; border-top: 1px solid var(--border);
  font-size: 13px; color: var(--text-3);
}
.footer-legal { display: flex; gap: 20px; }
.footer-legal a { color: var(--text-3); }
.footer-legal a:hover { color: var(--text-2); }

.footer-logo { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 16px; color: var(--text); text-decoration: none; margin-bottom: 4px; }
.footer-logo:hover { color: var(--accent); }

/* ── Privacy / Cookies pages ────────────────── */
.page-hero {
  padding: 120px 0 64px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 64px;
}
.page-hero h1 { font-size: clamp(28px, 4vw, 44px); font-weight: 800; }
.page-hero p  { font-size: 16px; color: var(--text-2); margin-top: 12px; }

.prose {
  max-width: 780px; margin: 0 auto;
  padding-bottom: 96px;
}
.prose h2 {
  font-size: 22px; font-weight: 700; margin: 48px 0 14px;
  padding-top: 48px; border-top: 1px solid var(--border);
  color: var(--text);
}
.prose h2:first-child { margin-top: 0; padding-top: 0; border-top: none; }
.prose h3 { font-size: 17px; font-weight: 600; margin: 28px 0 8px; color: var(--text); }
.prose p  { font-size: 15px; color: var(--text-2); line-height: 1.8; margin-bottom: 16px; }
.prose ul { padding-left: 20px; margin-bottom: 16px; }
.prose li { font-size: 15px; color: var(--text-2); line-height: 1.8; margin-bottom: 6px; }
.prose strong { color: var(--text); font-weight: 600; }
.prose a { color: var(--blue); }
.prose .info-box {
  background: var(--card); border: 1px solid var(--card-border);
  border-left: 3px solid var(--blue); border-radius: var(--radius);
  padding: 16px 20px; margin: 24px 0;
}
.prose .info-box p { margin-bottom: 0; }

/* ── Cookie banner ──────────────────────────── */
.cookie-banner {
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 200;
  background: var(--bg-alt); border-top: 1px solid var(--card-border);
  padding: 16px 24px;
  display: flex; align-items: center; justify-content: space-between;
  gap: 20px; flex-wrap: wrap;
  transform: translateY(100%); transition: transform 0.4s cubic-bezier(0.4,0,0.2,1);
}
.cookie-banner.visible { transform: translateY(0); }
.cookie-banner p { font-size: 14px; color: var(--text-2); flex: 1; min-width: 200px; }
.cookie-banner p a { color: var(--blue); }
.cookie-actions { display: flex; gap: 10px; flex-shrink: 0; }

/* ── Animations ─────────────────────────────── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 0 0 0 var(--accent-glow); }
  50%       { box-shadow: 0 0 0 10px transparent; }
}

.animate-up { opacity: 0; animation: fadeUp 0.6s cubic-bezier(0.4,0,0.2,1) forwards; }
.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }
.delay-4 { animation-delay: 0.4s; }

[data-animate] { opacity: 0; transform: translateY(20px); transition: opacity 0.55s ease, transform 0.55s ease; }
[data-animate].in-view { opacity: 1; transform: translateY(0); }

/* ── Responsive ─────────────────────────────── */
@media (max-width: 960px) {
  .nav-links, .nav-cta .btn-outline { display: none; }
  .hamburger { display: flex; }

  .footer-grid { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .highlight-strip { grid-template-columns: 1fr; padding: 32px; gap: 28px; }
  .screenshots-grid { grid-template-columns: 1fr; }
  .screenshots-grid .featured { grid-column: 1; }
}

@media (max-width: 640px) {
  .section { padding: 64px 0; }
  .hero { padding: 120px 0 64px; }
  .hero-stats { gap: 28px; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
  .steps-grid { grid-template-columns: 1fr; }
  .step-num::after { display: none; }
  .hero-cta { flex-direction: column; align-items: center; }
}