/* =============================================
   THE PRACTICAL AI CO. — WEBSITE STYLES
   Brand: Dark navy + teal/cyan gradient + orange spark
   ============================================= */

:root {
  --navy:       #0B1220;
  --navy-mid:   #0F1B33;
  --navy-light: #162040;
  --teal:       #14B8A6;
  --cyan:       #0EA5E9;
  --orange:     #F97316;
  --white:      #F8FAFC;
  --muted:      #8899B0;
  --border:     rgba(255,255,255,0.07);
  --grad:       linear-gradient(135deg, #14B8A6, #0EA5E9);
  --grad-text:  linear-gradient(90deg, #14B8A6, #0EA5E9);
  --font-head:  'Syne', sans-serif;
  --font-body:  'DM Sans', sans-serif;
  --radius:     12px;
  --radius-lg:  20px;
  --transition: 0.2s ease;
}

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

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

body {
  font-family: var(--font-body);
  background: var(--navy);
  color: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; display: block; }

.container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---- GRADIENT TEXT ---- */
.title-accent {
  background: var(--grad-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ===================== NAV ===================== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 16px 0;
  transition: background var(--transition), backdrop-filter var(--transition);
}

.nav.scrolled {
  background: rgba(11, 18, 32, 0.92);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.nav-brand {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1rem;
  color: var(--white);
  letter-spacing: -0.02em;
}

.nav-brand em {
  font-style: normal;
  background: var(--grad-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--muted);
  transition: color var(--transition);
}

.nav-links a:hover { color: var(--white); }

.nav-cta {
  background: var(--grad) !important;
  color: var(--navy) !important;
  padding: 8px 18px;
  border-radius: 8px;
  font-weight: 600 !important;
  font-size: 0.85rem !important;
  transition: opacity var(--transition) !important;
}

.nav-cta:hover { opacity: 0.9; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: var(--transition);
}

/* ===================== BUTTONS ===================== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 10px;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  border: none;
  transition: all var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: var(--grad);
  color: var(--navy);
}

.btn-primary:hover {
  opacity: 0.9;
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(20, 184, 166, 0.3);
}

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

.btn-ghost:hover {
  background: rgba(255,255,255,0.06);
  border-color: rgba(255,255,255,0.2);
}

.btn-sm {
  padding: 10px 20px;
  font-size: 0.875rem;
}

/* ===================== HERO ===================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 140px 0 100px;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
}

.hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.15;
}

.hero-glow-1 {
  width: 600px;
  height: 600px;
  background: var(--teal);
  top: -200px;
  right: -100px;
}

.hero-glow-2 {
  width: 400px;
  height: 400px;
  background: var(--cyan);
  bottom: -100px;
  left: -100px;
}

.hero .container {
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(20, 184, 166, 0.1);
  border: 1px solid rgba(20, 184, 166, 0.25);
  color: var(--teal);
  font-size: 0.85rem;
  font-weight: 500;
  padding: 6px 14px;
  border-radius: 100px;
  margin-bottom: 28px;
  animation: fadeInUp 0.6s ease both;
}

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

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.hero-title {
  font-family: var(--font-head);
  font-size: clamp(2.8rem, 6vw, 5rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
  animation: fadeInUp 0.6s 0.1s ease both;
}

.hero-sub {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--muted);
  max-width: 560px;
  margin-bottom: 36px;
  line-height: 1.7;
  animation: fadeInUp 0.6s 0.2s ease both;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 56px;
  animation: fadeInUp 0.6s 0.3s ease both;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 32px;
  flex-wrap: wrap;
  animation: fadeInUp 0.6s 0.4s ease both;
}

.stat { text-align: center; }

.stat-num {
  display: block;
  font-family: var(--font-head);
  font-size: 1.8rem;
  font-weight: 800;
  background: var(--grad-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  display: block;
  font-size: 0.8rem;
  color: var(--muted);
  margin-top: 2px;
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--border);
}

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

/* ===================== FEAR STRIP ===================== */
.fear-strip {
  background: var(--navy-mid);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 20px 0;
}

.fear-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  flex-wrap: wrap;
}

.fear-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 28px;
  font-size: 0.875rem;
  color: var(--muted);
}

.fear-icon { font-size: 1rem; }

.fear-sep {
  width: 1px;
  height: 20px;
  background: var(--border);
}

/* ===================== SECTIONS ===================== */
.section {
  padding: 100px 0;
}

.section-dark {
  background: var(--navy-mid);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--teal);
  text-transform: uppercase;
  margin-bottom: 16px;
}

.section-title {
  font-family: var(--font-head);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 16px;
}

.section-sub {
  font-size: 1rem;
  color: var(--muted);
  max-width: 480px;
  margin: 0 auto;
}

/* ===================== FREE BANNER ===================== */
.free-banner {
  background: linear-gradient(135deg, rgba(20, 184, 166, 0.08), rgba(14, 165, 233, 0.08));
  border-top: 1px solid rgba(20, 184, 166, 0.2);
  border-bottom: 1px solid rgba(20, 184, 166, 0.2);
  padding: 80px 0;
}

.free-inner {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 60px;
  align-items: center;
}

.free-label {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--orange);
  text-transform: uppercase;
  margin-bottom: 16px;
}

.free-text h2 {
  font-family: var(--font-head);
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 16px;
  line-height: 1.2;
}

.free-text p {
  color: var(--muted);
  margin-bottom: 28px;
  max-width: 480px;
  line-height: 1.7;
}

.guide-card {
  background: var(--navy-light);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  width: 200px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.4);
}

.guide-card-top {
  background: var(--grad);
  padding: 12px 16px;
  display: flex;
  justify-content: flex-end;
}

.guide-badge {
  background: var(--navy);
  color: var(--orange);
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 0.8rem;
  padding: 4px 10px;
  border-radius: 6px;
}

.guide-card-body {
  padding: 20px;
  text-align: center;
}

.guide-icon { margin: 0 auto 12px; }

.guide-name {
  font-size: 0.8rem;
  font-weight: 600;
  line-height: 1.4;
  margin-bottom: 12px;
}

.guide-price {
  font-family: var(--font-head);
  font-weight: 800;
  color: var(--teal);
  font-size: 1rem;
}

/* ===================== START HERE GRID ===================== */
.start-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.start-card {
  background: var(--navy-mid);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  transition: all var(--transition);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.start-card:hover {
  border-color: rgba(20, 184, 166, 0.4);
  background: var(--navy-light);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.3);
}

.start-icon {
  font-size: 2rem;
  margin-bottom: 4px;
}

.start-card h3 {
  font-family: var(--font-head);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.start-card p {
  font-size: 0.875rem;
  color: var(--muted);
  line-height: 1.6;
  flex: 1;
}

.start-price {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1.1rem;
  background: var(--grad-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-top: 8px;
}

/* ===================== FEATURED PRODUCTS ===================== */
.products-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.product-card {
  background: var(--navy-light);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
  transition: all var(--transition);
}

.product-card:hover {
  border-color: rgba(20, 184, 166, 0.3);
  transform: translateY(-4px);
  box-shadow: 0 20px 60px rgba(0,0,0,0.4);
}

.product-badge {
  background: var(--orange);
  color: var(--navy);
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 0.8rem;
  padding: 8px 16px;
  display: inline-block;
}

.product-badge-blue {
  background: var(--grad);
}

.product-content {
  padding: 28px;
}

.product-icon {
  font-size: 2.2rem;
  margin-bottom: 16px;
}

.product-content h3 {
  font-family: var(--font-head);
  font-size: 1.3rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}

.product-content > p {
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.7;
  margin-bottom: 20px;
}

.product-includes {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 24px;
}

.product-includes li {
  font-size: 0.875rem;
  color: #CBD5E1;
  display: flex;
  align-items: center;
  gap: 8px;
}

.product-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 20px;
  border-top: 1px solid var(--border);
}

.product-price {
  font-family: var(--font-head);
  font-size: 1.6rem;
  font-weight: 800;
  background: var(--grad-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ===================== ALL PRODUCTS GRID ===================== */
.all-products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.mini-card {
  background: var(--navy-mid);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  display: flex;
  align-items: flex-start;
  gap: 16px;
  transition: all var(--transition);
  cursor: pointer;
}

.mini-card:hover {
  border-color: rgba(20, 184, 166, 0.3);
  background: var(--navy-light);
  transform: translateY(-2px);
}

.mini-icon {
  font-size: 1.5rem;
  flex-shrink: 0;
  margin-top: 2px;
}

.mini-body { flex: 1; }

.mini-body h4 {
  font-family: var(--font-head);
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 6px;
  letter-spacing: -0.01em;
}

.mini-body p {
  font-size: 0.8rem;
  color: var(--muted);
  line-height: 1.5;
}

.mini-price {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 0.9rem;
  background: var(--grad-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  white-space: nowrap;
  flex-shrink: 0;
  align-self: flex-end;
}

/* ===================== ABOUT ===================== */
.about-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.about-text .section-title { text-align: left; margin-bottom: 20px; }
.about-text .section-tag { display: block; text-align: left; }

.about-text p {
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.8;
  margin-bottom: 16px;
}

.about-points {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 28px;
}

.about-point {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.9rem;
  color: #CBD5E1;
}

.point-check {
  color: var(--teal);
  font-weight: 700;
  flex-shrink: 0;
}

.testimonial-stack {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.testimonial-card {
  background: var(--navy-light);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
}

.testimonial-card-offset {
  margin-left: 32px;
}

.testimonial-card p {
  font-size: 0.9rem;
  color: #CBD5E1;
  line-height: 1.7;
  margin-bottom: 16px;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.author-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--grad);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 0.75rem;
  color: var(--navy);
  flex-shrink: 0;
}

.testimonial-author strong {
  display: block;
  font-size: 0.875rem;
  font-family: var(--font-head);
  font-weight: 700;
}

.testimonial-author span {
  font-size: 0.8rem;
  color: var(--muted);
}

/* ===================== EMAIL SECTION ===================== */
.email-section {
  text-align: center;
}

.email-inner {
  max-width: 560px;
  margin: 0 auto;
}

.email-inner .section-title { margin-bottom: 12px; }
.email-inner > p { color: var(--muted); margin-bottom: 32px; }

.email-form {
  display: flex;
  gap: 12px;
  margin-bottom: 16px;
}

.email-input {
  flex: 1;
  background: var(--navy-mid);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 18px;
  color: var(--white);
  font-family: var(--font-body);
  font-size: 0.95rem;
  outline: none;
  transition: border-color var(--transition);
}

.email-input::placeholder { color: var(--muted); }
.email-input:focus { border-color: var(--teal); }

.email-note {
  font-size: 0.8rem;
  color: var(--muted);
}

/* ===================== FOOTER ===================== */
.footer {
  background: var(--navy-mid);
  border-top: 1px solid var(--border);
  padding: 60px 0 32px;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 60px;
  margin-bottom: 48px;
}

.footer-brand .nav-logo { margin-bottom: 12px; }

.footer-tagline {
  font-size: 0.875rem;
  color: var(--muted);
  margin-bottom: 20px;
}

.footer-social {
  display: flex;
  gap: 12px;
}

.social-link {
  width: 38px;
  height: 38px;
  background: var(--navy-light);
  border: 1px solid var(--border);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--muted);
  transition: all var(--transition);
}

.social-link:hover {
  border-color: var(--teal);
  color: var(--teal);
  background: rgba(20, 184, 166, 0.1);
}

.footer-links {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}

.footer-col h4 {
  font-family: var(--font-head);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--white);
  margin-bottom: 16px;
}

.footer-col ul { display: flex; flex-direction: column; gap: 10px; }

.footer-col a {
  font-size: 0.875rem;
  color: var(--muted);
  transition: color var(--transition);
}

.footer-col a:hover { color: var(--teal); }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  font-size: 0.8rem;
  color: var(--muted);
  flex-wrap: wrap;
  gap: 8px;
}

/* ===================== RESPONSIVE ===================== */
@media (max-width: 900px) {
  .start-grid { grid-template-columns: 1fr 1fr; }
  .products-grid { grid-template-columns: 1fr; }
  .about-inner { grid-template-columns: 1fr; gap: 48px; }
  .free-inner { grid-template-columns: 1fr; }
  .free-visual { display: none; }
  .footer-inner { grid-template-columns: 1fr; gap: 40px; }
  .all-products-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
  .nav-links { display: none; flex-direction: column; gap: 0; }
  .nav-links.open {
    display: flex;
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    background: rgba(11, 18, 32, 0.98);
    backdrop-filter: blur(16px);
    padding: 16px 24px 24px;
    border-bottom: 1px solid var(--border);
  }
  .nav-links.open li { padding: 12px 0; border-bottom: 1px solid var(--border); }
  .nav-links.open a { font-size: 1rem; color: var(--white); }
  .nav-toggle { display: flex; }

  .start-grid { grid-template-columns: 1fr; }
  .all-products-grid { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; align-items: flex-start; }
  .email-form { flex-direction: column; }
  .fear-inner { flex-direction: column; gap: 4px; }
  .fear-sep { display: none; }
  .testimonial-card-offset { margin-left: 0; }
  .footer-links { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .hero-stats { gap: 20px; }
}