/* ═══════════════════════════════════════════════════════════════════
   ForecastIQ — Premium AI Sales Forecasting Landing Page
   Design System & Stylesheet
   ═══════════════════════════════════════════════════════════════════ */

/* ─── Custom Properties ─────────────────────────────────────────── */
:root {
  /* Colors */
  --bg-0:       #030818;
  --bg-1:       #050D1C;
  --bg-2:       #071022;
  --bg-card:    #0A1628;
  --bg-card-2:  #0D1A30;
  --border:     rgba(255, 255, 255, 0.07);
  --border-glow:rgba(0, 212, 255, 0.18);

  --teal:       #00D4FF;
  --teal-dim:   rgba(0, 212, 255, 0.12);
  --teal-glow:  rgba(0, 212, 255, 0.25);
  --blue:       #4070FF;
  --blue-dim:   rgba(64, 112, 255, 0.12);
  --gold:       #F0A500;
  --gold-dim:   rgba(240, 165, 0, 0.12);
  --green:      #00FFB3;
  --purple:     #C084FC;

  --text-0:     #FFFFFF;
  --text-1:     #E2E8F0;
  --text-2:     #94A3B8;
  --text-3:     #64748B;

  /* Typography */
  --font-head:  'Space Grotesk', -apple-system, sans-serif;
  --font-body:  'Inter', -apple-system, sans-serif;

  /* Gradients */
  --grad-primary: linear-gradient(135deg, var(--teal) 0%, var(--blue) 100%);
  --grad-gold:    linear-gradient(135deg, #F0A500 0%, #FF7B47 100%);
  --grad-hero:    radial-gradient(ellipse 80% 60% at 50% 0%, rgba(0,212,255,0.08) 0%, transparent 70%),
                  radial-gradient(ellipse 60% 50% at 80% 30%, rgba(64,112,255,0.06) 0%, transparent 60%);

  /* Shadows */
  --shadow-card: 0 4px 24px rgba(0,0,0,0.4), 0 1px 0 rgba(255,255,255,0.04) inset;
  --shadow-glow: 0 0 40px rgba(0,212,255,0.15);
  --shadow-btn:  0 4px 20px rgba(0,212,255,0.35);

  /* Spacing */
  --section-pad: clamp(5rem, 10vw, 9rem);
  --container:   1180px;

  /* Timing */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
}

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

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

body {
  font-family: var(--font-body);
  background-color: var(--bg-0);
  color: var(--text-1);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

::selection {
  background: var(--teal-glow);
  color: var(--text-0);
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img, svg { display: block; }
button { cursor: pointer; font-family: inherit; border: none; }

/* ─── Scrollbar ──────────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-0); }
::-webkit-scrollbar-thumb { background: rgba(0,212,255,0.25); border-radius: 10px; }
::-webkit-scrollbar-thumb:hover { background: rgba(0,212,255,0.45); }

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

.section-container {
  max-width: var(--container);
  margin: 0 auto;
  padding: var(--section-pad) clamp(1.25rem, 5vw, 2.5rem);
}

.section-eyebrow {
  font-family: var(--font-head);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 1rem;
}

.section-title {
  font-family: var(--font-head);
  font-size: clamp(2rem, 4.5vw, 3.25rem);
  font-weight: 700;
  line-height: 1.15;
  color: var(--text-0);
  margin-bottom: 1.25rem;
}

.section-sub {
  font-size: clamp(1rem, 1.5vw, 1.125rem);
  color: var(--text-2);
  max-width: 640px;
  text-align: center;
  margin: 0 auto 3.5rem;
  line-height: 1.75;
}

/* ─── Buttons ────────────────────────────────────────────────────── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.875rem 1.75rem;
  background: var(--grad-primary);
  color: #fff;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 0.9375rem;
  border-radius: 10px;
  box-shadow: var(--shadow-btn);
  transition: transform 0.2s var(--ease-out), box-shadow 0.2s var(--ease-out), opacity 0.2s;
  position: relative;
  overflow: hidden;
}

.btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.15) 0%, transparent 60%);
  pointer-events: none;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(0,212,255,0.5);
}

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

.btn-lg {
  padding: 1.125rem 2.5rem;
  font-size: 1.0625rem;
  border-radius: 12px;
}

.btn-full { width: 100%; justify-content: center; }

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.875rem 1.5rem;
  border: 1px solid var(--border);
  color: var(--text-1);
  font-family: var(--font-head);
  font-weight: 500;
  font-size: 0.9375rem;
  border-radius: 10px;
  background: rgba(255,255,255,0.03);
  transition: border-color 0.2s, background 0.2s, color 0.2s, transform 0.2s var(--ease-out);
  backdrop-filter: blur(6px);
}

.btn-ghost:hover {
  border-color: var(--teal);
  color: var(--teal);
  background: var(--teal-dim);
  transform: translateY(-1px);
}

/* ─── Navigation ─────────────────────────────────────────────────── */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 1rem 0;
  transition: background 0.4s var(--ease-in-out),
              box-shadow 0.4s var(--ease-in-out),
              padding 0.3s var(--ease-in-out);
}

#navbar.scrolled {
  background: rgba(3, 8, 24, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 var(--border), 0 4px 20px rgba(0,0,0,0.4);
  padding: 0.75rem 0;
}

.nav-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 5vw, 2.5rem);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--text-0);
  transition: opacity 0.2s;
}
.nav-logo:hover { opacity: 0.85; }

.logo-icon { display: flex; align-items: center; }
.logo-text { letter-spacing: -0.02em; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav-link {
  font-family: var(--font-head);
  font-weight: 500;
  font-size: 0.875rem;
  color: var(--text-2);
  padding: 0.5rem 0.875rem;
  border-radius: 8px;
  transition: color 0.2s, background 0.2s;
}

.nav-link:hover {
  color: var(--text-0);
  background: rgba(255,255,255,0.05);
}

.nav-cta {
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 0.875rem;
  padding: 0.5625rem 1.25rem;
  background: var(--grad-primary);
  color: #fff;
  border-radius: 8px;
  margin-left: 0.5rem;
  transition: transform 0.2s var(--ease-out), box-shadow 0.2s;
  box-shadow: 0 2px 12px rgba(0,212,255,0.3);
}

.nav-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(0,212,255,0.5);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 0.5rem;
  background: transparent;
  border-radius: 8px;
  transition: background 0.2s;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-1);
  border-radius: 2px;
  transition: transform 0.3s var(--ease-out), opacity 0.3s;
}

.nav-toggle:hover { background: rgba(255,255,255,0.05); }

.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ─── Hero ───────────────────────────────────────────────────────── */
#hero {
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  padding: 7rem 1.25rem 5rem;
  text-align: center;
  background: var(--bg-0);
}

#hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--grad-hero);
  pointer-events: none;
}

#particleCanvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  opacity: 0.7;
}

.hero-grid-overlay {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,212,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,212,255,0.04) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 20%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 20%, transparent 80%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 840px;
  width: 100%;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-head);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--teal);
  border: 1px solid rgba(0,212,255,0.3);
  background: rgba(0,212,255,0.06);
  padding: 0.375rem 1rem;
  border-radius: 100px;
  margin-bottom: 1.75rem;
  backdrop-filter: blur(6px);
}

.badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--teal);
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.3); }
}

.hero-headline {
  font-family: var(--font-head);
  font-size: clamp(3rem, 7vw, 5.5rem);
  font-weight: 700;
  line-height: 1.07;
  letter-spacing: -0.02em;
  color: var(--text-0);
  margin-bottom: 1.5rem;
}

.hero-sub {
  font-size: clamp(1.0625rem, 2vw, 1.25rem);
  color: var(--text-2);
  max-width: 600px;
  margin: 0 auto 2.5rem;
  line-height: 1.7;
}

.hero-sub em {
  font-style: normal;
  color: var(--teal);
  font-weight: 500;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 3.5rem;
}

.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  padding: 1.5rem 2rem;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: rgba(255,255,255,0.025);
  backdrop-filter: blur(12px);
  max-width: 520px;
  margin: 0 auto;
}

.stat-item {
  flex: 1;
  text-align: center;
}

.stat-number {
  display: inline;
  font-family: var(--font-head);
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-0);
  background: var(--grad-primary);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.stat-unit {
  font-family: var(--font-head);
  font-size: 1rem;
  font-weight: 600;
  color: var(--teal);
}

.stat-label {
  display: block;
  font-size: 0.75rem;
  color: var(--text-3);
  margin-top: 0.25rem;
  letter-spacing: 0.02em;
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--border);
  margin: 0 1.25rem;
  flex-shrink: 0;
}

.hero-scroll-hint {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.6875rem;
  font-family: var(--font-head);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-3);
  z-index: 2;
  animation: scroll-hint-fade 1s ease 2s both;
}

@keyframes scroll-hint-fade {
  from { opacity: 0; transform: translate(-50%, 10px); }
  to   { opacity: 1; transform: translate(-50%, 0); }
}

.scroll-dot {
  animation: scroll-bounce 2s ease-in-out infinite;
}

@keyframes scroll-bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(6px); }
}

/* ─── Features ───────────────────────────────────────────────────── */
#features {
  background: var(--bg-1);
  position: relative;
}

#features::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-glow), transparent);
}

#features .section-container {
  text-align: center;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.25rem;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 1.75rem;
  text-align: left;
  transition: border-color 0.3s, transform 0.3s var(--ease-out), box-shadow 0.3s;
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--icon-color, var(--teal)), transparent);
  opacity: 0;
  transition: opacity 0.3s;
}

.feature-card:hover {
  border-color: rgba(0,212,255,0.2);
  transform: translateY(-4px);
  box-shadow: var(--shadow-card), 0 0 30px rgba(0,212,255,0.06);
}

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

.feature-icon-wrap {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: color-mix(in srgb, var(--icon-color, var(--teal)) 12%, transparent);
  border: 1px solid color-mix(in srgb, var(--icon-color, var(--teal)) 25%, transparent);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--icon-color, var(--teal));
  margin-bottom: 1.125rem;
  transition: box-shadow 0.3s, transform 0.3s var(--ease-out);
}

.feature-card:hover .feature-icon-wrap {
  box-shadow: 0 0 20px color-mix(in srgb, var(--icon-color, var(--teal)) 30%, transparent);
  transform: scale(1.05);
}

.feature-title {
  font-family: var(--font-head);
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-0);
  margin-bottom: 0.625rem;
}

.feature-desc {
  font-size: 0.875rem;
  color: var(--text-2);
  line-height: 1.7;
}

/* ─── How It Works ───────────────────────────────────────────────── */
#how-it-works {
  background: var(--bg-0);
  position: relative;
  overflow: hidden;
}

#how-it-works::before {
  content: '';
  position: absolute;
  width: 600px; height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(64,112,255,0.04) 0%, transparent 70%);
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
}

#how-it-works .section-container { text-align: center; }

.steps-container {
  position: relative;
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.steps-line {
  position: absolute;
  left: 36px;
  top: 20px;
  bottom: 20px;
  width: 1px;
  background: linear-gradient(to bottom, var(--teal) 0%, var(--blue) 50%, transparent 100%);
  opacity: 0.2;
}

.step-item {
  display: flex;
  gap: 1.75rem;
  align-items: flex-start;
  text-align: left;
  position: relative;
}

.step-number {
  font-family: var(--font-head);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--teal);
  background: rgba(0,212,255,0.08);
  border: 1px solid rgba(0,212,255,0.25);
  border-radius: 100px;
  padding: 0.25rem 0.625rem;
  white-space: nowrap;
  margin-top: 0.5rem;
  flex-shrink: 0;
  min-width: 40px;
  text-align: center;
}

.step-content {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 1.75rem;
  flex: 1;
  transition: border-color 0.3s, box-shadow 0.3s;
}

.step-content:hover {
  border-color: rgba(0,212,255,0.2);
  box-shadow: var(--shadow-card);
}

.step-icon-wrap {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: var(--teal-dim);
  border: 1px solid rgba(0,212,255,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--teal);
  margin-bottom: 1rem;
}

.step-title {
  font-family: var(--font-head);
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--text-0);
  margin-bottom: 0.625rem;
}

.step-desc {
  font-size: 0.9rem;
  color: var(--text-2);
  line-height: 1.72;
}

/* ─── Decisions ──────────────────────────────────────────────────── */
#decisions {
  background: var(--bg-1);
  position: relative;
}

#decisions::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-glow), transparent);
}

#decisions .section-container { text-align: center; }

.decisions-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.25rem;
}

.decision-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 1.75rem;
  display: flex;
  gap: 1.125rem;
  align-items: flex-start;
  text-align: left;
  transition: border-color 0.3s, transform 0.3s var(--ease-out), box-shadow 0.3s;
}

.decision-card:hover {
  border-color: rgba(0,212,255,0.2);
  transform: translateY(-3px);
  box-shadow: var(--shadow-card);
}

.decision-icon {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: var(--teal-dim);
  border: 1px solid rgba(0,212,255,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--teal);
  flex-shrink: 0;
  margin-top: 0.125rem;
  transition: box-shadow 0.3s, transform 0.3s;
}

.decision-card:hover .decision-icon {
  box-shadow: 0 0 18px rgba(0,212,255,0.25);
  transform: scale(1.05);
}

.decision-title {
  font-family: var(--font-head);
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-0);
  margin-bottom: 0.5rem;
}

.decision-desc {
  font-size: 0.875rem;
  color: var(--text-2);
  line-height: 1.7;
}

/* ─── Why Different ──────────────────────────────────────────────── */
#why-different {
  background: var(--bg-0);
  position: relative;
  overflow: hidden;
}

#why-different::before {
  content: '';
  position: absolute;
  width: 800px; height: 800px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0,212,255,0.03) 0%, transparent 70%);
  top: 50%; right: -200px;
  transform: translateY(-50%);
  pointer-events: none;
}

.why-inner {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 5rem;
  align-items: center;
}

.why-left .section-eyebrow { text-align: left; }
.why-left .section-title { text-align: left; }

.why-right {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.diff-item {
  display: flex;
  gap: 1.125rem;
  align-items: flex-start;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1.375rem;
  transition: border-color 0.3s, transform 0.3s var(--ease-out), box-shadow 0.3s;
}

.diff-item:hover {
  border-color: rgba(0,212,255,0.2);
  transform: translateX(4px);
  box-shadow: var(--shadow-card);
}

.diff-check {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: rgba(0,212,255,0.1);
  border: 1px solid rgba(0,212,255,0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--teal);
  flex-shrink: 0;
  margin-top: 0.125rem;
  transition: box-shadow 0.3s, background 0.3s;
}

.diff-item:hover .diff-check {
  background: rgba(0,212,255,0.18);
  box-shadow: 0 0 14px rgba(0,212,255,0.2);
}

.diff-text strong {
  font-family: var(--font-head);
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text-0);
  display: block;
  margin-bottom: 0.375rem;
}

.diff-text p {
  font-size: 0.875rem;
  color: var(--text-2);
  line-height: 1.7;
}

/* ─── Trial Section ──────────────────────────────────────────────── */
#trial {
  background: var(--bg-1);
  position: relative;
}

#trial::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(240,165,0,0.3), transparent);
}

.trial-card {
  position: relative;
  border-radius: 24px;
  border: 1px solid rgba(240,165,0,0.18);
  background: var(--bg-card);
  overflow: hidden;
  padding: clamp(2.5rem, 5vw, 4rem) clamp(1.75rem, 5vw, 4rem);
  text-align: center;
  max-width: 840px;
  margin: 0 auto;
}

.trial-glow {
  position: absolute;
  width: 600px; height: 400px;
  background: radial-gradient(ellipse, rgba(240,165,0,0.06) 0%, transparent 70%);
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
}

.trial-badge {
  display: inline-block;
  font-family: var(--font-head);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold);
  border: 1px solid rgba(240,165,0,0.35);
  background: rgba(240,165,0,0.08);
  padding: 0.3125rem 0.875rem;
  border-radius: 100px;
  margin-bottom: 1.75rem;
  position: relative;
}

.trial-icon {
  display: flex;
  justify-content: center;
  margin-bottom: 1.5rem;
  filter: drop-shadow(0 0 16px rgba(0,212,255,0.3));
}

.trial-headline {
  font-family: var(--font-head);
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-0);
  margin-bottom: 1.25rem;
}

.trial-desc {
  font-size: clamp(0.9375rem, 1.5vw, 1.0625rem);
  color: var(--text-2);
  max-width: 580px;
  margin: 0 auto 2.5rem;
  line-height: 1.75;
}

.trial-desc strong { color: var(--text-1); }

.trial-points {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  max-width: 440px;
  margin: 0 auto 2.5rem;
  text-align: left;
}

.trial-point {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.9375rem;
  color: var(--text-1);
  font-family: var(--font-head);
  font-weight: 500;
}

.trial-point-icon {
  color: var(--gold);
  font-size: 0.75rem;
  flex-shrink: 0;
}

/* ─── Contact ────────────────────────────────────────────────────── */
#contact {
  background: var(--bg-0);
  position: relative;
  overflow: hidden;
}

#contact::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-glow), transparent);
}

.contact-inner {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 5rem;
  align-items: center;
}

.contact-left .section-eyebrow { text-align: left; }
.contact-left .section-title { text-align: left; }

.contact-details {
  margin-top: 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
}

.contact-email {
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--teal);
  transition: opacity 0.2s;
}

.contact-email:hover { opacity: 0.8; }

.contact-response {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.8125rem;
  color: var(--text-3);
}

/* ─── Contact Form ───────────────────────────────────────────────── */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.125rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 2rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-label {
  font-family: var(--font-head);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-1);
  letter-spacing: 0.02em;
}

.form-input {
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.8125rem 1rem;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  color: var(--text-0);
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s, background 0.2s;
  width: 100%;
}

.form-input::placeholder { color: var(--text-3); }

.form-input:focus {
  border-color: rgba(0,212,255,0.45);
  box-shadow: 0 0 0 3px rgba(0,212,255,0.08);
  background: rgba(0,212,255,0.03);
}

.form-select {
  appearance: none;
  -webkit-appearance: none;
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8' fill='none'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%2364748B' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}

.form-select option {
  background: var(--bg-card);
  color: var(--text-0);
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
  line-height: 1.6;
}

/* Submit button loading state */
.btn-text { transition: opacity 0.2s; }
.btn-icon { transition: transform 0.2s; flex-shrink: 0; }
#contactSubmitBtn:hover .btn-icon { transform: translateX(3px) rotate(-15deg); }

.form-success {
  display: none;
  align-items: center;
  gap: 0.875rem;
  padding: 1rem 1.25rem;
  background: rgba(0,212,255,0.06);
  border: 1px solid rgba(0,212,255,0.2);
  border-radius: 10px;
  color: var(--text-1);
  font-size: 0.875rem;
}

.form-success.visible {
  display: flex;
  animation: success-in 0.4s var(--ease-out) both;
}

.form-success strong {
  font-family: var(--font-head);
  font-weight: 600;
  color: var(--teal);
  display: block;
  margin-bottom: 0.125rem;
}

.form-success p {
  color: var(--text-2);
  font-size: 0.8125rem;
}

@keyframes success-in {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ─── Footer ─────────────────────────────────────────────────────── */
footer {
  background: var(--bg-1);
  border-top: 1px solid var(--border);
  padding: 3rem 1.25rem;
  text-align: center;
}

.footer-inner {
  max-width: var(--container);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text-0);
  margin-bottom: 0.25rem;
}

.footer-tagline {
  font-size: 0.875rem;
  color: var(--text-3);
  font-family: var(--font-head);
}

.footer-email {
  font-family: var(--font-head);
  font-size: 0.875rem;
  color: var(--teal);
  transition: opacity 0.2s;
}
.footer-email:hover { opacity: 0.7; }

.footer-copy {
  font-size: 0.75rem;
  color: var(--text-3);
  margin-top: 0.5rem;
}

/* ─── Scroll Reveal Animations ───────────────────────────────────── */
.reveal-fade {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}

.reveal-scale {
  opacity: 0;
  transform: translateY(20px) scale(0.96);
  transition: opacity 0.6s var(--ease-out), transform 0.6s var(--ease-out);
}

.reveal-left {
  opacity: 0;
  transform: translateX(-30px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}

.reveal-right {
  opacity: 0;
  transform: translateX(30px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}

.revealed {
  opacity: 1 !important;
  transform: none !important;
}

/* ─── FAQ Accordion ────────────────────────────────────────────────  */
.faq-list {
  max-width: 780px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  text-align: left;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  overflow: hidden;
  transition: border-color 0.3s;
}

.faq-item.open {
  border-color: rgba(0,212,255,0.22);
}

.faq-q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 1.25rem 1.5rem;
  background: transparent;
  border: none;
  text-align: left;
  cursor: pointer;
  gap: 1rem;
  transition: background 0.2s;
}

.faq-q:hover { background: rgba(255,255,255,0.025); }

.faq-q span {
  font-family: var(--font-head);
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-0);
  line-height: 1.4;
  flex: 1;
}

.faq-arrow {
  color: var(--text-3);
  flex-shrink: 0;
  transition: transform 0.35s var(--ease-out), color 0.2s;
}

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

.faq-a {
  max-height: 0;
  overflow: hidden;
  font-size: 0.9375rem;
  color: var(--text-2);
  line-height: 1.75;
  transition: max-height 0.4s var(--ease-out), padding 0.35s var(--ease-out);
  padding: 0 1.5rem;
}

.faq-a.open-a {
  max-height: 400px;
  padding: 0 1.5rem 1.375rem;
}

/* ─── Responsive ─────────────────────────────────────────────────── */
@media (max-width: 900px) {
  .why-inner,
  .contact-inner {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .why-left .section-title,
  .contact-left .section-title {
    text-align: center;
  }

  .why-left .section-eyebrow,
  .contact-left .section-eyebrow {
    text-align: center;
  }

  .why-left .section-sub,
  .contact-left .section-sub {
    text-align: center;
    max-width: 100%;
  }

  .why-left a.btn-primary {
    margin: 1.5rem auto 0;
    display: inline-flex;
  }

  .steps-line { display: none; }

  .step-item {
    flex-direction: column;
    gap: 0.75rem;
    align-items: flex-start;
  }
}

@media (max-width: 640px) {
  .nav-links {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(3, 8, 24, 0.97);
    backdrop-filter: blur(20px);
    flex-direction: column;
    justify-content: center;
    z-index: 99;
    gap: 0.75rem;
    padding: 2rem;
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.4s var(--ease-out), opacity 0.3s;
  }

  .nav-links.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav-link {
    font-size: 1.125rem;
    padding: 0.875rem 1.5rem;
    width: 100%;
    text-align: center;
    border-radius: 12px;
  }

  .nav-cta {
    font-size: 1rem;
    padding: 0.875rem 2rem;
    margin: 0.5rem 0 0;
    text-align: center;
    border-radius: 12px;
  }

  .nav-toggle { display: flex; z-index: 100; }

  .hero-stats {
    flex-direction: column;
    gap: 1.5rem;
    max-width: 260px;
  }

  .stat-divider {
    width: 48px;
    height: 1px;
  }

  .features-grid,
  .decisions-grid {
    grid-template-columns: 1fr;
  }

  .diff-item {
    flex-direction: column;
    gap: 0.75rem;
  }

  .contact-form { padding: 1.5rem; }
}

@media (max-width: 480px) {
  .hero-actions { flex-direction: column; align-items: stretch; }
  .btn-primary, .btn-ghost { justify-content: center; }
}