/* ══════════════════════════════════════════════════════════
   SPLINSTER WAITLIST — Exact replica of main landing page design
   Light theme, Plus Jakarta Sans, purple brand, glass nav
   ══════════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800;900&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Instrument+Serif:ital@0;1&display=swap');

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

:root {
  --brand-purple: #8875F5;
  --brand-purple-dark: #6B5AE0;
  --brand-purple-deep: #5240C8;
  --brand-navy: #2B3094;
  --brand-navy-dark: #1E2270;

  --surface-white: #FFFFFF;
  --surface-bg: #F9F8FF;
  --surface-bg-alt: #F4F2FF;
  --surface-purple-subtle: #EEE9FF;
  --surface-purple-light: #F7F5FF;

  --text-primary: #0D0C1A;
  --text-secondary: #4A4875;
  --text-muted: #8E8BB0;
  --text-inverse: #FFFFFF;

  --border-default: rgba(136, 117, 245, 0.14);
  --border-light: rgba(43, 48, 148, 0.07);
  --border-strong: rgba(136, 117, 245, 0.3);

  --shadow-card: 0 1px 2px rgba(43, 48, 148, 0.04), 0 8px 24px rgba(136, 117, 245, 0.07);
  --shadow-card-hover: 0 4px 8px rgba(43, 48, 148, 0.06), 0 20px 48px rgba(136, 117, 245, 0.14);
  --shadow-btn: 0 0 0 1px #8875F5, 0 4px 16px rgba(136, 117, 245, 0.35);
  --shadow-btn-hover: 0 0 0 1px #6B5AE0, 0 6px 24px rgba(136, 117, 245, 0.45);

  --glass-bg: rgba(255, 255, 255, 0.75);

  --radius-xs: 6px;
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --radius-full: 9999px;

  --ease-out: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --duration-fast: 180ms;
  --duration-base: 280ms;
  --duration-slow: 420ms;

  --success: #059669;
  --max-width: 1160px;

  --font-body: 'Plus Jakarta Sans', system-ui, sans-serif;
  --font-display: 'Instrument Serif', Georgia, serif;
}

html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }

body {
  font-family: var(--font-body);
  color: var(--text-primary);
  background: var(--surface-bg);
  line-height: 1.6;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
button { font-family: inherit; cursor: pointer; border: none; outline: none; background: none; }

/* ── Scroll Animations ── */
[data-animate] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity var(--duration-slow) var(--ease-out), transform var(--duration-slow) var(--ease-out);
}

[data-animate].visible { opacity: 1; transform: translateY(0); }
[data-animate][data-delay="1"] { transition-delay: 80ms; }
[data-animate][data-delay="2"] { transition-delay: 160ms; }
[data-animate][data-delay="3"] { transition-delay: 240ms; }
[data-animate][data-delay="4"] { transition-delay: 320ms; }

@keyframes meshPulse {
  0% { opacity: 0.6; transform: scale(1) translate(0, 0); }
  50% { opacity: 0.9; transform: scale(1.08) translate(2%, 1%); }
  100% { opacity: 0.6; transform: scale(1) translate(0, 0); }
}

@keyframes meshPulse2 {
  0% { opacity: 0.5; transform: scale(1) translate(0, 0); }
  50% { opacity: 0.8; transform: scale(1.05) translate(-3%, 2%); }
  100% { opacity: 0.5; transform: scale(1) translate(0, 0); }
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-8px); }
}

@keyframes glowPulse {
  0%, 100% { box-shadow: var(--shadow-btn); }
  50% { box-shadow: var(--shadow-btn-hover); }
}

@keyframes badgePulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(1.4); }
}

/* Mobile-only desktop banner (hidden on desktop) */
.mobile-banner {
  display: none;
}

/* ══ NAV ══ */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: 68px; display: flex; align-items: center;
  background: transparent;
  transition: background var(--duration-base) var(--ease-out), border-color var(--duration-base), box-shadow var(--duration-base);
  border-bottom: 1px solid transparent;
}

.nav.scrolled {
  background: var(--surface-bg);
  border-bottom-color: var(--border-light);
  box-shadow: 0 1px 3px rgba(0,0,0,0.04);
}

.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  width: 100%; max-width: var(--max-width);
  margin: 0 auto; padding: 0 24px;
}

.nav-logo { display: flex; align-items: center; }
.nav-logo img { width: 160px; height: auto; }

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

.nav-link {
  font-weight: 500; font-size: 14px; color: var(--text-secondary);
  transition: color var(--duration-fast); cursor: pointer;
  background: none; border: none; padding: 0; position: relative;
}
.nav-link:hover { color: var(--brand-purple); }
.nav-link::after {
  content: ''; position: absolute; bottom: -4px; left: 0;
  width: 100%; height: 1.5px; background: var(--brand-purple);
  transform: scaleX(0); transform-origin: left;
  transition: transform var(--duration-fast);
}
.nav-link:hover::after { transform: scaleX(1); }

.nav-actions { display: flex; align-items: center; gap: 12px; }

.nav-badge {
  padding: 8px 18px; border-radius: var(--radius-sm);
  background: var(--brand-purple); color: white;
  font-weight: 700; font-size: 14px;
  animation: glowPulse 3s ease-in-out infinite;
  transition: background var(--duration-fast), transform var(--duration-fast) var(--ease-spring);
}
.nav-badge:hover { background: var(--brand-purple-dark); transform: translateY(-2px); }

/* ══ HERO ══ */
.hero {
  position: relative; min-height: 100vh; padding-top: 68px;
  display: flex; align-items: center;
  background: var(--surface-bg); overflow: hidden;
}

.hero::before {
  content: ''; position: absolute; width: 700px; height: 700px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(136,117,245,0.18) 0%, transparent 70%);
  top: -200px; left: -200px;
  animation: meshPulse 14s ease-in-out infinite; pointer-events: none;
}

.hero::after {
  content: ''; position: absolute; width: 500px; height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(43,48,148,0.10) 0%, transparent 65%);
  bottom: -100px; right: 0;
  animation: meshPulse2 18s ease-in-out infinite; pointer-events: none;
}

.hero-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 60px;
  align-items: center; max-width: var(--max-width);
  margin: 0 auto; padding: 0 24px;
  position: relative; z-index: 1;
}

.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--surface-purple-subtle);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-full);
  padding: 6px 14px 6px 8px;
  font-size: 12px; font-weight: 600; color: var(--brand-purple-dark);
}

.hero-badge-dot {
  width: 6px; height: 6px; background: var(--brand-purple);
  border-radius: 50%; animation: badgePulse 2s infinite;
}

.hero h1 {
  font-family: var(--font-display);
  font-weight: 900; font-size: clamp(40px, 5.2vw, 72px);
  line-height: 1.06; letter-spacing: -0.03em;
  color: var(--brand-navy-dark); margin: 24px 0 0;
}

.hero h1 em { color: var(--brand-purple); font-style: italic; }

.hero-b2b {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px; font-weight: 600; color: var(--brand-purple);
  margin-top: 18px;
  background: rgba(136,117,245,0.08);
  border: 1px solid rgba(136,117,245,0.25);
  border-radius: 20px; padding: 5px 14px;
}

.hero-sub {
  font-size: clamp(16px, 1.8vw, 19px); font-weight: 400;
  line-height: 1.7; color: var(--text-secondary);
  margin-top: 16px; max-width: 480px;
}

.hero-ctas { display: flex; gap: 12px; margin-top: 36px; flex-wrap: wrap; }

.btn-primary {
  display: inline-flex; align-items: center; justify-content: center;
  height: 54px; padding: 0 28px;
  background: var(--brand-purple); color: white;
  border: none; border-radius: var(--radius-sm);
  font-weight: 700; font-size: 15px;
  animation: glowPulse 3s ease-in-out infinite;
  transition: background var(--duration-fast), transform var(--duration-fast) var(--ease-spring);
}
.btn-primary:hover { background: var(--brand-purple-dark); transform: translateY(-2px); }

.btn-secondary {
  display: inline-flex; align-items: center; justify-content: center;
  height: 54px; padding: 0 24px;
  background: transparent; color: var(--text-primary);
  border: 1.5px solid var(--border-light);
  border-radius: var(--radius-sm);
  font-weight: 600; font-size: 15px;
  transition: border-color var(--duration-fast), color var(--duration-fast), transform var(--duration-fast);
}
.btn-secondary:hover { border-color: var(--brand-purple); color: var(--brand-purple); transform: translateY(-2px); }

.hero-trust {
  display: flex; align-items: center; gap: 10px; margin-top: 20px;
}
.hero-trust span { font-size: 13px; color: var(--text-muted); }
.hero-trust .sep { opacity: 0.5; }

.hero-image { position: relative; }
.hero-image-glow {
  position: absolute; width: 90%; height: 90%; border-radius: 50%;
  background: radial-gradient(circle, rgba(136,117,245,0.2) 0%, transparent 70%);
  top: 50%; left: 50%; transform: translate(-50%, -50%);
  filter: blur(40px); z-index: -1;
}
.hero-image-wrap {
  position: relative; width: 100%;
  border-radius: var(--radius-xl); overflow: hidden;
  background: var(--surface-purple-subtle);
  animation: float 6s ease-in-out infinite;
}

/* ══ SECTIONS SHARED ══ */
.section {
  padding: 80px 24px;
  max-width: var(--max-width); margin: 0 auto;
}

.section-center { text-align: center; }

.eyebrow {
  display: inline-block;
  font-size: 11px; font-weight: 700; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--brand-purple);
  margin-bottom: 12px;
}

.section-heading {
  font-family: var(--font-display);
  font-size: clamp(28px, 3.5vw, 44px); font-weight: 800;
  line-height: 1.15; letter-spacing: -0.02em;
  color: var(--brand-navy-dark); margin-bottom: 14px;
}
.section-heading em { color: var(--brand-purple); font-style: italic; }

.section-sub {
  font-size: 17px; line-height: 1.65; color: var(--text-secondary);
  max-width: 580px;
}
.section-center .section-sub { margin: 0 auto; }

/* ══ USP CARDS ══ */
.cards-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 16px; margin-top: 40px;
}

.card {
  background: var(--surface-white);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  padding: 28px;
  transition: box-shadow var(--duration-base) var(--ease-out), transform var(--duration-fast) var(--ease-spring);
}
.card:hover { box-shadow: var(--shadow-card-hover); transform: translateY(-4px); }

.card-icon {
  width: 44px; height: 44px; border-radius: var(--radius-sm);
  background: var(--surface-purple-subtle);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 16px; color: var(--brand-purple);
}

.card h3 {
  font-family: var(--font-body);
  font-size: 16px; font-weight: 700; color: var(--text-primary);
  margin-bottom: 8px;
}

.card p { font-size: 14px; color: var(--text-secondary); line-height: 1.6; }

.card p strong {
  color: var(--brand-purple-dark);
  font-weight: 700;
}

/* ══ HOW IT WORKS (Tabbed) ══ */
.tab-toggle {
  display: inline-flex; align-items: center;
  background: var(--surface-purple-light);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-full);
  padding: 4px; gap: 4px;
  margin-top: 24px; margin-bottom: 28px;
  position: relative;
}

.tab-slider {
  position: absolute;
  top: 4px;
  bottom: 4px;
  background: var(--brand-purple);
  border-radius: var(--radius-full);
  box-shadow: 0 2px 8px rgba(136, 117, 245, 0.3);
  transition: left 0.28s cubic-bezier(0.4, 0, 0.2, 1), width 0.28s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 1;
}

.tab-btn {
  position: relative;
  z-index: 2;
  display: inline-flex; align-items: center; gap: 6px;
  padding: 10px 22px; border-radius: var(--radius-full);
  font-size: 14px; font-weight: 600;
  color: var(--text-secondary);
  background: transparent; border: none;
  cursor: pointer; transition: color 0.25s ease-out;
}

.tab-btn:hover { color: var(--brand-purple); }

.tab-btn.active {
  color: white !important;
}

.tab-btn.active svg { stroke: white; }

.hiw-grid {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.hiw-card {
  background: var(--surface-white);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  padding: 24px;
  text-align: left;
  transition: box-shadow var(--duration-base), transform var(--duration-fast) var(--ease-spring);
}
.hiw-card:hover { box-shadow: var(--shadow-card-hover); transform: translateY(-3px); }

.hiw-card-top {
  display: flex; align-items: flex-start; justify-content: space-between;
  margin-bottom: 16px;
}

.hiw-icon {
  width: 40px; height: 40px; border-radius: var(--radius-sm);
  background: var(--surface-purple-subtle);
  display: flex; align-items: center; justify-content: center;
  color: var(--brand-purple);
}

.hiw-num {
  font-family: var(--font-display);
  font-size: 56px; font-weight: 900;
  color: var(--brand-purple);
  opacity: 0.08;
  line-height: 1;
  margin-top: -8px;
}

.hiw-card h3 {
  font-size: 16px; font-weight: 700; color: var(--text-primary);
  margin-bottom: 8px;
}

.hiw-card p {
  font-size: 14px; color: var(--text-secondary); line-height: 1.6;
}

/* ══ WAITLIST FORM (CTA Section) ══ */
.cta-section {
  padding: 80px 24px; text-align: center;
}

.cta-box {
  max-width: 680px; margin: 0 auto;
  padding: 56px 48px;
  background: var(--surface-white);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
}

.cta-box h2 {
  font-family: var(--font-display);
  font-size: clamp(24px, 3vw, 36px); font-weight: 800;
  line-height: 1.2; letter-spacing: -0.02em;
  color: var(--brand-navy-dark); margin-bottom: 10px;
}
.cta-box h2 em { color: var(--brand-purple); font-style: italic; }

.cta-box > p { font-size: 16px; color: var(--text-secondary); margin-bottom: 28px; line-height: 1.6; }

.waitlist-form { max-width: 420px; margin: 0 auto; text-align: left; }

.form-group { margin-bottom: 14px; }
.form-label {
  display: block; font-size: 13px; font-weight: 600;
  color: var(--text-secondary); margin-bottom: 6px;
}

.form-input {
  width: 100%; padding: 13px 16px;
  background: var(--surface-bg);
  border: 1.5px solid var(--border-default);
  border-radius: var(--radius-xs);
  color: var(--text-primary); font-family: var(--font-body);
  font-size: 14px; outline: none;
  transition: border-color var(--duration-fast), box-shadow var(--duration-fast);
}
.form-input::placeholder { color: var(--text-muted); }
.form-input:focus { border-color: var(--brand-purple); box-shadow: 0 0 0 3px rgba(136,117,245,0.12); }

.form-select {
  width: 100%; padding: 13px 16px;
  background: var(--surface-bg);
  border: 1.5px solid var(--border-default);
  border-radius: var(--radius-xs);
  color: var(--text-primary); font-family: var(--font-body);
  font-size: 14px; outline: none; cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%238E8BB0' stroke-width='1.5' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 14px center;
  transition: border-color var(--duration-fast), box-shadow var(--duration-fast);
}
.form-select:focus { border-color: var(--brand-purple); box-shadow: 0 0 0 3px rgba(136,117,245,0.12); }

.btn-submit {
  width: 100%; padding: 15px;
  background: var(--brand-purple); color: white;
  font-size: 15px; font-weight: 700;
  border: none; border-radius: var(--radius-sm);
  cursor: pointer; margin-top: 6px;
  box-shadow: var(--shadow-btn);
  transition: background var(--duration-fast), transform var(--duration-fast) var(--ease-spring), box-shadow var(--duration-fast);
}
.btn-submit:hover { background: var(--brand-purple-dark); transform: translateY(-2px); box-shadow: var(--shadow-btn-hover); }
.btn-submit:disabled { opacity: 0.6; cursor: not-allowed; transform: none; }

.form-note {
  text-align: center; font-size: 12px; color: var(--text-muted); margin-top: 14px;
}

/* Success */
.form-success { text-align: center; padding: 20px 0; }
.form-success .success-badge {
  margin: 0 auto 16px;
  display: block;
  animation: successPulse 0.6s 1.6s cubic-bezier(0.4, 0, 0.2, 1) both;
}

.success-checkmark {
  stroke-dasharray: 120;
  stroke-dashoffset: 120;
  animation: drawCheck 0.75s 0.45s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

@keyframes drawCheck {
  to { stroke-dashoffset: 0; }
}

@keyframes successPulse {
  0% { transform: scale(1); }
  50% { transform: scale(1.08); }
  100% { transform: scale(1); }
}

.form-success h3 { font-size: 20px; font-weight: 800; color: var(--text-primary); margin-bottom: 8px; }
.form-success p { font-size: 14px; color: var(--text-secondary); }

/* ══ FAQ ══ */
.faq-list {
  max-width: 720px; margin: 32px auto 0;
}

.faq-item {
  background: var(--surface-white);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-sm);
  margin-bottom: 10px;
  cursor: pointer;
  overflow: hidden;
  transition: border-color var(--duration-fast), box-shadow var(--duration-fast), transform var(--duration-fast);
}

.faq-item:hover {
  border-color: var(--brand-purple);
  box-shadow: 0 4px 20px rgba(136, 117, 245, 0.08);
}

.faq-item:hover .faq-question span:first-child {
  color: var(--brand-purple-dark);
}

.faq-item:hover .faq-chevron {
  color: var(--brand-purple-dark);
}

.faq-item.open {
  border-color: var(--brand-purple);
  box-shadow: 0 0 0 3px rgba(136,117,245,0.08);
}

.faq-question {
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 22px;
}

.faq-question span:first-child {
  font-size: 15px; font-weight: 600; color: var(--text-primary);
  line-height: 1.4;
  transition: color var(--duration-fast) var(--ease-out);
}

.faq-chevron {
  font-size: 22px; font-weight: 300; color: var(--brand-purple);
  transition: transform var(--duration-base) var(--ease-out), color var(--duration-fast) var(--ease-out);
  flex-shrink: 0; margin-left: 16px;
}

.faq-item.open .faq-chevron { transform: rotate(45deg); }

.faq-answer {
  max-height: 0; overflow: hidden;
  transition: max-height var(--duration-base) var(--ease-out), padding var(--duration-base);
  padding: 0 22px;
}

.faq-item.open .faq-answer {
  max-height: 200px;
  padding: 0 22px 18px;
}

.faq-answer p {
  font-size: 14px; color: var(--text-secondary); line-height: 1.65;
}

.faq-answer strong { color: var(--brand-purple-dark); font-weight: 700; }

/* ══ COMING SOON ══ */
.coming-soon {
  text-align: center;
  padding: 48px 24px;
  background: var(--surface-bg-alt);
  border-top: 1px solid var(--border-default);
}

.coming-soon-label {
  display: inline-block;
  font-family: var(--font-display);
  font-size: clamp(28px, 3vw, 40px);
  font-weight: 800;
  font-style: italic;
  color: var(--brand-purple);
  letter-spacing: -0.02em;
}

.coming-soon p {
  font-size: 15px;
  color: var(--text-muted);
  margin-top: 8px;
}

/* ══ FOOTER ══ */
.footer {
  padding: 64px 24px;
  border-top: 1px solid var(--border-light);
  background: var(--surface-bg);
}

.footer-inner {
  max-width: var(--max-width); margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1.2fr 1fr;
  gap: 48px;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 16px;
}

.footer-brand img {
  width: 140px;
  height: auto;
  opacity: 0.85;
}

.footer-tagline {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
  max-width: 360px;
}

.footer-copy {
  font-size: 13px;
  color: var(--text-muted);
}

.footer-nav, .footer-connect {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
}


.footer-link {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
  text-align: left;
  transition: color var(--duration-fast);
}

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

.footer-email {
  font-size: 14px;
  font-weight: 600;
  color: var(--brand-purple);
  margin-top: 8px;
  transition: color var(--duration-fast);
}

.footer-email:hover {
  color: var(--brand-purple-dark);
}

.footer-socials {
  display: flex;
  gap: 8px;
  margin-bottom: 8px;
}

.social-btn {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 1px solid var(--border-default);
  background: var(--surface-white);
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--duration-fast);
}

.social-btn:hover {
  border-color: var(--brand-purple);
  color: var(--brand-purple);
  background: var(--surface-purple-light);
  transform: translateY(-2px);
}

.social-icon-img {
  opacity: 0.45;
  transition: opacity var(--duration-fast), filter var(--duration-fast);
}

.social-btn:hover .social-icon-img {
  opacity: 0.8;
  filter: brightness(0) saturate(100%) invert(37%) sepia(52%) saturate(2878%) hue-rotate(233deg) brightness(96%) contrast(93%);
}

.scroll-top-btn {
  display: none;
}

/* ══ RESPONSIVE ══ */
@media (max-width: 1024px) {
  .hero-grid { grid-template-columns: 1fr; gap: 48px; text-align: center; }
  .hero-sub { margin-left: auto; margin-right: auto; }
  .hero-ctas { justify-content: center; }
  .hero-trust { justify-content: center; }
  .hero-image { max-width: 480px; margin: 0 auto; }
  .hero { min-height: auto; padding-bottom: 60px; }
  .cards-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  /* Prevent horizontal scrolling on mobile */
  html, body {
    max-width: 100%;
    overflow-x: hidden;
  }

  /* Mobile Hero: Clean Centered Stacked Layout (Big Company Style) */
  .hero-grid > div:first-child {
    display: block; /* Restore normal block flow */
  }
  .hero {
    min-height: auto;
    padding-top: 24px; /* Clean spacing below sticky navbar */
    padding-bottom: 60px; /* Healthy bottom space to prevent next section overlap */
    overflow: visible;
  }
  .hero-grid {
    grid-template-columns: 1fr; /* Stacked layout */
    grid-template-areas: none; /* Disable grid areas */
    gap: 28px; /* Spacious gaps */
    text-align: center; /* Centered layout */
  }

  .hero-badge {
    display: inline-flex;
    font-size: 11px;
    padding: 5px 10px;
    margin: 0 auto;
  }
  .hero-badge-dot {
    width: 6px;
    height: 6px;
  }
  .hero h1 {
    font-size: clamp(28px, 8vw, 36px);
    line-height: 1.15;
    margin: 16px auto 0;
    max-width: 90%;
  }
  .hero-b2b {
    display: inline-flex;
    font-size: 12px;
    padding: 6px 14px;
    margin: 16px auto 0;
  }
  .hero-sub {
    font-size: 14.5px;
    line-height: 1.6;
    margin: 16px auto 0;
    max-width: 480px; /* Centered constraints */
  }
  .hero-image {
    max-width: 280px; /* Premium photo size */
    margin: 0 auto;
  }
  .hero-image-wrap {
    border-radius: var(--radius-xl); /* Restore premium rounded corners */
    animation: float 6s ease-in-out infinite;
    background: var(--surface-purple-subtle);
    box-shadow: var(--shadow-card);
  }
  .hero-image-glow {
    display: block; /* Keep glow enabled on tablet/mobile stack for premium aesthetics */
    opacity: 0.15;
  }
  .hero-ctas {
    justify-content: center;
    margin-top: 24px;
    gap: 12px;
  }
  .hero-trust {
    justify-content: center;
    margin-top: 16px;
  }
  .hero-trust span {
    font-size: 13.5px;
  }

  /* Mobile Desktop Recommendation Banner */
  .mobile-banner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: rgba(136, 117, 245, 0.08); /* Soft purple background */
    border-bottom: 1px solid var(--border-strong);
    padding: 6px 12px; /* Tight padding to maximize horizontal space */
    gap: 8px;
    z-index: 101;
    position: relative;
    max-height: 80px; /* Safe starting maximum height */
    overflow: hidden;
    transition: max-height 0.25s cubic-bezier(0.4, 0, 0.2, 1), padding 0.25s ease, opacity 0.25s ease, border-bottom-width 0.25s ease;
  }
  .mobile-banner.dismissed {
    max-height: 0 !important;
    padding-top: 0 !important;
    padding-bottom: 0 !important;
    opacity: 0 !important;
    border-bottom-width: 0 !important;
    border-bottom-color: transparent !important;
  }
  .mobile-banner-content {
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--brand-navy-dark);
    font-size: 10.5px; /* Compact font to prevent wrapping */
    font-weight: 700;
    line-height: 1.3;
    white-space: normal; /* Wraps cleanly on tiny viewports */
  }
  .mobile-banner-icon {
    color: var(--brand-purple);
    flex-shrink: 0;
  }
  .mobile-banner-close {
    background: none;
    border: none;
    font-size: 18px;
    font-weight: 300;
    color: var(--text-muted);
    cursor: pointer;
    line-height: 1;
    display: flex;
    align-items: center;
    padding: 0 2px;
  }

  /* Nav Mobile Polish */
  .nav {
    position: sticky;
    top: 0;
    height: 58px;
    background: var(--surface-bg); /* Solid background so scrolling text is hidden behind nav */
  }
  .nav-inner { padding: 0 16px; }
  .nav-logo img { width: 125px; }
  .nav-badge { padding: 6px 12px; font-size: 12px; }

  /* Sections Mobile Padding & Cards spacing */
  .section { padding: 48px 16px; }
  .card { padding: 20px; }
  .hiw-card { padding: 20px; }
  .tab-btn { padding: 8px 16px; font-size: 13px; }

  /* USP Cards Mobile: Stack 1-column */
  .cards-grid { grid-template-columns: 1fr; }

  /* HIW Grid Mobile */
  .hiw-grid { grid-template-columns: repeat(2, 1fr); }
  .nav-links { display: none; }
  
  /* FAQ Mobile Polish */
  .faq-item {
    transition: border-color var(--duration-fast), box-shadow var(--duration-fast), transform 0.15s cubic-bezier(0.34, 1.56, 0.64, 1);
  }
  .faq-item:active {
    transform: scale(0.985);
    transition: transform 0.08s ease;
  }
  .faq-question { padding: 14px 18px; }
  .faq-question span:first-child { font-size: 14px; }
  .faq-item.open .faq-answer { padding: 0 18px 14px; }
  .faq-answer p { font-size: 13px; }

  /* CTA Form mobile padding */
  .cta-box { padding: 36px 20px; }
  .waitlist-form { padding: 0 4px; }

  /* Footer Mobile Layout */
  .footer {
    padding: 48px 16px 32px;
    position: relative; /* Position context for the absolute scroll-top-btn */
  }
  .footer-inner {
    grid-template-columns: 1fr;
    gap: 36px;
    text-align: center;
  }
  .footer-brand, .footer-nav, .footer-connect {
    align-items: center;
    padding: 0 28px; /* Avoid overlapping the absolute button on narrow screens */
  }
  .footer-tagline {
    max-width: 100%;
    font-size: 13.5px;
  }
  .footer-copy {
    margin-top: 4px;
  }
  .footer-email {
    margin-top: 4px;
  }
  
  /* Mobile Scroll to Top Button */
  .scroll-top-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: var(--surface-purple-subtle);
    border: 1.5px solid var(--border-default);
    color: var(--brand-purple);
    cursor: pointer;
    position: absolute;
    right: 16px;
    top: 50%;
    transform: translateY(-50%);
    transition: all var(--duration-fast) var(--ease-spring);
    box-shadow: 0 2px 8px rgba(136, 117, 245, 0.12);
  }
  .scroll-top-btn:active {
    transform: translateY(-50%) scale(0.9) !important;
    background: var(--surface-purple-light);
  }

  /* Touch Tappable Form Fields (Height 52px) */
  .form-input, .form-select {
    padding: 16px 16px;
  }

  /* Touch Active Feedback State (Physics effect) */
  .btn-primary:active,
  .btn-secondary:active,
  .btn-submit:active,
  .nav-badge:active,
  .social-btn:active {
    transform: scale(0.96) !important;
    transition: transform 0.08s ease !important;
  }
}

@media (max-width: 600px) {
  .hero-ctas { flex-direction: column; align-items: stretch; gap: 10px; }
  .btn-primary, .btn-secondary { width: 100%; max-width: 100%; height: 56px; font-size: 16px; } /* Zoomed buttons */
  .hero-trust { flex-wrap: wrap; justify-content: flex-start; gap: 4px; }
  
  /* Form inputs mobile sizing */
  .cta-box { padding: 28px 16px; border-radius: var(--radius-md); }
  .cta-box h2 { font-size: clamp(20px, 4vw, 26px); }
  .cta-box > p { font-size: 14px; margin-bottom: 20px; }
  .form-input, .form-select { padding: 16px 14px; font-size: 13px; } /* Tappable height kept at 52px */
  .btn-submit { padding: 12px; font-size: 14px; }
}

@media (max-width: 480px) {
  /* HIW Grid: 1-column on small screens */
  .hiw-grid { grid-template-columns: 1fr; }
  .hero-grid {
    gap: 20px; /* Centered grid gap */
  }
  .hero h1 {
    font-size: 26px; /* Optimized heading for small phones */
  }
  .hero-sub {
    font-size: 13.5px;
    line-height: 1.5;
  }
  .hero-image {
    max-width: 240px; /* Nice centered size for small phones */
  }
  .hero-trust span {
    font-size: 12.5px;
  }
  .hero-b2b {
    font-size: 11px;
    padding: 5px 12px;
  }

  /* Tab toggle sizing */
  .tab-toggle { width: 100%; display: flex; }
  .tab-btn { flex: 1; justify-content: center; padding: 8px 8px; font-size: 12px; }
}