/* =============================================
   BRISBI — Global CSS Design System
   ============================================= */

/* ---- Design Tokens ---- */
:root {
  /* Colors */
  --color-bg: #0a0a0f;
  --color-bg-secondary: #0f0f1a;
  --color-bg-card: rgba(255, 255, 255, 0.04);
  --color-bg-card-hover: rgba(255, 255, 255, 0.07);
  --color-border: rgba(255, 255, 255, 0.08);
  --color-border-hover: rgba(167, 139, 250, 0.3);

  --color-text-primary: #f8fafc;
  --color-text-secondary: #94a3b8;
  --color-text-muted: #64748b;

  --color-accent-primary: #a78bfa;
  /* purple */
  --color-accent-secondary: #818cf8;
  /* indigo */
  --color-accent-blue: #38bdf8;
  --color-accent-green: #34d399;
  --color-accent-orange: #fb923c;
  --color-accent-pink: #f472b6;

  --gradient-primary: linear-gradient(135deg, #a78bfa 0%, #818cf8 50%, #38bdf8 100%);
  --gradient-glow: radial-gradient(ellipse at center, rgba(167, 139, 250, 0.15) 0%, transparent 70%);

  /* Typography */
  --font-heading: 'Outfit', 'Inter', sans-serif;
  --font-body: 'Inter', sans-serif;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 5rem;
  --space-4xl: 7rem;

  /* Radius */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-card: 0 4px 32px rgba(0, 0, 0, 0.3), 0 1px 0 rgba(255, 255, 255, 0.05) inset;
  --shadow-glow: 0 0 60px rgba(167, 139, 250, 0.2);
  --shadow-btn: 0 4px 24px rgba(167, 139, 250, 0.35);

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);

  /* Nav */
  --nav-height: 70px;
}

/* Light Mode */
[data-theme="light"] {
  --color-bg: #f8fafc;
  --color-bg-secondary: #ffffff;
  --color-bg-card: rgba(0, 0, 0, 0.03);
  --color-bg-card-hover: rgba(0, 0, 0, 0.06);
  --color-border: rgba(0, 0, 0, 0.08);
  --color-border-hover: rgba(109, 40, 217, 0.3);
  --color-text-primary: #0f172a;
  --color-text-secondary: #475569;
  --color-text-muted: #94a3b8;
  --color-accent-primary: #7c3aed;
  --color-accent-secondary: #4f46e5;
  --shadow-card: 0 4px 32px rgba(0, 0, 0, 0.08), 0 1px 0 rgba(0, 0, 0, 0.05);
  --shadow-glow: 0 0 60px rgba(109, 40, 217, 0.1);
  --shadow-btn: 0 4px 24px rgba(109, 40, 217, 0.3);
  --gradient-glow: radial-gradient(ellipse at center, rgba(109, 40, 217, 0.08) 0%, transparent 70%);
}

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

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

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

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

a {
  color: inherit;
  text-decoration: none;
}

ul {
  list-style: none;
}

button {
  cursor: pointer;
  border: none;
  background: none;
  font: inherit;
}

/* ---- Utility Classes ---- */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-xl);
}

.gradient-text {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

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

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

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-accent-primary);
  background: rgba(167, 139, 250, 0.1);
  border: 1px solid rgba(167, 139, 250, 0.2);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  margin-bottom: var(--space-lg);
}

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

.section-body {
  font-size: 1.125rem;
  color: var(--color-text-secondary);
  line-height: 1.75;
  max-width: 580px;
  margin-bottom: var(--space-lg);
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-heading);
  font-weight: 600;
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
  cursor: pointer;
  position: relative;
  white-space: nowrap;
  text-decoration: none;
}

.btn--primary {
  background: var(--gradient-primary);
  color: #ffffff;
  box-shadow: var(--shadow-btn);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(167, 139, 250, 0.5);
}

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

.btn--ghost {
  background: var(--color-bg-card);
  color: var(--color-text-primary);
  border: 1px solid var(--color-border);
  backdrop-filter: blur(8px);
}

.btn--ghost:hover {
  background: var(--color-bg-card-hover);
  border-color: var(--color-border-hover);
  transform: translateY(-2px);
}

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

.btn--lg {
  padding: 14px 28px;
  font-size: 1rem;
}

.btn--xl {
  padding: 18px 36px;
  font-size: 1.125rem;
}

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

/* ---- Reveal Animations ---- */
.reveal-up,
.reveal-left,
.reveal-right {
  opacity: 0;
  transition: opacity 0.7s ease, transform 0.7s ease;
  transition-delay: var(--delay, 0ms);
}

.reveal-up {
  transform: translateY(40px);
}

.reveal-left {
  transform: translateX(-40px);
}

.reveal-right {
  transform: translateX(40px);
}

.reveal-up.is-visible,
.reveal-left.is-visible,
.reveal-right.is-visible {
  opacity: 1;
  transform: translate(0, 0);
}

/* =============================================
   NAVIGATION
   ============================================= */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  transition: background-color var(--transition-base), backdrop-filter var(--transition-base), border-bottom-color var(--transition-base);
  border-bottom: 1px solid transparent;
}

.nav.scrolled {
  background: rgba(10, 10, 15, 0.85);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom-color: var(--color-border);
}

[data-theme="light"] .nav.scrolled {
  background: rgba(248, 250, 252, 0.85);
}

.nav__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-xl);
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-xl);
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: 4px;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.5rem;
  letter-spacing: -0.03em;
}

.nav__logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  background: var(--gradient-primary);
  border-radius: 8px;
  color: white;
  font-size: 1.1rem;
  flex-shrink: 0;
}

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

/* Real Brisbi logo image */
.nav__logo-img {
  height: 44px;
  width: auto;
  display: block;
  object-fit: contain;
  transition: opacity var(--transition-fast);
}

.nav__logo:hover .nav__logo-img {
  opacity: 0.85;
}

/* Footer logo — slightly larger */
.footer__brand .nav__logo-img {
  height: 48px;
}

/* Light mode: the logo has rich blues/cyans that render well on white already.
   Boost contrast slightly so the navy tones stay vivid */
[data-theme="light"] .nav__logo-img {
  filter: brightness(0.85) saturate(1.2);
}


.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
}

.nav__link {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
  position: relative;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 1.5px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transition: transform var(--transition-fast);
  transform-origin: left;
}

.nav__link:hover {
  color: var(--color-text-primary);
}

.nav__link:hover::after {
  transform: scaleX(1);
}

.nav__actions {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.theme-toggle {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  color: var(--color-text-secondary);
  transition: all var(--transition-fast);
}

.theme-toggle:hover {
  background: var(--color-bg-card-hover);
  color: var(--color-text-primary);
  border-color: var(--color-border-hover);
}

.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 6px;
}

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

.nav__mobile {
  display: none;
  position: fixed;
  top: var(--nav-height);
  left: 0;
  right: 0;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-lg) var(--space-xl);
  backdrop-filter: blur(20px);
}

.nav__mobile.is-open {
  display: block;
}

.nav__mobile ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.nav__mobile .nav__link {
  font-size: 1.0625rem;
  padding: var(--space-sm) 0;
  display: block;
}

/* =============================================
   HERO SECTION
   ============================================= */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--nav-height);
  position: relative;
  overflow: hidden;
}

.hero__bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(167, 139, 250, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(167, 139, 250, 0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}

.hero__orbs {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.hero__orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  animation: float 8s ease-in-out infinite;
}

.hero__orb--1 {
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(167, 139, 250, 0.12) 0%, transparent 70%);
  top: -200px;
  right: -100px;
  animation-delay: 0s;
}

.hero__orb--2 {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(56, 189, 248, 0.08) 0%, transparent 70%);
  bottom: -100px;
  left: 100px;
  animation-delay: -4s;
}

.hero__orb--3 {
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(244, 114, 182, 0.06) 0%, transparent 70%);
  top: 40%;
  left: 35%;
  animation-delay: -2s;
}

@keyframes float {

  0%,
  100% {
    transform: translateY(0px) scale(1);
  }

  50% {
    transform: translateY(-20px) scale(1.02);
  }
}

.hero__container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: var(--space-3xl);
  padding-top: var(--space-3xl);
  padding-bottom: var(--space-3xl);
  position: relative;
  z-index: 1;
}

.hero__content {
  max-width: 560px;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-accent-primary);
  background: rgba(167, 139, 250, 0.1);
  border: 1px solid rgba(167, 139, 250, 0.2);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  margin-bottom: var(--space-xl);
}

.hero__badge-dot {
  width: 7px;
  height: 7px;
  background: var(--color-accent-primary);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {

  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }

  50% {
    opacity: 0.5;
    transform: scale(0.8);
  }
}

.hero__headline {
  font-family: var(--font-heading);
  font-size: clamp(2.75rem, 6vw, 5rem);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -0.04em;
  color: var(--color-text-primary);
  margin-bottom: var(--space-xl);
}

.hero__subheadline {
  font-size: 1.1875rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: var(--space-2xl);
  max-width: 500px;
}

.hero__subheadline em {
  font-style: normal;
  color: var(--color-text-primary);
  font-weight: 500;
}

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

.hero__cta-note {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-2xl);
}

.hero__social-proof {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.hero__avatars {
  display: flex;
}

.avatar {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
  color: white;
  border: 2px solid var(--color-bg);
  margin-right: -8px;
  flex-shrink: 0;
}

.hero__social-text {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-left: 18px;
}

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

.hero__mockup-wrapper {
  position: relative;
  width: 100%;
  max-width: 520px;
}

.hero__mockup-glow {
  position: absolute;
  inset: -40px;
  background: radial-gradient(ellipse at center, rgba(167, 139, 250, 0.2) 0%, transparent 70%);
  pointer-events: none;
  animation: float 6s ease-in-out infinite reverse;
}

.hero__mockup {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: visible;
}

.hero__mockup-img {
  width: 100%;
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-card), 0 0 80px rgba(167, 139, 250, 0.15);
}

.hero__float-card {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 12px;
  background: rgba(15, 15, 26, 0.9);
  backdrop-filter: blur(16px);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 12px 18px;
  box-shadow: var(--shadow-card);
}

[data-theme="light"] .hero__float-card {
  background: rgba(255, 255, 255, 0.9);
}

.hero__float-card--top {
  top: -24px;
  right: -24px;
  animation: floatCard 4s ease-in-out infinite;
}

.hero__float-card--bottom {
  bottom: -24px;
  left: -24px;
  animation: floatCard 4s ease-in-out infinite;
  animation-delay: -2s;
}

@keyframes floatCard {

  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-8px);
  }
}

.float-card__icon {
  font-size: 1.5rem;
}

.float-card__value {
  font-family: var(--font-heading);
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--color-text-primary);
}

.float-card__label {
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

/* Hero Scroll Indicator */
.hero__scroll-indicator {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
}

.scroll-line {
  width: 1px;
  height: 60px;
  background: linear-gradient(to bottom, var(--color-accent-primary), transparent);
  margin: 0 auto;
  animation: scrollLine 2s ease-in-out infinite;
}

@keyframes scrollLine {
  0% {
    opacity: 0;
    transform: translateY(-10px);
  }

  50% {
    opacity: 1;
  }

  100% {
    opacity: 0;
    transform: translateY(10px);
  }
}

/* =============================================
   SECTION SPACING
   ============================================= */
section {
  padding: var(--space-4xl) 0;
  position: relative;
}

/* =============================================
   PROBLEM SECTION
   ============================================= */
.problem {
  background-color: var(--color-bg-secondary);
}

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

.problem .section-body {
  max-width: 600px;
  font-size: 1.25rem;
  font-weight: 400;
}

.problem__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
  margin-top: var(--space-3xl);
  width: 100%;
}

.problem__card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  text-align: left;
  transition: all var(--transition-base);
}

.problem__card:hover {
  background: var(--color-bg-card-hover);
  border-color: var(--color-border-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}

.problem__card-icon {
  font-size: 2rem;
  margin-bottom: var(--space-md);
}

.problem__card h3 {
  font-family: var(--font-heading);
  font-size: 1.0625rem;
  font-weight: 700;
  margin-bottom: var(--space-sm);
  color: var(--color-text-primary);
}

.problem__card p {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

.problem__closing {
  margin-top: var(--space-3xl);
  padding: var(--space-xl) var(--space-2xl);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 600px;
}

.problem__closing-text {
  font-family: var(--font-heading);
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--color-text-primary);
}

/* =============================================
   SOLUTION SECTION
   ============================================= */
.solution {
  overflow: hidden;
}

.solution__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: var(--space-4xl);
}

.solution__content {
  max-width: 480px;
}

.solution__cards {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.solution__card {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  padding: var(--space-lg);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
}

.solution__card--active {
  background: rgba(167, 139, 250, 0.08);
  border-color: rgba(167, 139, 250, 0.3);
  box-shadow: 0 0 24px rgba(167, 139, 250, 0.1);
}

.solution__card:hover {
  border-color: var(--color-border-hover);
  transform: translateX(4px);
}

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

.solution__card-content {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.solution__card-label {
  font-family: var(--font-heading);
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-accent-primary);
}

.solution__card-text {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  line-height: 1.55;
}

/* =============================================
   HOW IT WORKS
   ============================================= */
.how-it-works {
  background-color: var(--color-bg-secondary);
}

.how-it-works .container {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-xl);
  margin-top: var(--space-3xl);
  position: relative;
  width: 100%;
}

.step {
  position: relative;
  padding: var(--space-xl);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
}

.step:hover {
  border-color: var(--color-border-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}

.step__number {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 900;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: var(--space-md);
  line-height: 1;
}

.step__title {
  font-family: var(--font-heading);
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: var(--space-sm);
}

.step__body {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  line-height: 1.65;
}

/* =============================================
   FEATURES SECTION
   ============================================= */
.features__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
  margin-top: var(--space-3xl);
}

.feature-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--gradient-primary);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.feature-card:hover {
  background: var(--color-bg-card-hover);
  border-color: var(--color-border-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}

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

.feature-card--wide {
  grid-column: 1 / -1;
  display: flex;
  align-items: flex-start;
  gap: var(--space-xl);
}

.feature-card--wide .feature-card__title {
  font-size: 1.375rem;
}

.feature-card--wide .feature-card__body {
  max-width: 700px;
  font-size: 1.0625rem;
}

.feature-card__icon {
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(167, 139, 250, 0.08);
  border: 1px solid rgba(167, 139, 250, 0.15);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-lg);
  flex-shrink: 0;
}

.feature-card--wide .feature-card__icon {
  margin-bottom: 0;
  margin-top: 4px;
}

.feature-card__title {
  font-family: var(--font-heading);
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: var(--space-sm);
}

.feature-card__body {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
}

/* =============================================
   PSYCHOLOGICAL SHIFT SECTION
   ============================================= */
.mindshift {
  background: linear-gradient(135deg, rgba(167, 139, 250, 0.05) 0%, rgba(56, 189, 248, 0.03) 100%);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.mindshift__inner {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
  position: relative;
}

.mindshift__quote-mark {
  font-family: Georgia, serif;
  font-size: 8rem;
  line-height: 1;
  color: var(--color-accent-primary);
  opacity: 0.15;
  position: absolute;
  top: -2rem;
  left: -1rem;
  user-select: none;
  pointer-events: none;
}

.mindshift__headline {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 900;
  letter-spacing: -0.04em;
  color: var(--color-text-primary);
  margin-bottom: var(--space-xl);
  line-height: 1.1;
}

.mindshift__subtext {
  font-size: 1.25rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: var(--space-2xl);
}

.mindshift__subtext strong {
  color: var(--color-text-primary);
  font-weight: 600;
}

/* =============================================
   TRUST SECTION
   ============================================= */
.trust {
  background-color: var(--color-bg-secondary);
}

.trust .container {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.trust__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
  margin-top: var(--space-3xl);
  width: 100%;
  max-width: 900px;
}

.trust__card {
  display: flex;
  align-items: flex-start;
  gap: var(--space-lg);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  transition: all var(--transition-base);
}

.trust__card:hover {
  background: var(--color-bg-card-hover);
  border-color: var(--color-border-hover);
  transform: translateY(-3px);
  box-shadow: var(--shadow-card);
}

.trust__card-icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(52, 211, 153, 0.1);
  border: 1px solid rgba(52, 211, 153, 0.2);
  border-radius: var(--radius-md);
  color: var(--color-accent-green);
  flex-shrink: 0;
}

.trust__card-title {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: 6px;
}

.trust__card-body {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  line-height: 1.65;
}

.trust__note {
  margin-top: var(--space-2xl);
  font-size: 0.875rem;
  color: var(--color-text-muted);
  font-style: italic;
}

/* =============================================
   FINAL CTA SECTION
   ============================================= */
.final-cta {
  position: relative;
  overflow: hidden;
  text-align: center;
}

.final-cta__bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.final-cta__orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
}

.final-cta__orb--1 {
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, rgba(167, 139, 250, 0.12) 0%, transparent 70%);
  top: -200px;
  right: -200px;
}

.final-cta__orb--2 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(56, 189, 248, 0.08) 0%, transparent 70%);
  bottom: -150px;
  left: -100px;
}

.final-cta__inner {
  position: relative;
  z-index: 1;
  max-width: 700px;
  margin: 0 auto;
}

.final-cta__headline {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 1.05;
  color: var(--color-text-primary);
  margin-bottom: var(--space-xl);
}

.final-cta__subheadline {
  font-size: 1.25rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-2xl);
  line-height: 1.6;
}

.final-cta__note {
  margin-top: var(--space-md);
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

/* =============================================
   FOOTER
   ============================================= */
.footer {
  background-color: var(--color-bg-secondary);
  border-top: 1px solid var(--color-border);
  padding: var(--space-3xl) 0 var(--space-2xl);
}

.footer__inner {
  display: grid;
  grid-template-columns: 2fr 3fr;
  gap: var(--space-3xl);
  padding-bottom: var(--space-2xl);
  border-bottom: 1px solid var(--color-border);
}

.footer__tagline {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  margin-top: var(--space-md);
  margin-bottom: var(--space-md);
}

.footer__email {
  font-size: 0.875rem;
  color: var(--color-accent-primary);
  transition: color var(--transition-fast);
}

.footer__email:hover {
  color: var(--color-accent-secondary);
  text-decoration: underline;
}

.footer__nav {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

.footer__nav-label {
  display: block;
  font-family: var(--font-heading);
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
}

.footer__nav ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.footer__nav a {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
}

.footer__nav a:hover {
  color: var(--color-text-primary);
}

.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-xl);
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.footer__legal-links {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.footer__legal-links a {
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
}

.footer__legal-links a:hover {
  color: var(--color-text-primary);
}

/* =============================================
   RESPONSIVE — TABLET (≤ 1024px)
   ============================================= */
@media (max-width: 1024px) {
  .nav__links {
    display: none;
  }

  .nav__hamburger {
    display: flex;
  }

  .hero__container {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
    text-align: center;
  }

  .hero__content {
    max-width: 100%;
    margin: 0 auto;
  }

  .hero__subheadline {
    margin: 0 auto var(--space-2xl);
  }

  .hero__actions {
    justify-content: center;
  }

  .hero__social-proof {
    justify-content: center;
  }

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

  .problem__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .solution__inner {
    grid-template-columns: 1fr;
    gap: var(--space-3xl);
  }

  .solution__content {
    max-width: 100%;
  }

  .steps {
    grid-template-columns: repeat(2, 1fr);
  }

  .features__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .feature-card--wide {
    flex-direction: column;
  }

  .feature-card--wide .feature-card__icon {
    margin-bottom: var(--space-md);
  }

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

  .footer__inner {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }

  .footer__nav {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* =============================================
   RESPONSIVE — MOBILE (≤ 768px)
   ============================================= */
@media (max-width: 768px) {
  :root {
    --nav-height: 72px;
  }

  /* Nav logo — wider on mobile (image is 3.26:1 ratio, width drives size) */
  .nav__logo-img {
    width: 120px !important;
    height: auto !important;
    max-width: none !important;
  }

  /* Footer logo — keep at its original desktop size */
  .footer__brand .nav__logo-img {
    height: 48px !important;
    width: auto !important;
  }

  .container {
    padding: 0 var(--space-lg);
  }

  section {
    padding: var(--space-3xl) 0;
  }

  .hero__float-card--top {
    top: -12px;
    right: -12px;
  }

  .hero__float-card--bottom {
    bottom: -12px;
    left: -12px;
  }

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

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

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

  .feature-card--wide {
    grid-column: 1;
  }

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

  .footer__nav {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer__bottom {
    flex-direction: column;
    gap: var(--space-md);
    text-align: center;
  }

  .final-cta__headline {
    font-size: 2.25rem;
  }
}

/* =============================================
   RESPONSIVE — SMALL MOBILE (≤ 480px)
   ============================================= */
@media (max-width: 480px) {
  .hero__actions {
    flex-direction: column;
    width: 100%;
  }

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

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

/* =============================================
   FOCUS STYLES (ACCESSIBILITY)
   ============================================= */
a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--color-accent-primary);
  outline-offset: 3px;
  border-radius: 4px;
}

/* =============================================
   SKIP LINK
   ============================================= */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-md);
  background: var(--color-accent-primary);
  color: white;
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-sm);
  z-index: 9999;
  font-weight: 600;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: var(--space-md);
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }

  .reveal-up,
  .reveal-left,
  .reveal-right {
    opacity: 1 !important;
    transform: none !important;
  }
}

/* =============================================
   FOUNDER'S LETTER PREVIEW (homepage)
   ============================================= */
.founder-preview {
  background: var(--color-bg-secondary);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.founder-preview__inner {
  max-width: 900px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: start;
  gap: var(--space-3xl);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-3xl);
  position: relative;
  overflow: hidden;
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

/* Subtle top gradient accent bar */
.founder-preview__inner::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient-primary);
  opacity: 0.6;
}

.founder-preview__inner:hover {
  border-color: var(--color-border-hover);
  box-shadow: var(--shadow-card);
}

/* Author column */
.founder-preview__author {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--space-md);
  min-width: 120px;
}

.founder-preview__photo {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  object-fit: cover;
  object-position: top center;
  border: 2px solid var(--color-border);
  box-shadow: 0 0 0 5px rgba(167, 139, 250, 0.08), 0 8px 24px rgba(0, 0, 0, 0.25);
  display: block;
  flex-shrink: 0;
}

.founder-preview__name {
  font-family: var(--font-heading);
  font-size: 0.9375rem;
  font-weight: 800;
  color: var(--color-text-primary);
  letter-spacing: -0.01em;
}

.founder-preview__title {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  line-height: 1.5;
}

/* Content column */
.founder-preview__content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.founder-preview__headline {
  font-family: var(--font-heading);
  font-size: clamp(1.375rem, 2.5vw, 1.875rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--color-text-primary);
  line-height: 1.2;
  margin-bottom: var(--space-md);
}

.founder-preview__text {
  font-size: 1rem;
  color: var(--color-text-secondary);
  line-height: 1.75;
  margin-bottom: var(--space-sm);
  max-width: 520px;
}

/* CTA link — animated underline arrow */
.founder-preview__cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: var(--space-xl);
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-accent-primary);
  position: relative;
  transition: color var(--transition-fast), gap var(--transition-fast);
  text-decoration: none;
}

.founder-preview__cta::after {
  content: '';
  position: absolute;
  bottom: -3px;
  left: 0;
  width: 0;
  height: 1.5px;
  background: var(--gradient-primary);
  transition: width var(--transition-base);
  border-radius: 2px;
}

.founder-preview__cta:hover {
  color: var(--color-accent-secondary);
  gap: 12px;
}

.founder-preview__cta:hover::after {
  width: 100%;
}

/* Vertical divider between author and content */
.founder-preview__author + .founder-preview__content {
  padding-left: var(--space-2xl);
  border-left: 1px solid var(--color-border);
}

/* ---- Responsive ---- */
@media (max-width: 768px) {
  .founder-preview__inner {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
    padding: var(--space-xl);
  }

  .founder-preview__author {
    flex-direction: row;
    text-align: left;
    min-width: unset;
  }

  .founder-preview__photo {
    width: 72px;
    height: 72px;
  }

  .founder-preview__author + .founder-preview__content {
    padding-left: 0;
    border-left: none;
    padding-top: var(--space-lg);
    border-top: 1px solid var(--color-border);
  }
}