/* ============================================
   FOX RIDGE AI — Design Tokens & Styles
   Brand: Navy #02235B | Orange #DE3707
   ============================================ */

:root {
  /* Type Scale */
  --text-xs:   clamp(0.75rem,  0.7rem  + 0.25vw, 0.875rem);
  --text-sm:   clamp(0.875rem, 0.8rem  + 0.35vw, 1rem);
  --text-base: clamp(1rem,     0.95rem + 0.25vw, 1.125rem);
  --text-lg:   clamp(1.125rem, 1rem    + 0.75vw, 1.5rem);
  --text-xl:   clamp(1.5rem,   1.2rem  + 1.25vw, 2.25rem);
  --text-2xl:  clamp(2rem,     1.2rem  + 2.5vw,  3.5rem);
  --text-3xl:  clamp(2.5rem,   1rem    + 4vw,    5rem);
  --text-hero: clamp(3rem,     0.5rem  + 7vw,    7rem);

  /* Spacing */
  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.25rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(2, 35, 91, 0.08);
  --shadow-md: 0 4px 16px rgba(2, 35, 91, 0.12);
  --shadow-lg: 0 12px 40px rgba(2, 35, 91, 0.18);

  /* Content widths */
  --content-narrow: 640px;
  --content-default: 960px;
  --content-wide: 1200px;

  /* Fonts */
  --font-display: 'Clash Grotesk', 'Cabinet Grotesk', 'Helvetica Neue', sans-serif;
  --font-body: 'Satoshi', 'Inter', sans-serif;

  /* Transition */
  --transition: 180ms cubic-bezier(0.16, 1, 0.3, 1);

  /* =====================
     BRAND COLOR PALETTE
     ===================== */

  /* Primary — Deep Navy */
  --color-navy:         #02235B;
  --color-navy-dark:    #011640;
  --color-navy-light:   #0a3070;

  /* Accent — Fox Orange/Red */
  --color-orange:       #DE3707;
  --color-orange-hover: #c73006;
  --color-orange-light: #ff4a1a;

  /* Surfaces — Light mode (social proof strip, FAQ) */
  --color-bg:           #f7f6f2;
  --color-surface:      #ffffff;
  --color-surface-2:    #f0f0ee;
  --color-border:       rgba(2, 35, 91, 0.12);

  /* Text — Light sections */
  --color-text:         #0f1a2e;
  --color-text-muted:   #3d4f6b;
  --color-text-faint:   #7a8fa8;
  --color-text-inverse: #ffffff;

  /* Primary accent alias */
  --color-primary:      #DE3707;
  --color-primary-hover: #c73006;
}

.container {
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: clamp(var(--space-4), 5vw, var(--space-12));
}

.container--narrow {
  max-width: var(--content-default);
  margin-inline: auto;
  padding-inline: clamp(var(--space-4), 5vw, var(--space-12));
}

.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(2, 35, 91, 0.97);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  transition: box-shadow var(--transition);
}

.nav--scrolled {
  box-shadow: 0 4px 24px rgba(0,0,0,0.25);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: var(--space-3);
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
}

.nav__logo-img {
  height: 44px;
  width: auto;
  border-radius: var(--radius-md);
}

.nav__logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.nav__logo-brand {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 700;
  color: #ffffff;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.nav__logo-sub {
  font-family: var(--font-body);
  font-size: 0.65rem;
  color: rgba(255,255,255,0.5);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  list-style: none;
}

.nav__links a {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  color: rgba(255,255,255,0.75);
  text-decoration: none;
  letter-spacing: 0.02em;
  transition: color var(--transition);
}

.nav__links a:hover {
  color: #ffffff;
}

.nav__cta {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 700;
  color: #ffffff !important;
  background: var(--color-orange);
  padding: var(--space-2) var(--space-5);
  border-radius: var(--radius-full);
  text-decoration: none;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition) !important;
}

.nav__cta:hover {
  background: var(--color-orange-hover) !important;
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(222, 55, 7, 0.4);
}

.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-2);
  cursor: pointer;
}

.nav__hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: white;
  border-radius: 2px;
  transition: all var(--transition);
}

.hero {
  position: relative;
  background: var(--color-navy);
  overflow: hidden;
  padding-block: clamp(var(--space-20), 12vw, var(--space-32));
  min-height: 85vh;
  display: flex;
  align-items: center;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(ellipse 80% 60% at 60% 0%, rgba(222, 55, 7, 0.12) 0%, transparent 60%),
    radial-gradient(ellipse 60% 80% at 10% 100%, rgba(255,255,255,0.03) 0%, transparent 50%);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(255,255,255,0.06) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
  mask-image: radial-gradient(ellipse 70% 70% at 50% 50%, black 30%, transparent 100%);
}

.hero__inner {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 900px;
  margin-inline: auto;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: rgba(222, 55, 7, 0.15);
  border: 1px solid rgba(222, 55, 7, 0.35);
  color: #ff7751;
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-6);
}

.hero__badge::before {
  content: '';
  display: block;
  width: 6px;
  height: 6px;
  background: var(--color-orange);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--color-orange);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(0.85); }
}

.hero__headline {
  font-family: var(--font-display);
  font-size: var(--text-hero);
  font-weight: 700;
  color: #ffffff;
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-6);
}

.hero__headline em {
  font-style: normal;
  color: var(--color-orange);
}

.hero__sub {
  font-family: var(--font-body);
  font-size: var(--text-lg);
  color: rgba(255,255,255,0.65);
  max-width: 680px;
  margin-inline: auto;
  margin-bottom: var(--space-10);
  line-height: 1.65;
}

.hero__actions {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: var(--color-orange);
  color: #ffffff;
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 700;
  padding: var(--space-4) var(--space-10);
  border-radius: var(--radius-full);
  text-decoration: none;
  letter-spacing: 0.01em;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
  box-shadow: 0 4px 20px rgba(222, 55, 7, 0.35);
}

.btn-primary:hover {
  background: var(--color-orange-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(222, 55, 7, 0.5);
}

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

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  color: rgba(255,255,255,0.6);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  text-decoration: none;
  letter-spacing: 0.01em;
  transition: color var(--transition);
}

.btn-ghost:hover {
  color: rgba(255,255,255,0.9);
}

.hero__trust {
  display: flex;
  justify-content: center;
  gap: clamp(var(--space-6), 5vw, var(--space-12));
  margin-top: var(--space-12);
  flex-wrap: wrap;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: rgba(255,255,255,0.55);
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.trust-item__icon {
  width: 36px;
  height: 36px;
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-orange);
  flex-shrink: 0;
}

.section-wave {
  display: block;
  width: 100%;
  overflow: hidden;
  line-height: 0;
}

.section-problem {
  background: #f7f6f2;
  padding-block: clamp(var(--space-16), 8vw, var(--space-24));
}

.section-label {
  display: inline-block;
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-orange);
  margin-bottom: var(--space-4);
}

.section-title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--color-navy);
  line-height: 1.15;
  margin-bottom: var(--space-6);
  letter-spacing: -0.01em;
}

.section-body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.7;
  max-width: 60ch;
}

.problem__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-8);
  margin-top: var(--space-12);
}

.problem__card {
  background: white;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  box-shadow: var(--shadow-sm);
}

.problem__card h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: var(--space-3);
}

.problem__card p {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.65;
}

.problem__stat {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 700;
  color: var(--color-orange);
  margin-bottom: var(--space-2);
  line-height: 1;
}

.section-ste {
  background: var(--color-navy);
  padding-block: clamp(var(--space-16), 8vw, var(--space-24));
  position: relative;
  overflow: hidden;
}

.section-ste::before {
  content: '';
  position: absolute;
  top: -40%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(222, 55, 7, 0.08) 0%, transparent 60%);
  pointer-events: none;
}

.ste__header {
  text-align: center;
  margin-bottom: var(--space-16);
}

.ste__header .section-title {
  color: #ffffff;
}

.ste__header .section-body {
  color: rgba(255,255,255,0.6);
  margin-inline: auto;
}

.ste__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.ste__card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-top: 3px solid var(--color-orange);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
}

.ste__card:hover {
  background: rgba(255,255,255,0.07);
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(0,0,0,0.3);
}

.ste__icon {
  width: 52px;
  height: 52px;
  background: rgba(222, 55, 7, 0.15);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-5);
  color: var(--color-orange);
}

.ste__card-label {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-orange);
  margin-bottom: var(--space-2);
}

.ste__card h3 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  color: #ffffff;
  margin-bottom: var(--space-4);
  line-height: 1.2;
}

.ste__card p {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.55);
  line-height: 1.7;
}

.ste__card ul {
  list-style: none;
  margin-top: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.ste__card ul li {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.6);
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  max-width: none;
}

.ste__card ul li::before {
  content: '';
  display: block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-orange);
  margin-top: 7px;
  flex-shrink: 0;
}

.section-proof {
  background: #ffffff;
  padding-block: clamp(var(--space-12), 6vw, var(--space-20));
  border-top: 1px solid rgba(2, 35, 91, 0.08);
  border-bottom: 1px solid rgba(2, 35, 91, 0.08);
}

.proof__header {
  text-align: center;
  margin-bottom: var(--space-12);
}

.proof__label {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-text-faint);
  margin-bottom: var(--space-4);
}

.proof__title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-navy);
}

.proof__logos {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(var(--space-8), 6vw, var(--space-16));
  flex-wrap: wrap;
}

.proof__logo-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
  opacity: 0.75;
  transition: opacity var(--transition);
}

.proof__logo-item:hover {
  opacity: 1;
}

.proof__card-img {
  width: 220px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  border: 1px solid rgba(2,35,91,0.1);
}

.proof__logo-img {
  height: 70px;
  width: auto;
  object-fit: contain;
}

.proof__logo-name {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  letter-spacing: 0.05em;
  font-weight: 500;
}

.section-process {
  background: #f7f6f2;
  padding-block: clamp(var(--space-16), 8vw, var(--space-24));
}

.process__header {
  text-align: center;
  margin-bottom: var(--space-16);
}

.process__steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
  position: relative;
}

.process__steps::before {
  content: '';
  position: absolute;
  top: 28px;
  left: calc(12.5% + 24px);
  right: calc(12.5% + 24px);
  height: 2px;
  background: linear-gradient(90deg, var(--color-orange), rgba(222,55,7,0.2));
  z-index: 0;
}

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

.process__number {
  width: 56px;
  height: 56px;
  background: var(--color-navy);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-5);
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  color: white;
  border: 3px solid var(--color-orange);
}

.process__step h3 {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: var(--space-2);
}

.process__step p {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
}

.section-cta {
  background: var(--color-navy);
  padding-block: clamp(var(--space-16), 8vw, var(--space-24));
  text-align: center;
  position: relative;
  overflow: hidden;
}

.section-cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 40%, transparent 100%);
}

.section-cta__inner {
  position: relative;
  z-index: 1;
}

.section-cta h2 {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 700;
  color: #ffffff;
  margin-bottom: var(--space-4);
  line-height: 1.15;
}

.section-cta h2 em {
  font-style: normal;
  color: var(--color-orange);
}

.section-cta p {
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: rgba(255,255,255,0.6);
  margin-bottom: var(--space-10);
  max-width: 540px;
  margin-inline: auto;
  margin-bottom: var(--space-10);
}

.section-faq {
  background: #ffffff;
  padding-block: clamp(var(--space-16), 8vw, var(--space-24));
}

.faq__header {
  text-align: center;
  margin-bottom: var(--space-12);
}

.faq__list {
  max-width: 720px;
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.faq__item {
  border: 1px solid rgba(2, 35, 91, 0.1);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.faq__question {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  padding: var(--space-5) var(--space-6);
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-navy);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-4);
  transition: background var(--transition);
}

.faq__question:hover {
  background: rgba(2, 35, 91, 0.03);
}

.faq__question[aria-expanded="true"] {
  color: var(--color-orange);
}

.faq__chevron {
  flex-shrink: 0;
  transition: transform var(--transition);
  color: var(--color-orange);
}

.faq__question[aria-expanded="true"] .faq__chevron {
  transform: rotate(180deg);
}

.faq__answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.faq__answer-inner {
  padding: 0 var(--space-6) var(--space-5);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.7;
}

.footer {
  background: var(--color-navy-dark);
  padding-block: clamp(var(--space-12), 6vw, var(--space-20));
  border-top: 1px solid rgba(255,255,255,0.06);
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--space-12);
  margin-bottom: var(--space-12);
}

.footer__brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-5);
}

.footer__logo-img {
  height: 40px;
  width: auto;
  border-radius: var(--radius-sm);
}

.footer__brand-name {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 700;
  color: #ffffff;
}

.footer__tagline {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.45);
  line-height: 1.65;
  margin-bottom: var(--space-6);
  max-width: 38ch;
}

.footer__mission {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.3);
  font-style: italic;
  line-height: 1.6;
  border-left: 2px solid var(--color-orange);
  padding-left: var(--space-4);
  max-width: 40ch;
}

.footer__col-title {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.4);
  margin-bottom: var(--space-5);
}

.footer__links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer__links a {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.5);
  text-decoration: none;
  transition: color var(--transition);
}

.footer__links a:hover {
  color: rgba(255,255,255,0.9);
}

.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-8);
  border-top: 1px solid rgba(255,255,255,0.06);
  gap: var(--space-4);
  flex-wrap: wrap;
}

.footer__copy {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.3);
}

.footer__copy a {
  color: var(--color-orange);
  text-decoration: none;
}

.footer__powered {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.25);
}

/* EXPLAINER VIDEO */
.section-video {
  background: #ffffff;
  padding-block: clamp(var(--space-16), 8vw, var(--space-24));
}

.section-video .container--narrow {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.video-block {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--space-5);
  width: 100%;
}

.video-block .section-label,
.video-block .section-title,
.video-block .section-body {
  text-align: center;
}

.video-intro {
  max-width: 62ch;
  margin-inline: auto;
}

.video-wrapper {
  width: 100%;
  max-width: 400px;
  margin-inline: auto;
  padding-top: clamp(var(--space-8), 4vw, var(--space-12));
}

.explainer-video {
  width: 100%;
  height: auto;
  aspect-ratio: 9 / 16;
  display: block;
  border-radius: var(--radius-xl);
  border: 1px solid rgba(2, 35, 91, 0.1);
  box-shadow: var(--shadow-lg);
  background: #000000;
  overflow: hidden;
}

@media (max-width: 900px) {
  .nav__links { display: none; }
  .nav__hamburger { display: flex; }
  .nav__links--open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-navy);
    padding: var(--space-6);
    gap: var(--space-5);
    border-bottom: 1px solid rgba(255,255,255,0.08);
    z-index: 99;
  }
  .problem__grid { grid-template-columns: 1fr; }
  .ste__grid { grid-template-columns: 1fr; }
  .process__steps { grid-template-columns: 1fr 1fr; }
  .process__steps::before { display: none; }
  .footer__grid { grid-template-columns: 1fr; gap: var(--space-8); }
}

@media (max-width: 600px) {
  .hero__trust { flex-direction: column; align-items: center; }
  .process__steps { grid-template-columns: 1fr; }
  .proof__logos { flex-direction: column; }
  .footer__bottom { flex-direction: column; text-align: center; }
}

.fade-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-up:nth-child(2) { transition-delay: 0.1s; }
.fade-up:nth-child(3) { transition-delay: 0.2s; }
.fade-up:nth-child(4) { transition-delay: 0.3s; }