/* ============================================
   SDBioHack — Premium Styles
   ============================================ */

/* === RESET & BASE === */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --bg:           #06060f;
  --bg-2:         #0c0c1a;
  --bg-3:         #111127;
  --surface:      #13132a;
  --surface-2:    #1a1a35;
  --border:       rgba(255, 255, 255, 0.07);
  --border-glow:  rgba(0, 212, 255, 0.25);

  --cyan:         #00d4ff;
  --cyan-dim:     rgba(0, 212, 255, 0.15);
  --cyan-mid:     rgba(0, 212, 255, 0.35);
  --purple:       #7b2ff7;
  --purple-dim:   rgba(123, 47, 247, 0.15);
  --green:        #00ffa3;

  --text:         #f0f0ff;
  --text-2:       #a0a0c0;
  --text-3:       #6060a0;

  --gradient:     linear-gradient(135deg, var(--cyan), var(--purple));
  --gradient-text: linear-gradient(135deg, #00d4ff 0%, #a855f7 100%);

  --radius-sm:    8px;
  --radius-md:    14px;
  --radius-lg:    20px;
  --radius-xl:    28px;

  --shadow-glow:  0 0 40px rgba(0, 212, 255, 0.12);
  --shadow-card:  0 4px 32px rgba(0, 0, 0, 0.4);

  --font-body:    'Inter', sans-serif;
  --font-head:    'Space Grotesk', sans-serif;

  --transition:   0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

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

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition);
}

ul { list-style: none; }

.container {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 100px 0;
}

/* === UTILITY === */
.accent { color: var(--cyan); }

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

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-body);
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
  white-space: nowrap;
  letter-spacing: -0.01em;
}

.btn--primary {
  background: linear-gradient(135deg, var(--cyan), #5b8cf7);
  color: #04040e;
  border-radius: 100px;
  box-shadow: 0 4px 24px rgba(0, 212, 255, 0.3);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(0, 212, 255, 0.45);
  filter: brightness(1.1);
}

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

.btn--sm  { padding: 10px 20px; font-size: 0.875rem; }
.btn--md  { padding: 14px 28px; font-size: 1rem; }
.btn--lg  { padding: 16px 32px; font-size: 1.0625rem; }
.btn--xl  { padding: 20px 44px; font-size: 1.125rem; }

.btn--outline {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border-glow);
  border-radius: 100px;
}

.btn--outline:hover {
  background: var(--cyan-dim);
  border-color: var(--cyan);
  transform: translateY(-2px);
  box-shadow: 0 4px 24px rgba(0, 212, 255, 0.15);
}

.btn__arrow { transition: transform var(--transition); }
.btn:hover .btn__arrow { transform: translateX(4px); }

/* === SECTION HEADERS === */
.section__header {
  text-align: center;
  margin-bottom: 64px;
}

.section__label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 12px;
  background: var(--cyan-dim);
  padding: 4px 14px;
  border-radius: 100px;
  border: 1px solid var(--border-glow);
}

.section__title {
  font-family: var(--font-head);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.section__sub {
  font-size: 1.1rem;
  color: var(--text-2);
  max-width: 600px;
  margin: 0 auto;
}

/* ============================================
   NAVIGATION
   ============================================ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 0;
  transition: all var(--transition);
}

.nav.scrolled {
  background: rgba(6, 6, 15, 0.88);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 4px 32px rgba(0,0,0,0.3);
}

.nav__container {
  max-width: 1160px;
  margin: 0 auto;
  padding: 20px 24px;
  display: flex;
  align-items: center;
  gap: 40px;
}

.nav__logo {
  font-family: var(--font-head);
  font-size: 1.375rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.nav__logo-icon {
  font-size: 1.2rem;
  color: var(--cyan);
  animation: spin-slow 8s linear infinite;
}

@keyframes spin-slow {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 36px;
  margin-left: auto;
}

.nav__links a {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text-2);
}

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

.nav__cta { margin-left: 8px; }

.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  margin-left: auto;
}

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

.nav__mobile {
  display: none;
  flex-direction: column;
  gap: 4px;
  padding: 16px 24px 24px;
  background: var(--bg-2);
  border-top: 1px solid var(--border);
}

.nav__mobile a {
  padding: 12px 0;
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-2);
  border-bottom: 1px solid var(--border);
}

.nav__mobile a:last-child { border-bottom: none; margin-top: 8px; }
.nav__mobile .btn { text-align: center; justify-content: center; }

/* ============================================
   HERO
   ============================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: 140px 0 80px;
}

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

.hero__grid {
  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: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 40%, black 30%, transparent 100%);
}

.hero__orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
}

.hero__orb--1 {
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(0, 212, 255, 0.12) 0%, transparent 70%);
  top: -100px;
  right: -150px;
  animation: float 10s ease-in-out infinite;
}

.hero__orb--2 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(123, 47, 247, 0.12) 0%, transparent 70%);
  bottom: 0;
  left: -100px;
  animation: float 13s ease-in-out infinite reverse;
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50%       { transform: translateY(-30px); }
}

.hero__container {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--cyan);
  background: var(--cyan-dim);
  border: 1px solid var(--border-glow);
  border-radius: 100px;
  padding: 6px 18px;
  margin-bottom: 28px;
}

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

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.5; transform: scale(0.8); }
}

.hero__headline {
  font-family: var(--font-head);
  font-size: clamp(2.75rem, 7vw, 5.25rem);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}

.hero__sub {
  font-size: clamp(1.0625rem, 2vw, 1.25rem);
  color: var(--text-2);
  max-width: 580px;
  margin-bottom: 40px;
  line-height: 1.65;
}

/* Hero Form */
.hero__form { width: 100%; max-width: 540px; }

.form__group {
  display: flex;
  gap: 10px;
  background: var(--surface);
  border: 1px solid var(--border-glow);
  border-radius: 100px;
  padding: 6px 6px 6px 24px;
  margin-bottom: 14px;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form__group:focus-within {
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px var(--cyan-dim), var(--shadow-glow);
}

.form__input {
  flex: 1;
  background: none;
  border: none;
  outline: none;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  color: var(--text);
  min-width: 0;
}

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

.form__btn {
  flex-shrink: 0;
  border-radius: 100px;
}

.form__note {
  font-size: 0.8125rem;
  color: var(--text-3);
}

.form__success {
  display: none;
  margin-top: 12px;
  background: rgba(0, 255, 163, 0.1);
  border: 1px solid rgba(0, 255, 163, 0.3);
  color: var(--green);
  border-radius: 100px;
  padding: 10px 20px;
  font-weight: 600;
  font-size: 0.9375rem;
}

.form__success.visible { display: block; }

/* Scroll indicator */
.hero__scroll-wrap {
  margin-top: 48px;
}

.hero__scroll {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  font-size: 0.6875rem;
  color: var(--text-3);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  animation: fade-up 3s ease-in-out infinite;
}

.scroll__line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--cyan), transparent);
}

@keyframes fade-up {
  0%, 100% { opacity: 0.4; transform: translateX(-50%) translateY(0); }
  50%       { opacity: 1;   transform: translateX(-50%) translateY(-6px); }
}

/* ============================================
   WHY THIS EXISTS (replaces About)
   ============================================ */
.why__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.why__content .section__label { margin-bottom: 12px; }
.why__content .section__title { text-align: left; margin-bottom: 20px; }

.why__text {
  color: var(--text-2);
  font-size: 1.0625rem;
  line-height: 1.75;
  margin-bottom: 16px;
}

.why__bullets {
  margin: 28px 0 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.why__bullets li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.9375rem;
  color: var(--text-2);
}

.bullet__check {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--cyan-dim);
  color: var(--cyan);
  font-size: 0.75rem;
  font-weight: 700;
  flex-shrink: 0;
  border: 1px solid var(--border-glow);
}

/* Visual Card */
.why__visual { display: flex; justify-content: center; }

.visual__card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 36px;
  width: 100%;
  max-width: 380px;
  box-shadow: var(--shadow-card), var(--shadow-glow);
  position: relative;
  overflow: hidden;
}

.visual__card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--cyan), transparent);
}

.visual__dna {
  position: relative;
  height: 120px;
  margin-bottom: 32px;
  display: flex;
  justify-content: center;
  overflow: hidden;
}

.dna__rungs {
  display: flex;
  flex-direction: column;
  gap: 12px;
  justify-content: center;
  position: relative;
  z-index: 1;
}

.dna__rung {
  height: 3px;
  width: 100px;
  background: linear-gradient(90deg, var(--cyan), var(--purple));
  border-radius: 2px;
  opacity: 0.6;
  animation: dna-pulse 2s ease-in-out infinite;
}

.dna__rung:nth-child(odd)  { transform: scaleX(0.7); }
.dna__rung:nth-child(2)    { animation-delay: 0.15s; }
.dna__rung:nth-child(3)    { animation-delay: 0.3s; }
.dna__rung:nth-child(4)    { animation-delay: 0.45s; }
.dna__rung:nth-child(5)    { animation-delay: 0.6s; }
.dna__rung:nth-child(6)    { animation-delay: 0.75s; }
.dna__rung:nth-child(7)    { animation-delay: 0.9s; }
.dna__rung:nth-child(8)    { animation-delay: 1.05s; }

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

.visual__metrics { display: flex; flex-direction: column; gap: 16px; }

.metric { display: grid; grid-template-columns: 1fr auto; gap: 4px 12px; align-items: center; }

.metric__label {
  font-size: 0.8125rem;
  color: var(--text-2);
  grid-column: 1;
}

.metric__value {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--cyan);
  grid-column: 2;
  grid-row: 1 / 3;
  align-self: center;
}

.metric__bar {
  grid-column: 1;
  height: 6px;
  background: var(--bg-3);
  border-radius: 100px;
  overflow: hidden;
}

.metric__fill {
  height: 100%;
  width: var(--fill, 0%);
  background: linear-gradient(90deg, var(--cyan), var(--purple));
  border-radius: 100px;
  animation: fill-bar 1.5s ease-out both;
}

@keyframes fill-bar {
  from { width: 0; }
  to   { width: var(--fill, 0%); }
}

/* ============================================
   PEPTIDE CATEGORIES
   ============================================ */
.categories { background: var(--bg-2); }

.categories__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.category__card {
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  position: relative;
  transition: all var(--transition);
  overflow: hidden;
  text-decoration: none;
  color: inherit;
}

.category__card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  opacity: 0;
  background: radial-gradient(ellipse at top left, var(--cyan-dim), transparent 70%);
  transition: opacity var(--transition);
}

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

.category__card:hover::before { opacity: 1; }

.category__icon {
  font-size: 1.75rem;
  margin-bottom: 14px;
  display: block;
  position: relative;
}

.category__title {
  font-family: var(--font-head);
  font-size: 1.0625rem;
  font-weight: 700;
  margin-bottom: 8px;
  letter-spacing: -0.02em;
  position: relative;
}

.category__desc {
  font-size: 0.875rem;
  color: var(--text-2);
  line-height: 1.6;
  position: relative;
  flex: 1;
}

.category__link {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--cyan);
  margin-top: 14px;
  position: relative;
  transition: color var(--transition);
}

.category__card:hover .category__link { color: #fff; }

/* ============================================
   FEATURED PEPTIDES
   ============================================ */
.featured__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.featured__card {
  display: block;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  transition: all var(--transition);
  text-decoration: none;
  color: inherit;
  position: relative;
  overflow: hidden;
}

.featured__card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  opacity: 0;
  background: radial-gradient(ellipse at top left, var(--cyan-dim), transparent 70%);
  transition: opacity var(--transition);
}

.featured__card:hover {
  border-color: var(--border-glow);
  transform: translateY(-3px);
  box-shadow: var(--shadow-card), var(--shadow-glow);
}

.featured__card:hover::before { opacity: 1; }

.featured__header {
  margin-bottom: 16px;
  position: relative;
}

.featured__name {
  font-family: var(--font-head);
  font-size: 1.375rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 10px;
  position: relative;
}

.featured__desc {
  font-size: 0.9375rem;
  color: var(--text-2);
  line-height: 1.65;
  margin-bottom: 18px;
  position: relative;
}

.featured__link {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--cyan);
  position: relative;
  transition: color var(--transition);
}

.featured__card:hover .featured__link { color: #fff; }

.featured__more {
  text-align: center;
  margin-top: 48px;
}

/* ============================================
   PROTOCOLS
   ============================================ */
.protocols__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.protocol__card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.protocol__card:hover {
  border-color: var(--border-glow);
  transform: translateY(-3px);
  box-shadow: var(--shadow-card);
}

.protocol__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.protocol__tag {
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 4px 12px;
  border-radius: 100px;
}

.protocol__tag--recovery    { background: rgba(0, 212, 255, 0.12); color: var(--cyan); border: 1px solid rgba(0, 212, 255, 0.3); }
.protocol__tag--cognition   { background: rgba(168, 85, 247, 0.12); color: #c084fc; border: 1px solid rgba(168, 85, 247, 0.3); }
.protocol__tag--longevity   { background: rgba(0, 255, 163, 0.1);  color: var(--green); border: 1px solid rgba(0, 255, 163, 0.25); }
.protocol__tag--performance { background: rgba(251, 191, 36, 0.1); color: #fbbf24; border: 1px solid rgba(251, 191, 36, 0.25); }
.protocol__tag--sleep       { background: rgba(99, 102, 241, 0.12); color: #818cf8; border: 1px solid rgba(99, 102, 241, 0.3); }
.protocol__tag--fatloss     { background: rgba(248, 113, 113, 0.12); color: #f87171; border: 1px solid rgba(248, 113, 113, 0.3); }

.protocol__popularity {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  color: var(--text-3);
}

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

.protocol__name {
  font-family: var(--font-head);
  font-size: 1.375rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 10px;
}

.protocol__desc {
  font-size: 0.9rem;
  color: var(--text-2);
  line-height: 1.65;
  margin-bottom: 18px;
}

.protocol__stats {
  display: flex;
  gap: 16px;
  font-size: 0.8125rem;
  color: var(--text-3);
  margin-bottom: 20px;
}

.protocol__link {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--cyan);
  transition: gap var(--transition);
}

.protocol__link:hover { color: #fff; }

.protocol__peptides {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 18px;
}

.peptide__pill {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-2);
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 4px 12px;
  letter-spacing: 0.02em;
}

/* ============================================
   COMMUNITY WAITLIST
   ============================================ */
.community {
  background: var(--bg-2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.community__inner {
  text-align: center;
  max-width: 680px;
  margin: 0 auto;
}

.community__badge {
  display: inline-block;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cyan);
  background: var(--cyan-dim);
  border: 1px solid var(--border-glow);
  border-radius: 100px;
  padding: 6px 20px;
  margin-bottom: 24px;
}

.community__title {
  font-family: var(--font-head);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: 20px;
}

.community__sub {
  font-size: 1.0625rem;
  color: var(--text-2);
  line-height: 1.7;
  margin-bottom: 16px;
}

.community__sub--secondary {
  font-size: 0.9375rem;
  color: var(--text-3);
  margin-bottom: 36px;
}

.community__form {
  max-width: 540px;
  margin: 0 auto;
}

.community__form .form__group {
  margin-bottom: 0;
}

.community__form .form__success {
  margin-top: 16px;
}

/* ============================================
   UPDATES / RETURN HOOK
   ============================================ */
.updates {
  padding: 60px 0;
}

.updates__inner {
  display: flex;
  align-items: center;
  gap: 28px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 36px 40px;
  transition: border-color var(--transition);
}

.updates__inner:hover {
  border-color: var(--border-glow);
}

.updates__icon {
  font-size: 2.5rem;
  flex-shrink: 0;
}

.updates__content {
  flex: 1;
}

.updates__title {
  font-family: var(--font-head);
  font-size: 1.125rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 6px;
}

.updates__text {
  font-size: 0.9rem;
  color: var(--text-2);
  line-height: 1.65;
}

.updates__cta {
  flex-shrink: 0;
}

/* ============================================
   EMAIL CAPTURE
   ============================================ */
.capture {
  position: relative;
  overflow: hidden;
  padding: 100px 0;
  background: var(--bg);
}

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

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

.capture__orb--1 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(0, 212, 255, 0.1) 0%, transparent 70%);
  top: -100px;
  left: -100px;
}

.capture__orb--2 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(123, 47, 247, 0.1) 0%, transparent 70%);
  bottom: -100px;
  right: -100px;
}

.capture__container {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.capture__badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--green);
  background: rgba(0, 255, 163, 0.1);
  border: 1px solid rgba(0, 255, 163, 0.25);
  border-radius: 100px;
  padding: 4px 14px;
  margin-bottom: 20px;
}

.capture__title {
  font-family: var(--font-head);
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: 16px;
}

.capture__sub {
  font-size: 1.0625rem;
  color: var(--text-2);
  line-height: 1.7;
  margin-bottom: 32px;
}

.capture__list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.capture__list li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.9375rem;
  color: var(--text-2);
}

.capture__list li span {
  color: var(--green);
  font-weight: 700;
  font-size: 0.875rem;
  background: rgba(0, 255, 163, 0.1);
  width: 22px;
  height: 22px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

/* Capture Card */
.capture__form-wrap { display: flex; justify-content: center; }

.capture__card {
  background: var(--surface);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-xl);
  padding: 40px;
  width: 100%;
  max-width: 420px;
  box-shadow: var(--shadow-card), 0 0 60px rgba(0, 212, 255, 0.08);
  position: relative;
  overflow: hidden;
}

.capture__card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient);
}

.capture__card-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 28px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border);
}

.book__icon { font-size: 2.5rem; }

.book__title {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1rem;
}

.book__subtitle {
  font-size: 0.8125rem;
  color: var(--cyan);
  font-weight: 500;
  margin-top: 3px;
}

.capture__field {
  margin-bottom: 16px;
}

.capture__field label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-2);
  margin-bottom: 8px;
  letter-spacing: 0.01em;
}

.capture__field input {
  width: 100%;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 13px 16px;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  color: var(--text);
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
}

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

.capture__field input:focus {
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px var(--cyan-dim);
}

.capture__submit {
  width: 100%;
  justify-content: center;
  margin-top: 8px;
}

.capture__disclaimer {
  font-size: 0.75rem;
  color: var(--text-3);
  text-align: center;
  margin-top: 14px;
}

.capture__success {
  display: none;
  text-align: center;
  padding: 24px;
}

.capture__success.visible { display: block; }

.success__icon { font-size: 3rem; margin-bottom: 12px; }

.capture__success h3 {
  font-family: var(--font-head);
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.capture__success p { color: var(--text-2); }

/* ============================================
   FAQ
   ============================================ */
.faq__list {
  max-width: 760px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq__item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--transition);
}

.faq__item.open {
  border-color: var(--border-glow);
}

.faq__question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 22px 24px;
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  text-align: left;
  transition: color var(--transition);
}

.faq__question:hover { color: var(--cyan); }

.faq__icon {
  font-size: 1.25rem;
  color: var(--cyan);
  flex-shrink: 0;
  transition: transform var(--transition);
  line-height: 1;
}

.faq__item.open .faq__icon { transform: rotate(45deg); }

.faq__answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.faq__item.open .faq__answer { max-height: 300px; }

.faq__answer p {
  padding: 0 24px 24px;
  font-size: 0.9375rem;
  color: var(--text-2);
  line-height: 1.75;
}

/* ============================================
   FINAL CTA
   ============================================ */
.final-cta {
  background: var(--bg-2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 100px 0;
}

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

.final-cta__title {
  font-family: var(--font-head);
  font-size: clamp(2.25rem, 5vw, 3.5rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 16px;
}

.final-cta__sub {
  font-size: 1.125rem;
  color: var(--text-2);
  margin-bottom: 40px;
}

.final-cta__buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.final-cta__note {
  margin-top: 16px;
  font-size: 0.875rem;
  color: var(--text-3);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  background: var(--bg);
  padding: 80px 0 40px;
}

.footer__top {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 80px;
  margin-bottom: 60px;
  padding-bottom: 60px;
  border-bottom: 1px solid var(--border);
}

.footer__logo { margin-bottom: 16px; display: inline-flex; }

.footer__tagline {
  font-size: 0.9rem;
  color: var(--text-3);
  line-height: 1.65;
  max-width: 260px;
  margin-bottom: 24px;
}

.footer__social {
  display: flex;
  gap: 12px;
}

.social__link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text-3);
  transition: all var(--transition);
}

.social__link:hover {
  border-color: var(--border-glow);
  color: var(--cyan);
  background: var(--cyan-dim);
}

.footer__links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

.footer__col h4 {
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 20px;
}

.footer__col a {
  display: block;
  font-size: 0.9rem;
  color: var(--text-2);
  margin-bottom: 10px;
  transition: color var(--transition);
}

.footer__col a:hover { color: var(--cyan); }

.footer__bottom {
  text-align: center;
}

.footer__bottom p {
  font-size: 0.8125rem;
  color: var(--text-3);
  margin-bottom: 12px;
}

.footer__disclaimer {
  font-size: 0.75rem !important;
  max-width: 700px;
  margin: 0 auto;
  line-height: 1.65;
}

/* ============================================
   ANIMATIONS & SCROLL EFFECTS
   ============================================ */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}

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

/* Stagger children */
.categories__grid .category__card,
.featured__grid .featured__card,
.protocols__grid .protocol__card,
.faq__item {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease, border-color var(--transition), box-shadow var(--transition), background var(--transition);
}

.categories__grid .category__card.visible,
.featured__grid .featured__card.visible,
.protocols__grid .protocol__card.visible,
.faq__item.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
  .categories__grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .why__grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .why__visual { order: -1; }

  .capture__container {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .footer__top {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .updates__inner {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 768px) {
  .section { padding: 72px 0; }

  .nav__links, .nav__cta { display: none; }

  .nav__hamburger { display: flex; }

  .nav__mobile.open { display: flex; }

  .categories__grid,
  .featured__grid,
  .protocols__grid {
    grid-template-columns: 1fr;
  }

  .form__group {
    flex-direction: column;
    border-radius: var(--radius-lg);
    padding: 16px;
    gap: 12px;
  }

  .form__btn {
    width: 100%;
    justify-content: center;
    border-radius: var(--radius-md);
  }

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

  .capture__card { padding: 28px 24px; }

  .updates { padding: 40px 0; }

  .updates__inner { padding: 28px 24px; }
}

@media (max-width: 480px) {
  .footer__links { grid-template-columns: 1fr; }

  .hero__headline { font-size: 2.5rem; }

  .final-cta__buttons { flex-direction: column; align-items: center; }
}