:root {
  --bg: #0b1724;
  --panel: rgba(18, 35, 52, 0.88);
  --panel-strong: rgba(8, 17, 28, 0.94);
  --text: #f5f8fc;
  --muted: #aebccc;
  --line: rgba(255, 255, 255, 0.14);
  --accent: #2f8fff;
  --accent-blue: #2266b8;
  --accent-light: #4aa3ff;
  --accent-red: #e43f3f;
  --danger: #f2b84b;
  --white: #ffffff;
  --shadow: 0 30px 90px rgba(0, 0, 0, 0.36);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 18% 0, rgba(47, 143, 255, 0.2), transparent 30%),
    linear-gradient(180deg, #0b1724 0, #102235 44%, #08111c 100%);
  color: var(--text);
  font-family:
    Inter, Segoe UI, Roboto, Arial, sans-serif;
  line-height: 1.55;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 16px clamp(18px, 4vw, 56px);
  border-bottom: 1px solid rgba(126, 192, 255, 0.16);
  background: rgba(7, 16, 28, 0.86);
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 190px;
}

.brand-mark {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border: 2px solid rgba(126, 192, 255, 0.85);
  border-radius: 50%;
  background:
    radial-gradient(circle at center, rgba(255, 255, 255, 0.96) 0 34%, transparent 35%),
    conic-gradient(#1c69d4 0 25%, #f8fbff 0 50%, #1c69d4 0 75%, #f8fbff 0);
  color: #08111c;
  font-size: 18px;
  font-weight: 900;
  box-shadow:
    0 0 0 4px rgba(47, 143, 255, 0.12),
    0 14px 28px rgba(0, 0, 0, 0.28);
  text-shadow: none;
}

.brand strong,
.brand small {
  display: block;
}

.brand strong {
  color: var(--white);
  font-size: 16px;
  line-height: 1.1;
}

.brand small {
  color: var(--muted);
  font-size: 12px;
}

.nav {
  display: flex;
  gap: 26px;
  color: rgba(232, 242, 255, 0.84);
  font-size: 15px;
  font-weight: 800;
}

.nav a {
  position: relative;
  padding: 8px 0;
}

.nav a::after {
  position: absolute;
  right: 0;
  bottom: 2px;
  left: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent-light), var(--accent-blue), var(--accent-red));
  content: "";
  opacity: 0;
  transform: scaleX(0.35);
  transform-origin: left;
  transition:
    opacity 0.18s ease,
    transform 0.18s ease;
}

.nav a:hover,
.footer a:hover,
.socials a:hover {
  color: var(--white);
}

.nav a:hover::after {
  opacity: 1;
  transform: scaleX(1);
}

.header-cta,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border-radius: 4px;
  font-weight: 800;
}

.header-cta,
.button.primary {
  background: var(--accent);
  color: var(--white);
}

.header-cta {
  position: relative;
  overflow: hidden;
  min-height: 48px;
  padding: 0 22px;
  background: linear-gradient(135deg, #2f8fff, #176fd2 72%, #0f4f9e);
  box-shadow: 0 14px 28px rgba(18, 105, 210, 0.32);
}

.header-cta::after {
  position: absolute;
  top: 0;
  right: 12px;
  width: 4px;
  height: 100%;
  background: var(--accent-red);
  content: "";
  opacity: 0.9;
  transform: skewX(-18deg);
}

.header-cta:hover,
.button.primary:hover {
  background: #0f6fd2;
}

.button.secondary {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
}

.hero {
  position: relative;
  overflow: hidden;
  display: grid;
  min-height: calc(100vh - 74px);
  grid-template-columns: minmax(0, 0.9fr) minmax(430px, 1.1fr);
  align-items: center;
  gap: clamp(18px, 3vw, 48px);
  padding: clamp(54px, 7vw, 92px) clamp(18px, 5vw, 72px);
  border-bottom: 0;
  background:
    linear-gradient(115deg, rgba(6, 84, 151, 0.82) 0 38%, rgba(14, 24, 37, 0.92) 38% 100%),
    #0b1724;
}

.hero::before {
  position: absolute;
  right: clamp(20px, 8vw, 140px);
  top: 15%;
  color: rgba(67, 148, 230, 0.16);
  content: "B47";
  font-size: clamp(120px, 18vw, 260px);
  font-weight: 900;
  line-height: 0.8;
  pointer-events: none;
}

.hero::after {
  position: absolute;
  top: -18%;
  right: 8%;
  width: min(38vw, 520px);
  height: 140%;
  background:
    linear-gradient(90deg, transparent 0 18%, rgba(65, 153, 245, 0.58) 18% 42%, transparent 42% 52%, rgba(31, 86, 170, 0.62) 52% 73%, transparent 73% 82%, rgba(224, 55, 55, 0.8) 82% 100%);
  content: "";
  opacity: 0.88;
  pointer-events: none;
  transform: skewX(-24deg);
  -webkit-mask-image: linear-gradient(180deg, #000 0 88%, rgba(0, 0, 0, 0) 100%);
  mask-image: linear-gradient(180deg, #000 0 88%, rgba(0, 0, 0, 0) 100%);
}

.hero-content,
.hero-visual {
  position: relative;
  z-index: 1;
}

.hero-content {
  max-width: 610px;
  margin: 0;
  padding: 0;
  transform: translateY(-64px);
}

.eyebrow {
  margin: 0 0 14px;
  color: #7ec0ff;
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-left: -4px;
  margin-bottom: 10px;
  font-size: clamp(58px, 8.8vw, 112px);
  line-height: 0.86;
  letter-spacing: 0;
  text-transform: uppercase;
}

.ista-caption {
  margin: -2px 0 20px;
  color: rgba(255, 255, 255, 0.9);
  font-size: clamp(18px, 2vw, 27px);
  font-weight: 900;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(30px, 4.4vw, 52px);
  line-height: 1.05;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: 21px;
  line-height: 1.2;
}

.lead {
  max-width: 560px;
  color: rgba(255, 255, 255, 0.9);
  font-size: clamp(19px, 1.7vw, 28px);
  font-weight: 850;
  line-height: 1.28;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 26px 0 22px;
}

.hero-actions .button {
  min-height: 50px;
  padding: 0 22px;
  box-shadow: 0 18px 34px rgba(0, 0, 0, 0.24);
}

.hero-actions .button.primary {
  background: linear-gradient(135deg, #f04444 0%, #c82333 62%, #8f1d2b 100%);
  color: #fff;
  box-shadow: 0 18px 38px rgba(228, 63, 63, 0.34);
}

.hero-actions .button.primary:hover {
  background: linear-gradient(135deg, #ff5656 0%, #d82c3a 62%, #a51f31 100%);
}

.hero-actions .button.secondary {
  border-color: rgba(126, 192, 255, 0.62);
  background:
    linear-gradient(135deg, rgba(74, 163, 255, 0.32), rgba(28, 105, 212, 0.22)),
    rgba(255, 255, 255, 0.05);
  color: #f5f8fc;
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, 0.08),
    0 18px 34px rgba(28, 105, 212, 0.18);
}

.hero-actions .button.secondary:hover {
  border-color: rgba(126, 192, 255, 0.9);
  background:
    linear-gradient(135deg, rgba(90, 176, 255, 0.42), rgba(28, 105, 212, 0.28)),
    rgba(255, 255, 255, 0.07);
}

.hero-specs {
  display: grid;
  max-width: 520px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin: 30px 0 22px;
}

.hero-specs div {
  border-left: 2px solid rgba(126, 192, 255, 0.62);
  padding-left: 14px;
}

.hero-specs span {
  display: block;
  margin-bottom: 5px;
  color: rgba(255, 255, 255, 0.58);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.hero-specs strong {
  display: block;
  color: var(--white);
  font-size: clamp(19px, 2.1vw, 28px);
  line-height: 1;
}

.hero-points,
.check-list {
  display: grid;
  gap: 10px;
  padding: 0;
  margin: 0;
  color: rgba(232, 242, 255, 0.9);
  font-weight: 750;
  list-style: none;
}

.hero-points li,
.check-list li {
  position: relative;
  padding-left: 24px;
}

.hero-points li::before,
.check-list li::before {
  position: absolute;
  left: 0;
  top: 0.7em;
  width: 9px;
  height: 9px;
  border-radius: 2px;
  background: var(--accent-light);
  content: "";
}

.hero-points li::before {
  background: #4aa3ff;
  box-shadow: 0 0 18px rgba(74, 163, 255, 0.35);
}

.hero-visual {
  height: auto;
  min-height: 0;
  max-height: none;
  overflow: visible;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  align-self: end;
  justify-self: end;
  transform: translateY(-34px);
}

.hero-visual img {
  width: min(54vw, 820px);
  max-width: none;
  height: auto;
  max-height: min(68vh, 620px);
  min-height: 0;
  object-fit: contain;
  object-position: right bottom;
  border: 0;
  border-radius: 0;
  filter: saturate(1.06) contrast(1.08) drop-shadow(0 34px 54px rgba(0, 0, 0, 0.48));
  transform: translateX(-10%) scale(1.08);
}

.hero-visual::after {
  display: none;
}

.section {
  padding: clamp(62px, 8vw, 108px) clamp(18px, 5vw, 72px);
}

.section.compact {
  padding-top: clamp(50px, 6vw, 76px);
}

#problem.section.compact {
  position: relative;
  overflow: hidden;
  padding-top: clamp(42px, 5vw, 62px);
  background:
    linear-gradient(180deg, #0e1825 0, rgba(8, 17, 28, 0.92) 48px, rgba(8, 17, 28, 0) 150px),
    linear-gradient(118deg, rgba(12, 91, 164, 0.28) 0 33%, transparent 33% 100%),
    radial-gradient(circle at 82% 8%, rgba(47, 143, 255, 0.18), transparent 32%),
    #08111c;
}

#problem::before {
  position: absolute;
  z-index: 0;
  right: -3%;
  top: 6%;
  color: rgba(67, 148, 230, 0.08);
  content: "ISTA";
  font-size: clamp(110px, 18vw, 260px);
  font-weight: 900;
  line-height: 0.8;
  pointer-events: none;
}

.section-heading {
  max-width: 900px;
  margin-bottom: 34px;
}

#problem .section-heading {
  position: relative;
  z-index: 1;
  max-width: 1180px;
  margin-right: auto;
  margin-left: auto;
  text-align: left;
}

#problem .section-heading::before {
  display: none;
}

#problem .wide-title {
  margin-bottom: 20px;
  color: #ffffff;
  font-size: clamp(26px, 3.05vw, 44px);
  line-height: 1.04;
  text-align: center;
  text-shadow: 0 22px 54px rgba(0, 0, 0, 0.42);
  text-transform: uppercase;
  white-space: nowrap;
}

#problem .section-heading p {
  position: relative;
  max-width: 1180px;
  margin-right: auto;
  margin-left: auto;
  padding: 4px 0 4px 26px;
  border: 0;
  background: transparent;
  color: rgba(232, 242, 255, 0.84);
  font-size: 16px;
  line-height: 1.58;
  text-align: left;
  box-shadow: none;
}

#problem .section-heading p::before {
  position: absolute;
  left: 0;
  top: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(180deg, #4aa3ff, #d93535);
  content: "";
}

.section-heading p,
.split p,
.order-box p,
.price-card p,
.author-copy p,
.media-copy p {
  color: var(--muted);
}

.problem-grid,
.audience-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.problem-grid {
  position: relative;
  z-index: 1;
  max-width: 1180px;
  margin: 0 auto;
}

.audience-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.audience-section {
  background:
    radial-gradient(circle at 82% 28%, rgba(74, 163, 255, 0.16), transparent 34%),
    linear-gradient(135deg, rgba(255, 255, 255, 0.02), rgba(47, 143, 255, 0.07)),
    var(--bg);
}

.audience-heading {
  display: grid;
  max-width: 1180px;
  grid-template-columns: minmax(0, 0.9fr) minmax(300px, 0.72fr);
  gap: clamp(24px, 5vw, 70px);
  align-items: end;
}

.audience-heading p:last-child {
  max-width: 520px;
  margin-bottom: 10px;
}

.audience-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 0.62fr);
  gap: clamp(24px, 4.2vw, 52px);
  align-items: stretch;
}

.audience-photo {
  position: relative;
  justify-self: end;
  width: 100%;
  max-width: 470px;
  min-height: 100%;
  overflow: hidden;
  border: 0;
  border-radius: 8px;
  background: #08111c;
  box-shadow: 0 28px 58px rgba(0, 0, 0, 0.24);
}

.audience-photo::before {
  position: absolute;
  inset: -1px;
  z-index: 1;
  background: radial-gradient(ellipse at center, transparent 52%, rgba(8, 17, 28, 0.2) 78%, rgba(8, 17, 28, 0.46) 100%);
  content: "";
  pointer-events: none;
}

.audience-photo::after {
  position: absolute;
  right: 28px;
  bottom: 26px;
  z-index: 2;
  width: 110px;
  height: 7px;
  background: linear-gradient(90deg, #4aa3ff 0 35%, #293f86 35% 68%, #d93535 68%);
  content: "";
  transform: skewX(-18deg);
}

.audience-photo img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 620px;
  object-fit: cover;
  object-position: center center;
}

.problem-grid article,
.audience-grid article,
.module,
.price-card,
.order-box {
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--panel);
  backdrop-filter: blur(12px);
}

.audience-grid article {
  position: relative;
  overflow: hidden;
  padding: 26px 24px 28px;
  border-color: rgba(91, 174, 255, 0.18);
  background:
    linear-gradient(145deg, rgba(18, 65, 118, 0.42), rgba(9, 18, 31, 0.9)),
    var(--panel);
  box-shadow: 0 18px 38px rgba(0, 0, 0, 0.18);
}

.audience-grid article::before {
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: linear-gradient(180deg, #4aa3ff, #d93535);
  content: "";
}

.audience-grid article::after {
  position: absolute;
  right: -48px;
  top: -58px;
  width: 126px;
  height: 126px;
  border: 1px solid rgba(126, 192, 255, 0.13);
  border-radius: 50%;
  content: "";
}

.problem-grid article {
  position: relative;
  overflow: hidden;
  min-height: 245px;
  padding: 28px 26px 30px;
  border-color: rgba(91, 174, 255, 0.24);
  background:
    linear-gradient(145deg, rgba(18, 65, 118, 0.74), rgba(9, 18, 31, 0.92)),
    var(--panel);
  box-shadow: 0 22px 44px rgba(0, 0, 0, 0.22);
}

.problem-grid article::before {
  position: absolute;
  inset: 0 auto 0 0;
  width: 4px;
  background: linear-gradient(180deg, #4aa3ff, #d93535);
  content: "";
}

.problem-grid article::after {
  position: absolute;
  right: -38px;
  top: -52px;
  width: 140px;
  height: 140px;
  border: 1px solid rgba(126, 192, 255, 0.18);
  border-radius: 50%;
  content: "";
}

.card-index {
  display: inline-block;
  margin-bottom: 28px;
  color: rgba(126, 192, 255, 0.86);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0;
}

.problem-grid article h3 {
  margin-bottom: 14px;
  color: #ffffff;
  font-size: clamp(21px, 1.7vw, 24px);
  white-space: nowrap;
}

.problem-grid article p {
  color: rgba(225, 237, 250, 0.8);
}

.media-band {
  display: grid;
  grid-template-columns: minmax(300px, 0.92fr) 5px minmax(0, 1.08fr);
  gap: clamp(24px, 4.4vw, 58px);
  align-items: start;
  padding: clamp(52px, 7vw, 88px) clamp(18px, 5vw, 72px);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background:
    linear-gradient(115deg, rgba(255, 255, 255, 0.04), rgba(47, 143, 255, 0.08)),
    #102235;
}

.media-band::before {
  display: block;
  grid-column: 2;
  grid-row: 1;
  width: 5px;
  min-height: 330px;
  align-self: start;
  margin-top: clamp(12px, 3vw, 42px);
  background: linear-gradient(180deg, #4aa3ff 0%, #2f8fff 34%, #8b6dff 58%, #d93535 100%);
  content: "";
  filter: drop-shadow(0 0 18px rgba(74, 163, 255, 0.28));
}

.media-wide {
  grid-column: 1;
  grid-row: 1;
  width: 100%;
  max-height: 560px;
  object-fit: contain;
  object-position: center;
  border: 0;
  border-radius: 0;
  background: transparent;
  filter: drop-shadow(0 28px 48px rgba(0, 0, 0, 0.38));
}

.media-copy {
  position: relative;
  grid-column: 3;
  grid-row: 1;
  max-width: 720px;
  align-self: start;
  padding-top: clamp(12px, 3vw, 42px);
}

.expert-label {
  position: relative;
  display: inline-block;
  margin: 0 0 18px;
  padding: 0;
  color: #ffffff;
  font-size: clamp(28px, 3vw, 42px);
  font-weight: 950;
  line-height: 1;
  letter-spacing: 0;
  text-transform: uppercase;
}

.expert-label::after {
  display: none;
}

.media-copy h2 {
  max-width: 700px;
  font-size: clamp(26px, 3.1vw, 42px);
  line-height: 1.08;
}

.screen-section {
  position: relative;
  overflow: hidden;
  background: #08111c;
}

.screen-section::before {
  content: "";
  position: absolute;
  top: 82px;
  right: -80px;
  width: 320px;
  height: 220px;
  background:
    linear-gradient(110deg, transparent 0 24%, rgba(87, 166, 230, 0.22) 24% 38%, transparent 38% 45%, rgba(39, 88, 176, 0.22) 45% 58%, transparent 58% 65%, rgba(226, 42, 52, 0.2) 65% 78%, transparent 78%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.03), transparent);
  opacity: 0.85;
  pointer-events: none;
}

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

.screen-section .section-heading h2::after {
  content: "";
  display: block;
  width: 132px;
  height: 5px;
  margin-top: 20px;
  background: linear-gradient(90deg, #73c7ff 0 32%, #2758b0 32% 64%, #e22a34 64% 100%);
  border-radius: 999px;
}

.screen-gallery {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.2fr 0.9fr 0.9fr;
  gap: 16px;
}

.screen-gallery figure {
  min-width: 0;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--panel);
}

.screen-open {
  display: block;
  width: 100%;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: zoom-in;
}

.screen-open:focus-visible {
  outline: 2px solid var(--accent-light);
  outline-offset: -2px;
}

.screen-gallery img {
  display: block;
  width: 100%;
  height: 260px;
  object-fit: cover;
  object-position: top left;
  background: #f3f5f7;
  transition: transform 0.25s ease, filter 0.25s ease;
}

.screen-open:hover img,
.screen-open:focus-visible img {
  transform: scale(1.025);
  filter: brightness(1.06);
}

.screen-gallery figcaption {
  position: relative;
  min-height: 76px;
  padding: 17px 16px 16px 18px;
  color: rgba(255, 255, 255, 0.82);
  font-size: 15px;
  font-weight: 700;
  line-height: 1.35;
  background:
    linear-gradient(90deg, rgba(47, 139, 255, 0.12), transparent 66%),
    rgba(8, 19, 32, 0.66);
}

.screen-gallery figcaption::before {
  content: "";
  position: absolute;
  left: 18px;
  top: 0;
  width: 86px;
  height: 3px;
  background: linear-gradient(90deg, #73c7ff 0 34%, #2758b0 34% 66%, #e22a34 66% 100%);
  border-radius: 999px;
}

.screen-lightbox {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: grid;
  place-items: center;
  padding: clamp(18px, 4vw, 56px);
  background: rgba(2, 8, 16, 0.9);
  backdrop-filter: blur(10px);
}

.screen-lightbox[hidden] {
  display: none;
}

.screen-lightbox img {
  display: block;
  max-width: min(94vw, 1600px);
  max-height: 88vh;
  object-fit: contain;
  border: 1px solid rgba(117, 178, 224, 0.32);
  border-radius: 6px;
  background: #08111c;
  box-shadow: 0 32px 80px rgba(0, 0, 0, 0.48);
}

.screen-lightbox-close {
  position: fixed;
  top: 18px;
  right: 18px;
  width: 44px;
  height: 44px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 4px;
  color: #ffffff;
  background: rgba(10, 21, 34, 0.78);
  font-size: 30px;
  line-height: 1;
  cursor: pointer;
}

.screen-lightbox-close:hover,
.screen-lightbox-close:focus-visible {
  border-color: rgba(47, 139, 255, 0.75);
  background: rgba(47, 139, 255, 0.22);
}

.no-scroll {
  overflow: hidden;
}

.number {
  display: none;
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 1.1fr);
  gap: clamp(28px, 5vw, 70px);
  align-items: start;
}

#result {
  align-items: start;
}

#result h2 {
  max-width: 760px;
}

#result p {
  max-width: 690px;
}

.result-list,
.limit-list {
  display: grid;
  gap: 12px;
}

.result-list div,
.limit-list p {
  margin: 0;
  padding: 18px 20px;
  border-left: 3px solid var(--accent);
  background: rgba(255, 255, 255, 0.06);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.18);
}

#result .result-list {
  gap: 14px;
}

#result .result-list div {
  position: relative;
  min-height: 72px;
  padding: 18px 22px 18px 54px;
  border: 1px solid rgba(126, 192, 255, 0.16);
  border-left: 0;
  background:
    linear-gradient(135deg, rgba(47, 143, 255, 0.14), rgba(217, 53, 53, 0.05)),
    rgba(8, 17, 28, 0.82);
  color: rgba(218, 232, 248, 0.78);
  font-weight: 850;
}

#result .result-list div::before {
  position: absolute;
  top: 50%;
  left: 20px;
  width: 9px;
  height: 9px;
  border-radius: 2px;
  background: #4aa3ff;
  content: "";
  box-shadow: 0 0 18px rgba(74, 163, 255, 0.34);
  transform: translateY(-50%);
}

.program-section {
  background:
    linear-gradient(120deg, rgba(47, 143, 255, 0.13), transparent 42%),
    var(--black);
  color: var(--white);
}

.program {
  display: grid;
  gap: 12px;
  max-width: 1020px;
}

.program-stats {
  display: grid;
  max-width: 760px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin: 0 0 22px;
}

.program-stats div {
  position: relative;
  min-height: 76px;
  padding: 16px 18px;
  border: 1px solid rgba(126, 192, 255, 0.2);
  background:
    linear-gradient(135deg, rgba(47, 143, 255, 0.16), rgba(255, 255, 255, 0.04)),
    rgba(12, 24, 38, 0.82);
}

.program-stats div::before {
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: linear-gradient(180deg, #4aa3ff, #d93535);
  content: "";
}

.program-stats strong {
  display: block;
  color: #ffffff;
  font-size: clamp(24px, 2.4vw, 34px);
  line-height: 1;
}

.program-stats span {
  display: block;
  margin-top: 7px;
  color: rgba(232, 242, 255, 0.72);
  font-size: 13px;
  font-weight: 800;
}

.program-section .section-heading p,
.program-section .module-body {
  color: rgba(255, 255, 255, 0.68);
}

.program-section .module {
  position: relative;
  border-color: rgba(255, 255, 255, 0.14);
  background:
    linear-gradient(135deg, rgba(47, 143, 255, 0.12), transparent 44%),
    rgba(18, 24, 32, 0.92);
}

.module {
  overflow: hidden;
}

.program-section .module::before {
  position: absolute;
  inset: 0 auto 0 0;
  width: 4px;
  background: linear-gradient(180deg, #4aa3ff 0%, #2f8fff 42%, #d93535 100%);
  content: "";
}

.module-toggle {
  position: relative;
  display: grid;
  width: 100%;
  grid-template-columns: 170px 1fr;
  gap: 18px;
  align-items: center;
  padding: 22px 24px;
  border: 0;
  background: transparent;
  color: var(--white);
  text-align: left;
  cursor: pointer;
}

.module-toggle span {
  color: #7ec0ff;
  font-size: 13px;
  font-weight: 900;
  line-height: 1.2;
  text-transform: uppercase;
}

.module-toggle strong {
  font-size: 22px;
}

.module-body {
  padding: 0 24px 26px 212px;
  color: var(--muted);
}

.module-body p {
  max-width: 760px;
  margin-bottom: 18px;
  color: rgba(232, 242, 255, 0.78);
  line-height: 1.58;
}

.module-body ul {
  margin: 0;
  padding-left: 18px;
}

.module-body li {
  margin-bottom: 8px;
}

.module-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.module-tags span {
  display: inline-flex;
  min-height: 32px;
  align-items: center;
  padding: 6px 11px;
  border: 1px solid rgba(126, 192, 255, 0.22);
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.06);
  color: rgba(232, 242, 255, 0.86);
  font-size: 13px;
  font-weight: 800;
}

.facts {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  padding-top: 48px;
  padding-bottom: 48px;
}

.fact {
  padding: 24px;
  border-top: 3px solid var(--accent);
  background: rgba(255, 255, 255, 0.06);
}

.fact strong {
  display: block;
  margin-bottom: 8px;
  font-size: 34px;
}

.fact span {
  color: var(--muted);
}

.video-context {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 0.86fr) minmax(460px, 1.14fr);
  gap: clamp(28px, 5vw, 70px);
  align-items: center;
  overflow: hidden;
  background:
    linear-gradient(120deg, rgba(16, 98, 170, 0.28), transparent 42%),
    #091523;
}

.video-context::before {
  content: "";
  position: absolute;
  right: -90px;
  top: 0;
  width: 420px;
  height: 100%;
  background:
    linear-gradient(110deg, transparent 0 22%, rgba(115, 199, 255, 0.2) 22% 36%, transparent 36% 43%, rgba(39, 88, 176, 0.22) 43% 58%, transparent 58% 66%, rgba(226, 42, 52, 0.2) 66% 80%, transparent 80%);
  opacity: 0.9;
  pointer-events: none;
}

.video-copy,
.video-frame {
  position: relative;
  z-index: 1;
}

.video-copy h2 {
  max-width: 680px;
  font-size: clamp(28px, 3vw, 44px);
  line-height: 1.08;
}

.video-copy p:not(.eyebrow) {
  max-width: 620px;
  color: rgba(230, 238, 247, 0.78);
  font-size: 16px;
  line-height: 1.6;
}

.video-copy p + p {
  margin-top: 18px;
}

.video-frame {
  overflow: hidden;
  border: 1px solid rgba(115, 199, 255, 0.22);
  border-radius: 6px;
  background: #02070d;
  box-shadow: 0 34px 90px rgba(0, 0, 0, 0.36);
}

.video-frame::before {
  content: "";
  display: block;
  width: 132px;
  height: 4px;
  background: linear-gradient(90deg, #73c7ff 0 34%, #2758b0 34% 66%, #e22a34 66% 100%);
}

.video-link-frame {
  background:
    linear-gradient(120deg, rgba(2, 7, 13, 0.92), rgba(9, 21, 35, 0.74)),
    url("https://img.youtube.com/vi/nAbUbKxplAI/hqdefault.jpg") center / cover;
}

.video-link-card {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 24px;
  align-items: center;
  min-height: 360px;
  aspect-ratio: 16 / 9;
  padding: clamp(28px, 4vw, 54px);
  color: #f5f8ff;
  text-decoration: none;
}

.video-link-card:hover .video-play {
  transform: scale(1.04);
  border-color: rgba(115, 199, 255, 0.85);
}

.video-play {
  position: relative;
  width: 86px;
  height: 86px;
  border: 2px solid rgba(115, 199, 255, 0.5);
  border-radius: 50%;
  background: rgba(8, 18, 31, 0.78);
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.34);
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.video-play::before {
  content: "";
  position: absolute;
  left: 35px;
  top: 27px;
  border-left: 24px solid #f5f8ff;
  border-top: 16px solid transparent;
  border-bottom: 16px solid transparent;
}

.video-link-content {
  display: grid;
  gap: 10px;
  max-width: 430px;
}

.video-link-label {
  color: #73c7ff;
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.video-link-content strong {
  font-size: clamp(26px, 3vw, 42px);
  line-height: 1.05;
}

.video-link-content span:last-child {
  color: rgba(230, 238, 247, 0.74);
  font-size: 17px;
  line-height: 1.5;
}

.warning {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 8% 28%, rgba(226, 42, 52, 0.34), transparent 34%),
    linear-gradient(120deg, rgba(226, 42, 52, 0.2), rgba(9, 21, 35, 0.94) 42%, rgba(8, 14, 24, 0.98)),
    #0a111d;
  border-top: 1px solid rgba(226, 42, 52, 0.34);
  border-bottom: 1px solid rgba(226, 42, 52, 0.26);
}

.warning::before {
  content: "";
  position: absolute;
  right: -120px;
  top: -20%;
  width: 520px;
  height: 140%;
  background:
    linear-gradient(110deg, transparent 0 22%, rgba(115, 199, 255, 0.12) 22% 34%, transparent 34% 42%, rgba(39, 88, 176, 0.16) 42% 56%, transparent 56% 66%, rgba(226, 42, 52, 0.34) 66% 80%, transparent 80%);
  opacity: 0.78;
  pointer-events: none;
}

.warning > * {
  position: relative;
  z-index: 1;
}

.warning .eyebrow {
  color: #ff7b82;
}

.warning h2 {
  max-width: 680px;
  color: #ffffff;
}

.warning-copy {
  align-self: center;
}

.warning-visual {
  position: relative;
  max-width: 720px;
  margin-top: clamp(22px, 3vw, 34px);
  margin-left: -18px;
}

.warning-visual::before {
  content: "";
  position: absolute;
  inset: 28% 6% -3% 18%;
  z-index: -1;
  background:
    radial-gradient(ellipse at center, rgba(226, 42, 52, 0.22), transparent 58%),
    radial-gradient(ellipse at 72% 58%, rgba(74, 163, 255, 0.15), transparent 62%);
  filter: blur(20px);
}

.warning-visual img {
  display: block;
  width: min(100%, 700px);
  height: auto;
  filter: drop-shadow(0 28px 54px rgba(0, 0, 0, 0.46));
}

.warning .limit-list {
  gap: 14px;
}

.warning .result-list div,
.warning .limit-list p {
  position: relative;
  overflow: hidden;
  padding: 20px 22px 20px 28px;
  border: 1px solid rgba(226, 42, 52, 0.24);
  border-left: 0;
  background:
    linear-gradient(135deg, rgba(226, 42, 52, 0.18), rgba(47, 143, 255, 0.05)),
    rgba(10, 19, 31, 0.84);
  color: rgba(246, 249, 255, 0.86);
  box-shadow: 0 18px 46px rgba(0, 0, 0, 0.22);
}

.warning .limit-list p::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 5px;
  height: 100%;
  background: linear-gradient(180deg, #73c7ff 0 28%, #2758b0 28% 58%, #e22a34 58% 100%);
}

.warning .limit-list p::after {
  content: "";
  position: absolute;
  right: -34px;
  top: -42px;
  width: 110px;
  height: 130px;
  background: rgba(226, 42, 52, 0.16);
  transform: skewX(-18deg);
}

.author {
  display: grid;
  grid-template-columns: minmax(360px, 0.9fr) minmax(0, 1fr);
  gap: clamp(30px, 5vw, 76px);
  align-items: start;
  background:
    radial-gradient(circle at 18% 50%, rgba(47, 143, 255, 0.16), transparent 34%),
    linear-gradient(110deg, rgba(9, 21, 36, 0.98), rgba(12, 29, 48, 0.72));
}

.author-photo {
  position: relative;
  min-height: 520px;
  overflow: visible;
  border: 0;
  border-radius: 0;
  background: transparent;
}

.author-photo::before {
  position: absolute;
  inset: 0;
  z-index: 2;
  background:
    linear-gradient(90deg, rgba(9, 21, 36, 0.88), transparent 16%, transparent 78%, rgba(9, 21, 36, 0.78)),
    linear-gradient(180deg, rgba(9, 21, 36, 0.7), transparent 18%, transparent 72%, rgba(9, 21, 36, 0.86));
  content: "";
  pointer-events: none;
}

.author-photo::after {
  position: absolute;
  inset: auto 6% 3% 10%;
  height: 34%;
  background: radial-gradient(ellipse at center, rgba(47, 143, 255, 0.22), transparent 68%);
  content: "";
  filter: blur(22px);
  pointer-events: none;
  z-index: 0;
}

.author-photo img {
  position: relative;
  z-index: 1;
  display: block;
  width: 100%;
  height: 100%;
  min-height: 520px;
  object-fit: cover;
  object-position: 36% center;
  filter: drop-shadow(0 30px 58px rgba(0, 0, 0, 0.38));
  -webkit-mask-image: radial-gradient(ellipse 92% 88% at center, #000 58%, rgba(0, 0, 0, 0.9) 72%, rgba(0, 0, 0, 0.34) 88%, transparent 100%);
  mask-image: radial-gradient(ellipse 92% 88% at center, #000 58%, rgba(0, 0, 0, 0.9) 72%, rgba(0, 0, 0, 0.34) 88%, transparent 100%);
}

.socials {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.socials a {
  padding: 10px 14px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--muted);
}

.price {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 16% 22%, rgba(74, 163, 255, 0.2), transparent 28%),
    linear-gradient(135deg, rgba(47, 143, 255, 0.18), rgba(228, 63, 63, 0.1) 74%),
    #0b1724;
}

.price::before {
  position: absolute;
  top: -18%;
  right: 8%;
  width: min(34vw, 440px);
  height: 150%;
  background:
    linear-gradient(90deg, rgba(74, 163, 255, 0.22) 0 28%, transparent 28% 40%, rgba(28, 105, 212, 0.2) 40% 68%, transparent 68% 80%, rgba(228, 63, 63, 0.22) 80% 100%);
  content: "";
  opacity: 0.75;
  transform: skewX(-20deg);
}

.price-card {
  position: relative;
  overflow: hidden;
  display: grid;
  max-width: 1120px;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 1.1fr);
  gap: 34px;
  padding: clamp(26px, 5vw, 44px);
  border-color: rgba(126, 192, 255, 0.26);
  background:
    linear-gradient(135deg, rgba(24, 74, 128, 0.72), rgba(9, 18, 31, 0.9) 54%, rgba(103, 28, 40, 0.34)),
    rgba(11, 23, 36, 0.92);
  box-shadow:
    0 28px 80px rgba(0, 0, 0, 0.35),
    inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.price-card::before {
  position: absolute;
  top: 0;
  left: clamp(22px, 5vw, 44px);
  width: 190px;
  height: 5px;
  background: linear-gradient(90deg, var(--accent-light) 0 30%, var(--accent-blue) 30% 68%, var(--accent-red) 68% 100%);
  content: "";
}

.price-card::after {
  position: absolute;
  right: -70px;
  bottom: -140px;
  width: 260px;
  height: 420px;
  background: linear-gradient(180deg, rgba(74, 163, 255, 0.16), rgba(228, 63, 63, 0.18));
  content: "";
  transform: rotate(24deg);
}

.price-card > * {
  position: relative;
  z-index: 1;
}

.price-card h2 {
  color: var(--white);
  font-size: clamp(44px, 7vw, 74px);
  line-height: 1;
  margin-bottom: 16px;
  text-shadow: 0 16px 34px rgba(0, 0, 0, 0.28);
}

.price-card p {
  max-width: 520px;
}

.price .check-list {
  align-content: center;
  gap: 12px;
}

.price .check-list li {
  padding: 14px 16px 14px 38px;
  border: 1px solid rgba(126, 192, 255, 0.14);
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.055);
}

.price .check-list li::before {
  left: 16px;
  top: 1.35em;
  background: linear-gradient(135deg, var(--accent-light), var(--accent-blue));
  box-shadow: 0 0 18px rgba(74, 163, 255, 0.32);
}

.order {
  text-align: center;
}

.order-box {
  max-width: 820px;
  margin: 0 auto;
  padding: clamp(28px, 5vw, 52px);
}

.order-box .button {
  margin: 12px 0 20px;
}

.order-box small {
  display: block;
  color: var(--muted);
}

.footer {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 24px clamp(18px, 5vw, 72px);
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 14px;
}

@media (max-width: 1060px) {
  .split,
  .author,
  .price-card,
  .media-band,
  .audience-heading,
  .audience-layout {
    grid-template-columns: 1fr;
  }

  .media-band::before {
    display: none;
  }

  .media-wide,
  .media-copy {
    grid-column: auto;
    grid-row: auto;
  }

  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding-top: 46px;
  }

  .hero::after {
    top: 8%;
    right: -24%;
    width: 58vw;
  }

  .hero-visual img {
    width: 100%;
    max-width: 760px;
    margin-left: auto;
    transform: translateX(0) scale(1);
  }

  .hero-content,
  .hero-visual {
    transform: none;
  }

  .facts,
  .screen-gallery {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .video-context {
    grid-template-columns: 1fr;
  }

  .video-copy h2,
  .video-copy p:not(.eyebrow) {
    max-width: none;
  }

  .audience-photo img {
    min-height: 420px;
  }

  .audience-photo {
    justify-self: center;
    max-width: 560px;
  }
}

@media (max-width: 760px) {
  .site-header {
    align-items: flex-start;
  }

  .nav,
  .header-cta {
    display: none;
  }

  .hero::after {
    top: 20%;
    right: -44%;
    width: 78vw;
    height: 68%;
  }

  h1 {
    font-size: 42px;
  }

  .problem-grid,
  .audience-grid,
  .facts,
  .program-stats {
    grid-template-columns: 1fr;
  }

  .audience-photo img {
    min-height: 320px;
  }

  .problem-grid article h3 {
    white-space: normal;
  }

  #problem .wide-title {
    white-space: normal;
  }

  .module-toggle {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .module-body {
    padding-left: 24px;
  }

  .hero-visual img {
    width: 112%;
    transform: translateX(-3%) scale(1.02);
  }

  .hero-specs {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .screen-gallery {
    grid-template-columns: 1fr;
  }

  .screen-gallery img {
    height: 230px;
  }

  .video-context {
    gap: 28px;
  }

  .video-copy p:not(.eyebrow) {
    font-size: 16px;
  }

  .footer {
    flex-direction: column;
  }
}