/* ============================================================
   NUROSS · V3.0 — the ten screens
   ============================================================ */

/* ---------- 01 hero ---------- */

.hero {
  position: relative;
  overflow: hidden;
  padding: clamp(112px, 13vh, 152px) 0 clamp(40px, 5vw, 72px);
  background:
    radial-gradient(74% 60% at 76% 30%, rgba(107, 155, 165, 0.34), transparent 64%),
    radial-gradient(50% 50% at 8% 92%, rgba(107, 155, 165, 0.16), transparent 70%),
    linear-gradient(180deg, #060e11 0%, #081417 58%, #070f12 100%);
}

.hero__glow {
  position: absolute;
  inset: -12% -14% auto auto;
  width: 62%;
  height: 120%;
  background-image: url("img/vi/vi_hero_particles.jpg");
  background-size: cover;
  background-position: 64% 50%;
  opacity: 0.42;
  mix-blend-mode: screen;
  -webkit-mask-image: radial-gradient(58% 58% at 55% 45%, #000 22%, transparent 76%);
  mask-image: radial-gradient(58% 58% at 55% 45%, #000 22%, transparent 76%);
  pointer-events: none;
}

.hero__grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
  gap: clamp(28px, 4vw, 64px);
  align-items: center;
}

.hero__h1 {
  margin-top: 22px;
  font-size: clamp(33px, 4.15vw, 62px);
  font-weight: 600;
  line-height: 1.04;
  letter-spacing: -0.04em;
  text-wrap: balance;
}

.hero__h1 span {
  display: block;
}

.hero__h1 span:last-child {
  color: var(--teal-lift);
}

.hero__sub {
  margin-top: clamp(20px, 2.2vw, 30px);
  max-width: 40ch;
  font-size: clamp(14.5px, 1.35vw, 17.5px);
  line-height: 1.62;
  color: var(--dark-body);
  text-wrap: pretty;
}

.hero__cta {
  margin-top: clamp(26px, 3vw, 38px);
  display: flex;
  align-items: center;
  gap: 22px;
  flex-wrap: wrap;
}

.hero__pod {
  position: relative;
  margin: 0;
  border-radius: 26px;
  overflow: hidden;
  background: linear-gradient(155deg, #fbfcfa 0%, #e9f0ef 62%, #dfe9e9 100%);
  box-shadow: 0 40px 90px rgba(0, 0, 0, 0.45), inset 0 1px 0 rgba(255, 255, 255, 0.8);
  aspect-ratio: 16 / 9;
  display: grid;
  place-items: center;
}

.hero__pod::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(60% 60% at 50% 42%, rgba(107, 155, 165, 0.18), transparent 70%);
  pointer-events: none;
}

.hero__pod img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  mix-blend-mode: multiply;
}

@media (max-width: 900px) {
  .hero__grid {
    grid-template-columns: 1fr;
  }

  .hero__pod {
    order: 2;
  }
}

/* ---------- 02 feature grid ---------- */

.features .h2 {
  max-width: 20ch;
}

.grid6 {
  margin-top: clamp(34px, 4vw, 58px);
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(12px, 1.4vw, 20px);
}

.fcard {
  padding: clamp(22px, 2.2vw, 30px);
  border-radius: 18px;
  border: 1px solid rgba(11, 23, 27, 0.08);
  background: rgba(255, 255, 255, 0.72);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  transition: transform 0.35s ease, border-color 0.35s ease, box-shadow 0.35s ease;
}

.fcard:hover {
  transform: translateY(-3px);
  border-color: rgba(107, 155, 165, 0.5);
  box-shadow: 0 18px 40px rgba(11, 40, 46, 0.09);
}

.fcard__icon {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: rgba(107, 155, 165, 0.14);
  color: var(--teal-deep);
  margin-bottom: 20px;
}

.fcard__icon svg {
  width: 22px;
  height: 22px;
}

.fcard h3 {
  font-size: 16px;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--ink-text);
}

.fcard p {
  margin-top: 8px;
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--ink-body);
  text-wrap: pretty;
}

@media (max-width: 900px) {
  .grid6 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 620px) {
  .grid6 {
    grid-template-columns: 1fr;
  }
}

/* ---------- 03 the moment ---------- */

.moment {
  position: relative;
  overflow: hidden;
  border-block: 1px solid rgba(255, 255, 255, 0.08);
  background:
    radial-gradient(62% 52% at 82% 2%, rgba(107, 155, 165, 0.2), transparent 62%),
    radial-gradient(50% 46% at 6% 96%, rgba(107, 155, 165, 0.12), transparent 66%),
    linear-gradient(180deg, #060e11 0%, #081519 55%, #070f12 100%);
}

.moment .eyebrow {
  color: var(--teal-lift);
}

.moment__title {
  margin-top: 16px;
  max-width: 22ch;
  color: #fff;
}

.pcards {
  margin-top: clamp(32px, 4vw, 56px);
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(14px, 1.7vw, 24px);
  align-items: stretch;
}

.pcard {
  display: flex;
  flex-direction: column;
  border-radius: 18px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.045);
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: border-color 0.35s ease, transform 0.35s ease;
}

.pcard:hover {
  transform: translateY(-3px);
  border-color: rgba(255, 255, 255, 0.2);
}

.pcard__img {
  position: relative;
  margin: 0;
  aspect-ratio: 4 / 3;
  background: #0a1317;
  overflow: hidden;
}

.pcard__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  filter: saturate(0.72) contrast(1.05) brightness(0.88);
}

.pcard__img::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(6, 14, 17, 0.42) 0%, rgba(6, 14, 17, 0) 42%, rgba(6, 14, 17, 0.6) 100%);
  pointer-events: none;
}

.pcard__icon {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 2;
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: rgba(6, 14, 17, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.18);
  color: #d6e9ec;
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
}

.pcard__icon svg {
  width: 19px;
  height: 19px;
}

.pcard__body {
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex: 1;
  padding: clamp(20px, 2vw, 26px);
}

.pcard__body h3 {
  font-size: clamp(17.5px, 1.5vw, 21px);
  font-weight: 600;
  line-height: 1.26;
  letter-spacing: -0.026em;
  color: #fff;
  text-wrap: pretty;
}

.pcard__body p {
  font-size: 13.5px;
  line-height: 1.66;
  color: rgba(255, 255, 255, 0.6);
  text-wrap: pretty;
}

.pcard__body .pcard__punch {
  margin-top: auto;
  padding-top: 15px;
  border-top: 1px solid rgba(255, 255, 255, 0.13);
  font-size: clamp(14px, 1.2vw, 15.5px);
  font-weight: 600;
  line-height: 1.4;
  letter-spacing: -0.015em;
  color: var(--rose);
}

.moment__close {
  margin-top: clamp(28px, 3.4vw, 44px);
  padding-top: clamp(18px, 2vw, 24px);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
  font-size: 13.5px;
  font-weight: 500;
  letter-spacing: 0.03em;
  color: var(--teal-lift);
}

@media (max-width: 900px) {
  .pcards {
    grid-template-columns: 1fr;
  }
}

/* ---------- 04 vona ---------- */

.vona__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.02fr);
  gap: clamp(30px, 5vw, 76px);
  align-items: center;
}

.vona__sub {
  margin-top: 14px;
  font-size: clamp(18px, 1.9vw, 24px);
  font-weight: 500;
  letter-spacing: -0.025em;
  color: var(--ink-text);
}

.facts {
  margin-top: clamp(24px, 3vw, 34px);
  border-top: 1px solid var(--light-line);
}

.facts__row {
  display: grid;
  grid-template-columns: 10.5rem 1fr;
  gap: 16px;
  padding: 13px 0;
  border-bottom: 1px solid var(--light-line);
}

.facts dt {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--teal-deep);
  padding-top: 3px;
}

.facts dd {
  font-size: 14px;
  line-height: 1.55;
  color: rgba(11, 23, 27, 0.82);
}

.vona__media {
  position: relative;
  margin: 0;
}

.badge {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 3;
  padding: 7px 13px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(11, 23, 27, 0.08);
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--teal-deep);
  box-shadow: 0 6px 18px rgba(11, 40, 46, 0.1);
}

.vona__main {
  display: block;
  width: 100%;
  height: auto;
  mix-blend-mode: multiply;
}

.vona__scene {
  margin: clamp(30px, 4.2vw, 60px) 0 0;
  border-radius: 24px;
  overflow: hidden;
  background: #dfe8e8;
  box-shadow: 0 30px 70px rgba(11, 40, 46, 0.14);
}

.vona__scene img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
  object-position: center 50%;
}

@media (max-width: 900px) {
  .vona__grid {
    grid-template-columns: 1fr;
  }

  .facts__row {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .vona__scene img {
    aspect-ratio: 4 / 3;
  }
}

/* ---------- 05 sensono ---------- */

.sensono {
  background:
    radial-gradient(58% 50% at 84% 6%, rgba(107, 155, 165, 0.24), transparent 62%),
    linear-gradient(180deg, #070f12 0%, #08161a 55%, #070f12 100%);
}

.sensono__head {
  max-width: 34rem;
}

.sensono__head .h2 {
  margin-top: 16px;
}

.sensono__sub {
  margin-top: 14px;
  font-size: clamp(15px, 1.4vw, 18px);
  color: var(--dark-body);
}

.sensono__grid {
  margin-top: clamp(30px, 4vw, 54px);
  display: grid;
  grid-template-columns: minmax(0, 1.04fr) minmax(0, 1fr);
  gap: clamp(28px, 4.6vw, 68px);
  align-items: center;
}

.sensono__media {
  position: relative;
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.sensono__media img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  object-position: center;
}

.sensono__media figcaption {
  position: absolute;
  left: 14px;
  bottom: 12px;
  font-size: 9px;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.52);
}

.mini {
  margin-top: clamp(22px, 2.6vw, 32px);
  border-top: 1px solid var(--dark-line);
}

.mini li {
  display: grid;
  gap: 3px;
  padding: 13px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
}

.mini__k {
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: #fff;
}

.mini__v {
  font-size: 13px;
  line-height: 1.55;
  color: rgba(255, 255, 255, 0.58);
}

@media (max-width: 900px) {
  .sensono__grid {
    grid-template-columns: 1fr;
  }
}

/* ---------- 06 how ---------- */

.steps {
  margin-top: clamp(34px, 4.4vw, 62px);
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(16px, 2.4vw, 34px);
}

.step {
  position: relative;
  padding-top: 24px;
  border-top: 1px solid rgba(52, 100, 111, 0.32);
}

.step::before {
  content: "";
  position: absolute;
  top: -3.5px;
  left: 0;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--teal);
}

.step__no {
  display: block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.18em;
  color: var(--teal-deep);
  margin-bottom: clamp(20px, 2.6vw, 34px);
}

.step h3 {
  font-size: clamp(26px, 3vw, 42px);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1;
  color: var(--ink-text);
}

.step p {
  margin-top: 14px;
  font-size: 14px;
  line-height: 1.62;
  color: var(--ink-body);
  max-width: 26ch;
  text-wrap: pretty;
}

@media (max-width: 780px) {
  .steps {
    grid-template-columns: 1fr;
    gap: 26px;
  }
}

/* ---------- 07 science ---------- */

.science__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(30px, 5vw, 80px);
  align-items: start;
}

.science__copy .h2 {
  margin-top: 16px;
  max-width: 16ch;
}

.science__copy .vona__body {
  max-width: 42ch;
}

.trust {
  display: grid;
  gap: 12px;
  margin-top: 4px;
}

.trust__row {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: clamp(14px, 1.6vw, 18px) clamp(16px, 1.8vw, 22px);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(11, 23, 27, 0.07);
  font-size: 14px;
  line-height: 1.45;
  color: rgba(11, 23, 27, 0.84);
}

.trust__icon {
  flex: none;
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: rgba(107, 155, 165, 0.14);
  color: var(--teal-deep);
}

.trust__icon svg {
  width: 19px;
  height: 19px;
}

@media (max-width: 900px) {
  .science__grid {
    grid-template-columns: 1fr;
  }
}

/* ---------- 08 voices ---------- */

.voices__note {
  margin-top: 14px;
  font-size: 12px;
  letter-spacing: 0.02em;
  color: rgba(255, 255, 255, 0.46);
}

.quotes {
  margin-top: clamp(30px, 3.6vw, 50px);
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(14px, 1.8vw, 24px);
}

.quote {
  padding: clamp(22px, 2.4vw, 32px);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 24px;
}

.quote blockquote {
  font-size: clamp(14.5px, 1.25vw, 16px);
  line-height: 1.66;
  color: rgba(255, 255, 255, 0.86);
  text-wrap: pretty;
}

.quote figcaption {
  font-size: 10.5px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--teal-lift);
}

@media (max-width: 900px) {
  .quotes {
    grid-template-columns: 1fr;
  }
}

/* ---------- 09 faq ---------- */

.faq__grid {
  display: grid;
  grid-template-columns: minmax(0, 0.72fr) minmax(0, 1.28fr);
  gap: clamp(24px, 4vw, 64px);
  align-items: start;
}

.faq__list {
  border-top: 1px solid var(--light-line);
}

.qa {
  border-bottom: 1px solid var(--light-line);
}

.qa summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 20px 0;
  font-size: clamp(15px, 1.35vw, 17px);
  font-weight: 500;
  letter-spacing: -0.015em;
  color: var(--ink-text);
  cursor: pointer;
  list-style: none;
}

.qa summary::-webkit-details-marker {
  display: none;
}

.qa__sign {
  position: relative;
  flex: none;
  width: 13px;
  height: 13px;
}

.qa__sign::before,
.qa__sign::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  background: var(--teal-deep);
  transition: transform 0.3s ease;
}

.qa__sign::before {
  width: 13px;
  height: 1.4px;
  transform: translate(-50%, -50%);
}

.qa__sign::after {
  width: 1.4px;
  height: 13px;
  transform: translate(-50%, -50%);
}

.qa[open] .qa__sign::after {
  transform: translate(-50%, -50%) rotate(90deg);
  opacity: 0;
}

.qa__body {
  padding: 0 0 22px;
  max-width: 58ch;
}

.qa__body p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-body);
  text-wrap: pretty;
}

@media (max-width: 860px) {
  .faq__grid {
    grid-template-columns: 1fr;
  }
}

/* ---------- 10 final CTA ---------- */

.final {
  position: relative;
  overflow: hidden;
  padding-block: clamp(76px, 10vw, 150px);
  background-image: url("img/vi/vi_bg_wave.jpg");
  background-size: cover;
  background-position: center 38%;
}

.final__veil {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(56% 60% at 50% 48%, rgba(5, 11, 14, 0.9) 0%, rgba(5, 11, 14, 0.66) 58%, rgba(5, 11, 14, 0.86) 100%),
    linear-gradient(180deg, rgba(5, 11, 14, 0.9) 0%, rgba(5, 11, 14, 0.42) 46%, rgba(5, 11, 14, 0.92) 100%);
}

.final__inner {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.final__mark {
  width: clamp(96px, 10vw, 128px);
  height: auto;
  opacity: 0.94;
  margin-bottom: clamp(20px, 2.6vw, 32px);
}

.final__h {
  font-size: clamp(38px, 6vw, 84px);
  font-weight: 600;
  line-height: 1;
  letter-spacing: -0.042em;
  color: #fff;
}

.final__sub {
  margin-top: 18px;
  max-width: 32ch;
  font-size: clamp(14px, 1.3vw, 16.5px);
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.72);
  text-wrap: pretty;
}

.signup {
  margin-top: clamp(26px, 3vw, 38px);
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: center;
  width: min(100%, 520px);
}

.signup__input {
  flex: 1 1 230px;
  min-height: 52px;
  padding: 0 22px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.3);
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  font-family: inherit;
  font-size: 13.5px;
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
}

.signup__input::placeholder {
  color: rgba(255, 255, 255, 0.48);
}

.signup__input:focus {
  outline: none;
  border-color: rgba(255, 255, 255, 0.7);
  background: rgba(255, 255, 255, 0.14);
}

.final__note {
  min-height: 18px;
  margin-top: 12px;
  font-size: 12px;
  color: var(--teal-lift);
}

.final__note.is-error {
  color: var(--rose-lift);
}

.final .link-arrow {
  margin-top: clamp(26px, 3vw, 38px);
}

@media (max-width: 560px) {
  .signup {
    flex-direction: column;
  }

  .signup .btn {
    width: 100%;
  }
}

/* ---------- footer ---------- */

.foot {
  background: #050b0e;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-block: clamp(30px, 3.4vw, 46px);
}

.foot__legal {
  font-size: 11px;
  line-height: 1.72;
  color: rgba(255, 255, 255, 0.42);
  max-width: 88ch;
  text-wrap: pretty;
}

.foot__row {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.07);
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 9.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.3);
}