/* =========================================================
   CLOUD RESCUE — CLIENT PAYMENT PAGE
   Revision 003

   Purpose:
   Secure-payment presentation, invoice guidance,
   activation status, billing assistance, and trust signals.
   ========================================================= */


/* =========================================================
   1. PAYMENT HERO
   ========================================================= */

.payment-hero {
  position: relative;
  display: grid;
  min-height: 70svh;
  align-items: center;
  overflow: hidden;
  padding-block: clamp(7rem, 13vw, 10rem);
  border-bottom: 1px solid var(--color-border);
  background:
    radial-gradient(
      circle at 86% 20%,
      rgba(102, 217, 255, 0.075),
      transparent 27rem
    );
  isolation: isolate;
}

.payment-hero::before {
  position: absolute;
  top: -18rem;
  right: -13rem;
  z-index: -1;
  width: 44rem;
  height: 44rem;
  border: 1px solid rgba(102, 217, 255, 0.07);
  border-radius: 50%;
  content: "";
}

.payment-hero::after {
  position: absolute;
  top: -5rem;
  right: 1rem;
  z-index: -1;
  width: 21rem;
  height: 21rem;
  border: 1px solid rgba(214, 180, 90, 0.07);
  border-radius: 50%;
  content: "";
}

.payment-hero__layout {
  display: grid;
  grid-template-columns:
    minmax(0, 1.1fr)
    minmax(17rem, 0.6fr);

  align-items: center;
  gap: clamp(4rem, 10vw, 8rem);
}

.payment-hero__content {
  display: grid;
  gap: var(--space-8);
}

.payment-hero h1 {
  max-width: 10ch;
}

.payment-hero__statement {
  max-width: 62ch;
  font-size: clamp(1.08rem, 2vw, 1.3rem);
}

.payment-status {
  position: relative;
  padding: clamp(1.5rem, 4vw, 2.5rem);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(
      145deg,
      rgba(255, 255, 255, 0.045),
      rgba(255, 255, 255, 0.012)
    );
}

.payment-status::before {
  position: absolute;
  top: 0;
  left: 2rem;
  width: 5rem;
  height: 1px;
  background: var(--color-crystal);
  content: "";
}

.payment-status__indicator {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding-bottom: var(--space-6);
  border-bottom: 1px solid var(--color-border);
}

.payment-status__indicator span {
  width: 0.55rem;
  height: 0.55rem;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--color-warning);
  box-shadow: 0 0 0 0.3rem rgba(229, 200, 121, 0.11);
}

.payment-status__indicator p {
  color: var(--color-text);
  font-size: var(--font-size-sm);
  font-weight: 700;
}

.payment-status dl {
  display: grid;
}

.payment-status dl div {
  display: grid;
  grid-template-columns: minmax(6rem, 0.7fr) minmax(0, 1fr);
  gap: var(--space-4);
  padding-block: var(--space-5);
  border-bottom: 1px solid var(--color-border);
}

.payment-status dl div:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.payment-status dt {
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
}

.payment-status dd {
  color: var(--color-text);
  font-size: var(--font-size-sm);
  font-weight: 650;
}


/* =========================================================
   2. CHECKOUT PATH
   ========================================================= */

.payment-path {
  background:
    linear-gradient(
      180deg,
      rgba(255, 255, 255, 0.008),
      transparent 35%
    );
}

.payment-path__layout {
  display: grid;
  grid-template-columns:
    minmax(0, 0.75fr)
    minmax(20rem, 1.05fr);

  align-items: start;
  gap: clamp(4rem, 10vw, 8rem);
}

.payment-path .section-heading {
  position: sticky;
  top: 8.5rem;
  margin-bottom: 0;
}

.checkout-panel {
  display: grid;
  gap: var(--space-8);
  padding: clamp(1.5rem, 5vw, 3rem);
  border: 1px solid rgba(102, 217, 255, 0.2);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(
      145deg,
      rgba(102, 217, 255, 0.055),
      rgba(255, 255, 255, 0.015)
    );
}

.checkout-panel__heading {
  display: flex;
  align-items: center;
  gap: var(--space-5);
  padding-bottom: var(--space-8);
  border-bottom: 1px solid var(--color-border);
}

.checkout-panel__mark {
  display: grid;
  width: 3.4rem;
  height: 3.4rem;
  place-items: center;
  flex: 0 0 auto;
  border: 1px solid rgba(102, 217, 255, 0.3);
  border-radius: var(--radius-md);
  background: rgba(102, 217, 255, 0.07);
  color: var(--color-crystal);
  font-family: var(--font-display);
  font-size: var(--font-size-sm);
  font-weight: 750;
  letter-spacing: 0.08em;
}

.checkout-panel__label {
  margin-bottom: var(--space-1);
  color: var(--color-text-muted);
  font-size: var(--font-size-xs);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.checkout-panel__instructions ol {
  display: grid;
  list-style: none;
}

.checkout-panel__instructions li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: var(--space-5);
  padding-block: var(--space-6);
  border-bottom: 1px solid var(--color-border);
}

.checkout-panel__instructions li:first-child {
  padding-top: 0;
}

.checkout-panel__instructions li > span {
  color: var(--color-crystal);
  font-family: var(--font-display);
  font-size: var(--font-size-xs);
  font-weight: 750;
  letter-spacing: 0.12em;
}

.checkout-panel__instructions li div {
  display: grid;
  gap: var(--space-2);
}

.checkout-panel__instructions h4 {
  color: var(--color-text);
}

.checkout-panel__instructions p {
  color: var(--color-text-muted);
}

.checkout-button {
  width: 100%;
}

.button--disabled,
.button--disabled:hover,
.button--disabled:active {
  border-color: var(--color-border-strong);
  background: rgba(255, 255, 255, 0.05);
  color: var(--color-text-muted);
  cursor: not-allowed;
  transform: none;
}

.checkout-panel__activation-note {
  margin-top: calc(var(--space-4) * -1);
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
  text-align: center;
}

.checkout-panel__security {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-5);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: rgba(0, 0, 0, 0.1);
}

.checkout-panel__security svg {
  flex: 0 0 auto;
  margin-top: 0.15rem;
  color: var(--color-crystal);
}

.checkout-panel__security p {
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
}


/* =========================================================
   3. INVOICE GUIDANCE
   ========================================================= */

.invoice-guidance {
  background: var(--color-background-deep);
}

.invoice-guidance .section-heading h2 {
  max-width: 20ch;
}

.guidance-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-6);
}

.guidance-card {
  min-height: 21rem;
  padding: clamp(1.5rem, 3vw, 2.25rem);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(
      145deg,
      rgba(255, 255, 255, 0.04),
      rgba(255, 255, 255, 0.012)
    );
}

.guidance-card__number {
  margin-bottom: var(--space-12);
  color: var(--color-crystal);
  font-family: var(--font-display);
  font-size: var(--font-size-sm);
  font-weight: 750;
  letter-spacing: 0.12em;
}

.guidance-card h3 {
  margin-bottom: var(--space-4);
}

.guidance-card p:last-child {
  color: var(--color-text-muted);
}


/* =========================================================
   4. BILLING SUPPORT
   ========================================================= */

.billing-support {
  background:
    linear-gradient(
      180deg,
      rgba(102, 217, 255, 0.02),
      transparent
    );
}

.billing-support__layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: clamp(3rem, 8vw, 6rem);
}

.billing-support__layout > div {
  display: grid;
  gap: var(--space-5);
}

.billing-support h2 {
  max-width: 20ch;
}

.billing-support p:not(.eyebrow) {
  max-width: 62ch;
  font-size: var(--font-size-md);
}


/* =========================================================
   5. PAYMENT PRINCIPLES
   ========================================================= */

.payment-principles {
  background: var(--color-background-deep);
}

.payment-principles__layout {
  display: grid;
  grid-template-columns:
    minmax(0, 0.78fr)
    minmax(0, 1.22fr);

  align-items: start;
  gap: clamp(4rem, 10vw, 8rem);
}

.payment-principles .section-heading {
  position: sticky;
  top: 8.5rem;
  margin-bottom: 0;
}

.payment-principles__list {
  display: grid;
}

.payment-principles__list article {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: var(--space-5);
  padding-block: var(--space-8);
  border-top: 1px solid var(--color-border);
}

.payment-principles__list article:last-child {
  border-bottom: 1px solid var(--color-border);
}

.payment-principles__list article > span {
  width: 0.45rem;
  height: 0.45rem;
  margin-top: 0.7rem;
  border-radius: 50%;
  background: var(--color-crystal);
  box-shadow: 0 0 0 0.25rem var(--color-crystal-soft);
}

.payment-principles__list article div {
  display: grid;
  gap: var(--space-3);
}

.payment-principles__list p {
  max-width: 54ch;
  color: var(--color-text-muted);
}


/* =========================================================
   6. CLOSING SCENE
   ========================================================= */

.payment-close {
  min-height: 62vh;
  display: grid;
  align-items: center;
  overflow: hidden;
  background:
    radial-gradient(
      circle at 50% 120%,
      rgba(102, 217, 255, 0.085),
      transparent 30rem
    ),
    linear-gradient(
      180deg,
      var(--color-background),
      var(--color-background-deep)
    );
}

.payment-close::before {
  position: absolute;
  right: 50%;
  bottom: -14rem;
  width: 40rem;
  height: 40rem;
  border: 1px solid rgba(102, 217, 255, 0.065);
  border-radius: 50%;
  content: "";
  transform: translateX(50%);
}

.payment-close__inner {
  position: relative;
  z-index: 1;
  display: grid;
  justify-items: center;
  gap: var(--space-6);
  max-width: 820px;
  text-align: center;
}

.payment-close h2 {
  max-width: 18ch;
}

.payment-close p:not(.eyebrow) {
  max-width: 56ch;
  font-size: var(--font-size-md);
}


/* =========================================================
   7. RESPONSIVE COMPOSITION
   ========================================================= */

@media (max-width: 950px) {
  .payment-hero {
    min-height: auto;
  }

  .payment-hero__layout,
  .payment-path__layout,
  .payment-principles__layout {
    grid-template-columns: 1fr;
  }

  .payment-status {
    max-width: 680px;
  }

  .payment-path .section-heading,
  .payment-principles .section-heading {
    position: static;
    margin-bottom: var(--space-4);
  }

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

  .guidance-card {
    min-height: auto;
    max-width: 680px;
  }
}

@media (max-width: 800px) {
  .billing-support__layout {
    grid-template-columns: 1fr;
    align-items: start;
  }

  .billing-support__layout .button {
    width: fit-content;
  }
}

@media (max-width: 600px) {
  .payment-hero {
    padding-block:
      clamp(5.5rem, 20vw, 7rem)
      clamp(5rem, 18vw, 6.5rem);
  }

  .payment-hero::before,
  .payment-hero::after {
    display: none;
  }

  .payment-status dl div {
    grid-template-columns: 1fr;
    gap: var(--space-1);
  }

  .checkout-panel {
    padding: 1.5rem;
  }

  .checkout-panel__heading {
    align-items: flex-start;
  }

  .checkout-panel__instructions li {
    grid-template-columns: 1fr;
    gap: var(--space-3);
  }

  .billing-support__layout .button {
    width: 100%;
  }

  .payment-close {
    min-height: auto;
  }
}