/* offshoreamp.com — design tokens */
:root {
  --clr-void: #02020e;
  --clr-graphite: #121416;
  --clr-midnight: #060524;
  --clr-indigo-deep: #20265d;
  --clr-indigo: #2d38a9;
  --clr-indigo-soft: #4953a7;
  --clr-coral: #ff3725;
  --clr-coral-hot: #ff1f0b;
  --clr-coral-soft: #ff4e3e;
  --clr-paper: #ffffff;
  --clr-cloud: #f8f9fa;
  --clr-lavender-mist: #eceffa;
  --clr-line: #dee2e6;

  --font-sans:
    "DM Sans", system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  --radius-lg: 1.25rem;
  --radius-md: 0.75rem;
  --shadow-soft: 0 18px 50px rgba(2, 2, 14, 0.35);
  --header-h: 4.25rem;
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 1.05rem;
  line-height: 1.65;
  color: var(--clr-lavender-mist);
  background: var(--clr-void);
  min-height: 100vh;
  overflow-x: hidden;
}

/* Reading progress */
.read-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0%;
  z-index: 10000;
  background: linear-gradient(
    90deg,
    var(--clr-coral-hot),
    var(--clr-indigo),
    var(--clr-coral-soft)
  );
  transform-origin: left;
  transition: width 0.08s linear;
  pointer-events: none;
}

/* Animated background */
.bg-stage {
  position: fixed;
  inset: 0;
  z-index: -2;
  overflow: hidden;
  background:
    radial-gradient(
      120% 80% at 10% 0%,
      var(--clr-midnight) 0%,
      var(--clr-void) 45%
    ),
    radial-gradient(
      90% 60% at 100% 20%,
      rgba(45, 56, 169, 0.35) 0%,
      transparent 55%
    ),
    radial-gradient(
      70% 50% at 50% 100%,
      rgba(255, 55, 37, 0.12) 0%,
      transparent 50%
    );
}

.bg-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.45;
  animation: orb-float 22s var(--ease-out) infinite alternate;
}

.bg-orb--1 {
  width: 42vmin;
  height: 42vmin;
  background: var(--clr-indigo-deep);
  top: -10%;
  left: -5%;
  animation-delay: 0s;
}

.bg-orb--2 {
  width: 36vmin;
  height: 36vmin;
  background: var(--clr-coral);
  bottom: 10%;
  right: -8%;
  animation-delay: -7s;
  opacity: 0.28;
}

.bg-orb--3 {
  width: 28vmin;
  height: 28vmin;
  background: var(--clr-indigo-soft);
  top: 40%;
  right: 15%;
  animation-delay: -12s;
  opacity: 0.22;
}

@keyframes orb-float {
  0% {
    transform: translate(0, 0) scale(1);
  }
  100% {
    transform: translate(4vw, 6vh) scale(1.08);
  }
}

.bg-grid {
  position: fixed;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(
    ellipse 80% 70% at 50% 0%,
    black 20%,
    transparent 75%
  );
  pointer-events: none;
}

a {
  color: var(--clr-coral-soft);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--clr-paper);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 900;
  height: var(--header-h);
  display: flex;
  align-items: center;
  border-bottom: 1px solid rgba(222, 226, 230, 0.08);
  background: rgba(2, 2, 14, 0.72);
  backdrop-filter: blur(14px);
}

.site-header__inner {
  width: min(1120px, 100% - 2rem);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--clr-paper);
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: -0.02em;
  text-decoration: none;
}

.logo__mark {
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 0.55rem;
  background: linear-gradient(135deg, var(--clr-indigo), var(--clr-coral));
  box-shadow: 0 8px 24px rgba(45, 56, 169, 0.45);
}

.nav-desktop {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav-desktop a {
  color: var(--clr-lavender-mist);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  opacity: 0.88;
}

.nav-desktop a:hover,
.nav-desktop a[aria-current="page"] {
  color: var(--clr-paper);
  opacity: 1;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.35rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition:
    transform 0.2s var(--ease-out),
    box-shadow 0.2s ease;
}

.btn--primary {
  background: linear-gradient(135deg, var(--clr-coral), var(--clr-coral-hot));
  color: var(--clr-paper);
  box-shadow: 0 10px 30px rgba(255, 55, 37, 0.35);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 36px rgba(255, 55, 37, 0.45);
  color: var(--clr-paper);
}

.btn--ghost {
  background: rgba(255, 255, 255, 0.06);
  color: var(--clr-paper);
  border: 1px solid rgba(222, 226, 230, 0.2);
}

.btn--ghost:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--clr-paper);
}

/* Hamburger */
.nav-toggle {
  display: none;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 0.65rem;
  border: 1px solid rgba(222, 226, 230, 0.15);
  background: rgba(255, 255, 255, 0.05);
  cursor: pointer;
  padding: 0;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  z-index: 950;
  transition:
    background 0.25s ease,
    border-color 0.25s ease;
}

.nav-toggle:hover {
  background: rgba(255, 255, 255, 0.1);
}

.nav-toggle__bar {
  display: block;
  width: 1.25rem;
  height: 2px;
  background: var(--clr-paper);
  border-radius: 2px;
  transition:
    transform 0.35s var(--ease-out),
    opacity 0.25s ease,
    width 0.25s ease;
  transform-origin: center;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile drawer */
.mobile-drawer {
  position: fixed;
  top: 0;
  right: 0;
  width: min(320px, 86vw);
  height: 100vh;
  display: flex;
  flex-direction: column;
  padding: 0.75rem 1rem 1.75rem 1.25rem;
  background: linear-gradient(165deg, var(--clr-graphite), var(--clr-midnight));
  border-left: 1px solid rgba(222, 226, 230, 0.1);
  box-shadow: -24px 0 60px rgba(0, 0, 0, 0.5);
  transform: translateX(100%);
  visibility: hidden;
  transition:
    transform 0.45s var(--ease-out),
    visibility 0.45s;
  z-index: 920;
  gap: 40px;
}

.mobile-drawer__top {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  flex-shrink: 0;
  min-height: 2.5rem;
  margin-bottom: 0.35rem;
}

.mobile-drawer__close {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 0.6rem;
  border: 1px solid rgba(222, 226, 230, 0.18);
  background: rgba(255, 255, 255, 0.06);
  color: var(--clr-paper);
  font-size: 1.35rem;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  transition:
    background 0.2s ease,
    border-color 0.2s ease;
}

.mobile-drawer__close:hover {
  background: rgba(255, 55, 37, 0.2);
  border-color: rgba(255, 78, 62, 0.45);
}

.mobile-drawer.is-open {
  transform: translateX(0);
  visibility: visible;
}

.mobile-drawer__backdrop {
  position: fixed;
  inset: 0;
  background: rgba(2, 2, 14, 0.55);
  opacity: 0;
  visibility: hidden;
  transition:
    opacity 0.35s ease,
    visibility 0.35s;
  z-index: 910;
}

.mobile-drawer__backdrop.is-visible {
  opacity: 1;
  visibility: visible;
}

.mobile-nav {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  flex: 1;
  overflow: auto;
  min-height: 0;
}

.mobile-nav a {
  padding: 0.85rem 1rem;
  border-radius: var(--radius-md);
  color: var(--clr-lavender-mist);
  text-decoration: none;
  font-weight: 500;
  transition:
    background 0.2s ease,
    color 0.2s ease;
}

.mobile-nav a:hover,
.mobile-nav a[aria-current="page"] {
  background: rgba(255, 255, 255, 0.08);
  color: var(--clr-paper);
}

@media (max-width: 960px) {
  .nav-desktop {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }
}

main {
  width: min(1120px, 100% - 2rem);
  margin: 0 auto;
  padding: 2.5rem 0 4rem;
}

.hero {
  padding: 2rem 0 3rem;
  text-align: center;
}

.hero__badge {
  display: inline-block;
  padding: 0.35rem 0.9rem;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--clr-lavender-mist);
  background: rgba(45, 56, 169, 0.35);
  border: 1px solid rgba(73, 83, 167, 0.5);
  margin-bottom: 1.25rem;
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3.1rem);
  line-height: 1.12;
  margin: 0 0 1rem;
  color: var(--clr-paper);
  letter-spacing: -0.03em;
}

.hero__lead {
  max-width: 38rem;
  margin: 0 auto 1.75rem;
  font-size: 1.15rem;
  color: rgba(236, 239, 250, 0.88);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
}

.card {
  background: linear-gradient(
    145deg,
    rgba(18, 20, 22, 0.92),
    rgba(6, 5, 36, 0.75)
  );
  border: 1px solid rgba(222, 226, 230, 0.1);
  border-radius: var(--radius-lg);
  padding: 1.75rem 2rem;
  box-shadow: var(--shadow-soft);
}

@media (max-width: 576px) {
  .card {
    padding: 1.25rem 1.5rem;
  }
}

.section {
  margin-top: 3.5rem;
}

.section h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  color: var(--clr-paper);
  margin: 0 0 1rem;
  letter-spacing: -0.02em;
}

.section h3 {
  color: var(--clr-paper);
  font-size: 1.2rem;
  margin-top: 1.5rem;
}

.section p,
.section li {
  color: rgba(236, 239, 250, 0.9);
}

.muted {
  color: rgba(236, 239, 250, 0.65);
  font-size: 0.95rem;
}

.stat-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1rem;
  padding: 0.6rem 1rem;
  border-radius: var(--radius-md);
  background: rgba(255, 55, 37, 0.12);
  border: 1px solid rgba(255, 78, 62, 0.35);
  font-size: 0.95rem;
}

.grid-2 {
  display: grid;
  gap: 1.25rem;
}

@media (min-width: 768px) {
  .grid-2 {
    grid-template-columns: repeat(2, 1fr);
  }
}

.grid-4 {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

/* Split layouts: desktop side-by-side, narrow screens stacked */
.layout-split--slots,
.layout-split--ga {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

@media (min-width: 992px) {
  .layout-split--ga {
    flex-direction: row;
    align-items: flex-start;
    gap: 1.75rem;
  }

  .layout-split--ga .layout-split__text {
    flex: 1 1 58%;
    min-width: 0;
  }

  .layout-split--ga .section-figure--split {
    flex: 0 1 48%;
    max-width: 500px;
    margin: 0;
  }
}

@media (min-width: 768px) {
  .layout-split--slots {
    flex-direction: row;
    align-items: flex-start;
    gap: 1.75rem;
  }

  .layout-split--slots .section-figure--split {
    flex: 0 1 50%;
    max-width: 440px;
    margin: 0;
  }

  .layout-split--slots .layout-split__aside {
    flex: 1 1 0;
    min-width: 0;
  }
}

.layout-split__text h2:first-child {
  margin-top: 0;
}

.pill-list {
  list-style: none;
  padding: 0;
  margin: 1rem 0 0;
}

.pill-list li {
  padding: 0.65rem 1rem;
  margin-bottom: 0.5rem;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.04);
  border-left: 3px solid var(--clr-indigo-soft);
}

.alert-block {
  border-radius: var(--radius-lg);
  padding: 1.5rem 1.75rem;
  background: rgba(255, 55, 37, 0.1);
  border: 1px solid rgba(255, 55, 37, 0.35);
  margin: 1.5rem 0;
}

.alert-block h3 {
  margin-top: 0;
  color: var(--clr-coral-soft);
}

.check-grid {
  display: grid;
  gap: 0.75rem;
  margin-top: 1.25rem;
}

@media (min-width: 640px) {
  .check-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.check-item {
  display: flex;
  gap: 0.85rem;
  align-items: flex-start;
  padding: 1rem 1.1rem;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(222, 226, 230, 0.08);
}

.check-item__num {
  flex-shrink: 0;
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.85rem;
  background: var(--clr-indigo);
  color: var(--clr-paper);
}

.steps-list {
  counter-reset: step;
  list-style: none;
  padding: 0;
  margin: 1.5rem 0 0;
}

.steps-list li {
  position: relative;
  padding-left: 3rem;
  margin-bottom: 1.25rem;
}

.steps-list li::before {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  left: 0;
  top: 0;
  width: 2.1rem;
  height: 2.1rem;
  border-radius: 0.5rem;
  background: linear-gradient(
    135deg,
    var(--clr-indigo),
    var(--clr-indigo-deep)
  );
  color: var(--clr-paper);
  font-weight: 700;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.step-note {
  display: block;
  margin-top: 0.35rem;
  font-size: 0.92rem;
  color: rgba(236, 239, 250, 0.7);
}

.faq__item {
  border-radius: var(--radius-md);
  border: 1px solid rgba(222, 226, 230, 0.1);
  padding: 0;
  margin-bottom: 0.65rem;
  background: rgba(255, 255, 255, 0.03);
  overflow: hidden;
}

.faq__item summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--clr-paper);
  list-style: none;
  padding: 1rem 1.15rem;
}

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

.faq__content {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.45s var(--ease-out);
}

.faq__item[open] .faq__content {
  grid-template-rows: 1fr;
}

.faq__inner {
  overflow: hidden;
  min-height: 0;
}

.faq__inner p {
  margin: 0;
  padding: 0 1.15rem 1rem;
  color: rgba(236, 239, 250, 0.9);
}

.org-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
  margin-top: 1.5rem;
}

.org-strip a {
  padding: 0.5rem 1rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(222, 226, 230, 0.12);
  text-decoration: none;
  color: var(--clr-lavender-mist);
  font-size: 0.9rem;
}

.org-strip a:hover {
  border-color: var(--clr-indigo-soft);
  color: var(--clr-paper);
}

/* Embedded practice demo (iframe) */
.game-embed {
  margin: 2rem 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid rgba(73, 83, 167, 0.45);
  background: linear-gradient(
    160deg,
    rgba(32, 38, 93, 0.35),
    rgba(6, 5, 36, 0.75)
  );
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
  display: flex;
  flex-direction: column;
}

.game-embed__viewport {
  position: relative;
  width: 100%;
  min-height: 280px;
  aspect-ratio: 16 / 10;
  background: var(--clr-void);
}

.game-embed__viewport iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
  display: block;
  background: var(--clr-void);
  opacity: 0;
  transition: opacity 0.45s ease;
}

.section-figure {
  margin: 1rem 0 1.5rem;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid rgba(222, 226, 230, 0.1);
  max-width: 560px;
  width: 100%;
}

.section-figure--split {
  max-width: none;
}

.section-figure img {
  display: block;
  width: 100%;
  height: auto;
  vertical-align: middle;
}

.game-embed__caption {
  margin: 0;
  padding: 0.65rem 1rem 0.85rem;
  font-size: 0.88rem;
  text-align: center;
  border-top: 1px solid rgba(222, 226, 230, 0.08);
}

.site-footer {
  margin-top: 4rem;
  padding: 2.5rem 0 2rem;
  border-top: 1px solid rgba(222, 226, 230, 0.08);
  background: rgba(2, 2, 14, 0.5);
}

.site-footer__inner {
  width: min(1120px, 100% - 2rem);
  margin: 0 auto;
  display: grid;
  gap: 2rem;
}

@media (min-width: 768px) {
  .site-footer__inner {
    grid-template-columns: 2fr 1fr 1fr;
  }
}

.site-footer h4 {
  color: var(--clr-paper);
  font-size: 0.95rem;
  margin: 0 0 0.75rem;
}

.site-footer ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.site-footer li {
  margin-bottom: 0.45rem;
}

.site-footer a {
  color: rgba(236, 239, 250, 0.75);
  text-decoration: none;
  font-size: 0.92rem;
}

.site-footer a:hover {
  color: var(--clr-paper);
}

.footer-legal {
  font-size: 0.85rem;
  color: rgba(236, 239, 250, 0.55);
  max-width: 36rem;
}

/* Legal / inner pages */
.page-hero {
  padding-bottom: 1.5rem;
  border-bottom: 1px solid rgba(222, 226, 230, 0.08);
  margin-bottom: 2rem;
}

.page-hero h1 {
  font-size: clamp(1.75rem, 4vw, 2.35rem);
  color: var(--clr-paper);
  margin: 0 0 0.5rem;
}

.prose {
  max-width: 48rem;
}

.prose ol,
.prose ul {
  padding-left: 1.25rem;
}

.prose li {
  margin-bottom: 0.5rem;
}

/* Forms */
.form-stack {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  max-width: 28rem;
}

.form-stack label {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--clr-lavender-mist);
}

.form-stack input,
.form-stack textarea {
  padding: 0.75rem 1rem;
  border-radius: var(--radius-md);
  border: 1px solid rgba(222, 226, 230, 0.15);
  background: rgba(255, 255, 255, 0.06);
  color: var(--clr-paper);
  font-family: inherit;
  font-size: 1rem;
}

.form-stack input:focus,
.form-stack textarea:focus {
  outline: 2px solid var(--clr-indigo-soft);
  outline-offset: 2px;
}

.form-msg {
  padding: 1rem;
  border-radius: var(--radius-md);
  display: none;
}

.form-msg.is-visible {
  display: block;
}

.form-msg--ok {
  background: rgba(45, 56, 169, 0.25);
  border: 1px solid var(--clr-indigo-soft);
  color: var(--clr-lavender-mist);
}

/* Scroll reveal */
[data-reveal] {
  opacity: 0;
  transform: scale(0.8) translateY(12px);
  transition:
    opacity 0.65s var(--ease-out),
    transform 0.65s var(--ease-out);
  transition-delay: var(--reveal-delay, 0s);
  will-change: opacity, transform;
}

[data-reveal].is-visible {
  opacity: 1;
  transform: scale(1) translateY(0);
}

/* Stagger delay set inline via JS (--reveal-delay) */

/* Utility */
.text-center {
  text-align: center;
}

.mt-0 {
  margin-top: 0;
}

.mb-0 {
  margin-bottom: 0;
}