/* ============================================================
   FossiumCheck — базовая тема
   Светлые мягкие тона: бело-голубой, синие акценты,
   крупные скругления, плавные переходы.
   ============================================================ */

:root {
  /* Палитра */
  --c-bg: #f2f7fd;
  --c-bg-soft: #e8f1fb;
  --c-surface: #ffffff;
  --c-surface-2: #f7fbff;
  --c-border: #dbe8f7;
  --c-border-strong: #c3daf2;

  --c-ink: #12263f;
  --c-ink-soft: #47607d;
  --c-ink-mute: #7c93ad;

  --c-primary: #2f6fed;
  --c-primary-dark: #1f55c4;
  --c-primary-soft: #dbe8ff;
  --c-accent: #4fb2f2;
  --c-accent-soft: #dcf1fd;

  --c-ok: #17a673;
  --c-warn: #e0a020;
  --c-danger: #e05563;

  /* Скругления */
  --r-sm: 10px;
  --r-md: 16px;
  --r-lg: 24px;
  --r-xl: 32px;
  --r-pill: 999px;

  /* Тени — мягкие, голубоватые */
  --sh-sm: 0 2px 8px rgba(47, 111, 237, 0.06);
  --sh-md: 0 10px 28px rgba(47, 111, 237, 0.09);
  --sh-lg: 0 24px 60px rgba(31, 85, 196, 0.13);
  --sh-glow: 0 0 0 4px rgba(47, 111, 237, 0.14);

  /* Движение */
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --t-fast: 0.16s var(--ease);
  --t-mid: 0.28s var(--ease);
  --t-slow: 0.55s var(--ease);

  --font-ui: "Inter", "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
  --font-mono: "JetBrains Mono", "Cascadia Code", "SF Mono", Consolas, "Liberation Mono", monospace;

  --shell: 1140px;
}

/* ------------------------------ reset ------------------------------ */

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-ui);
  font-size: 16px;
  line-height: 1.6;
  color: var(--c-ink);
  background: var(--c-bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1,
h2,
h3,
h4 {
  margin: 0 0 0.5em;
  line-height: 1.2;
  letter-spacing: -0.02em;
  font-weight: 700;
}

p {
  margin: 0 0 1em;
}

a {
  color: var(--c-primary);
  text-decoration: none;
  transition: color var(--t-fast);
}

a:hover {
  color: var(--c-primary-dark);
}

img,
svg {
  max-width: 100%;
}

code,
kbd,
pre {
  font-family: var(--font-mono);
}

/* Атрибут hidden должен побеждать display у классов: браузерное
   [hidden]{display:none} слабее любого правила с классом, поэтому без !important
   .field, .note, .btn и прочие display:flex остаются видимыми. */
[hidden] {
  display: none !important;
}

/* --------------------------- фон страницы --------------------------- */

.bg-canvas {
  position: fixed;
  inset: 0;
  z-index: -1;
  overflow: hidden;
  background:
    radial-gradient(1000px 600px at 12% -8%, #ffffff 0%, rgba(255, 255, 255, 0) 60%),
    linear-gradient(180deg, #f6faff 0%, var(--c-bg) 42%, #eaf2fc 100%);
}

/* тонкая «миллиметровка» — программистский подтон */
.bg-canvas::after {
  content: "";
  position: absolute;
  inset: -2px;
  background-image:
    linear-gradient(rgba(47, 111, 237, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(47, 111, 237, 0.055) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(1200px 800px at 50% 0%, #000 0%, transparent 78%);
  -webkit-mask-image: radial-gradient(1200px 800px at 50% 0%, #000 0%, transparent 78%);
}

.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(70px);
  opacity: 0.55;
  animation: drift 22s var(--ease) infinite alternate;
  will-change: transform;
}

.blob--1 {
  width: 520px;
  height: 520px;
  top: -180px;
  left: -120px;
  background: radial-gradient(circle, #cfe4ff 0%, rgba(207, 228, 255, 0) 70%);
}

.blob--2 {
  width: 460px;
  height: 460px;
  top: 120px;
  right: -140px;
  background: radial-gradient(circle, #d9f0fd 0%, rgba(217, 240, 253, 0) 70%);
  animation-duration: 28s;
  animation-delay: -6s;
}

.blob--3 {
  width: 600px;
  height: 600px;
  bottom: -280px;
  left: 38%;
  background: radial-gradient(circle, #e2e9ff 0%, rgba(226, 233, 255, 0) 70%);
  animation-duration: 34s;
  animation-delay: -12s;
}

@keyframes drift {
  from {
    transform: translate3d(0, 0, 0) scale(1);
  }
  to {
    transform: translate3d(40px, 50px, 0) scale(1.12);
  }
}

/* ------------------------------ каркас ------------------------------ */

.shell {
  width: 100%;
  max-width: var(--shell);
  margin: 0 auto;
  padding: 0 24px;
}

.page {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.page > main {
  flex: 1;
}

/* ------------------------------- шапка ------------------------------ */

.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: saturate(140%) blur(14px);
  -webkit-backdrop-filter: saturate(140%) blur(14px);
  background: rgba(255, 255, 255, 0.72);
  border-bottom: 1px solid transparent;
  transition: border-color var(--t-mid), background var(--t-mid), box-shadow var(--t-mid);
}

.topbar.is-scrolled {
  border-bottom-color: var(--c-border);
  box-shadow: var(--sh-sm);
}

.topbar__inner {
  display: flex;
  align-items: center;
  gap: 20px;
  height: 72px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.06rem;
  letter-spacing: -0.02em;
  color: var(--c-ink);
  white-space: nowrap;
}

.brand:hover {
  color: var(--c-ink);
}

.brand__mark {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 11px;
  background: linear-gradient(140deg, var(--c-primary) 0%, var(--c-accent) 100%);
  box-shadow: 0 6px 16px rgba(47, 111, 237, 0.32);
  transition: transform var(--t-mid);
}

.brand:hover .brand__mark {
  transform: rotate(-8deg) scale(1.06);
}

.brand__mark svg {
  width: 18px;
  height: 18px;
  stroke: #fff;
}

.brand__accent {
  color: var(--c-primary);
}

.nav {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: 12px;
}

.nav__link {
  position: relative;
  padding: 8px 14px;
  border-radius: var(--r-pill);
  font-size: 0.94rem;
  font-weight: 500;
  color: var(--c-ink-soft);
  transition: color var(--t-fast), background var(--t-fast);
}

.nav__link::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 3px;
  width: 0;
  height: 2px;
  border-radius: 2px;
  background: var(--c-primary);
  transform: translateX(-50%);
  transition: width var(--t-mid);
}

.nav__link:hover {
  color: var(--c-primary);
  background: rgba(47, 111, 237, 0.06);
}

.nav__link:hover::after,
.nav__link.is-active::after {
  width: 18px;
}

.nav__link.is-active {
  color: var(--c-ink);
  font-weight: 600;
}

.topbar__actions {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-left: auto;
}

.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  border: 1px solid var(--c-border);
  border-radius: 12px;
  background: var(--c-surface);
  cursor: pointer;
  padding: 0;
  place-items: center;
}

.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  display: block;
  width: 16px;
  height: 2px;
  border-radius: 2px;
  background: var(--c-ink-soft);
  transition: transform var(--t-mid), opacity var(--t-fast);
}

.nav-toggle span::before,
.nav-toggle span::after {
  content: "";
  position: relative;
}

.nav-toggle span::before {
  top: -5px;
}

.nav-toggle span::after {
  top: 3px;
}

/* ------------------------------ кнопки ------------------------------ */

.btn {
  --btn-bg: var(--c-surface);
  --btn-fg: var(--c-ink);
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  border: 1px solid transparent;
  border-radius: var(--r-pill);
  font: inherit;
  font-size: 0.94rem;
  font-weight: 600;
  line-height: 1.2;
  color: var(--btn-fg);
  background: var(--btn-bg);
  cursor: pointer;
  white-space: nowrap;
  overflow: hidden;
  transition: transform var(--t-fast), box-shadow var(--t-mid), background var(--t-mid),
    border-color var(--t-mid), color var(--t-mid), opacity var(--t-fast);
}

.btn:hover {
  transform: translateY(-1px);
}

.btn:active {
  transform: translateY(0) scale(0.985);
}

.btn:focus-visible {
  outline: none;
  box-shadow: var(--sh-glow);
}

.btn[disabled],
.btn.is-busy {
  cursor: not-allowed;
  opacity: 0.65;
  transform: none;
}

.btn--primary {
  --btn-fg: #fff;
  background: linear-gradient(135deg, var(--c-primary) 0%, #3f86f5 100%);
  box-shadow: 0 8px 20px rgba(47, 111, 237, 0.26);
}

.btn--primary:hover {
  box-shadow: 0 12px 26px rgba(47, 161, 237, 0.34);
}

/* мягкий блик, пробегающий по кнопке */
.btn--primary::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(105deg, transparent 35%, rgba(255, 255, 255, 0.42) 50%, transparent 65%);
  transform: translateX(-120%);
  transition: transform 0.75s var(--ease);
}

.btn--primary:hover::before {
  transform: translateX(120%);
}

.btn--ghost {
  --btn-fg: var(--c-ink-soft);
  background: transparent;
  border-color: transparent;
}

.btn--ghost:hover {
  --btn-fg: var(--c-primary);
  background: rgba(47, 111, 237, 0.07);
}

.btn--outline {
  --btn-fg: var(--c-primary);
  background: var(--c-surface);
  border-color: var(--c-border-strong);
  box-shadow: var(--sh-sm);
}

.btn--outline:hover {
  border-color: var(--c-primary);
  background: var(--c-surface);
  box-shadow: var(--sh-md);
}

.btn--lg {
  padding: 14px 28px;
  font-size: 1rem;
}

.btn--block {
  width: 100%;
}

.btn__spinner {
  display: none;
  width: 15px;
  height: 15px;
  border: 2px solid currentColor;
  border-top-color: transparent;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

.btn.is-busy .btn__spinner {
  display: block;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

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

.hero {
  padding: 84px 0 64px;
}

.hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  gap: 56px;
  align-items: center;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 6px 14px 6px 8px;
  margin-bottom: 22px;
  border: 1px solid var(--c-border);
  border-radius: var(--r-pill);
  background: rgba(255, 255, 255, 0.8);
  box-shadow: var(--sh-sm);
  font-size: 0.84rem;
  font-weight: 500;
  color: var(--c-ink-soft);
}

.pill__dot {
  position: relative;
  width: 8px;
  height: 8px;
  margin-left: 4px;
  border-radius: 50%;
  background: var(--c-ok);
}

.pill__dot::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: var(--c-ok);
  animation: ping 2s var(--ease) infinite;
}

@keyframes ping {
  0% {
    transform: scale(1);
    opacity: 0.7;
  }
  70%,
  100% {
    transform: scale(2.8);
    opacity: 0;
  }
}

.hero__title {
  font-size: clamp(2.1rem, 4.4vw, 3.3rem);
  margin-bottom: 20px;
}

.grad-text {
  background: linear-gradient(100deg, var(--c-primary) 0%, var(--c-accent) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero__lead {
  max-width: 46ch;
  font-size: 1.09rem;
  color: var(--c-ink-soft);
}

.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 30px 0 22px;
}

.hero__note {
  font-size: 0.88rem;
  color: var(--c-ink-mute);
}

/* ---------------------------- терминал ---------------------------- */

.terminal {
  border-radius: var(--r-lg);
  background: linear-gradient(160deg, #ffffff 0%, var(--c-surface-2) 100%);
  border: 1px solid var(--c-border);
  box-shadow: var(--sh-lg);
  overflow: hidden;
  animation: floatCard 7s var(--ease) infinite alternate;
}

@keyframes floatCard {
  from {
    transform: translateY(0);
  }
  to {
    transform: translateY(-12px);
  }
}

.terminal__bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 13px 18px;
  border-bottom: 1px solid var(--c-border);
  background: rgba(232, 241, 251, 0.55);
}

.terminal__dot {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: #d7e3f2;
}

.terminal__dot:nth-child(1) {
  background: #f7b9bf;
}
.terminal__dot:nth-child(2) {
  background: #f6dca6;
}
.terminal__dot:nth-child(3) {
  background: #b3e5cd;
}

.terminal__name {
  margin-left: 8px;
  font-family: var(--font-mono);
  font-size: 0.79rem;
  color: var(--c-ink-mute);
}

.terminal__body {
  padding: 20px 22px 24px;
  font-family: var(--font-mono);
  font-size: 0.855rem;
  line-height: 1.85;
  min-height: 268px;
}

.term-line {
  opacity: 0;
  transform: translateY(4px);
  animation: lineIn 0.35s var(--ease) forwards;
  white-space: pre-wrap;
  word-break: break-word;
}

@keyframes lineIn {
  to {
    opacity: 1;
    transform: none;
  }
}

.t-prompt {
  color: var(--c-primary);
  font-weight: 600;
}
.t-cmd {
  color: var(--c-ink);
}
.t-mute {
  color: var(--c-ink-mute);
}
.t-ok {
  color: var(--c-ok);
}
.t-warn {
  color: var(--c-warn);
}
.t-alarm {
  color: var(--c-danger);
  font-weight: 600;
}
.t-key {
  color: #8a63d2;
}

.caret {
  display: inline-block;
  width: 8px;
  height: 1.05em;
  vertical-align: -0.18em;
  border-radius: 2px;
  background: var(--c-primary);
  animation: blink 1.05s steps(1) infinite;
}

@keyframes blink {
  50% {
    opacity: 0;
  }
}

/* ------------------------------ секции ------------------------------ */

.section {
  padding: 72px 0;
}

.section--tight {
  padding: 48px 0 72px;
}

.section__head {
  max-width: 660px;
  margin: 0 auto 44px;
  text-align: center;
}

.section__kicker {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--c-primary);
}

.section__title {
  font-size: clamp(1.6rem, 3vw, 2.15rem);
}

.section__sub {
  margin: 0;
  color: var(--c-ink-soft);
}

/* ------------------------------ карточки ------------------------------ */

.grid {
  display: grid;
  gap: 22px;
}

.grid--3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

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

.card {
  position: relative;
  padding: 28px;
  border: 1px solid var(--c-border);
  border-radius: var(--r-lg);
  background: rgba(255, 255, 255, 0.86);
  box-shadow: var(--sh-sm);
  transition: transform var(--t-mid), box-shadow var(--t-mid), border-color var(--t-mid);
}

.card:hover {
  transform: translateY(-4px);
  border-color: var(--c-border-strong);
  box-shadow: var(--sh-md);
}

.card__icon {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  margin-bottom: 16px;
  border-radius: 14px;
  background: linear-gradient(140deg, var(--c-primary-soft) 0%, var(--c-accent-soft) 100%);
  color: var(--c-primary);
}

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

.card__title {
  font-size: 1.09rem;
  margin-bottom: 8px;
}

.card__text {
  margin: 0;
  font-size: 0.95rem;
  color: var(--c-ink-soft);
}

.card__step {
  position: absolute;
  top: 20px;
  right: 24px;
  font-family: var(--font-mono);
  font-size: 2rem;
  font-weight: 700;
  color: rgba(47, 111, 237, 0.1);
  line-height: 1;
}

/* ------------------------ блок «бесплатные тревоги» ------------------------ */

.quota {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 40px;
  align-items: center;
  padding: 40px 44px;
  border: 1px solid var(--c-border);
  border-radius: var(--r-xl);
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(232, 241, 251, 0.9) 100%);
  box-shadow: var(--sh-md);
}

.quota__title {
  font-size: 1.5rem;
  margin-bottom: 10px;
}

.quota__text {
  margin: 0;
  max-width: 52ch;
  color: var(--c-ink-soft);
}

.quota__badge {
  display: grid;
  place-items: center;
  min-width: 176px;
  padding: 26px 30px;
  border-radius: var(--r-lg);
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  box-shadow: var(--sh-sm);
  text-align: center;
}

.quota__value {
  font-family: var(--font-mono);
  font-size: 3rem;
  font-weight: 700;
  line-height: 1;
  color: var(--c-primary);
  opacity: 0;
  transition: opacity var(--t-slow);
}

.quota__value.is-ready {
  opacity: 1;
}

.quota__value.is-loading {
  color: var(--c-ink-mute);
  opacity: 1;
  font-size: 1.6rem;
}

.quota__label {
  margin-top: 8px;
  font-size: 0.86rem;
  color: var(--c-ink-mute);
}

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

.footer {
  margin-top: 40px;
  padding: 28px 0;
  border-top: 1px solid var(--c-border);
  background: rgba(255, 255, 255, 0.55);
}

.footer__inner {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
  justify-content: space-between;
  font-size: 0.87rem;
  color: var(--c-ink-mute);
}

/* ------------------------------- формы ------------------------------- */

.auth {
  display: grid;
  place-items: center;
  padding: 56px 0 72px;
}

.auth__card {
  width: 100%;
  max-width: 440px;
  padding: 38px 36px 32px;
  border: 1px solid var(--c-border);
  border-radius: var(--r-xl);
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  box-shadow: var(--sh-lg);
  animation: cardIn 0.5s var(--ease) both;
}

@keyframes cardIn {
  from {
    opacity: 0;
    transform: translateY(16px) scale(0.985);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.auth__head {
  margin-bottom: 26px;
  text-align: center;
}

.auth__title {
  font-size: 1.6rem;
  margin-bottom: 6px;
}

.auth__sub {
  margin: 0;
  font-size: 0.94rem;
  color: var(--c-ink-soft);
}

.auth__foot {
  margin: 20px 0 0;
  text-align: center;
  font-size: 0.92rem;
  color: var(--c-ink-soft);
}

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

.field {
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.field__label {
  font-size: 0.87rem;
  font-weight: 600;
  color: var(--c-ink-soft);
}

.field__row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.input {
  width: 100%;
  padding: 12px 15px;
  border: 1px solid var(--c-border-strong);
  border-radius: var(--r-md);
  background: var(--c-surface);
  font: inherit;
  font-size: 0.97rem;
  color: var(--c-ink);
  transition: border-color var(--t-fast), box-shadow var(--t-mid), background var(--t-fast);
}

.input::placeholder {
  color: #a9bdd3;
}

.input:hover {
  border-color: #a9c7ea;
}

.input:focus {
  outline: none;
  border-color: var(--c-primary);
  box-shadow: var(--sh-glow);
}

.input.is-invalid {
  border-color: var(--c-danger);
  box-shadow: 0 0 0 4px rgba(224, 85, 99, 0.12);
}

.input--code {
  font-family: var(--font-mono);
  font-size: 1.35rem;
  letter-spacing: 0.4em;
  text-align: center;
  padding: 14px 15px;
}

.field__hint {
  font-size: 0.82rem;
  color: var(--c-ink-mute);
}

.field__error {
  min-height: 0;
  font-size: 0.82rem;
  color: var(--c-danger);
  opacity: 0;
  max-height: 0;
  overflow: hidden;
  transition: opacity var(--t-fast), max-height var(--t-mid);
}

.field__error.is-shown {
  opacity: 1;
  max-height: 60px;
}

/* индикатор надёжности пароля */
.meter {
  display: flex;
  gap: 5px;
  margin-top: 2px;
}

.meter__bar {
  flex: 1;
  height: 4px;
  border-radius: 4px;
  background: var(--c-border);
  transition: background var(--t-mid);
}

.meter__bar.is-on-1 {
  background: var(--c-danger);
}
.meter__bar.is-on-2 {
  background: var(--c-warn);
}
.meter__bar.is-on-3 {
  background: var(--c-accent);
}
.meter__bar.is-on-4 {
  background: var(--c-ok);
}

/* сообщения */
.alert {
  display: flex;
  gap: 10px;
  padding: 12px 15px;
  border-radius: var(--r-md);
  border: 1px solid transparent;
  font-size: 0.9rem;
  /* страховка: даже неожиданно длинный текст не растянет и не порвёт вёрстку */
  max-height: 200px;
  overflow-y: auto;
  overflow-wrap: anywhere;
  animation: cardIn 0.3s var(--ease) both;
}

.alert--error {
  color: #8d2733;
  background: #fdeef0;
  border-color: #f6ccd2;
}

.alert--ok {
  color: #0d6b4b;
  background: #e7f7f1;
  border-color: #bfe8d9;
}

.alert--info {
  color: #1b4f8f;
  background: var(--c-accent-soft);
  border-color: #bfe2f7;
}

.divider {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 4px 0;
  font-size: 0.8rem;
  color: var(--c-ink-mute);
}

.divider::before,
.divider::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--c-border);
}

/* ---------------------- появление при прокрутке ---------------------- */

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

.reveal[data-delay="1"] {
  transition-delay: 0.08s;
}
.reveal[data-delay="2"] {
  transition-delay: 0.16s;
}
.reveal[data-delay="3"] {
  transition-delay: 0.24s;
}

/* ------------------------------ адаптив ------------------------------ */

@media (max-width: 900px) {
  .hero__grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 40px;
  }

  .grid--3,
  .grid--2 {
    grid-template-columns: minmax(0, 1fr);
  }

  .quota {
    grid-template-columns: minmax(0, 1fr);
    padding: 30px;
    text-align: center;
    justify-items: center;
  }

  .quota__text {
    margin-inline: auto;
  }

  .nav-toggle {
    display: grid;
  }

  .nav {
    position: absolute;
    top: 72px;
    left: 12px;
    right: 12px;
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
    margin: 0;
    padding: 10px;
    border: 1px solid var(--c-border);
    border-radius: var(--r-lg);
    background: rgba(255, 255, 255, 0.97);
    box-shadow: var(--sh-md);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: opacity var(--t-mid), transform var(--t-mid), visibility var(--t-mid);
  }

  .nav.is-open {
    opacity: 1;
    visibility: visible;
    transform: none;
  }

  .nav__link {
    border-radius: var(--r-md);
    padding: 11px 14px;
  }

  .nav__link::after {
    display: none;
  }

  .topbar__actions .btn--ghost {
    display: none;
  }
}

@media (max-width: 560px) {
  .hero {
    padding: 52px 0 40px;
  }

  .section {
    padding: 52px 0;
  }

  .auth__card {
    padding: 30px 22px 26px;
  }

  .terminal__body {
    font-size: 0.78rem;
    padding: 16px 16px 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}