:root {
  --bg: #f7f7fb;
  --surface: #ffffff;
  --text: #14131a;
  --muted: #666273;
  --border: #e7e5ef;
  --topbar-bg: rgba(247, 247, 251, 0.85);
  --footer-bg: #fafafe;
  --tag-bg: #edf0ed;
  --tag-border: #d4ddd4;
  --list-text: #2c2a35;
  --featured-border: #aeb9ae;
  --featured-shadow: 0 8px 24px rgba(35, 41, 35, 0.12);
  --outline-border: #bcc8bc;
  --outline-bg: #f5f8f5;
  --outline-hover-border: #8ea28e;
  --outline-hover-bg: #ecf2ec;
  --on-accent: #ffffff;
  --ghost-bg: #ffffff;
  --ghost-hover-border: #d8d4e6;
  --purple: #232923;
  --purple-strong: #151a15;
}

[data-theme="dark"] {
  --bg: #0f0e14;
  --surface: #161521;
  --text: #f6f4fc;
  --muted: #c9c5d8;
  --border: #373449;
  --topbar-bg: rgba(15, 14, 20, 0.9);
  --footer-bg: #12111a;
  --tag-bg: #1b201b;
  --tag-border: #2d352d;
  --list-text: #d8d4e7;
  --featured-border: #4a564a;
  --featured-shadow: 0 12px 26px rgba(10, 7, 20, 0.42);
  --outline-border: #5a695a;
  --outline-bg: #222b22;
  --outline-hover-border: #809680;
  --outline-hover-bg: #2b362b;
  --on-accent: #0f140f;
  --ghost-bg: #232133;
  --ghost-hover-border: #696483;
  --purple: #a7c0a7;
  --purple-strong: #c3d8c3;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: "Inter", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
}

.container {
  width: min(1080px, 92%);
  margin: 0 auto;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 30;
  background: var(--topbar-bg);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}

.nav {
  height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--text);
  letter-spacing: -0.4px;
}

.brand-logo {
  width: 30px;
  height: 30px;
  object-fit: contain;
}

.brand-text {
  line-height: 1;
}

nav {
  display: flex;
  gap: 20px;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

nav a,
.footer a {
  text-decoration: none;
  color: var(--muted);
  font-weight: 500;
}

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

.hero {
  text-align: center;
  padding: 92px 0 70px;
}

.tag {
  display: inline-block;
  color: var(--purple);
  font-weight: 600;
  background: var(--tag-bg);
  border: 1px solid var(--tag-border);
  border-radius: 999px;
  padding: 8px 14px;
  margin-bottom: 20px;
  font-size: 0.92rem;
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3.35rem);
  line-height: 1.15;
  letter-spacing: -1px;
  max-width: 840px;
  margin: 0 auto 16px;
}

.hero h1 span {
  color: var(--purple);
}

.subtitle {
  max-width: 720px;
  margin: 0 auto;
  color: var(--muted);
}

.hero-actions {
  margin-top: 30px;
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

.section {
  padding: 50px 0;
}

.section-title {
  margin-bottom: 24px;
}

.section-title h2 {
  font-size: clamp(1.35rem, 3.2vw, 2rem);
  margin-bottom: 6px;
  letter-spacing: -0.4px;
}

.section-title p {
  color: var(--muted);
}

.plans-switch {
  display: grid;
  gap: 10px;
  margin-bottom: 18px;
}

.switch-row {
  display: inline-flex;
  gap: 6px;
  padding: 5px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface);
  width: fit-content;
}

.switch-btn {
  border: 1px solid transparent;
  background: transparent;
  color: var(--muted);
  padding: 8px 14px;
  border-radius: 9px;
  font-family: "Inter", sans-serif;
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.1px;
  cursor: pointer;
  transition: 0.18s ease;
}

.switch-btn:hover:not(:disabled) {
  color: var(--text);
  background: rgba(127, 127, 127, 0.08);
}

.switch-btn.active {
  color: var(--on-accent);
  background: var(--purple);
  border-color: var(--purple);
  box-shadow: 0 6px 16px rgba(35, 41, 35, 0.2);
}

.switch-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  text-decoration: line-through;
}

.switch-btn:focus-visible {
  outline: 2px solid var(--outline-hover-border);
  outline-offset: 2px;
}

.plans-context {
  color: var(--muted);
  font-size: 0.92rem;
}

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

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 22px;
}

.card.featured {
  border-color: var(--featured-border);
  box-shadow: var(--featured-shadow);
}

.plan {
  color: var(--purple);
  font-weight: 700;
  margin-bottom: 6px;
}

.plan-meta {
  color: var(--muted);
  font-size: 0.8rem;
  margin-bottom: 8px;
}

.card h3 {
  font-size: 1.7rem;
  letter-spacing: -0.5px;
  margin-bottom: 14px;
}

.card h3 span {
  font-size: 0.95rem;
  color: var(--muted);
  font-weight: 500;
}

.card ul {
  list-style: none;
  display: grid;
  gap: 10px;
  color: var(--list-text);
  margin-bottom: 20px;
}

.card .spec-list {
  gap: 8px;
}

.spec-row {
  display: grid;
  grid-template-columns: 18px 74px minmax(0, 1fr);
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: rgba(127, 127, 127, 0.06);
}

.spec-icon {
  color: var(--muted);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.spec-icon svg {
  width: 15px;
  height: 15px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.spec-label {
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.35px;
  color: var(--muted);
  white-space: nowrap;
}

.spec-value {
  font-size: 0.88rem;
  color: var(--list-text);
  min-width: 0;
  overflow-wrap: anywhere;
}

.benefits {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.benefits article {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 18px;
}

.benefits h3 {
  margin-bottom: 8px;
  letter-spacing: -0.2px;
}

.benefits p {
  color: var(--muted);
}

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

.partner-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 14px;
  display: grid;
  gap: 12px;
}

.partner-card img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: 12px;
  border: 1px solid var(--border);
}

.partner-card h3 {
  letter-spacing: -0.2px;
}

.partner-card p {
  color: var(--muted);
  font-size: 0.95rem;
}

.partner-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.partner-modal {
  position: fixed;
  inset: 0;
  z-index: 80;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.28s ease, visibility 0.28s ease;
}

.partner-modal.open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.partner-modal.closing {
  opacity: 1;
  visibility: visible;
  pointer-events: none;
}

.partner-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(10, 10, 18, 0.62);
  backdrop-filter: blur(3px);
  opacity: 0;
  transition: opacity 0.28s ease;
}

.partner-modal-content {
  position: relative;
  width: min(780px, 92%);
  margin: 5vh auto 0;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 14px;
  display: grid;
  gap: 12px;
  opacity: 0;
  transform: translateY(20px) scale(0.88);
  transition: transform 0.36s cubic-bezier(0.2, 0.8, 0.2, 1), opacity 0.32s ease;
  transform-origin: center top;
}

.partner-modal.open .partner-modal-backdrop {
  opacity: 1;
  animation: partnerBackdropIn 0.28s ease forwards;
}

.partner-modal.open .partner-modal-content {
  opacity: 1;
  transform: translateY(0) scale(1);
  animation: partnerModalIn 0.36s cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
}

.partner-modal.closing .partner-modal-backdrop {
  animation: partnerBackdropOut 0.24s ease forwards;
}

.partner-modal.closing .partner-modal-content {
  animation: partnerModalOut 0.26s ease forwards;
}

@keyframes partnerBackdropIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes partnerModalIn {
  from {
    opacity: 0;
    transform: translateY(20px) scale(0.88);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes partnerBackdropOut {
  from {
    opacity: 1;
  }
  to {
    opacity: 0;
  }
}

@keyframes partnerModalOut {
  from {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
  to {
    opacity: 0;
    transform: translateY(10px) scale(0.96);
  }
}

.partner-modal-close {
  position: absolute;
  top: 10px;
  right: 10px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--muted);
  width: 30px;
  height: 30px;
  border-radius: 8px;
  font-size: 1.15rem;
  line-height: 1;
  cursor: pointer;
}

.partner-modal-close:hover {
  color: var(--text);
}

.partner-modal-content img {
  width: 100%;
  max-height: 420px;
  object-fit: cover;
  border-radius: 12px;
  border: 1px solid var(--border);
}

@media (prefers-reduced-motion: reduce) {
  .partner-modal,
  .partner-modal-backdrop,
  .partner-modal-content {
    transition: none;
    animation: none;
    transform: none;
  }
}

.partner-modal-content h3 {
  letter-spacing: -0.2px;
}

.partner-modal-content p {
  color: var(--muted);
}

.cta {
  margin: 24px auto 64px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 34px;
  text-align: center;
}

.cta h2 {
  letter-spacing: -0.4px;
  margin-bottom: 10px;
}

.cta p {
  color: var(--muted);
  margin-bottom: 18px;
}

.footer {
  border-top: 1px solid var(--border);
  padding: 22px 0;
  background: var(--footer-bg);
}

.theme-toggle {
  border: none;
  background: transparent;
  color: var(--muted);
  width: 24px;
  height: 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  font-family: "Inter", sans-serif;
  cursor: pointer;
  line-height: 1;
  transition: color 0.2s ease, opacity 0.2s ease;
  opacity: 0.85;
}

.theme-toggle svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.theme-toggle svg circle {
  fill: none;
}

.theme-toggle:hover {
  color: var(--text);
  opacity: 1;
}

.theme-toggle:focus-visible {
  outline: 2px solid var(--muted);
  outline-offset: 4px;
  border-radius: 4px;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  color: var(--muted);
  font-size: 0.95rem;
}

.footer-branding {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.footer-logo {
  width: 20px;
  height: 20px;
  object-fit: contain;
}

[data-theme="dark"] .brand-logo,
[data-theme="dark"] .footer-logo {
  filter: brightness(0) invert(1);
}

.footer-inner div {
  display: flex;
  gap: 14px;
}

.btn {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  text-decoration: none;
  border-radius: 10px;
  font-weight: 600;
  padding: 11px 16px;
  border: 1px solid transparent;
  transition: 0.2s ease;
}

.btn-primary {
  background: var(--purple);
  color: var(--on-accent);
}

.btn-primary:hover {
  background: var(--purple-strong);
}

.btn-outline {
  border-color: var(--outline-border);
  color: var(--purple);
  background: var(--outline-bg);
}

.btn-outline:hover {
  border-color: var(--outline-hover-border);
  background: var(--outline-hover-bg);
}

.btn-ghost {
  border-color: var(--border);
  color: var(--text);
  background: var(--ghost-bg);
}

.btn-ghost:hover {
  border-color: var(--ghost-hover-border);
}

.full {
  width: 100%;
}

@media (max-width: 920px) {
  .cards,
  .benefits,
  .partners-grid {
    grid-template-columns: 1fr;
  }

  .switch-row {
    width: 100%;
    justify-content: center;
    flex-wrap: wrap;
  }

  nav {
    display: none;
  }

  .plan-btn {
    display: none;
  }

  .partner-modal-content {
    margin-top: 8vh;
    padding: 12px;
  }

  .brand-text {
    display: none;
  }
}