/* ---------- Tokens ---------- */
:root {
  --bg: #070b16;
  --bg-alt: #0b1122;
  --surface: rgba(255, 255, 255, 0.04);
  --surface-hover: rgba(255, 255, 255, 0.07);
  --border: rgba(255, 255, 255, 0.09);
  --text: #e8ecf6;
  --muted: #9aa5bf;
  --primary: #3b82f6;
  --accent: #22d3ee;
  --grad: linear-gradient(135deg, #3b82f6 0%, #22d3ee 100%);
  --radius: 20px;
  --shadow: 0 20px 50px -20px rgba(0, 0, 0, 0.6);
  --font-body: "Inter", system-ui, -apple-system, sans-serif;
  --font-head: "Space Grotesk", "Inter", sans-serif;
}

/* ---------- Base ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
img {
  max-width: 100%;
  display: block;
}
a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s;
}
a:hover {
  color: var(--accent);
}
h1,
h2,
h3,
h4 {
  font-family: var(--font-head);
  line-height: 1.15;
  margin: 0 0 0.6em;
  letter-spacing: -0.02em;
}
h1 {
  font-size: clamp(2.4rem, 5vw, 4rem);
}
h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
}
h3 {
  font-size: 1.25rem;
}
p {
  margin: 0 0 1rem;
  color: var(--muted);
}

.container {
  width: min(1180px, 92%);
  margin-inline: auto;
}
.gradient-text {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  padding: 0.4rem 0.9rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
  margin-bottom: 1.2rem;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.6rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition:
    transform 0.2s,
    box-shadow 0.2s,
    background 0.2s,
    border-color 0.2s;
}
.btn--primary {
  background: var(--grad);
  color: #04101f;
  box-shadow: 0 10px 30px -10px rgba(59, 130, 246, 0.7);
}
.btn--primary:hover {
  transform: translateY(-2px);
  color: #04101f;
  box-shadow: 0 16px 36px -10px rgba(34, 211, 238, 0.7);
}
.btn--ghost {
  border-color: var(--border);
  color: var(--text);
  background: var(--surface);
}
.btn--ghost:hover {
  border-color: var(--accent);
  background: var(--surface-hover);
  color: var(--text);
}

/* ---------- Navbar ---------- */
.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  padding: 1rem 0;
  transition:
    background 0.3s,
    backdrop-filter 0.3s,
    padding 0.3s,
    border-color 0.3s;
  border-bottom: 1px solid transparent;
}
.nav.is-scrolled {
  background: rgba(7, 11, 22, 0.75);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-color: var(--border);
  padding: 0.6rem 0;
}
.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav__logo img {
  height: 52px;
  width: auto;
}
.nav__menu {
  display: flex;
  align-items: center;
  gap: 2rem;
}
.nav__menu a:not(.btn) {
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--muted);
  position: relative;
}
.nav__menu a:not(.btn)::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 0;
  height: 2px;
  background: var(--grad);
  transition: width 0.25s;
}
.nav__menu a:not(.btn):hover,
.nav__menu a.active {
  color: var(--text);
}
.nav__menu a:not(.btn):hover::after,
.nav__menu a.active::after {
  width: 100%;
}

.nav__toggle {
  display: none;
  background: none;
  border: 0;
  width: 40px;
  height: 40px;
  position: relative;
  cursor: pointer;
}
.nav__toggle span {
  position: absolute;
  left: 8px;
  right: 8px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition:
    transform 0.3s,
    top 0.3s;
}
.nav__toggle span:first-child {
  top: 14px;
}
.nav__toggle span:last-child {
  top: 24px;
}
.nav__toggle.is-open span:first-child {
  top: 19px;
  transform: rotate(45deg);
}
.nav__toggle.is-open span:last-child {
  top: 19px;
  transform: rotate(-45deg);
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: 11rem 0 6rem;
  overflow: hidden;
  isolation: isolate;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at 50% 30%, #000 20%, transparent 70%);
  -webkit-mask-image: radial-gradient(
    ellipse at 50% 30%,
    #000 20%,
    transparent 70%
  );
  opacity: 0.5;
}
.hero__glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(110px);
  z-index: -1;
  opacity: 0.45;
}
.hero__glow--1 {
  width: 460px;
  height: 460px;
  background: #3b82f6;
  top: -120px;
  left: -100px;
}
.hero__glow--2 {
  width: 400px;
  height: 400px;
  background: #22d3ee;
  bottom: -120px;
  right: -80px;
  opacity: 0.3;
}
.hero__inner {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 4rem;
  align-items: center;
}
.hero__text p {
  font-size: 1.1rem;
  max-width: 56ch;
  margin-bottom: 2rem;
}
.hero__actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}
.hero__media {
  border-radius: 28px;
  padding: 10px;
  background: linear-gradient(
    145deg,
    rgba(59, 130, 246, 0.5),
    rgba(34, 211, 238, 0.15)
  );
  box-shadow: var(--shadow);
}
.hero__media img {
  border-radius: 20px;
  width: 100%;
  height: 100%;
  max-height: 460px;
  object-fit: cover;
}

/* ---------- Sections ---------- */
.section {
  padding: 6rem 0;
}
.section--tight {
  padding: 3rem 0;
}
.section--alt {
  background: var(--bg-alt);
  border-block: 1px solid var(--border);
}
.section__head {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 3.5rem;
}

.grid {
  display: grid;
  gap: 1.5rem;
}
.grid--3 {
  grid-template-columns: repeat(3, 1fr);
}

/* ---------- Cards ---------- */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  transition:
    transform 0.3s,
    background 0.3s,
    border-color 0.3s;
}
.card:hover {
  transform: translateY(-6px);
  background: var(--surface-hover);
  border-color: rgba(34, 211, 238, 0.4);
}
.card p {
  margin: 0;
}
.card__icon {
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  margin-bottom: 1.2rem;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.2rem;
  background: rgba(59, 130, 246, 0.15);
  color: var(--accent);
  border: 1px solid rgba(59, 130, 246, 0.3);
}

/* ---------- Split layout ---------- */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}
.split--reverse .split__media {
  order: 2;
}
.split__media img {
  width: 100%;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  object-fit: cover;
  max-height: 440px;
}

/* ---------- Stats ---------- */
.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: linear-gradient(
    135deg,
    rgba(59, 130, 246, 0.12),
    rgba(34, 211, 238, 0.05)
  );
  overflow: hidden;
}
.stat {
  padding: 2.5rem 1rem;
  text-align: center;
}
.stat + .stat {
  border-left: 1px solid var(--border);
}
.stat h3 {
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  margin: 0;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.stat p {
  margin: 0.3rem 0 0;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.8rem;
}

/* ---------- Tabs ---------- */
.tabs {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 28px;
  padding: 1.5rem;
}
.tabs__nav {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 2rem;
  padding: 0.35rem;
  background: rgba(0, 0, 0, 0.25);
  border-radius: 999px;
  width: fit-content;
  max-width: 100%;
}
.tab {
  background: none;
  border: 0;
  color: var(--muted);
  font: 600 0.92rem var(--font-body);
  padding: 0.65rem 1.3rem;
  border-radius: 999px;
  cursor: pointer;
  transition: all 0.25s;
}
.tab:hover {
  color: var(--text);
}
.tab.is-active {
  background: var(--grad);
  color: #04101f;
}
.tabs__body {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 2.5rem;
  align-items: center;
}
.tabs__img {
  border-radius: var(--radius);
  width: 100%;
  background: #fff;
  padding: 0.75rem;
}
.panel {
  display: none;
  animation: fade 0.4s ease;
}
.panel.is-active {
  display: block;
}
.panel p {
  font-size: 1.08rem;
  margin: 0;
}
.panel strong {
  color: var(--text);
}
@keyframes fade {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* ---------- Contact ---------- */
.contact-list {
  list-style: none;
  padding: 0;
  margin: 2rem 0 0;
  display: grid;
  gap: 1rem;
}
.contact-list li {
  display: flex;
  align-items: center;
  gap: 1rem;
  color: var(--text);
}
.contact-list__icon {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  flex-shrink: 0;
  border-radius: 12px;
  background: var(--surface);
  border: 1px solid var(--border);
}
.form {
  display: grid;
  gap: 1.1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 2.2rem;
  box-shadow: var(--shadow);
}
.form h3 {
  font-size: 1.5rem;
  margin-bottom: 0.2rem;
}
.form label span {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 0.4rem;
  color: var(--muted);
}
input,
textarea {
  width: 100%;
  font: inherit;
  color: var(--text);
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 0.85rem 1rem;
  transition:
    border-color 0.2s,
    box-shadow 0.2s;
}
input::placeholder,
textarea::placeholder {
  color: #5f6b87;
}
input:focus,
textarea:focus {
  outline: 0;
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(34, 211, 238, 0.15);
}
.form .btn {
  justify-self: start;
}

/* ---------- Partners ---------- */
.partners__label {
  text-align: center;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.78rem;
  margin-bottom: 2rem;
}
.partners {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 2rem 3rem;
}
.partners img {
  height: 34px;
  width: auto;
  max-width: 130px;
  object-fit: contain;
  filter: grayscale(1) brightness(0) invert(1);
  opacity: 0.45;
  transition:
    opacity 0.3s,
    filter 0.3s;
}
.partners img:hover {
  opacity: 1;
  filter: none;
}

/* ---------- Footer ---------- */
.footer {
  border-top: 1px solid var(--border);
  padding-top: 4rem;
  background: var(--bg-alt);
}
.footer__grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 4rem;
  padding-bottom: 3rem;
}
.footer__logo {
  height: 64px;
  width: auto;
  margin-bottom: 1.2rem;
}
.footer p {
  margin-bottom: 0.5rem;
}
.footer p a:hover {
  color: var(--accent);
}
.footer h4 {
  font-size: 1.1rem;
}
.subscribe {
  display: flex;
  gap: 0.6rem;
}
.subscribe input {
  flex: 1;
  border-radius: 999px;
}
.social {
  display: flex;
  gap: 0.7rem;
  margin-top: 1.5rem;
}
.social a {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--surface);
  font-weight: 700;
  font-size: 0.9rem;
  transition: all 0.25s;
}
.social a:hover {
  background: var(--grad);
  color: #04101f;
  transform: translateY(-3px);
}
.footer__bottom {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  padding-block: 1.5rem;
  border-top: 1px solid var(--border);
  font-size: 0.9rem;
  color: var(--muted);
}
.footer__bottom p {
  margin: 0;
}
.footer__bottom a:hover {
  color: var(--accent);
}

/* ---------- Reveal animation ---------- */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition:
    opacity 0.8s ease,
    transform 0.8s ease;
}
.reveal.is-visible {
  opacity: 1;
  transform: none;
}
.grid .reveal:nth-child(2) {
  transition-delay: 0.1s;
}
.grid .reveal:nth-child(3) {
  transition-delay: 0.2s;
}
.grid .reveal:nth-child(5) {
  transition-delay: 0.1s;
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }
  .reveal {
    opacity: 1;
    transform: none;
  }
}

/* ---------- Responsive ---------- */
@media (max-width: 992px) {
  .hero {
    padding-top: 9rem;
  }
  .hero__inner,
  .split,
  .footer__grid,
  .tabs__body {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  .split--reverse .split__media {
    order: 0;
  }
  .grid--3 {
    grid-template-columns: repeat(2, 1fr);
  }
  .tabs__img {
    max-width: 240px;
  }
}

@media (max-width: 768px) {
  .nav__toggle {
    display: block;
  }
  .nav__menu {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: rgba(7, 11, 22, 0.97);
    backdrop-filter: blur(14px);
    padding: 1rem 4%;
    border-bottom: 1px solid var(--border);
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    pointer-events: none;
    transition:
      max-height 0.35s,
      opacity 0.25s,
      padding 0.35s;
  }
  .nav__menu.is-open {
    max-height: 420px;
    opacity: 1;
    pointer-events: auto;
    padding-block: 1.2rem;
  }
  .nav__menu a:not(.btn) {
    padding: 0.8rem 0;
    border-bottom: 1px solid var(--border);
  }
  .nav__menu a::after {
    display: none;
  }
  .nav__menu .btn {
    margin-top: 1rem;
  }

  .grid--3 {
    grid-template-columns: 1fr;
  }
  .stats {
    grid-template-columns: 1fr;
  }
  .stat + .stat {
    border-left: 0;
    border-top: 1px solid var(--border);
  }
  .section {
    padding: 4rem 0;
  }
  .tabs__nav {
    border-radius: 20px;
  }
  .subscribe {
    flex-direction: column;
  }
}