/* ============ Waive Technology — brand styles ============ */
:root {
  --bg: #070b1f;
  --bg-soft: #0c1230;
  --ink: #e8ecf8;
  --ink-dim: #9aa3c0;
  --cyan: #22d3ee;
  --teal: #06b6d4;
  --violet: #7c3aed;
  --magenta: #c026d3;
  --coral: #fb7185;
  --card: rgba(255, 255, 255, 0.04);
  --stroke: rgba(255, 255, 255, 0.09);
  --grad: linear-gradient(90deg, var(--cyan), var(--teal) 40%, var(--violet));
  --radius: 18px;
  --font-display: "Sora", sans-serif;
  --font-body: "Inter", sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background:
    radial-gradient(1200px 800px at 85% -10%, rgba(124, 58, 237, 0.18), transparent 60%),
    radial-gradient(1000px 700px at -10% 110%, rgba(6, 182, 212, 0.12), transparent 60%),
    var(--bg);
  color: var(--ink);
  line-height: 1.6;
  overflow-x: hidden;
}

h1, h2, h3 { font-family: var(--font-display); line-height: 1.15; letter-spacing: -0.02em; }
h2 { font-size: clamp(1.7rem, 3.5vw, 2.6rem); font-weight: 700; }
h3 { font-size: 1.2rem; font-weight: 600; }

.grad-text {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ============ Buttons ============ */
.btn {
  display: inline-block;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.85rem 1.8rem;
  border-radius: 999px;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
}
.btn--solid {
  color: #fff;
  background: linear-gradient(90deg, var(--teal), var(--violet));
  box-shadow: 0 4px 24px rgba(34, 211, 238, 0.35);
}
.btn--solid:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(124, 58, 237, 0.5);
}
.btn--ghost {
  color: var(--ink);
  border: 1px solid var(--stroke);
  background: rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(8px);
}
.btn--ghost:hover {
  border-color: var(--cyan);
  box-shadow: 0 0 24px rgba(34, 211, 238, 0.25);
  transform: translateY(-2px);
}
.btn--small { padding: 0.55rem 1.3rem; font-size: 0.85rem; }

/* ============ Navigation ============ */
.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem clamp(1.2rem, 5vw, 4rem);
  transition: background 0.3s ease, box-shadow 0.3s ease, padding 0.3s ease;
}
.nav.scrolled {
  background: rgba(7, 11, 31, 0.72);
  backdrop-filter: blur(16px);
  box-shadow: 0 1px 0 var(--stroke);
  padding-block: 0.65rem;
}
.nav__brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
  color: var(--ink);
}
.nav__logo { width: 38px; height: 38px; display: grid; place-items: center; }
.nav__logo svg { width: 100%; height: 100%; filter: drop-shadow(0 0 8px rgba(34, 211, 238, 0.6)); }
.nav__name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.05rem;
  letter-spacing: 0.04em;
}
.nav__name em {
  display: block;
  font-style: normal;
  font-weight: 400;
  font-size: 0.58rem;
  letter-spacing: 0.42em;
  color: var(--ink-dim);
}
.nav__links { display: flex; align-items: center; gap: 2rem; }
.nav__links a:not(.btn) {
  color: var(--ink-dim);
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 500;
  transition: color 0.2s ease;
}
.nav__links a:not(.btn):hover { color: var(--cyan); }

.nav__burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.nav__burger span {
  width: 22px;
  height: 2px;
  background: var(--ink);
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

/* ============ Hero ============ */
.hero {
  position: relative;
  min-height: 100svh;
  display: grid;
  place-items: center;
  overflow: hidden;
}
#wave-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}
.hero__glow {
  position: absolute;
  width: 60vw;
  height: 60vw;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.25;
  pointer-events: none;
}
.hero__glow--cyan { background: var(--teal); bottom: -30vw; right: -15vw; }
.hero__glow--violet { background: var(--violet); top: -30vw; left: -15vw; }

.hero__content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 7rem 1.5rem 4rem;
  max-width: 880px;
}
.hero__kicker {
  font-family: var(--font-display);
  font-size: 0.8rem;
  letter-spacing: 0.5em;
  color: var(--cyan);
  margin-bottom: 1.2rem;
  text-shadow: 0 0 16px rgba(34, 211, 238, 0.7);
}
.hero__title {
  font-size: clamp(2.4rem, 6.5vw, 4.6rem);
  font-weight: 800;
}
.hero__sub {
  margin: 1.5rem auto 2.4rem;
  max-width: 560px;
  color: var(--ink-dim);
  font-size: clamp(1rem, 1.6vw, 1.15rem);
}
.hero__actions { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }

.hero__scroll {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  width: 26px;
  height: 44px;
  border: 1.5px solid var(--stroke);
  border-radius: 999px;
  display: flex;
  justify-content: center;
  padding-top: 8px;
}
.hero__scroll-dot {
  width: 4px;
  height: 8px;
  border-radius: 4px;
  background: var(--cyan);
  animation: scrollDot 1.8s ease-in-out infinite;
}
@keyframes scrollDot {
  0%, 100% { transform: translateY(0); opacity: 1; }
  60% { transform: translateY(14px); opacity: 0; }
}

/* ============ Sections ============ */
.section { padding: clamp(4.5rem, 9vw, 8rem) clamp(1.2rem, 6vw, 6rem); }
.section__head { max-width: 640px; margin-bottom: 3.2rem; }
.section__kicker {
  font-family: var(--font-display);
  font-size: 0.75rem;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 0.8rem;
}

/* ============ Cards ============ */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.4rem;
}
.card {
  position: relative;
  background: var(--card);
  border: 1px solid var(--stroke);
  border-radius: var(--radius);
  padding: 2rem 1.6rem;
  backdrop-filter: blur(10px);
  transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}
.card:hover {
  transform: translateY(-6px);
  border-color: rgba(34, 211, 238, 0.4);
  box-shadow: 0 16px 48px rgba(6, 182, 212, 0.15);
}
.card__icon {
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  margin-bottom: 1.3rem;
  color: var(--tint, var(--cyan));
  background: color-mix(in srgb, var(--tint, var(--cyan)) 12%, transparent);
  box-shadow: 0 0 24px color-mix(in srgb, var(--tint, var(--cyan)) 25%, transparent);
}
.card__icon svg { width: 26px; height: 26px; }
.card p { color: var(--ink-dim); font-size: 0.93rem; margin: 0.6rem 0 1.2rem; }
.card__link {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--cyan);
  text-decoration: none;
}
.card__link:hover { text-shadow: 0 0 12px rgba(34, 211, 238, 0.8); }

/* ============ About / Stats ============ */
.section--split {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: clamp(2rem, 6vw, 5rem);
  align-items: center;
}
.split__body { color: var(--ink-dim); margin: 1.2rem 0 2rem; }
.stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.2rem;
}
.stat {
  background: var(--card);
  border: 1px solid var(--stroke);
  border-radius: var(--radius);
  padding: 1.6rem 1.4rem;
  text-align: center;
}
.stat__num, .stat__plus {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 800;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.stat__plus { font-size: 1.4rem; }
.stat p { color: var(--ink-dim); font-size: 0.85rem; margin-top: 0.3rem; }

/* ============ Quote band ============ */
.band {
  margin: 0 clamp(1.2rem, 6vw, 6rem);
  border-radius: calc(var(--radius) * 1.5);
  background:
    radial-gradient(600px 300px at 20% 0%, rgba(34, 211, 238, 0.12), transparent),
    radial-gradient(600px 300px at 80% 100%, rgba(124, 58, 237, 0.15), transparent),
    var(--bg-soft);
  border: 1px solid var(--stroke);
  overflow: hidden;
}
.band__inner {
  max-width: 820px;
  margin: 0 auto;
  padding: clamp(3rem, 6vw, 5rem) 2rem;
  text-align: center;
}
.band__inner h2 { font-weight: 600; font-size: clamp(1.25rem, 2.6vw, 1.8rem); }
.band__attr { margin-top: 1.4rem; color: var(--cyan); font-size: 0.9rem; }

/* ============ Contact ============ */
.section--contact { display: grid; place-items: center; text-align: center; }
.contact { max-width: 620px; width: 100%; }
.contact__sub { color: var(--ink-dim); margin: 1rem 0 2.2rem; }
.contact__form { display: grid; gap: 1rem; text-align: left; }
.contact__form input,
.contact__form textarea {
  width: 100%;
  background: var(--card);
  border: 1px solid var(--stroke);
  border-radius: 12px;
  padding: 0.95rem 1.2rem;
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 0.95rem;
  resize: vertical;
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}
.contact__form input:focus,
.contact__form textarea:focus {
  outline: none;
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.15);
}
.contact__form ::placeholder { color: var(--ink-dim); }
.contact__form .btn { justify-self: center; margin-top: 0.4rem; }
.contact__thanks { display: none; text-align: center; color: var(--cyan); }
.contact__form.sent input,
.contact__form.sent textarea,
.contact__form.sent .btn { display: none; }
.contact__form.sent .contact__thanks { display: block; }

/* ============ Footer ============ */
.footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1.5rem;
  padding: 2.5rem clamp(1.2rem, 6vw, 6rem);
  border-top: 1px solid var(--stroke);
}
.footer__brand p { color: var(--ink-dim); font-size: 0.8rem; margin-top: 0.4rem; }
.footer__links { display: flex; gap: 1.6rem; }
.footer__links a {
  color: var(--ink-dim);
  text-decoration: none;
  font-size: 0.88rem;
}
.footer__links a:hover { color: var(--cyan); }

/* ============ Reveal on scroll ============ */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible { opacity: 1; transform: none; }

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

/* ============ Responsive ============ */
@media (max-width: 860px) {
  .section--split { grid-template-columns: 1fr; }
  .nav__links {
    position: fixed;
    inset: 0;
    flex-direction: column;
    justify-content: center;
    background: rgba(7, 11, 31, 0.96);
    backdrop-filter: blur(20px);
    transform: translateY(-100%);
    transition: transform 0.4s cubic-bezier(0.65, 0, 0.35, 1);
  }
  .nav__links.open { transform: translateY(0); }
  .nav__links a:not(.btn) { font-size: 1.3rem; }
  .nav__burger { display: flex; z-index: 110; }
  .nav__burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav__burger.open span:nth-child(2) { opacity: 0; }
  .nav__burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
}