/* nanoTECH PROTECTION: dasar bersama untuk tiga konsep (Essential, Premium, Signature) */

@font-face {
  font-family: "Big Shoulders";
  font-weight: 700;
  font-display: swap;
  src: url("fonts/big-shoulders-latin-700-normal.woff2") format("woff2");
}
@font-face {
  font-family: "Big Shoulders";
  font-weight: 800;
  font-display: swap;
  src: url("fonts/big-shoulders-latin-800-normal.woff2") format("woff2");
}
@font-face {
  font-family: "Big Shoulders";
  font-weight: 900;
  font-display: swap;
  src: url("fonts/big-shoulders-latin-900-normal.woff2") format("woff2");
}
@font-face {
  font-family: "Manrope";
  font-weight: 200 800;
  font-display: swap;
  src: url("fonts/manrope-latin-wght-normal.woff2") format("woff2");
}

:root {
  --ink: #0a0c10;
  --ink-2: #10141a;
  --paper: #e9ecf0;
  --cyan: #00a3ea;
  --sky: #2aa9e9;
  --navy: #1c3a7a;
  --red: #ee5560;
  --display: "Big Shoulders", "Arial Narrow", Impact, sans-serif;
  --sans: "Manrope", system-ui, -apple-system, "Segoe UI", sans-serif;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--ink);
  color: #fff;
  font-family: var(--sans);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: clip;
}

img,
video {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

h1,
h2,
h3,
p,
dl,
dd {
  margin: 0;
}

button {
  font: inherit;
  color: inherit;
  cursor: pointer;
}

.wrap {
  width: 100%;
  max-width: 1500px;
  margin: 0 auto;
  padding: 0 24px;
}
@media (min-width: 768px) {
  .wrap {
    padding: 0 48px;
  }
}

.display {
  font-family: var(--display);
  text-transform: uppercase;
  font-weight: 900;
  letter-spacing: -0.005em;
}

.eyebrow {
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--cyan);
}

/* Tombol */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 14px 28px;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border: 1px solid transparent;
  transition:
    background 0.25s,
    color 0.25s,
    border-color 0.25s;
}
.btn--primary {
  background: var(--cyan);
  color: var(--ink);
}
.btn--primary:hover {
  background: #fff;
}
.btn--ghost {
  border-color: rgba(255, 255, 255, 0.4);
  color: #fff;
}
.btn--ghost:hover {
  background: #fff;
  border-color: #fff;
  color: var(--ink);
}
.btn--dark {
  background: var(--ink);
  color: #fff;
}
.btn--dark:hover {
  background: #fff;
  color: var(--ink);
}
.btn--outline-dark {
  border-color: var(--ink);
  color: var(--ink);
  border-width: 2px;
}
.btn--outline-dark:hover {
  background: var(--ink);
  color: #fff;
}

/* Garis tiga warna, meniru lantai biru-biru-merah di outlet HOUSE OF nanoTECH */
.stripe {
  height: 6px;
  width: 100%;
  background: linear-gradient(90deg, var(--sky) 0 42%, var(--navy) 42% 72%, var(--red) 72% 100%);
}

.no-scrollbar {
  scrollbar-width: none;
  -ms-overflow-style: none;
}
.no-scrollbar::-webkit-scrollbar {
  display: none;
}

/* Tepi kiri dan kanan banner melebur ke warna latar di layar lebar */
@media (min-width: 768px) {
  .feather {
    -webkit-mask-image: linear-gradient(to right, transparent 0, #000 7%, #000 93%, transparent 100%);
    mask-image: linear-gradient(to right, transparent 0, #000 7%, #000 93%, transparent 100%);
  }
}

/* Navigasi */
.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 50;
  background: linear-gradient(to bottom, rgba(10, 12, 16, 0.8), rgba(10, 12, 16, 0));
  transition: background 0.3s;
}
.nav.is-solid {
  background: rgba(10, 12, 16, 0.88);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
}
.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 24px;
}
@media (min-width: 768px) {
  .nav__inner {
    padding: 16px 48px;
  }
}
.nav__logo img {
  height: 32px;
  width: auto;
}
@media (min-width: 768px) {
  .nav__logo img {
    height: 40px;
  }
}
.nav__links {
  display: none;
  gap: 36px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.8);
}
@media (min-width: 768px) {
  .nav__links {
    display: flex;
  }
}
.nav__links a:hover {
  color: #fff;
}
.nav__cta {
  border-radius: 999px;
  background: var(--cyan);
  color: var(--ink);
  padding: 10px 20px;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: background 0.25s;
}
.nav__cta:hover {
  background: #fff;
}

/* Muncul saat dibuka dan saat di-scroll */
@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(32px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}
.rise {
  animation: rise 0.9s cubic-bezier(0.2, 0.7, 0.2, 1) both;
}
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition:
    opacity 0.8s cubic-bezier(0.2, 0.7, 0.2, 1),
    transform 0.8s cubic-bezier(0.2, 0.7, 0.2, 1);
}
.reveal.is-in {
  opacity: 1;
  transform: none;
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  .rise {
    animation: none;
  }
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* Penanda konsep di footer */
.concept-note {
  background: var(--ink);
  color: rgba(255, 255, 255, 0.6);
  font-size: 12px;
  line-height: 1.6;
  padding: 24px;
}
@media (min-width: 768px) {
  .concept-note {
    padding: 28px 48px;
  }
}
.concept-note__row {
  max-width: 1500px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
@media (min-width: 768px) {
  .concept-note__row {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}