/* ============================================================
   HubRivex — Mobile App Studio
   Warm-charcoal editorial theme · Clash Display + General Sans
   ============================================================ */

:root {
  --bg: #141118;
  --bg-raise: #1b1721;
  --card: #191521;
  --ink: #f2eee6;
  --ink-dim: #b5aea2;
  --ink-faint: #7d766c;
  --accent: #ff5a1f;
  --accent-soft: rgba(255, 90, 31, 0.14);
  --line: rgba(242, 238, 230, 0.1);
  --line-strong: rgba(242, 238, 230, 0.2);
  --font-display: "Clash Display", "Avenir Next", sans-serif;
  --font-body: "General Sans", "Helvetica Neue", sans-serif;
  --radius: 20px;
  --pad: clamp(20px, 5vw, 72px);
  color-scheme: dark;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

::selection { background: var(--accent); color: #fff; }

/* ---- grain overlay ---- */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 999;
  pointer-events: none;
  opacity: 0.05;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)' opacity='1'/%3E%3C/svg%3E");
}

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

:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

.wrap {
  max-width: 1200px;
  margin: 0 auto;
  padding-left: var(--pad);
  padding-right: var(--pad);
}

/* ============ header ============ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  background: rgba(20, 17, 24, 0.82);
  border-bottom: 1px solid var(--line);
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.wordmark {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.25rem;
  letter-spacing: 0.01em;
}

.wordmark .mark {
  width: 26px;
  height: 26px;
  border-radius: 8px;
  background: var(--accent);
  display: grid;
  place-items: center;
  color: #fff;
  font-size: 0.85rem;
  font-weight: 700;
}

.wordmark em { font-style: normal; color: var(--accent); }

.site-nav {
  display: flex;
  gap: 28px;
  font-size: 0.92rem;
  color: var(--ink-dim);
}

.site-nav a { position: relative; padding: 4px 0; transition: color 0.2s; }
.site-nav a::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 100%;
  height: 1px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.25s ease;
}
.site-nav a:hover { color: var(--ink); }
.site-nav a:hover::after { transform: scaleX(1); transform-origin: left; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.92rem;
  padding: 10px 20px;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  transition: all 0.22s ease;
  cursor: pointer;
}

.btn:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-1px); }

.btn.solid {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}
.btn.solid:hover {
  background: #ff6d38;
  color: #fff;
  box-shadow: 0 8px 30px rgba(255, 90, 31, 0.35);
}

/* ============ hero ============ */
.hero {
  position: relative;
  padding: clamp(70px, 10vw, 130px) 0 clamp(50px, 7vw, 90px);
  overflow: hidden;
}

/* dot grid + glow atmosphere */
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(242, 238, 230, 0.07) 1px, transparent 1px);
  background-size: 26px 26px;
  mask-image: radial-gradient(ellipse 75% 65% at 42% 38%, black 25%, transparent 72%);
  -webkit-mask-image: radial-gradient(ellipse 75% 65% at 42% 38%, black 25%, transparent 72%);
}
.hero::after {
  content: "";
  position: absolute;
  top: -220px;
  right: -180px;
  width: 640px;
  height: 640px;
  background: radial-gradient(circle, rgba(255, 90, 31, 0.16) 0%, transparent 62%);
  pointer-events: none;
}

.hero .wrap {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  gap: clamp(32px, 6vw, 80px);
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-dim);
  margin-bottom: 26px;
}
.eyebrow::before {
  content: "";
  width: 26px;
  height: 1px;
  background: var(--accent);
}

.hero h1 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(2.6rem, 6vw, 4.6rem);
  line-height: 1.04;
  letter-spacing: -0.02em;
  margin-bottom: 26px;
}

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

.hero .lede {
  font-size: clamp(1rem, 1.4vw, 1.15rem);
  color: var(--ink-dim);
  max-width: 34em;
  margin-bottom: 36px;
}

.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 48px; }

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
  font-size: 0.85rem;
  color: var(--ink-faint);
  border-top: 1px solid var(--line);
  padding-top: 22px;
}
.hero-meta span { display: inline-flex; align-items: center; gap: 8px; }
.hero-meta span::before { content: "◆"; font-size: 0.5rem; color: var(--accent); }

/* staggered load-in */
.rise { opacity: 0; animation: rise 0.8s cubic-bezier(0.22, 1, 0.36, 1) forwards; }
.rise.d1 { animation-delay: 0.08s; }
.rise.d2 { animation-delay: 0.18s; }
.rise.d3 { animation-delay: 0.28s; }
.rise.d4 { animation-delay: 0.4s; }
.rise.d5 { animation-delay: 0.52s; }

@keyframes rise {
  from { opacity: 0; transform: translateY(26px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ---- CSS phone mockup ---- */
.phone-stage {
  position: relative;
  display: flex;
  justify-content: center;
  perspective: 1200px;
}

.phone-stage::before {
  content: "";
  position: absolute;
  top: 50%; left: 50%;
  width: 420px; height: 420px;
  transform: translate(-50%, -50%);
  background: radial-gradient(circle, rgba(255, 90, 31, 0.22) 0%, transparent 65%);
  filter: blur(6px);
}

.phone {
  position: relative;
  width: min(280px, 72vw);
  aspect-ratio: 9 / 19;
  border-radius: 44px;
  background: linear-gradient(160deg, #2a2532, #16131c);
  border: 1px solid rgba(242, 238, 230, 0.16);
  box-shadow:
    0 40px 90px rgba(0, 0, 0, 0.55),
    inset 0 1px 0 rgba(255, 255, 255, 0.08);
  padding: 10px;
  transform: rotate(5deg);
  animation: float 7s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: rotate(5deg) translateY(0); }
  50% { transform: rotate(4deg) translateY(-14px); }
}

.screen {
  height: 100%;
  border-radius: 35px;
  background: linear-gradient(185deg, #201b29 0%, #171320 60%);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  padding: 16px 16px 12px;
  position: relative;
}

.island {
  width: 84px;
  height: 22px;
  border-radius: 999px;
  background: #0b0910;
  margin: 2px auto 18px;
  flex-shrink: 0;
}

.app-greeting { font-size: 0.62rem; color: var(--ink-faint); letter-spacing: 0.1em; text-transform: uppercase; }
.app-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
  margin: 4px 0 14px;
}
.app-title em { font-style: normal; color: var(--accent); }

.app-card {
  border-radius: 14px;
  background: rgba(242, 238, 230, 0.06);
  border: 1px solid rgba(242, 238, 230, 0.07);
  padding: 12px;
  margin-bottom: 10px;
}
.app-card.hot {
  background: linear-gradient(135deg, rgba(255, 90, 31, 0.9), rgba(255, 122, 61, 0.75));
  border-color: transparent;
}
.app-card .bar { height: 7px; border-radius: 4px; background: rgba(242, 238, 230, 0.28); margin-bottom: 7px; }
.app-card .bar.w60 { width: 60%; }
.app-card .bar.w80 { width: 82%; }
.app-card .bar.w40 { width: 42%; margin-bottom: 0; }
.app-card.hot .bar { background: rgba(255, 255, 255, 0.5); }

.app-row { display: flex; gap: 10px; }
.app-row .app-card { flex: 1; margin-bottom: 0; }
.app-chip {
  width: 26px; height: 26px;
  border-radius: 8px;
  background: rgba(242, 238, 230, 0.14);
  margin-bottom: 8px;
}
.app-card.hot .app-chip { background: rgba(255, 255, 255, 0.35); }

.tabbar {
  margin-top: auto;
  display: flex;
  justify-content: space-around;
  padding: 10px 6px 4px;
  border-top: 1px solid rgba(242, 238, 230, 0.08);
}
.tabbar i {
  width: 18px; height: 18px;
  border-radius: 6px;
  background: rgba(242, 238, 230, 0.16);
}
.tabbar i.on { background: var(--accent); }

/* ============ marquee ============ */
.marquee {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
  padding: 18px 0;
  background: var(--bg-raise);
}

.marquee-track {
  display: flex;
  gap: 48px;
  width: max-content;
  animation: scroll 30s linear infinite;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 0.95rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-faint);
  white-space: nowrap;
}

.marquee-track span::after { content: "·"; margin-left: 48px; color: var(--accent); }

@keyframes scroll {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ============ sections ============ */
section.block { padding: clamp(70px, 9vw, 120px) 0; }

.section-head {
  display: flex;
  align-items: baseline;
  gap: 20px;
  margin-bottom: clamp(36px, 5vw, 64px);
}

.section-num {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  color: var(--accent);
}

.section-head h2 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.9rem, 3.6vw, 3rem);
  letter-spacing: -0.01em;
}

.section-head .rule { flex: 1; height: 1px; background: var(--line); }

/* ---- services ---- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 18px;
}

.service {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--card);
  padding: 30px 28px 34px;
  transition: transform 0.25s ease, border-color 0.25s ease;
  overflow: hidden;
}

.service::before {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 3px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}

.service:hover { transform: translateY(-5px); border-color: var(--line-strong); }
.service:hover::before { transform: scaleX(1); }

.service .idx {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--ink-faint);
  display: block;
  margin-bottom: 40px;
}

.service h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.3rem;
  margin-bottom: 12px;
}

.service p { font-size: 0.94rem; color: var(--ink-dim); }

.service .tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 20px;
}
.service .tags span {
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--ink-faint);
}

/* ---- approach ---- */
.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--card);
}

.step {
  padding: 34px 28px 38px;
  border-right: 1px solid var(--line);
  transition: background 0.25s ease;
}
.step:last-child { border-right: none; }
.step:hover { background: var(--accent-soft); }

.step .n {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 2.2rem;
  color: var(--accent);
  display: block;
  margin-bottom: 18px;
}

.step h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.12rem;
  margin-bottom: 10px;
}

.step p { font-size: 0.9rem; color: var(--ink-dim); }

/* ---- about ---- */
.about-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
  gap: clamp(32px, 6vw, 80px);
  align-items: start;
}

.about-copy p {
  font-size: clamp(1.05rem, 1.6vw, 1.3rem);
  line-height: 1.55;
  color: var(--ink-dim);
  margin-bottom: 22px;
}
.about-copy p strong { color: var(--ink); font-weight: 600; }

.about-facts { display: grid; gap: 14px; }

.fact {
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 20px 22px;
  background: var(--card);
}
.fact h4 {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.fact h4::before { content: "◆"; font-size: 0.55rem; color: var(--accent); }
.fact p { font-size: 0.88rem; color: var(--ink-dim); }

/* ---- in development strip ---- */
.wip {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--bg-raise);
  padding: 26px 0;
}

.wip-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
  text-align: center;
}

.wip-dot {
  position: relative;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
}
.wip-dot::before {
  content: "";
  position: absolute;
  inset: -6px;
  border-radius: 50%;
  border: 1px solid var(--accent);
  animation: ping 2.6s cubic-bezier(0, 0, 0.2, 1) infinite;
}

@keyframes ping {
  0% { transform: scale(0.35); opacity: 0.8; }
  75%, 100% { transform: scale(1.6); opacity: 0; }
}

.wip-line {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(0.98rem, 1.8vw, 1.18rem);
  color: var(--ink-dim);
}
.wip-line strong { color: var(--ink); font-weight: 600; }

/* ---- contact ---- */
.contact {
  border-top: 1px solid var(--line);
  background:
    radial-gradient(ellipse 60% 80% at 50% 110%, rgba(255, 90, 31, 0.12) 0%, transparent 70%),
    var(--bg-raise);
}

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(36px, 5vw, 72px);
  align-items: start;
}

.contact-info h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.7rem, 3.2vw, 2.4rem);
  line-height: 1.12;
  letter-spacing: -0.015em;
  margin-bottom: 16px;
}

.contact-info .sub {
  color: var(--ink-dim);
  font-size: 1.02rem;
  max-width: 30em;
  margin-bottom: 34px;
}

.mail-link {
  display: inline-block;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.25rem, 2.4vw, 1.7rem);
  color: var(--accent);
  border-bottom: 2px solid transparent;
  transition: border-color 0.2s;
  margin-bottom: 34px;
}
.mail-link:hover { border-color: var(--accent); }

.address-card {
  display: inline-block;
  font-size: 0.9rem;
  color: var(--ink-faint);
  line-height: 1.7;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 18px 28px;
  background: var(--card);
}
.address-card strong { color: var(--ink-dim); font-weight: 600; }

/* ---- contact form ---- */
.contact-form {
  display: grid;
  gap: 18px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: clamp(22px, 3.4vw, 38px);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.35);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.field { display: grid; gap: 8px; }

.field label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--ink-dim);
}

.field label .opt {
  color: var(--ink-faint);
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: none;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--ink);
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px 14px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.field input::placeholder,
.field textarea::placeholder { color: var(--ink-faint); opacity: 1; }

.field input:hover,
.field select:hover,
.field textarea:hover { border-color: var(--line-strong); }

.field input:focus,
.field select:focus,
.field textarea:focus,
.field input:focus-visible,
.field select:focus-visible,
.field textarea:focus-visible {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.field select {
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' fill='none'%3E%3Cpath d='M1 1.5l5 5 5-5' stroke='%23b5aea2' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 40px;
  cursor: pointer;
}

.field textarea { resize: vertical; min-height: 132px; }

input:-webkit-autofill,
input:-webkit-autofill:hover,
input:-webkit-autofill:focus {
  -webkit-text-fill-color: var(--ink);
  -webkit-box-shadow: 0 0 0 1000px var(--bg) inset;
  caret-color: var(--ink);
}

.form-foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 22px;
  margin-top: 6px;
}

.form-note {
  flex: 1;
  min-width: 230px;
  font-size: 0.82rem;
  line-height: 1.55;
  color: var(--ink-faint);
}
.form-note a {
  color: var(--ink-dim);
  border-bottom: 1px solid var(--line-strong);
  transition: color 0.2s, border-color 0.2s;
}
.form-note a:hover { color: var(--accent); border-color: var(--accent); }

/* ============ footer ============ */
.site-footer {
  border-top: 1px solid var(--line);
  padding: 34px 0;
  font-size: 0.85rem;
  color: var(--ink-faint);
}

.site-footer .wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 30px;
  align-items: center;
  justify-content: space-between;
}

.footer-links { display: flex; gap: 22px; }
.footer-links a { transition: color 0.2s; }
.footer-links a:hover { color: var(--accent); }

/* ============ scroll reveal ============ */
.reveal { opacity: 0; transform: translateY(30px); transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.22, 1, 0.36, 1); }
.reveal.in { opacity: 1; transform: translateY(0); }

@media (prefers-reduced-motion: reduce) {
  .rise, .reveal { opacity: 1 !important; transform: none !important; animation: none !important; }
  .phone { animation: none; }
  .marquee-track { animation: none; }
  .wip-dot::before { animation: none; opacity: 0.4; }
}

/* ============ legal page ============ */
.legal { max-width: 760px; margin: 0 auto; padding: clamp(60px, 8vw, 100px) var(--pad); }
.legal h1 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(2.2rem, 4.5vw, 3.2rem);
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}
.legal .updated { color: var(--ink-faint); font-size: 0.9rem; margin-bottom: 46px; }
.legal h2 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.35rem;
  margin: 42px 0 14px;
}
.legal p, .legal li { color: var(--ink-dim); font-size: 0.98rem; margin-bottom: 14px; }
.legal ul { padding-left: 22px; }
.legal li { margin-bottom: 8px; }
.legal a { color: var(--accent); }
.legal a:hover { text-decoration: underline; }

/* ============ responsive ============ */
@media (max-width: 900px) {
  .site-nav { gap: 20px; font-size: 0.88rem; }
  .hero .wrap { grid-template-columns: 1fr; }
  .phone-stage { order: -1; margin-bottom: 10px; }
  .phone { width: min(230px, 60vw); }
  .about-grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr 1fr; }
  .step:nth-child(2n) { border-right: none; }
  .step:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 620px) {
  .site-nav { display: none; }
  .steps { grid-template-columns: 1fr; }
  .step { border-right: none !important; border-bottom: 1px solid var(--line); }
  .step:last-child { border-bottom: none; }
  .section-head { flex-wrap: wrap; }
  .form-row { grid-template-columns: 1fr; }
  .form-foot { align-items: flex-start; }
  .mail-link { overflow-wrap: anywhere; }
}