/*
 * ============================================================================
 * Meru Technologies Website
 * meru-technologies.com
 *
 * Copyright (c) 2026 Meru Technologies LLC.
 * All Rights Reserved.
 * ============================================================================
 *
 * Author: V.Bandarupalli
 * Date: 2026-07-22
 */

/* Fonts are self-hosted (SIL OFL faces, latin subsets) so no third-party
   stylesheet blocks first paint; the two files are preloaded from <head>.
   Inter is a variable font: one file covers the 400/500/600 weights. */
@font-face {
  font-family: 'Marcellus';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('/assets/fonts/marcellus-400-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 400 600;
  font-display: swap;
  src: url('/assets/fonts/inter-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

/* Theme = data: the "Gold · Dark" token set from the Meru Trading
   Workspace, applied as CSS custom properties. Components reference tokens
   only, never raw colors. */
:root {
  --meru-canvas: #0c0a07;
  --meru-canvas-deep: #060504;
  --meru-card: #15120d;
  --meru-card-2: #1e1a13;
  --meru-line: #2e2818;
  --meru-ink: #f3eedf;
  --meru-ink-muted: #a79d85;
  --meru-accent: #d9ae4f;
  --meru-accent-bright: #eccb7d;
  --meru-accent-deep: #a87e22;
  --meru-accent-contrast: #1c1505;
  --meru-accent-soft: rgba(217, 174, 79, 0.14);
  --meru-positive: #57b583;
  --meru-negative: #e25a52;

  --font-display: 'Marcellus', 'Palatino', 'Times New Roman', serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto,
    'Helvetica Neue', Arial, sans-serif;

  --radius: 14px;
  --radius-lg: 22px;
  --maxw: 1160px;
  --shadow-card: 0 18px 50px rgba(0, 0, 0, 0.45);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--meru-canvas);
  color: var(--meru-ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

a {
  color: var(--meru-accent);
  text-decoration: none;
}

a:hover {
  color: var(--meru-accent-bright);
}

h1,
h2,
h3,
h4 {
  font-family: var(--font-display);
  font-weight: 400;
  letter-spacing: 0.02em;
  line-height: 1.18;
  margin: 0 0 0.5em;
}

h1 {
  font-size: clamp(2.3rem, 5vw, 3.6rem);
}

h2 {
  font-size: clamp(1.7rem, 3.4vw, 2.4rem);
}

h3 {
  font-size: 1.25rem;
}

p {
  margin: 0 0 1em;
}

.container {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------------------------------------------------------------- header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(6, 5, 4, 0.86);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--meru-line);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  height: 72px;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--meru-ink);
}

.nav-brand img {
  height: 40px;
  width: 40px;
  border-radius: 10px;
  background: #000;
  object-fit: cover;
}

.nav-brand .brand-name {
  font-family: var(--font-display);
  font-size: 1.12rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  white-space: nowrap;
}

.nav-brand .brand-name span {
  color: var(--meru-accent);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 12px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  color: var(--meru-ink-muted);
  font-size: 0.95rem;
  letter-spacing: 0.03em;
  padding: 6px 2px;
  border-bottom: 2px solid transparent;
  white-space: nowrap;
}

.nav-links a:hover {
  color: var(--meru-ink);
}

.nav-links a.active {
  color: var(--meru-accent);
  border-bottom-color: var(--meru-accent);
}

.nav-cta {
  white-space: nowrap;
  padding: 9px 16px;
  font-size: 0.86rem;
}

/* The dropdown's own "Get started", for the narrow widths where the
   header has no room for it beside the brand. */
.nav-cta-row {
  display: none;
}
.nav-cta-row .btn {
  display: block;
  text-align: center;
  margin-bottom: 6px;
  /* The dropdown restyles `.nav-links a`; the button keeps its own
     dark-on-gold contrast rather than inheriting the muted link colour. */
  color: var(--meru-accent-contrast);
  padding: 12px 18px;
}

/* Launch (2026-09-03): the nav CTA is now "Get started", which opens the
   app's sign-up form. "Watch Demo" moved into the nav links beside it —
   two buttons did not fit the 1160px container, and one primary action
   reads better than two competing ones. */

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--meru-line);
  border-radius: 10px;
  color: var(--meru-ink);
  font-size: 1.3rem;
  line-height: 1;
  padding: 8px 12px;
  cursor: pointer;
}

/* ---------------------------------------------------------------- buttons */
.btn {
  display: inline-block;
  border-radius: 999px;
  padding: 12px 28px;
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}

.btn-primary {
  background: linear-gradient(135deg, var(--meru-accent-bright), var(--meru-accent) 45%, var(--meru-accent-deep));
  color: var(--meru-accent-contrast);
  box-shadow: 0 8px 26px rgba(217, 174, 79, 0.28);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 12px 32px rgba(217, 174, 79, 0.4);
  color: var(--meru-accent-contrast);
}

.btn-ghost {
  border-color: var(--meru-line);
  color: var(--meru-ink);
  background: transparent;
}

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

/* ------------------------------------------------------------------ hero */
.hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(1100px 480px at 50% -12%, rgba(217, 174, 79, 0.16), transparent 65%),
    linear-gradient(180deg, var(--meru-canvas-deep) 0%, var(--meru-canvas) 100%);
  border-bottom: 1px solid var(--meru-line);
  text-align: center;
  padding: 92px 0 84px;
}

.hero .eyebrow {
  display: inline-block;
  border: 1px solid var(--meru-line);
  background: var(--meru-accent-soft);
  color: var(--meru-accent);
  border-radius: 999px;
  padding: 6px 18px;
  font-size: 0.8rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  margin-bottom: 26px;
}

.hero h1 {
  max-width: 840px;
  margin-left: auto;
  margin-right: auto;
}

.hero h1 em {
  font-style: normal;
  color: var(--meru-accent);
}

.hero .lead {
  max-width: 660px;
  margin: 18px auto 36px;
  color: var(--meru-ink-muted);
  font-size: 1.13rem;
}

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.hero-logo {
  width: 176px;
  height: 176px;
  margin: 0 auto 30px;
  border-radius: 28px;
  background: #000;
  border: 1px solid var(--meru-line);
  box-shadow: var(--shadow-card);
  object-fit: cover;
}

/* -------------------------------------------------------------- sections */
.section {
  padding: 88px 0;
}

.section.alt {
  background: var(--meru-canvas-deep);
  border-top: 1px solid var(--meru-line);
  border-bottom: 1px solid var(--meru-line);
}

.section-head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 54px;
}

.section-head .kicker {
  color: var(--meru-accent);
  font-size: 0.8rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.section-head p {
  color: var(--meru-ink-muted);
}

/* ----------------------------------------------------------------- cards */
.grid {
  display: grid;
  gap: 22px;
}

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

.grid-2 {
  grid-template-columns: repeat(2, 1fr);
}

.card {
  background: var(--meru-card);
  border: 1px solid var(--meru-line);
  border-radius: var(--radius);
  padding: 30px 28px;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.card:hover {
  border-color: rgba(217, 174, 79, 0.45);
  transform: translateY(-3px);
}

.card .icon {
  width: 46px;
  height: 46px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: var(--meru-accent-soft);
  color: var(--meru-accent);
  font-size: 1.3rem;
  margin-bottom: 18px;
}

.card h3 {
  margin-bottom: 8px;
}

.card p {
  color: var(--meru-ink-muted);
  font-size: 0.95rem;
  margin: 0;
}

.card .tag {
  display: inline-block;
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--meru-accent);
  background: var(--meru-accent-soft);
  border-radius: 999px;
  padding: 4px 12px;
  margin-bottom: 14px;
}

.card .tag.soon {
  color: var(--meru-ink-muted);
  background: var(--meru-card-2);
}

/* --------------------------------------------------------- product banner */
.product-banner {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 48px;
  align-items: center;
  background: linear-gradient(150deg, var(--meru-card) 0%, var(--meru-card-2) 100%);
  border: 1px solid var(--meru-line);
  border-radius: var(--radius-lg);
  padding: 54px;
  box-shadow: var(--shadow-card);
}

.product-banner .visual {
  background: #000;
  border: 1px solid var(--meru-line);
  border-radius: var(--radius);
  overflow: hidden;
}

.product-banner .visual img {
  width: 100%;
  object-fit: cover;
}

.product-banner .kicker {
  color: var(--meru-accent);
  font-size: 0.8rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.product-banner p {
  color: var(--meru-ink-muted);
}

.check-list {
  list-style: none;
  padding: 0;
  margin: 22px 0 30px;
  display: grid;
  gap: 10px;
}

.check-list li {
  padding-left: 30px;
  position: relative;
  color: var(--meru-ink);
  font-size: 0.98rem;
}

.check-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--meru-accent);
  font-weight: 700;
}

/* ------------------------------------------------------------- stats bar */
.stat-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
  text-align: center;
}

.stat-strip .stat {
  border: 1px solid var(--meru-line);
  border-radius: var(--radius);
  background: var(--meru-card);
  padding: 26px 16px;
}

.stat-strip .stat .value {
  font-family: var(--font-display);
  font-size: 1.7rem;
  color: var(--meru-accent);
}

.stat-strip .stat .label {
  color: var(--meru-ink-muted);
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-top: 6px;
}

/* -------------------------------------------------------------- CTA band */
.cta-band {
  text-align: center;
  background:
    radial-gradient(700px 320px at 50% 120%, rgba(217, 174, 79, 0.18), transparent 70%),
    var(--meru-canvas-deep);
  border-top: 1px solid var(--meru-line);
  padding: 90px 0;
}

.cta-band p {
  color: var(--meru-ink-muted);
  max-width: 560px;
  margin: 0 auto 32px;
}

/* ------------------------------------------------------------ page intro */
.page-hero {
  text-align: center;
  padding: 74px 0 58px;
  background: linear-gradient(180deg, var(--meru-canvas-deep) 0%, var(--meru-canvas) 100%);
  border-bottom: 1px solid var(--meru-line);
}

.page-hero p {
  max-width: 640px;
  margin: 0 auto;
  color: var(--meru-ink-muted);
  font-size: 1.08rem;
}

/* --------------------------------------------------------------- feature */
.feature-row {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 20px;
  padding: 26px 0;
  border-bottom: 1px solid var(--meru-line);
}

.feature-row:last-child {
  border-bottom: none;
}

.feature-row .icon {
  width: 46px;
  height: 46px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: var(--meru-accent-soft);
  color: var(--meru-accent);
  font-size: 1.25rem;
}

.feature-row h3 {
  margin-bottom: 6px;
}

.feature-row p {
  color: var(--meru-ink-muted);
  margin: 0;
}

.platform-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
}

.platform-pills span {
  border: 1px solid var(--meru-line);
  background: var(--meru-card);
  color: var(--meru-ink);
  border-radius: 999px;
  padding: 10px 22px;
  font-size: 0.92rem;
}

/* --------------------------------------------------------------- contact */
.contact-card {
  max-width: 640px;
  margin: 0 auto;
  background: var(--meru-card);
  border: 1px solid var(--meru-line);
  border-radius: var(--radius-lg);
  padding: 44px;
}

.contact-card label {
  display: block;
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--meru-ink-muted);
  margin: 18px 0 6px;
}

.contact-card input,
.contact-card textarea,
.contact-card select {
  width: 100%;
  background: var(--meru-canvas-deep);
  border: 1px solid var(--meru-line);
  border-radius: 10px;
  color: var(--meru-ink);
  font-family: var(--font-body);
  font-size: 1rem;
  padding: 12px 14px;
}

/* Selects: drop the native chrome so they match the text fields, with a
   small gold caret drawn in (the native arrow ignores our theming). */
.contact-card select {
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%23d9ae4f' stroke-width='2' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 38px;
}

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

.contact-card .btn {
  margin-top: 26px;
}

.contact-direct {
  text-align: center;
  margin-top: 30px;
  color: var(--meru-ink-muted);
}

/* The launch badge, still used (now reading "Now open"). The waitlist
   styles below are unused since 2026-09-03 — no page collects emails
   any more — and are kept only so the markup can come back cheaply. */
.launch-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 18px;
  padding: 7px 15px;
  border: 1px solid var(--meru-accent);
  border-radius: 999px;
  background: var(--meru-accent-soft);
  color: var(--meru-accent);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}
.launch-badge::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--meru-accent);
}

.waitlist {
  max-width: 520px;
  margin: 26px 0 0;
}
.hero .waitlist {
  margin-left: auto;
  margin-right: auto;
}
.waitlist-lead {
  margin: 0 0 12px;
  color: var(--meru-ink-muted);
  font-size: 0.95rem;
}

/* Launch (2026-09-03): the line under the hero lead where the waitlist
   form used to sit. The heroes now send people straight to sign-up. */
.hero-note {
  max-width: 640px;
  margin: 0 auto 26px;
  color: var(--meru-ink-muted);
  font-size: 0.95rem;
}
.waitlist-form {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.waitlist-form input[type="email"] {
  flex: 1 1 240px;
  min-width: 0;
  background: var(--meru-canvas-deep);
  border: 1px solid var(--meru-line);
  border-radius: 10px;
  color: var(--meru-ink);
  font-family: var(--font-body);
  font-size: 1rem;
  padding: 12px 14px;
}
.waitlist-form input[type="email"]:focus {
  outline: none;
  border-color: var(--meru-accent);
  box-shadow: 0 0 0 3px var(--meru-accent-soft);
}
.waitlist-form .btn {
  flex: 0 0 auto;
}
.waitlist-status {
  margin: 12px 0 0;
  font-size: 0.9rem;
  min-height: 1.1em;
}

/* Breathing room between the waitlist and the secondary hero buttons. */
.waitlist + .hero-actions {
  margin-top: 30px;
}

/* ----------------------------------------------------------------- legal */
.legal {
  max-width: 820px;
  margin: 0 auto;
  padding: 64px 24px 88px;
}

.legal h2 {
  font-size: 1.35rem;
  margin-top: 2.2em;
}

.legal p,
.legal li {
  color: var(--meru-ink-muted);
}

.legal .updated {
  font-size: 0.88rem;
  color: var(--meru-ink-muted);
  margin-bottom: 2em;
}

/* ---------------------------------------------------------------- footer */
.site-footer {
  background: var(--meru-canvas-deep);
  border-top: 1px solid var(--meru-line);
  padding: 60px 0 34px;
  font-size: 0.92rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 36px;
  margin-bottom: 44px;
}

.footer-grid h4 {
  font-size: 0.85rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--meru-ink);
  margin-bottom: 16px;
}

.footer-grid ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.footer-grid a {
  color: var(--meru-ink-muted);
}

.footer-grid a:hover {
  color: var(--meru-accent);
}

.footer-brand img {
  height: 46px;
  width: 46px;
  border-radius: 10px;
  background: #000;
  margin-bottom: 14px;
}

.footer-brand p {
  color: var(--meru-ink-muted);
  max-width: 300px;
}

.footer-disclaimer {
  border-top: 1px solid var(--meru-line);
  padding-top: 26px;
  color: var(--meru-ink-muted);
  font-size: 0.8rem;
  line-height: 1.7;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
  color: var(--meru-ink-muted);
  font-size: 0.82rem;
}

/* ---------------------------------------------------------------- reveal */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* ------------------------------------------------------------ responsive */
@media (max-width: 960px) {
  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }

  .stat-strip {
    grid-template-columns: repeat(2, 1fr);
  }

  .product-banner {
    grid-template-columns: 1fr;
    padding: 36px 28px;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 1260px) {
  .nav-links {
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--meru-canvas-deep);
    border-bottom: 1px solid var(--meru-line);
    padding: 12px 24px 20px;
    display: none;
  }

  .nav-links.open {
    display: flex;
  }

  /* Dropdown rows carry no underlines at all. Lines between wrapped
     rows read as misplaced link underlines. The active page is marked
     by the gold left bar and wash instead. */
  .nav-links a {
    display: block;
    padding: 13px 8px;
    border-bottom: none;
    border-radius: 10px;
  }

  .nav-links a.active {
    border-bottom: none;
    border-left: 3px solid var(--meru-accent);
    border-radius: 0 10px 10px 0;
    padding-left: 12px;
    background: var(--meru-accent-soft);
  }

  .nav-toggle {
    display: block;
  }

  /* The CTA used to disappear entirely under this breakpoint. Now that
     it is the way into the app, it stays — compact, beside the menu
     button. "Watch Demo" is in the dropdown with the other links. */
  .nav-cta {
    display: inline-flex;
    margin-right: 10px;
    padding: 8px 14px;
    font-size: 0.85rem;
  }
}

/* Phone widths: the brand lockup, a CTA, and the menu button will not
   share one row without clipping the brand, so the CTA leads the
   dropdown instead of sitting in the header. */
@media (max-width: 680px) {
  .nav-cta {
    display: none;
  }

  .nav-cta-row {
    display: block;
  }
}

@media (max-width: 680px) {
  .nav-brand .brand-name {
    font-size: 0.92rem;
    letter-spacing: 0.08em;
    white-space: nowrap;
  }

  .nav-brand img {
    height: 34px;
    width: 34px;
  }

  .grid-3,
  .grid-2 {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }
}
