/* ==========================================================================
   Voxvick — base styles
   ========================================================================== */

:root {
  --ink: #0B0E14;
  --ink-soft: #151926;
  --paper: #F7F7FA;
  --paper-alt: #EFEFF5;
  --card: #FFFFFF;
  --text: #14161C;
  --text-muted: #585C68;
  --text-on-dark: #F4F4F8;
  --text-on-dark-muted: #A6ABBD;
  --border: #E4E4EC;
  --border-dark: #262B3B;
  --accent: #5B4EFC;
  --accent-dark: #4638E0;
  --accent-soft: #EDEBFF;
  --radius: 14px;
  --radius-sm: 8px;
  --shadow: 0 20px 40px -20px rgba(20, 22, 28, 0.25);
  --max: 1140px;
  --font-head: "Sora", "Segoe UI", sans-serif;
  --font-body: "Inter", "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--text);
  background: var(--paper);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 {
  font-family: var(--font-head);
  line-height: 1.15;
  margin: 0 0 .5em;
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(2.1rem, 4.5vw, 3.4rem); font-weight: 800; }
h2 { font-size: clamp(1.6rem, 3vw, 2.3rem); font-weight: 700; }
h3 { font-size: 1.15rem; font-weight: 700; }

p { margin: 0 0 1em; color: var(--text-muted); }

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

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

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

.eyebrow {
  display: inline-block;
  font-family: var(--font-head);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}

.section-lede {
  max-width: 640px;
  font-size: 1.05rem;
}

/* ---------- buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 13px 26px;
  border-radius: 999px;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease, color .15s ease;
  text-decoration: none;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }

.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 10px 24px -10px rgba(91, 78, 252, 0.55);
}
.btn-primary:hover { background: var(--accent-dark); }

.btn-ghost {
  background: transparent;
  border-color: rgba(255,255,255,0.28);
  color: var(--text-on-dark);
}
.btn-ghost:hover { background: rgba(255,255,255,0.08); }

.text-link { font-family: var(--font-head); font-weight: 600; }

/* ==========================================================================
   Header
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(11, 14, 20, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-dark);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--text-on-dark);
  letter-spacing: -0.01em;
}
.logo:hover { text-decoration: none; opacity: .85; }

.main-nav {
  display: flex;
  align-items: center;
  gap: 32px;
}
.main-nav a {
  color: var(--text-on-dark-muted);
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 0.92rem;
}
.main-nav a:hover { color: var(--text-on-dark); text-decoration: none; }

.nav-cta {
  background: var(--accent);
  color: #fff !important;
  padding: 9px 18px;
  border-radius: 999px;
}
.nav-cta:hover { background: var(--accent-dark); }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: none;
  border: none;
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-on-dark);
  margin: 0 auto;
  transition: transform .2s ease, opacity .2s ease;
}
.nav-toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.is-open span:nth-child(2) { opacity: 0; }
.nav-toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ==========================================================================
   Hero
   ========================================================================== */
.hero {
  background:
    radial-gradient(1200px 600px at 15% -10%, rgba(91,78,252,0.35), transparent 60%),
    radial-gradient(900px 500px at 100% 0%, rgba(91,78,252,0.18), transparent 55%),
    var(--ink);
  color: var(--text-on-dark);
  padding: 110px 0 100px;
}

.hero-inner { max-width: 760px; }

.hero h1 { color: var(--text-on-dark); }

.hero-sub {
  font-size: 1.15rem;
  color: var(--text-on-dark-muted);
  max-width: 620px;
}

.hero-cta {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 34px;
}

/* ==========================================================================
   Problem section
   ========================================================================== */
.problem { padding: 96px 0; }

.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 48px;
}

.problem-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 26px;
}

.problem-number {
  display: block;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 0.85rem;
  color: var(--accent);
  margin-bottom: 14px;
}

.problem-card h3 { margin-bottom: 8px; }
.problem-card p { margin: 0; font-size: 0.95rem; }

.problem-card-accent {
  background: var(--ink);
  border-color: var(--ink);
}
.problem-card-accent h3 { color: var(--text-on-dark); }
.problem-card-accent p { color: var(--text-on-dark-muted); }

/* ==========================================================================
   Services
   ========================================================================== */
.services { padding: 96px 0; background: var(--paper-alt); }

.services-list { margin-top: 48px; }

.service-row {
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 28px;
  padding: 32px 0;
  border-top: 1px solid var(--border);
}
.service-row:last-child { border-bottom: 1px solid var(--border); }

.service-index {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1.6rem;
  color: var(--accent);
}

.service-body h3 { margin-bottom: 8px; }
.service-body p { max-width: 620px; margin: 0; }

/* ==========================================================================
   Process
   ========================================================================== */
.process { padding: 96px 0; }

.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 48px;
}

.process-step {
  padding: 26px 22px;
  border-radius: var(--radius);
  background: var(--card);
  border: 1px solid var(--border);
  position: relative;
}

.process-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent-dark);
  font-family: var(--font-head);
  font-weight: 800;
  margin-bottom: 16px;
}

.process-step p { font-size: 0.92rem; margin: 0; }

/* ==========================================================================
   About
   ========================================================================== */
.about { padding: 96px 0; background: var(--paper-alt); }
.about-inner { max-width: 700px; }
.about p { font-size: 1.02rem; }

/* ==========================================================================
   Contact
   ========================================================================== */
.contact { padding: 96px 0 110px; }
.contact-inner { max-width: 680px; }

.contact-form { margin-top: 36px; }

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

.field { display: flex; flex-direction: column; gap: 6px; }
.field-full { margin-bottom: 18px; }

label {
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--text);
}

input, select, textarea {
  font-family: var(--font-body);
  font-size: 0.98rem;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--text);
  outline: none;
  transition: border-color .15s ease, box-shadow .15s ease;
}

input:focus, select:focus, textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

textarea { resize: vertical; min-height: 100px; }

.form-note {
  margin-top: 14px;
  font-size: 0.9rem;
  color: var(--text-muted);
  min-height: 1.2em;
}
.form-note.is-success { color: #1F9D63; }
.form-note.is-error { color: #D14343; }

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  background: var(--ink);
  color: var(--text-on-dark-muted);
  padding: 44px 0;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
}

.logo-footer { color: var(--text-on-dark); font-size: 1.05rem; }

.footer-nav { display: flex; gap: 24px; flex-wrap: wrap; }
.footer-nav a {
  color: var(--text-on-dark-muted);
  font-size: 0.9rem;
  font-family: var(--font-head);
  font-weight: 600;
}
.footer-nav a:hover { color: var(--text-on-dark); text-decoration: none; }

.footer-copy { width: 100%; font-size: 0.82rem; margin: 0; opacity: 0.7; }

/* ==========================================================================
   Scroll reveal
   ========================================================================== */
[data-reveal] {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity .6s ease, transform .6s ease;
}
[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 900px) {
  .problem-grid { grid-template-columns: repeat(2, 1fr); }
  .process-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 760px) {
  .main-nav {
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--ink-soft);
    flex-direction: column;
    align-items: flex-start;
    padding: 20px 24px 28px;
    gap: 18px;
    border-bottom: 1px solid var(--border-dark);
    display: none;
  }
  .main-nav.is-open { display: flex; }
  .nav-cta { width: 100%; text-align: center; }
  .nav-toggle { display: flex; }

  .hero { padding: 80px 0 70px; }
  .problem, .services, .process, .about, .contact { padding: 64px 0; }

  .problem-grid { grid-template-columns: 1fr; }
  .process-grid { grid-template-columns: 1fr; }
  .service-row { grid-template-columns: 1fr; gap: 10px; }

  .form-row { grid-template-columns: 1fr; }

  .footer-inner { flex-direction: column; align-items: flex-start; }
}