/* ===== Voxley Landing — Global Styles ===== */

:root {
  --color-bg:       #0a0e1a;
  --color-surface:  #111827;
  --color-border:   #1e2a3a;
  --color-accent:   #00d4ff;
  --color-accent2:  #0088cc;
  --color-text:     #e8edf5;
  --color-muted:    #7a8fa6;
  --color-cta:      #00d4ff;
  --color-cta-text: #0a0e1a;
}

/* ===== Reset & Base ===== */

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: 'Inter', sans-serif;
  font-weight: 400;
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Inter', sans-serif;
  font-weight: 700;
  line-height: 1.2;
}

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color .2s;
}
a:hover {
  color: #33dfff;
}

img {
  max-width: 100%;
  height: auto;
}

/* ===== Navbar ===== */

.navbar-voxley {
  background: rgba(17, 24, 39, .92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  padding: .75rem 0;
  transition: background .3s;
}

.navbar-voxley .navbar-brand {
  font-family: 'Inter', sans-serif;
  font-weight: 800;
  font-size: 1.5rem;
  color: var(--color-accent);
  letter-spacing: -0.02em;
}
.navbar-voxley .navbar-brand:hover {
  color: #33dfff;
}

.navbar-voxley .nav-link {
  color: var(--color-muted);
  font-weight: 500;
  font-size: .95rem;
  padding: .5rem 1rem !important;
  transition: color .2s;
}
.navbar-voxley .nav-link:hover,
.navbar-voxley .nav-link:focus {
  color: var(--color-text);
}

.navbar-toggler {
  border-color: var(--color-border);
}
.navbar-toggler-icon {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='%237a8fa6' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* Language switcher */
.lang-switcher {
  display: flex;
  gap: .35rem;
  align-items: center;
  margin-left: 1rem;
}

.lang-btn {
  display: inline-block;
  padding: .25rem .55rem;
  font-size: .8rem;
  font-weight: 600;
  color: var(--color-muted);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  text-decoration: none;
  transition: all .2s;
  line-height: 1;
}
.lang-btn:hover {
  color: var(--color-text);
  border-color: var(--color-accent);
}
.lang-btn.active {
  color: var(--color-cta-text);
  background: var(--color-accent);
  border-color: var(--color-accent);
}

/* ===== Hero ===== */

.hero {
  position: relative;
  overflow: hidden;
  padding: 7rem 0 5rem;
  min-height: 80vh;
  display: flex;
  align-items: center;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 20% 40%, rgba(0,212,255,.08) 0%, transparent 60%),
    radial-gradient(ellipse 60% 50% at 80% 30%, rgba(0,136,204,.06) 0%, transparent 60%);
  pointer-events: none;
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 800;
  margin-bottom: 1.25rem;
  letter-spacing: -0.02em;
}
.hero-title span {
  color: var(--color-accent);
}

.hero-subtitle {
  font-size: clamp(1.1rem, 2.5vw, 1.35rem);
  color: var(--color-muted);
  max-width: 560px;
  margin-bottom: 2.5rem;
}

.btn-cta {
  display: inline-block;
  padding: .9rem 2.4rem;
  font-family: 'Inter', sans-serif;
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--color-cta-text);
  background: var(--color-cta);
  border: none;
  border-radius: 8px;
  text-decoration: none;
  transition: box-shadow .3s, transform .2s;
}
.btn-cta:hover {
  color: var(--color-cta-text);
  box-shadow: 0 0 24px rgba(0,212,255,.45);
  transform: translateY(-2px);
}
.btn-cta:active {
  transform: translateY(0);
}

.hero-sub-cta {
  display: block;
  margin-top: 1rem;
  font-size: .9rem;
  color: var(--color-muted);
}

/* Hero illustration */
.hero-illustration {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding: 1.5rem;
}

.chat-bubble {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 1rem 1.25rem;
  max-width: 280px;
  font-size: .9rem;
  position: relative;
}

.chat-bubble.client {
  align-self: flex-start;
  border-left: 3px solid var(--color-accent);
}

.chat-bubble.operator {
  align-self: flex-end;
  border-right: 3px solid var(--color-accent2);
}

.chat-bubble .label {
  font-size: .7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .06em;
  margin-bottom: .35rem;
  color: var(--color-accent);
}

.chat-bubble.operator .label {
  color: var(--color-accent2);
  text-align: right;
}

.chat-arrow {
  text-align: center;
  color: var(--color-muted);
  font-size: 1.5rem;
}

/* ===== Section commons ===== */

.section-title {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  margin-bottom: .75rem;
  text-align: center;
}

.section-subtitle {
  color: var(--color-muted);
  text-align: center;
  max-width: 600px;
  margin: 0 auto 3rem;
  font-size: 1.05rem;
}

section {
  padding: 5rem 0;
}

/* ===== How It Works ===== */

.how-section {
  background: var(--color-bg);
}

.step-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 16px;
  padding: 2rem 1.5rem;
  text-align: center;
  height: 100%;
  transition: border-color .3s, transform .3s;
}
.step-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-4px);
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: rgba(0,212,255,.1);
  color: var(--color-accent);
  font-family: 'Inter', sans-serif;
  font-weight: 800;
  font-size: 1.3rem;
  margin-bottom: 1.25rem;
}

.step-card h3 {
  font-size: 1.2rem;
  margin-bottom: .75rem;
}

.step-card p {
  color: var(--color-muted);
  font-size: .95rem;
  margin: 0;
}

.step-icon {
  font-size: 1.5rem;
  color: var(--color-accent);
  margin-bottom: 1rem;
}

/* ===== FAQ ===== */

.faq-section {
  background: var(--color-surface);
}

.accordion-item {
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: 12px !important;
  margin-bottom: .75rem;
  overflow: hidden;
}

.accordion-button {
  background: rgba(17,24,39,.6);
  color: var(--color-text);
  font-weight: 600;
  font-size: 1.05rem;
  padding: 1.15rem 1.5rem;
  box-shadow: none !important;
}

.accordion-button::after {
  filter: invert(70%) sepia(20%) saturate(300%) hue-rotate(180deg);
}

.accordion-button:not(.collapsed) {
  background: rgba(0,212,255,.06);
  color: var(--color-accent);
}

.accordion-body {
  background: transparent;
  color: var(--color-muted);
  font-size: .95rem;
  padding: 1rem 1.5rem 1.25rem;
  line-height: 1.7;
}

/* ===== Footer ===== */

.footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding: 2.5rem 0;
  text-align: center;
}

.footer-brand {
  font-family: 'Inter', sans-serif;
  font-weight: 800;
  font-size: 1.3rem;
  color: var(--color-accent);
}

.footer-slogan {
  color: var(--color-muted);
  font-size: .85rem;
  margin: .25rem 0 1rem;
}

.footer-links a {
  color: var(--color-muted);
  font-size: .9rem;
  margin: 0 .75rem;
  transition: color .2s;
}
.footer-links a:hover {
  color: var(--color-accent);
}

.footer-copy {
  color: var(--color-muted);
  font-size: .8rem;
  margin-top: 1rem;
  opacity: .7;
}

/* ===== Utilities ===== */

.text-accent {
  color: var(--color-accent);
}

/* ===== Responsive ===== */

@media (max-width: 767.98px) {
  .hero {
    padding: 5rem 0 3rem;
    min-height: auto;
  }

  .hero-illustration {
    margin-top: 2.5rem;
  }

  .chat-bubble {
    max-width: 100%;
  }

  .lang-switcher {
    margin-left: 0;
    margin-top: .5rem;
  }

  section {
    padding: 3.5rem 0;
  }
}