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

:root {
  --white: #ffffff;
  --off-white: rgba(255,255,255,0.85);
  --muted: rgba(255,255,255,0.55);
  --accent: #7b8fff;
  --accent-2: #a78bfa;
  --bg-dark: #0a0a0f;
  --glass: rgba(255,255,255,0.06);
  --glass-border: rgba(255,255,255,0.1);
  --radius: 16px;
  --radius-sm: 10px;
  --max-w: 1100px;
  --section-pad: 120px 24px;
  --font-body: 'Open Sans', sans-serif;
  --font-head: 'Roboto', sans-serif;
}

html { font-size: 16px; scroll-behavior: smooth; }

body {
  background: var(--bg-dark);
  color: var(--white);
  font-family: var(--font-body);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

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

/* ─── LANGUAGE OVERLAY ─── */
#lang-overlay {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(10,10,15,0.96);
  backdrop-filter: blur(12px);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.3s;
}

#lang-modal {
  text-align: center;
  padding: 24px;
}

#lang-logo {
  height: 40px;
  margin-bottom: 40px;
  opacity: 0.9;
}

#lang-prompt {
  font-size: 1rem;
  color: var(--muted);
  margin-bottom: 32px;
  letter-spacing: 0.02em;
}

#lang-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
}

.lang-btn {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  color: var(--white);
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  padding: 16px 48px;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s, transform 0.2s;
  letter-spacing: 0.02em;
}

.lang-btn:hover {
  background: rgba(255,255,255,0.12);
  border-color: rgba(255,255,255,0.3);
  transform: translateY(-2px);
}

/* ─── NAV ─── */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 48px;
  height: 72px;
  background: rgba(10,10,15,0.7);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--glass-border);
}

nav .logo img { height: 32px; }

nav ul {
  display: flex;
  gap: 36px;
  list-style: none;
}

nav ul a {
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--muted);
  transition: color 0.2s;
}

nav ul a:hover { color: var(--white); }

.nav-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

#lang-switch {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  color: var(--muted);
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  padding: 6px 14px;
  border-radius: 50px;
  cursor: pointer;
  transition: color 0.2s, border-color 0.2s;
}

#lang-switch:hover {
  color: var(--white);
  border-color: rgba(255,255,255,0.3);
}

nav .nav-cta {
  background: var(--white);
  color: #0a0a0f;
  padding: 10px 24px;
  border-radius: 50px;
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  transition: opacity 0.2s;
}

nav .nav-cta:hover { opacity: 0.85; }

/* ─── VIDEO SECTION BASE ─── */
.video-section {
  position: relative;
  overflow: hidden;
}

.video-section video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}

.video-section .overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
}

.video-section .content {
  position: relative;
  z-index: 2;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: var(--section-pad);
}

/* ─── HERO ─── */
#hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

#hero .overlay {
  background: linear-gradient(135deg, rgba(0,0,0,0.65) 0%, rgba(0,0,0,0.3) 100%);
}

#hero .content {
  padding-top: 140px;
  padding-bottom: 100px;
  max-width: 720px;
  margin: 0 auto 0 calc((100% - var(--max-w)) / 2);
  padding-left: 24px;
  padding-right: 24px;
}

.hero-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  background: rgba(123,143,255,0.12);
  border: 1px solid rgba(123,143,255,0.3);
  padding: 6px 16px;
  border-radius: 50px;
  margin-bottom: 28px;
}

#hero h1 {
  font-family: var(--font-head);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
}

#hero p {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--off-white);
  line-height: 1.7;
  max-width: 560px;
  margin-bottom: 40px;
}

.btn-primary {
  display: inline-block;
  background: var(--white);
  color: var(--bg-dark);
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 16px 40px;
  border-radius: 50px;
  transition: transform 0.2s, box-shadow 0.2s;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(255,255,255,0.2);
}

/* ─── DEMO VIDEO ─── */
#demo {
  background: linear-gradient(to bottom, #111118, #0a0a0f);
  padding: var(--section-pad);
}

#demo .inner {
  max-width: var(--max-w);
  margin: 0 auto;
  text-align: center;
}

#demo p {
  color: var(--muted);
  font-size: 1rem;
  margin-bottom: 40px;
  letter-spacing: 0.01em;
}

.video-wrapper {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  background: #000;
  box-shadow: 0 32px 80px rgba(0,0,0,0.6);
}

.video-wrapper video {
  width: 100%;
  display: block;
}

/* ─── SECTION LABEL ─── */
.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}

/* ─── FEATURES ─── */
#features {
  padding: var(--section-pad);
  background: linear-gradient(180deg, #0a0a0f 0%, #0e0e1a 100%);
}

#features .inner {
  max-width: var(--max-w);
  margin: 0 auto;
  text-align: center;
}

#features h2 {
  font-family: var(--font-head);
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 64px;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  text-align: left;
}

.feature-card {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  padding: 36px 32px;
  transition: border-color 0.2s, transform 0.2s;
}

.feature-card:hover {
  border-color: rgba(123,143,255,0.3);
  transform: translateY(-4px);
}

.feature-icon {
  font-size: 1.75rem;
  margin-bottom: 16px;
}

.feature-card h3 {
  font-family: var(--font-head);
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--white);
}

.feature-card p {
  font-size: 0.9rem;
  color: var(--muted);
  line-height: 1.65;
}

/* ─── INTEGRATION ─── */
#integration {
  padding: var(--section-pad);
  background: #0e0e1a;
}

#integration .inner {
  max-width: var(--max-w);
  margin: 0 auto;
  text-align: center;
}

#integration h2 {
  font-family: var(--font-head);
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 64px;
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.step {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  padding: 40px 32px;
}

.step-num {
  font-size: 3rem;
  font-weight: 800;
  font-family: var(--font-head);
  color: var(--accent);
  line-height: 1;
  margin-bottom: 20px;
  opacity: 0.7;
}

.step p {
  font-size: 1rem;
  color: var(--off-white);
  line-height: 1.65;
}

/* ─── FOR WHO ─── */
#for-who {
  padding: var(--section-pad);
  background: linear-gradient(180deg, #0e0e1a 0%, #0a0a0f 100%);
}

#for-who .inner {
  max-width: var(--max-w);
  margin: 0 auto;
  text-align: center;
}

#for-who h2 {
  font-family: var(--font-head);
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

#for-who .subtitle {
  color: var(--muted);
  font-size: 1.125rem;
  margin-bottom: 56px;
}

.business-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.business-pill {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  padding: 20px 24px;
  font-size: 1.05rem;
  color: var(--off-white);
  transition: border-color 0.2s;
}

.business-pill:hover { border-color: rgba(167,139,250,0.4); }

/* ─── TESTIMONIALS ─── */
#testimonials {
  padding: var(--section-pad);
  background: #0a0a0f;
}

#testimonials .inner {
  max-width: var(--max-w);
  margin: 0 auto;
  text-align: center;
}

#testimonials h2 {
  font-family: var(--font-head);
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 64px;
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  text-align: left;
}

.testimonial-card {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  padding: 36px 32px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.testimonial-card blockquote {
  font-size: 0.975rem;
  color: var(--off-white);
  line-height: 1.75;
  font-style: italic;
  flex: 1;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 14px;
}

.testimonial-author img {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--glass-border);
}

.testimonial-author .name {
  font-weight: 700;
  font-size: 0.875rem;
  color: var(--white);
}

.testimonial-author .role {
  font-size: 0.8rem;
  color: var(--muted);
}

/* ─── TEAM ─── */
#team {
  position: relative;
  overflow: hidden;
  padding: var(--section-pad);
}

#team video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}

#team .overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.72);
  z-index: 1;
}

#team .inner {
  position: relative;
  z-index: 2;
  max-width: var(--max-w);
  margin: 0 auto;
  text-align: center;
}

#team h2 {
  font-family: var(--font-head);
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 64px;
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
}

.team-card {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius);
  padding: 28px 16px;
}

.team-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  object-fit: cover;
  margin: 0 auto 16px;
  display: block;
  border: 2px solid rgba(255,255,255,0.15);
}

.team-card h4 {
  font-size: 0.9rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.team-card .role {
  font-size: 0.775rem;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 10px;
}

.team-card p {
  font-size: 0.775rem;
  color: var(--muted);
  line-height: 1.6;
}

/* ─── CONTACT ─── */
#contact {
  position: relative;
  overflow: hidden;
  padding: var(--section-pad);
}

#contact video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}

#contact .overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.78);
  z-index: 1;
}

#contact .inner {
  position: relative;
  z-index: 2;
  max-width: 640px;
  margin: 0 auto;
  text-align: center;
}

#contact h2 {
  font-family: var(--font-head);
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}

#contact .sub {
  color: var(--muted);
  font-size: 1rem;
  margin-bottom: 48px;
}

form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  text-align: left;
}

form .full { grid-column: 1 / -1; }

label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--muted);
  margin-bottom: 8px;
  text-transform: uppercase;
}

input, textarea {
  width: 100%;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-sm);
  color: var(--white);
  font-family: var(--font-body);
  font-size: 0.95rem;
  padding: 14px 18px;
  outline: none;
  transition: border-color 0.2s;
}

input::placeholder, textarea::placeholder { color: rgba(255,255,255,0.3); }

input:focus, textarea:focus {
  border-color: rgba(123,143,255,0.5);
}

textarea { resize: vertical; min-height: 120px; }

.form-submit {
  grid-column: 1 / -1;
  text-align: center;
  margin-top: 8px;
}

.btn-submit {
  background: var(--white);
  color: var(--bg-dark);
  border: none;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 16px 48px;
  border-radius: 50px;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
}

.btn-submit:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(255,255,255,0.2);
}

.form-message {
  grid-column: 1 / -1;
  text-align: center;
  font-size: 0.9rem;
  padding: 12px;
  border-radius: var(--radius-sm);
  display: none;
}

.form-message.success {
  background: rgba(74,222,128,0.1);
  border: 1px solid rgba(74,222,128,0.3);
  color: #4ade80;
}

.form-message.error {
  background: rgba(248,113,113,0.1);
  border: 1px solid rgba(248,113,113,0.3);
  color: #f87171;
}

/* ─── FOOTER ─── */
footer {
  background: #06060a;
  border-top: 1px solid var(--glass-border);
  padding: 40px 24px;
  text-align: center;
}

footer img { height: 36px; margin-bottom: 16px; }

footer p {
  font-size: 0.8rem;
  color: var(--muted);
}

/* ─── RESPONSIVE ─── */
@media (max-width: 900px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .team-grid { grid-template-columns: repeat(3, 1fr); }
  .business-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 700px) {
  nav { padding: 0 20px; }
  nav ul { display: none; }

  #hero .content { margin-left: 0; }

  .features-grid,
  .steps,
  .testimonials-grid,
  .business-grid { grid-template-columns: 1fr; }

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

  form { grid-template-columns: 1fr; }
  form .full { grid-column: auto; }
}