/* ===== Reset & Base ===== */
* { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --bg: #0a0a0f;
  --bg-alt: #101018;
  --surface: #15151f;
  --border: #26263a;
  --text: #f4f4f7;
  --text-muted: #a3a3b8;
  --grad-1: #7c3aed;
  --grad-2: #2563eb;
  --grad-3: #ec4899;
  --gradient: linear-gradient(135deg, var(--grad-1), var(--grad-2) 55%, var(--grad-3));
  --radius: 16px;
  --shadow: 0 20px 50px -20px rgba(124, 58, 237, .35);
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}

h1, h2, h3, .logo__text {
  font-family: 'Poppins', sans-serif;
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; display: block; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }

.container {
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
}

.gradient-text {
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.section-eyebrow, .eyebrow {
  display: inline-block;
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--grad-2);
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(1.7rem, 3vw, 2.4rem);
  font-weight: 700;
  margin-bottom: 16px;
  max-width: 700px;
}

.section-desc {
  color: var(--text-muted);
  max-width: 600px;
  margin-bottom: 48px;
}

section { padding: 100px 0; }

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 28px;
  border-radius: 999px;
  font-weight: 600;
  font-size: .95rem;
  transition: transform .25s ease, box-shadow .25s ease, opacity .25s ease;
}

.btn--primary {
  background: var(--gradient);
  color: #fff;
  box-shadow: var(--shadow);
}

.btn--primary:hover { transform: translateY(-3px); opacity: .95; }

.btn--ghost {
  border: 1px solid var(--border);
  color: var(--text);
}

.btn--ghost:hover { border-color: var(--grad-2); background: rgba(37, 99, 235, .08); }

.btn--full { width: 100%; }

/* ===== Header ===== */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(10, 10, 15, .7);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color .3s ease, background .3s ease;
}

.header.scrolled {
  border-color: var(--border);
  background: rgba(10, 10, 15, .9);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
  gap: 24px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.logo__img {
  width: 30px;
  height: auto;
  filter: drop-shadow(0 0 8px rgba(124, 58, 237, .5));
}

.logo__text {
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--text);
}

.logo__text strong { font-weight: 700; }

.nav {
  display: flex;
  gap: 32px;
  margin-left: auto;
}

.nav a {
  font-size: .92rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: color .2s ease;
  position: relative;
}

.nav a:hover { color: var(--text); }

.nav__cta { flex-shrink: 0; }

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 26px;
}

.menu-toggle span {
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform .3s ease, opacity .3s ease;
}

/* ===== Hero ===== */
.hero {
  position: relative;
  padding: 190px 0 100px;
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: -20% -10% auto -10%;
  height: 700px;
  background:
    radial-gradient(circle at 20% 20%, rgba(124, 58, 237, .35), transparent 55%),
    radial-gradient(circle at 80% 10%, rgba(37, 99, 235, .3), transparent 50%),
    radial-gradient(circle at 60% 60%, rgba(236, 72, 153, .25), transparent 55%);
  filter: blur(40px);
  z-index: -1;
}

.hero__inner { text-align: center; max-width: 880px; }

.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: 24px;
}

.hero__desc {
  color: var(--text-muted);
  font-size: 1.1rem;
  max-width: 620px;
  margin: 0 auto 36px;
}

.hero__actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  margin-bottom: 80px;
  flex-wrap: wrap;
}

.hero__stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  border-top: 1px solid var(--border);
  padding-top: 40px;
}

.stat { display: flex; flex-direction: column; gap: 6px; }

.stat__num {
  font-family: 'Poppins', sans-serif;
  font-size: 2rem;
  font-weight: 700;
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.stat__label {
  font-size: .85rem;
  color: var(--text-muted);
}

/* ===== Marquee ===== */
.marquee {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  overflow: hidden;
  padding: 22px 0;
  background: var(--bg-alt);
}

.marquee__track {
  display: flex;
  gap: 48px;
  width: max-content;
  animation: scroll 25s linear infinite;
}

.marquee__track span {
  font-family: 'Poppins', sans-serif;
  font-weight: 600;
  font-size: 1.1rem;
  color: var(--text-muted);
  white-space: nowrap;
}

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

/* ===== Services ===== */
.cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 24px;
  transition: transform .3s ease, border-color .3s ease, box-shadow .3s ease;
}

.card:hover {
  transform: translateY(-6px);
  border-color: var(--grad-2);
  box-shadow: var(--shadow);
}

.card__icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient);
  margin-bottom: 20px;
  color: #fff;
}

.card__icon svg { width: 26px; height: 26px; }

.card h3 { font-size: 1.15rem; margin-bottom: 10px; }

.card p {
  color: var(--text-muted);
  font-size: .92rem;
  margin-bottom: 16px;
}

.card__list li {
  font-size: .85rem;
  color: var(--text-muted);
  padding-left: 18px;
  position: relative;
  margin-bottom: 8px;
}

.card__list li::before {
  content: "";
  position: absolute;
  left: 0; top: 8px;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--gradient);
}

/* ===== About ===== */
.about { background: var(--bg-alt); }

.about__inner {
  display: grid;
  grid-template-columns: .8fr 1.2fr;
  gap: 64px;
  align-items: center;
}

.about__visual {
  position: relative;
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.about__glow {
  position: absolute;
  inset: 15%;
  background: var(--gradient);
  filter: blur(60px);
  opacity: .35;
  border-radius: 50%;
}

.about__logo {
  position: relative;
  width: 45%;
}

.about__points {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-top: 32px;
}

.point {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding-left: 16px;
  border-left: 2px solid var(--grad-2);
}

.point span { color: var(--text-muted); font-size: .9rem; }

/* ===== Process ===== */
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.step {
  padding: 28px 20px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
}

.step__num {
  font-family: 'Poppins', sans-serif;
  font-weight: 700;
  font-size: 1.6rem;
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  display: block;
  margin-bottom: 12px;
}

.step h3 { margin-bottom: 8px; font-size: 1.05rem; }
.step p { color: var(--text-muted); font-size: .9rem; }

/* ===== Testimonials ===== */
.testimonials { background: var(--bg-alt); }

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

.testimonial {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
}

.testimonial p {
  font-size: .95rem;
  margin-bottom: 20px;
  color: var(--text);
}

.testimonial footer {
  font-size: .85rem;
  color: var(--text-muted);
  font-weight: 600;
}

/* ===== CTA ===== */
.cta {
  background: var(--gradient);
  border-radius: var(--radius);
  max-width: 1180px;
  margin: 0 auto;
  padding: 0;
}

.cta__inner {
  text-align: center;
  padding: 70px 24px;
}

.cta h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  margin-bottom: 12px;
}

.cta p { margin-bottom: 28px; opacity: .9; }

.cta .btn--primary {
  background: #fff;
  color: #0a0a0f;
  box-shadow: none;
}

/* ===== Contact ===== */
.contact__inner {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 64px;
}

.contact__list { margin: 28px 0; }

.contact__list li {
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
  font-size: .95rem;
  color: var(--text-muted);
}

.contact__list li strong { color: var(--text); margin-right: 6px; }

.socials { display: flex; gap: 12px; }

.socials a {
  width: 42px; height: 42px;
  border-radius: 50%;
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .8rem;
  font-weight: 700;
  transition: background .2s ease, border-color .2s ease;
}

.socials a:hover {
  background: var(--gradient);
  border-color: transparent;
}

.contact__form {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

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

label {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: .85rem;
  color: var(--text-muted);
  font-weight: 500;
}

input, select, textarea {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 14px;
  color: var(--text);
  font-family: inherit;
  font-size: .95rem;
  resize: vertical;
  outline: none;
  transition: border-color .2s ease;
}

input:focus, select:focus, textarea:focus { border-color: var(--grad-2); }

.form-success {
  display: none;
  font-size: .85rem;
  color: #4ade80;
  text-align: center;
}

.form-success.show { display: block; }

/* ===== Footer ===== */
.footer {
  border-top: 1px solid var(--border);
  padding: 48px 0;
}

.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 24px;
}

.footer__nav {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}

.footer__nav a {
  font-size: .9rem;
  color: var(--text-muted);
  transition: color .2s ease;
}

.footer__nav a:hover { color: var(--text); }

.footer__copy {
  width: 100%;
  text-align: center;
  color: var(--text-muted);
  font-size: .8rem;
  margin-top: 16px;
}

/* ===== Back to top ===== */
.back-to-top {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--gradient);
  color: #fff;
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity .3s ease, transform .3s ease, visibility .3s ease;
  z-index: 90;
}

.back-to-top.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

/* ===== Responsive ===== */
@media (max-width: 980px) {
  .cards { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .testimonial-grid { grid-template-columns: 1fr; }
  .about__inner { grid-template-columns: 1fr; }
  .about__visual { max-width: 320px; margin: 0 auto; }
  .contact__inner { grid-template-columns: 1fr; }
}

@media (max-width: 860px) {
  .nav, .nav__cta { display: none; }
  .menu-toggle { display: flex; }

  .nav.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 76px;
    left: 0; right: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    padding: 24px;
    gap: 18px;
  }

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

@media (max-width: 560px) {
  section { padding: 70px 0; }
  .cards { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .hero { padding: 150px 0 70px; }
}