:root {
  --bg: #202020;
  --bg-deep: #171817;
  --panel: #292929;
  --text: #ffffff;
  --muted: rgba(255, 255, 255, 0.72);
  --soft: rgba(255, 255, 255, 0.12);
  --cyan: #42d9d6;
  --cyan-2: #22bfd2;
  --yellow: #f3df55;
  --green: #9bd890;
  --radius: 30px;
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 18% 8%, rgba(66, 217, 214, 0.14), transparent 26rem),
    radial-gradient(circle at 78% 0%, rgba(243, 223, 85, 0.10), transparent 28rem),
    var(--bg);
  color: var(--text);
  font-family: "Montserrat", Arial, sans-serif;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -3;
  background-image:
    linear-gradient(115deg, transparent 0 48%, rgba(66, 217, 214, 0.12) 48.2%, transparent 48.8% 100%),
    linear-gradient(25deg, transparent 0 58%, rgba(243, 223, 85, 0.08) 58.2%, transparent 58.8% 100%);
  background-size: 520px 520px, 430px 430px;
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  background: linear-gradient(180deg, rgba(255,255,255,0.03), rgba(0,0,0,0.2));
  pointer-events: none;
}

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

img {
  max-width: 100%;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px clamp(20px, 4vw, 56px);
  background: rgba(23, 24, 23, 0.84);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  backdrop-filter: blur(18px);
}

.brand img {
  width: 142px;
  height: auto;
  display: block;
}

.nav {
  display: flex;
  align-items: center;
  gap: 22px;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.76);
}

.nav a {
  transition: color 0.2s ease;
}

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

.menu-toggle {
  display: none;
  width: 46px;
  height: 42px;
  border: 1px solid var(--soft);
  border-radius: 12px;
  background: transparent;
}

.menu-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  margin: 5px auto;
  background: var(--text);
}

.hero {
  position: relative;
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 130px 24px 90px;
  overflow: hidden;
}

.wave {
  position: absolute;
  width: 720px;
  height: 360px;
  border: 1px solid rgba(66, 217, 214, 0.32);
  border-radius: 50%;
  transform: rotate(-16deg);
  opacity: 0.45;
}

.wave::before,
.wave::after {
  content: "";
  position: absolute;
  inset: 22px;
  border: inherit;
  border-radius: inherit;
}

.wave::after {
  inset: 44px;
}

.wave-left {
  left: -240px;
  top: 210px;
}

.wave-right {
  right: -210px;
  top: 120px;
  border-color: rgba(243, 223, 85, 0.24);
  transform: rotate(18deg);
}

.hero-slider {
  position: relative;
  width: min(980px, 100%);
  min-height: 430px;
  text-align: center;
}

.hero-slide {
  position: absolute;
  inset: 0;
  display: grid;
  align-content: center;
  justify-items: center;
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.55s ease, transform 0.55s ease;
  pointer-events: none;
}

.hero-slide.active {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.eyebrow {
  margin: 0 0 18px;
  color: rgba(255,255,255,0.66);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 920px;
  margin-bottom: 24px;
  font-size: clamp(40px, 7vw, 76px);
  line-height: 0.98;
  font-weight: 900;
  letter-spacing: 0;
}

h2 {
  font-size: clamp(30px, 4.8vw, 54px);
  line-height: 1.05;
  font-weight: 900;
  letter-spacing: 0;
}

h3 {
  font-size: 24px;
  line-height: 1.1;
  font-weight: 900;
}

p {
  color: var(--muted);
  line-height: 1.65;
}

strong {
  color: var(--cyan);
}

.hero-copy {
  max-width: 760px;
  font-size: clamp(18px, 2vw, 25px);
  line-height: 1.35;
}

.gradient-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 58px;
  margin-top: 20px;
  padding: 0 42px;
  border: 0;
  border-radius: 999px;
  background: linear-gradient(100deg, var(--cyan-2), var(--cyan), var(--yellow));
  color: #202020;
  font: inherit;
  font-weight: 900;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  cursor: pointer;
  box-shadow: 0 22px 70px rgba(66, 217, 214, 0.16);
}

.slider-dots {
  position: absolute;
  bottom: 42px;
  left: 50%;
  display: flex;
  gap: 10px;
  transform: translateX(-50%);
}

.slider-dots button {
  width: 11px;
  height: 11px;
  border: 1px solid rgba(255,255,255,0.35);
  border-radius: 999px;
  background: transparent;
  cursor: pointer;
}

.slider-dots button.active {
  width: 34px;
  border-color: var(--cyan);
  background: var(--cyan);
}

.section {
  position: relative;
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto;
  padding: clamp(72px, 9vw, 118px) 0;
}

.split-section,
.channels,
.budget-section,
.about {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: clamp(32px, 6vw, 76px);
  align-items: center;
}

.section-text p {
  max-width: 560px;
  font-size: 18px;
}

.text-link {
  display: inline-block;
  margin-top: 14px;
  color: var(--text);
  font-weight: 900;
  text-decoration: underline;
  text-decoration-color: var(--cyan);
  text-underline-offset: 8px;
}

.funnel-card {
  position: relative;
  min-height: 430px;
  display: grid;
  align-content: center;
  justify-items: center;
}

.funnel-card::before {
  content: "";
  position: absolute;
  inset: 36px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(66,217,214,0.22), transparent 60%);
  filter: blur(18px);
}

.funnel-layer {
  position: relative;
  width: min(100%, 440px);
  height: 92px;
  display: grid;
  place-items: center;
  margin: -8px 0;
  border-radius: 50%;
  background: linear-gradient(90deg, #e6f8ff, #5aa2e6);
  color: #101010;
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  box-shadow: 0 28px 60px rgba(0,0,0,0.38);
}

.funnel-layer.middle {
  width: min(86%, 360px);
}

.funnel-layer.bottom {
  width: min(64%, 260px);
}

.funnel-card p {
  position: relative;
  max-width: 430px;
  margin-top: 34px;
  text-align: center;
  font-weight: 700;
}

.channels {
  width: 100%;
  max-width: none;
  padding-left: max(20px, calc((100vw - var(--max)) / 2));
  padding-right: max(20px, calc((100vw - var(--max)) / 2));
  background: linear-gradient(180deg, rgba(0,0,0,0.12), rgba(0,0,0,0.18));
}

.phone-visual {
  position: relative;
  min-height: 470px;
}

.phone {
  position: absolute;
  left: 22%;
  bottom: 10px;
  width: 250px;
  height: 360px;
  border-radius: 42px;
  background: linear-gradient(145deg, #c9d9de, #222);
  transform: rotate(28deg);
  box-shadow: 0 28px 80px rgba(0,0,0,0.45);
}

.social-badge {
  position: absolute;
  display: grid;
  place-items: center;
  width: 108px;
  height: 108px;
  border-radius: 28px;
  color: #fff;
  font-weight: 900;
  font-size: 30px;
  box-shadow: 0 26px 70px rgba(0,0,0,0.36);
}

.instagram {
  left: 8%;
  top: 18%;
  background: linear-gradient(135deg, #ffd15b, #e23b72, #6939d3);
}

.google {
  left: 48%;
  top: 16%;
  background: #fff;
  color: #4285f4;
}

.youtube {
  left: 42%;
  top: 58%;
  background: #e53935;
}

.whatsapp {
  left: 30%;
  top: 38%;
  background: #26d366;
}

.centered {
  max-width: 850px;
  margin: 0 auto 46px;
  text-align: center;
}

.services-grid,
.portfolio-grid,
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.service-card,
.portfolio-card,
.blog-grid article,
.solution-columns article,
.lead-form,
.budget-note {
  border: 1px solid rgba(66, 217, 214, 0.35);
  border-radius: var(--radius);
  background: rgba(255,255,255,0.035);
  box-shadow: 0 30px 90px rgba(0,0,0,0.16);
}

.service-card {
  min-height: 250px;
  padding: 34px;
}

.service-card span {
  color: var(--cyan);
  font-weight: 900;
  letter-spacing: 0.18em;
}

.service-card h3 {
  margin: 28px 0 16px;
  color: var(--cyan);
  text-transform: uppercase;
}

.solutions::before,
.portfolio-grid::before {
  content: "";
  position: absolute;
  z-index: -1;
  width: 420px;
  height: 220px;
  right: -120px;
  top: 90px;
  border: 1px solid rgba(66,217,214,0.26);
  border-radius: 50%;
  transform: rotate(18deg);
}

.solution-columns {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 46px;
}

.solution-columns article {
  padding: 36px;
}

.solution-columns h3 {
  color: var(--cyan);
  text-align: center;
  font-size: 34px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.solution-columns ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.solution-columns li {
  position: relative;
  margin: 18px 0;
  padding-left: 38px;
  color: rgba(255,255,255,0.86);
  font-weight: 700;
  line-height: 1.45;
}

.solution-columns li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  display: grid;
  place-items: center;
  width: 24px;
  height: 24px;
  border-radius: 6px;
  background: #17d870;
  color: #fff;
}

.portfolio-card {
  overflow: hidden;
  background: rgba(255,255,255,0.045);
}

.portfolio-card h3,
.portfolio-card p {
  padding: 0 26px;
}

.portfolio-card p {
  padding-bottom: 24px;
}

.portfolio-thumb {
  height: 210px;
  background:
    radial-gradient(circle at 28% 32%, rgba(255,255,255,0.32), transparent 4rem),
    linear-gradient(135deg, rgba(66,217,214,0.9), rgba(243,223,85,0.86));
}

.thumb-2 {
  background:
    linear-gradient(135deg, transparent 20%, rgba(66,217,214,0.8) 20% 24%, transparent 24%),
    radial-gradient(circle at 70% 40%, rgba(243,223,85,0.85), transparent 7rem),
    #353535;
}

.thumb-3 {
  background:
    linear-gradient(90deg, rgba(66,217,214,0.9), transparent 35%),
    linear-gradient(145deg, #f5f5f5 0 22%, #2d2d2d 22% 100%);
}

.budget-section {
  align-items: start;
}

.budget-note {
  margin-top: 30px;
  padding: 24px;
}

.lead-form {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
  padding: 28px;
}

.lead-form label {
  display: grid;
  gap: 8px;
  color: rgba(255,255,255,0.78);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

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

.lead-form input,
.lead-form select,
.lead-form textarea {
  width: 100%;
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: 16px;
  background: rgba(255,255,255,0.08);
  color: #fff;
  font: inherit;
  padding: 15px 16px;
  outline: none;
}

.lead-form select option {
  color: #111;
}

.lead-form textarea {
  resize: vertical;
}

.lead-form input:focus,
.lead-form select:focus,
.lead-form textarea:focus {
  border-color: var(--cyan);
  box-shadow: 0 0 0 4px rgba(66,217,214,0.14);
}

.blog-grid article {
  padding: 30px;
}

.blog-tag {
  color: var(--cyan);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.about {
  padding-bottom: 140px;
}

.leo-visual {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 430px;
}

.portrait-placeholder {
  display: grid;
  place-items: center;
  width: min(380px, 78vw);
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle at 50% 36%, rgba(255,255,255,0.2), transparent 5rem), linear-gradient(135deg, #156d66, var(--cyan));
  color: #202020;
  font-size: 40px;
  font-weight: 900;
  text-align: center;
  text-transform: uppercase;
}

.name-pill {
  position: absolute;
  bottom: 40px;
  min-width: 300px;
  padding: 18px 32px;
  border-radius: 999px;
  background: linear-gradient(100deg, var(--cyan), var(--yellow));
  color: #202020;
  font-size: 22px;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-align: center;
}

.footer {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 32px;
  align-items: center;
  padding: 34px clamp(20px, 5vw, 80px);
  background: #3a3a3a;
}

.footer img {
  width: 140px;
}

.footer p {
  margin: 8px 0 0;
  font-size: 12px;
}

.footer-contact {
  display: grid;
  gap: 8px;
  font-size: 14px;
  font-weight: 800;
}

.social-links {
  display: flex;
  justify-content: flex-end;
  gap: 14px;
}

.social-links a {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 8px;
  background: rgba(255,255,255,0.08);
  color: var(--cyan);
  font-weight: 900;
}

@media (max-width: 980px) {
  .menu-toggle {
    display: block;
  }

  .nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    align-items: flex-start;
    padding: 22px;
    background: rgba(23,24,23,0.98);
  }

  .nav.open {
    display: flex;
  }

  .split-section,
  .channels,
  .budget-section,
  .about,
  .solution-columns,
  .services-grid,
  .portfolio-grid,
  .blog-grid,
  .footer {
    grid-template-columns: 1fr;
  }

  .footer,
  .social-links {
    justify-items: start;
    justify-content: start;
  }

  .hero-slider {
    min-height: 520px;
  }

  .phone-visual {
    min-height: 390px;
  }
}

@media (max-width: 640px) {
  .site-header {
    padding: 14px 18px;
  }

  .brand img {
    width: 118px;
  }

  .hero {
    padding-top: 106px;
  }

  h1 {
    font-size: 42px;
  }

  .gradient-button {
    width: 100%;
    padding: 0 18px;
    font-size: 13px;
  }

  .lead-form {
    grid-template-columns: 1fr;
    padding: 20px;
  }

  .service-card,
  .solution-columns article,
  .blog-grid article {
    padding: 24px;
  }

  .social-badge {
    width: 82px;
    height: 82px;
    border-radius: 22px;
    font-size: 22px;
  }

  .phone {
    left: 20%;
    width: 190px;
    height: 285px;
  }
}