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

html {
  scroll-behavior: smooth;
}

body {
  font-family: Arial, Helvetica, sans-serif;
  background: #07111f;
  color: #f5f7fa;
  line-height: 1.6;
}

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

ul {
  list-style: none;
}

button,
input,
select,
textarea {
  font: inherit;
}


/* HEADER */

header {
  position: sticky;
  top: 0;
  z-index: 1000;

  width: 100%;
  min-height: 72px;
  padding: 0 7%;

  display: flex;
  align-items: center;
  justify-content: space-between;

  border-bottom: 1px solid rgba(255, 255, 255, 0.08);

  background: rgba(7, 17, 31, 0.92);
  backdrop-filter: blur(16px);
}

.brand {
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.5px;
}

nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

nav a {
  color: #aeb9c7;
  font-size: 0.95rem;

  transition: color 0.2s ease;
}

nav a:hover {
  color: #ffffff;
}


/* MOBILE MENU BUTTON */

.mobile-menu-button {
  display: none;

  position: relative;
  z-index: 1002;

  width: 44px;
  height: 44px;

  flex-shrink: 0;

  padding: 0;

  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 9px;

  background: rgba(255, 255, 255, 0.03);

  cursor: pointer;
}

.mobile-menu-button span {
  position: absolute;
  left: 11px;

  width: 20px;
  height: 2px;

  border-radius: 10px;

  background: #f5f7fa;

  transition:
    transform 0.25s ease,
    opacity 0.2s ease,
    top 0.25s ease;
}

.mobile-menu-button span:nth-child(1) {
  top: 13px;
}

.mobile-menu-button span:nth-child(2) {
  top: 20px;
}

.mobile-menu-button span:nth-child(3) {
  top: 27px;
}

.mobile-menu-button.active span:nth-child(1) {
  top: 20px;
  transform: rotate(45deg);
}

.mobile-menu-button.active span:nth-child(2) {
  opacity: 0;
}

.mobile-menu-button.active span:nth-child(3) {
  top: 20px;
  transform: rotate(-45deg);
}


/* GENERAL */

section {
  padding: 110px 7%;
}

section h2 {
  font-size: clamp(2.3rem, 4vw, 3.8rem);
  line-height: 1.1;
  letter-spacing: -2px;
}

.section-heading {
  max-width: 850px;
  margin-bottom: 60px;
}

.section-heading p {
  max-width: 720px;
  margin-top: 22px;

  color: #9faaba;
  font-size: 1.08rem;
}

.eyebrow {
  display: inline-block;

  margin-bottom: 20px;

  color: #22d3ee;

  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 2px;
}


/* BUTTONS */

.primary-button,
.secondary-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;

  min-height: 52px;
  padding: 0 26px;

  border-radius: 9px;

  font-weight: 700;

  transition:
    transform 0.2s ease,
    background 0.2s ease,
    border-color 0.2s ease;
}

.primary-button {
  background: #22d3ee;
  color: #031019;
}

.primary-button:hover {
  transform: translateY(-2px);
  background: #67e8f9;
}

.secondary-button {
  border: 1px solid rgba(255, 255, 255, 0.18);
  color: #ffffff;
}

.secondary-button:hover {
  transform: translateY(-2px);

  background: rgba(255, 255, 255, 0.06);

  border-color: rgba(255, 255, 255, 0.3);
}


/* HERO */

#hero {
  min-height: calc(100vh - 72px);

  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;

  background:
    radial-gradient(
      circle at 80% 35%,
      rgba(34, 211, 238, 0.16),
      transparent 32%
    ),
    radial-gradient(
      circle at 70% 65%,
      rgba(20, 184, 166, 0.08),
      transparent 30%
    ),
    #07111f;
}

#hero h1 {
  max-width: 1000px;

  margin-bottom: 28px;

  font-size: clamp(3.3rem, 6vw, 6.2rem);
  line-height: 1.01;
  letter-spacing: -4px;
}

#hero p {
  max-width: 720px;

  margin-bottom: 38px;

  color: #aeb9c7;
  font-size: 1.22rem;
}

.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}


/* SERVICES */

#services {
  background: #0a1626;
}

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

  align-items: start;
}

.service-card {
  position: relative;

  min-height: 440px;
  padding: 34px;

  align-self: start;

  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 18px;

  background:
    linear-gradient(
      145deg,
      rgba(255, 255, 255, 0.045),
      rgba(255, 255, 255, 0.015)
    );

  transition:
    transform 0.25s ease,
    border-color 0.25s ease,
    background 0.25s ease;
}

.service-card:hover {
  transform: translateY(-6px);

  border-color: rgba(34, 211, 238, 0.35);

  background:
    linear-gradient(
      145deg,
      rgba(34, 211, 238, 0.07),
      rgba(255, 255, 255, 0.02)
    );
}

.service-number {
  display: inline-flex;

  margin-bottom: 42px;

  color: #22d3ee;

  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 1.5px;
}

.service-card h3 {
  margin-bottom: 18px;

  font-size: 1.55rem;
  line-height: 1.2;
  letter-spacing: -0.7px;
}

.service-card > p {
  margin-bottom: 28px;

  color: #9faaba;
}

.service-card > ul {
  display: flex;
  flex-direction: column;
  gap: 13px;
}

.service-card > ul li {
  position: relative;

  padding-left: 22px;

  color: #c5ced8;
  font-size: 0.94rem;
}

.service-card > ul li::before {
  content: "✓";

  position: absolute;
  left: 0;

  color: #22d3ee;
  font-weight: 700;
}


/* SERVICE SHOW MORE */

.service-details {
  margin-top: 28px;
  padding-top: 20px;

  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.service-details summary {
  list-style: none;

  display: flex;
  align-items: center;
  justify-content: space-between;

  cursor: pointer;

  color: #22d3ee;

  font-size: 0.86rem;
  font-weight: 700;

  user-select: none;

  transition: color 0.2s ease;
}

.service-details summary::-webkit-details-marker {
  display: none;
}

.service-details summary:hover {
  color: #67e8f9;
}

.service-details summary::after {
  content: "+";

  width: 26px;
  height: 26px;

  display: flex;
  align-items: center;
  justify-content: center;

  border: 1px solid rgba(34, 211, 238, 0.28);
  border-radius: 50%;

  font-size: 1rem;
  font-weight: 400;

  background: rgba(34, 211, 238, 0.04);

  transition:
    transform 0.2s ease,
    background 0.2s ease;
}

.service-details[open] summary::after {
  content: "−";

  transform: rotate(180deg);

  background: rgba(34, 211, 238, 0.09);
}

.when-open {
  display: none;
}

.service-details[open] .when-closed {
  display: none;
}

.service-details[open] .when-open {
  display: inline;
}

.service-details-content {
  margin-top: 22px;

  display: flex;
  flex-direction: column;
  gap: 17px;

  animation: detailsReveal 0.25s ease;
}

@keyframes detailsReveal {
  from {
    opacity: 0;
    transform: translateY(-6px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.details-intro {
  margin-bottom: 5px;

  color: #8997a7;

  font-size: 0.84rem;
  line-height: 1.65;
}

.detail-step {
  display: grid;
  grid-template-columns: 30px 1fr;
  gap: 10px;

  padding-top: 3px;
}

.detail-step-number {
  padding-top: 2px;

  color: #22d3ee;

  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.7px;
}

.detail-step strong {
  display: block;

  margin-bottom: 3px;

  color: #d7dfe8;

  font-size: 0.84rem;
  font-weight: 700;
}

.detail-step p {
  color: #8290a0;

  font-size: 0.8rem;
  line-height: 1.55;
}


/* DEMO */

#demo {
  background:
    radial-gradient(
      circle at 20% 30%,
      rgba(34, 211, 238, 0.09),
      transparent 30%
    ),
    #07111f;
}

.slideshow {
  max-width: 1200px;
  margin: 0 auto;

  padding: 26px;

  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: 22px;

  background:
    linear-gradient(
      145deg,
      rgba(255, 255, 255, 0.045),
      rgba(255, 255, 255, 0.015)
    );

  box-shadow:
    0 30px 80px rgba(0, 0, 0, 0.25);
}

.slideshow-topbar {
  margin-bottom: 18px;

  display: flex;
  align-items: center;
  justify-content: space-between;
}

.demo-label {
  color: #cbd5df;

  font-size: 0.9rem;
  font-weight: 700;
}

.slide-counter {
  color: #8290a0;

  font-size: 0.88rem;
  font-weight: 700;
}

.slide-frame {
  width: 100%;
  overflow: hidden;

  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: 15px;

  background: #02070d;
}

.slide-frame img {
  display: block;

  width: 100%;
  height: auto;

  aspect-ratio: 16 / 9;

  object-fit: contain;
}

.slideshow-controls {
  margin-top: 20px;

  display: grid;
  grid-template-columns: 150px 1fr 150px;
  align-items: center;
  gap: 20px;
}

.slide-button {
  min-height: 44px;
  padding: 0 18px;

  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 9px;

  background: rgba(255, 255, 255, 0.025);
  color: #e4e9ef;

  cursor: pointer;

  transition:
    background 0.2s ease,
    border-color 0.2s ease,
    transform 0.2s ease;
}

.slide-button:hover {
  transform: translateY(-1px);

  border-color: rgba(34, 211, 238, 0.4);

  background: rgba(34, 211, 238, 0.06);
}

.slide-dots {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 9px;
}

.slide-dot {
  width: 8px;
  height: 8px;

  padding: 0;

  border: 0;
  border-radius: 50%;

  background: #44515e;

  cursor: pointer;

  transition:
    width 0.2s ease,
    background 0.2s ease;
}

.slide-dot.active {
  width: 24px;

  border-radius: 20px;

  background: #22d3ee;
}

.demo-description {
  max-width: 800px;

  margin-top: 32px;
}

.demo-description h3 {
  margin-bottom: 10px;

  font-size: 1.5rem;
  letter-spacing: -0.7px;
}

.demo-description p {
  color: #9faaba;
}


/* PROCESS */

#process {
  background: #0a1626;
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.process-card {
  min-height: 290px;
  padding: 30px;

  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 16px;

  background: rgba(255, 255, 255, 0.025);

  transition:
    transform 0.2s ease,
    border-color 0.2s ease;
}

.process-card:hover {
  transform: translateY(-4px);

  border-color: rgba(34, 211, 238, 0.25);
}

.process-card span {
  display: inline-block;

  margin-bottom: 45px;

  color: #22d3ee;

  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 1.4px;
}

.process-card h3 {
  margin-bottom: 15px;

  font-size: 1.35rem;
}

.process-card p {
  color: #9faaba;
  font-size: 0.96rem;
}


/* ASSESSMENT */

#assessment {
  position: relative;

  overflow: hidden;

  background:
    radial-gradient(
      circle at 85% 50%,
      rgba(34, 211, 238, 0.12),
      transparent 30%
    ),
    radial-gradient(
      circle at 15% 80%,
      rgba(34, 197, 94, 0.05),
      transparent 28%
    ),
    #07111f;
}

.assessment-wrapper {
  max-width: 1200px;
  margin: 0 auto;

  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap: 70px;
  align-items: center;
}

.assessment-content h2 {
  margin-bottom: 22px;
}

.assessment-intro {
  max-width: 680px;

  color: #aeb9c7;

  font-size: 1.1rem;
  line-height: 1.75;
}

.assessment-features {
  margin-top: 38px;

  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 17px 30px;
}

.assessment-feature {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.assessment-feature span {
  width: 24px;
  height: 24px;

  flex-shrink: 0;

  display: flex;
  align-items: center;
  justify-content: center;

  margin-top: 1px;

  border: 1px solid rgba(34, 211, 238, 0.4);
  border-radius: 50%;

  color: #22d3ee;

  font-size: 0.75rem;
  font-weight: 700;

  background: rgba(34, 211, 238, 0.06);
}

.assessment-feature p {
  color: #c7d0da;

  font-size: 0.95rem;
  line-height: 1.5;
}

.assessment-card {
  position: relative;

  padding: 42px;

  border: 1px solid rgba(34, 211, 238, 0.25);
  border-radius: 22px;

  background:
    linear-gradient(
      145deg,
      rgba(34, 211, 238, 0.08),
      rgba(255, 255, 255, 0.025)
    );

  box-shadow:
    0 30px 90px rgba(0, 0, 0, 0.28);
}

.assessment-badge {
  display: inline-block;

  margin-bottom: 30px;

  padding: 7px 11px;

  border: 1px solid rgba(34, 211, 238, 0.25);
  border-radius: 999px;

  color: #22d3ee;

  background: rgba(34, 211, 238, 0.06);

  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 1.5px;
}

.assessment-price {
  display: flex;
  align-items: flex-start;

  margin-bottom: 2px;

  line-height: 1;
}

.currency {
  margin-top: 10px;
  margin-right: 4px;

  color: #aeb9c7;

  font-size: 1.4rem;
  font-weight: 700;
}

.price {
  font-size: 5rem;
  font-weight: 700;
  letter-spacing: -4px;
}

.price-note {
  margin-top: 8px;

  color: #7f8d9d;

  font-size: 0.88rem;
}

.assessment-card-text {
  margin-top: 30px;

  color: #aeb9c7;

  font-size: 0.98rem;
  line-height: 1.7;
}

.assessment-buy-button {
  width: 100%;
  min-height: 54px;

  margin-top: 32px;
  padding: 0 20px;

  display: flex;
  align-items: center;
  justify-content: center;

  border-radius: 10px;

  background: #22d3ee;
  color: #031019;

  font-size: 0.95rem;
  font-weight: 700;
  text-align: center;

  transition:
    transform 0.2s ease,
    background 0.2s ease,
    box-shadow 0.2s ease;
}

.assessment-buy-button:hover {
  transform: translateY(-2px);

  background: #67e8f9;

  box-shadow:
    0 12px 35px rgba(34, 211, 238, 0.16);
}

.sandbox-note {
  margin-top: 13px;

  color: #687789;

  font-size: 0.76rem;
  text-align: center;
}


/* CONTACT */

#contact {
  position: relative;

  overflow: hidden;

  background:
    radial-gradient(
      circle at 85% 25%,
      rgba(34, 211, 238, 0.14),
      transparent 28%
    ),
    radial-gradient(
      circle at 10% 80%,
      rgba(20, 184, 166, 0.06),
      transparent 26%
    ),
    #0a1626;
}

.contact-layout {
  max-width: 1250px;
  margin: 0 auto;

  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 80px;
  align-items: start;
}

.contact-content {
  position: sticky;
  top: 120px;
}

.contact-content h2 {
  max-width: 580px;
}

.contact-content > p {
  max-width: 560px;

  margin-top: 24px;

  color: #9faaba;

  font-size: 1.08rem;
  line-height: 1.75;
}

.contact-buttons {
  margin-top: 36px;

  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}


/* LEAD FORM */

.lead-form-card {
  padding: 38px;

  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: 22px;

  background:
    linear-gradient(
      145deg,
      rgba(255, 255, 255, 0.045),
      rgba(255, 255, 255, 0.018)
    );

  box-shadow:
    0 30px 80px rgba(0, 0, 0, 0.22);
}

.lead-form-heading {
  margin-bottom: 34px;
}

.lead-form-heading > span {
  display: inline-block;

  margin-bottom: 13px;

  color: #22d3ee;

  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 1.6px;
}

.lead-form-heading h3 {
  margin-bottom: 12px;

  font-size: 1.7rem;
  line-height: 1.25;
  letter-spacing: -0.8px;
}

.lead-form-heading p {
  max-width: 560px;

  color: #8e9bab;

  font-size: 0.92rem;
  line-height: 1.65;
}

#lead-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

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

.form-field {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-field label {
  color: #cbd5df;

  font-size: 0.82rem;
  font-weight: 700;
}

.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;

  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 10px;

  outline: none;

  background: rgba(3, 10, 18, 0.65);
  color: #f3f6f9;

  font-size: 0.91rem;

  transition:
    border-color 0.2s ease,
    box-shadow 0.2s ease,
    background 0.2s ease;
}

.form-field input,
.form-field select {
  height: 50px;
  padding: 0 15px;
}

.form-field textarea {
  min-height: 135px;
  padding: 14px 15px;

  resize: vertical;
}

.form-field input::placeholder,
.form-field textarea::placeholder {
  color: #596879;
}

.form-field select {
  appearance: none;

  cursor: pointer;

  background-image:
    linear-gradient(
      45deg,
      transparent 50%,
      #6f7d8d 50%
    ),
    linear-gradient(
      135deg,
      #6f7d8d 50%,
      transparent 50%
    );

  background-position:
    calc(100% - 18px) 21px,
    calc(100% - 13px) 21px;

  background-size:
    5px 5px,
    5px 5px;

  background-repeat: no-repeat;

  padding-right: 40px;
}

.form-field select option {
  background: #0a1626;
  color: #f5f7fa;
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  border-color: rgba(34, 211, 238, 0.65);

  background: rgba(4, 14, 24, 0.9);

  box-shadow:
    0 0 0 3px rgba(34, 211, 238, 0.07);
}

.form-field input:hover,
.form-field select:hover,
.form-field textarea:hover {
  border-color: rgba(255, 255, 255, 0.17);
}

.lead-submit-button {
  width: 100%;
  min-height: 54px;

  margin-top: 4px;

  border: 0;
  border-radius: 10px;

  background: #22d3ee;
  color: #031019;

  font-size: 0.94rem;
  font-weight: 700;

  cursor: pointer;

  transition:
    transform 0.2s ease,
    background 0.2s ease,
    box-shadow 0.2s ease,
    opacity 0.2s ease;
}

.lead-submit-button:hover {
  transform: translateY(-2px);

  background: #67e8f9;

  box-shadow:
    0 12px 32px rgba(34, 211, 238, 0.14);
}

.lead-submit-button:disabled {
  cursor: not-allowed;

  opacity: 0.6;

  transform: none;
  box-shadow: none;
}

.lead-form-status {
  min-height: 22px;

  margin-top: -4px;

  font-size: 0.84rem;
  line-height: 1.5;
}

.lead-form-status.success {
  color: #67e8f9;
}

.lead-form-status.error {
  color: #fca5a5;
}


/* FOOTER */

footer {
  padding: 42px 7%;

  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;

  border-top: 1px solid rgba(255, 255, 255, 0.08);

  background: #050d18;
}

footer strong {
  font-size: 1.05rem;
}

footer p {
  margin-top: 5px;

  color: #718092;
  font-size: 0.87rem;
}


/* TABLET */

@media (max-width: 1100px) {

  nav {
    gap: 20px;
  }

  .services-grid {
    grid-template-columns: 1fr;
  }

  .service-card {
    min-height: auto;
  }

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

  .assessment-wrapper {
    grid-template-columns: 1fr;
    gap: 55px;
  }

  .assessment-card {
    max-width: 550px;
  }

  .contact-layout {
    grid-template-columns: 1fr;
    gap: 55px;
  }

  .contact-content {
    position: static;
  }

  .contact-content h2,
  .contact-content > p {
    max-width: 720px;
  }

}


/* MOBILE */

@media (max-width: 768px) {

  header {
    padding: 12px 6%;
  }

  .brand {
    position: relative;
    z-index: 1002;
  }

  .mobile-menu-button {
    display: block;
  }

  nav {
    position: absolute;
    top: 100%;
    left: 0;

    width: 100%;

    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 0;

    padding: 0 6%;

    max-height: 0;
    overflow: hidden;

    opacity: 0;
    pointer-events: none;

    border-bottom: 1px solid rgba(255, 255, 255, 0);

    background: rgba(7, 17, 31, 0.98);
    backdrop-filter: blur(18px);

    box-shadow: 0 18px 35px rgba(0, 0, 0, 0.18);

    transition:
      max-height 0.3s ease,
      opacity 0.2s ease,
      padding 0.3s ease,
      border-color 0.3s ease;
  }

  nav.mobile-open {
    max-height: 420px;

    padding-top: 12px;
    padding-bottom: 18px;

    opacity: 1;
    pointer-events: auto;

    border-color: rgba(255, 255, 255, 0.08);
  }

  nav a {
    width: 100%;

    padding: 16px 4px;

    border-bottom: 1px solid rgba(255, 255, 255, 0.06);

    color: #d8e0e9;

    font-size: 1rem;
  }

  nav a:last-child {
    border-bottom: none;
  }

  section {
    padding: 80px 6%;
  }

  #hero {
    min-height: 85vh;
  }

  #hero h1 {
    letter-spacing: -2.5px;
  }

  #hero p {
    font-size: 1.05rem;
  }

  .hero-buttons {
    width: 100%;
    flex-direction: column;
  }

  .hero-buttons a {
    width: 100%;
  }

  .section-heading {
    margin-bottom: 40px;
  }

  .service-card {
    padding: 28px;
  }

  .detail-step {
    grid-template-columns: 26px 1fr;
  }

  .slideshow {
    padding: 14px;
  }

  .slideshow-topbar {
    align-items: flex-start;
    gap: 16px;
  }

  .demo-label {
    max-width: 220px;
  }

  .slideshow-controls {
    grid-template-columns: 1fr 1fr;
  }

  .slide-dots {
    grid-column: 1 / -1;
    grid-row: 2;

    flex-wrap: wrap;
  }

  .slide-button {
    width: 100%;
  }

  .process-grid {
    grid-template-columns: 1fr;
  }

  .process-card {
    min-height: auto;
  }

  .assessment-wrapper {
    grid-template-columns: 1fr;
    gap: 45px;
  }

  .assessment-features {
    grid-template-columns: 1fr;
  }

  .assessment-card {
    padding: 30px 24px;
  }

  .price {
    font-size: 4rem;
  }

  .contact-layout {
    gap: 42px;
  }

  .contact-buttons {
    flex-direction: column;
  }

  .contact-buttons a {
    width: 100%;
  }

  .lead-form-card {
    padding: 26px 20px;
  }

  .lead-form-heading h3 {
    font-size: 1.45rem;
  }

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

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

}