* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: -apple-system, BlinkMacSystemFont, sans-serif;
}

:root {
  --color-primary: #4FD1C5;
  --color-bg-main: #0F172A;
  --color-bg-secondary: #111827;
  --color-text-main: #E5E7EB;
  --color-text-secondary: #9CA3AF;
  --color-divider: #1F2937;
  --color-hover: #6EE7D8;
  --color-active: #2DD4BF;
  --btn-hover: #14B8A6;
  --surface-border: 1px solid var(--color-divider);
  --radius-lg: 12px;
  --radius-md: 10px;
  --radius-sm: 8px;
  --space-lg: 20px;
  --transition-fast: 0.2s ease;
}

body {
  background: var(--color-bg-main);
  color: var(--color-text-main);
  line-height: 1.6;
  position: relative;
}

.container {
  max-width: 1100px;
  margin: auto;
  padding: 40px var(--space-lg);
  position: relative;
  z-index: 1;
}

h1, h2, h3 {
  margin-bottom: 20px;
}

h1 {
  font-size: 42px;
}

h2 {
  font-size: 32px;
  margin-bottom: 30px;
}

p {
  color: var(--color-text-secondary);
  margin-bottom: 15px;
}

/* BUTTONS */
.btn {
  display: inline-block;
  padding: 14px 24px;
  background: var(--color-primary);
  color: var(--color-bg-main);
  text-decoration: none;
  border-radius: var(--radius-sm);
  margin-right: 10px;
  transition: background var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
  font-weight: 600;
  border: 1px solid transparent;
}

.btn:hover,
.btn:focus,
.btn-secondary:hover,
.btn-secondary:focus {
  background: var(--btn-hover);
  border-color: var(--btn-hover);
}

.btn:active,
.btn-secondary:active {
  background: var(--color-active);
  border-color: var(--color-active);
}

.btn-secondary {
  background: var(--color-primary);
  color: var(--color-bg-main);
  border-color: var(--color-primary);
}

/* HERO */
.hero {
  display: flex;
  align-items: stretch;
  justify-content: flex-start;
  flex-direction: column;
  flex-wrap: wrap;
  min-height: 100vh;
  min-height: 100svh;
}

.hero-text {
  width: 100%;
  max-width: none;
  margin-top: auto;
}

.hero-ticker {
  width: 100%;
  margin-top: auto;
  overflow: hidden;
  border-top: var(--surface-border);
  border-bottom: var(--surface-border);
  background: rgba(17, 24, 39, 0.72);
}

.hero-ticker__track {
  display: flex;
  width: max-content;
  animation: ticker-scroll 55s linear infinite;
}

.hero-ticker__content {
  display: flex;
  align-items: center;
  gap: 26px;
  padding: 12px 18px;
}

.hero-ticker__content img {
  width: 32px;
  height: 32px;
  object-fit: contain;
  flex: 0 0 auto;
  filter: brightness(0.95) saturate(1.05);
}

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

#graph {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
}

.line {
  position: absolute;
  height: 2px;
  background: var(--color-primary);
  animation: move 2s infinite linear;
  opacity: 0.22;
}

@keyframes move {
  from { left: -100%; }
  to { left: 100%; }
}

/* GRID */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-lg);
}

/* CARDS */
.card {
  padding: var(--space-lg);
  transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.card:hover {
  transform: translateY(-5px);
  border-color: var(--color-primary);
}

.problems-grid .card {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.problem-icon {
  width: calc(24px * 1.3);
  height: calc(24px * 1.3);
  flex: 0 0 calc(24px * 1.3);
  margin-top: 2px;
}

/* STARTUPS */
.startup-box {
  position: relative;
  overflow: hidden;
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(240px, 0.7fr);
  gap: 28px;
  align-items: center;
  background:
    radial-gradient(circle at top right, rgba(79, 209, 197, 0.22), transparent 34%),
    radial-gradient(circle at 82% 24%, rgba(245, 158, 11, 0.12), transparent 20%),
    linear-gradient(135deg, rgba(17, 24, 39, 0.96), rgba(15, 23, 42, 0.98));
  border: 1px solid rgba(79, 209, 197, 0.24);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: 0 18px 45px rgba(0, 0, 0, 0.22);
}

.startup-box::before {
  content: "";
  position: absolute;
  inset: auto -10% -20% 32%;
  height: 180px;
  background: linear-gradient(90deg, transparent, rgba(79, 209, 197, 0.08), transparent);
  transform: rotate(-12deg);
  pointer-events: none;
}

.startup-box__content {
  position: relative;
  z-index: 1;
  max-width: 760px;
}

.startup-box__eyebrow {
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 12px;
}

.startup-box h2 {
  max-width: 12ch;
  line-height: 1.1;
}

.startup-box p:not(.startup-box__eyebrow) {
  max-width: 60ch;
  font-size: 17px;
}

.startup-box__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}

.startup-box__visual {
  position: relative;
  min-height: 280px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
}

.startup-box__glow {
  position: absolute;
  width: 220px;
  height: 220px;
  border-radius: 999px;
  background:
    radial-gradient(circle, rgba(79, 209, 197, 0.3), rgba(79, 209, 197, 0.08) 44%, transparent 70%);
  filter: blur(6px);
}

.startup-box__rocket {
  position: relative;
  z-index: 1;
  width: min(100%, 220px);
  height: auto;
  transform: rotate(6deg) scale(1);
  filter: drop-shadow(0 16px 30px rgba(79, 209, 197, 0.16));
}

/* CASES */
.case {
  margin-bottom: 30px;
  padding: var(--space-lg);
}

/* PROCESS */
.steps-flow {
  position: relative;
  display: grid;
  gap: 24px;
}

.steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  counter-reset: process-step;
}

.step {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 14px;
  min-height: 160px;
  padding: var(--space-lg);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.step:not(:last-child)::after {
  content: "";
  position: absolute;
  top: 34px;
  right: -18px;
  width: 18px;
  height: 2px;
  background: linear-gradient(90deg, rgba(79, 209, 197, 0.9), rgba(79, 209, 197, 0.2));
}

.step::before {
  counter-increment: process-step;
  content: counter(process-step);
  color: var(--color-primary);
  font-weight: 700;
  font-size: 28px;
  line-height: 1;
  flex: 0 0 auto;
  width: 40px;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  background: rgba(79, 209, 197, 0.08);
  box-shadow: 0 0 0 10px rgba(79, 209, 197, 0.04);
}

.support-lane {
  position: relative;
  padding: 28px 28px 24px;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(79, 209, 197, 0.22);
  background:
    linear-gradient(180deg, rgba(79, 209, 197, 0.12), rgba(79, 209, 197, 0.04) 30%, rgba(17, 24, 39, 0.94) 100%);
  overflow: hidden;
}

.support-lane::before {
  content: "";
  position: absolute;
  left: 6%;
  right: 6%;
  top: 0;
  height: 2px;
  background: linear-gradient(90deg, rgba(79, 209, 197, 0.25), rgba(79, 209, 197, 0.85), rgba(79, 209, 197, 0.25));
}

.support-lane::after {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 220px;
  background: linear-gradient(90deg, rgba(79, 209, 197, 0.18), transparent);
  animation: support-lane-slide 4.8s ease-in-out infinite;
  pointer-events: none;
}

.support-lane__label {
  display: inline-block;
  margin-bottom: 10px;
  color: var(--color-primary);
  font-weight: 700;
  font-size: 18px;
}

.support-lane p {
  margin-bottom: 0;
}

@keyframes support-lane-slide {
  0%, 100% { transform: translateX(-10%); opacity: 0.28; }
  50% { transform: translateX(420%); opacity: 0.85; }
}

/* TECH */
.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.tag {
  background: var(--color-divider);
  padding: 8px 12px;
  border-radius: 6px;
  font-size: 14px;
  color: var(--color-text-main);
}

/* PRICING */
.pricing-box {
  background: var(--color-bg-secondary);
  border: var(--surface-border);
  border-radius: var(--radius-lg);
  padding: 28px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 360px);
  gap: 24px;
  align-items: start;
}

.pricing-value {
  color: var(--color-primary);
  font-size: 38px;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 10px;
}

.pricing-box__details {
  display: grid;
  gap: 14px;
}

.pricing-box__item {
  padding: 18px;
  border-radius: var(--radius-md);
  background: rgba(15, 23, 42, 0.62);
  border: 1px solid rgba(79, 209, 197, 0.14);
}

.pricing-box__item strong {
  display: block;
  margin-bottom: 8px;
  color: var(--color-text-main);
  font-size: 16px;
}

.pricing-box__item p {
  margin-bottom: 0;
}

.contact-box {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  gap: 24px;
  align-items: start;
}

.contact-box__intro {
  padding: 28px;
  border-radius: var(--radius-lg);
  background:
    radial-gradient(circle at top left, rgba(79, 209, 197, 0.12), transparent 28%),
    linear-gradient(135deg, rgba(17, 24, 39, 0.96), rgba(15, 23, 42, 0.98));
  border: 1px solid rgba(79, 209, 197, 0.18);
}

.contact-box__eyebrow {
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 12px;
}

.contact-box__intro p:last-child {
  max-width: 56ch;
  margin-bottom: 0;
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}

.contact-card {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 18px;
  border-radius: var(--radius-lg);
  background: var(--color-bg-secondary);
  border: var(--surface-border);
  color: var(--color-text-main);
  text-decoration: none;
  transition: transform var(--transition-fast), border-color var(--transition-fast), background var(--transition-fast);
}

.contact-card:hover,
.contact-card:focus {
  transform: translateY(-4px);
  border-color: var(--color-primary);
  background: rgba(17, 24, 39, 0.92);
}

.contact-card__icon {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(79, 209, 197, 0.1);
  color: var(--color-primary);
  flex: 0 0 48px;
}

.contact-card__icon svg {
  width: 24px;
  height: 24px;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.contact-card__meta {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}

.contact-card__meta strong {
  font-size: 16px;
}

.contact-card__meta span {
  color: var(--color-text-secondary);
  overflow-wrap: anywhere;
}

/* FOOTER */
footer {
  text-align: center;
  margin-top: 40px;
  color: var(--color-text-secondary);
  border-top: 1px solid var(--color-divider);
  padding-top: 20px;
  position: relative;
  z-index: 1;
}

.contact-email {
  color: var(--color-text-main);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.contact-email:visited {
  color: var(--color-text-main);
}

.contact-email:hover,
.contact-email:focus {
  color: var(--color-hover);
  text-decoration: none;
}

.scroll-hint {
  position: fixed;
  right: 34px;
  bottom: 34px;
  width: 62px;
  height: 62px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  background: rgba(17, 24, 39, 0.85);
  border: 1px solid var(--color-divider);
  color: var(--color-primary);
  text-decoration: none;
  z-index: 3;
  transition: background var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast), opacity var(--transition-fast), visibility var(--transition-fast), transform var(--transition-fast);
}

.scroll-hint:hover,
.scroll-hint:focus {
  background: var(--color-bg-secondary);
  border-color: var(--color-primary);
  color: var(--color-hover);
}

.scroll-hint__arrow {
  font-size: 34px;
  line-height: 1;
  animation: scroll-hint-bounce 1.4s ease-in-out infinite;
}

.scroll-hint.is-hidden {
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
}

@keyframes scroll-hint-bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(5px); }
}

.feedback-modal {
  position: fixed;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  padding: var(--space-lg);
  overflow-y: auto;
  z-index: 1000;
}

.feedback-modal.is-open {
  display: flex;
}

.feedback-modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(2, 6, 23, 0.82);
  backdrop-filter: blur(8px);
}

.feedback-modal__dialog {
  position: relative;
  width: min(100%, 700px);
  padding: 24px;
  background:
    radial-gradient(circle at top right, rgba(79, 209, 197, 0.08), transparent 30%),
    linear-gradient(180deg, #F8FAFC, #EEF2F7);
  border: 1px solid #CBD5E1;
  border-radius: var(--radius-lg);
  color: var(--color-bg-main);
  max-height: calc(100vh - 2 * var(--space-lg));
  overflow: auto;
  z-index: 1;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.4);
}

.feedback-modal__dialog h3 {
  margin-bottom: 16px;
  color: var(--color-bg-main);
}

.feedback-modal__iframe {
  width: 100%;
  max-width: 650px;
  height: min(72vh, 620px);
  border: 0;
}

.feedback-modal__close {
  position: absolute;
  top: 10px;
  right: 10px;
  width: 32px;
  height: 32px;
  border: 1px solid #CBD5E1;
  border-radius: 50%;
  background: #FFFFFF;
  color: var(--color-bg-main);
  cursor: pointer;
  transition: background var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
}

.feedback-modal__close:hover {
  background: #E2E8F0;
  border-color: #94A3B8;
  color: var(--color-bg-main);
}

.card,
.case,
.step {
  background: var(--color-bg-secondary);
  border: var(--surface-border);
}

.card,
.case {
  border-radius: var(--radius-lg);
}

@media (max-width: 768px) {
  .startup-box {
    grid-template-columns: 1fr;
    padding: 26px 22px;
  }

  .startup-box::before {
    inset: auto -20% -12% 0;
  }

  .startup-box h2 {
    max-width: none;
  }

  .startup-box p:not(.startup-box__eyebrow) {
    font-size: 16px;
  }

  .startup-box__visual {
    min-height: 220px;
    order: 2;
  }

  .startup-box__rocket {
    width: min(100%, 180px);
  }

  .pricing-box {
    grid-template-columns: 1fr;
  }

  .contact-box {
    grid-template-columns: 1fr;
  }

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

  .step {
    min-height: auto;
  }

  .step:not(:last-child)::after {
    top: auto;
    right: auto;
    left: 38px;
    bottom: -18px;
    width: 2px;
    height: 18px;
    background: linear-gradient(180deg, rgba(79, 209, 197, 0.9), rgba(79, 209, 197, 0.2));
  }

  .support-lane {
    padding: 24px 22px 20px;
  }

  .support-lane::before {
    left: 22px;
    right: 22px;
  }

  #graph {
    display: block;
  }
}