:root {
  --clr-primary: #003dff;
  --clr-primary-dark: #0030cc;
  --clr-primary-light: #4d79ff;
  --clr-accent: #14f0b5;
  --clr-accent-dark: #0dc494;
  --clr-purple: #890aff;
  --clr-orange: #f57200;

  --clr-dark: #0a0f1e;
  --clr-dark-2: #111827;
  --clr-dark-3: #1e2a3b;
  --clr-surface: #f8faff;
  --clr-surface-2: #eef2ff;
  --clr-white: #ffffff;
  --clr-text: #1f2937;
  --clr-text-body: #374151;
  --clr-text-muted: #6b7280;
  --clr-text-light: #9ca3af;
  --clr-border: #e5e7eb;
  --clr-border-dark: rgba(255, 255, 255, 0.1);

  --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;
  --text-5xl: 3rem;
  --text-hero: clamp(2.4rem, 5vw, 4rem);
  --text-h2: clamp(1.6rem, 3vw, 2.4rem);
  --text-h3: clamp(1.25rem, 2vw, 1.6rem);

  --weight-regular: 400;
  --weight-medium: 500;
  --weight-semibold: 600;
  --weight-bold: 700;
  --weight-extrabold: 800;
  --weight-black: 900;

  --leading-tight: 1.2;
  --leading-snug: 1.35;
  --leading-normal: 1.6;
  --leading-relaxed: 1.75;

  --sp-1: 0.25rem;
  --sp-2: 0.5rem;
  --sp-3: 0.75rem;
  --sp-4: 1rem;
  --sp-5: 1.25rem;
  --sp-6: 1.5rem;
  --sp-8: 2rem;
  --sp-10: 2.5rem;
  --sp-12: 3rem;
  --sp-16: 4rem;
  --sp-20: 5rem;
  --sp-24: 6rem;
  --sp-32: 8rem;

  --container-max: 1280px;
  --container-pad: clamp(1rem, 4vw, 2rem);
  --section-py: clamp(3rem, 8vw, 6rem);

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-pill: 999px;

  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.06);
  --shadow-sm: 0 2px 8px rgba(0, 61, 255, 0.06), 0 1px 3px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 20px rgba(0, 61, 255, 0.1), 0 2px 6px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 8px 40px rgba(0, 61, 255, 0.16), 0 4px 12px rgba(0, 0, 0, 0.08);
  --shadow-glow: 0 0 30px rgba(0, 61, 255, 0.3);

  --ease-std: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);
  --ease-in: cubic-bezier(0.4, 0, 1, 1);
  --ease-out: cubic-bezier(0, 0, 0.2, 1);
  --dur-fast: 150ms;
  --dur-std: 250ms;
  --dur-slow: 400ms;

  --z-base: 1;
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-modal: 300;
  --z-overlay: 400;
  --z-top: 500;
}

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

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

body {
  font-family: var(--font);
  font-size: var(--text-base);
  color: var(--clr-text-body);
  background: var(--clr-white);
  line-height: var(--leading-normal);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img,
video {
  max-width: 100%;
  height: auto;
  display: block;
}

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

ul,
ol {
  list-style: none;
}

button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: inherit;
}

input,
textarea,
select {
  font-family: inherit;
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

.section {
  padding-block: var(--section-py);
}

.section--dark {
  background: var(--clr-dark);
  color: var(--clr-white);
}

.section--dark2 {
  background: var(--clr-dark-2);
  color: var(--clr-white);
}

.section--surf {
  background: var(--clr-surface);
}

.section--surf2 {
  background: var(--clr-surface-2);
}

.eyebrow {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--clr-accent);
  margin-bottom: var(--sp-3);
}

.section-title {
  font-size: var(--text-h2);
  font-weight: var(--weight-bold);
  line-height: var(--leading-tight);
  color: var(--clr-text);
  margin-bottom: var(--sp-4);
}

.section-title--white {
  color: var(--clr-white);
}

.section-intro {
  font-size: var(--text-lg);
  color: var(--clr-text-muted);
  line-height: var(--leading-relaxed);
  max-width: 64ch;
}

.section-intro--white {
  color: rgba(255, 255, 255, 0.75);
}

.text-center {
  text-align: center;
}

.text-center .section-intro {
  margin-inline: auto;
}

.hero {
  position: relative;
  overflow: hidden;
  min-height: 72vh;
  display: flex;
  align-items: center;
  padding-top: 84px;
}

.hero__grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: var(--sp-16);
  align-items: center;
}

.header__logo img {
  width: 110px;
  height: auto;
  display: block;
}

@media (width <= 768px) {
  .header__logo img {
    width: 88px;
    height: auto;
  }
}

.footer .header__logo img {
  width: 110px;
  height: auto;
}

@media (width <= 768px) {
  .footer .header__logo img {
    width: 88px;
    height: auto;
  }
}

.input--error {
  border-color: #ef4444 !important;
}

.error-text {
  display: none;
  color: #ef4444;
  font-size: var(--text-xs);
  margin-top: 0.25rem;
}
