/* ============================================================
   Xtremon — AWS Observability Platform
   Palette and background treatment mirrored from the public
   www.xtremon.co site (colors, layout composition, animated
   hero background). No proprietary markup reused.
   ============================================================ */

@font-face {
  font-family: 'Helvetica Light';
  src: url('../fonts/helvetica-w01-light.woff2') format('woff2');
  font-weight: 300;
  font-display: swap;
}
@font-face {
  font-family: 'Helvetica Bold';
  src: url('../fonts/helvetica-w01-bold.woff2') format('woff2');
  font-weight: 700;
  font-display: swap;
}
@font-face {
  font-family: 'Futura Book';
  src: url('../fonts/futura-lt-w01-book.woff2') format('woff2');
  font-weight: 400;
  font-display: swap;
}
@font-face {
  font-family: 'Proxima Nova';
  src: url('../fonts/proxima-n-w01-reg.woff2') format('woff2');
  font-weight: 400;
  font-display: swap;
}
@font-face {
  font-family: 'Michroma';
  src: url('../fonts/michroma-v21.ttf') format('truetype');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

:root {
  --blue: #3c53f4;
  --blue-secondary: #6578f4;
  --navy: #141c51;
  --gray: #464646;
  --blue-gray: #20455e;
  --yellow: #f9e90b;
  --white: #ffffff;
  --black: #000000;
  --bg: #ffffff;
  --border: #e6e8f4;
  --surface-tint: #f5f6fd;

  --font-heading: 'Helvetica Bold', 'Helvetica Neue', Arial, sans-serif;
  --font-heading-light: 'Helvetica Light', 'Helvetica Neue', Arial, sans-serif;
  --font-body: 'Proxima Nova', 'Helvetica Neue', Arial, sans-serif;
  --font-accent: 'Futura Book', 'Helvetica Neue', Arial, sans-serif;
  --font-logo: 'Microcoma', 'Michroma', 'Microgramma', 'Eurostile Extended', 'Futura Book', sans-serif;

  --max-width: 1200px;
  --radius-card: 14px;
  --radius-pill: 999px;
  --transition-fast: 200ms ease;
  --reveal-duration: 1s;
  --reveal-ease: cubic-bezier(0.445, 0.05, 0.55, 0.95);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  color: var(--gray);
  background: var(--bg);
  line-height: 1.6;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  display: block;
}

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

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--navy);
  color: var(--white);
  padding: 8px 16px;
  z-index: 200;
}
.skip-link:focus {
  left: 0;
}

.eyebrow {
  font-family: var(--font-accent);
  font-size: 0.8125rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--blue);
  margin: 0 0 12px;
}

h1, h2, h3 {
  font-family: var(--font-heading);
  color: var(--navy);
  margin: 0 0 16px;
  line-height: 1.2;
}

h1 { font-size: clamp(2.25rem, 4.4vw, 3.25rem); font-family: var(--font-heading-light); font-weight: 300; }
h2 { font-size: clamp(1.75rem, 3vw, 2.375rem); }
h3 { font-size: 1.125rem; font-family: var(--font-body); font-weight: 700; color: var(--navy); }

p {
  margin: 0 0 16px;
  color: var(--gray);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: var(--radius-pill);
  font-family: var(--font-heading);
  font-size: 15px;
  letter-spacing: 0.02em;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
}
.btn:hover { transform: translateY(-2px); }
.btn--primary {
  background: var(--blue);
  color: var(--white);
}
.btn--primary:hover,
.btn--primary:focus-visible {
  background: var(--blue-secondary);
  box-shadow: 0 10px 24px rgba(60, 83, 244, 0.35);
}
.btn--ghost {
  background: transparent;
  border-color: var(--blue);
  color: var(--blue);
}
.btn--ghost:hover,
.btn--ghost:focus-visible {
  background: var(--blue);
  color: var(--white);
}

/* ---------- Nav ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--border);
}
.nav__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.nav__logo {
  display: block;
  line-height: 0;
  flex-shrink: 0;
}
.nav__logo-image {
  display: block;
  width: 190px;
  height: auto;
}
.nav__links {
  display: flex;
  align-items: center;
  gap: 28px;
  font-family: var(--font-accent);
  font-size: 15px;
}
.nav__links a {
  color: var(--gray);
  transition: color var(--transition-fast);
  position: relative;
}
.nav__links a:hover,
.nav__links a:focus-visible {
  color: var(--blue);
}
.nav__links a:hover::after,
.nav__links a:focus-visible::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 100%;
  height: 2px;
  background: var(--yellow);
}
.nav__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: none;
  border: none;
  cursor: pointer;
}
.nav__toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--navy);
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

@media (max-width: 900px) {
  .nav__links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    background: var(--white);
    border-bottom: 1px solid var(--border);
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-fast);
    display: flex;
  }
  .nav__links.is-open { max-height: 420px; }
  .nav__links a { width: 100%; padding: 14px 24px; border-bottom: 1px solid var(--border); }
  .nav__cta { display: none; }
  .nav__toggle { display: flex; }
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  overflow: hidden;
  min-height: 720px;
  padding: 72px 0;
  display: flex;
  align-items: center;
  background: linear-gradient(160deg, var(--navy) 0%, var(--blue) 55%, var(--blue-secondary) 100%);
  color: var(--white);
}
.hero__bg {
  position: absolute;
  inset: 0;
  background-image: url('../images/hero-bg.jpg');
  background-size: cover;
  background-position: center top;
  opacity: 0.35;
  mix-blend-mode: screen;
  z-index: 0;
  will-change: transform;
}
.hero__inner {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: minmax(0, 0.88fr) minmax(0, 1.12fr);
  align-items: center;
  gap: 28px;
}
.hero__content {
  max-width: 620px;
}
.hero__content .eyebrow { color: var(--yellow); }
.hero__content h1 { color: var(--white); }
.hero__subhead {
  max-width: 600px;
  color: rgba(255, 255, 255, 0.85);
  font-size: 1.0625rem;
}
.hero__actions {
  display: flex;
  gap: 16px;
  margin-top: 8px;
  flex-wrap: wrap;
}
.hero .btn--ghost {
  border-color: rgba(255, 255, 255, 0.6);
  color: var(--white);
}
.hero .btn--ghost:hover,
.hero .btn--ghost:focus-visible {
  background: var(--white);
  color: var(--navy);
  border-color: var(--white);
}
.hero__dashboard {
  position: relative;
  z-index: 1;
  min-width: 0;
  width: 100%;
  margin: 0;
  padding: 0;
}
.hero__dashboard img {
  width: 112%;
  height: auto;
  max-width: none;
  margin-left: -5%;
}

@media (max-width: 900px) {
  .hero {
    min-height: auto;
    padding: 64px 0 44px;
  }
  .hero__inner {
    max-width: var(--max-width);
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .hero__content { max-width: 720px; }
  .hero__dashboard {
    max-width: 780px;
    margin: 8px auto 0;
  }
  .hero__dashboard img {
    width: 108%;
    margin-left: -4%;
  }
}

/* ---------- Sections ---------- */
.section {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 96px 24px;
}
.section--alt { background: var(--surface-tint); }
.section > h2 { max-width: 680px; }

/* Feature rows */
.row-list {
  margin-top: 56px;
  border-top: 1px solid var(--border);
}
.row-item {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 48px;
  padding: 40px 0;
  border-bottom: 1px solid var(--border);
  align-items: start;
}
.row-item__title {
  display: flex;
  align-items: center;
  gap: 16px;
  margin: 0;
}
.row-item__title svg {
  width: 26px;
  height: 26px;
  color: var(--blue);
  flex-shrink: 0;
}
.row-item p {
  margin: 0;
  max-width: 640px;
}

@media (max-width: 700px) {
  .row-item { grid-template-columns: 1fr; gap: 16px; }
}

/* Use case cards */
.card-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-top: 48px;
}
.card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 32px;
  box-shadow: 0 20px 40px -32px rgba(20, 28, 81, 0.18);
}
.card__icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(60, 83, 244, 0.1);
  color: var(--blue);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}
.card__icon svg { width: 22px; height: 22px; }

@media (max-width: 700px) {
  .card-grid { grid-template-columns: 1fr; }
}

/* ---------- Pricing ---------- */
.pricing-header { text-align: center; margin-bottom: 56px; }
.pricing-header .eyebrow, .pricing-header h2 { text-align: center; }

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: start;
}
@media (max-width: 900px) {
  .pricing-grid { grid-template-columns: 1fr; }
}

.pricing-card {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  background: var(--white);
  padding: 40px 32px;
}
.pricing-card--featured {
  border-color: var(--blue);
  background: linear-gradient(180deg, rgba(60, 83, 244, 0.06), rgba(60, 83, 244, 0.01));
  box-shadow: 0 20px 50px -20px rgba(60, 83, 244, 0.3);
}
.pricing-card__header { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 8px; }
.pricing-card__header h3 { font-family: var(--font-heading); font-size: 1.375rem; margin: 0; color: var(--navy); }
.pricing-card__desc { margin: 0 0 24px; }
.pricing-card__divider { border-top: 1px solid var(--border); margin: 0 0 24px; }
.pricing-card__price {
  font-family: var(--font-heading);
  font-size: 2rem;
  margin: 0 0 8px;
  color: var(--navy);
}
.pricing-card__price span { font-family: var(--font-body); font-size: 1rem; font-weight: 400; color: var(--gray); }
.pricing-card__resource-line {
  font-family: var(--font-accent);
  font-size: 0.875rem;
  color: var(--blue);
  margin: 0 0 24px;
}
.pricing-card__included-label { font-size: 0.8125rem; color: var(--gray); margin-bottom: 16px; }
.pricing-card__list {
  list-style: none;
  margin: 0 0 32px;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex: 1;
}
.pricing-card__list li { display: flex; align-items: flex-start; gap: 10px; color: var(--navy); font-size: 0.9375rem; }
.pricing-card__list svg { width: 18px; height: 18px; color: var(--blue); flex-shrink: 0; margin-top: 2px; }
.pricing-card .btn { width: 100%; }

/* ---------- About / pillars ---------- */
.about__intro { max-width: 720px; }
.pillar-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-top: 48px;
}
.pillar {
  padding: 8px 0;
}
.pillar__number {
  display: block;
  font-family: var(--font-heading);
  font-size: 15px;
  color: var(--blue);
  letter-spacing: 0.08em;
  margin-bottom: 8px;
}
.pillar h3 {
  font-family: var(--font-heading);
  font-size: 1.375rem;
  color: var(--navy);
  margin-bottom: 12px;
}
.pillar p { font-size: 15px; margin: 0; }

@media (max-width: 900px) {
  .pillar-grid { grid-template-columns: 1fr; gap: 40px; }
}

/* ---------- Sign Up ---------- */
.signup {
  position: relative;
  overflow: hidden;
  padding: 96px 24px;
  background: linear-gradient(160deg, var(--navy) 0%, var(--blue-gray) 100%);
  color: var(--white);
}
.signup__bg {
  position: absolute;
  inset: 0;
  background-image: url('../images/hero-bg.jpg');
  background-size: cover;
  background-position: center;
  opacity: 0.18;
  mix-blend-mode: screen;
  z-index: 0;
  transform: scale(1.25);
  transform-origin: center bottom;
  will-change: transform;
}
.signup__header {
  position: relative;
  z-index: 1;
  max-width: 640px;
  margin: 0 auto 48px;
  text-align: center;
}
.signup__header .eyebrow { color: var(--yellow); }
.signup__header h2 { color: var(--white); }
.signup__header p { color: rgba(255, 255, 255, 0.8); margin: 0; }

.signup-form {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 880px;
  margin: 0 auto;
}
.field { display: flex; flex-direction: column; gap: 8px; }
.field label { font-size: 0.875rem; font-weight: 700; color: rgba(255, 255, 255, 0.9); }
.field input {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 10px;
  padding: 12px 16px;
  color: var(--white);
  font-family: var(--font-body);
  font-size: 0.9375rem;
}
.field input::placeholder { color: rgba(255, 255, 255, 0.55); }
.field input:focus { outline: none; border-color: var(--yellow); }
.signup-form__actions { grid-column: 1 / -1; display: flex; align-items: center; gap: 16px; margin-top: 8px; flex-wrap: wrap; }

@media (max-width: 700px) {
  .signup-form { grid-template-columns: 1fr; }
}

/* ---------- Footer ---------- */
.footer {
  background: var(--black);
  color: rgba(255, 255, 255, 0.7);
  padding: 48px 24px 24px;
}
.footer__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding-bottom: 32px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}
.footer__logo {
  display: block;
  line-height: 0;
  flex-shrink: 0;
}
.footer__logo-image {
  display: block;
  width: 145px;
  height: auto;
}
.footer__links { display: flex; gap: 24px; flex-wrap: wrap; font-size: 0.9375rem; }
.footer__links a { color: rgba(255, 255, 255, 0.7); }
.footer__links a:hover,
.footer__links a:focus-visible { color: var(--yellow); }
.footer__disclaimer {
  width: 100%;
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.45);
  margin: 16px 0 0;
  text-align: center;
}

/* ---------- Reveal animation ---------- */
.reveal {
  opacity: 0;
  transform: translateY(48px);
  transition: opacity var(--reveal-duration) var(--reveal-ease), transform var(--reveal-duration) var(--reveal-ease);
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal[data-delay="1"] { transition-delay: 0.2s; }
.reveal[data-delay="2"] { transition-delay: 0.4s; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .hero__bg {
    transform: none !important;
  }
  .signup__bg {
    transform: scale(1.25) !important;
  }
}

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .card-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 720px) {
  h1 { font-size: 2rem; }
  .section-title, h2 { font-size: 1.75rem; }
  .row-item h3 { font-size: 1.0625rem; }
  .card-grid,
  .pillar-grid { grid-template-columns: 1fr; }
  .footer__inner { flex-direction: column; text-align: center; }
}