/* ============================================
   Nest Elevate — Design System & Base Styles
   ============================================ */

:root {
  --color-navy: #061a33;
  --color-navy-deep: #031326;
  --color-navy-mid: #0a2544;
  --color-green: #087a44;
  --color-green-dark: #005b34;
  --color-green-mid: #0a9a55;
  --color-green-light: #eaf5ef;
  --color-green-mint: #f0faf4;
  --color-orange: #f58220;
  --color-orange-dark: #e06f10;
  --color-orange-light: #fff3eb;
  --color-white: #ffffff;
  --color-background: #f8faf9;
  --color-background-soft: #f3f7f5;
  --color-text: #162033;
  --color-muted: #657080;
  --color-border: #e2e8e5;
  --color-border-green: #cfe4d8;
  --color-success: #087a44;
  --color-error: #c62828;

  --shadow-small: 0 3px 10px rgba(7, 32, 45, 0.07);
  --shadow-card: 0 6px 20px rgba(7, 32, 45, 0.10);
  --shadow-large: 0 15px 40px rgba(7, 32, 45, 0.14);
  --shadow-header: 0 4px 16px rgba(6, 26, 51, 0.08);

  --radius-small: 6px;
  --radius-medium: 10px;
  --radius-large: 16px;
  --radius-round: 999px;

  --container-width: 1380px;
  --header-height: 78px;
  --topbar-height: 40px;

  --font-heading: "Poppins", Arial, Helvetica, sans-serif;
  --font-body: "Inter", Arial, Helvetica, sans-serif;
  --fw-heading: 500;

  --transition-fast: 180ms ease;
  --transition-normal: 300ms ease;
  --transition-slow: 600ms cubic-bezier(0.22, 1, 0.36, 1);

  --section-pad: clamp(3.5rem, 6vw, 6.5rem);
  --fs-hero: clamp(2.125rem, 4.2vw, 3.75rem);
  --fs-page-hero: clamp(2rem, 3.8vw, 3.25rem);
  --fs-section: clamp(1.75rem, 3vw, 2.5rem);
  --fs-card: clamp(1.125rem, 1.5vw, 1.35rem);
  --fs-body: clamp(0.9375rem, 1.1vw, 1.0625rem);
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: 1.65;
  color: var(--color-text);
  background: var(--color-white);
  overflow-x: hidden;
  overflow-x: clip; /* clip preserves position:sticky better than hidden */
  max-width: 100%;
}

body.nav-open {
  overflow: hidden;
}

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

iframe,
embed,
object {
  max-width: 100%;
}

section,
.section,
.container,
main,
footer,
header {
  max-width: 100%;
}

/* Keep cover images from stretching when CSS height is forced */
.hero-media img,
.hero-brands-media img,
.split-media img,
.why-photo img,
.cta-banner-media img,
.aside-image img {
  height: 100%;
  width: 100%;
  max-width: none;
}

.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding-inline: clamp(10px, 1.25vw, 16px);
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast), opacity var(--transition-fast);
}

ul, ol {
  list-style: none;
}

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

button {
  cursor: pointer;
  border: none;
  background: none;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: var(--fw-heading);
  line-height: 1.2;
  color: var(--color-text);
}

.section-title,
.card-title,
.cta-banner h2,
.connect-banner h2,
.form-panel-aside h2,
.page-hero h1,
.careers-hero h1,
.hero-home h1,
.hero-service h1,
.hero-brands h1,
.audience-half h3 {
  font-weight: var(--fw-heading);
}

p {
  color: var(--color-muted);
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 10000;
  background: var(--color-orange);
  color: var(--color-white);
  padding: 0.75rem 1.25rem;
  font-weight: 600;
  border-radius: var(--radius-small);
}

.skip-link:focus {
  left: 1rem;
  top: 1rem;
}

:focus-visible {
  outline: 2px solid var(--color-orange);
  outline-offset: 3px;
}

/* Typography helpers */
.section-title {
  font-size: var(--fs-section);
  margin-bottom: 0.75rem;
  text-align: center;
}

.section-subtitle {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 2.75rem;
  font-size: 1rem;
}

.eyebrow {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-green);
  margin-bottom: 0.75rem;
}

.breadcrumb {
  font-size: 0.8125rem;
  color: var(--color-muted);
  margin-bottom: 1.25rem;
}

.breadcrumb a:hover {
  color: var(--color-green);
}

.breadcrumb span {
  color: var(--color-green);
}

.text-green { color: var(--color-green); }
.text-orange { color: var(--color-orange); }
.text-navy { color: var(--color-navy); }
.text-white { color: var(--color-white); }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.5rem;
  font-family: var(--font-heading);
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: var(--radius-small);
  border: 2px solid transparent;
  transition: transform var(--transition-fast), background var(--transition-fast),
    border-color var(--transition-fast), color var(--transition-fast), box-shadow var(--transition-fast);
  white-space: nowrap;
  line-height: 1.2;
  max-width: 100%;
  box-sizing: border-box;
}

.btn i,
.btn svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn:active {
  transform: translateY(0);
}

.btn-orange {
  background: var(--color-orange);
  color: var(--color-white);
  border-color: var(--color-orange);
}

.btn-orange:hover {
  background: var(--color-orange-dark);
  border-color: var(--color-orange-dark);
  box-shadow: 0 8px 20px rgba(255, 101, 15, 0.3);
}

.btn-green {
  background: var(--color-green);
  color: var(--color-white);
  border-color: var(--color-green);
}

.btn-green:hover {
  background: var(--color-green-dark);
  border-color: var(--color-green-dark);
  box-shadow: 0 8px 20px rgba(8, 122, 68, 0.28);
}

.btn-outline {
  background: transparent;
  color: var(--color-navy);
  border-color: var(--color-border);
}

.btn-outline:hover {
  border-color: var(--color-navy);
  background: var(--color-background);
}

.btn-outline-green {
  background: transparent;
  color: var(--color-green);
  border-color: var(--color-green);
}

.btn-outline-green:hover {
  background: var(--color-green);
  color: var(--color-white);
}

.btn-outline-white {
  background: transparent;
  color: var(--color-white);
  border-color: rgba(255, 255, 255, 0.55);
}

.btn-outline-white:hover {
  background: var(--color-white);
  color: var(--color-navy);
  border-color: var(--color-white);
}

.btn-white {
  background: var(--color-white);
  color: var(--color-green);
  border-color: var(--color-white);
}

.btn-white:hover {
  background: var(--color-green-light);
  box-shadow: var(--shadow-small);
}

.btn-navy {
  background: var(--color-navy);
  color: var(--color-white);
  border-color: var(--color-navy);
}

.btn-navy:hover {
  background: var(--color-navy-mid);
}

.btn-sm {
  padding: 0.6rem 1.1rem;
  font-size: 0.875rem;
}

.btn-lg {
  padding: 1rem 1.85rem;
  font-size: 1rem;
}

.btn-block {
  width: 100%;
}

.btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  align-items: center;
}

/* Sections */
.section {
  padding-block: var(--section-pad);
}

.section-soft {
  background: var(--color-background);
}

.section-mint {
  background: var(--color-green-mint);
}

/* Keep spacing after grey / tinted sections */
.section-soft + .section,
.section-mint + .section,
.section-partner-tools + .section,
.section-catalog + .section,
.section-soft + .stats-bar,
.section-mint + .stats-bar {
  padding-top: var(--section-pad);
}

.section-cta {
  padding-top: calc(var(--section-pad) * 0.75);
  padding-bottom: var(--section-pad);
}

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

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

/* Dividers */
.divider {
  height: 1px;
  background: var(--color-border);
  border: none;
  margin: 0;
}

/* Utility */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.text-center { text-align: center; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}