/* ============================================================
   SPECIALTY FOUNDATION SYSTEMS — Global Design System
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Barlow+Condensed:wght@600;700;800&display=swap');

/* ── CSS Custom Properties ──────────────────────────────── */
:root {
  /* Colors — Green Palette (Logo-based) */
  --color-navy: #0D2614;
  --color-navy-mid: #112E18;
  --color-navy-light: #1A4526;
  --color-amber: #8ABA61;
  --color-amber-dark: #6A9E45;
  --color-amber-light: #A8D478;
  --color-white: #FFFFFF;
  --color-off-white: #F4F8F0;
  --color-gray-100: #EBF3E5;
  --color-gray-200: #C8DDB8;
  --color-gray-400: #7A9E6A;
  --color-gray-600: #3D5A30;
  --color-text: #0D2614;
  --color-overlay: rgba(13, 38, 20, 0.75);
  --color-overlay-heavy: rgba(13, 38, 20, 0.88);

  /* Typography */
  --font-body: 'Inter', sans-serif;
  --font-heading: 'Barlow Condensed', sans-serif;

  /* Spacing scale */
  --sp-1: 4px;
  --sp-2: 8px;
  --sp-3: 12px;
  --sp-4: 16px;
  --sp-5: 20px;
  --sp-6: 24px;
  --sp-8: 32px;
  --sp-10: 40px;
  --sp-12: 48px;
  --sp-16: 64px;
  --sp-20: 80px;
  --sp-24: 96px;

  /* Border radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.12), 0 1px 2px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.15), 0 2px 4px rgba(0, 0, 0, 0.10);
  --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.20), 0 4px 8px rgba(0, 0, 0, 0.12);
  --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.30);
  --shadow-amber: 0 4px 20px rgba(138, 186, 97, 0.35);

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-base: 0.25s ease;
  --transition-slow: 0.4s ease;

  /* Layout */
  --container-max: 1200px;
  --container-wide: 1400px;
  --nav-height: 70px;
}

/* ── Reset & Base ────────────────────────────────────────── */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

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

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

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-base);
}

ul {
  list-style: none;
}

button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: var(--font-body);
}

input,
textarea,
select {
  font-family: var(--font-body);
  outline: none;
}

/* ── Typography Scale ────────────────────────────────────── */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-heading);
  line-height: 1.1;
  color: var(--color-navy);
  letter-spacing: 0.01em;
}

h1 {
  font-size: clamp(2.5rem, 6vw, 5rem);
  font-weight: 800;
}

h2 {
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 700;
}

h3 {
  font-size: clamp(1.3rem, 2.5vw, 1.8rem);
  font-weight: 700;
}

h4 {
  font-size: 1.2rem;
  font-weight: 600;
}

h5 {
  font-size: 1rem;
  font-weight: 600;
}

p {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--color-gray-600);
}

.text-white {
  color: var(--color-white) !important;
}

.text-amber {
  color: var(--color-amber) !important;
}

.text-navy {
  color: var(--color-navy) !important;
}

.text-muted {
  color: var(--color-gray-400) !important;
}

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

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

.lead {
  font-size: 1.2rem;
  line-height: 1.7;
  color: var(--color-gray-600);
}

/* ── Layout Utilities ────────────────────────────────────── */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--sp-6);
}

.container-wide {
  max-width: var(--container-wide);
  margin: 0 auto;
  padding: 0 var(--sp-6);
}

.section {
  padding: var(--sp-24) 0;
}

.section-sm {
  padding: var(--sp-16) 0;
}

.section-lg {
  padding: var(--sp-24) 0 var(--sp-24);
}

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

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

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

.section-gray {
  background-color: var(--color-gray-100);
}

/* Grid helpers */
.grid {
  display: grid;
  gap: var(--sp-6);
}

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

.grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.grid-4 {
  grid-template-columns: repeat(4, 1fr);
}

.flex {
  display: flex;
}

.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

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

.flex-col {
  flex-direction: column;
}

.gap-4 {
  gap: var(--sp-4);
}

.gap-6 {
  gap: var(--sp-6);
}

.gap-8 {
  gap: var(--sp-8);
}

.w-full {
  width: 100%;
}

.h-full {
  height: 100%;
}

.relative {
  position: relative;
}

.overflow-hidden {
  overflow: hidden;
}

/* ── Buttons ─────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  padding: 14px 32px;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  transition: all var(--transition-base);
  white-space: nowrap;
}

.btn-primary {
  background: var(--color-amber);
  color: var(--color-navy);
  box-shadow: var(--shadow-amber);
}

.btn-primary:hover {
  background: var(--color-amber-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(138, 186, 97, 0.45);
}

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

.btn-outline {
  background: transparent;
  color: var(--color-white);
  border: 2px solid var(--color-white);
}

.btn-outline:hover {
  background: var(--color-white);
  color: var(--color-navy);
  transform: translateY(-2px);
}

.btn-outline-amber {
  background: transparent;
  color: var(--color-amber);
  border: 2px solid var(--color-amber);
}

.btn-outline-amber:hover {
  background: var(--color-amber);
  color: var(--color-navy);
  transform: translateY(-2px);
}

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

.btn-dark:hover {
  background: var(--color-navy-light);
  transform: translateY(-2px);
}

.btn-sm {
  padding: 10px 20px;
  font-size: 0.85rem;
}

.btn-lg {
  padding: 18px 44px;
  font-size: 1.05rem;
}

/* ── Section Headers ─────────────────────────────────────── */
.section-header {
  margin-bottom: var(--sp-12);
}

.section-header.text-center {
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
}

.section-eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-amber);
  margin-bottom: var(--sp-3);
}

.section-title {
  margin-bottom: var(--sp-4);
}

.section-divider {
  width: 56px;
  height: 4px;
  background: var(--color-amber);
  border-radius: 2px;
  margin: var(--sp-4) 0;
}

.section-divider.center {
  margin: var(--sp-4) auto;
}

/* ── Animations ──────────────────────────────────────────── */
.fade-up {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-in {
  opacity: 0;
  transition: opacity 0.65s ease;
}

.fade-in.visible {
  opacity: 1;
}

.scale-in {
  opacity: 0;
  transform: scale(0.92);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.scale-in.visible {
  opacity: 1;
  transform: scale(1);
}

/* Staggered delay helpers */
.delay-1 {
  transition-delay: 0.1s;
}

.delay-2 {
  transition-delay: 0.2s;
}

.delay-3 {
  transition-delay: 0.3s;
}

.delay-4 {
  transition-delay: 0.4s;
}

.delay-5 {
  transition-delay: 0.5s;
}

/* ── Badge / Tag ─────────────────────────────────────────── */
.badge {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 100px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.badge-amber {
  background: rgba(138, 186, 97, 0.15);
  color: var(--color-amber);
  border: 1px solid rgba(138, 186, 97, 0.3);
}

.badge-navy {
  background: rgba(13, 38, 20, 0.1);
  color: var(--color-navy);
}

/* ── Breadcrumb ──────────────────────────────────────────── */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: var(--sp-4);
}

.breadcrumb a {
  color: rgba(255, 255, 255, 0.7);
}

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

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

/* ── Page Hero (inner pages) ─────────────────────────────── */
.page-hero {
  background: linear-gradient(135deg, var(--color-navy) 0%, var(--color-navy-mid) 100%);
  padding: calc(var(--nav-height) + 64px) 0 64px;
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  opacity: 0.4;
}

.page-hero .container {
  position: relative;
  z-index: 1;
}

.page-hero h1 {
  color: var(--color-white);
  margin-bottom: var(--sp-4);
}

.page-hero p {
  color: rgba(255, 255, 255, 0.75);
  font-size: 1.1rem;
  max-width: 600px;
}

/* ── Responsive ──────────────────────────────────────────── */
@media (max-width: 1024px) {
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }

  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  :root {
    --sp-20: 60px;
    --sp-24: 72px;
  }

  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }

  .section {
    padding: var(--sp-16) 0;
  }

  .container {
    padding: 0 var(--sp-4);
  }
}

@media (max-width: 480px) {
  h1 {
    font-size: 2.2rem;
  }

  h2 {
    font-size: 1.7rem;
  }
}

/* ── Scrollbar ───────────────────────────────────────────── */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--color-gray-100);
}

::-webkit-scrollbar-thumb {
  background: var(--color-navy-light);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-amber-dark);
}

/* ── Selection ───────────────────────────────────────────── */
::selection {
  background: var(--color-amber);
  color: var(--color-white);
}