/* ==========================================================================
   I'NEED CORPORATE & PRODUCT PLATFORM STYLESHEET
   Design Philosophy: Minimalist, Architectural, Clean, Ultra-Responsive
   Strict Constraints: No eyebrow headers, No emojis, High-Contrast Readability
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root {
  /* Color Palette - Minimalist Forest & Architectural Slate */
  --color-primary: #004F3F;
  --color-primary-hover: #003B2F;
  --color-primary-light: #EBF5F2;
  --color-primary-subtle: rgba(0, 79, 63, 0.08);
  --color-accent: #059669;
  --color-accent-soft: rgba(5, 150, 105, 0.12);

  --color-dark: #0F172A;
  --color-slate-900: #0F172A;
  --color-slate-800: #1E293B;
  --color-slate-700: #334155;
  --color-slate-600: #475569;
  --color-slate-500: #64748B;
  --color-slate-400: #94A3B8;
  --color-slate-300: #CBD5E1;
  --color-slate-200: #E2E8F0;
  --color-slate-100: #F1F5F9;
  --color-slate-50: #F8FAFC;
  --color-white: #FFFFFF;

  --border-light: rgba(15, 23, 42, 0.08);
  --border-subtle: rgba(15, 23, 42, 0.04);
  --border-dark: rgba(255, 255, 255, 0.12);

  /* Typography */
  --font-display: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Layout & Spacing */
  --container-max: 1280px;
  --container-narrow: 1040px;
  --section-spacing-y: clamp(5rem, 8vw, 8.5rem);
  --section-spacing-sm: clamp(3.5rem, 5vw, 5rem);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 32px;
  --radius-full: 9999px;

  /* Elevations */
  --shadow-subtle: 0 1px 3px rgba(15, 23, 42, 0.04);
  --shadow-card: 0 10px 30px -10px rgba(15, 23, 42, 0.08);
  --shadow-hover: 0 20px 40px -15px rgba(0, 79, 63, 0.16);
  --shadow-float: 0 25px 60px -20px rgba(15, 23, 42, 0.15);

  /* Transitions */
  --transition-fast: 0.18s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-normal: 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-smooth: 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  color: var(--color-slate-700);
  background-color: var(--color-white);
  line-height: 1.65;
  overflow-x: hidden;
  font-weight: 400;
}

/* Typography Hierarchy (NO EYEBROW HEADERS) */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  color: var(--color-slate-900);
  line-height: 1.18;
  letter-spacing: -0.03em;
  font-weight: 700;
}

h1 {
  font-size: clamp(2.4rem, 5vw, 4.2rem);
  font-weight: 800;
  margin-bottom: 1.25rem;
}

h2 {
  font-size: clamp(1.85rem, 3.5vw, 2.75rem);
  font-weight: 700;
  margin-bottom: 1rem;
}

h3 {
  font-size: clamp(1.35rem, 2.2vw, 1.75rem);
  font-weight: 600;
  margin-bottom: 0.75rem;
}

h4 {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

p {
  margin-bottom: 1.25rem;
  font-size: 1.05rem;
  color: var(--color-slate-600);
  font-weight: 400;
}

p.lead {
  font-size: clamp(1.15rem, 1.8vw, 1.35rem);
  line-height: 1.6;
  color: var(--color-slate-600);
  font-weight: 400;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

/* Layout Utilities */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: clamp(1.25rem, 3vw, 2.5rem);
  padding-right: clamp(1.25rem, 3vw, 2.5rem);
}

.container-narrow {
  max-width: var(--container-narrow);
}

.section {
  padding-top: var(--section-spacing-y);
  padding-bottom: var(--section-spacing-y);
  position: relative;
}

.section-sm {
  padding-top: var(--section-spacing-sm);
  padding-bottom: var(--section-spacing-sm);
}

.section-slate {
  background-color: var(--color-slate-50);
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
}

.section-dark {
  background-color: var(--color-slate-900);
  color: var(--color-slate-300);
}

.section-dark h1,
.section-dark h2,
.section-dark h3,
.section-dark h4 {
  color: var(--color-white);
}

.section-dark p {
  color: var(--color-slate-300);
}

/* Grid Layouts */
.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 4vw, 4.5rem);
  align-items: center;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(1.5rem, 2.5vw, 2.5rem);
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(1.25rem, 2vw, 2rem);
}

/* Navigation Header */
.site-header {
  position: sticky;
  top: 0;
  width: 100%;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-light);
  z-index: 1000;
  transition: all var(--transition-normal);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

.brand-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.brand-logo-img {
  height: 48px;
  width: auto;
  object-fit: contain;
}

.brand-name {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-slate-900);
  letter-spacing: -0.04em;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-slate-600);
  padding: 0.5rem 0;
  position: relative;
  transition: color var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-primary);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--color-primary);
  border-radius: 2px;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* Mobile Toggle */
.mobile-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  color: var(--color-slate-800);
}

.mobile-toggle svg {
  width: 26px;
  height: 26px;
  display: block;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.9rem 1.85rem;
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  border: 1px solid transparent;
  line-height: 1;
}

.btn svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  stroke-width: 2.25;
}

.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-white);
  box-shadow: 0 4px 14px rgba(0, 79, 63, 0.25);
}

.btn-primary:hover {
  background-color: var(--color-primary-hover);
  color: var(--color-white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}

.btn-secondary {
  background-color: var(--color-slate-100);
  color: var(--color-slate-800);
  border: 1px solid var(--border-light);
}

.btn-secondary:hover {
  background-color: var(--color-slate-200);
  color: var(--color-slate-900);
  transform: translateY(-2px);
}

.btn-white {
  background-color: var(--color-white);
  color: var(--color-slate-900);
  box-shadow: var(--shadow-card);
}

.btn-white:hover {
  background-color: var(--color-slate-50);
  transform: translateY(-2px);
  box-shadow: var(--shadow-float);
}

.btn-outline-white {
  background-color: transparent;
  color: var(--color-white);
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.btn-outline-white:hover {
  background-color: rgba(255, 255, 255, 0.1);
  border-color: var(--color-white);
  color: var(--color-white);
  transform: translateY(-2px);
}

/* Image Frames & Minimalist Cards */
.media-frame {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--border-light);
  background-color: var(--color-slate-100);
}

.media-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-smooth);
}

.media-frame:hover img {
  transform: scale(1.025);
}

.card {
  background-color: var(--color-white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
  border-color: rgba(0, 79, 63, 0.2);
}

.card-dark {
  background-color: var(--color-slate-800);
  border-color: var(--border-dark);
}

.card-dark:hover {
  border-color: rgba(255, 255, 255, 0.25);
}

/* Icon Containers */
.icon-box {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-primary-light);
  color: var(--color-primary);
  margin-bottom: 1.5rem;
  flex-shrink: 0;
}

.icon-box svg {
  width: 24px;
  height: 24px;
  stroke-width: 2;
}

.icon-box-dark {
  background-color: rgba(255, 255, 255, 0.08);
  color: var(--color-white);
}

/* Stats Matrix */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin-top: 2.5rem;
}

.stat-item {
  border-left: 2px solid var(--color-primary);
  padding-left: 1.25rem;
}

.stat-number {
  font-family: var(--font-display);
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--color-slate-900);
  line-height: 1.1;
  margin-bottom: 0.25rem;
}

.stat-label {
  font-size: 0.9rem;
  color: var(--color-slate-500);
  font-weight: 500;
}

/* Accordion FAQ */
.accordion {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.accordion-item {
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  background-color: var(--color-white);
  overflow: hidden;
  transition: all var(--transition-fast);
}

.accordion-header {
  width: 100%;
  padding: 1.35rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  background: none;
  border: none;
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-slate-900);
  text-align: left;
  cursor: pointer;
}

.accordion-header svg {
  width: 20px;
  height: 20px;
  transition: transform var(--transition-normal);
  color: var(--color-slate-400);
  flex-shrink: 0;
}

.accordion-item.open .accordion-header svg {
  transform: rotate(180deg);
  color: var(--color-primary);
}

.accordion-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-normal);
  padding: 0 1.5rem;
}

.accordion-item.open .accordion-body {
  padding-bottom: 1.5rem;
}

/* Forms */
.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-slate-800);
  margin-bottom: 0.5rem;
}

.form-control {
  width: 100%;
  padding: 0.95rem 1.25rem;
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--color-slate-900);
  background-color: var(--color-slate-50);
  border: 1px solid var(--color-slate-200);
  border-radius: var(--radius-md);
  outline: none;
  transition: all var(--transition-fast);
}

.form-control:focus {
  background-color: var(--color-white);
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-subtle);
}

textarea.form-control {
  min-height: 140px;
  resize: vertical;
}

/* Footer */
.site-footer {
  background-color: var(--color-slate-900);
  color: var(--color-slate-400);
  padding-top: 5rem;
  padding-bottom: 3rem;
  border-top: 1px solid var(--border-dark);
}

.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 3.5rem;
  margin-bottom: 4rem;
}

.footer-brand p {
  color: var(--color-slate-400);
  margin-top: 1rem;
  max-width: 340px;
  font-size: 0.95rem;
}

.footer-title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-white);
  letter-spacing: -0.01em;
  margin-bottom: 1.25rem;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-links a {
  color: var(--color-slate-400);
  font-size: 0.95rem;
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--color-white);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 2rem;
  border-top: 1px solid var(--border-dark);
  font-size: 0.875rem;
  color: var(--color-slate-500);
}

/* ==========================================================================
   SCROLL REVEAL & ANIMATION PATTERNS
   Every section has its own animation reveal and scroll pattern
   ========================================================================== */

.reveal-fade-up {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-slide-left {
  opacity: 0;
  transform: translateX(-50px);
  transition: opacity 0.85s cubic-bezier(0.16, 1, 0.3, 1), transform 0.85s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-slide-right {
  opacity: 0;
  transform: translateX(50px);
  transition: opacity 0.85s cubic-bezier(0.16, 1, 0.3, 1), transform 0.85s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-scale-in {
  opacity: 0;
  transform: scale(0.92);
  transition: opacity 0.9s cubic-bezier(0.16, 1, 0.3, 1), transform 0.9s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-stagger > * {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-clip {
  opacity: 0;
  clip-path: inset(10% 0 10% 0);
  transition: opacity 0.85s ease, clip-path 0.85s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Active Animation States */
.is-revealed.reveal-fade-up,
.is-revealed.reveal-slide-left,
.is-revealed.reveal-slide-right,
.is-revealed.reveal-scale-in {
  opacity: 1;
  transform: translate(0, 0) scale(1);
}

.is-revealed.reveal-clip {
  opacity: 1;
  clip-path: inset(0 0 0 0);
}

.is-revealed.reveal-stagger > * {
  opacity: 1;
  transform: translateY(0);
}

.is-revealed.reveal-stagger > *:nth-child(1) { transition-delay: 0.05s; }
.is-revealed.reveal-stagger > *:nth-child(2) { transition-delay: 0.15s; }
.is-revealed.reveal-stagger > *:nth-child(3) { transition-delay: 0.25s; }
.is-revealed.reveal-stagger > *:nth-child(4) { transition-delay: 0.35s; }
.is-revealed.reveal-stagger > *:nth-child(5) { transition-delay: 0.45s; }
.is-revealed.reveal-stagger > *:nth-child(6) { transition-delay: 0.55s; }

/* Responsive Breakpoints */
@media (max-width: 1024px) {
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-top {
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
  }
}

@media (max-width: 860px) {
  .grid-2,
  .grid-3 {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .nav-menu {
    position: fixed;
    top: 80px;
    left: 0;
    width: 100%;
    background-color: var(--color-white);
    flex-direction: column;
    align-items: flex-start;
    padding: 2rem clamp(1.25rem, 5vw, 2.5rem);
    border-bottom: 1px solid var(--border-light);
    box-shadow: var(--shadow-float);
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: all var(--transition-normal);
  }

  .nav-menu.is-active {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
  }

  .mobile-toggle {
    display: block;
  }

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

@media (max-width: 600px) {
  .grid-4,
  .stats-grid,
  .footer-top {
    grid-template-columns: 1fr;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }

  .header-actions .btn {
    display: none;
  }
}