/* =============================================================
   WorkCore — Design System & Styles
   Aesthetic: "Digital Precision" — Dark confidence, luminous cyan
   ============================================================= */

/* ===== Custom Properties ===== */
:root {
  /* Brand colors */
  --navy-950: #080e1a;
  --navy-900: #0f1b30;
  --navy-800: #1a2744;
  --navy-700: #243352;
  --navy-600: #2e4066;
  --blue-500: #3490dc;
  --cyan-400: #4db8d9;
  --cyan-300: #6dd5ed;
  --cyan-200: #a0e9f8;
  --cyan-100: #e0f7fa;

  /* Neutrals */
  --white: #ffffff;
  --gray-50: #f8fafc;
  --gray-100: #f1f5f9;
  --gray-200: #e2e8f0;
  --gray-300: #cbd5e1;
  --gray-400: #94a3b8;
  --gray-500: #64748b;
  --gray-600: #475569;
  --gray-700: #334155;
  --gray-800: #1e293b;

  /* Semantic */
  --success: #22c55e;
  --warning: #eab308;
  --danger: #ef4444;

  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #3490dc 0%, #4db8d9 50%, #6dd5ed 100%);
  --gradient-dark: linear-gradient(180deg, #0f1b30 0%, #080e1a 100%);
  --gradient-hero: linear-gradient(135deg, #0f1b30 0%, #1a2744 40%, #0f1b30 100%);
  --gradient-glow: radial-gradient(ellipse at 70% 50%, rgba(77, 184, 217, 0.12) 0%, transparent 60%);

  /* Typography */
  --font-display: 'Sora', sans-serif;
  --font-body: 'DM Sans', sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 1rem;
  --space-4: 1.5rem;
  --space-5: 2rem;
  --space-6: 3rem;
  --space-7: 4rem;
  --space-8: 6rem;
  --space-9: 8rem;

  /* Layout */
  --container-max: 1200px;
  --nav-height: 80px;
  --border-radius: 12px;
  --border-radius-sm: 8px;
  --border-radius-lg: 20px;

  /* Transitions */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --transition-fast: 0.2s var(--ease-out);
  --transition-base: 0.4s var(--ease-out);
  --transition-slow: 0.7s var(--ease-out);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-height);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.7;
  color: var(--gray-600);
  background: var(--white);
  overflow-x: hidden;
}

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

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

ul {
  list-style: none;
}

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

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

::selection {
  background: var(--cyan-400);
  color: var(--navy-900);
}

/* ===== Skip Link ===== */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-3);
  padding: var(--space-2) var(--space-3);
  background: var(--cyan-400);
  color: var(--navy-900);
  font-weight: 600;
  border-radius: var(--border-radius-sm);
  z-index: 1000;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: var(--space-3);
}

/* ===== Layout ===== */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-4);
}

@media (min-width: 768px) {
  .container {
    padding: 0 var(--space-5);
  }
}

/* ===== Typography ===== */
h1, h2, h3 {
  font-family: var(--font-display);
  line-height: 1.15;
  color: var(--gray-800);
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(2.2rem, 5vw, 3.75rem);
  font-weight: 800;
}

h2 {
  font-size: clamp(1.75rem, 3.5vw, 2.75rem);
  font-weight: 700;
}

h3 {
  font-size: clamp(1.125rem, 2vw, 1.375rem);
  font-weight: 600;
  line-height: 1.3;
}

.text-accent {
  color: var(--blue-500);
}

.text-cyan {
  color: var(--cyan-300);
}

.section-label {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--cyan-400);
  margin-bottom: var(--space-3);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.section-label::before {
  content: '';
  display: inline-block;
  width: 28px;
  height: 2px;
  background: var(--gradient-primary);
  border-radius: 1px;
}

.section-label--light {
  color: var(--cyan-300);
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.875rem 1.75rem;
  font-family: var(--font-display);
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: var(--border-radius);
  transition: all var(--transition-fast);
  cursor: pointer;
  white-space: nowrap;
  border: 2px solid transparent;
  position: relative;
  overflow: hidden;
}

.btn--primary {
  background: var(--gradient-primary);
  color: var(--white);
  border-color: transparent;
  box-shadow: 0 4px 20px rgba(77, 184, 217, 0.25);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(77, 184, 217, 0.35);
}

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

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

.btn--outline:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.5);
  transform: translateY(-2px);
}

.btn--lg {
  padding: 1rem 2rem;
  font-size: 1rem;
}

.btn--full {
  width: 100%;
}

.btn__arrow {
  transition: transform var(--transition-fast);
}

.btn:hover .btn__arrow {
  transform: translateX(4px);
}

/* ===== Navigation ===== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--nav-height);
  transition: all var(--transition-base);
}

.nav.scrolled {
  background: rgba(15, 27, 48, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 rgba(77, 184, 217, 0.1);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.nav__logo {
  display: flex;
  align-items: center;
  z-index: 101;
}

.nav__logo-img {
  height: 64px;
  width: auto;
}

.nav__links {
  display: none;
  gap: var(--space-5);
}

@media (min-width: 768px) {
  .nav__links {
    display: flex;
  }
}

.nav__link {
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.7);
  transition: color var(--transition-fast);
  position: relative;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--cyan-400);
  transition: width var(--transition-base);
  border-radius: 1px;
}

.nav__link:hover,
.nav__link.active {
  color: var(--white);
}

.nav__link:hover::after,
.nav__link.active::after {
  width: 100%;
}

.nav__cta {
  display: none;
  padding: 0.625rem 1.25rem;
  font-size: 0.8125rem;
}

@media (min-width: 768px) {
  .nav__cta {
    display: inline-flex;
  }
}

/* Hamburger */
.nav__hamburger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 28px;
  height: 28px;
  z-index: 101;
}

.nav__hamburger span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--white);
  border-radius: 1px;
  transition: all var(--transition-fast);
  transform-origin: center;
}

.nav__hamburger.open span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.nav__hamburger.open span:nth-child(2) {
  opacity: 0;
}

.nav__hamburger.open span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

@media (min-width: 768px) {
  .nav__hamburger {
    display: none;
  }
}

/* Mobile overlay */
.nav__mobile-overlay {
  position: fixed;
  top: 0;
  right: 0;
  width: 100%;
  height: 100vh;
  height: 100dvh;
  background: rgba(15, 27, 48, 0.98);
  backdrop-filter: blur(30px);
  -webkit-backdrop-filter: blur(30px);
  display: flex;
  align-items: center;
  justify-content: center;
  transform: translateX(100%);
  transition: transform 0.5s var(--ease-out);
  z-index: 99;
}

.nav__mobile-overlay.open {
  transform: translateX(0);
}

.nav__mobile-links {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-6);
}

.nav__mobile-link {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--white);
  opacity: 0.8;
  transition: opacity var(--transition-fast);
}

.nav__mobile-link:hover {
  opacity: 1;
}

.nav__mobile-cta {
  margin-top: var(--space-3);
}

/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--gradient-hero);
  overflow: hidden;
  padding: calc(var(--nav-height) + var(--space-7)) 0 var(--space-7);
}

.hero__bg-pattern {
  position: absolute;
  inset: 0;
  background-image: url('../images/hero-bg.svg');
  background-size: 800px;
  background-position: right center;
  background-repeat: no-repeat;
  opacity: 0.04;
  pointer-events: none;
}


.hero__glow {
  position: absolute;
  top: 20%;
  right: 10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(77, 184, 217, 0.1) 0%, transparent 70%);
  pointer-events: none;
  animation: glowPulse 6s ease-in-out infinite;
}

/* Hero Logo — centered top eyecatcher */
.hero__logo-top {
  display: flex;
  justify-content: center;
  position: relative;
  z-index: 2;
  margin-bottom: var(--space-5);
}

.hero__logo-top-img {
  width: 180px;
  height: auto;
  filter: drop-shadow(0 0 40px rgba(77, 184, 217, 0.3));
  animation: logoFloat 4s ease-in-out infinite;
}

@media (min-width: 1024px) {
  .hero__logo-top-img {
    width: 220px;
  }
}

@keyframes logoFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

@keyframes glowPulse {
  0%, 100% { opacity: 0.5; transform: scale(1); }
  50% { opacity: 0.9; transform: scale(1.1); }
}

.hero__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-7);
  position: relative;
  z-index: 2;
}

@media (min-width: 1024px) {
  .hero__inner {
    grid-template-columns: 1.4fr 0.6fr;
    align-items: center;
    gap: var(--space-6);
  }
}

.hero__eyebrow {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--cyan-400);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}

.hero__eyebrow::before {
  content: '';
  display: inline-block;
  width: 32px;
  height: 2px;
  background: var(--gradient-primary);
  border-radius: 1px;
}

.hero__title {
  color: var(--white);
  margin-bottom: var(--space-4);
  line-height: 1.1;
}

.hero__title-accent {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__title-highlight {
  color: var(--cyan-300);
  font-style: italic;
}

.hero__subtitle {
  font-size: 1.125rem;
  color: rgba(255, 255, 255, 0.65);
  line-height: 1.8;
  margin-bottom: var(--space-5);
  max-width: 540px;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

/* Hero Stats */
.hero__stats {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

@media (max-width: 1023px) {
  .hero__stats {
    flex-direction: row;
    overflow-x: auto;
    padding-bottom: var(--space-3);
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }

  .hero__stats::-webkit-scrollbar {
    display: none;
  }
}

.hero__stat-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--border-radius-lg);
  padding: var(--space-4) var(--space-5);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  min-width: 200px;
  transition: all var(--transition-base);
}

.hero__stat-card:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(77, 184, 217, 0.2);
  transform: translateY(-4px);
}

.hero__stat-card--accent {
  border-color: rgba(77, 184, 217, 0.25);
  background: rgba(77, 184, 217, 0.08);
}

.hero__stat-number {
  font-family: var(--font-mono);
  font-size: clamp(2.5rem, 4vw, 3.25rem);
  font-weight: 700;
  color: var(--white);
  line-height: 1;
  display: block;
  margin-bottom: var(--space-2);
}

.hero__stat-card--accent .hero__stat-number {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__stat-label {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.5);
  line-height: 1.4;
}

/* Scroll indicator */
.hero__scroll-indicator {
  position: absolute;
  bottom: var(--space-5);
  left: 50%;
  transform: translateX(-50%);
}

.hero__scroll-line {
  width: 1px;
  height: 60px;
  background: linear-gradient(to bottom, var(--cyan-400), transparent);
  animation: scrollLine 2s ease-in-out infinite;
}

@keyframes scrollLine {
  0% { opacity: 0; transform: scaleY(0); transform-origin: top; }
  50% { opacity: 1; transform: scaleY(1); transform-origin: top; }
  51% { transform-origin: bottom; }
  100% { opacity: 0; transform: scaleY(0); transform-origin: bottom; }
}

/* ===== Challenge Section ===== */
.challenge {
  padding: var(--space-9) 0;
  background: var(--gray-50);
  position: relative;
}

.challenge::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gray-200), transparent);
}

.challenge__header {
  text-align: center;
  margin-bottom: var(--space-7);
}

.challenge__header .section-label {
  justify-content: center;
}

.challenge__title {
  margin-bottom: var(--space-3);
}

.challenge__subtitle {
  max-width: 640px;
  margin: 0 auto;
  font-size: 1.0625rem;
}

/* Comparison cards */
.challenge__comparison {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
  margin-bottom: var(--space-7);
}

@media (min-width: 768px) {
  .challenge__comparison {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-5);
  }
}

.challenge__card {
  padding: var(--space-5) var(--space-4);
  border-radius: var(--border-radius-lg);
  border: 1px solid;
  position: relative;
  overflow: hidden;
}

.challenge__card--problem {
  background: linear-gradient(135deg, rgba(239, 68, 68, 0.03) 0%, var(--white) 100%);
  border-color: rgba(239, 68, 68, 0.12);
}

.challenge__card--solution {
  background: linear-gradient(135deg, rgba(77, 184, 217, 0.05) 0%, var(--white) 100%);
  border-color: rgba(77, 184, 217, 0.2);
  box-shadow: 0 8px 40px rgba(77, 184, 217, 0.08);
}

.challenge__card-header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.challenge__card-header h3 {
  font-size: 1.25rem;
}

.challenge__card-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.challenge__card-icon--problem {
  background: rgba(239, 68, 68, 0.1);
  color: var(--danger);
}

.challenge__card-icon--solution {
  background: rgba(77, 184, 217, 0.1);
  color: var(--cyan-400);
}

.challenge__list li {
  position: relative;
  padding-left: var(--space-4);
  margin-bottom: var(--space-3);
  font-size: 0.9375rem;
  line-height: 1.6;
}

.challenge__list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
}

.challenge__card--problem .challenge__list li::before {
  background: rgba(239, 68, 68, 0.4);
}

.challenge__card--solution .challenge__list li::before {
  background: var(--cyan-400);
}

/* Stats bar */
.challenge__stats {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-5);
  background: var(--gradient-hero);
  border-radius: var(--border-radius-lg);
  padding: var(--space-6) var(--space-5);
  position: relative;
  overflow: hidden;
}

.challenge__stats::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-glow);
  pointer-events: none;
}

@media (min-width: 768px) {
  .challenge__stats {
    flex-direction: row;
    justify-content: center;
  }
}

.challenge__stat {
  text-align: center;
  position: relative;
  z-index: 1;
}

.challenge__stat-number {
  font-family: var(--font-mono);
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 700;
  color: var(--white);
  display: block;
  line-height: 1;
  margin-bottom: var(--space-1);
}

.challenge__stat-label {
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.55);
}

.challenge__stat-divider {
  width: 40px;
  height: 1px;
  background: rgba(255, 255, 255, 0.15);
}

@media (min-width: 768px) {
  .challenge__stat-divider {
    width: 1px;
    height: 50px;
  }
}

/* ===== Services Section ===== */
.services {
  padding: var(--space-9) 0;
  background: var(--white);
}

.services__header {
  text-align: center;
  margin-bottom: var(--space-7);
}

.services__header .section-label {
  justify-content: center;
}

.services__header p {
  max-width: 560px;
  margin: var(--space-3) auto 0;
}

.services__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}

@media (min-width: 640px) {
  .services__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .services__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.services__card {
  padding: var(--space-5);
  border-radius: var(--border-radius-lg);
  border: 1px solid var(--gray-200);
  background: var(--white);
  transition: all var(--transition-base);
  position: relative;
}

.services__card::before {
  content: '';
  position: absolute;
  top: 0;
  left: var(--space-5);
  right: var(--space-5);
  height: 3px;
  background: var(--gradient-primary);
  border-radius: 0 0 3px 3px;
  opacity: 0;
  transition: opacity var(--transition-base);
}

.services__card:hover {
  transform: translateY(-6px);
  border-color: rgba(77, 184, 217, 0.2);
  box-shadow: 0 20px 60px rgba(15, 27, 48, 0.08),
              0 4px 20px rgba(77, 184, 217, 0.06);
}

.services__card:hover::before {
  opacity: 1;
}

.services__card-hex {
  width: 56px;
  height: 52px;
  background: linear-gradient(135deg, rgba(52, 144, 220, 0.08), rgba(77, 184, 217, 0.12));
  clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--cyan-400);
  margin-bottom: var(--space-4);
  transition: all var(--transition-base);
}

.services__card:hover .services__card-hex {
  background: linear-gradient(135deg, rgba(52, 144, 220, 0.15), rgba(77, 184, 217, 0.2));
  transform: scale(1.05);
}

.services__card h3 {
  margin-bottom: var(--space-2);
}

.services__card p {
  font-size: 0.9375rem;
  color: var(--gray-500);
}

/* ===== Why Now Section ===== */
.why-now {
  padding: var(--space-9) 0;
  background: var(--gradient-hero);
  position: relative;
  overflow: hidden;
}

.why-now__bg-hex {
  position: absolute;
  bottom: -100px;
  left: -100px;
  width: 500px;
  height: 500px;
  background-image: url('../images/hero-bg.svg');
  background-size: contain;
  background-repeat: no-repeat;
  opacity: 0.03;
  pointer-events: none;
}

.why-now__header {
  text-align: center;
  margin-bottom: var(--space-8);
}

.why-now__header h2 {
  color: var(--white);
}

/* Timeline */
.why-now__timeline {
  max-width: 700px;
  margin: 0 auto var(--space-7);
  position: relative;
  padding-left: var(--space-7);
}

.why-now__timeline-line {
  position: absolute;
  left: 15px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--cyan-400), rgba(77, 184, 217, 0.15));
}

.why-now__step {
  position: relative;
  margin-bottom: var(--space-6);
}

.why-now__step:last-child {
  margin-bottom: 0;
}

.why-now__step-marker {
  position: absolute;
  left: calc(-1 * var(--space-7) + 8px);
  top: var(--space-1);
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.2);
  background: var(--navy-800);
  z-index: 1;
}

.why-now__step-marker--active {
  border-color: var(--cyan-400);
  background: var(--cyan-400);
  box-shadow: 0 0 16px rgba(77, 184, 217, 0.4);
}

.why-now__step-marker--current {
  border-color: var(--cyan-300);
  background: var(--navy-800);
  animation: markerPulse 2s ease-in-out infinite;
}

@keyframes markerPulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(109, 213, 237, 0.4); }
  50% { box-shadow: 0 0 0 8px rgba(109, 213, 237, 0); }
}

.why-now__step-content {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--border-radius);
  padding: var(--space-4);
}

.why-now__step-badge {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--gray-400);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-2);
}

.why-now__step-badge--highlight {
  color: var(--cyan-300);
  position: relative;
}

.why-now__step h3 {
  color: var(--white);
  margin-bottom: var(--space-2);
}

.why-now__step p {
  font-size: 0.9375rem;
  color: rgba(255, 255, 255, 0.55);
  margin-bottom: var(--space-3);
}

.why-now__step-metric {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-1) var(--space-3);
  border-radius: 100px;
  font-size: 0.8125rem;
}

.why-now__step-metric--green {
  background: rgba(34, 197, 94, 0.1);
  color: var(--success);
}

.why-now__step-metric--yellow {
  background: rgba(234, 179, 8, 0.1);
  color: var(--warning);
}

.why-now__step-metric--red {
  background: rgba(239, 68, 68, 0.1);
  color: var(--danger);
}

.why-now__step-metric-value {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1rem;
}

.why-now__step-metric-label {
  font-size: 0.8125rem;
}

/* Callout */
.why-now__callout {
  max-width: 700px;
  margin: 0 auto;
  display: flex;
  gap: 0;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(77, 184, 217, 0.15);
  border-radius: var(--border-radius);
  overflow: hidden;
}

.why-now__callout-accent {
  width: 4px;
  flex-shrink: 0;
  background: var(--gradient-primary);
}

.why-now__callout-content {
  padding: var(--space-4) var(--space-5);
}

.why-now__callout h3 {
  color: var(--cyan-300);
  font-size: 1.125rem;
  margin-bottom: var(--space-2);
}

.why-now__callout p {
  font-size: 0.9375rem;
  color: rgba(255, 255, 255, 0.55);
  line-height: 1.7;
}

/* ===== Approach Section ===== */
.approach {
  padding: var(--space-9) 0;
  background: var(--white);
  position: relative;
}

.approach::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gray-200), transparent);
}

.approach__header {
  text-align: center;
  margin-bottom: var(--space-7);
}

.approach__header .section-label {
  justify-content: center;
}

.approach__steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
}

@media (min-width: 768px) {
  .approach__steps {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-5);
  }
}

.approach__step {
  text-align: center;
  position: relative;
  padding: var(--space-5);
  border-radius: var(--border-radius-lg);
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  transition: all var(--transition-base);
}

.approach__step:hover {
  background: var(--white);
  border-color: rgba(77, 184, 217, 0.2);
  box-shadow: 0 12px 40px rgba(15, 27, 48, 0.06);
  transform: translateY(-4px);
}

.approach__step-number {
  font-family: var(--font-mono);
  font-size: 3rem;
  font-weight: 700;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: var(--space-3);
  opacity: 0.5;
}

.approach__step:hover .approach__step-number {
  opacity: 1;
}

.approach__step-connector {
  display: none;
}

@media (min-width: 768px) {
  .approach__step-connector {
    display: block;
    position: absolute;
    top: 50%;
    right: -1.5rem;
    width: 3rem;
    height: 2px;
    background: linear-gradient(90deg, var(--gray-300), transparent);
  }

  .approach__step:last-child .approach__step-connector {
    display: none;
  }
}

.approach__step h3 {
  margin-bottom: var(--space-2);
}

.approach__step p {
  font-size: 0.9375rem;
  color: var(--gray-500);
}

/* ===== Contact Section ===== */
.contact {
  background: var(--gray-50);
}

.contact__inner {
  display: grid;
  grid-template-columns: 1fr;
}

@media (min-width: 768px) {
  .contact__inner {
    grid-template-columns: 0.45fr 0.55fr;
  }
}

.contact__info {
  background: var(--gradient-hero);
  padding: var(--space-8) var(--space-5);
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.contact__info::after {
  content: '';
  position: absolute;
  bottom: -80px;
  right: -80px;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(77, 184, 217, 0.08), transparent 70%);
  pointer-events: none;
}

@media (min-width: 768px) {
  .contact__info {
    padding: var(--space-8) var(--space-7);
  }
}

.contact__info-content {
  position: relative;
  z-index: 1;
}

.contact__info h2 {
  color: var(--white);
  margin-bottom: var(--space-3);
}

.contact__info p {
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: var(--space-6);
  max-width: 400px;
}

.contact__details {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.contact__detail {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9375rem;
}

.contact__detail svg {
  color: var(--cyan-400);
  flex-shrink: 0;
}

.contact__detail a {
  transition: color var(--transition-fast);
}

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

/* Form */
.contact__form-wrapper {
  padding: var(--space-7) var(--space-5);
  background: var(--white);
}

@media (min-width: 768px) {
  .contact__form-wrapper {
    padding: var(--space-7);
  }
}

.contact__form {
  max-width: 480px;
}

.contact__form-group {
  margin-bottom: var(--space-4);
}

.contact__form-group label {
  display: block;
  font-family: var(--font-display);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--gray-700);
  margin-bottom: var(--space-2);
  letter-spacing: 0.01em;
}

.contact__form-group input,
.contact__form-group textarea {
  width: 100%;
  padding: 0.875rem var(--space-3);
  border: 1.5px solid var(--gray-200);
  border-radius: var(--border-radius-sm);
  background: var(--gray-50);
  color: var(--gray-800);
  transition: all var(--transition-fast);
  outline: none;
}

.contact__form-group input:focus,
.contact__form-group textarea:focus {
  border-color: var(--cyan-400);
  background: var(--white);
  box-shadow: 0 0 0 3px rgba(77, 184, 217, 0.1);
}

.contact__form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.contact__form-checkbox {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  margin-bottom: var(--space-5);
}

.contact__form-checkbox input[type="checkbox"] {
  width: 18px;
  height: 18px;
  margin-top: 3px;
  accent-color: var(--cyan-400);
  flex-shrink: 0;
}

.contact__form-checkbox label {
  font-size: 0.8125rem;
  color: var(--gray-500);
  line-height: 1.5;
}

.contact__form-checkbox a {
  color: var(--cyan-400);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.contact__form-checkbox a:hover {
  color: var(--blue-500);
}

.contact__form .btn--primary {
  background: var(--gradient-primary);
}

/* ===== Footer ===== */
.footer {
  background: var(--navy-950);
  padding: var(--space-7) 0 var(--space-5);
}

.footer__top {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-5);
  margin-bottom: var(--space-5);
}

@media (min-width: 768px) {
  .footer__top {
    flex-direction: row;
    justify-content: space-between;
  }
}

.footer__brand {
  text-align: center;
}

@media (min-width: 768px) {
  .footer__brand {
    text-align: left;
  }
}

.footer__logo {
  height: 34px;
  width: auto;
  margin-bottom: var(--space-2);
}

@media (min-width: 768px) {
  .footer__logo {
    margin-bottom: var(--space-2);
  }
}

.footer__tagline {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.4);
}

.footer__nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-4);
}

.footer__nav a {
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.5);
  transition: color var(--transition-fast);
}

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

.footer__divider {
  height: 1px;
  background: rgba(255, 255, 255, 0.06);
  margin-bottom: var(--space-5);
}

.footer__bottom {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.3);
}

@media (min-width: 768px) {
  .footer__bottom {
    flex-direction: row;
    justify-content: space-between;
  }
}

.footer__legal {
  display: flex;
  gap: var(--space-4);
}

.footer__legal a {
  color: rgba(255, 255, 255, 0.3);
  transition: color var(--transition-fast);
}

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

/* ===== Use Cases Section ===== */
.usecases {
  padding: var(--space-9) 0;
  background: var(--navy-950);
  position: relative;
  overflow: hidden;
}

.usecases::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(77, 184, 217, 0.2), transparent);
}

.usecases__header {
  text-align: center;
  margin-bottom: var(--space-6);
}

.usecases__header .section-label {
  justify-content: center;
  color: var(--cyan-400);
}

.usecases__header h2 {
  color: var(--white);
  margin-bottom: var(--space-3);
}

.usecases__header p {
  max-width: 600px;
  margin: 0 auto;
  color: rgba(255, 255, 255, 0.5);
  font-size: 1rem;
}

/* Insight Box */
.usecases__insight {
  display: flex;
  gap: 0;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(77, 184, 217, 0.15);
  border-radius: var(--border-radius);
  overflow: hidden;
  max-width: 800px;
  margin: 0 auto var(--space-6);
}

.usecases__insight-accent {
  width: 4px;
  flex-shrink: 0;
  background: var(--gradient-primary);
}

.usecases__insight-content {
  padding: var(--space-4) var(--space-5);
}

.usecases__insight-tag {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cyan-400);
  display: block;
  margin-bottom: var(--space-2);
}

.usecases__insight-content p {
  font-size: 0.9375rem;
  color: rgba(255, 255, 255, 0.55);
  line-height: 1.7;
}

.usecases__insight-content strong {
  color: var(--white);
}

/* Tab Navigation */
.usecases__tabs {
  display: flex;
  gap: 4px;
  margin-bottom: var(--space-6);
  overflow-x: auto;
  padding-bottom: 4px;
  scrollbar-width: none;
  justify-content: center;
  flex-wrap: wrap;
}

.usecases__tabs::-webkit-scrollbar {
  display: none;
}

.usecases__tab {
  flex-shrink: 0;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.4);
  padding: 0.625rem 1.25rem;
  border-radius: var(--border-radius-sm);
  cursor: pointer;
  font-family: var(--font-display);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  transition: all 0.2s var(--ease-out);
  white-space: nowrap;
}

.usecases__tab:hover {
  color: rgba(255, 255, 255, 0.7);
  border-color: rgba(255, 255, 255, 0.2);
}

.usecases__tab--active {
  background: var(--gradient-primary);
  color: var(--white);
  border-color: transparent;
  box-shadow: 0 4px 16px rgba(77, 184, 217, 0.25);
}

/* Tab Panels */
.usecases__panel {
  display: none;
  animation: ucFadeIn 0.35s ease forwards;
}

.usecases__panel--active {
  display: block;
}

@keyframes ucFadeIn {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Problem / Solution Comparison */
.usecases__comparison {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
  margin-bottom: var(--space-5);
}

@media (min-width: 768px) {
  .usecases__comparison {
    grid-template-columns: 1fr 1fr;
  }
}

.usecases__card {
  padding: var(--space-4);
  border-radius: var(--border-radius);
  border: 1px solid rgba(255, 255, 255, 0.06);
  background: rgba(255, 255, 255, 0.02);
}

.usecases__card--problem {
  border-left: 3px solid var(--danger);
}

.usecases__card--solution {
  border-left: 3px solid var(--cyan-400);
}

.usecases__card-title {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: var(--space-3);
}

.usecases__card-title--problem {
  color: var(--danger);
}

.usecases__card-title--solution {
  color: var(--cyan-400);
}

.usecases__card-list {
  list-style: none;
}

.usecases__card-list li {
  position: relative;
  padding-left: var(--space-3);
  margin-bottom: var(--space-2);
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.55);
  line-height: 1.6;
}

.usecases__card-list li:last-child {
  margin-bottom: 0;
}

.usecases__card-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 5px;
  height: 5px;
  border-radius: 50%;
}

.usecases__card--problem .usecases__card-list li::before {
  background: rgba(239, 68, 68, 0.5);
}

.usecases__card--solution .usecases__card-list li::before {
  background: var(--cyan-400);
}

/* Process Flow */
.usecases__flow {
  margin-bottom: var(--space-5);
}

.usecases__flow-title {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.3);
  margin-bottom: var(--space-3);
}

.usecases__flow-steps {
  display: flex;
  align-items: stretch;
  gap: 0;
  overflow-x: auto;
  padding-bottom: var(--space-2);
  scrollbar-width: none;
}

.usecases__flow-steps::-webkit-scrollbar {
  display: none;
}

.usecases__flow-step {
  flex: 1;
  min-width: 140px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--border-radius-sm);
  padding: var(--space-3);
  cursor: pointer;
  transition: all 0.2s var(--ease-out);
  position: relative;
  display: flex;
  flex-direction: column;
}

.usecases__flow-step:hover {
  border-color: rgba(77, 184, 217, 0.3);
  background: rgba(77, 184, 217, 0.05);
}

.usecases__flow-step.active {
  border-color: var(--cyan-400);
  background: rgba(77, 184, 217, 0.08);
  box-shadow: 0 0 20px rgba(77, 184, 217, 0.1);
}

.usecases__flow-icon {
  font-size: 1.25rem;
  display: block;
  margin-bottom: var(--space-1);
  line-height: 1;
}

.usecases__flow-num {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  color: rgba(255, 255, 255, 0.2);
  letter-spacing: 0.1em;
  margin-bottom: var(--space-1);
}

.usecases__flow-step.active .usecases__flow-num {
  color: var(--cyan-400);
}

.usecases__flow-step strong {
  font-size: 0.8125rem;
  color: var(--white);
  display: block;
  margin-bottom: 2px;
}

.usecases__flow-desc {
  font-size: 0.6875rem;
  color: rgba(255, 255, 255, 0.3);
  line-height: 1.4;
}

.usecases__flow-step.active .usecases__flow-desc {
  color: rgba(255, 255, 255, 0.5);
}

/* Flow step detail tooltip */
.usecases__flow-detail {
  display: none;
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  right: 0;
  background: var(--navy-800);
  border: 1px solid var(--cyan-400);
  border-radius: var(--border-radius-sm);
  padding: var(--space-2) var(--space-3);
  z-index: 10;
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.6;
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.5);
}

.usecases__flow-step.active .usecases__flow-detail {
  display: block;
}

.usecases__flow-arrow {
  width: 24px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.15);
  font-size: 1.125rem;
}

/* Tech Stack */
.usecases__stack {
  margin-bottom: var(--space-5);
}

.usecases__stack-title {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.3);
  margin-bottom: var(--space-3);
}

.usecases__stack-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.usecases__tag {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  padding: 4px 12px;
  border-radius: 4px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.35);
  letter-spacing: 0.03em;
  transition: all 0.15s var(--ease-out);
}

.usecases__tag:hover {
  border-color: rgba(77, 184, 217, 0.4);
  color: var(--cyan-400);
}

/* Metrics */
.usecases__metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--border-radius-sm);
  overflow: hidden;
  margin-bottom: var(--space-4);
}

@media (max-width: 540px) {
  .usecases__metrics {
    grid-template-columns: 1fr;
  }
}

.usecases__metric {
  background: rgba(15, 27, 48, 0.8);
  padding: var(--space-4) var(--space-3);
  display: flex;
  flex-direction: column;
}

.usecases__metric-val {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--cyan-400);
  line-height: 1;
  margin-bottom: var(--space-1);
}

.usecases__metric-lbl {
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.4);
  line-height: 1.4;
}

.usecases__metric-src {
  font-family: var(--font-mono);
  font-size: 0.5625rem;
  color: rgba(255, 255, 255, 0.2);
  margin-top: 4px;
}

/* Sources */
.usecases__sources {
  text-align: center;
  margin-top: var(--space-5);
}

.usecases__sources p {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: rgba(255, 255, 255, 0.2);
  letter-spacing: 0.04em;
}

/* ===== Approach Section Updates (5-step grid) ===== */
@media (min-width: 768px) {
  .approach__steps--five {
    grid-template-columns: repeat(5, 1fr);
    gap: var(--space-3);
  }
}

@media (min-width: 768px) and (max-width: 1023px) {
  .approach__steps--five {
    grid-template-columns: repeat(3, 1fr);
  }
}

.approach__header p {
  max-width: 500px;
  margin: var(--space-3) auto 0;
  font-size: 1rem;
}

/* Approach Metrics Bar */
.approach__metrics {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-5);
  background: var(--gradient-hero);
  border-radius: var(--border-radius-lg);
  padding: var(--space-5) var(--space-4);
  margin-top: var(--space-7);
  position: relative;
  overflow: hidden;
}

.approach__metrics::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-glow);
  pointer-events: none;
}

@media (min-width: 768px) {
  .approach__metrics {
    flex-direction: row;
    justify-content: center;
  }
}

.approach__metric {
  text-align: center;
  position: relative;
  z-index: 1;
}

.approach__metric-val {
  font-family: var(--font-mono);
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  font-weight: 700;
  color: var(--white);
  display: block;
  line-height: 1;
  margin-bottom: var(--space-1);
}

.approach__metric-lbl {
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.5);
}

.approach__metric-divider {
  width: 40px;
  height: 1px;
  background: rgba(255, 255, 255, 0.15);
}

@media (min-width: 768px) {
  .approach__metric-divider {
    width: 1px;
    height: 50px;
  }
}

/* ===== Scroll Reveal Animations ===== */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity 0.8s var(--ease-out),
    transform 0.8s var(--ease-out);
  transition-delay: var(--delay, 0s);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== Reduced Motion ===== */
@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;
  }

  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .hero__glow {
    animation: none;
    opacity: 0.6;
  }

  .why-now__step-marker--current {
    animation: none;
  }

  .hero__scroll-line {
    animation: none;
    opacity: 0.5;
  }
}

/* ===== Focus Visible ===== */
:focus-visible {
  outline: 2px solid var(--cyan-400);
  outline-offset: 2px;
}

button:focus-visible,
a:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--cyan-400);
  outline-offset: 2px;
}