/* ============================================
   OPERANT WORKS — style.css
   Dark Navy (#0A0F1E) + Electric Blue (#2563EB)
   ============================================ */

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

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

:root {
  --bg-primary: #0A0F1E;
  --bg-secondary: #0D1526;
  --bg-card: #111827;
  --bg-card-hover: #161E30;
  --blue: #2563EB;
  --blue-light: #3B82F6;
  --blue-glow: rgba(37, 99, 235, 0.15);
  --blue-border: rgba(37, 99, 235, 0.3);
  --text-primary: #F9FAFB;
  --text-secondary: #9CA3AF;
  --text-muted: #6B7280;
  --border: rgba(255, 255, 255, 0.07);
  --border-strong: rgba(255, 255, 255, 0.12);
  --gradient-blue: linear-gradient(135deg, #2563EB, #1D4ED8);
  --gradient-glow: radial-gradient(ellipse at 50% 0%, rgba(37, 99, 235, 0.2) 0%, transparent 70%);
  --font-main: 'Inter', sans-serif;
  --font-display: 'DM Sans', sans-serif;
  --radius: 12px;
  --radius-lg: 20px;
  --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.4);
  --shadow-blue: 0 0 40px rgba(37, 99, 235, 0.25);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-main);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ---- Typography ---- */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.4rem, 5vw, 4rem); }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.8rem); }
h3 { font-size: clamp(1.2rem, 2vw, 1.5rem); }

p {
  color: var(--text-secondary);
  font-size: 1.0625rem;
  line-height: 1.75;
}

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

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

/* ---- Layout ---- */
.container {
  width: 100%;
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
}

section {
  padding: 100px 0;
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 8px;
  font-family: var(--font-main);
  font-size: 0.9375rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  outline: none;
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background: var(--gradient-blue);
  color: #fff;
  box-shadow: 0 4px 20px rgba(37, 99, 235, 0.4);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(37, 99, 235, 0.55);
}

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: 1.5px solid var(--border-strong);
}

.btn-outline:hover {
  border-color: var(--blue);
  color: var(--blue-light);
  background: var(--blue-glow);
}

.btn-lg {
  padding: 18px 36px;
  font-size: 1.0625rem;
}

/* ---- Labels ---- */
.label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: 100px;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  background: var(--blue-glow);
  border: 1px solid var(--blue-border);
  color: var(--blue-light);
  margin-bottom: 20px;
}

/* ---- Section Heading ---- */
.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 64px;
}

.section-header h2 {
  margin-bottom: 16px;
}

.section-header p {
  font-size: 1.125rem;
}

/* ===========================
   NAVIGATION
=========================== */
nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 0;
  transition: var(--transition);
}

nav.scrolled {
  background: rgba(10, 15, 30, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 4px 32px rgba(0, 0, 0, 0.3);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

.nav-logo .logo-mark {
  width: 34px;
  height: 34px;
  background: var(--gradient-blue);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  font-weight: 800;
  color: #fff;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
  list-style: none;
}

.nav-links a {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color 0.2s;
}

.nav-links a:hover {
  color: var(--text-primary);
}

.nav-cta {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  border: none;
  background: none;
}

.nav-hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: var(--transition);
}

.nav-hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; }
.nav-hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile nav */
.nav-mobile {
  display: none;
  position: fixed;
  top: 72px;
  left: 0;
  right: 0;
  background: rgba(10, 15, 30, 0.98);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  padding: 24px;
  flex-direction: column;
  gap: 8px;
  z-index: 999;
}

.nav-mobile.open { display: flex; }

.nav-mobile a {
  padding: 14px 16px;
  color: var(--text-secondary);
  font-weight: 500;
  border-radius: 8px;
  transition: var(--transition);
}

.nav-mobile a:hover {
  color: var(--text-primary);
  background: var(--blue-glow);
}

.nav-mobile .btn {
  margin-top: 8px;
  justify-content: center;
}

/* ===========================
   HERO
=========================== */
#hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: 72px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: 
    radial-gradient(ellipse at 30% 20%, rgba(37, 99, 235, 0.18) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 80%, rgba(37, 99, 235, 0.08) 0%, transparent 50%);
  pointer-events: none;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(rgba(37, 99, 235, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(37, 99, 235, 0.06) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
  mask-image: radial-gradient(ellipse at center, black 0%, transparent 70%);
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 860px;
}

.hero-content .label {
  margin-bottom: 28px;
}

.hero-content h1 {
  font-weight: 800;
  margin-bottom: 24px;
  color: var(--text-primary);
}

.hero-content h1 span {
  background: linear-gradient(135deg, #60A5FA, #2563EB);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  max-width: 600px;
  margin-bottom: 40px;
  color: var(--text-secondary);
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 40px;
  margin-top: 64px;
  padding-top: 48px;
  border-top: 1px solid var(--border);
  flex-wrap: wrap;
}

.stat-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.stat-num {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.03em;
}

.stat-num span { color: var(--blue-light); }

.stat-label {
  font-size: 0.875rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* ===========================
   PROBLEM SECTION
=========================== */
#problem {
  background: var(--bg-secondary);
  position: relative;
}

#problem::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--blue-border), transparent);
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  margin-top: 48px;
}

.problem-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.problem-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient-blue);
  opacity: 0;
  transition: opacity 0.3s;
}

.problem-card:hover {
  border-color: var(--blue-border);
  transform: translateY(-4px);
  background: var(--bg-card-hover);
}

.problem-card:hover::before {
  opacity: 1;
}

.problem-icon {
  width: 48px;
  height: 48px;
  background: var(--blue-glow);
  border: 1px solid var(--blue-border);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 20px;
}

.problem-card h3 {
  font-size: 1.1rem;
  margin-bottom: 10px;
  color: var(--text-primary);
}

.problem-card p {
  font-size: 0.9375rem;
  color: var(--text-muted);
}

/* ===========================
   HOW IT WORKS
=========================== */
#how-it-works {
  position: relative;
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  position: relative;
}

.steps-grid::before {
  content: '';
  position: absolute;
  top: 48px;
  left: calc(16.67% + 24px);
  right: calc(16.67% + 24px);
  height: 1px;
  background: linear-gradient(90deg, var(--blue), transparent 50%, var(--blue));
  opacity: 0.4;
}

.step-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  text-align: center;
  transition: var(--transition);
  position: relative;
}

.step-card:hover {
  border-color: var(--blue-border);
  box-shadow: var(--shadow-blue);
  transform: translateY(-6px);
}

.step-number {
  width: 56px;
  height: 56px;
  background: var(--gradient-blue);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 800;
  color: #fff;
  margin: 0 auto 24px;
  box-shadow: 0 4px 20px rgba(37, 99, 235, 0.4);
}

.step-card h3 {
  margin-bottom: 12px;
  color: var(--text-primary);
}

.step-card p {
  font-size: 0.9375rem;
  color: var(--text-muted);
}

/* ===========================
   PRICING
=========================== */
#pricing {
  background: var(--bg-secondary);
}

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

.pricing-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  transition: var(--transition);
  position: relative;
}

.pricing-card.featured {
  background: var(--bg-card-hover);
  border-color: var(--blue);
  box-shadow: var(--shadow-blue), 0 0 0 1px var(--blue);
  transform: scale(1.03);
}

.pricing-card:hover {
  transform: translateY(-6px);
  border-color: var(--blue-border);
}

.pricing-card.featured:hover {
  transform: scale(1.03) translateY(-6px);
}

.featured-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--gradient-blue);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 5px 20px;
  border-radius: 100px;
  white-space: nowrap;
}

.pricing-tier {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--blue-light);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.pricing-setup {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.pricing-price {
  display: flex;
  align-items: flex-end;
  gap: 4px;
  margin-bottom: 6px;
}

.price-currency {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-secondary);
  line-height: 1.8;
}

.price-amount {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.04em;
  line-height: 1;
}

.price-period {
  font-size: 0.9375rem;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.pricing-best-for {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 28px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--border);
}

.pricing-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 32px;
}

.pricing-features li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.9375rem;
  color: var(--text-secondary);
}

.pricing-features li::before {
  content: '✓';
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  min-width: 20px;
  background: var(--blue-glow);
  border: 1px solid var(--blue-border);
  border-radius: 50%;
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--blue-light);
}

.pricing-card .btn {
  width: 100%;
  justify-content: center;
}

/* ===========================
   INDUSTRIES
=========================== */
#industries {
  position: relative;
}

.industries-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
}

.industry-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 20px;
  text-align: center;
  transition: var(--transition);
  cursor: default;
}

.industry-card:hover {
  border-color: var(--blue-border);
  background: var(--bg-card-hover);
  transform: translateY(-4px);
}

.industry-icon {
  font-size: 2.5rem;
  margin-bottom: 14px;
}

.industry-card h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.industry-card p {
  font-size: 0.825rem;
  color: var(--text-muted);
}

/* ===========================
   ABOUT / ORIGIN STORY
=========================== */
#about {
  background: var(--bg-secondary);
}

.about-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.about-content .label {
  margin-bottom: 24px;
}

.about-content h2 {
  margin-bottom: 28px;
  color: var(--text-primary);
}

.about-story p {
  margin-bottom: 20px;
  font-size: 1.0625rem;
  line-height: 1.8;
  color: var(--text-secondary);
}

.about-story p:last-child {
  margin-bottom: 0;
}

.about-story strong {
  color: var(--text-primary);
  font-weight: 600;
}

.about-visual {
  position: relative;
}

.about-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px;
}

.about-card-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 28px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border);
}

.about-card-icon {
  width: 48px;
  height: 48px;
  background: var(--gradient-blue);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
}

.about-card-title {
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--text-primary);
}

.about-card-sub {
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-top: 2px;
}

.about-metrics {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

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

.metric-label {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.metric-bar-wrap {
  flex: 1;
  margin: 0 20px;
  height: 6px;
  background: var(--border);
  border-radius: 3px;
  overflow: hidden;
}

.metric-bar {
  height: 100%;
  background: var(--gradient-blue);
  border-radius: 3px;
  transition: width 1.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.metric-value {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--blue-light);
  min-width: 40px;
  text-align: right;
}

/* ===========================
   TESTIMONIALS
=========================== */
#testimonials {
  position: relative;
  overflow: hidden;
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.testimonial-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: var(--transition);
}

.testimonial-card:hover {
  border-color: var(--blue-border);
  transform: translateY(-4px);
}

.stars {
  display: flex;
  gap: 4px;
  margin-bottom: 16px;
}

.stars span {
  color: #F59E0B;
  font-size: 1rem;
}

.testimonial-text {
  font-size: 1rem;
  line-height: 1.75;
  color: var(--text-secondary);
  margin-bottom: 24px;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 14px;
}

.author-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--gradient-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1rem;
  color: #fff;
  flex-shrink: 0;
}

.author-name {
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--text-primary);
}

.author-role {
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-top: 2px;
}

/* ===========================
   FAQ
=========================== */
#faq {
  background: var(--bg-secondary);
}

.faq-grid {
  max-width: 760px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color 0.3s;
}

.faq-item.open {
  border-color: var(--blue-border);
}

.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 22px 24px;
  cursor: pointer;
  user-select: none;
  font-weight: 600;
  font-size: 1rem;
  color: var(--text-primary);
  gap: 16px;
}

.faq-question:hover {
  color: var(--blue-light);
}

.faq-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--blue-glow);
  border: 1px solid var(--blue-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  color: var(--blue-light);
  flex-shrink: 0;
  transition: var(--transition);
  line-height: 1;
}

.faq-item.open .faq-icon {
  transform: rotate(45deg);
  background: var(--blue);
  border-color: var(--blue);
  color: #fff;
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.3s;
}

.faq-item.open .faq-answer {
  max-height: 400px;
}

.faq-answer p {
  padding: 0 24px 24px;
  font-size: 0.9375rem;
  color: var(--text-muted);
  line-height: 1.75;
}

/* ===========================
   CONTACT
=========================== */
#contact {
  position: relative;
  overflow: hidden;
}

#contact::before {
  content: '';
  position: absolute;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(ellipse, rgba(37, 99, 235, 0.12) 0%, transparent 70%);
  pointer-events: none;
}

.contact-inner {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 72px;
  align-items: start;
}

.contact-info .label {
  margin-bottom: 20px;
}

.contact-info h2 {
  margin-bottom: 16px;
}

.contact-info > p {
  font-size: 1.0625rem;
  margin-bottom: 40px;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.contact-detail-item {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 0.9375rem;
  color: var(--text-secondary);
}

.contact-detail-item .detail-icon {
  width: 40px;
  height: 40px;
  background: var(--blue-glow);
  border: 1px solid var(--blue-border);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
}

/* Form */
.contact-form {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 20px;
}

.form-group label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.form-group input,
.form-group select,
.form-group textarea {
  background: var(--bg-primary);
  border: 1.5px solid var(--border-strong);
  border-radius: 8px;
  padding: 13px 16px;
  font-family: var(--font-main);
  font-size: 0.9375rem;
  color: var(--text-primary);
  transition: border-color 0.25s, box-shadow 0.25s;
  outline: none;
  width: 100%;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-muted);
}

.form-group select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%236B7280' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 40px;
}

.form-group select option {
  background: var(--bg-card);
  color: var(--text-primary);
}

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

.form-error {
  font-size: 0.8125rem;
  color: #EF4444;
  display: none;
}

.form-group.error input,
.form-group.error select,
.form-group.error textarea {
  border-color: #EF4444;
}

.form-group.error .form-error {
  display: block;
}

.form-submit-wrap {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.form-note {
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.form-success {
  display: none;
  text-align: center;
  padding: 40px;
}

.form-success .success-icon {
  font-size: 3rem;
  margin-bottom: 16px;
}

.form-success h3 {
  margin-bottom: 8px;
  color: var(--text-primary);
}

.form-success p {
  font-size: 0.9375rem;
  color: var(--text-muted);
}

/* ===========================
   FOOTER
=========================== */
footer {
  border-top: 1px solid var(--border);
  background: var(--bg-secondary);
  padding: 64px 0 40px;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand .nav-logo {
  margin-bottom: 16px;
}

.footer-brand > p {
  font-size: 0.9rem;
  color: var(--text-muted);
  max-width: 260px;
  line-height: 1.7;
  margin-bottom: 0;
}

.footer-col h4 {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 20px;
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-col ul li a {
  font-size: 0.9rem;
  color: var(--text-muted);
  transition: color 0.2s;
}

.footer-col ul li a:hover {
  color: var(--text-primary);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 32px;
  border-top: 1px solid var(--border);
  flex-wrap: wrap;
  gap: 12px;
}

.footer-copy {
  font-size: 0.875rem;
  color: var(--text-muted);
}

.footer-links {
  display: flex;
  gap: 24px;
}

.footer-links a {
  font-size: 0.875rem;
  color: var(--text-muted);
  transition: color 0.2s;
}

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

/* ===========================
   SCROLL REVEAL
=========================== */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1), transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }
.reveal-delay-5 { transition-delay: 0.5s; }

/* ===========================
   RESPONSIVE
=========================== */
@media (max-width: 1024px) {
  .steps-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .pricing-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
  }

  .pricing-card.featured {
    transform: scale(1.01);
  }

  .about-inner {
    gap: 48px;
  }

  .footer-inner {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
}

@media (max-width: 900px) {
  section { padding: 80px 0; }

  .steps-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .steps-grid::before { display: none; }

  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 440px;
    margin: 0 auto;
  }

  .pricing-card.featured {
    transform: none;
  }

  .about-inner {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .testimonials-grid {
    grid-template-columns: 1fr;
    max-width: 520px;
    margin: 0 auto;
  }

  .contact-inner {
    grid-template-columns: 1fr;
    gap: 48px;
  }
}

@media (max-width: 768px) {
  h1 { font-size: clamp(2rem, 6vw, 2.8rem); }

  .nav-links,
  .nav-cta {
    display: none;
  }

  .nav-hamburger {
    display: flex;
  }

  .hero-stats {
    gap: 24px;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .contact-form {
    padding: 28px 20px;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 32px;
  }

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

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  section { padding: 64px 0; }

  .hero-actions {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero-actions .btn {
    width: 100%;
    justify-content: center;
  }

  .problem-grid {
    grid-template-columns: 1fr;
  }

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