/* =========================================
   SupplyAi - Unified Website Stylesheet
   ========================================= */

/* --- 1. Design Tokens --- */
:root {
  --bg-deep: #050814;
  --bg-soft: #0a0f1d;
  --bg-card: rgba(15, 23, 42, 0.6);

  --accent-cyan: #00f2fe;
  --accent-blue: #4facfe;

  --text-main: #94a3b8;
  --text-heading: #ffffff;
  --glass-border: rgba(255, 255, 255, 0.08);
  --glow-cyan: 0 0 30px rgba(0, 242, 254, 0.2);
  --transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

/* --- 2. Reset & Base --- */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  color: var(--text-main);
  line-height: 1.7;
  background-color: var(--bg-deep);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

a {
  color: inherit;
}

.container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 2rem;
}

.bg-light {
  background-color: var(--bg-soft);
  border-top: 1px solid var(--glass-border);
  border-bottom: 1px solid var(--glass-border);
}

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

/* --- 3. Header / Navigation --- */
.main-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(5, 8, 20, 0.86);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--glass-border);
}

.nav-wrapper {
  display: flex;
  justify-content: space-between;
  align-items: center;
  min-height: 84px;
  gap: 32px;
}

.logo {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
  text-decoration: none;
  line-height: 0;
  overflow: hidden;
}

.logo-img {
  height: 60px;
  width: auto;
  max-width: none;
  object-fit: contain;
  display: block;
}

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

.nav-links a {
  color: #cbd5e1;
  text-decoration: none;
  font-size: 0.96rem;
  font-weight: 500;
  transition: var(--transition);
}

.nav-links a:hover,
.nav-links a.active:not(.nav-cta) {
  color: var(--accent-cyan);
  text-shadow: 0 0 15px rgba(0, 242, 254, 0.35);
}

.nav-links .nav-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 124px;
  height: 48px;
  padding: 0 1.6rem;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
  color: #000 !important;
  font-weight: 700;
  box-shadow: 0 4px 15px rgba(0, 242, 254, 0.28);
  border: none;
}

.nav-links .nav-cta:hover {
  box-shadow: 0 0 25px rgba(0, 242, 254, 0.5);
  transform: translateY(-2px);
}

/* --- 4. Common Typography / Sections / Buttons --- */
.section {
  padding: 100px 0;
}

.section-label {
  color: var(--accent-cyan);
  text-transform: uppercase;
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 2px;
  margin-bottom: 1rem;
  display: inline-block;
  background: rgba(0, 242, 254, 0.1);
  padding: 0.4rem 1.2rem;
  border-radius: 30px;
  border: 1px solid rgba(0, 242, 254, 0.2);
}

.section-title {
  font-size: 2.75rem;
  color: var(--text-heading);
  margin-bottom: 1.5rem;
  font-weight: 700;
  line-height: 1.2;
}

.section-header {
  margin-bottom: 4rem;
}

.vision-text {
  font-size: 1.25rem;
  color: #cbd5e1;
  max-width: 850px;
  margin: 0 auto;
  line-height: 1.6;
}

.cta-group {
  display: flex;
  gap: 1.2rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

.btn {
  padding: 0.9rem 2.2rem;
  border-radius: 50px;
  font-weight: 600;
  text-decoration: none;
  transition: var(--transition);
  font-size: 1rem;
  display: inline-block;
  cursor: pointer;
  border: 1px solid transparent;
}

.btn-primary {
  background: #ffffff;
  color: #000;
  box-shadow: 0 0 20px rgba(255, 255, 255, 0.2);
}

.btn-primary:hover {
  background: #e2e8f0;
  transform: translateY(-2px);
  box-shadow: 0 0 30px rgba(255, 255, 255, 0.35);
}

.btn-secondary {
  border-color: var(--glass-border);
  color: #ffffff;
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  border-color: var(--accent-cyan);
  background: rgba(0, 242, 254, 0.08);
}

/* --- 5. Cards --- */
.grid-capabilities {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.card {
  padding: 2.5rem;
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.card:hover {
  transform: translateY(-8px);
  border-color: var(--accent-blue);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.45), inset 0 0 20px rgba(79, 172, 254, 0.05);
}

.card-num {
  font-size: 3.5rem;
  font-weight: 900;
  color: transparent;
  -webkit-text-stroke: 1px rgba(255, 255, 255, 0.1);
  position: absolute;
  top: 1rem;
  right: 1.5rem;
  line-height: 1;
}

.card h4 {
  font-size: 1.4rem;
  color: var(--text-heading);
  margin-bottom: 1rem;
  font-weight: 600;
}

.card p {
  color: var(--text-main);
  font-size: 0.95rem;
}

.featured-card {
  background: linear-gradient(135deg, rgba(79, 172, 254, 0.15), rgba(0, 242, 254, 0.05));
  border-color: rgba(0, 242, 254, 0.3);
}

/* --- 6. Hero & Split Layouts --- */
.hero {
  padding: 120px 0 80px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 6rem;
  align-items: center;
}

.hero-headline {
  font-size: 4.2rem;
  line-height: 1.15;
  margin-bottom: 2rem;
  color: var(--text-heading);
}

.hero-subheadline {
  font-size: 1.25rem;
  line-height: 1.8;
  margin-bottom: 3rem;
  max-width: 90%;
  color: #cbd5e1;
}

.hero-support p {
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.hero-image img {
  width: 150%;
  border-radius: 20px;
  box-shadow: var(--glow-cyan);
  border: 1px solid var(--glass-border);
  opacity: 0.9;
}

.hero-image2 img {
  width: 100%;
  border-radius: 20px;
  box-shadow: var(--glow-cyan);
  border: 1px solid var(--glass-border);
  opacity: 0.9;
}

/* --- 7. Hologram Effect --- */
.hologram-effect {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hologram-effect img {
  width: 120%;
  max-width: none;
  border: none;
  box-shadow: none;
  border-radius: 0;
  -webkit-mask-image: radial-gradient(circle, rgba(0, 0, 0, 1) 40%, rgba(0, 0, 0, 0) 75%);
  mask-image: radial-gradient(circle, rgba(0, 0, 0, 1) 40%, rgba(0, 0, 0, 0) 75%);
  animation: float 6s ease-in-out infinite;
}

@keyframes float {
  0% { transform: translateY(0px); }
  50% { transform: translateY(-15px); }
  100% { transform: translateY(0px); }
}

/* --- 8. Hero Metrics Bar --- */
.hero-metrics-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(15, 23, 42, 0.4);
  backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  padding: 2.5rem 4rem;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.45);
}

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

.metric-number {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--accent-cyan);
  margin-bottom: 0.5rem;
  text-shadow: 0 0 20px rgba(0, 242, 254, 0.3);
}

.metric-text {
  font-size: 0.9rem;
  color: #94a3b8;
  text-transform: uppercase;
  font-weight: 700;
  letter-spacing: 1px;
}

.divider {
  width: 1px;
  height: 50px;
  background: linear-gradient(to bottom, transparent, rgba(255, 255, 255, 0.2), transparent);
}

/* --- 9. Process / How It Works --- */
.process-container {
  position: relative;
  max-width: 1000px;
  margin: 4rem auto;
  padding: 0 20px;
}

.process-container::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, transparent, var(--accent-cyan), transparent);
  opacity: 0.3;
  transform: translateX(-50%);
}

.process-step {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 6rem;
  gap: 4rem;
  position: relative;
  z-index: 2;
}

.process-step:nth-child(even) {
  flex-direction: row-reverse;
}

.process-content {
  flex: 1;
  background: var(--bg-card);
  padding: 2.5rem;
  border-radius: 20px;
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(12px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.45);
  transition: var(--transition);
}

.process-content:hover {
  border-color: var(--accent-cyan);
  transform: translateY(-5px);
  box-shadow: var(--glow-cyan);
}

.process-number {
  font-size: 4rem;
  font-weight: 900;
  color: transparent;
  -webkit-text-stroke: 1px rgba(0, 242, 254, 0.4);
  margin-bottom: 1rem;
  line-height: 1;
}

.process-content h3 {
  font-size: 1.75rem;
  margin-bottom: 1rem;
  color: var(--text-heading);
}

.process-content p {
  font-size: 1.05rem;
  color: var(--text-main);
}

.process-visual {
  flex: 1;
  height: 250px;
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--glass-border);
  background: rgba(0, 242, 254, 0.02);
  position: relative;
  overflow: hidden;
  box-shadow: inset 0 0 30px rgba(0, 0, 0, 0.45);
}

.process-visual::after {
  content: '';
  position: absolute;
  width: 200%;
  height: 200%;
  background: conic-gradient(from 0deg, transparent 0 340deg, rgba(0, 242, 254, 0.3) 360deg);
  animation: radar-spin 4s linear infinite;
  opacity: 0.5;
}

@keyframes radar-spin {
  100% { transform: rotate(360deg); }
}

.visual-placeholder {
  font-weight: 700;
  color: var(--accent-cyan);
  text-transform: uppercase;
  letter-spacing: 2px;
  z-index: 1;
  text-shadow: 0 0 10px rgba(0, 242, 254, 0.5);
}

/* --- 10. Forms --- */
input,
select,
textarea {
  width: 100%;
  padding: 1rem;
  border-radius: 12px;
  font-family: inherit;
  font-size: 0.95rem;
  background: rgba(255, 255, 255, 0.03) !important;
  color: #fff !important;
  border: 1px solid var(--glass-border) !important;
  transition: var(--transition);
  margin-top: 0.5rem;
}

input::placeholder,
textarea::placeholder {
  color: rgba(255, 255, 255, 0.3);
}

input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--accent-cyan) !important;
  box-shadow: 0 0 15px rgba(0, 242, 254, 0.2);
  background: rgba(0, 242, 254, 0.05) !important;
}

label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  color: #cbd5e1;
}

.contact-form-wrap {
  display: flex;
  justify-content: center;
}

.contact-form-card {
  width: 100%;
  max-width: 760px;
  padding: 3rem;
}

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

.form-group-last {
  margin-bottom: 2.5rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.contact-submit-btn {
  width: 100%;
  font-size: 1.1rem;
}

/* --- 11. Footer --- */
.footer {
  background: #02040a;
  padding: 24px 0;
  border-top: 1px solid var(--glass-border);
}

.footer-grid {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
}

.footer-social {
  display: flex;
  align-items: center;
  gap: 10px;
}

.footer-social a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: transparent;
  color: rgba(255, 255, 255, 0.72);
  text-decoration: none;
  transition: var(--transition);
}

.footer-social a:hover {
  color: #22d3ee;
  background: rgba(255, 255, 255, 0.05);
}

.social-icon {
  width: 16px;
  height: 16px;
}

.footer-copyright {
  margin-left: auto;
}

.footer-copyright p {
  margin: 0;
  color: rgba(148, 163, 184, 0.82);
  font-size: 0.95rem;
  text-align: right;
}

/* --- 12. Leadership Page --- */
.leadership-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 3rem;
}

.executive-card {
  display: flex;
  gap: 2rem;
  align-items: flex-start;
  background: rgba(15, 23, 42, 0.4);
  backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  border-radius: 24px;
  padding: 3rem 2.5rem;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.executive-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent-cyan), transparent);
  opacity: 0;
  transition: var(--transition);
}

.executive-card:hover {
  transform: translateY(-5px);
  background: rgba(15, 23, 42, 0.7);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.55);
  border-color: rgba(0, 242, 254, 0.2);
}

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

.exec-avatar {
  width: 70px;
  height: 70px;
  flex-shrink: 0;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  font-weight: 800;
  color: #fff;
  background: linear-gradient(135deg, rgba(79, 172, 254, 0.2), rgba(0, 242, 254, 0.05));
  border: 1px solid rgba(0, 242, 254, 0.3);
  box-shadow: inset 0 0 20px rgba(0, 242, 254, 0.1), 0 0 15px rgba(0, 242, 254, 0.15);
  text-shadow: 0 0 10px rgba(255, 255, 255, 0.5);
}

.exec-info {
  flex: 1;
}

.exec-badge {
  display: inline-block;
  color: var(--accent-cyan);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 0.8rem;
  background: rgba(0, 242, 254, 0.08);
  padding: 0.3rem 0.8rem;
  border-radius: 4px;
  border: 1px solid rgba(0, 242, 254, 0.15);
}

.exec-name {
  font-size: 1.8rem;
  color: #fff;
  margin-bottom: 1rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.exec-bio {
  color: #94a3b8;
  font-size: 0.95rem;
  line-height: 1.7;
}

/* --- 13. Model Page --- */
.model-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2.5rem;
}

.model-card {
  position: relative;
  background: rgba(15, 23, 42, 0.5);
  backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  padding: 3.5rem 2.5rem;
  overflow: hidden;
  transition: all 0.5s cubic-bezier(0.2, 0.8, 0.2, 1);
  cursor: pointer;
  z-index: 1;
}

.model-bg-glow {
  position: absolute;
  top: -50px;
  right: -50px;
  width: 200px;
  height: 200px;
  background: radial-gradient(circle at top right, rgba(0, 242, 254, 0.2), transparent 60%);
  z-index: -1;
  transition: all 0.5s ease;
  opacity: 0.5;
}

.model-card:hover {
  transform: translateY(-8px) scale(1.02);
  border-color: rgba(0, 242, 254, 0.4);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.55), inset 0 0 30px rgba(0, 242, 254, 0.05);
  background: rgba(15, 23, 42, 0.8);
}

.model-card:hover .model-bg-glow {
  transform: scale(1.5);
  opacity: 1;
}

.model-card::after {
  content: "";
  position: absolute;
  top: 0;
  left: -150%;
  width: 50%;
  height: 100%;
  background: linear-gradient(to right, transparent, rgba(255, 255, 255, 0.1), transparent);
  transform: skewX(-25deg);
  transition: 0.7s ease-in-out;
  z-index: 2;
  pointer-events: none;
}

.model-card:hover::after {
  left: 200%;
}

.model-watermark {
  position: absolute;
  bottom: -10px;
  right: 10px;
  font-size: 8rem;
  font-weight: 900;
  color: transparent;
  -webkit-text-stroke: 2px rgba(255, 255, 255, 0.03);
  z-index: -1;
  line-height: 1;
  transition: all 0.5s ease;
}

.model-card:hover .model-watermark {
  -webkit-text-stroke: 2px rgba(0, 242, 254, 0.15);
  transform: translateY(-10px);
}

.neon-indicator {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-cyan);
  box-shadow: 0 0 10px var(--accent-cyan);
  display: inline-block;
  margin-right: 12px;
  margin-bottom: 4px;
}

.model-title {
  display: flex;
  align-items: center;
  font-size: 1.6rem;
  color: #fff;
  margin-bottom: 1rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.model-content p {
  color: #94a3b8;
  font-size: 1.05rem;
  line-height: 1.7;
}

/* --- 14. Responsive --- */
@media (max-width: 1024px) {
  .nav-wrapper {
    gap: 20px;
  }

  .nav-links {
    gap: 1.3rem;
  }

  .logo-img {
    height: 54px;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    gap: 3.5rem;
    text-align: center;
  }

  .hero-subheadline {
    max-width: 100%;
  }

  .hologram-effect img {
    width: 100%;
    -webkit-mask-image: radial-gradient(circle, rgba(0, 0, 0, 1) 50%, rgba(0, 0, 0, 0) 85%);
    mask-image: radial-gradient(circle, rgba(0, 0, 0, 1) 50%, rgba(0, 0, 0, 0) 85%);
  }

  .hero-metrics-bar {
    flex-direction: column;
    gap: 2rem;
    padding: 2rem;
  }

  .divider {
    width: 50px;
    height: 1px;
    background: linear-gradient(to right, transparent, rgba(255, 255, 255, 0.2), transparent);
  }

  .process-container::before {
    left: 20px;
  }

  .process-step,
  .process-step:nth-child(even) {
    flex-direction: column;
    text-align: left;
    gap: 2rem;
  }

  .leadership-grid,
  .model-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .executive-card {
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 2.5rem 1.5rem;
  }
}

@media (max-width: 768px) {
  .section {
    padding: 72px 0;
  }

  .container {
    padding: 0 1.25rem;
  }

  .main-header {
    position: static;
  }

  .nav-wrapper {
    min-height: auto;
    padding: 14px 0;
    flex-direction: column;
    gap: 14px;
  }

  .logo-img {
    height: 46px;
  }

  .nav-links {
    flex-wrap: wrap;
    justify-content: center;
    gap: 14px 18px;
  }

  .nav-links a {
    font-size: 0.92rem;
  }

  .nav-links .nav-cta {
    min-width: 108px;
    height: 42px;
    padding: 0 1.15rem;
  }

  .section-title {
    font-size: 2.1rem;
  }

  .hero-headline {
    font-size: 2.7rem;
  }

  .hero-subheadline {
    font-size: 1.08rem;
    line-height: 1.75;
  }

  .cta-group {
    justify-content: center;
  }

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

  .contact-form-card {
    padding: 2rem;
  }

  .form-row {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .footer-grid {
    flex-direction: column;
    align-items: center;
    gap: 14px;
  }

  .footer-copyright {
    margin-left: 0;
  }

  .footer-copyright p {
    text-align: center;
  }
}