@charset "UTF-8";

/* =========================================================
   NVIDIA Design System Theme
   Ref: nvidia/DESIGN.md
========================================================= */

:root {
  /* Colors */
  --color-primary: #76b900;
  --color-primary-dark: #5a8d00;
  --color-ink: #000000;
  --color-canvas: #ffffff;
  --color-surface-dark: #000000;
  --color-surface-soft: #f7f7f7;
  --color-surface-elevated: #1a1a1a;
  --color-hairline: #cccccc;
  --color-hairline-strong: #5e5e5e;
  --color-body: #1a1a1a;
  --color-mute: #757575;
  --color-stone: #898989;
  --color-ash: #a7a7a7;
  --color-on-dark: #ffffff;
  --color-on-dark-mute: rgba(255, 255, 255, 0.7);
  --color-link-blue: #0046a4;
  --color-accent-yellow-pale: #feeeb2;
  --color-accent-green-pale: #bff230;

  /* Typography */
  --font-sans: 'Inter', Arial, sans-serif;

  /* Border Radius */
  --rounded-none: 0px;
  --rounded-xs: 1px;
  --rounded-sm: 2px;
  --rounded-full: 9999px;

  /* Spacing */
  --spacing-xxs: 2px;
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 12px;
  --spacing-lg: 16px;
  --spacing-xl: 24px;
  --spacing-xxl: 32px;
  --spacing-section: 64px;
}

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

body {
  background-color: var(--color-canvas);
  color: var(--color-body);
  font-family: var(--font-sans);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* =========================================================
   Layout Containers
========================================================= */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding-left: var(--spacing-xl);
  padding-right: var(--spacing-xl);
}

.body-section {
  padding-top: var(--spacing-section);
  padding-bottom: var(--spacing-section);
  background-color: var(--color-canvas);
}

.section-headline {
  font-size: 36px;
  font-weight: 700;
  line-height: 1.25;
  color: var(--color-ink);
  margin-bottom: var(--spacing-xxl);
  text-align: left;
}

/* =========================================================
   Hero Section (Black Canvas)
========================================================= */
.hero-wrapper {
  background: radial-gradient(circle at 80% 20%, rgba(118, 185, 0, 0.12), transparent 50%),
              linear-gradient(135deg, #020202 0%, #111111 100%);
  background-size: 200% 200%;
  animation: hero-gradient-shift 12s infinite alternate ease-in-out;
  color: var(--color-on-dark);
  border-bottom: 2px solid var(--color-primary);
  position: relative;
  overflow: hidden;
}

@keyframes hero-gradient-shift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

.hero-content {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: var(--spacing-xxl);
  align-items: center;
  padding-top: 80px;
  padding-bottom: 80px;
}

@media (max-width: 960px) {
  .hero-content {
    display: flex;
    flex-direction: column-reverse;
    text-align: left;
    padding-top: 64px;
    padding-bottom: 64px;
    gap: var(--spacing-xl);
  }
}

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

@media (max-width: 960px) {
  .hero-text-block {
    text-align: left;
  }
}

.hero-subtitle {
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--color-primary);
  margin-bottom: var(--spacing-md);
}

.hero-title {
  font-size: 48px;
  font-weight: 700;
  line-height: 1.25;
  color: var(--color-on-dark);
  margin-bottom: var(--spacing-lg);
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 32px;
  }
}

.hero-description {
  font-size: 18px;
  font-weight: 400;
  line-height: 1.75;
  color: var(--color-on-dark-mute);
  margin-bottom: var(--spacing-xl);
}

.hero-cta {
  display: flex;
  gap: var(--spacing-lg);
  justify-content: flex-start;
  align-items: center;
}

@media (max-width: 960px) {
  .hero-cta {
    flex-direction: column;
    align-items: stretch;
    width: 100%;
    gap: var(--spacing-sm);
  }
  .hero-cta .btn {
    width: 100%;
  }
}

/* Avatar / Image */
.hero-image-block {
  display: flex;
  justify-content: flex-end;
  align-items: center;
}

@media (max-width: 960px) {
  .hero-image-block {
    justify-content: center;
  }
}

.profile-avatar-wrap {
  width: 240px;
  height: 240px;
  border-radius: var(--rounded-full);
  border: 1px solid var(--color-hairline-strong);
  overflow: hidden;
  position: relative;
  background-color: var(--color-surface-elevated);
  box-shadow: 0 0 30px rgba(118, 185, 0, 0.15);
  animation: avatar-float 6s ease-in-out infinite;
}

@keyframes avatar-float {
  0% { transform: translateY(0px) rotate(0deg); }
  50% { transform: translateY(-8px) rotate(1deg); }
  100% { transform: translateY(0px) rotate(0deg); }
}

.profile-avatar-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Social links on dark */
.social-links {
  display: flex;
  gap: var(--spacing-md);
  margin-top: var(--spacing-xl);
}

@media (max-width: 960px) {
  .social-links {
    justify-content: center;
  }
}

.social-links a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border: 1px solid var(--color-hairline-strong);
  border-radius: var(--rounded-sm);
  color: var(--color-on-dark-mute);
  background: transparent;
  text-decoration: none;
  font-size: 18px;
  transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.social-links a:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background-color: var(--color-surface-elevated);
  transform: scale(1.1) translateY(-3px) rotate(4deg);
}

/* =========================================================
   Buttons (Angular & 2px Radius)
========================================================= */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 44px;
  padding: 11px 24px;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 16px;
  text-decoration: none;
  border-radius: var(--rounded-sm);
  transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
  cursor: pointer;
  border: none;
  position: relative;
  overflow: hidden;
}

.btn::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: rgba(255, 255, 255, 0.15);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: width 0.6s ease, height 0.6s ease;
}

.btn:active::after {
  width: 300px;
  height: 300px;
}

.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-ink);
  box-shadow: 0 4px 14px rgba(118, 185, 0, 0.2);
}

.btn-primary:hover {
  background-color: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(118, 185, 0, 0.4);
}

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

.btn-outline:hover {
  background-color: var(--color-surface-soft);
  border-color: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(118, 185, 0, 0.1);
}

.btn-outline-on-dark {
  background-color: transparent;
  color: var(--color-on-dark);
  border: 1px solid var(--color-on-dark);
}

.btn-outline-on-dark:hover {
  background-color: var(--color-on-dark);
  color: var(--color-ink);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(255, 255, 255, 0.2);
}

.btn-ghost-link {
  display: inline-flex;
  align-items: center;
  color: var(--color-primary);
  font-weight: 700;
  font-size: 16px;
  text-decoration: none;
  background: transparent;
  border: none;
  padding: 0;
  cursor: pointer;
}

.btn-ghost-link i {
  margin-left: 6px;
  font-size: 14px;
  transition: transform 0.2s ease;
}

.btn-ghost-link:hover i {
  transform: translateX(4px);
}

/* =========================================================
   Card Grid (White Canvas)
========================================================= */
.card-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-xl);
}

@media (max-width: 768px) {
  .card-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }
}

.nvidia-card {
  background-color: rgba(255, 255, 255, 0.75);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--color-hairline);
  border-radius: var(--rounded-sm);
  padding: var(--spacing-xl);
  position: relative;
  display: flex;
  flex-direction: column;
  transition: transform 0.4s cubic-bezier(0.25, 0.8, 0.25, 1),
              border-color 0.3s ease,
              box-shadow 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.nvidia-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-6px);
  box-shadow: 0 16px 36px rgba(118, 185, 0, 0.1),
              0 4px 12px rgba(0, 0, 0, 0.04);
}

/* Signature corner square */
.corner-square {
  position: absolute;
  top: -1px;
  left: -1px;
  width: 12px;
  height: 12px;
  background-color: var(--color-primary);
  z-index: 10;
}

/* Badge Tag */
.badge-tag {
  display: inline-block;
  align-self: flex-start;
  background-color: var(--color-surface-soft);
  color: var(--color-body);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: var(--rounded-sm);
  margin-bottom: var(--spacing-md);
  letter-spacing: 0.05em;
}

/* Card Price/Tag Badge */
.card-price-badge {
  display: inline-block;
  align-self: flex-start;
  background-color: rgba(254, 238, 178, 0.6); /* pale yellow transparent */
  color: var(--color-body);
  font-size: 12px;
  font-weight: 700;
  padding: 4px 8px;
  border-radius: var(--rounded-xs);
  margin-bottom: var(--spacing-md);
  border: 1px solid var(--color-accent-yellow-pale);
}

.card-title {
  font-size: 20px;
  font-weight: 700;
  line-height: 1.25;
  color: var(--color-ink);
  margin-bottom: var(--spacing-md);
}

.card-image-wrap {
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: var(--rounded-sm);
  overflow: hidden;
  border: 1px solid var(--color-hairline);
  margin-bottom: var(--spacing-md);
}

.card-image-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.nvidia-card:hover .card-image-wrap img {
  transform: scale(1.02);
}

.card-content {
  font-size: 15px;
  line-height: 1.65;
  color: var(--color-body);
  margin-bottom: var(--spacing-xl);
  flex-grow: 1;
}

.card-content p {
  margin-bottom: var(--spacing-sm);
}

.card-content p:last-child {
  margin-bottom: 0;
}

.card-footer {
  margin-top: auto;
}

/* =========================================================
   Callouts & Boxes
========================================================= */
.editorial-callout {
  margin-top: var(--spacing-md);
  padding: var(--spacing-md) var(--spacing-lg);
  background-color: var(--color-accent-yellow-pale);
  border-left: 4px solid var(--color-primary);
  border-radius: var(--rounded-xs);
  color: var(--color-body);
  font-size: 14px;
  font-weight: 700;
  line-height: 1.5;
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
}

.editorial-callout i {
  color: var(--color-primary-dark);
  font-size: 16px;
  margin-top: 2px;
  flex-shrink: 0;
}

.editorial-callout .highlight {
  color: var(--color-ink);
  text-decoration: underline;
  text-decoration-color: var(--color-primary);
  text-underline-offset: 3px;
}

/* =========================================================
   Footer (Black Canvas)
========================================================= */
.site-footer {
  background-color: var(--color-surface-dark);
  color: var(--color-on-dark-mute);
  padding: var(--spacing-section) var(--spacing-xl);
  border-top: 1px solid var(--color-hairline-strong);
  text-align: center;
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-lg);
}

.footer-nav {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--spacing-lg);
}

.footer-nav a {
  color: var(--color-on-dark);
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  text-underline-offset: 4px;
  transition: color 0.2s ease;
}

.footer-nav a:hover {
  color: var(--color-primary);
  text-decoration: underline;
}

.footer-logo {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-on-dark);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.footer-fineprint {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--color-mute);
  letter-spacing: 0.05em;
}

/* =========================================================
   Scroll Reveal CSS
========================================================= */
.reveal-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s cubic-bezier(0.25, 1, 0.5, 1),
              transform 0.8s cubic-bezier(0.25, 1, 0.5, 1);
}

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

/* =========================================================
   Privacy Policy Page
========================================================= */
.privacy-page {
  background-color: var(--color-surface-soft);
}

.privacy-header {
  background-color: var(--color-surface-dark);
  border-bottom: 2px solid var(--color-primary);
  color: var(--color-on-dark-mute);
}

.privacy-header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--spacing-lg);
  min-height: 72px;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.privacy-home-link {
  color: var(--color-on-dark);
  text-decoration: none;
  font-size: 18px;
}

.privacy-home-link:hover {
  color: var(--color-primary);
}

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

.privacy-document {
  max-width: 880px;
  margin: 0 auto;
  background-color: var(--color-canvas);
  border: 1px solid var(--color-hairline);
  border-radius: var(--rounded-sm);
  padding: 48px;
  color: var(--color-body);
}

.privacy-kicker {
  color: var(--color-primary-dark);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: var(--spacing-sm);
}

.privacy-document h1 {
  color: var(--color-ink);
  font-size: 40px;
  line-height: 1.25;
  margin-bottom: var(--spacing-sm);
}

.privacy-updated {
  color: var(--color-mute);
  font-size: 14px;
  font-weight: 700;
  margin-bottom: var(--spacing-xxl);
}

.privacy-document h2 {
  color: var(--color-ink);
  font-size: 22px;
  line-height: 1.35;
  margin-top: var(--spacing-xxl);
  margin-bottom: var(--spacing-md);
  border-left: 4px solid var(--color-primary);
  padding-left: 12px;
}

.privacy-document p,
.privacy-document li {
  font-size: 16px;
  line-height: 1.8;
}

.privacy-document p {
  margin-bottom: var(--spacing-md);
}

.privacy-document a {
  color: var(--color-link-blue);
  font-weight: 700;
  text-underline-offset: 3px;
}

.privacy-document ul {
  padding-left: 1.4em;
  margin-bottom: var(--spacing-lg);
}

.privacy-document li {
  margin-bottom: var(--spacing-xs);
}

.contact-document {
  max-width: 760px;
}

.contact-lead {
  color: var(--color-body);
  margin-bottom: var(--spacing-xxl);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.contact-field {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.contact-field label {
  color: var(--color-ink);
  font-size: 14px;
  font-weight: 700;
}

.contact-field input,
.contact-field textarea {
  width: 100%;
  border: 1px solid var(--color-hairline);
  border-radius: var(--rounded-sm);
  background-color: var(--color-canvas);
  color: var(--color-body);
  font: inherit;
  font-size: 16px;
  line-height: 1.5;
  padding: 12px 14px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.contact-field textarea {
  resize: vertical;
  min-height: 180px;
}

.contact-field input:focus,
.contact-field textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(118, 185, 0, 0.16);
}

.contact-hidden {
  display: none;
}

.contact-submit {
  align-self: flex-start;
  min-width: 160px;
}

.contact-submit:disabled {
  cursor: not-allowed;
  opacity: 0.65;
  transform: none;
}

.contact-status {
  min-height: 1.6em;
  margin-bottom: 0;
  font-size: 14px;
  font-weight: 700;
}

.contact-status.is-success {
  color: var(--color-primary-dark);
}

.contact-status.is-error {
  color: #b00020;
}

@media (max-width: 768px) {
  .privacy-header-content {
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
    min-height: 88px;
    gap: var(--spacing-xs);
  }

  .privacy-document {
    padding: var(--spacing-xl);
  }

  .privacy-document h1 {
    font-size: 30px;
  }

  .contact-submit {
    align-self: stretch;
    width: 100%;
  }
}

/* =========================================================
   Featured Card (1 Column Layout)
========================================================= */
.nvidia-card.featured {
  margin-bottom: var(--spacing-xxl);
  display: flex;
  flex-direction: column;
}

.nvidia-card.featured .card-content {
  font-size: 17px;
  line-height: 1.7;
}

.nvidia-card.featured .vip-benefit-list {
  list-style: none;
  font-size: 16px;
  line-height: 1.6;
  padding-left: 0;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
}

.nvidia-card.featured .featured-footer {
  display: flex;
  gap: var(--spacing-md);
  width: 100%;
  margin-top: var(--spacing-md);
}

@media (max-width: 600px) {
  .nvidia-card.featured .featured-footer {
    flex-direction: column;
    gap: var(--spacing-sm);
  }
}

/* Responsive Title for BUDDHAO */
.mobile-only-title {
  display: none !important;
}

@media (max-width: 768px) {
  .pc-only-title {
    display: none !important;
  }
  .mobile-only-title {
    display: block !important;
  }
}

/* =========================================================
   Ambient Background Glow Orbs
 ========================================================= */
.glow-orb {
  position: fixed;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(118, 185, 0, 0.08) 0%, rgba(118, 185, 0, 0) 70%);
  filter: blur(80px);
  z-index: -1;
  pointer-events: none;
  left: -100px;
  top: -100px;
  animation: orb-move-1 25s infinite alternate ease-in-out;
}

.glow-orb-2 {
  position: fixed;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(254, 238, 178, 0.05) 0%, rgba(254, 238, 178, 0) 70%);
  filter: blur(100px);
  z-index: -1;
  pointer-events: none;
  right: -100px;
  bottom: 10%;
  animation: orb-move-2 30s infinite alternate ease-in-out;
}

@keyframes orb-move-1 {
  0% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(120px, 80px) scale(1.15); }
  100% { transform: translate(-40px, 150px) scale(0.9); }
}

@keyframes orb-move-2 {
  0% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(-100px, -120px) scale(0.9); }
  100% { transform: translate(50px, -40px) scale(1.1); }
}