/* ===== INDEX PAGE STYLES ===== */

/* ---------- hero ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  background: #1e1e1e;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  padding: 90px 60px 70px;
  gap: 48px;
}

.hero .hero-glow {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  overflow: hidden;
  mask-image: linear-gradient(to top,
    rgba(0, 0, 0, 1) 0%,
    rgba(0, 0, 0, 0.9) 10%,
    rgba(0, 0, 0, 0.75) 22%,
    rgba(0, 0, 0, 0.55) 34%,
    rgba(0, 0, 0, 0.38) 46%,
    rgba(0, 0, 0, 0.24) 56%,
    rgba(0, 0, 0, 0.14) 64%,
    rgba(0, 0, 0, 0.06) 72%,
    rgba(0, 0, 0, 0.02) 78%,
    rgba(0, 0, 0, 0) 82%
  );
  -webkit-mask-image: linear-gradient(to top,
    rgba(0, 0, 0, 1) 0%,
    rgba(0, 0, 0, 0.9) 10%,
    rgba(0, 0, 0, 0.75) 22%,
    rgba(0, 0, 0, 0.55) 34%,
    rgba(0, 0, 0, 0.38) 46%,
    rgba(0, 0, 0, 0.24) 56%,
    rgba(0, 0, 0, 0.14) 64%,
    rgba(0, 0, 0, 0.06) 72%,
    rgba(0, 0, 0, 0.02) 78%,
    rgba(0, 0, 0, 0) 82%
  );
}

.hero .hero-glow::after {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 1600vw;
  height: 100%;
  background: linear-gradient(to right,
    rgba(238, 214, 150, 0.6),
    rgba(235, 178, 110, 0.6),
    rgba(220, 130, 130, 0.6),
    rgba(210, 140, 185, 0.6),
    rgba(130, 155, 215, 0.6),
    rgba(90,  195, 210, 0.6),
    rgba(120, 200, 145, 0.6),
    rgba(185, 220, 120, 0.6),
    rgba(238, 214, 150, 0.6),
    rgba(235, 178, 110, 0.6),
    rgba(220, 130, 130, 0.6),
    rgba(210, 140, 185, 0.6),
    rgba(130, 155, 215, 0.6),
    rgba(90,  195, 210, 0.6),
    rgba(120, 200, 145, 0.6),
    rgba(185, 220, 120, 0.6)
  );
  animation: color-scroll 32s linear infinite;
}

@keyframes color-scroll {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

.hero .grid-bg {
  position: absolute;
  inset: 0;
  z-index: 1;
  opacity: 0.08;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(255, 255, 255, 0.5) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.5) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 1) 0%, rgba(0, 0, 0, 0.3) 14%, transparent 24%);
  -webkit-mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 1) 0%, rgba(0, 0, 0, 0.3) 14%, transparent 24%);
}

.hero .grain { opacity: 0.15; }

.hero-content {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  gap: 60px;
}

.hero h1 {
  font-family: 'Funnel Display', sans-serif;
  font-weight: 500;
  font-size: clamp(34px, 5.2vw, 56px);
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--white);
  max-width: 720px;
}

/* ---------- hero video ---------- */
.hero-video-wrap {
  width: 100%;
  max-width: 900px;
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: #141414;
  aspect-ratio: 16/9;
  position: relative;
}

.hero-video-wrap video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.hero-video-wrap .video-placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  color: var(--mid);
  font-size: 14px;
}

.hero-video-wrap .video-placeholder svg { opacity: 0.3; }

.hero-footer {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-top: auto;
}

.hero-footer p {
  max-width: 420px;
  font-size: 15px;
  line-height: 1.6;
  color: var(--mid);
}

.hero-footer .learn-more {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--white);
  text-decoration: none;
  font-size: 14px;
  white-space: nowrap;
}

@media (max-width: 700px) {
  .hero { padding: 70px 24px 40px; }
  .hero-footer { flex-direction: column; align-items: flex-start; gap: 16px; }
  .hero-video-wrap { border-radius: 10px; }
}

@media (max-width: 480px) {
  .hero h1 { font-size: 32px !important; }
}

/* ---------- install section ---------- */
.install-section {
  background: #1e1e1e;
  border-top: 1px solid var(--line);
  padding: 80px 60px;
  display: flex;
  justify-content: center;
}

.install-inner {
  width: 100%;
  max-width: 900px;
  display: flex;
  flex-direction: column;
  gap: 0;
}

/* tabs row — sharp corners */
.install-tabs {
  display: flex;
  border: 1px solid var(--line);
  border-bottom: none;
  width: fit-content;
}

.itab {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 10px 20px;
  background: transparent;
  border: none;
  border-right: 1px solid var(--line);
  color: var(--mid);
  font-family: 'Funnel Sans', sans-serif;
  font-size: 13.5px;
  cursor: pointer;
  transition: color 0.2s, background 0.2s;
}
.itab:last-child { border-right: none; }
.itab:hover { color: var(--white); }
.itab.active {
  background: #252525;
  color: var(--white);
  border-bottom: 1px solid #252525;
  margin-bottom: -1px;
  position: relative;
  z-index: 2;
}

/* command body box */
.install-body {
  border: 1px solid var(--line);
  background: #141414;
  padding: 18px 20px 14px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.install-cmd {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: 'Funnel Sans', monospace;
  font-size: 14px;
}

.prompt { color: #7ec78a; }

.cmd-text {
  color: var(--white);
  flex: 1;
  letter-spacing: 0.01em;
}

.copy-btn {
  background: none;
  border: none;
  color: var(--mid);
  cursor: pointer;
  padding: 2px;
  display: flex;
  align-items: center;
  transition: color 0.2s;
}
.copy-btn:hover { color: var(--white); }

/* sub-tabs (curl, npm, pnpm...) */
.install-sub-tabs {
  display: flex;
  border-top: 1px solid var(--line);
  padding-top: 12px;
  gap: 6px;
}

.stab {
  background: none;
  border: none;
  color: var(--mid);
  font-family: 'Funnel Sans', monospace;
  font-size: 13px;
  cursor: pointer;
  padding: 2px 10px;
  transition: color 0.2s;
}
.stab:hover { color: var(--white); }
.stab.active {
  color: #d4b96a;
  font-weight: 500;
}

/* preview image area */
.install-preview {
  position: relative;
  border: 1px solid var(--line);
  border-top: none;
  background: #0f0f0f;
  min-height: 500px;
  overflow: hidden;
}

.preview-pane {
  display: none;
  width: 100%;
  height: 100%;
  min-height: 500px;
}
.preview-pane.active { display: flex; }

.preview-pane img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.preview-placeholder {
  width: 100%;
  min-height: 500px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  color: var(--mid);
  font-size: 13px;
}

/* install section heading */
.install-heading {
  font-family: 'Funnel Display', sans-serif;
  font-weight: 600;
  font-size: clamp(32px, 4.5vw, 54px);
  color: var(--white);
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin-bottom: 10px;
}

.install-sub {
  font-size: 15px;
  color: var(--mid);
  margin-bottom: 40px;
  line-height: 1.6;
}

/* IDE download button */
.ide-download-btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 9px 18px;
  background: var(--white);
  color: var(--black);
  font-family: 'Funnel Sans', sans-serif;
  font-size: 13.5px;
  font-weight: 600;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: opacity 0.2s;
}
.ide-download-btn:hover { opacity: 0.88; }

@media (max-width: 700px) {
  .install-section { padding: 60px 20px; }
  .itab { padding: 9px 14px; font-size: 12.5px; }
  .cmd-text { font-size: 12px; }
  .install-preview, .preview-pane, .preview-placeholder { min-height: 280px; }
}

/* ---------- plan to execution section ---------- */
.pte-section {
  background: #1e1e1e;
  border-top: 1px solid var(--line);
  padding: 100px 40px;
}

.pte-inner {
  max-width: 1440px;
  margin: 0 auto;
}

.pte-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #555;
  margin-bottom: 16px;
}

.pte-heading {
  font-family: 'Funnel Display', sans-serif;
  font-weight: 600;
  font-size: clamp(36px, 5vw, 62px);
  color: var(--white);
  letter-spacing: -0.02em;
  line-height: 1.05;
  margin-bottom: 16px;
}

.pte-sub {
  font-size: 16px;
  color: var(--mid);
  max-width: 580px;
  line-height: 1.7;
  margin-bottom: 64px;
}

.pte-cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}

.pte-col {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.pte-col-tag {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: #555;
}

.pte-col-title {
  font-family: 'Funnel Display', sans-serif;
  font-weight: 600;
  font-size: clamp(20px, 2.2vw, 26px);
  color: var(--white);
  letter-spacing: -0.01em;
  line-height: 1.2;
}

.pte-col-desc {
  font-size: 14.5px;
  color: var(--mid);
  line-height: 1.65;
  max-width: 400px;
  margin-bottom: 28px;
}

.pte-col-img {
  display: block;
  width: 100%;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: #111;
  aspect-ratio: 16/9;
  object-fit: contain;
  min-height: 200px;
}

/* placeholder when no image */
.pte-col-img-placeholder {
  width: 100%;
  aspect-ratio: 16/10;
  min-height: 200px;
  background: linear-gradient(135deg, #1f1f1f 0%, #141414 100%);
  border: 1px solid var(--line);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #333;
  font-size: 13px;
  letter-spacing: 0.04em;
}

@media (max-width: 860px) {
  .pte-section { padding: 60px 24px; }
  .pte-cols { grid-template-columns: 1fr; gap: 40px; }
}

/* ---------- providers section ---------- */
.providers {
  background: #1e1e1e;
  border-top: 1px solid var(--line);
  padding: 90px 60px;
  text-align: center;
}

.providers h2 {
  font-family: 'Funnel Display', sans-serif;
  font-weight: 600;
  font-size: clamp(28px, 4vw, 46px);
  color: var(--white);
  letter-spacing: -0.01em;
  line-height: 1.2;
  margin-bottom: 18px;
}

.providers .subtitle {
  font-size: 15px;
  color: var(--mid);
  max-width: 600px;
  margin: 0 auto 52px;
  line-height: 1.7;
}

.providers-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 36px;
  color: #555;
}

.providers-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 40px 20px;
  max-width: 860px;
  margin: 0 auto;
  align-items: center;
  justify-items: center;
}

.provider-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0.55;
  transition: opacity 0.2s ease;
  filter: brightness(0) invert(1);
}
.provider-logo:hover { opacity: 0.9; }
.provider-logo img { width: 40px; height: 40px; object-fit: contain; }

@media (max-width: 860px) {
  .providers { padding: 50px 24px; }
  .providers-grid { grid-template-columns: repeat(3, 1fr); gap: 32px 16px; }
}
@media (max-width: 500px) {
  .providers { padding: 40px 20px; }
  .providers-grid { grid-template-columns: repeat(2, 1fr); gap: 24px 12px; }
}

/* ---------- cta banner ---------- */
.cta-banner {
  background: #1e1e1e;
  border-top: 1px solid var(--line);
  padding: 80px 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: relative;
  overflow: hidden;
  min-height: 260px;
}

.cta-left {
  display: flex;
  flex-direction: column;
  gap: 28px;
  z-index: 2;
}

.cta-left h2 {
  font-family: 'Funnel Display', sans-serif;
  font-weight: 500;
  font-size: clamp(32px, 5vw, 54px);
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--white);
}

.cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  background: linear-gradient(90deg,
    rgba(238, 214, 150, 0.8),
    rgba(235, 178, 110, 0.8),
    rgba(220, 130, 130, 0.8),
    rgba(210, 140, 185, 0.8),
    rgba(130, 155, 215, 0.8),
    rgba(90, 195, 210, 0.8),
    rgba(120, 200, 145, 0.8),
    rgba(185, 220, 120, 0.8)
  );
  background-size: 400% 100%;
  border: none;
  color: #060606;
  animation: gradient-scroll 8s linear infinite;
  font-family: 'Funnel Sans', sans-serif;
  font-weight: 600;
  font-size: 14px;
  text-decoration: none;
  transition: opacity 0.2s ease;
}

@keyframes gradient-scroll {
  0%   { background-position: 0% 50%; }
  100% { background-position: 400% 50%; }
}

.cta-btn:hover { opacity: 0.9; }

.ascii-logo {
  font-family: 'Courier New', Courier, monospace;
  font-size: var(--ascii-font-size);
  line-height: var(--ascii-line-height);
  color: var(--ascii-color);
  white-space: pre;
  letter-spacing: var(--ascii-letter-spacing);
  user-select: none;
  display: block;
}

.cta-logo {
  position: absolute;
  right: 40px;
  top: 50%;
  transform: translateY(-50%);
  opacity: var(--ascii-opacity);
  z-index: 1;
}

@media (max-width: 700px) {
  .cta-banner {
    padding: 40px 24px;
    min-height: 180px;
    flex-direction: column;
    align-items: flex-start;
    gap: 20px;
  }
  .cta-logo {
    position: absolute;
    right: -12px;
    top: 50%;
    transform: translateY(-50%) scale(0.45);
    transform-origin: right center;
    opacity: var(--ascii-opacity);
  }
}

/* ---------- articles section ---------- */
.articles {
  background: #1e1e1e;
  border-top: 1px solid var(--line);
  padding: 70px 60px;
}

.articles-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #555;
  margin-bottom: 32px;
}

.articles-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.article-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  cursor: pointer;
  text-decoration: none;
}

.article-thumb {
  width: 100%;
  aspect-ratio: 16/10;
  background: #2a2a2a;
  overflow: hidden;
  position: relative;
  border: 1px solid var(--line);
}

.article-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* placeholder when no image */
.article-thumb .thumb-placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #252525 0%, #1a1a1a 100%);
  font-family: 'Funnel Display', sans-serif;
  font-size: clamp(18px, 2.5vw, 26px);
  font-weight: 600;
  color: rgba(255, 255, 255, 0.55);
  padding: 16px;
  text-align: center;
  line-height: 1.2;
}

.article-title {
  font-family: 'Funnel Sans', sans-serif;
  font-size: 14px;
  font-weight: 500;
  color: var(--white);
  line-height: 1.5;
}

.article-date {
  font-size: 12.5px;
  color: #555;
  letter-spacing: 0.02em;
}

@media (max-width: 900px) {
  .articles { padding: 50px 24px; }
  .articles-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
}
@media (max-width: 500px) {
  .articles { padding: 40px 20px; }
  .articles-grid { grid-template-columns: 1fr; }
}

/* ---------- why loophole section ---------- */
.why-loophole {
  background: #1e1e1e;
  border-top: 1px solid var(--line);
  padding: 100px 60px;
}

.wl-header {
  max-width: 800px;
  margin-bottom: 64px;
  display: flex;
  flex-direction: column;
}

.wl-label {
  font-family: 'Funnel Sans', sans-serif;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mid);
  margin-bottom: 14px;
}

.wl-title {
  font-family: 'Funnel Display', sans-serif;
  font-size: clamp(28px, 6vw, 40px);
  font-weight: 600;
  line-height: 1.15;
  color: var(--white);
  margin: 0 0 16px;
}

.wl-subtitle {
  font-size: 16px;
  color: var(--mid);
  line-height: 1.7;
  margin: 0;
}

.wl-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 48px 60px;
  max-width: 1200px;
  margin: 0 auto;
}

.wl-item {
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: transform 0.2s ease;
}
.wl-item:hover {
  transform: translateX(4px);
}

.wl-item-title-row {
  display: flex;
  align-items: center;
  gap: 12px;
}

.wl-bullet {
  width: 8px;
  height: 8px;
  background: #ffffff;
  border-radius: 2px;
  display: inline-block;
  flex-shrink: 0;
  box-shadow: 0 0 8px rgba(255, 255, 255, 0.8);
}

.wl-item h3 {
  font-family: 'Funnel Display', sans-serif;
  font-size: clamp(18px, 2.2vw, 22px);
  font-weight: 600;
  color: var(--white);
  line-height: 1.25;
  margin: 0;
}

.wl-item p {
  font-family: 'Funnel Sans', sans-serif;
  font-size: 15px;
  line-height: 1.65;
  color: var(--mid);
  margin: 0;
  padding-left: 20px;
}

@media (max-width: 860px) {
  .why-loophole { padding: 60px 24px; }
  .wl-header { margin-bottom: 40px; }
  .wl-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }
}