/* ===== ABOUT ===== */
.about {
  background: var(--bg);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: clamp(40px, 6vw, 100px);
  align-items: start;
}

@media (max-width: 900px) {
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
}

.about-card {
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 40px;
  background: linear-gradient(180deg, var(--bg-2), var(--bg));
  position: sticky;
  top: 100px;
}

.about-portrait {
  width: 100%;
  aspect-ratio: 3/4;
  border-radius: 10px;
  background: var(--bg);
  border: 1px solid var(--line);
  position: relative;
  display: flex;
  flex-direction: column;
  margin-bottom: 24px;
  overflow: hidden;
  padding: 18px;
  gap: 14px;
}

.about-portrait::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(0deg, transparent 0 23px, rgba(255,255,255,0.025) 23px 24px),
    repeating-linear-gradient(90deg, transparent 0 23px, rgba(255,255,255,0.025) 23px 24px);
  pointer-events: none;
}

.about-portrait::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 30% 20%, rgba(184, 255, 58, 0.06), transparent 60%);
  pointer-events: none;
}

.portrait-id {
  position: relative;
  z-index: 2;
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 9px;
  color: var(--fg-3);
  letter-spacing: 0.1em;
}

.portrait-id .accent { color: var(--accent); }

.portrait-canvas {
  flex: 1;
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px dashed rgba(255,255,255,0.08);
  border-radius: 6px;
  background: linear-gradient(180deg, rgba(184,255,58,0.03), transparent);
  overflow: hidden;
}

.portrait-avatar {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 25%;
  border-radius: 4px;
  filter: contrast(1.08) saturate(0.85) brightness(0.95);
  transition: filter 0.5s ease, transform 6s ease;
  animation: portraitDrift 14s ease-in-out infinite alternate;
}

.portrait-canvas::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 50% 30%, transparent 30%, rgba(13,14,12,0.55) 100%),
    linear-gradient(180deg, rgba(184,255,58,0.06) 0%, transparent 30%, transparent 70%, rgba(184,255,58,0.04) 100%);
  pointer-events: none;
  z-index: 2;
}

.portrait-canvas::before {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent 0px,
    transparent 2px,
    rgba(184,255,58,0.025) 2px,
    rgba(184,255,58,0.025) 3px
  );
  pointer-events: none;
  z-index: 3;
  animation: scanlineMove 8s linear infinite;
}

@keyframes portraitDrift {
  0%   { transform: scale(1.02); }
  100% { transform: scale(1.06); }
}

@keyframes scanlineMove {
  0%   { background-position: 0 0; }
  100% { background-position: 0 60px; }
}

.about-portrait:hover .portrait-avatar {
  filter: contrast(1.12) saturate(1) brightness(1);
}

.portrait-monogram {
  font-family: var(--font-mono);
  font-size: 96px;
  font-weight: 600;
  letter-spacing: -0.06em;
  color: var(--accent);
  line-height: 1;
  position: relative;
}

.portrait-monogram::after {
  content: '_';
  display: inline-block;
  margin-left: 4px;
  animation: blink 1s steps(1) infinite;
}

.portrait-data {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px 14px;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--fg-2);
}

.portrait-data .row {
  display: flex;
  justify-content: space-between;
  border-bottom: 1px dashed rgba(255,255,255,0.06);
  padding-bottom: 3px;
}

.portrait-data .row .k { color: var(--fg-3); }
.portrait-data .row .v { color: var(--fg); }
.portrait-data .row .ok { color: var(--accent); }

.about-portrait .corner {
  position: absolute;
  width: 12px;
  height: 12px;
  border: 1px solid var(--accent);
  z-index: 3;
}
.about-portrait .corner.tl { top: 8px; left: 8px; border-right: none; border-bottom: none; }
.about-portrait .corner.tr { top: 8px; right: 8px; border-left: none; border-bottom: none; }
.about-portrait .corner.bl { bottom: 8px; left: 8px; border-right: none; border-top: none; }
.about-portrait .corner.br { bottom: 8px; right: 8px; border-left: none; border-top: none; }

.about-meta-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
}

.about-meta-item {
  background: var(--bg-2);
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.about-meta-item .k {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--fg-3);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.about-meta-item .v {
  font-size: 18px;
  letter-spacing: -0.02em;
  font-weight: 500;
}

.about-meta-item .v .accent {
  color: var(--accent);
}

.about-text h3 {
  font-size: clamp(28px, 3.5vw, 48px);
  line-height: 1.05;
  letter-spacing: -0.03em;
  font-weight: 500;
  margin-bottom: 24px;
  text-wrap: balance;
}

.about-text h3 em {
  font-style: italic;
  color: var(--fg-3);
  font-weight: 400;
}

.about-text p {
  font-size: 17px;
  color: var(--fg-2);
  line-height: 1.6;
  margin-bottom: 20px;
  max-width: 60ch;
}

.about-text p .hl {
  color: var(--fg);
  background: linear-gradient(180deg, transparent 60%, rgba(184, 255, 58, 0.18) 60%);
}

.skills {
  margin-top: 40px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

@media (max-width: 600px) {
  .skills { grid-template-columns: 1fr; }
}

.skill {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  background: var(--bg-2);
  transition: all 0.3s;
}

.skill:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}

.skill-num {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--fg-3);
}

.skill-name {
  font-size: 16px;
  font-weight: 500;
  letter-spacing: -0.01em;
}

.skill-desc {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--fg-2);
  line-height: 1.5;
}

/* ===== SERVICES ===== */
.services {
  background: var(--bg);
}

.services-header {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: end;
  margin-bottom: 64px;
}

@media (max-width: 760px) {
  .services-header { grid-template-columns: 1fr; }
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: 16px;
  overflow: hidden;
}

@media (max-width: 1000px) { .services-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .services-grid { grid-template-columns: 1fr; } }

.service {
  background: var(--bg);
  padding: 36px 32px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  position: relative;
  transition: background 0.3s;
  cursor: pointer;
  min-height: 320px;
}

.service:hover {
  background: var(--bg-2);
}

.service-num {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--fg-3);
  letter-spacing: 0.1em;
}

.service-glyph {
  width: 56px;
  height: 56px;
  border: 1px solid var(--line);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-2);
  transition: all 0.3s;
  position: relative;
}

.service:hover .service-glyph {
  border-color: var(--accent);
  background: var(--bg);
}

.service:hover .service-glyph svg {
  stroke: var(--accent);
}

.service-glyph svg {
  width: 26px;
  height: 26px;
  stroke: var(--fg);
  fill: none;
  stroke-width: 1.4;
  transition: stroke 0.3s;
}

.service h4 {
  font-size: 22px;
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.service p {
  font-size: 14px;
  color: var(--fg-2);
  line-height: 1.55;
  flex: 1;
}

.service-arrow {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--fg-3);
  display: flex;
  align-items: center;
  gap: 8px;
  transition: color 0.3s, gap 0.3s;
}

.service:hover .service-arrow {
  color: var(--accent);
  gap: 14px;
}

/* ===== CASES ===== */
.cases {
  background: var(--bg);
}

.cases-header {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: end;
  margin-bottom: 56px;
}

@media (max-width: 760px) { .cases-header { grid-template-columns: 1fr; } }

.case-list {
  display: flex;
  flex-direction: column;
}

.case {
  display: grid;
  grid-template-columns: 60px 1fr 220px 220px 80px;
  gap: 24px;
  padding: 28px 0;
  border-top: 1px solid var(--line);
  align-items: center;
  transition: background 0.3s, padding 0.3s;
  cursor: pointer;
  position: relative;
}

.case:last-child { border-bottom: 1px solid var(--line); }

.case:hover {
  padding-inline: 12px;
  background: var(--bg-2);
}

.case-num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--fg-3);
}

.case-title {
  font-size: clamp(20px, 2.5vw, 28px);
  font-weight: 500;
  letter-spacing: -0.02em;
}

.case-title small {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--fg-2);
  margin-top: 6px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

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

.case-stat .k {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--fg-3);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.case-stat .v {
  font-size: 22px;
  font-weight: 500;
  letter-spacing: -0.02em;
}

.case-stat .v .accent { color: var(--accent); }

.case-arrow {
  text-align: right;
  font-family: var(--font-mono);
  color: var(--fg-3);
  transition: color 0.3s, transform 0.3s;
}

.case:hover .case-arrow {
  color: var(--accent);
  transform: translateX(8px) rotate(-45deg);
}

@media (max-width: 1000px) {
  .case {
    grid-template-columns: 40px 1fr 80px;
    grid-template-rows: auto auto;
    gap: 16px 16px;
  }
  .case-num { grid-row: 1 / 3; }
  .case-title { grid-column: 2 / 4; }
  .case-stat { grid-row: 2; }
  .case-stat:nth-of-type(1) { grid-column: 2; }
  .case-stat:nth-of-type(2) { grid-column: 3 / 5; }
  .case-arrow { grid-row: 1; grid-column: 3; }
}

/* Before/After slider */
.ba {
  margin-top: 64px;
  border: 1px solid var(--line);
  border-radius: 16px;
  overflow: hidden;
  background: var(--bg-2);
}

.ba-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 24px;
  border-bottom: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--fg-2);
}

.ba-stage {
  position: relative;
  height: 380px;
  overflow: hidden;
  cursor: ew-resize;
  user-select: none;
  background: var(--bg);
}

@media (max-width: 760px) { .ba-stage { height: 320px; } }

.ba-side {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  padding: 32px;
  gap: 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.7;
}

.ba-before {
  background: linear-gradient(135deg, #1a1411 0%, #2a1f18 100%);
}

.ba-after {
  background: linear-gradient(135deg, #0f1410 0%, #14201a 100%);
  clip-path: inset(0 0 0 50%);
}

.ba-label {
  position: absolute;
  top: 24px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 6px 10px;
  border-radius: 100px;
  background: rgba(0,0,0,0.6);
  backdrop-filter: blur(4px);
}

.ba-before .ba-label { left: 24px; color: var(--warn); border: 1px solid var(--warn); }
.ba-after .ba-label { right: 24px; color: var(--accent); border: 1px solid var(--accent); }

.ba-stat {
  display: flex;
  justify-content: space-between;
  padding: 8px 0;
  border-bottom: 1px dashed rgba(255,255,255,0.06);
}

.ba-stat .k { color: var(--fg-2); }
.ba-before .ba-stat .v { color: var(--warn); }
.ba-after .ba-stat .v { color: var(--accent); }

.ba-handle {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--accent);
  left: 50%;
  z-index: 5;
  transform: translateX(-1px);
  pointer-events: none;
}

.ba-handle::after {
  content: '';
  position: absolute;
  left: 50%;
  top: 50%;
  width: 44px;
  height: 44px;
  background: var(--accent);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 24px rgba(184, 255, 58, 0.4);
}

.ba-handle::before {
  content: '⇆';
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  z-index: 1;
  color: var(--bg);
  font-size: 18px;
  font-weight: 700;
}

/* ===== FAQ ===== */
.faq-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: clamp(40px, 6vw, 100px);
}

@media (max-width: 900px) { .faq-grid { grid-template-columns: 1fr; } }

.faq-list {
  display: flex;
  flex-direction: column;
}

.faq-item {
  border-top: 1px solid var(--line);
  padding: 24px 0;
  cursor: pointer;
  transition: padding 0.3s;
}

.faq-item:last-child { border-bottom: 1px solid var(--line); }

.faq-q {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
}

.faq-q-text {
  font-size: clamp(18px, 1.8vw, 22px);
  font-weight: 500;
  letter-spacing: -0.02em;
  flex: 1;
  text-wrap: balance;
}

.faq-toggle {
  width: 32px;
  height: 32px;
  border: 1px solid var(--line);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all 0.3s;
  position: relative;
}

.faq-toggle::before,
.faq-toggle::after {
  content: '';
  position: absolute;
  background: var(--fg);
  transition: all 0.3s;
}

.faq-toggle::before {
  width: 12px;
  height: 1px;
}

.faq-toggle::after {
  width: 1px;
  height: 12px;
}

.faq-item.open .faq-toggle {
  background: var(--accent);
  border-color: var(--accent);
  transform: rotate(180deg);
}

.faq-item.open .faq-toggle::before { background: var(--bg); }
.faq-item.open .faq-toggle::after { display: none; }

.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s;
  font-size: 16px;
  color: var(--fg-2);
  line-height: 1.6;
  padding-right: 56px;
}

.faq-item.open .faq-a {
  max-height: 320px;
  padding-top: 16px;
}

/* ===== CONTACT ===== */
.contact {
  background: var(--bg);
  padding-bottom: 0;
}

.contact-inner {
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: clamp(40px, 6vw, 80px);
  background: linear-gradient(180deg, var(--bg-2), var(--bg));
  position: relative;
  overflow: hidden;
}

.contact-inner::before {
  content: '';
  position: absolute;
  top: -200px;
  right: -200px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(184, 255, 58, 0.08), transparent 70%);
  pointer-events: none;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  position: relative;
}

@media (max-width: 900px) { .contact-grid { grid-template-columns: 1fr; gap: 40px; } }

.contact h2 {
  font-size: clamp(40px, 6vw, 80px);
  line-height: 0.95;
  letter-spacing: -0.04em;
  font-weight: 500;
  margin-bottom: 24px;
}

.contact h2 em {
  font-style: italic;
  color: var(--fg-3);
  font-weight: 400;
}

.contact-meta {
  margin-top: 40px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

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

.contact-meta-item .k {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--fg-3);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.contact-meta-item .v {
  font-size: 18px;
  letter-spacing: -0.01em;
}

.contact-meta-item a:hover {
  color: var(--accent);
}

/* Form */
.form {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

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

.field {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.field label {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--fg-3);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.field input,
.field textarea,
.field select {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 14px 16px;
  font-family: inherit;
  font-size: 15px;
  color: var(--fg);
  outline: none;
  transition: all 0.2s;
  resize: vertical;
}

.field textarea {
  min-height: 120px;
  font-family: inherit;
  line-height: 1.5;
}

.field select {
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12' fill='none'%3E%3Cpath d='M3 4.5L6 7.5L9 4.5' stroke='%239c9e92' stroke-width='1.2'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 40px;
  cursor: pointer;
}

.field input:focus,
.field textarea:focus,
.field select:focus {
  border-color: var(--accent);
  background: var(--bg-2);
}

.field-error input,
.field-error textarea,
.field-error select {
  border-color: var(--warn);
}

.field-error-msg {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--warn);
  margin-top: 2px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.form-submit {
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: 13px;
  padding: 18px 24px;
  background: var(--accent);
  color: var(--bg);
  border-radius: 100px;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  transition: all 0.3s;
  width: 100%;
}

.form-submit:hover {
  background: var(--fg);
  transform: translateY(-2px);
}

.form-submit:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.form-success {
  border: 1px solid var(--accent);
  background: rgba(184, 255, 58, 0.05);
  border-radius: 12px;
  padding: 20px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--accent);
  display: flex;
  align-items: center;
  gap: 12px;
  animation: fadeIn 0.4s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ===== FOOTER ===== */
.footer {
  border-top: 1px solid var(--line);
  padding: 64px var(--pad) 32px;
  position: relative;
  z-index: 2;
  background: var(--bg);
}

.footer-mark {
  font-size: clamp(80px, 22vw, 280px);
  font-weight: 500;
  letter-spacing: -0.06em;
  line-height: 0.85;
  margin-bottom: 48px;
  position: relative;
  text-align: center;
}

.footer-mark .stroke {
  -webkit-text-stroke: 1px var(--fg-3);
  -webkit-text-fill-color: transparent;
}

.footer-mark .accent { color: var(--accent); }

.footer-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr 1fr;
  gap: 24px;
  padding: 32px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

@media (max-width: 760px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

.footer-col h5 {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--fg-3);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.footer-col a {
  display: block;
  font-size: 14px;
  color: var(--fg-2);
  padding: 4px 0;
  transition: color 0.2s;
}

.footer-col a:hover {
  color: var(--accent);
}

.footer-bottom {
  margin-top: 32px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--fg-3);
  flex-wrap: wrap;
  gap: 12px;
}

.footer-bottom .status {
  display: flex;
  align-items: center;
  gap: 8px;
}

.footer-bottom .status .dot {
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 6px var(--accent);
  animation: pulse 1.6s ease-in-out infinite;
}