/* =========================================================
   SMR COMPANY - Premium Portfolio Site
   ========================================================= */

:root {
  --c-bg: #FFFFFF;
  --c-card: #F7F8FA;
  --c-primary: #173E9B;
  --c-accent: #4F7DFF;
  --c-text: #111111;
  --c-sub: #666666;
  --c-line: #ECEEF2;
  --c-line-2: #E4E7EE;
  --radius: 20px;
  --radius-lg: 28px;
  --radius-sm: 12px;
  --shadow-xs: 0 2px 8px rgba(17, 17, 17, 0.04);
  --shadow-sm: 0 6px 24px rgba(17, 17, 17, 0.06);
  --shadow-md: 0 12px 40px rgba(17, 17, 17, 0.08);
  --shadow-lg: 0 24px 60px rgba(17, 17, 17, 0.10);
  --max-w: 1400px;
  --section-pad: 140px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --t-fast: 0.25s;
  --t-mid: 0.45s;
  --t-slow: 0.8s;
  --font: 'Pretendard', 'Inter', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--c-text);
  background: var(--c-bg);
  line-height: 1.55;
  font-size: 16px;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  letter-spacing: -0.01em;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: 0; background: none; color: inherit; }
ul { list-style: none; padding: 0; margin: 0; }
input, textarea, select { font-family: inherit; font-size: inherit; color: inherit; }

.container {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 40px;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 15px;
  letter-spacing: -0.01em;
  transition: transform var(--t-fast) var(--ease), background var(--t-fast) var(--ease), color var(--t-fast) var(--ease), box-shadow var(--t-fast) var(--ease);
  white-space: nowrap;
  will-change: transform;
}
.btn-primary {
  background: var(--c-primary);
  color: #fff;
  box-shadow: 0 8px 24px rgba(23, 62, 155, 0.25);
}
.btn-primary:hover { background: #0F2F7E; transform: scale(1.04); box-shadow: 0 12px 32px rgba(23, 62, 155, 0.35); }
.btn-ghost {
  background: var(--c-card);
  color: var(--c-text);
}
.btn-ghost:hover { background: #EEF1F6; transform: scale(1.04); }
.btn-outline {
  background: transparent;
  border: 1px solid var(--c-line-2);
  color: var(--c-text);
}
.btn-outline:hover { border-color: var(--c-primary); color: var(--c-primary); transform: scale(1.04); }
.btn-lg { padding: 18px 36px; font-size: 16px; }

/* ===== Header ===== */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: transparent;
  transition: background var(--t-mid) var(--ease), backdrop-filter var(--t-mid) var(--ease), box-shadow var(--t-mid) var(--ease), padding var(--t-mid) var(--ease);
  padding: 20px 0;
}
.site-header.scrolled {
  background: rgba(255, 255, 255, 0.78);
  backdrop-filter: saturate(180%) blur(18px);
  -webkit-backdrop-filter: saturate(180%) blur(18px);
  box-shadow: 0 1px 0 rgba(17, 17, 17, 0.05), 0 8px 24px rgba(17, 17, 17, 0.04);
  padding: 14px 0;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}
.brand img { height: 45px; width: auto; }
.primary-nav ul {
  display: flex;
  gap: 40px;
}
.primary-nav a {
  position: relative;
  font-weight: 500;
  font-size: 15px;
  color: var(--c-text);
  padding: 8px 0;
  transition: color var(--t-fast) var(--ease);
}
.primary-nav a::after {
  content: '';
  position: absolute;
  left: 0; bottom: 0;
  width: 100%;
  height: 1.5px;
  background: var(--c-primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--t-mid) var(--ease);
}
.primary-nav a:hover { color: var(--c-primary); }
.primary-nav a:hover::after { transform: scaleX(1); }

.nav-toggle {
  display: none;
  width: 44px; height: 44px;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
}
.nav-toggle span {
  display: block;
  width: 22px; height: 1.5px;
  background: var(--c-text);
  transition: transform var(--t-fast) var(--ease), opacity var(--t-fast) var(--ease);
}
.nav-toggle.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* ===== Hero ===== */
.hero {
  position: relative;
  padding: 200px 0 140px;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(79, 125, 255, 0.08) 0%, transparent 70%);
  top: -100px; right: -100px;
  filter: blur(40px);
  pointer-events: none;
}
.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--c-primary);
  margin: 0 0 24px;
}
.hero-title {
  font-size: clamp(40px, 6vw, 76px);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin: 0 0 28px;
}
.hero-desc {
  font-size: 18px;
  color: var(--c-sub);
  margin: 0 0 44px;
  line-height: 1.7;
}
.hero-cta { display: flex; gap: 12px; flex-wrap: wrap; }

.hero-visual {
  position: relative;
  perspective: 1000px;
}
.hero-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--c-card);
  aspect-ratio: 4/5;
  box-shadow: var(--shadow-lg);
  transform-style: preserve-3d;
  transition: transform 0.6s var(--ease);
}
.hero-card img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 1.2s var(--ease);
}
.floating-tag {
  position: absolute;
  background: #fff;
  padding: 12px 20px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  box-shadow: var(--shadow-md);
  animation: float 6s ease-in-out infinite;
}
.tag-1 { top: 12%; left: -16px; color: var(--c-primary); animation-delay: 0s; }
.tag-2 { top: 50%; right: -10px; color: var(--c-accent); animation-delay: 1.5s; }
.tag-3 { bottom: 14%; left: 6%; color: var(--c-text); animation-delay: 3s; }
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

.hero-scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--c-sub);
}
.scroll-line {
  width: 1px; height: 40px;
  background: linear-gradient(to bottom, var(--c-sub), transparent);
  animation: scrollLine 2s ease-in-out infinite;
}
@keyframes scrollLine {
  0% { transform: scaleY(0); transform-origin: top; }
  50% { transform: scaleY(1); transform-origin: top; }
  51% { transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* ===== Section general ===== */
.section { padding: var(--section-pad) 0; }
.section-head { margin-bottom: 80px; }
.section-title {
  font-size: clamp(32px, 4.5vw, 56px);
  font-weight: 800;
  letter-spacing: -0.025em;
  line-height: 1.15;
  margin: 0;
}

/* ===== About ===== */
.about-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  background: var(--c-card);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 100px;
  box-shadow: var(--shadow-xs);
}
.about-text { padding: 80px 60px; }
.about-text h3 {
  font-size: clamp(24px, 2.5vw, 34px);
  font-weight: 700;
  margin: 0 0 24px;
  letter-spacing: -0.02em;
  line-height: 1.3;
}
.about-text p {
  color: var(--c-sub);
  font-size: 16px;
  margin: 0 0 40px;
  line-height: 1.8;
}
.about-points li {
  display: flex; align-items: center; gap: 16px;
  padding: 16px 0;
  border-top: 1px solid var(--c-line);
  font-weight: 500;
}
.about-points li:last-child { border-bottom: 1px solid var(--c-line); }
.about-points span {
  font-size: 12px;
  color: var(--c-primary);
  font-weight: 700;
  letter-spacing: 0.1em;
}
.about-visual {
  position: relative;
  min-height: 480px;
  overflow: hidden;
}
.about-visual img {
  width: 100%; height: 100%;
  object-fit: cover;
  position: absolute;
  inset: 0;
  transition: transform 1s var(--ease);
}
.about-card:hover .about-visual img { transform: scale(1.04); }

.services-heading {
  font-size: 28px;
  font-weight: 700;
  margin: 0 0 32px;
  letter-spacing: -0.02em;
}
.services {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.service-card {
  background: var(--c-card);
  border-radius: var(--radius);
  padding: 36px;
  transition: transform var(--t-mid) var(--ease), box-shadow var(--t-mid) var(--ease);
  cursor: default;
}
.service-card:hover {
  transform: translateY(-8px) scale(1.03);
  box-shadow: var(--shadow-md);
  background: #fff;
}
.service-icon {
  width: 52px; height: 52px;
  border-radius: 14px;
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: var(--c-primary);
  box-shadow: var(--shadow-xs);
}
.service-icon svg { width: 26px; height: 26px; }
.service-card h4 {
  font-size: 18px;
  font-weight: 700;
  margin: 0 0 8px;
  letter-spacing: -0.01em;
}
.service-card p {
  color: var(--c-sub);
  font-size: 14px;
  margin: 0;
  line-height: 1.6;
}

/* ===== Portfolio ===== */
.section-portfolio { background: linear-gradient(180deg, #fff 0%, #FAFBFD 100%); }
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 40px;
}
.filter-btn {
  padding: 10px 20px;
  border-radius: 999px;
  background: var(--c-card);
  font-size: 14px;
  font-weight: 500;
  color: var(--c-sub);
  transition: all var(--t-fast) var(--ease);
}
.filter-btn:hover { color: var(--c-primary); }
.filter-btn.active {
  background: var(--c-primary);
  color: #fff;
}
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.pf-card {
  position: relative;
  background: var(--c-card);
  border-radius: var(--radius);
  overflow: hidden;
  cursor: pointer;
  transition: transform var(--t-mid) var(--ease), box-shadow var(--t-mid) var(--ease);
  display: flex;
  flex-direction: column;
}
.pf-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-md);
}
.pf-thumb {
  position: relative;
  aspect-ratio: 4/3;
  overflow: hidden;
  background: #E8ECF2;
}
.pf-thumb img, .pf-thumb video {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.8s var(--ease);
}
.pf-card:hover .pf-thumb img,
.pf-card:hover .pf-thumb video { transform: scale(1.05); }
.pf-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(17, 17, 17, 0.6) 100%);
  opacity: 0;
  display: flex;
  align-items: flex-end;
  padding: 20px;
  transition: opacity var(--t-mid) var(--ease);
}
.pf-card:hover .pf-overlay { opacity: 1; }
.pf-overlay-text {
  color: #fff;
  font-weight: 600;
  font-size: 15px;
  transform: translateY(10px);
  transition: transform var(--t-mid) var(--ease);
}
.pf-card:hover .pf-overlay-text { transform: translateY(0); }
.pf-badge {
  position: absolute;
  top: 16px; left: 16px;
  background: rgba(255,255,255,0.94);
  color: var(--c-primary);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  padding: 6px 12px;
  border-radius: 999px;
  text-transform: uppercase;
}
.pf-feature-badge {
  position: absolute;
  top: 16px; right: 16px;
  background: var(--c-primary);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  padding: 6px 10px;
  border-radius: 999px;
}
.pf-info { padding: 24px 24px 28px; }
.pf-cat {
  font-size: 12px;
  color: var(--c-primary);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 8px;
}
.pf-title {
  font-size: 19px;
  font-weight: 700;
  margin: 0 0 6px;
  letter-spacing: -0.01em;
  line-height: 1.4;
}
.pf-desc {
  font-size: 14px;
  color: var(--c-sub);
  margin: 0;
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.pf-video-icon {
  position: absolute;
  bottom: 16px; right: 16px;
  width: 44px; height: 44px;
  background: rgba(255,255,255,0.95);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--c-primary);
  box-shadow: var(--shadow-sm);
}
.portfolio-more { display: flex; justify-content: center; margin-top: 60px; }
.empty-state {
  grid-column: 1 / -1;
  text-align: center;
  padding: 80px 20px;
  color: var(--c-sub);
}

/* ===== Stats ===== */
.section-stats {
  background: var(--c-card);
  border-radius: var(--radius-lg);
  margin: 0 40px;
  padding: 100px 0;
}
@media (min-width: 1481px) {
  .section-stats { margin: 0 auto; max-width: var(--max-w); }
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  text-align: center;
}
.stat { display: flex; flex-direction: column; align-items: center; }
.stat-num {
  font-size: clamp(48px, 6vw, 80px);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--c-primary);
  line-height: 1;
}
.stat-suffix {
  font-size: clamp(28px, 3vw, 40px);
  font-weight: 700;
  color: var(--c-primary);
  margin-top: -8px;
}
.stat-label {
  font-size: 14px;
  color: var(--c-sub);
  font-weight: 500;
  letter-spacing: 0.08em;
  margin-top: 12px;
  text-transform: uppercase;
}

/* ===== Contact ===== */
.contact-card {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  background: var(--c-card);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-xs);
}
.contact-info {
  padding: 80px 60px;
  background: linear-gradient(135deg, var(--c-primary) 0%, #2A4FB0 100%);
  color: #fff;
}
.contact-info h3 {
  font-size: 28px;
  font-weight: 700;
  margin: 0 0 20px;
  letter-spacing: -0.02em;
}
.contact-info > p {
  opacity: 0.85;
  margin: 0 0 36px;
  line-height: 1.7;
}
.contact-types li {
  display: flex; align-items: center; gap: 12px;
  padding: 14px 0;
  border-top: 1px solid rgba(255,255,255,0.15);
  font-weight: 500;
  font-size: 15px;
}
.contact-types li:last-child { border-bottom: 1px solid rgba(255,255,255,0.15); }
.contact-types .dot {
  width: 6px; height: 6px;
  background: #fff;
  border-radius: 50%;
}
.contact-meta {
  margin-top: 40px;
  font-size: 14px;
  opacity: 0.9;
}
.contact-meta p { margin: 4px 0; }

.contact-form {
  padding: 80px 60px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.contact-form .row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.contact-form label {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.contact-form label > span {
  font-size: 13px;
  font-weight: 600;
  color: var(--c-text);
  letter-spacing: -0.01em;
}
.contact-form input,
.contact-form textarea {
  padding: 14px 16px;
  border: 1px solid var(--c-line-2);
  border-radius: 12px;
  background: #fff;
  font-size: 15px;
  outline: none;
  transition: border-color var(--t-fast) var(--ease), box-shadow var(--t-fast) var(--ease);
}
.contact-form input:focus,
.contact-form textarea:focus {
  border-color: var(--c-primary);
  box-shadow: 0 0 0 4px rgba(23, 62, 155, 0.08);
}
.contact-form textarea { resize: vertical; min-height: 120px; }
.contact-form .agree {
  flex-direction: row;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: var(--c-sub);
}
.contact-form .agree input { width: 16px; height: 16px; accent-color: var(--c-primary); }
.contact-form button { align-self: flex-start; margin-top: 8px; }
.form-message {
  font-size: 14px;
  font-weight: 500;
  color: var(--c-primary);
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.4s var(--ease), transform 0.4s var(--ease);
}
.form-message.show { opacity: 1; transform: translateY(0); }
.form-message.error { color: #B91C1C; }

/* ===== Footer ===== */
.site-footer {
  border-top: 1px solid var(--c-line);
  padding: 60px 0 40px;
  margin-top: var(--section-pad);
}
.footer-inner {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 40px;
  align-items: flex-start;
}
.footer-left img { height: 36px; margin-bottom: 16px; }
.footer-left p { font-size: 13px; color: var(--c-sub); margin: 4px 0; }
.footer-left .copyright { margin-top: 16px; font-size: 12px; }
.footer-right { display: flex; flex-direction: column; gap: 20px; align-items: flex-end; }
.sns { display: flex; gap: 8px; }
.sns a {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: var(--c-card);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--c-text);
  transition: transform var(--t-fast) var(--ease), background var(--t-fast) var(--ease), color var(--t-fast) var(--ease);
}
.sns a:hover {
  transform: scale(1.12);
  background: var(--c-primary);
  color: #fff;
}
.admin-link {
  font-size: 12px;
  color: var(--c-sub);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.admin-link:hover { color: var(--c-primary); }

/* ===== Modal ===== */
.modal {
  position: fixed; inset: 0;
  z-index: 200;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 40px 20px;
}
.modal.open { display: flex; }
.modal-backdrop {
  position: absolute; inset: 0;
  background: rgba(17, 17, 17, 0.7);
  backdrop-filter: blur(8px);
  animation: fadeIn 0.3s var(--ease);
}
.modal-dialog {
  position: relative;
  background: #fff;
  border-radius: var(--radius-lg);
  max-width: 1080px;
  width: 100%;
  max-height: 90vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  animation: modalIn 0.5s var(--ease);
  box-shadow: var(--shadow-lg);
}
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes modalIn {
  from { opacity: 0; transform: translateY(30px) scale(0.96); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}
.modal-close {
  position: absolute;
  top: 20px; right: 20px;
  width: 44px; height: 44px;
  border-radius: 50%;
  background: rgba(255,255,255,0.9);
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--c-text);
  transition: transform var(--t-fast) var(--ease), background var(--t-fast) var(--ease);
  box-shadow: var(--shadow-sm);
}
.modal-close:hover { transform: scale(1.1) rotate(90deg); background: #fff; }
.modal-body { overflow-y: auto; }
.pf-modal-hero {
  width: 100%;
  aspect-ratio: 16/9;
  background: var(--c-card);
  position: relative;
  overflow: hidden;
}
.pf-modal-hero img,
.pf-modal-hero video,
.pf-modal-hero iframe {
  width: 100%; height: 100%;
  object-fit: cover;
  border: 0;
  display: block;
}
.pf-modal-content { padding: 40px 50px 50px; }
.pf-modal-content .pf-cat { margin-bottom: 12px; }
.pf-modal-content h2 {
  font-size: 32px;
  font-weight: 800;
  margin: 0 0 16px;
  letter-spacing: -0.02em;
}
.pf-modal-meta {
  display: flex;
  gap: 30px;
  flex-wrap: wrap;
  padding: 16px 0;
  border-top: 1px solid var(--c-line);
  border-bottom: 1px solid var(--c-line);
  margin-bottom: 24px;
}
.pf-modal-meta div { display: flex; flex-direction: column; gap: 4px; }
.pf-modal-meta dt { font-size: 11px; color: var(--c-sub); letter-spacing: 0.1em; text-transform: uppercase; font-weight: 600; }
.pf-modal-meta dd { margin: 0; font-size: 14px; font-weight: 500; }
.pf-modal-content > p {
  font-size: 16px;
  line-height: 1.8;
  color: #333;
  margin: 0 0 32px;
  white-space: pre-wrap;
}
.pf-modal-tags { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 32px; }
.pf-modal-tags span {
  background: var(--c-card);
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 13px;
  color: var(--c-sub);
}
.pf-gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}
.pf-gallery img,
.pf-gallery video {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: 12px;
  cursor: zoom-in;
  transition: transform var(--t-fast) var(--ease);
}
.pf-gallery img:hover { transform: scale(1.02); }

/* ===== Lightbox ===== */
.lightbox {
  position: fixed; inset: 0;
  z-index: 300;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,0.92);
  padding: 60px;
}
.lightbox.open { display: flex; }
.lb-content {
  max-width: 90vw;
  max-height: 85vh;
  display: flex;
  align-items: center;
  justify-content: center;
}
.lb-content img,
.lb-content video {
  max-width: 100%;
  max-height: 85vh;
  object-fit: contain;
  border-radius: 8px;
}
.lb-close, .lb-prev, .lb-next {
  position: absolute;
  background: rgba(255,255,255,0.1);
  color: #fff;
  width: 56px; height: 56px;
  border-radius: 50%;
  font-size: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--t-fast) var(--ease);
}
.lb-close:hover, .lb-prev:hover, .lb-next:hover { background: rgba(255,255,255,0.2); }
.lb-close { top: 30px; right: 30px; font-size: 28px; }
.lb-prev { left: 30px; top: 50%; transform: translateY(-50%); }
.lb-next { right: 30px; top: 50%; transform: translateY(-50%); }

/* ===== Reveal animations ===== */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}
.reveal.in {
  opacity: 1;
  transform: translateY(0);
}
.reveal[data-delay="1"].in { transition-delay: 0.08s; }
.reveal[data-delay="2"].in { transition-delay: 0.16s; }
.reveal[data-delay="3"].in { transition-delay: 0.24s; }
.reveal[data-delay="4"].in { transition-delay: 0.32s; }
.reveal[data-delay="5"].in { transition-delay: 0.40s; }
.reveal[data-delay="6"].in { transition-delay: 0.48s; }

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  :root { --section-pad: 100px; }
  .container { padding: 0 28px; }
  .hero-inner { grid-template-columns: 1fr; gap: 60px; }
  .hero-visual { max-width: 540px; }
  .about-card { grid-template-columns: 1fr; }
  .about-text { padding: 60px 40px; }
  .about-visual { min-height: 380px; }
  .services { grid-template-columns: repeat(2, 1fr); }
  .portfolio-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-card { grid-template-columns: 1fr; }
  .contact-info, .contact-form { padding: 50px 40px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 50px 20px; }
  .footer-inner { grid-template-columns: 1fr; }
  .footer-right { align-items: flex-start; }

  .nav-toggle { display: flex; }
  .primary-nav {
    position: fixed;
    top: 0; right: 0;
    width: 80%; max-width: 360px;
    height: 100vh;
    background: #fff;
    padding: 100px 40px 40px;
    transform: translateX(100%);
    transition: transform 0.5s var(--ease);
    box-shadow: var(--shadow-lg);
  }
  .primary-nav.open { transform: translateX(0); }
  .primary-nav ul { flex-direction: column; gap: 24px; }
  .primary-nav a { font-size: 22px; font-weight: 600; }
}

@media (max-width: 640px) {
  :root { --section-pad: 80px; --radius-lg: 22px; --radius: 16px; }
  .container { padding: 0 20px; }
  .hero { padding: 140px 0 80px; }
  .hero-title { font-size: 42px; }
  .hero-desc { font-size: 16px; }
  .section-head { margin-bottom: 50px; }
  .about-text { padding: 40px 24px; }
  .about-visual { min-height: 280px; }
  .services { grid-template-columns: 1fr; }
  .portfolio-grid { grid-template-columns: 1fr; }
  .contact-info, .contact-form { padding: 40px 24px; }
  .contact-form .row { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .pf-modal-content { padding: 30px 24px 40px; }
  .pf-gallery { grid-template-columns: repeat(2, 1fr); }
  .section-stats { margin: 0 20px; padding: 60px 0; }
  .footer-inner { gap: 24px; }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}