/* =====================================================================
   Md Nahid | Social Media Manager Portfolio - style.css
   1. Colors & settings   2. Base   3. Buttons & shared   4. Header
   5. Hero   6. Strip   7. Services   8. Portfolio   9. Process
   10. About   11. Industries   12. FAQ   13. Contact   14. Footer
   15. Lightbox & utilities   16. Responsive   17. Reduced motion
   ===================================================================== */

/* ---------- 1. COLORS & SETTINGS (edit colors here only) ---------- */
:root {
  --color-primary: #B7F51B;      /* main lime: buttons, highlights */
  --color-secondary: #D1F75B;    /* lighter lime */
  --color-dark-green: #087443;   /* dark green accents */
  --color-navy: #172C49;         /* deep navy */
  --color-background: #F4F5EF;   /* page background */
  --color-white: #FFFFFF;
  --color-text: #171A18;
  --color-muted: #626960;
  --color-border: #DDE1D7;

  --color-lime-text: #4E9300;    /* darker lime used for green text on light backgrounds (readable) */
  --color-lime-soft: #E6F9A8;    /* very light lime tint */
  --color-ink: #161A17;          /* near-black used in dark cards */

  --font-main: "Manrope", "Inter", "DM Sans", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;

  --radius-sm: 12px;
  --radius: 22px;
  --radius-lg: 32px;
  --max-width: 1180px;
  --header-h: 72px;
  --shadow-soft: 0 10px 30px rgba(23, 26, 24, 0.08);
}

/* ---------- 2. BASE ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 12px); -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-main);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--color-text);
  background: var(--color-background);
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, p { margin: 0; }
h1, h2, h3 { line-height: 1.12; letter-spacing: -0.02em; font-weight: 800; }
h1 { font-size: clamp(2.4rem, 5.6vw, 4.4rem); }
h2 { font-size: clamp(1.8rem, 3.8vw, 2.85rem); }
h3 { font-size: 1.2rem; }
.container { width: min(100% - 40px, var(--max-width)); margin-inline: auto; }
.icon { width: 1.25em; height: 1.25em; flex: none; }

:focus-visible { outline: 3px solid var(--color-navy); outline-offset: 3px; border-radius: 6px; }
.skip-link {
  position: absolute; left: 16px; top: -60px; z-index: 200;
  background: var(--color-navy); color: #fff; padding: 10px 16px; border-radius: 10px; text-decoration: none;
}
.skip-link:focus { top: 12px; }

/* ---------- 3. BUTTONS & SHARED ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 14px 26px; border-radius: 999px; border: 2px solid transparent;
  font: inherit; font-weight: 700; font-size: 0.98rem; line-height: 1.2; text-decoration: none; cursor: pointer;
  transition: transform .2s ease, background-color .2s ease, color .2s ease, border-color .2s ease, box-shadow .2s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--color-primary); color: var(--color-text); }
.btn-primary:hover { background: var(--color-secondary); box-shadow: 0 8px 20px rgba(183, 245, 27, 0.45); }
.btn-outline { border-color: var(--color-text); color: var(--color-text); background: transparent; }
.btn-outline:hover { background: var(--color-text); color: #fff; }
.btn-dark { background: var(--color-ink); color: #fff; }
.btn-dark:hover { background: var(--color-navy); }
.btn-lg { padding: 17px 32px; font-size: 1.05rem; }
.btn-row { display: flex; flex-wrap: wrap; gap: 14px; }
.btn-row-center { justify-content: center; }

.pill {
  display: inline-block; padding: 6px 16px; border-radius: 999px;
  background: var(--color-dark-green); color: #fff; font-size: .8rem; font-weight: 700; letter-spacing: .04em;
}
.section { padding: clamp(64px, 9vw, 120px) 0; }
.section-tight { padding-top: clamp(32px, 5vw, 60px); }
.section-head { max-width: 820px; margin-bottom: clamp(32px, 5vw, 56px); }
.section-head .pill { margin-bottom: 18px; }
.section-head h2 { margin-bottom: 16px; }
.section-sub { color: var(--color-muted); font-size: 1.08rem; max-width: 640px; }

/* ---------- 4. HEADER ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100; height: var(--header-h);
  background: rgba(244, 245, 239, 0.88);
  -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent; transition: border-color .25s ease, box-shadow .25s ease;
}
.site-header.is-scrolled { border-bottom-color: var(--color-border); box-shadow: 0 6px 20px rgba(23, 26, 24, 0.05); }
.nav { height: var(--header-h); display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.logo { font-weight: 800; font-size: 1.45rem; letter-spacing: -0.03em; text-decoration: none; color: var(--color-text); }
.logo-dot { color: var(--color-lime-text); }
.nav-menu ul { display: flex; gap: 6px; }
.nav-menu a:not(.btn) {
  display: block; padding: 8px 16px; border-radius: 999px; text-decoration: none;
  font-size: .95rem; font-weight: 600; color: var(--color-text); transition: background-color .2s ease;
}
.nav-menu a:not(.btn):hover { background: rgba(23, 26, 24, .06); }
.nav-menu a.is-active { background: var(--color-lime-soft); color: var(--color-dark-green); }
.nav-cta { padding: 11px 22px; }
.nav-cta-mobile { display: none; }
.nav-toggle {
  display: none; width: 46px; height: 46px; border: 0; border-radius: 50%;
  background: var(--color-primary); cursor: pointer; align-items: center; justify-content: center;
}
.bars { display: grid; gap: 5px; width: 20px; }
.bars span { display: block; height: 2px; background: var(--color-text); border-radius: 2px; transition: transform .25s ease, opacity .2s ease; }
.nav-toggle[aria-expanded="true"] .bars span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .bars span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .bars span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- 5. HERO ---------- */
.hero { padding: clamp(36px, 6vw, 80px) 0 clamp(40px, 6vw, 72px); overflow: clip; }
.hero-grid { display: grid; grid-template-columns: 1.05fr 1fr; gap: clamp(24px, 5vw, 64px); align-items: center; }
.eyebrow { font-size: .8rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; color: var(--color-dark-green); margin-bottom: 20px; }
.hero h1 { margin-bottom: 24px; }
.hl { color: var(--color-lime-text); }
.lead { font-size: clamp(1.02rem, 1.6vw, 1.18rem); color: var(--color-muted); max-width: 540px; margin-bottom: 32px; }
.tag-list { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 36px; padding-top: 22px; border-top: 1px solid var(--color-text); max-width: 540px; }
.tag-list li { padding: 6px 14px; border: 1px solid var(--color-text); border-radius: 999px; font-size: .82rem; font-weight: 600; }

.hero-visual-wrap { position: relative; }
.hero-visual {
  position: relative; width: 100%; max-width: 520px; margin-inline: auto; aspect-ratio: 1 / 1;
  container-type: inline-size;
}
.visual-caption { text-align: center; font-size: .78rem; color: var(--color-muted); margin-top: 8px; }
.ring { position: absolute; border-radius: 50%; border: 1.5px solid var(--color-primary); }
.ring-1 { inset: 4%; }
.ring-2 { inset: 17%; border-color: var(--color-secondary); background: radial-gradient(circle, rgba(209, 247, 91, .35), transparent 68%); }
.v-card { position: absolute; border-radius: 6cqw; box-shadow: 0 2cqw 6cqw rgba(23, 26, 24, .14); }
.v-label { display: block; font-size: 2.7cqw; font-weight: 700; color: var(--color-text); }
.v-label-light { color: rgba(255, 255, 255, .92); }
.v-note { display: block; font-size: 2.3cqw; color: var(--color-muted); margin-top: 1.2cqw; }
.v-stats { left: 3%; top: 14%; width: 40%; padding: 3.6cqw; background: #fff; border-radius: 4.5cqw; animation: float 7s ease-in-out infinite; }
.bars-mini { display: flex; align-items: flex-end; gap: 1.6cqw; height: 14cqw; margin-top: 2.6cqw; }
.bars-mini i { flex: 1; height: var(--h); background: var(--color-primary); border-radius: 1cqw; }
.bars-mini i:nth-child(even) { background: var(--color-dark-green); }

.v-post {
  right: 2%; top: 20%; width: 41%; padding: 3.4cqw;
  background: linear-gradient(150deg, #C8F94A 0%, #8FD20E 100%); animation: float 8s ease-in-out -2s infinite;
}
.post-head, .post-foot { display: flex; align-items: center; gap: 2cqw; }
.avatar { width: 6cqw; height: 6cqw; border-radius: 50%; background: var(--color-ink); }
.lines { display: grid; gap: 1cqw; flex: 1; }
.lines i { display: block; height: 1.3cqw; background: rgba(23, 26, 24, .55); border-radius: 2cqw; }
.lines i:nth-child(2) { width: 60%; opacity: .6; }
.post-art {
  margin: 2.6cqw 0; aspect-ratio: 1 / 1; border-radius: 3cqw; background: var(--color-ink);
  display: grid; place-items: center; text-align: center;
  font-weight: 800; font-size: 5.4cqw; line-height: 1.1; color: var(--color-primary); letter-spacing: -.02em;
}
.post-foot .icon { width: 4.6cqw; height: 4.6cqw; color: var(--color-ink); }
.v-plan {
  left: 12%; bottom: 8%; width: 46%; padding: 3.6cqw;
  background: linear-gradient(145deg, var(--color-dark-green), #0B5F6B); animation: float 9s ease-in-out -4s infinite;
}
.cal-mini { display: grid; grid-template-columns: repeat(7, 1fr); gap: 1.4cqw; margin-top: 2.4cqw; }
.cal-mini i { aspect-ratio: 1; border-radius: 1.2cqw; background: rgba(255, 255, 255, .22); }
.cal-mini i.on { background: var(--color-primary); }
.chip {
  position: absolute; display: inline-flex; align-items: center; gap: 1.4cqw;
  padding: 2cqw 3.4cqw; border-radius: 999px; font-size: 2.8cqw; font-weight: 700; background: #fff; box-shadow: var(--shadow-soft);
}
.chip .icon { width: 3.6cqw; height: 3.6cqw; padding: .6cqw; border-radius: 50%; background: var(--color-primary); }
.chip-notify { right: 5%; top: 7%; animation: float 6s ease-in-out -1s infinite; }
.chip-round {
  position: absolute; right: 14%; bottom: 9%; width: 10cqw; height: 10cqw; border-radius: 50%;
  background: var(--color-ink); color: var(--color-primary); display: grid; place-items: center; box-shadow: var(--shadow-soft);
}
.chip-round .icon { width: 5cqw; height: 5cqw; }
@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-1.8cqw); } }

/* ---------- 6. FOCUS STRIP ---------- */
.strip { padding: 24px 0 clamp(36px, 5vw, 60px); }
.strip-title { text-align: center; font-size: .85rem; font-weight: 700; letter-spacing: .06em; color: var(--color-navy); margin-bottom: 22px; }
.strip-list { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px clamp(20px, 4vw, 48px); }
.strip-list li { font-size: clamp(1.05rem, 2vw, 1.45rem); font-weight: 800; letter-spacing: -.02em; color: #8B9187; }

/* ---------- 7. SERVICES ---------- */
.service-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.service-card {
  position: relative; display: flex; flex-direction: column; gap: 14px; overflow: hidden;
  padding: 28px 24px 26px; border-radius: var(--radius); min-height: 400px;
  transition: transform .3s ease, box-shadow .3s ease;
}
.service-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-soft); }
.service-card::after {
  content: ""; position: absolute; right: -50px; bottom: -50px; width: 170px; height: 170px;
  border-radius: 50%; background: rgba(255, 255, 255, .35); pointer-events: none;
}
.tone-a { background: var(--color-secondary); }
.tone-b { background: var(--color-primary); }
.tone-c { background: #A6E314; }
.tone-d { background: var(--color-lime-soft); }
.service-icon { width: 52px; height: 52px; border-radius: 16px; background: var(--color-text); color: var(--color-primary); display: grid; place-items: center; }
.service-icon .icon { width: 26px; height: 26px; }
.service-card h3 { font-size: 1.28rem; margin-top: 6px; }
.service-card p { font-size: .95rem; color: #2B312C; }
.service-card ul { margin-top: auto; display: grid; gap: 8px; position: relative; z-index: 1; }
.service-card li { display: flex; gap: 8px; font-size: .9rem; font-weight: 600; }
.service-card li::before { content: ""; flex: none; width: 7px; height: 7px; margin-top: .6em; border-radius: 50%; background: var(--color-text); }

/* ---------- 8. PORTFOLIO ---------- */
.filters { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 30px; }
.filter-btn {
  padding: 10px 20px; border-radius: 999px; border: 1.5px solid var(--color-border); background: #fff;
  font: inherit; font-size: .9rem; font-weight: 700; color: var(--color-text); cursor: pointer;
  transition: background-color .2s ease, border-color .2s ease, transform .2s ease;
}
.filter-btn:hover { border-color: var(--color-text); }
.filter-btn[aria-pressed="true"] { background: var(--color-primary); border-color: var(--color-primary); }

.pf-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.pf-card { display: flex; flex-direction: column; background: #fff; border: 1px solid var(--color-border); border-radius: var(--radius); overflow: hidden; transition: transform .3s ease, box-shadow .3s ease; animation: cardIn .45s ease both; }
.pf-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-soft); }
.pf-thumb { position: relative; display: block; width: 100%; padding: 0; border: 0; background: var(--color-lime-soft); cursor: zoom-in; aspect-ratio: 4 / 5; overflow: hidden; }
.pf-thumb img { width: 100%; height: 100%; object-fit: cover; object-position: top center; transition: transform .5s ease; }
.pf-card:hover .pf-thumb img { transform: scale(1.04); }
.pf-thumb .pf-zoom {
  position: absolute; right: 12px; bottom: 12px; padding: 7px 14px; border-radius: 999px;
  background: rgba(23, 26, 24, .85); color: #fff; font-size: .78rem; font-weight: 700; opacity: 0; transform: translateY(6px); transition: opacity .25s ease, transform .25s ease;
}
.pf-thumb:hover .pf-zoom, .pf-thumb:focus-visible .pf-zoom { opacity: 1; transform: none; }
.pf-empty {
  position: absolute; inset: 0; display: none; flex-direction: column; align-items: center; justify-content: center; gap: 6px; padding: 20px; text-align: center;
  background: repeating-linear-gradient(135deg, var(--color-lime-soft) 0 14px, #EEFBC4 14px 28px); color: var(--color-dark-green); font-weight: 800; font-size: .95rem;
}
.pf-empty small { font-weight: 600; color: var(--color-muted); }
.pf-card.is-empty .pf-empty { display: flex; }
.pf-card.is-empty .pf-thumb img { visibility: hidden; }
.pf-body { padding: 18px 20px 22px; display: grid; gap: 8px; }
.pf-meta { display: flex; flex-wrap: wrap; gap: 8px; }
.pf-meta span { font-size: .72rem; font-weight: 800; letter-spacing: .05em; text-transform: uppercase; padding: 4px 10px; border-radius: 999px; background: var(--color-lime-soft); color: var(--color-dark-green); }
.pf-meta span.pf-label { background: var(--color-navy); color: #fff; }
.pf-body h3 { font-size: 1.1rem; }
.pf-body p { font-size: .92rem; color: var(--color-muted); }
.pf-link { display: inline-flex; align-items: center; gap: 6px; font-weight: 700; font-size: .9rem; color: var(--color-dark-green); text-decoration: none; margin-top: 4px; }
.pf-link:hover { text-decoration: underline; }
.pf-more { display: flex; justify-content: center; margin-top: 34px; }
.pf-more[hidden], .pf-more button[hidden] { display: none; }
.pf-note { text-align: center; color: var(--color-muted); font-size: .88rem; margin-top: 22px; }
@keyframes cardIn { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }

/* ---------- 9. PROCESS ---------- */
.process { position: relative; background: var(--color-primary); padding: clamp(64px, 9vw, 110px) 0; overflow: hidden; }
.process-grid { display: grid; grid-template-columns: 1fr 1.05fr; gap: clamp(28px, 6vw, 80px); align-items: center; }
.dash { position: relative; padding: 20px 0 20px; }
.dash-watermark {
  position: absolute; left: -4%; bottom: -14%; font-size: clamp(7rem, 17vw, 14rem); font-weight: 800; letter-spacing: -.06em; line-height: 1;
  color: rgba(8, 116, 67, .16); pointer-events: none; user-select: none;
}
.dash-card { position: relative; background: var(--color-ink); color: #fff; border-radius: var(--radius-lg); padding: clamp(20px, 3vw, 30px); box-shadow: 0 24px 50px rgba(23, 26, 24, .25); }
.dash-top { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-bottom: 20px; }
.dash-title { font-weight: 700; font-size: .98rem; }
.dash-badge { font-size: .72rem; font-weight: 700; padding: 4px 12px; border-radius: 999px; border: 1px solid rgba(255, 255, 255, .35); color: rgba(255, 255, 255, .85); }
.dash-rows { display: grid; gap: 14px; }
.dash-rows li { display: grid; grid-template-columns: 38px 1fr auto; gap: 14px; align-items: center; font-size: .85rem; }
.d-day { color: rgba(255, 255, 255, .6); font-weight: 600; }
.d-bar { display: block; height: 10px; width: 100%; border-radius: 99px; background: rgba(255, 255, 255, .1); position: relative; overflow: hidden; }
.d-bar::after { content: ""; position: absolute; inset: 0; width: var(--w); background: var(--color-primary); border-radius: 99px; }
.d-tag { font-size: .75rem; font-weight: 700; padding: 3px 10px; border-radius: 999px; background: rgba(183, 245, 27, .16); color: var(--color-primary); }
.dash-actions { display: flex; align-items: center; gap: 10px; margin-top: 26px; flex-wrap: wrap; }
.d-pill { padding: 10px 20px; border-radius: 999px; border: 1px solid rgba(255, 255, 255, .3); font-weight: 600; font-size: .88rem; }
.d-plus { margin-left: auto; width: 44px; height: 44px; border-radius: 50%; background: var(--color-primary); color: var(--color-ink); display: grid; place-items: center; }

.process-copy h2 { margin-bottom: 30px; max-width: 520px; }
.steps { display: grid; gap: 18px; }
.steps li { display: flex; gap: 16px; align-items: flex-start; }
.step-num { flex: none; width: 44px; height: 44px; border-radius: 50%; background: var(--color-dark-green); color: #fff; font-weight: 800; display: grid; place-items: center; }
.steps h3 { font-size: 1.08rem; margin-bottom: 2px; }
.steps p { font-size: .95rem; color: #263027; }

/* ---------- 10. ABOUT ---------- */
.about-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: clamp(28px, 6vw, 80px); align-items: center; }
.about-photo { position: relative; max-width: 460px; margin-inline: auto; width: 100%; }
.photo-frame { position: relative; border-radius: var(--radius-lg); overflow: hidden; aspect-ratio: 1 / 1; background: var(--color-ink); box-shadow: var(--shadow-soft); }
.photo-frame::before { content: ""; position: absolute; inset: auto -20% -30% auto; width: 70%; aspect-ratio: 1; border-radius: 50%; background: var(--color-primary); opacity: .35; z-index: 1; pointer-events: none; }
.photo-frame img { position: relative; z-index: 2; width: 100%; height: 100%; object-fit: cover; }
.about-photo::before { content: ""; position: absolute; inset: 16px -16px -16px 16px; border-radius: var(--radius-lg); background: var(--color-primary); z-index: -1; }
.photo-chip { position: absolute; left: -10px; bottom: 24px; z-index: 3; display: inline-flex; align-items: center; gap: 8px; padding: 10px 18px; border-radius: 999px; background: #fff; font-size: .88rem; font-weight: 700; box-shadow: var(--shadow-soft); }
.photo-chip .icon { width: 22px; height: 22px; padding: 3px; border-radius: 50%; background: var(--color-primary); }
.about-copy .pill { margin-bottom: 16px; }
.about-copy h2 { margin-bottom: 20px; }
.about-copy p { color: var(--color-muted); margin-bottom: 14px; max-width: 580px; }
.mini-title { font-size: .85rem; text-transform: uppercase; letter-spacing: .08em; color: var(--color-navy); margin: 24px 0 12px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 8px; }
.chips li { padding: 7px 14px; border-radius: 999px; background: #fff; border: 1px solid var(--color-border); font-size: .86rem; font-weight: 600; }
.chips-tools li { background: var(--color-navy); border-color: var(--color-navy); color: #fff; }
.about-copy .btn { margin-top: 24px; }

/* ---------- 11. INDUSTRIES ---------- */
.industry-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; }
.industry-card { padding: 24px 20px 26px; border-radius: var(--radius); background: #fff; border: 1px solid var(--color-border); transition: background-color .3s ease, transform .3s ease; }
.industry-card:hover { background: var(--color-secondary); transform: translateY(-5px); }
.ind-num { display: inline-block; font-weight: 800; font-size: .85rem; color: var(--color-lime-text); margin-bottom: 36px; }
.industry-card h3 { font-size: 1.1rem; margin-bottom: 10px; }
.industry-card p { font-size: .9rem; color: var(--color-muted); }
.industry-card:hover p { color: #2B312C; }

/* ---------- 12. FAQ ---------- */
.faq-wrap { max-width: 860px; }
.faq-list { display: grid; gap: 12px; }
.faq-list details { background: #fff; border: 1px solid var(--color-border); border-radius: var(--radius-sm); transition: border-color .2s ease; }
.faq-list details[open] { border-color: var(--color-dark-green); }
.faq-list summary {
  display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 18px 22px;
  font-weight: 700; cursor: pointer; list-style: none;
}
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: "+"; flex: none; width: 30px; height: 30px; border-radius: 50%; background: var(--color-primary); display: grid; place-items: center; font-size: 1.3rem; line-height: 1; transition: transform .25s ease; }
.faq-list details[open] summary::after { transform: rotate(45deg); }
.faq-list details p { padding: 0 22px 20px; color: var(--color-muted); }

/* ---------- 13. CONTACT ---------- */
.contact { padding: clamp(32px, 5vw, 60px) 0 clamp(64px, 9vw, 110px); }
.contact-card {
  position: relative; overflow: hidden; text-align: center; border-radius: var(--radius-lg);
  padding: clamp(40px, 7vw, 84px) clamp(22px, 5vw, 64px); background: var(--color-navy); color: #fff;
}
.contact-card::before, .contact-card::after { content: ""; position: absolute; border-radius: 50%; pointer-events: none; }
.contact-card::before { width: 380px; height: 380px; right: -130px; top: -160px; background: var(--color-primary); opacity: .9; }
.contact-card::after { width: 220px; height: 220px; left: -80px; bottom: -100px; border: 2px solid var(--color-primary); }
.contact-card > * { position: relative; z-index: 1; }
.contact-card h2 { max-width: 760px; margin: 0 auto 16px; }
.contact-card > p { max-width: 560px; margin: 0 auto 32px; color: rgba(255, 255, 255, .82); font-size: 1.08rem; }
.contact-card .btn-dark { background: #fff; color: var(--color-ink); }
.contact-card .btn-dark:hover { background: var(--color-secondary); }
.contact-list { display: flex; flex-wrap: wrap; justify-content: center; gap: 14px; margin-top: 40px; }
.contact-list li { display: flex; align-items: center; gap: 12px; text-align: left; padding: 12px 20px; border-radius: 999px; background: rgba(255, 255, 255, .1); border: 1px solid rgba(255, 255, 255, .18); }
.contact-list li[hidden] { display: none; }
.contact-list .icon { color: var(--color-primary); width: 24px; height: 24px; }
.contact-list span { display: grid; line-height: 1.3; font-size: .9rem; }
.contact-list b { font-size: .72rem; letter-spacing: .08em; text-transform: uppercase; color: rgba(255, 255, 255, .6); }
.contact-list a { color: #fff; font-weight: 600; text-decoration: none; word-break: break-all; }
.contact-list a:hover { text-decoration: underline; }
.contact-card :focus-visible { outline-color: var(--color-primary); }

/* ---------- 14. FOOTER ---------- */
.site-footer { background: var(--color-ink); color: rgba(255, 255, 255, .78); padding: 56px 0 0; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 32px; padding-bottom: 40px; }
.site-footer .logo { color: #fff; }
.site-footer .logo-dot { color: var(--color-primary); }
.footer-role { margin-top: 8px; font-weight: 700; color: var(--color-primary); }
.footer-tag { margin-top: 10px; max-width: 320px; font-size: .94rem; }
.footer-title { font-size: .8rem; letter-spacing: .1em; text-transform: uppercase; color: #fff; margin-bottom: 14px; }
.site-footer li + li { margin-top: 8px; }
.site-footer a { text-decoration: none; transition: color .2s ease; word-break: break-word; }
.site-footer li a:hover { color: var(--color-primary); }
.site-footer :focus-visible { outline-color: var(--color-primary); }
.footer-bottom { border-top: 1px solid rgba(255, 255, 255, .12); padding: 20px 0 24px; font-size: .86rem; }

/* ---------- 15. LIGHTBOX & UTILITIES ---------- */
.lightbox { width: min(94vw, 980px); max-height: 94vh; padding: 0; border: 0; border-radius: var(--radius); background: var(--color-ink); color: #fff; overflow: hidden; }
.lightbox::backdrop { background: rgba(10, 12, 10, .82); }
.lb-figure { margin: 0; display: grid; grid-template-rows: minmax(0, 1fr) auto; max-height: 94vh; }
.lb-figure img { width: 100%; max-height: 74vh; object-fit: contain; background: #0E110F; }
.lb-missing { padding: 60px 20px; text-align: center; color: rgba(255, 255, 255, .75); }
.lb-figure figcaption { display: grid; gap: 4px; padding: 16px 24px 20px; }
.lb-cat { font-size: .72rem; letter-spacing: .08em; text-transform: uppercase; color: var(--color-primary); font-weight: 800; }
.lb-figure figcaption strong { font-size: 1.1rem; }
.lb-figure figcaption span:last-child { color: rgba(255, 255, 255, .7); font-size: .92rem; }
.lb-close, .lb-nav { position: absolute; z-index: 2; width: 46px; height: 46px; border: 0; border-radius: 50%; background: var(--color-primary); color: var(--color-ink); display: grid; place-items: center; cursor: pointer; transition: transform .2s ease; }
.lb-close:hover, .lb-nav:hover { transform: scale(1.08); }
.lb-close { top: 14px; right: 14px; }
.lb-nav { top: 40%; }
.lb-prev { left: 14px; transform: scaleX(-1); }
.lb-prev:hover { transform: scaleX(-1) scale(1.08); }
.lb-next { right: 14px; }
.lightbox :focus-visible { outline-color: #fff; }

.to-top { position: fixed; right: 20px; bottom: 20px; z-index: 90; width: 48px; height: 48px; border: 0; border-radius: 50%; background: var(--color-primary); color: var(--color-ink); display: grid; place-items: center; cursor: pointer; box-shadow: var(--shadow-soft); transition: transform .2s ease; }
.to-top:hover { transform: translateY(-3px); }
.to-top[hidden] { display: none; }

/* Scroll reveal (only active when JavaScript runs) */
.js .reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.js .reveal.is-visible { opacity: 1; transform: none; }

/* ---------- 16. RESPONSIVE ---------- */
@media (max-width: 1100px) {
  .service-grid { grid-template-columns: repeat(2, 1fr); }
  .service-card { min-height: 0; }
  .industry-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 900px) {
  .hero-grid, .process-grid, .about-grid { grid-template-columns: 1fr; }
  .hero-visual { max-width: 440px; }
  .pf-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }

  .nav-toggle { display: inline-flex; }
  .nav-cta { display: none; }
  .nav-menu {
    position: absolute; top: var(--header-h); left: 0; right: 0; padding: 12px 20px 24px;
    background: var(--color-background); border-bottom: 1px solid var(--color-border); box-shadow: 0 16px 30px rgba(23, 26, 24, .08);
    display: none;
  }
  .nav-menu.is-open { display: block; }
  .nav-menu ul { flex-direction: column; gap: 2px; }
  .nav-menu a:not(.btn) { padding: 14px 16px; font-size: 1.05rem; }
  .nav-cta-mobile { display: flex; margin-top: 14px; }
}

@media (max-width: 640px) {
  .container { width: min(100% - 32px, var(--max-width)); }
  .service-grid { grid-template-columns: 1fr; }
  .industry-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .industry-card { padding: 20px 16px; }
  .ind-num { margin-bottom: 22px; }
  .pf-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .pf-body { padding: 12px 12px 16px; gap: 6px; }
  .pf-body h3 { font-size: .95rem; }
  .pf-body p { display: none; }
  .pf-meta span { font-size: .62rem; padding: 3px 8px; }
  .pf-thumb .pf-zoom { display: none; }
  .btn-row .btn { flex: 1 1 100%; }
  .footer-grid { grid-template-columns: 1fr; }
  .contact-list li { width: 100%; border-radius: var(--radius-sm); }
  .dash-rows li { grid-template-columns: 32px 1fr auto; gap: 10px; }
  .photo-chip { left: 8px; }
  .about-photo::before { inset: 12px -8px -12px 12px; }
  .lb-nav { top: auto; bottom: 14px; }
  .lb-figure figcaption { padding-bottom: 72px; }
}

@media (max-width: 400px) {
  .industry-grid { grid-template-columns: 1fr; }
}

/* ---------- 17. REDUCED MOTION ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .js .reveal { opacity: 1; transform: none; }
}