/* ============================================================
   DESIGNING FUTURES — styles.css
   ============================================================ */

/* ─── RESET & BASE ─── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; color-scheme: dark light; }
body {
  font-family: 'Outfit', sans-serif;
  background: var(--bg);
  color: var(--text);
  overflow-x: hidden;
  transition: background 0.3s, color 0.3s;
}

/* ─── VARIABLES ─── */
:root {
  --serif: 'Bebas Neue', Impact, sans-serif;
  --sans: 'Outfit', sans-serif;

  /* Primary accent */
  --terra: #FC6423;
  --terra-light: rgba(252,100,35,0.12);
  --terra-dark: #d44e18;

  /* Emphasis — same orange, used for highlighted words in headings */
  --emphasis: #FC6423;

  /* Backgrounds — deep warm blacks with brown undertone */
  --ink: #0f0c0a;
  --ink-mid: #1a1512;
  --ink-warm: #231e18;

  /* Text */
  --cream: #f2ede4;
  --muted: rgba(242,237,228,0.78);

  /* Earth accent tones */
  --sand: #c8a97a;
  --sand-light: rgba(200,169,122,0.15);
  --ochre: #b8864e;
  --moss: #6b7c5a;

  --nav-h: 150px;

  /* ─── SEMANTIC THEME TOKENS (default = dark mode, the brand) ─── */
  --bg:            #0f0c0a;
  --bg-elevated:   #1a1512;
  --bg-warm:       #231e18;
  --text:          #f2ede4;
  --text-muted:    rgba(242,237,228,0.78);
  --border-soft:   rgba(240,236,228,0.07);
  --border-strong: rgba(240,236,228,0.15);
  --drawer-bg:     rgba(10,10,8,0.97);
  --overlay:       rgba(10,10,8,0.55);
  --form-field-bg: rgba(255,255,255,0.04);
  --form-border:   rgba(255,255,255,0.12);
}

/* ─── LIGHT MODE (auto-detect, no toggle, respects user OS) ─── */
@media (prefers-color-scheme: light) {
  :root {
    --bg:            #f7f4ec;
    --bg-elevated:   #ffffff;
    --bg-warm:       #efe9dd;
    --text:          #14110e;
    --text-muted:    rgba(20,17,14,0.72);
    --border-soft:   rgba(20,17,14,0.10);
    --border-strong: rgba(20,17,14,0.22);
    --drawer-bg:     rgba(247,244,236,0.97);
    --overlay:       rgba(20,17,14,0.45);
    --form-field-bg: rgba(20,17,14,0.04);
    --form-border:   rgba(20,17,14,0.18);
  }

  /* Logo SVG: invert white mark to dark on light background */
  .nav-logo-img,
  .f-logo-img,
  .thanks-mark { filter: invert(1) hue-rotate(180deg); }
}

/* ─── EMPHASIS WORDS ─── */
.em { color: var(--emphasis); }

/* ─── ACCESSIBILITY UTILITY ─── */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--terra); border-radius: 2px; }

/* ─── NAV ─── */
#main-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 200;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: nowrap;
  padding: 0 5%;
  transition: background 0.4s;
  overflow: hidden;
}
#main-nav.scrolled {
  background: var(--drawer-bg);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-soft);
}
.nav-logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  flex-shrink: 0;
  height: 100%;
  overflow: hidden;
}
.nav-logo-img {
  height: 140px;
  width: auto;
  display: block;
  object-fit: contain;
}
.nav-right { display: flex; align-items: center; gap: 2rem; flex-wrap: nowrap; flex-shrink: 0; }
.nav-links { display: flex; gap: 2rem; list-style: none; flex-wrap: nowrap; align-items: center; }
.nav-links a {
  font-size: 0.78rem;
  font-weight: 400;
  color: var(--text);
  text-decoration: none;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--text); }
.nav-cta {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--terra);
  border: 1px solid var(--terra);
  padding: 0.45rem 1.1rem;
  border-radius: 1px;
  text-decoration: none;
  transition: background 0.2s, color 0.2s;
  white-space: nowrap;
}
.nav-cta:hover { background: var(--terra); color: var(--text); }

/* ─── HAMBURGER ─── */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}
.hamburger span {
  display: block; width: 24px; height: 1.5px;
  background: var(--text);
  transition: transform 0.3s, opacity 0.3s;
}
.hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(4.5px,4.5px); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(4.5px,-4.5px); }

/* ─── MOBILE NAV DRAWER ─────────────────────────────── */
/* The mobile drawer reuses .nav-right; rules live in the 768px media query. */

/* ─── HERO SLIDER ─── */
#hero {
  position: relative;
  height: 100vh;
  min-height: 560px;
  overflow: hidden;
}
.slides-wrapper {
  position: absolute;
  inset: 0;
  display: flex;
  transition: transform 0.95s cubic-bezier(0.77,0,0.175,1);
  will-change: transform;
}
.slide {
  position: relative;
  min-width: 100%;
  height: 100%;
  overflow: hidden;
}
.slide-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transform: scale(1.07);
  transition: transform 8s ease;
}
.slide.active .slide-bg { transform: scale(1); }
.slide-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    125deg,
    rgba(10,10,8,0.86) 0%,
    rgba(10,10,8,0.48) 55%,
    rgba(10,10,8,0.22) 100%
  );
}
.slide-content {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 0 6% 7.5rem;
  max-width: 860px;
}
.slide-tag {
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--terra);
  font-weight: 500;
  margin-bottom: 0.9rem;
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.55s 0.25s, transform 0.55s 0.25s;
}
.slide-h {
  font-family: var(--serif);
  font-size: clamp(2rem, 4.5vw, 5rem);
  font-weight: 400;
  line-height: 1.0;
  color: #f2ede4;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 1.1rem;
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.65s 0.4s, transform 0.65s 0.4s;
}
.slide-p {
  font-size: clamp(0.85rem, 1.4vw, 0.97rem);
  color: #f2ede4;
  line-height: 1.78;
  max-width: 500px;
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.55s 0.55s, transform 0.55s 0.55s;
}
.slide.active .slide-tag,
.slide.active .slide-h,
.slide.active .slide-p { opacity: 1; transform: translateY(0); }

/* ─── SLIDER CONTROLS ─── */
.slide-counter {
  position: absolute;
  bottom: 7.5rem;
  right: 6%;
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  color: var(--text-muted);
  font-weight: 300;
}
.slider-controls {
  position: absolute;
  bottom: 2.5rem;
  left: 6%;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  z-index: 10;
}
.slider-dots { display: flex; gap: 0.45rem; align-items: center; }
.dot {
  width: 22px; height: 2px;
  background: var(--border-strong);
  border-radius: 1px;
  cursor: pointer;
  border: none; padding: 0;
  transition: background 0.3s, width 0.3s;
}
.dot.active { background: var(--terra); width: 38px; }
.slider-arrows { display: flex; gap: 0.4rem; margin-left: 0.75rem; }
.arr-btn {
  width: 38px; height: 38px;
  border: 1px solid var(--border-strong);
  background: rgba(10,10,8,0.35);
  color: var(--text);
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  border-radius: 1px;
  font-size: 0.95rem;
  transition: border-color 0.2s, background 0.2s;
}
.arr-btn:hover { border-color: var(--terra); background: var(--terra); }

/* ─── SCROLL HINT ─── */
.scroll-hint {
  position: absolute;
  bottom: 2.8rem; right: 6%;
  display: flex; flex-direction: column;
  align-items: center; gap: 0.4rem;
  opacity: 0.38;
}
.scroll-hint span {
  font-size: 0.6rem; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--text);
  writing-mode: vertical-rl;
}
.scroll-line {
  width: 1px; height: 36px;
  background: linear-gradient(to bottom, var(--text), transparent);
  animation: spulse 2s ease-in-out infinite;
}
@keyframes spulse {
  0%,100% { opacity: 0.38; }
  50% { opacity: 0.12; }
}

/* ─── INTRO STRIP ─── */
.intro-strip {
  background: var(--bg-warm);
  border-top: 1px solid rgba(198,94,84,0.3);
  border-bottom: 1px solid rgba(198,94,84,0.3);
  padding: 1rem 5%;
  display: flex;
  align-items: center;
  justify-content: center;
}
.strip-track {
  display: flex; gap: 2rem;
  flex-wrap: wrap; justify-content: center; align-items: center;
}
.strip-item {
  font-size: 0.68rem; font-weight: 500;
  color: var(--sand);
  letter-spacing: 0.14em; text-transform: uppercase;
  white-space: nowrap;
}
.strip-dot {
  width: 3px; height: 3px; border-radius: 50%;
  background: rgba(200,169,122,0.4);
  flex-shrink: 0;
}

/* ─── SECTIONS SHARED ─── */
section { padding: 7rem 5%; }
.s-label {
  font-size: 0.66rem; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--sand);
  font-weight: 500; margin-bottom: 1rem;
}
.s-heading {
  font-family: var(--serif);
  font-size: clamp(2.4rem, 4vw, 3.8rem);
  font-weight: 400; line-height: 1.0;
  color: var(--text); letter-spacing: 0.04em;
  margin-bottom: 1.2rem;
  text-transform: uppercase;
}
.s-sub {
  font-size: 0.93rem; color: var(--text-muted);
  max-width: 500px; line-height: 1.82;
}

/* ─── ABOUT ─── */
#about {
  background: var(--bg-elevated);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6rem;
  align-items: start;
}
.about-quote {
  font-family: var(--serif);
  font-size: clamp(1.8rem, 3vw, 3rem);
  font-weight: 400;
  line-height: 1.1; color: var(--text);
  letter-spacing: 0.04em; text-transform: uppercase;
  border-left: 2px solid var(--sand);
  padding-left: 1.75rem;
  margin-bottom: 1.75rem;
}
.about-body {
  font-size: 0.9rem; color: var(--text-muted);
  line-height: 1.82;
}
.about-stats {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 1px; background: rgba(200,169,122,0.1);
}
.stat-box {
  background: var(--bg-warm);
  padding: 2rem 1.5rem;
}
.stat-num {
  font-family: var(--serif);
  font-size: 3.5rem; font-weight: 400;
  color: var(--text); line-height: 1; display: block;
  letter-spacing: 0.04em;
}
.stat-label {
  font-size: 0.68rem; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--text-muted);
  margin-top: 0.35rem; display: block;
}

/* ─── SERVICES ─── */
#services { background: var(--bg); }
.services-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 1px; background: rgba(200,169,122,0.08);
  margin-top: 3.5rem;
}
.svc-card {
  background: var(--bg);
  padding: 2.25rem 1.75rem;
  position: relative; overflow: hidden;
  transition: background 0.3s; cursor: default;
  border-left: 3px solid transparent;
}
.svc-card:hover { background: var(--bg-warm); }

/* Individual card accent colours from brand palette */
.svc-card:nth-child(1) { border-left-color: #7a2a2a; }
.svc-card:nth-child(2) { border-left-color: #FC6423; }
.svc-card:nth-child(3) { border-left-color: #c65e54; }
.svc-card:nth-child(4) { border-left-color: #b8864e; }
.svc-card:nth-child(5) { border-left-color: #c8a97a; }
.svc-card:nth-child(6) { border-left-color: #8a7355; }

/* Number matches its card accent */
.svc-card:nth-child(1) .svc-num { color: #7a2a2a; opacity: 1; }
.svc-card:nth-child(2) .svc-num { color: #FC6423; opacity: 1; }
.svc-card:nth-child(3) .svc-num { color: #c65e54; opacity: 1; }
.svc-card:nth-child(4) .svc-num { color: #b8864e; opacity: 1; }
.svc-card:nth-child(5) .svc-num { color: #c8a97a; opacity: 1; }
.svc-card:nth-child(6) .svc-num { color: #8a7355; opacity: 1; }

/* Tag tints match card accent on hover */
.svc-card:nth-child(1) .tag { background: rgba(122,42,42,0.15); color: #b05a5a; }
.svc-card:nth-child(2) .tag { background: rgba(252,100,35,0.12); color: #FC6423; }
.svc-card:nth-child(3) .tag { background: rgba(198,94,84,0.12); color: #c65e54; }
.svc-card:nth-child(4) .tag { background: rgba(184,134,78,0.15); color: #b8864e; }
.svc-card:nth-child(5) .tag { background: rgba(200,169,122,0.15); color: #c8a97a; }
.svc-card:nth-child(6) .tag { background: rgba(138,115,85,0.15); color: #a08860; }

.svc-num { font-family: var(--serif); font-size: 0.78rem; margin-bottom: 1.1rem; }
.svc-title { font-family: var(--serif); font-size: 1.5rem; font-weight: 400; color: var(--text); margin-bottom: 0.65rem; line-height: 1.1; letter-spacing: 0.04em; text-transform: uppercase; }
.svc-desc { font-size: 0.83rem; color: var(--text-muted); line-height: 1.75; }
.svc-tags { display: flex; flex-wrap: wrap; gap: 0.3rem; margin-top: 1.1rem; }
.tag {
  font-size: 0.62rem; padding: 0.18rem 0.55rem;
  border-radius: 1px; font-weight: 500;
  letter-spacing: 0.06em; text-transform: uppercase;
}

/* ─── SECTORS ─── */
/* ─── SECTORS SLIDER ─── */
#sectors {
  background: var(--bg);
  padding-bottom: 0;
}
.sectors-slider-header {
  padding: 5rem 5% 3rem;
}
.sectors-slider {
  position: relative;
  width: 100%;
  height: 85vh;
  min-height: 520px;
  overflow: hidden;
}
.sectors-track {
  position: absolute;
  inset: 0;
}
.sector-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.8s ease;
  pointer-events: none;
}
.sector-slide.active {
  opacity: 1;
  pointer-events: all;
}
.sector-slide-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transform: scale(1.04);
  transition: transform 8s ease;
}
.sector-slide.active .sector-slide-bg {
  transform: scale(1);
}
.sector-slide-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(10,10,8,0.92) 0%,
    rgba(10,10,8,0.55) 45%,
    rgba(10,10,8,0.15) 100%
  );
}
.sector-slide-content {
  position: absolute;
  bottom: 6rem;
  left: 6%;
  right: 6%;
  max-width: 700px;
}
.sec-slide-num {
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--terra);
  font-weight: 500;
  display: block;
  margin-bottom: 0.75rem;
}
.sec-slide-name {
  font-family: var(--serif);
  font-size: clamp(2.5rem, 5vw, 5rem);
  font-weight: 400;
  line-height: 1.0;
  color: #f2ede4;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}
.sec-slide-desc {
  font-size: clamp(0.88rem, 1.4vw, 1rem);
  color: rgba(242,237,228,0.85);
  line-height: 1.7;
  max-width: 480px;
}
.sectors-controls {
  position: absolute;
  bottom: 2rem;
  left: 6%;
  right: 6%;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  z-index: 10;
}
.sectors-dots {
  display: flex;
  gap: 0.45rem;
  align-items: center;
}
.sectors-arrows {
  display: flex;
  flex-direction: row;
  gap: 0.4rem;
  margin-left: 0.5rem;
}
.sectors-counter {
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  color: var(--text-muted);
  margin-left: auto;
}
@media (max-width: 768px) {
  .sectors-slider { height: 70vh; min-height: 420px; }
  .sector-slide-content { bottom: 5rem; }
  .sectors-slider-header { padding: 4rem 6% 2rem; }
}

/* ─── APPROACH ─── */
#approach { background: var(--bg-elevated); }
.approach-steps {
  display: grid; grid-template-columns: repeat(5, 1fr);
  gap: 0; margin-top: 4rem;
  border-top: 1px solid rgba(200,169,122,0.2);
}
.step {
  padding: 2.5rem 1.75rem 2.5rem 0;
  border-right: 1px solid rgba(200,169,122,0.15);
}
.step:last-child { border-right: none; }
.step-n {
  font-family: var(--serif); font-size: 3.5rem; font-weight: 300;
  color: rgba(200,169,122,0.1); line-height: 1;
  display: block; margin-bottom: 0.9rem;
}
.step-title { font-family: var(--serif); font-size: 1.35rem; font-weight: 400; color: var(--text); margin-bottom: 0.45rem; letter-spacing: 0.05em; text-transform: uppercase; }
.step-desc { font-size: 0.8rem; color: var(--text-muted); line-height: 1.7; }

/* ─── PARTNERS SLIDER ─── */
#partners { background: var(--bg); }

.partners-slider-wrap {
  margin-top: 3rem;
  overflow: hidden;
  position: relative;
  padding: 2rem 0;
  -webkit-mask-image: linear-gradient(to right, transparent 0%, black 10%, black 90%, transparent 100%);
  mask-image: linear-gradient(to right, transparent 0%, black 10%, black 90%, transparent 100%);
}

.partners-track {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  width: max-content;
  animation: logoScroll 40s linear infinite;
}

.partners-slider-wrap:hover .partners-track {
  animation-play-state: paused;
}

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

.partner-cell {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem 2.5rem;
  min-width: 200px;
  flex-shrink: 0;
  background: transparent;
  border: none;
  transition: transform 0.3s;
}

.partner-cell:hover {
  transform: translateY(-2px);
}

.partner-cell img {
  height: 168px;
  width: auto;
  max-width: 200px;
  object-fit: contain;
  filter: grayscale(100%);
  opacity: 0.7;
  transition: filter 0.3s, opacity 0.3s, transform 0.3s;
}

.partner-cell:hover img {
  filter: grayscale(0%);
  opacity: 1;
  transform: scale(1.05);
}

/* ─── CONTACT ─── */
#contact { background: var(--bg-warm); }
.contact-grid {
  display: grid; grid-template-columns: 1fr 1.2fr;
  gap: 7rem; align-items: start;
}
.contact-detail { margin-top: 2.5rem; }
.c-item { padding: 1rem 0; border-bottom: 1px solid rgba(200,169,122,0.15); }
.c-lbl { font-size: 0.62rem; letter-spacing: 0.14em; text-transform: uppercase; color: rgba(200,169,122,0.7); margin-bottom: 0.2rem; }
.c-val { font-size: 0.9rem; color: var(--text); }
.contact-form { display: flex; flex-direction: column; gap: 1rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.f-field { display: flex; flex-direction: column; gap: 0.35rem; }
.f-field label { font-size: 0.62rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--text-muted); font-weight: 500; }
.f-field input,
.f-field select,
.f-field textarea {
  background: var(--form-field-bg);
  border: 1px solid var(--form-border);
  color: var(--text);
  padding: 0.75rem 0.9rem;
  font-family: var(--sans); font-size: 0.86rem;
  border-radius: 1px; outline: none;
  transition: border-color 0.2s, background 0.2s;
}
.f-field input::placeholder,
.f-field textarea::placeholder { color: var(--text-muted); opacity: 0.55; }
.f-field input:focus,
.f-field textarea:focus,
.f-field select:focus { border-color: var(--sand); background: rgba(200,169,122,0.06); }
.f-field select option { background: var(--bg-warm); color: var(--text); }
.f-field textarea { min-height: 115px; resize: vertical; }
.f-submit {
  align-self: flex-start;
  background: var(--terra); color: var(--text);
  padding: 0.85rem 2rem;
  font-family: var(--sans); font-size: 0.82rem;
  font-weight: 500; border: none; border-radius: 1px;
  cursor: pointer; letter-spacing: 0.07em; text-transform: uppercase;
  transition: background 0.2s, transform 0.15s;
}
.f-submit:hover { background: var(--terra-dark); transform: translateY(-1px); }

/* ─── FOOTER ─── */
footer {
  background: #0a0806;
  padding: 1.75rem 5%;
  display: flex; align-items: center;
  justify-content: space-between;
  flex-wrap: wrap; gap: 1rem;
  border-top: 1px solid rgba(200,169,122,0.12);
}
.f-logo-link {
  display: flex;
  align-items: center;
  text-decoration: none;
  flex-shrink: 0;
}
.f-logo-img {
  height: 140px;
  width: auto;
  display: block;
  opacity: 0.55;
  transition: opacity 0.2s;
}
.f-logo-link:hover .f-logo-img { opacity: 0.85; }
.f-copy { font-size: 0.7rem; color: var(--text-muted); }
.f-links { display: flex; gap: 1.75rem; list-style: none; }
.f-links a { font-size: 0.68rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-muted); text-decoration: none; transition: color 0.2s; }
.f-links a:hover { color: var(--text); }

/* ─── REVEAL ANIMATION ─── */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ─── RESPONSIVE ─── */
@media (max-width: 1100px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .approach-steps { grid-template-columns: repeat(3, 1fr); }
  .step:nth-child(3) { border-right: none; }
  .contact-grid { grid-template-columns: 1fr; gap: 3.5rem; }
}
@media (max-width: 900px) {
  #about { grid-template-columns: 1fr; gap: 3rem; }
  .approach-steps { grid-template-columns: repeat(2, 1fr); }
  .step:nth-child(2) { border-right: none; }
  .step:nth-child(3) { border-right: 1px solid var(--border-soft); }
  .step:nth-child(4) { border-right: none; }
}
@media (max-width: 768px) {
  :root { --nav-h: 84px; }
  .hamburger { display: flex; }
  .nav-logo-img { height: 68px; }

  /* Nav drawer: collapse .nav-right into a slide-down panel */
  #main-nav { overflow: visible; }
  .nav-right {
    position: fixed;
    top: var(--nav-h); left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--drawer-bg);
    backdrop-filter: blur(20px);
    padding: 1.5rem 6% 2.25rem;
    border-bottom: 1px solid var(--border-soft);
    z-index: 190;
    opacity: 0;
    transform: translateY(-8px);
    pointer-events: none;
    transition: opacity 0.3s, transform 0.3s;
  }
  .nav-right.open {
    opacity: 1;
    transform: translateY(0);
    pointer-events: all;
  }
  .nav-links {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    width: 100%;
  }
  .nav-links li { width: 100%; }
  .nav-links a {
    display: block;
    padding: 0.95rem 0;
    font-size: 0.95rem;
    border-bottom: 1px solid var(--border-soft);
  }
  .nav-cta {
    margin-top: 1.25rem;
    align-self: flex-start;
    padding: 0.85rem 2rem;
    font-size: 0.82rem;
  }

  .services-grid { grid-template-columns: 1fr; }
  .approach-steps { grid-template-columns: 1fr; }
  .step { border-right: none; border-bottom: 1px solid var(--border-soft); padding: 1.75rem 0; }
  .step:last-child { border-bottom: none; }
  section { padding: 4.5rem 6%; }
  #about { padding: 4.5rem 6%; }
  .slide-content { padding: 0 6% 8rem; }
  .form-row { grid-template-columns: 1fr; }
  footer { flex-direction: column; align-items: flex-start; }
  .scroll-hint { display: none; }
  .slide-counter { display: none; }
}
@media (max-width: 480px) {
  .about-stats { grid-template-columns: 1fr 1fr; }
  .strip-track { gap: 1.25rem; }
}