/* ═══════════════════════════════════════════════════════════
   LANSEN SOLUTIONS — style.css
   Aesthetic: Luxury Refined — dark ink, warm gold accent, serif elegance
   ═══════════════════════════════════════════════════════════ */

/* ── Reset & Tokens ─────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --ink:      #0f0f0f;
  --ink-soft: #3a3a3a;
  --ink-mute: #7a7a7a;
  --gold:     #c9a96e;
  --gold-lt:  #e8d5b0;
  --cream:    #faf8f4;
  --white:    #ffffff;
  --border:   rgba(15,15,15,.09);

  --ff-display: 'Cormorant Garamond', Georgia, serif;
  --ff-body:    'DM Sans', system-ui, sans-serif;

  --text-xs:  .75rem;
  --text-sm:  .875rem;
  --text-base:1rem;
  --text-lg:  1.125rem;
  --text-xl:  1.375rem;
  --text-2xl: 1.75rem;
  --text-3xl: 2.25rem;
  --text-4xl: 3rem;
  --text-5xl: 3.75rem;
  --text-6xl: 5rem;

  --space-1: .25rem; --space-2: .5rem; --space-3: .75rem; --space-4: 1rem;
  --space-5: 1.25rem; --space-6: 1.5rem; --space-8: 2rem; --space-10: 2.5rem;
  --space-12: 3rem; --space-16: 4rem; --space-20: 5rem; --space-24: 6rem;
  --space-32: 8rem;

  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  --shadow-sm: 0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);
  --shadow-md: 0 4px 16px rgba(0,0,0,.08), 0 1px 4px rgba(0,0,0,.04);
  --shadow-lg: 0 12px 40px rgba(0,0,0,.1), 0 4px 12px rgba(0,0,0,.06);

  --transition: 220ms cubic-bezier(.4,0,.2,1);
  --nav-h: 110px;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--ff-body);
  font-size: var(--text-base);
  line-height: 1.65;
  color: var(--ink);
  background: var(--cream);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* ── Utilities ─────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: 1120px;
  margin-inline: auto;
  padding-inline: var(--space-6);
}

.section {
  padding-block: var(--space-24);
}

.section__eyebrow {
  font-family: var(--ff-body);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: var(--space-4);
}

.section__title {
  font-family: var(--ff-display);
  font-size: clamp(var(--text-3xl), 5vw, var(--text-5xl));
  font-weight: 400;
  line-height: 1.1;
  color: var(--ink);
}

.section__title em {
  font-style: italic;
  color: var(--gold);
}

.section__header {
  text-align: center;
  max-width: 560px;
  margin-inline: auto;
  margin-bottom: var(--space-16);
}

/* ── Buttons ─────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--ff-body);
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: .04em;
  padding: .875rem var(--space-8);
  border-radius: var(--radius-sm);
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: background var(--transition), color var(--transition),
              border-color var(--transition), transform var(--transition),
              box-shadow var(--transition);
  white-space: nowrap;
}

.btn--primary {
  background: var(--ink);
  color: var(--white);
  border-color: var(--ink);
}
.btn--primary:hover {
  background: #1e1e1e;
  box-shadow: 0 4px 20px rgba(0,0,0,.2);
  transform: translateY(-1px);
}

.btn--ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--ink);
}
.btn--ghost:hover {
  background: var(--ink);
  color: var(--white);
  transform: translateY(-1px);
}

.btn--full { width: 100%; justify-content: center; }

/* ── NAV ─────────────────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  z-index: 100;
  background: rgba(250,248,244,.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.nav.scrolled {
  border-bottom-color: var(--border);
  box-shadow: var(--shadow-sm);
}

.nav__inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav__logo img {
  height: 100px;
  width: auto;
  transition: opacity var(--transition);
}
.nav__logo:hover img { opacity: .75; }

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.nav__links a {
  font-size: var(--text-sm);
  font-weight: 400;
  color: var(--ink-soft);
  transition: color var(--transition);
  position: relative;
}
.nav__links a::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 0;
  width: 0; height: 1px;
  background: var(--gold);
  transition: width var(--transition);
}
.nav__links a:hover { color: var(--ink); }
.nav__links a:hover::after { width: 100%; }

.nav__cta {
  display: inline-flex;
  padding: .5rem var(--space-5);
  background: var(--ink);
  color: var(--white) !important;
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  font-weight: 500;
  transition: background var(--transition), transform var(--transition) !important;
}
.nav__cta::after { display: none !important; }
.nav__cta:hover {
  background: #222 !important;
  transform: translateY(-1px);
}

/* burger */
.nav__burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
}
.nav__burger span {
  display: block;
  width: 24px; height: 1.5px;
  background: var(--ink);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

/* mobile menu */
.nav__mobile {
  position: fixed;
  top: var(--nav-h); left: 0; right: 0;
  background: var(--cream);
  padding: var(--space-6);
  border-bottom: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  transform: translateY(-100%);
  opacity: 0;
  pointer-events: none;
  transition: transform .3s ease, opacity .3s ease;
}
.nav__mobile.open {
  transform: translateY(0);
  opacity: 1;
  pointer-events: all;
}
.nav__mobile ul { display: flex; flex-direction: column; gap: var(--space-6); }
.nav__mobile a {
  font-size: var(--text-lg);
  font-family: var(--ff-display);
  color: var(--ink);
}

/* ── HERO ─────────────────────────────────────────────────── */
.hero {
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-top: calc(var(--nav-h) + var(--space-16));
  padding-bottom: var(--space-20);
  position: relative;
  overflow: hidden;
}

/* subtle grain overlay */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='300' height='300' filter='url(%23n)' opacity='0.025'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 0;
}

.hero__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero__eyebrow {
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: var(--space-5);
}

.hero__heading {
  font-family: var(--ff-display);
  font-size: clamp(var(--text-4xl), 6vw, var(--text-6xl));
  font-weight: 400;
  line-height: 1.05;
  letter-spacing: -.01em;
  margin-bottom: var(--space-6);
}

.hero__heading em {
  font-style: italic;
  color: var(--gold);
}

.hero__sub {
  font-size: var(--text-lg);
  color: var(--ink-soft);
  line-height: 1.7;
  max-width: 42ch;
  margin-bottom: var(--space-10);
  font-weight: 300;
}

.hero__actions {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
}

/* floating cards visual */
.hero__visual {
  position: relative;
  height: 420px;
}

.hero__blob {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 340px; height: 340px;
  border-radius: 60% 40% 55% 45% / 50% 60% 40% 50%;
  background: linear-gradient(135deg, var(--gold-lt) 0%, rgba(201,169,110,.12) 100%);
  animation: blobFloat 8s ease-in-out infinite;
}

@keyframes blobFloat {
  0%, 100% { border-radius: 60% 40% 55% 45% / 50% 60% 40% 50%; transform: translate(-50%,-50%) scale(1); }
  50%       { border-radius: 45% 55% 40% 60% / 60% 40% 55% 45%; transform: translate(-50%,-50%) scale(1.03); }
}

.hero__card {
  position: absolute;
  display: flex;
  align-items: center;
  gap: var(--space-3);
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-4) var(--space-6);
  box-shadow: var(--shadow-md);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--ink);
  animation: cardFloat var(--dur, 6s) ease-in-out var(--delay, 0s) infinite;
}

.hero__card--1 { top: 12%;  left: 5%;  --dur: 6s; --delay: 0s; }
.hero__card--2 { top: 44%;  right: 0%; --dur: 7s; --delay: 1.2s; }
.hero__card--3 { bottom: 10%; left: 18%; --dur: 5.5s; --delay: 0.6s; }

@keyframes cardFloat {
  0%,100% { transform: translateY(0); }
  50%     { transform: translateY(-10px); }
}

.card__dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--gold);
  flex-shrink: 0;
}

/* scroll indicator */
.hero__scroll {
  position: absolute;
  bottom: var(--space-8);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  justify-content: center;
}
.hero__scroll span {
  display: block;
  width: 1px;
  height: 52px;
  background: linear-gradient(to bottom, transparent, var(--gold));
  animation: scrollLine 2s ease-in-out infinite;
}
@keyframes scrollLine {
  0%   { opacity: 1; transform: scaleY(0); transform-origin: top; }
  50%  { opacity: 1; transform: scaleY(1); transform-origin: top; }
  100% { opacity: 0; transform: scaleY(1); transform-origin: top; }
}

/* ── SERVICES ─────────────────────────────────────────────── */
.services {
  background: var(--white);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.services__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
}

.service-card {
  position: relative;
  padding: var(--space-10) var(--space-8);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  background: var(--cream);
  transition: border-color var(--transition), box-shadow var(--transition),
              transform var(--transition);
  overflow: hidden;
}

.service-card::before {
  content: attr(data-index);
  position: absolute;
  top: var(--space-6);
  right: var(--space-6);
  font-family: var(--ff-display);
  font-size: 4rem;
  font-weight: 400;
  color: var(--border);
  line-height: 1;
  transition: color var(--transition);
}

.service-card:hover {
  border-color: var(--gold-lt);
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}
.service-card:hover::before { color: rgba(201,169,110,.15); }

.service-card__icon {
  color: var(--gold);
  margin-bottom: var(--space-6);
}

.service-card__title {
  font-family: var(--ff-display);
  font-size: var(--text-2xl);
  font-weight: 400;
  margin-bottom: var(--space-4);
  color: var(--ink);
}

.service-card__text {
  font-size: var(--text-sm);
  color: var(--ink-soft);
  line-height: 1.75;
  margin-bottom: var(--space-6);
  font-weight: 300;
}

.service-card__link {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--ink);
  letter-spacing: .04em;
  position: relative;
  display: inline-block;
}
.service-card__link::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 0;
  width: 100%; height: 1px;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}
.service-card:hover .service-card__link::after { transform: scaleX(1); }

/* ── WHY US ──────────────────────────────────────────────── */
.why { background: var(--cream); }

.why__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-20);
  align-items: start;
}

.why__text .section__title { margin-bottom: var(--space-6); }

.why__lead {
  font-size: var(--text-lg);
  color: var(--ink-soft);
  line-height: 1.7;
  font-weight: 300;
  margin-bottom: var(--space-10);
  max-width: 44ch;
}

.why__pillars {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-8);
}

.pillar {
  padding: var(--space-6);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--white);
  transition: border-color var(--transition), box-shadow var(--transition);
}
.pillar:hover {
  border-color: var(--gold-lt);
  box-shadow: var(--shadow-md);
}

.pillar__num {
  display: block;
  font-family: var(--ff-display);
  font-size: var(--text-sm);
  color: var(--gold);
  font-style: italic;
  margin-bottom: var(--space-3);
}

.pillar__title {
  font-family: var(--ff-display);
  font-size: var(--text-xl);
  font-weight: 400;
  margin-bottom: var(--space-2);
}

.pillar p {
  font-size: var(--text-sm);
  color: var(--ink-soft);
  line-height: 1.65;
  font-weight: 300;
}

/* ── CTA FINAL ────────────────────────────────────────────── */
.cta-final {
  background: var(--ink);
  color: var(--white);
}

.cta-final .section__eyebrow { color: var(--gold); }

.cta-final__inner {
  max-width: 680px;
  margin-inline: auto;
  text-align: center;
}

.cta-final__title {
  font-family: var(--ff-display);
  font-size: clamp(var(--text-3xl), 5vw, var(--text-5xl));
  font-weight: 400;
  line-height: 1.1;
  margin-bottom: var(--space-4);
  color: var(--white);
}
.cta-final__title em {
  font-style: italic;
  color: var(--gold);
}

.cta-final__sub {
  font-size: var(--text-lg);
  color: rgba(255,255,255,.6);
  font-weight: 300;
  margin-bottom: var(--space-12);
}

/* form */
.cta-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  text-align: left;
}

.cta-form__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-5);
}

.cta-form__field {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.cta-form__field label {
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: rgba(255,255,255,.5);
}

.cta-form__field input,
.cta-form__field select,
.cta-form__field textarea {
  font-family: var(--ff-body);
  font-size: var(--text-base);
  color: var(--white);
  background: rgba(255,255,255,.07);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--radius-md);
  padding: var(--space-4) var(--space-5);
  outline: none;
  transition: border-color var(--transition), background var(--transition);
  resize: none;
  appearance: none;
  -webkit-appearance: none;
}
.cta-form__field select option { background: #1a1a1a; color: var(--white); }
.cta-form__field input::placeholder,
.cta-form__field textarea::placeholder { color: rgba(255,255,255,.3); }

.cta-form__field input:focus,
.cta-form__field select:focus,
.cta-form__field textarea:focus {
  border-color: var(--gold);
  background: rgba(255,255,255,.1);
}
.cta-form__field input:invalid:not(:placeholder-shown),
.cta-form__field textarea:invalid:not(:placeholder-shown) {
  border-color: rgba(220,80,80,.5);
}

.cta-final .btn--primary {
  background: var(--gold);
  color: var(--ink);
  border-color: var(--gold);
  font-size: var(--text-base);
  padding: 1.1rem var(--space-8);
  margin-top: var(--space-2);
}
.cta-final .btn--primary:hover {
  background: #d4b47e;
  border-color: #d4b47e;
  box-shadow: 0 4px 24px rgba(201,169,110,.35);
}

.cta-form__note {
  text-align: center;
  font-size: var(--text-sm);
  min-height: 1.2em;
  color: var(--gold);
}

/* ── FOOTER ──────────────────────────────────────────────── */
.footer {
  background: #0a0a0a;
  padding-block: var(--space-12);
  border-top: 1px solid rgba(255,255,255,.06);
}

.footer__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-6);
  text-align: center;
}

.footer__logo img {
  height: 40px;
  width: auto;
  opacity: .85;
  transition: opacity var(--transition);
}
.footer__logo:hover img { opacity: 1; }

.footer__tagline {
  font-size: var(--text-sm);
  color: rgba(255,255,255,.4);
  font-weight: 300;
}

.footer__nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-6);
}
.footer__nav a {
  font-size: var(--text-xs);
  letter-spacing: .08em;
  text-transform: uppercase;
  color: rgba(255,255,255,.4);
  transition: color var(--transition);
}
.footer__nav a:hover { color: var(--gold); }

.footer__copy {
  font-size: var(--text-xs);
  color: rgba(255,255,255,.25);
  letter-spacing: .04em;
}

/* Accessibility — visually hidden */
.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;
}

/* ── Reveal animation ──────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .65s ease, transform .65s ease;
}
.reveal.visible {
  opacity: 1;
  transform: none;
}
.reveal[data-delay="1"] { transition-delay: .1s; }
.reveal[data-delay="2"] { transition-delay: .2s; }
.reveal[data-delay="3"] { transition-delay: .3s; }
.reveal[data-delay="4"] { transition-delay: .4s; }

/* ── RESPONSIVE ──────────────────────────────────────────── */
@media (max-width: 900px) {
  .hero__inner {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero__sub { max-width: 100%; margin-inline: auto; }
  .hero__actions { justify-content: center; }
  .hero__visual { display: none; }
  .services__grid { grid-template-columns: 1fr; max-width: 560px; margin-inline: auto; }
  .why__inner { grid-template-columns: 1fr; gap: var(--space-12); }
  .why__lead { max-width: 100%; }
  .cta-form__row { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  :root { --nav-h: 64px; }
  .section { padding-block: var(--space-16); }
  .nav__links { display: none; }
  .nav__burger { display: flex; }
  .why__pillars { grid-template-columns: 1fr; }
  .service-card { padding: var(--space-8) var(--space-6); }
  .service-card::before { font-size: 3rem; }
  .hero { padding-bottom: var(--space-16); }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    transition-duration: .01ms !important;
  }
}