/* =====================
   RESET & BASE
===================== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  /* Brand palette */
  --ink:        #1B1B20;  /* primary ground */
  --indigo-deep:#45406A;  /* brand primary */
  --indigo:     #524D87;  /* secondary */
  --lavender:   #8D8BC1;  /* accent / the lens — reserved */
  --lavender-soft:#B9B7DA;
  --slate:      #2C3C54;  /* support / depth */
  --paper:      #F4F3F8;  /* light ground */

  /* Derived surfaces */
  --bg:         #131318;
  --bg-2:       #16161C;
  --bg-card:    #1C1C24;
  --border:     rgba(180,178,210,0.10);
  --border-strong: rgba(141,139,193,0.30);
  --text:       #ECEBF2;
  --text-muted: #9D9BB0;

  --grad:       linear-gradient(135deg, var(--indigo-deep), var(--indigo));
  --radius:     18px;
  --radius-sm:  10px;
  --transition: 0.35s cubic-bezier(.4,0,.2,1);

  --font-display: 'Spectral', Georgia, serif;
  --font-text:    'Hanken Grotesk', system-ui, sans-serif;
  --font-mono:    'Space Mono', monospace;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-text);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

.container { max-width: 1140px; margin: 0 auto; padding: 0 28px; }

img { display: block; max-width: 100%; }
a { text-decoration: none; color: inherit; }

/* =====================
   SHARED TYPOGRAPHY
===================== */
.display-italic {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 300;
  color: var(--lavender);
}

.mono-label {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--lavender);
  margin-bottom: 22px;
}

.section-title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(2.1rem, 4vw, 3.2rem);
  line-height: 1.12;
  letter-spacing: -0.01em;
  margin-bottom: 18px;
}

.section-sub {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 580px;
  line-height: 1.75;
}

.section-header { text-align: center; margin-bottom: 70px; }
.section-header .section-sub { margin: 0 auto; }

/* =====================
   BUTTONS
===================== */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--grad);
  color: #fff;
  font-family: var(--font-text);
  font-size: 0.95rem;
  font-weight: 600;
  padding: 14px 28px;
  border-radius: 100px;
  border: 1px solid rgba(141,139,193,0.35);
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 6px 30px rgba(69,64,106,0.45);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 38px rgba(82,77,135,0.6);
  border-color: var(--lavender);
}
.btn-primary.btn-large { font-size: 1.05rem; padding: 18px 38px; }

.btn-ghost {
  display: inline-flex;
  align-items: center;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-muted);
  padding: 14px 4px;
  transition: color var(--transition);
}
.btn-ghost:hover { color: var(--text); }

/* =====================
   REVEAL ANIMATION
===================== */
.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.7s cubic-bezier(.4,0,.2,1), transform 0.7s cubic-bezier(.4,0,.2,1);
}
.reveal.visible { opacity: 1; transform: translateY(0); }

/* =====================
   LENS MARK
===================== */
.lens-mark {
  width: 30px;
  height: 30px;
  color: var(--text);
  flex-shrink: 0;
}

/* =====================
   NAVBAR
===================== */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(19,19,24,0);
  transition: var(--transition);
  border-bottom: 1px solid transparent;
}
#navbar.scrolled {
  background: rgba(19,19,24,0.82);
  backdrop-filter: blur(20px);
  border-color: var(--border);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1140px;
  margin: 0 auto;
  padding: 18px 28px;
}

.nav-logo { display: flex; align-items: center; gap: 11px; }
.nav-logo span {
  font-family: var(--font-text);
  font-size: 1.2rem;
  font-weight: 500;
  letter-spacing: -0.02em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 34px;
  list-style: none;
}
.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: color var(--transition);
}
.nav-links a:hover { color: var(--text); }
.nav-cta {
  color: var(--lavender) !important;
  font-weight: 600 !important;
}

.lang-switch {
  display: inline-flex;
  gap: 2px;
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 3px;
}
.lang-btn {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.04em;
  padding: 4px 10px;
  border-radius: 100px;
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  transition: var(--transition);
}
.lang-btn:hover { color: var(--text); }
.lang-btn.active { background: var(--indigo); color: #fff; }

.burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none; border: none; cursor: pointer; padding: 4px;
}
.burger span {
  display: block; width: 24px; height: 2px;
  background: var(--text); border-radius: 2px;
  transition: var(--transition);
}

.mobile-menu {
  display: none;
  flex-direction: column;
  padding: 8px 28px 20px;
  border-top: 1px solid var(--border);
  background: rgba(19,19,24,0.96);
  backdrop-filter: blur(20px);
}
.mobile-menu.open { display: flex; }
.mobile-link {
  padding: 14px 0;
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
  transition: color var(--transition);
}
.mobile-link:hover { color: var(--text); }
.mobile-cta { margin-top: 14px; border: none !important; color: var(--lavender); font-weight: 600; }
.mobile-lang { margin-top: 20px; align-self: flex-start; }

/* =====================
   HERO
===================== */
#hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: 130px 0 80px;
  background:
    radial-gradient(ellipse 900px 600px at 75% 35%, rgba(69,64,106,0.30), transparent 70%),
    var(--bg);
}

.hero-grain {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(141,139,193,0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(141,139,193,0.035) 1px, transparent 1px);
  background-size: 64px 64px;
  pointer-events: none;
  mask-image: radial-gradient(ellipse 90% 80% at 50% 40%, black, transparent);
  -webkit-mask-image: radial-gradient(ellipse 90% 80% at 50% 40%, black, transparent);
}

.hero-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 60px;
  align-items: center;
}

.hero-title {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(2.6rem, 5.2vw, 4.6rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin-bottom: 26px;
}

.hero-sub {
  font-size: 1.12rem;
  color: var(--text-muted);
  line-height: 1.78;
  max-width: 540px;
  margin-bottom: 38px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 22px;
  flex-wrap: wrap;
}

/* Hero lens visual */
.hero-visual {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.lens-hero { width: 100%; max-width: 420px; overflow: visible; }
.lens-hero .halo { animation: haloPulse 5s ease-in-out infinite; transform-origin: 120px 100px; }
.lens-fill { animation: lensFillPulse 5s ease-in-out infinite; }
.lens-outline { animation: lensIgnite 5s ease-in-out infinite; }

@keyframes haloPulse {
  0%, 100% { opacity: 0.45; transform: scale(0.96); }
  50%      { opacity: 1;    transform: scale(1.1); }
}
@keyframes lensFillPulse {
  0%, 100% { fill-opacity: 0.78; }
  50%      { fill-opacity: 0.95; }
}
/* The lens contour ignites as it settles centred between the two circles */
@keyframes lensIgnite {
  0%, 100% { opacity: 0.45; filter: drop-shadow(0 0 1px rgba(177,170,235,0.2)); }
  50%      { opacity: 1;    filter: drop-shadow(0 0 9px rgba(214,210,250,0.95)); }
}

.lens-captions {
  display: flex;
  justify-content: center;
  gap: 90px;
  margin-top: 18px;
}
.lens-captions .cap {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-muted);
}

@media (prefers-reduced-motion: reduce) {
  .lens-hero .halo, .lens-fill, .lens-outline { animation: none; }
}

/* =====================
   STATS
===================== */
#stats {
  background: var(--bg-2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 66px 0;
}
.stats-grid {
  display: flex;
  align-items: center;
  justify-content: space-around;
  gap: 32px;
}
.stat-card { text-align: center; flex: 1; }
.stat-figure {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 3px;
  white-space: nowrap;
  height: 4.5rem;
}
.stat-number {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(2.8rem, 4.5vw, 4rem);
  color: var(--lavender);
  line-height: 1;
}
.stat-plus {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  color: var(--lavender);
}
.stat-label {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-top: 10px;
  max-width: 190px;
  margin-left: auto; margin-right: auto;
  line-height: 1.5;
}
.stat-divider { width: 1px; height: 84px; background: var(--border); flex-shrink: 0; }

/* =====================
   ABOUT
===================== */
#about { padding: 130px 0; }
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 84px;
  align-items: center;
}
.about-photos { position: relative; height: 580px; }
.ph {
  position: absolute;
  margin: 0;
  overflow: hidden;
  border-radius: var(--radius);
  border: 1px solid var(--border);
}
.ph img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  /* tie the photos to the contemplative indigo palette */
  filter: grayscale(0.5) contrast(1.04) brightness(0.9);
}
.ph::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(150deg, rgba(69,64,106,0.55), rgba(44,60,84,0.42));
  mix-blend-mode: soft-light;
  pointer-events: none;
}
/* back photo — presentation (full standing figure, given more room) */
.ph-back {
  top: 0; left: 0;
  width: 62%; height: 90%;
  box-shadow: 0 28px 70px rgba(0,0,0,0.5);
}
.ph-back img { object-position: center 30%; }
/* front photo — portrait, similar size, slightly overlapping */
.ph-front {
  bottom: 0; right: 0;
  width: 54%; height: 74%;
  box-shadow: 0 18px 50px rgba(0,0,0,0.55);
  border: 2px solid var(--border-strong);
}
.ph-front img { object-position: center 22%; }
.about-desc {
  font-size: 1rem;
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 16px;
}
.about-desc em { color: var(--text); font-style: italic; font-family: var(--font-display); }
.about-badges { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 28px; }
.badge {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 7px 13px;
  border-radius: 100px;
}

/* =====================
   VALUES
===================== */
#values {
  padding: 130px 0;
  background: var(--bg-2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.values-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 64px;
  max-width: 1000px;
  margin: 0 auto;
}
.value-row {
  display: flex;
  gap: 22px;
  padding: 30px 0;
  border-top: 1px solid var(--border);
}
.value-row:nth-child(1), .value-row:nth-child(2) { border-top: none; }
.value-index {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--lavender);
  padding-top: 4px;
  flex-shrink: 0;
}
.value-name {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 1.5rem;
  line-height: 1.2;
  margin-bottom: 10px;
}
.value-text { font-size: 0.96rem; color: var(--text-muted); line-height: 1.72; }

/* =====================
   APPROACH
===================== */
#approach { padding: 130px 0; }
.approach-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.approach-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 42px 34px;
  transition: var(--transition);
}
.approach-card:hover {
  border-color: var(--border-strong);
  transform: translateY(-6px);
  box-shadow: 0 18px 50px rgba(69,64,106,0.18);
}
.approach-card--accent {
  background: linear-gradient(160deg, rgba(82,77,135,0.22), rgba(69,64,106,0.10));
  border-color: var(--border-strong);
}
.approach-num {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--lavender);
}
.approach-title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 1.55rem;
  margin: 18px 0 12px;
}
.approach-desc { font-size: 0.96rem; color: var(--text-muted); line-height: 1.75; }

/* =====================
   USE CASES
===================== */
#usecases { padding: 130px 0; background: var(--bg-2); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.usecases-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.usecase-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  cursor: pointer;
  min-height: 330px;
  transition: var(--transition);
}
.usecase-card:hover { border-color: var(--border-strong); box-shadow: 0 18px 50px rgba(69,64,106,0.2); }
.usecase-front, .usecase-detail {
  position: absolute; inset: 0;
  padding: 34px;
  display: flex;
  flex-direction: column;
  transition: opacity var(--transition), transform var(--transition);
}
.usecase-detail {
  background: linear-gradient(160deg, rgba(82,77,135,0.25), rgba(44,60,84,0.18));
  opacity: 0;
  transform: translateY(14px);
  pointer-events: none;
  overflow-y: auto;
}
.usecase-card.open .usecase-front { opacity: 0; transform: translateY(-14px); pointer-events: none; }
.usecase-card.open .usecase-detail { opacity: 1; transform: translateY(0); pointer-events: all; }
.usecase-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: auto; }
.usecase-tag {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--lavender);
  background: rgba(141,139,193,0.12);
  border: 1px solid var(--border-strong);
  padding: 5px 11px;
  border-radius: 100px;
}
.usecase-tag--detail { margin-bottom: 14px; display: inline-block; align-self: flex-start; }
.usecase-arrow { font-size: 1.2rem; color: var(--text-muted); transition: var(--transition); }
.usecase-card:hover .usecase-arrow { transform: translate(3px,-3px); color: var(--lavender); }
.usecase-name {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 1.9rem;
  margin: auto 0 8px;
}
.usecase-brief { font-size: 0.9rem; color: var(--text-muted); margin-bottom: 24px; }
.usecase-metric { display: flex; flex-direction: column; gap: 2px; padding-top: 20px; border-top: 1px solid var(--border); }
.metric-value {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 2rem;
  color: var(--lavender);
}
.metric-label { font-size: 0.8rem; color: var(--text-muted); }
.detail-text { font-size: 0.92rem; color: var(--text); opacity: 0.85; line-height: 1.72; margin-bottom: 18px; }
.detail-list { list-style: none; display: flex; flex-direction: column; gap: 9px; margin-bottom: 22px; }
.detail-list li { font-size: 0.86rem; color: var(--text); padding-left: 18px; position: relative; }
.detail-list li::before { content: "—"; position: absolute; left: 0; color: var(--lavender); }
.detail-close {
  background: none;
  border: 1px solid var(--border-strong);
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 8px 16px;
  border-radius: 100px;
  cursor: pointer;
  align-self: flex-start;
  margin-top: auto;
  transition: var(--transition);
}
.detail-close:hover { border-color: var(--lavender); color: var(--text); }

/* =====================
   BOOKING
===================== */
#booking {
  padding: 130px 0;
  position: relative;
  overflow: hidden;
  text-align: center;
  background: var(--bg);
}
.booking-glow {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%,-50%);
  width: 680px; height: 680px;
  background: radial-gradient(circle, rgba(69,64,106,0.35) 0%, transparent 68%);
  pointer-events: none;
}
.booking-inner { position: relative; z-index: 2; }
.booking-title {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(2rem, 4vw, 3.1rem);
  line-height: 1.18;
  margin-bottom: 20px;
}
.booking-sub { font-size: 1.05rem; color: var(--text-muted); max-width: 560px; margin: 0 auto 48px; line-height: 1.75; }
.booking-card {
  background: var(--bg-card);
  border: 1px solid var(--border-strong);
  border-radius: 26px;
  padding: 50px;
  max-width: 680px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 42px;
  box-shadow: 0 0 90px rgba(69,64,106,0.2);
}
.booking-details { display: flex; gap: 40px; justify-content: center; flex-wrap: wrap; width: 100%; }
.booking-item { display: flex; align-items: flex-start; gap: 14px; text-align: left; flex: 1; min-width: 160px; }
.booking-num {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--lavender);
  flex-shrink: 0;
  line-height: 1.2;
}
.booking-item strong { display: block; font-size: 0.95rem; font-weight: 600; margin-bottom: 2px; }
.booking-item p { font-size: 0.85rem; color: var(--text-muted); }

/* =====================
   FOOTER
===================== */
#footer { background: var(--ink); border-top: 1px solid var(--border); padding: 56px 0 40px; }
.footer-inner { display: flex; flex-direction: column; gap: 36px; }
.footer-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--border);
}
.footer-logo-link span { font-size: 1.2rem; font-weight: 500; letter-spacing: -0.02em; }
.footer-tagline { font-size: 1.25rem; color: var(--lavender); }
.footer-bottom { display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
.footer-copy { font-size: 0.82rem; color: var(--text-muted); font-family: var(--font-mono); letter-spacing: 0.02em; }
.footer-links { display: flex; gap: 24px; }
.footer-links a { font-size: 0.88rem; color: var(--text-muted); transition: color var(--transition); }
.footer-links a:hover { color: var(--text); }

/* =====================
   RESPONSIVE
===================== */
@media (max-width: 900px) {
  .nav-links { display: none; }
  .burger { display: flex; }

  .hero-grid { grid-template-columns: 1fr; gap: 48px; }
  .hero-visual { order: -1; max-width: 320px; margin: 0 auto; }
  .lens-hero { max-width: 300px; }

  .about-grid { grid-template-columns: 1fr; gap: 56px; }
  .about-photos { height: 380px; max-width: 460px; }

  .values-list { grid-template-columns: 1fr; }
  .value-row:nth-child(2) { border-top: 1px solid var(--border); }

  .approach-grid { grid-template-columns: 1fr; }
  .usecases-grid { grid-template-columns: 1fr; }

  .stats-grid { flex-direction: column; gap: 40px; }
  .stat-divider { width: 84px; height: 1px; }

  .booking-card { padding: 36px 24px; }
  .booking-details { flex-direction: column; gap: 24px; }

  .footer-top { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 600px) {
  .hero-actions { flex-direction: column; align-items: flex-start; }
  .booking-card { padding: 26px 18px; }
}