/* ═══════════════════════════════════════════════════════════
   OBSCURION — CORPORATE WEBSITE STYLES
   Colour palette derived from logo & background images
   ═══════════════════════════════════════════════════════════ */

/* ── Custom Properties ─────────────────────────────────── */
:root {
  /* Colours */
  --clr-bg-deep:       #050409;
  --clr-bg-dark:       #0a0812;
  --clr-bg-card:       #100d1c;
  --clr-bg-card-hover: #15112a;
  --clr-border:        rgba(130, 65, 218, 0.18);
  --clr-border-hover:  rgba(163, 100, 237, 0.45);

  --clr-purple-dark:   #5c33a2;
  --clr-purple:        #8241da;
  --clr-purple-mid:    #9b5fe8;
  --clr-purple-light:  #a575e3;
  --clr-purple-pale:   #c084fc;

  --clr-text:          #f1f0f5;
  --clr-text-muted:    #9b97b0;
  --clr-text-faint:    #5a5672;

  /* Gradients */
  --grad-primary:  linear-gradient(135deg, var(--clr-purple) 0%, var(--clr-purple-pale) 100%);
  --grad-glow:     radial-gradient(ellipse 60% 40% at 50% 0%, rgba(130, 65, 218, 0.25) 0%, transparent 70%);
  --grad-card:     linear-gradient(145deg, var(--clr-bg-card) 0%, rgba(21, 17, 42, 0.6) 100%);

  /* Typography */
  --font-body:     'Inter', system-ui, -apple-system, sans-serif;
  --font-heading:  'Space Grotesk', 'Inter', sans-serif;

  /* Sizing */
  --container-max: 1200px;
  --section-gap:   clamp(5rem, 10vw, 8rem);
  --radius-sm:     6px;
  --radius-md:     12px;
  --radius-lg:     20px;
  --radius-full:   9999px;

  /* Transitions */
  --ease:          cubic-bezier(0.4, 0, 0.2, 1);
  --dur-fast:      150ms;
  --dur-med:       300ms;
  --dur-slow:      600ms;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: clamp(0.9375rem, 1vw + 0.5rem, 1.0625rem);
  line-height: 1.7;
  color: var(--clr-text);
  background-color: var(--clr-bg-deep);
  overflow-x: hidden;
}

img { display: block; max-width: 100%; height: auto; }
a   { color: inherit; text-decoration: none; }
ul  { list-style: none; }
button { cursor: pointer; border: none; background: none; font: inherit; }

:focus-visible {
  outline: 2px solid var(--clr-purple-light);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

/* ── Utility ───────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 4vw, 2rem);
}

.section {
  padding-block: var(--section-gap);
  position: relative;
}

.section__header {
  text-align: center;
  max-width: 700px;
  margin-inline: auto;
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
}

.section__headline {
  font-family: var(--font-heading);
  font-size: clamp(1.75rem, 3.5vw + 0.5rem, 2.75rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-top: 0.75rem;
}

.section__subheadline {
  font-size: clamp(0.9375rem, 1vw + 0.35rem, 1.125rem);
  color: var(--clr-text-muted);
  margin-top: 0.75rem;
}

.section__body {
  font-size: clamp(0.9375rem, 1vw + 0.35rem, 1.125rem);
  color: var(--clr-text-muted);
  line-height: 1.8;
  margin-top: 1rem;
}

/* ── Badge ─────────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--clr-purple-pale);
  background: rgba(130, 65, 218, 0.12);
  border: 1px solid rgba(130, 65, 218, 0.3);
  border-radius: var(--radius-full);
  padding: 0.35em 1em;
}

.badge::before {
  content: '';
  display: inline-block;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--clr-purple-pale);
}

/* ── Buttons ───────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.7em 1.75em;
  border-radius: var(--radius-full);
  font-family: var(--font-heading);
  font-size: 0.9375rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  transition: all var(--dur-med) var(--ease);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
}

.btn--primary {
  background: var(--grad-primary);
  color: #fff;
  box-shadow: 0 0 0 0 rgba(130, 65, 218, 0);
}
.btn--primary:hover, .btn--primary:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(130, 65, 218, 0.45);
}
.btn--primary:active { transform: translateY(0); }

.btn--outline {
  background: transparent;
  color: var(--clr-text);
  border: 1.5px solid var(--clr-border-hover);
}
.btn--outline:hover, .btn--outline:focus-visible {
  background: rgba(130, 65, 218, 0.1);
  border-color: var(--clr-purple-light);
  transform: translateY(-2px);
}

.btn--lg { padding: 0.85em 2.25em; font-size: 1rem; }
.btn--full { width: 100%; }

/* ── Scroll-reveal ─────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity var(--dur-slow) var(--ease), transform var(--dur-slow) var(--ease);
}
.reveal--delay { transition-delay: 150ms; }
.reveal--delay-2 { transition-delay: 300ms; }
.reveal.in-view {
  opacity: 1;
  transform: translateY(0);
}

/* ═══════════════════════════════════════════════════════════
   HEADER / NAV
   ═══════════════════════════════════════════════════════════ */
.site-header {
  position: fixed;
  inset-block-start: 0;
  inset-inline: 0;
  z-index: 100;
  padding-block: 1rem;
  transition: background var(--dur-med) var(--ease), box-shadow var(--dur-med) var(--ease), padding var(--dur-med) var(--ease);
}

.site-header.scrolled {
  background: rgba(5, 4, 9, 0.9);
  backdrop-filter: blur(16px) saturate(160%);
  -webkit-backdrop-filter: blur(16px) saturate(160%);
  box-shadow: 0 1px 0 var(--clr-border);
  padding-block: 0.65rem;
}

.nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-shrink: 0;
}

.nav__logo-img {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  object-fit: cover;
}

.nav__logo-text {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 700;
  background: var(--grad-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav__menu {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  margin-inline-start: auto;
}

.nav__menu li a {
  display: block;
  padding: 0.4em 0.85em;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--clr-text-muted);
  border-radius: var(--radius-sm);
  transition: color var(--dur-fast) var(--ease), background var(--dur-fast) var(--ease);
}
.nav__menu li a:hover,
.nav__menu li a:focus-visible {
  color: var(--clr-text);
  background: rgba(130, 65, 218, 0.1);
}

.nav__cta { margin-inline-start: 0.5rem; font-size: 0.875rem; padding: 0.5em 1.4em; }

.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 0.5rem;
  margin-inline-start: auto;
  border-radius: var(--radius-sm);
}
.nav__toggle-bar {
  display: block;
  width: 22px; height: 2px;
  background: var(--clr-text);
  border-radius: 2px;
  transition: transform var(--dur-med) var(--ease), opacity var(--dur-med) var(--ease);
}
.nav__toggle[aria-expanded="true"] .nav__toggle-bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__toggle[aria-expanded="true"] .nav__toggle-bar:nth-child(2) { opacity: 0; }
.nav__toggle[aria-expanded="true"] .nav__toggle-bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 768px) {
  .nav__toggle { display: flex; }
  .nav__cta    { display: none; }

  .nav__menu {
    position: fixed;
    inset-block-start: 70px;
    inset-inline: 0;
    flex-direction: column;
    align-items: stretch;
    padding: 1rem;
    background: rgba(10, 8, 18, 0.98);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--clr-border);
    gap: 0;
    transform: translateY(-10px);
    opacity: 0;
    pointer-events: none;
    transition: transform var(--dur-med) var(--ease), opacity var(--dur-med) var(--ease);
    margin-inline-start: 0;
  }
  .nav__menu.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  .nav__menu li a {
    font-size: 1rem;
    padding: 0.85em 1rem;
  }
}

/* ═══════════════════════════════════════════════════════════
   HERO
   ═══════════════════════════════════════════════════════════ */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding-block: 7rem 5rem;
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero__bg-img {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center;
  scale: 1.04;
  animation: heroZoom 20s ease-in-out infinite alternate;
}
@keyframes heroZoom {
  from { scale: 1.04; }
  to   { scale: 1.10; }
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(to bottom, rgba(5,4,9,0.55) 0%, rgba(5,4,9,0.35) 40%, rgba(5,4,9,0.80) 100%),
    radial-gradient(ellipse 80% 60% at 50% 30%, rgba(130, 65, 218, 0.18) 0%, transparent 70%);
}

.hero__content {
  position: relative;
  z-index: 1;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.25rem;
  max-width: 820px;
}

.hero__eyebrow {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--clr-purple-pale);
  animation: fadeUp 0.8s var(--ease) both;
}
.hero__eyebrow-line {
  display: block;
  width: 40px; height: 1px;
  background: var(--grad-primary);
}

.hero__headline {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 6vw + 1rem, 5rem);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.03em;
  animation: fadeUp 0.8s 0.15s var(--ease) both;
}

.hero__headline::after {
  content: '.';
  background: var(--grad-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__subheadline {
  font-size: clamp(1rem, 1.5vw + 0.5rem, 1.25rem);
  color: rgba(241, 240, 245, 0.78);
  max-width: 580px;
  animation: fadeUp 0.8s 0.3s var(--ease) both;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
  margin-top: 0.5rem;
  animation: fadeUp 0.8s 0.45s var(--ease) both;
}

.hero__scroll-hint {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  translate: -50% 0;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.hero__scroll-icon {
  display: block;
  width: 24px; height: 38px;
  border: 2px solid rgba(241, 240, 245, 0.3);
  border-radius: 12px;
  position: relative;
}
.hero__scroll-icon::after {
  content: '';
  position: absolute;
  top: 5px;
  left: 50%;
  translate: -50% 0;
  width: 4px; height: 4px;
  background: var(--clr-purple-pale);
  border-radius: 50%;
  animation: scrollBounce 2s ease-in-out infinite;
}
@keyframes scrollBounce {
  0%, 100% { transform: translateY(0); opacity: 1; }
  70%       { transform: translateY(14px); opacity: 0.2; }
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0);    }
}

/* ═══════════════════════════════════════════════════════════
   ABOUT
   ═══════════════════════════════════════════════════════════ */
.about {
  background: var(--clr-bg-dark);
}

.about::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--grad-glow);
  pointer-events: none;
}

.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 5rem);
  align-items: center;
}

.about__content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1.25rem;
}

.about__content .section__headline { margin-top: 0; }

.about__stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.stat-card {
  background: var(--grad-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  text-align: center;
  transition: border-color var(--dur-med) var(--ease), box-shadow var(--dur-med) var(--ease);
}
.stat-card:hover {
  border-color: var(--clr-border-hover);
  box-shadow: 0 4px 24px rgba(130, 65, 218, 0.12);
}

.stat-card__value {
  display: block;
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 800;
  line-height: 1;
  background: var(--grad-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-card__label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--clr-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: 0.35rem;
}

@media (max-width: 768px) {
  .about__grid { grid-template-columns: 1fr; }
}

/* ═══════════════════════════════════════════════════════════
   SERVICES
   ═══════════════════════════════════════════════════════════ */
.services {
  background: var(--clr-bg-deep);
}

.services__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(340px, 100%), 1fr));
  gap: 1.25rem;
}

.service-card {
  background: var(--grad-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: clamp(1.5rem, 3vw, 2rem);
  display: flex;
  flex-direction: column;
  gap: 1rem;
  transition: border-color var(--dur-med) var(--ease),
              box-shadow    var(--dur-med) var(--ease),
              transform     var(--dur-med) var(--ease);
  opacity: 0;
  transform: translateY(24px);
}

.service-card.in-view {
  opacity: 1;
  transform: translateY(0);
}

.service-card:hover {
  border-color: var(--clr-border-hover);
  box-shadow: 0 8px 40px rgba(130, 65, 218, 0.14);
  transform: translateY(-4px);
}

.service-card__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 52px; height: 52px;
  border-radius: var(--radius-md);
  background: rgba(130, 65, 218, 0.12);
  border: 1px solid rgba(130, 65, 218, 0.25);
  font-size: 1.5rem;
  flex-shrink: 0;
}

.service-card__title {
  font-family: var(--font-heading);
  font-size: 1.0625rem;
  font-weight: 600;
}

.service-card__desc {
  font-size: 0.9375rem;
  color: var(--clr-text-muted);
  line-height: 1.7;
}

/* ═══════════════════════════════════════════════════════════
   WHY US
   ═══════════════════════════════════════════════════════════ */
.why-us {
  background: var(--clr-bg-dark);
  overflow: hidden;
}

.why-us::after {
  content: '';
  position: absolute;
  bottom: -40%;
  left: 50%;
  translate: -50% 0;
  width: 700px; height: 700px;
  border-radius: 50%;
  background: radial-gradient(ellipse, rgba(130, 65, 218, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.why-us__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(260px, 100%), 1fr));
  gap: 1.5rem;
}

.why-card {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding: clamp(1.25rem, 2.5vw, 1.75rem);
  border-left: 3px solid;
  border-image: var(--grad-primary) 1;
  background: rgba(16, 13, 28, 0.6);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  opacity: 0;
  transform: translateX(-16px);
  transition: opacity var(--dur-slow) var(--ease), transform var(--dur-slow) var(--ease);
}
.why-card.in-view {
  opacity: 1;
  transform: translateX(0);
}

.why-card__icon {
  font-size: 1.75rem;
  line-height: 1;
}

.why-card__title {
  font-family: var(--font-heading);
  font-size: 1.0625rem;
  font-weight: 600;
}

.why-card__desc {
  font-size: 0.9375rem;
  color: var(--clr-text-muted);
  line-height: 1.7;
}

/* ═══════════════════════════════════════════════════════════
   CONTACT
   ═══════════════════════════════════════════════════════════ */
.contact {
  background: var(--clr-bg-deep);
}

.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: clamp(2rem, 5vw, 5rem);
  align-items: start;
}

.contact__info {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}
.contact__info .section__headline { margin-top: 0; }

.contact__details {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  margin-top: 0.5rem;
}

.contact__detail {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.contact__detail-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px; height: 38px;
  border-radius: var(--radius-sm);
  background: rgba(130, 65, 218, 0.12);
  border: 1px solid var(--clr-border);
  font-size: 1rem;
  flex-shrink: 0;
}

.contact__detail-link { color: var(--clr-text-muted); }
.contact__detail-link:hover { color: var(--clr-purple-light); }

/* Form */
.contact__form {
  background: var(--grad-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: clamp(1.5rem, 3vw, 2.5rem);
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.form__group { display: flex; flex-direction: column; gap: 0.4rem; }

.form__label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--clr-text-muted);
}

.form__input {
  background: rgba(5, 4, 9, 0.6);
  border: 1.5px solid var(--clr-border);
  border-radius: var(--radius-sm);
  padding: 0.65em 1em;
  color: var(--clr-text);
  font: inherit;
  font-size: 0.9375rem;
  transition: border-color var(--dur-fast) var(--ease), box-shadow var(--dur-fast) var(--ease);
}
.form__input:focus {
  outline: none;
  border-color: var(--clr-purple);
  box-shadow: 0 0 0 3px rgba(130, 65, 218, 0.18);
}
.form__input::placeholder { color: var(--clr-text-faint); }

.form__textarea {
  resize: vertical;
  min-height: 120px;
}

.form__feedback {
  font-size: 0.875rem;
  min-height: 1.4em;
  text-align: center;
}
.form__feedback.success { color: #67e8a0; }
.form__feedback.error   { color: #f87171; }

@media (max-width: 768px) {
  .contact__grid { grid-template-columns: 1fr; }
}

/* ═══════════════════════════════════════════════════════════
   FOOTER
   ═══════════════════════════════════════════════════════════ */
.footer {
  background: var(--clr-bg-dark);
  border-top: 1px solid var(--clr-border);
  padding-top: clamp(3rem, 6vw, 5rem);
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: clamp(2rem, 4vw, 4rem);
  padding-bottom: clamp(2rem, 4vw, 3.5rem);
  border-bottom: 1px solid var(--clr-border);
}

.footer__logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}
.footer__logo img { width: 40px; height: 40px; border-radius: var(--radius-sm); object-fit: cover; }
.footer__logo span {
  background: var(--grad-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.footer__tagline {
  font-size: 0.9rem;
  color: var(--clr-text-muted);
  margin-bottom: 1.25rem;
}

.footer__social {
  display: flex;
  gap: 0.6rem;
}
.footer__social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px; height: 36px;
  border-radius: var(--radius-sm);
  background: rgba(130, 65, 218, 0.1);
  border: 1px solid var(--clr-border);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--clr-text-muted);
  transition: all var(--dur-fast) var(--ease);
}
.footer__social a:hover {
  background: var(--clr-purple);
  border-color: var(--clr-purple);
  color: #fff;
}

.footer__nav-heading {
  font-family: var(--font-heading);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--clr-text-faint);
  margin-bottom: 1rem;
}
.footer__nav-list li + li { margin-top: 0.6rem; }
.footer__nav-list a { font-size: 0.9rem; color: var(--clr-text-muted); }
.footer__nav-list a:hover { color: var(--clr-purple-light); }

.footer__contact-list li { font-size: 0.9rem; color: var(--clr-text-muted); }
.footer__contact-list li + li { margin-top: 0.6rem; }
.footer__contact-list a { color: var(--clr-text-muted); }
.footer__contact-list a:hover { color: var(--clr-purple-light); }

.footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
  padding-block: 1.5rem;
}

.footer__copyright { font-size: 0.85rem; color: var(--clr-text-faint); }

.footer__legal {
  display: flex;
  gap: 1.5rem;
}
.footer__legal a { font-size: 0.8125rem; color: var(--clr-text-faint); }
.footer__legal a:hover { color: var(--clr-text-muted); }

@media (max-width: 900px) {
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .footer__brand { grid-column: 1 / -1; }
}
@media (max-width: 500px) {
  .footer__grid { grid-template-columns: 1fr; }
  .footer__bottom { flex-direction: column; text-align: center; }
}

/* ═══════════════════════════════════════════════════════════
   REDUCED MOTION
   ═══════════════════════════════════════════════════════════ */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
  .hero__bg-img { animation: none; }
}