/* ==========================================================================
   Zamzam Decor — custom styles layered on top of Tailwind CSS
   Tailwind handles layout/spacing/colour utilities; this file holds the
   brand typography, motion and the components Tailwind alone can't express.
   ========================================================================== */

/* Brand palette sampled from ZM-Logo.png: purple #6C0060, navy #000C6C. */
:root {
  --zd-navy: #000c6c;
  --zd-navy-deep: #000428;
  --zd-purple: #6c0060;
  --zd-purple-deep: #4a0042;
  --zd-purple-soft: #b565ab;
  --zd-mist: #f4f2f8;
  --zd-mist-deep: #e4e0f0;
  --zd-ink: #000c6c;
  --zd-muted: #3d3d72;
  --zd-header-h: 88px;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--zd-header-h) + 16px);
}

body {
  font-family: Arial, Helvetica, sans-serif;
  color: var(--zd-ink);
  background-color: var(--zd-mist);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4, .font-display {
  font-family: Arial, Helvetica, sans-serif;
  font-weight: 700;
  letter-spacing: -0.02em;
}

::selection {
  background: var(--zd-purple);
  color: #fff;
}

/* -------------------------------------------------------------------------
   Typographic accents
   ------------------------------------------------------------------------- */

.eyebrow {
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--zd-purple);
}

.rule-accent {
  display: block;
  width: 62px;
  height: 2px;
  background: linear-gradient(90deg, var(--zd-purple), rgba(108, 0, 96, 0));
}

.rule-accent-center {
  margin-inline: auto;
  background: linear-gradient(90deg, rgba(108, 0, 96, 0), var(--zd-purple), rgba(108, 0, 96, 0));
}

.text-balance {
  text-wrap: balance;
}

/* -------------------------------------------------------------------------
   Buttons
   ------------------------------------------------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  padding: 0.9rem 1.9rem;
  border-radius: 2px;
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  line-height: 1;
  border: 1px solid transparent;
  transition: background-color 0.28s ease, color 0.28s ease, border-color 0.28s ease,
    transform 0.28s ease, box-shadow 0.28s ease;
}

.btn:focus-visible {
  outline: 2px solid var(--zd-purple);
  outline-offset: 3px;
}

.btn-primary {
  background: var(--zd-purple);
  color: #fff;
  box-shadow: 0 12px 30px -14px rgba(0, 12, 108, 0.65);
}

.btn-primary:hover {
  background: var(--zd-purple-deep);
  transform: translateY(-2px);
  box-shadow: 0 18px 36px -16px rgba(0, 12, 108, 0.75);
}

.btn-dark {
  background: var(--zd-navy);
  color: var(--zd-mist);
}

.btn-dark:hover {
  background: var(--zd-navy-deep);
  transform: translateY(-2px);
}

.btn-outline {
  border-color: rgba(0, 12, 108, 0.28);
  color: var(--zd-navy);
}

.btn-outline:hover {
  border-color: var(--zd-purple);
  background: var(--zd-purple);
  color: #fff;
}

.btn-ghost-light {
  border-color: rgba(247, 245, 250, 0.45);
  color: var(--zd-mist);
}

.btn-ghost-light:hover {
  background: var(--zd-mist);
  color: var(--zd-navy);
}

/* -------------------------------------------------------------------------
   Header & navigation
   ------------------------------------------------------------------------- */

.site-header {
  transition: background-color 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.site-header.is-stuck {
  background: rgba(247, 245, 250, 0.94);
  backdrop-filter: blur(10px);
  box-shadow: 0 10px 30px -22px rgba(0, 12, 108, 0.8);
  border-bottom-color: rgba(0, 12, 108, 0.08);
}

.nav-link {
  position: relative;
  white-space: nowrap;
  font-size: 0.74rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--zd-navy);
  padding: 0.4rem 0;
  transition: color 0.25s ease;
}

@media (min-width: 1280px) {
  .nav-link { font-size: 0.79rem; }
}

.nav-link::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  height: 1.5px;
  width: 0;
  background: var(--zd-purple);
  transition: width 0.3s ease;
}

.nav-link:hover,
.nav-link[aria-current='page'] {
  color: var(--zd-purple);
}

.nav-link:hover::after,
.nav-link[aria-current='page']::after {
  width: 100%;
}

.nav-dropdown {
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity 0.22s ease, transform 0.22s ease, visibility 0.22s;
}

.nav-item:hover > .nav-dropdown,
.nav-item:focus-within > .nav-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-link {
  display: block;
  padding: 0.62rem 1.1rem;
  font-size: 0.85rem;
  color: var(--zd-ink);
  border-left: 2px solid transparent;
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.dropdown-link:hover,
.dropdown-link[aria-current='page'] {
  background: var(--zd-mist);
  color: var(--zd-navy);
  border-left-color: var(--zd-purple);
}

/* Mobile drawer */
.mobile-drawer {
  transform: translateX(100%);
  transition: transform 0.36s cubic-bezier(0.4, 0, 0.2, 1);
}

.mobile-drawer.is-open {
  transform: translateX(0);
}

.drawer-backdrop {
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.drawer-backdrop.is-open {
  opacity: 1;
  pointer-events: auto;
}

.mobile-sub {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.32s ease;
}

.mobile-sub > div {
  overflow: hidden;
}

.mobile-group.is-open .mobile-sub {
  grid-template-rows: 1fr;
}

.mobile-group.is-open .mobile-chevron {
  transform: rotate(180deg);
}

.mobile-chevron {
  transition: transform 0.3s ease;
}

body.no-scroll {
  overflow: hidden;
}

/* -------------------------------------------------------------------------
   Scroll reveal
   ------------------------------------------------------------------------- */

[data-reveal] {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.75s cubic-bezier(0.22, 1, 0.36, 1),
    transform 0.75s cubic-bezier(0.22, 1, 0.36, 1);
  will-change: opacity, transform;
}

[data-reveal='left'] { transform: translateX(-30px); }
[data-reveal='right'] { transform: translateX(30px); }
[data-reveal='zoom'] { transform: scale(0.95); }

[data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

/* -------------------------------------------------------------------------
   Cards & media
   ------------------------------------------------------------------------- */

.card {
  background: #fff;
  border: 1px solid rgba(0, 12, 108, 0.08);
  transition: transform 0.35s ease, box-shadow 0.35s ease, border-color 0.35s ease;
}

.card:hover {
  transform: translateY(-6px);
  border-color: rgba(108, 0, 96, 0.5);
  box-shadow: 0 26px 50px -30px rgba(0, 12, 108, 0.55);
}

.media-zoom img {
  transition: transform 0.85s cubic-bezier(0.22, 1, 0.36, 1);
}

.media-zoom:hover img {
  transform: scale(1.07);
}

.accent-frame {
  position: relative;
}

.accent-frame::after {
  content: '';
  position: absolute;
  inset: 14px;
  border: 1px solid rgba(181, 101, 171, 0.5);
  pointer-events: none;
}

.pattern-band {
  background-image: url('../images/pattern-arabesque.svg');
  background-size: 190px;
  background-repeat: repeat;
}

/* -------------------------------------------------------------------------
   Portfolio filtering
   ------------------------------------------------------------------------- */

.filter-btn {
  font-size: 0.76rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.62rem 1.25rem;
  border: 1px solid rgba(0, 12, 108, 0.16);
  color: var(--zd-muted);
  background: transparent;
  border-radius: 2px;
  transition: all 0.25s ease;
}

.filter-btn:hover {
  color: var(--zd-navy);
  border-color: var(--zd-purple);
}

.filter-btn.is-active {
  background: var(--zd-navy);
  border-color: var(--zd-navy);
  color: var(--zd-mist);
}

.portfolio-item {
  transition: opacity 0.35s ease, transform 0.35s ease;
}

.portfolio-item.is-hidden {
  display: none;
}

.portfolio-item.is-fading {
  opacity: 0;
  transform: scale(0.97);
}

/* -------------------------------------------------------------------------
   Lightbox
   ------------------------------------------------------------------------- */

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 90;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(6, 10, 46, 0.975);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s;
}

.lightbox.is-open {
  opacity: 1;
  visibility: visible;
}

.lightbox img {
  max-width: min(1120px, 92vw);
  max-height: 76vh;
  object-fit: contain;
  box-shadow: 0 40px 90px -40px rgba(0, 0, 0, 0.9);
  transform: scale(0.96);
  transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1);
}

.lightbox.is-open img {
  transform: scale(1);
}

.lightbox-btn {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border: 1px solid rgba(247, 245, 250, 0.3);
  color: var(--zd-mist);
  background: rgba(247, 245, 250, 0.06);
  border-radius: 999px;
  transition: background-color 0.25s ease, border-color 0.25s ease;
}

.lightbox-btn:hover {
  background: var(--zd-purple);
  border-color: var(--zd-purple);
  color: #fff;
}

/* -------------------------------------------------------------------------
   FAQ accordion
   ------------------------------------------------------------------------- */

.faq-item + .faq-item {
  border-top: 1px solid rgba(0, 12, 108, 0.1);
}

.faq-trigger {
  display: flex;
  width: 100%;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1.35rem 0;
  text-align: left;
  transition: color 0.25s ease;
}

.faq-trigger:hover {
  color: var(--zd-purple);
}

.faq-panel {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.34s ease;
}

.faq-panel > div {
  overflow: hidden;
}

.faq-item.is-open .faq-panel {
  grid-template-rows: 1fr;
}

.faq-item.is-open .faq-icon {
  transform: rotate(45deg);
  background: var(--zd-purple);
  color: #fff;
  border-color: var(--zd-purple);
}

.faq-icon {
  flex: none;
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border: 1px solid rgba(0, 12, 108, 0.2);
  border-radius: 999px;
  transition: transform 0.3s ease, background-color 0.3s ease, color 0.3s ease,
    border-color 0.3s ease;
}

/* -------------------------------------------------------------------------
   Forms
   ------------------------------------------------------------------------- */

.field-label {
  display: block;
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--zd-muted);
  margin-bottom: 0.5rem;
}

.field {
  width: 100%;
  padding: 0.85rem 1rem;
  background: #fff;
  border: 1px solid rgba(0, 12, 108, 0.16);
  border-radius: 2px;
  font-size: 0.95rem;
  color: var(--zd-ink);
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

.field::placeholder {
  color: #9e9ab0;
}

.field:focus {
  outline: none;
  border-color: var(--zd-purple);
  box-shadow: 0 0 0 3px rgba(108, 0, 96, 0.16);
}

.field[aria-invalid='true'] {
  border-color: #c0432f;
  box-shadow: 0 0 0 3px rgba(192, 67, 47, 0.12);
}

select.field {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%236b6880' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.9rem center;
  background-size: 18px;
  padding-right: 2.6rem;
}

.field-error {
  display: none;
  margin-top: 0.4rem;
  font-size: 0.78rem;
  color: #c0432f;
}

.field-error.is-shown {
  display: block;
}

/* -------------------------------------------------------------------------
   Misc
   ------------------------------------------------------------------------- */

.stat-value {
  font-family: Arial, Helvetica, sans-serif;
  font-weight: 700;
  font-size: clamp(1.7rem, 2.6vw, 2.35rem);
  line-height: 1.05;
  color: var(--zd-purple);
}

.link-underline {
  background-image: linear-gradient(var(--zd-purple), var(--zd-purple));
  background-size: 0 1px;
  background-position: 0 100%;
  background-repeat: no-repeat;
  transition: background-size 0.35s ease;
}

.link-underline:hover {
  background-size: 100% 1px;
}

.to-top {
  opacity: 0;
  visibility: hidden;
  transform: translateY(14px);
  transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s,
    background-color 0.3s ease;
}

.to-top.is-shown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

/* Logo fallback: JS swaps in the placeholder mark if logo.png is missing. */
.logo-img {
  height: 48px;
  width: auto;
  display: block;
}

@media (min-width: 1024px) {
  .logo-img { height: 62px; }
}

/* The brand logo is a transparent PNG containing navy artwork, so on dark
   surfaces it sits on a light plate to stay legible. */
.logo-plate {
  display: inline-block;
  padding: 0.7rem 1rem;
  background: var(--zd-mist);
  border-radius: 3px;
}

.site-footer {
  background-color: var(--zd-navy-deep);
}

/* -------------------------------------------------------------------------
   Homepage hero slider
   ------------------------------------------------------------------------- */

.hero-slider {
  position: relative;
}

.hero-slider-viewport {
  position: absolute;
  inset: 0;
}

.hero-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 1.05s ease;
}

.hero-slide.is-active {
  opacity: 1;
}

.hero-slide-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.06);
}

.hero-slide.is-active .hero-slide-img {
  animation: heroKenBurns 18s ease-out forwards;
}

@keyframes heroKenBurns {
  from { transform: scale(1.06); }
  to { transform: scale(1.16); }
}

.hero-slider-controls {
  position: absolute;
  right: 1.15rem;
  bottom: 5.25rem;
  z-index: 3;
  display: flex;
  gap: 0.55rem;
}

.hero-slider-btn {
  display: grid;
  place-items: center;
  width: 2.75rem;
  height: 2.75rem;
  border: 1px solid rgba(244, 242, 248, 0.35);
  color: var(--zd-mist);
  background: rgba(0, 4, 40, 0.45);
  backdrop-filter: blur(8px);
  transition: background-color 0.2s ease, border-color 0.2s ease;
}

.hero-slider-btn:hover,
.hero-slider-btn:focus-visible {
  background: var(--zd-purple);
  border-color: var(--zd-purple);
  outline: none;
}

.hero-slider-dots {
  position: absolute;
  left: 50%;
  bottom: 1.4rem;
  z-index: 3;
  display: flex;
  gap: 0.45rem;
  transform: translateX(-50%);
}

.hero-slider-dot {
  width: 2.1rem;
  height: 3px;
  background: rgba(244, 242, 248, 0.35);
  transition: background-color 0.2s ease, width 0.2s ease;
}

.hero-slider-dot.is-active {
  width: 2.7rem;
  background: var(--zd-purple);
}

/* -------------------------------------------------------------------------
   Parallax
   ------------------------------------------------------------------------- */

.parallax-section {
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
}

.parallax-media {
  position: absolute;
  left: 0;
  right: 0;
  top: -22%;
  width: 100%;
  height: 144%;
  object-fit: cover;
  will-change: transform;
  transform: translate3d(0, 0, 0) scale(1.12);
  pointer-events: none;
}

.parallax-media.is-static {
  top: 0;
  height: 100%;
  transform: none;
  will-change: auto;
}

/* Respect reduced-motion preferences across every animation above. */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  [data-reveal] {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }

  .hero-slide,
  .hero-slide.is-active .hero-slide-img {
    animation: none !important;
    transition: none !important;
  }

  .parallax-media {
    top: 0 !important;
    height: 100% !important;
    transform: none !important;
    will-change: auto !important;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    transition-duration: 0.001ms !important;
  }
}

@media print {
  .site-header, .site-footer, .to-top, .lightbox { display: none !important; }
  body { background: #fff; }
}