/* ==========================================================================
   Samia Sulaiman Portfolio - Pure CSS3 (RTL Arabic)
   Warm Ivory Canvas, Deep Plum Typography, Soft Pastel Accents & Golden CTA
   ========================================================================== */

:root {
  /* Core Matte Palette (Toned down for eye comfort) */
  --bg-canvas: #ECE7DF;
  --bg-surface: #F3EFE8;
  --bg-elevated: #F6F3ED;
  --bg-soft-ivory: #E3DDD3;

  /* Ink & Contrast (WCAG AA+) */
  --ink-primary: #261E3B;
  --ink-secondary: #48405D;
  --ink-muted: #5F5775;
  --ink-inverse: #F6F3ED;

  /* Brand & Muted Matte Pastel Accents */
  --accent-gold: #DFB145;
  --accent-gold-hover: #CF9F32;
  --accent-gold-soft: #E9DEC2;
  --accent-rose-soft: #EAD9D5;
  --accent-rose-border: #D9C1BC;
  --accent-lavender-soft: #DFDFEC;
  --accent-lavender-border: #C9C9DC;
  --accent-gold-border: #D6C7A3;
  --accent-teal: #2A8579;
  --accent-teal-soft: #DCEBE8;
  --accent-sky: #3F7FA8;
  --accent-sky-soft: #DCE6EE;
  --accent-plum: #4B3974;

  /* Borders & Soft Elevation */
  --border-hairline: rgba(38, 30, 59, 0.09);
  --border-strong: rgba(38, 30, 59, 0.17);
  --shadow-soft: 0 8px 24px rgba(38, 30, 59, 0.045);
  --shadow-card-hover: 0 14px 32px rgba(38, 30, 59, 0.08);
  --shadow-button: 0 6px 16px rgba(186, 138, 36, 0.24);

  /* Radii & Spacing */
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 22px;
  --radius-xl: 28px;
  --radius-pill: 999px;

  /* Layout */
  --container-max: 1200px;
  --header-height: 74px;
  --font-sans: 'Tajawal', 'IBM Plex Sans Arabic', 'Segoe UI', Tahoma, Arial, sans-serif;
  --ease-smooth: cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  background-color: var(--bg-canvas);
  color: var(--ink-primary);
  line-height: 1.7;
  overflow-x: clip;
  -webkit-font-smoothing: antialiased;
}

img,
svg {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font-family: inherit;
  cursor: pointer;
}

:focus-visible {
  outline: 3px solid var(--accent-plum);
  outline-offset: 3px;
}

/* Skip Link */
.skip-link {
  position: absolute;
  inset-inline-start: 1rem;
  top: -120px;
  background: var(--ink-primary);
  color: var(--ink-inverse);
  padding: 0.65rem 1.25rem;
  border-radius: var(--radius-sm);
  z-index: 2000;
  font-weight: 700;
  transition: top 0.18s var(--ease-smooth);
}

.skip-link:focus {
  top: 1rem;
}

/* Layout Containers */
.container {
  width: min(100% - 2.5rem, var(--container-max));
  margin-inline: auto;
}

main[id],
.section {
  scroll-margin-top: var(--header-height);
}

.section {
  padding-block: clamp(3.5rem, 6vw, 5.5rem);
  position: relative;
}

.section--white {
  background-color: var(--bg-surface);
}

.section--ivory {
  background-color: var(--bg-canvas);
}

.tabular-nums {
  font-variant-numeric: tabular-nums;
}

/* Typography Scale */
h1,
h2,
h3,
h4 {
  margin: 0;
  color: var(--ink-primary);
  line-height: 1.28;
  text-wrap: balance;
}

p {
  margin: 0;
  color: var(--ink-secondary);
}

.section-header {
  text-align: center;
  max-width: 680px;
  margin-inline: auto;
  margin-bottom: clamp(2rem, 4vw, 3.25rem);
}

.section-header--split {
  text-align: start;
  max-width: none;
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1.25rem;
}

.section-ornament {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  margin-bottom: 0.75rem;
  color: rgba(38, 30, 59, 0.25);
}

.section-ornament__bar {
  width: 24px;
  height: 4px;
  border-radius: 99px;
  background: linear-gradient(90deg, #DFB145, #CC8B94);
}

.section-ornament__tick {
  width: 5px;
  height: 5px;
  border-radius: 99px;
  background: rgba(79, 61, 122, 0.35);
}

.section-title {
  font-size: clamp(1.75rem, 3vw, 2.35rem);
  font-weight: 800;
  letter-spacing: -0.01em;
}

.section-subtitle {
  margin-top: 0.65rem;
  font-size: clamp(1rem, 1.3vw, 1.125rem);
  color: var(--ink-secondary);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  padding: 0.78rem 1.65rem;
  min-height: 44px;
  border-radius: var(--radius-pill);
  font-size: 0.96rem;
  font-weight: 700;
  line-height: 1.2;
  border: 1px solid transparent;
  white-space: nowrap;
  flex-shrink: 0;
  transition: transform 0.18s var(--ease-smooth), background-color 0.18s ease,
    border-color 0.18s ease, box-shadow 0.18s ease;
}

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

.btn:active {
  transform: translateY(0);
}

.btn--primary {
  background-color: var(--accent-gold);
  color: var(--ink-primary);
  box-shadow: var(--shadow-button);
}

.btn--primary:hover {
  background-color: var(--accent-gold-hover);
  box-shadow: 0 9px 20px rgba(186, 138, 36, 0.3);
}

.btn--secondary {
  background-color: var(--bg-surface);
  color: var(--ink-primary);
  border-color: var(--border-strong);
}

.btn--secondary:hover {
  border-color: var(--ink-primary);
  background-color: var(--bg-soft-ivory);
}

.btn--dark {
  background-color: var(--ink-primary);
  color: var(--ink-inverse);
}

.btn--dark:hover {
  background-color: #362B54;
}

.btn--ghost {
  background-color: transparent;
  color: var(--ink-primary);
  border-color: var(--border-strong);
  padding: 0.62rem 1.25rem;
  font-size: 0.92rem;
}

.btn--ghost:hover {
  background-color: var(--bg-surface);
  border-color: var(--ink-primary);
}

.btn--sm {
  padding: 0.58rem 1.25rem;
  min-height: 40px;
  font-size: 0.9rem;
}

.btn--block {
  width: 100%;
}

/* ==========================================================================
   Header & Navigation (3-Zone Single-Row Contract on Desktop)
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  min-height: var(--header-height);
  display: flex;
  align-items: center;
  background-color: rgba(236, 231, 223, 0.86);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.site-header.is-scrolled {
  background-color: rgba(243, 239, 232, 0.96);
  border-bottom-color: var(--border-hairline);
  box-shadow: 0 6px 24px rgba(38, 30, 59, 0.05);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  padding-block: 0.75rem;
}

/* Zone 1: Brand Wordmark */
.brand-link {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--ink-primary);
  white-space: nowrap;
  flex-shrink: 0;
}

.brand-mark {
  width: 30px;
  height: 30px;
  flex-shrink: 0;
}

/* Zone 2: Desktop Navigation Links */
.site-nav {
  display: flex;
  align-items: center;
  gap: 1.4rem;
}

.nav-link {
  position: relative;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--ink-secondary);
  white-space: nowrap;
  flex-shrink: 0;
  padding-block: 0.35rem;
  transition: color 0.18s ease;
}

.nav-link::after {
  content: '';
  position: absolute;
  inset-inline: 0;
  bottom: 0;
  height: 2px;
  border-radius: 2px;
  background-color: var(--accent-gold-hover);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 0.2s var(--ease-smooth);
}

.nav-link:hover,
.nav-link.is-active {
  color: var(--ink-primary);
}

.nav-link:hover::after,
.nav-link.is-active::after {
  transform: scaleX(1);
}

/* Zone 3: Header Primary CTA & Mobile Toggle */
.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}

.mobile-menu-btn {
  display: none;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-strong);
  background-color: var(--bg-surface);
  color: var(--ink-primary);
  transition: background-color 0.18s ease, border-color 0.18s ease;
}

.mobile-menu-btn:hover {
  background-color: var(--bg-soft-ivory);
}

/* Mobile Drawer */
.mobile-drawer-backdrop {
  position: fixed;
  inset: 0;
  background-color: rgba(38, 30, 59, 0.36);
  backdrop-filter: blur(3px);
  opacity: 0;
  pointer-events: none;
  z-index: 1100;
  transition: opacity 0.24s ease;
}

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

.mobile-drawer {
  position: fixed;
  top: 0;
  bottom: 0;
  inset-inline-start: 0;
  width: min(86vw, 330px);
  background-color: var(--bg-canvas);
  z-index: 1200;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  box-shadow: 16px 0 40px rgba(38, 30, 59, 0.14);
  transform: translateX(105%);
  transition: transform 0.28s var(--ease-smooth);
}

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

.mobile-drawer__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-hairline);
}

.mobile-drawer__close {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-hairline);
  background-color: var(--bg-surface);
  color: var(--ink-primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.mobile-drawer__nav {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.mobile-drawer__link {
  display: flex;
  align-items: center;
  padding: 0.78rem 1rem;
  min-height: 44px;
  border-radius: var(--radius-sm);
  font-size: 1.02rem;
  font-weight: 600;
  color: var(--ink-primary);
  transition: background-color 0.16s ease;
}

.mobile-drawer__link:hover,
.mobile-drawer__link.is-active {
  background-color: var(--accent-lavender-soft);
}

.mobile-drawer__footer {
  margin-top: auto;
  padding-top: 1rem;
  border-top: 1px solid var(--border-hairline);
}

/* ==========================================================================
   Hero Section (Reference-Inspired Pastel Mesh + Organic Wave)
   ========================================================================== */
.hero {
  position: relative;
  overflow: hidden;
  padding-top: clamp(2.5rem, 5vw, 4.25rem);
  padding-bottom: clamp(5rem, 9vw, 7.5rem);
  background:
    radial-gradient(62% 72% at 88% 22%, rgba(230, 196, 182, 0.72) 0%, rgba(230, 196, 182, 0) 68%),
    radial-gradient(58% 68% at 15% 24%, rgba(196, 212, 229, 0.76) 0%, rgba(196, 212, 229, 0) 70%),
    radial-gradient(52% 65% at 46% 68%, rgba(212, 205, 228, 0.65) 0%, rgba(212, 205, 228, 0) 72%),
    linear-gradient(135deg, #EAE3DA 0%, #E7DFE2 48%, #E1E5EC 100%);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  align-items: center;
  gap: clamp(2rem, 4.5vw, 4rem);
  position: relative;
  z-index: 2;
}

.hero-content {
  max-width: 580px;
}

.hero-kicker {
  display: inline-block;
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--accent-plum);
  margin-bottom: 0.85rem;
}

.hero-title {
  font-size: clamp(2.05rem, 4vw, 3.35rem);
  font-weight: 800;
  line-height: 1.22;
  color: var(--ink-primary);
  margin-bottom: 1.25rem;
}

.hero-description {
  font-size: clamp(1.02rem, 1.35vw, 1.15rem);
  line-height: 1.82;
  color: var(--ink-secondary);
  margin-bottom: 2rem;
  max-width: 47ch;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.9rem;
}

.hero-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-illustration {
  width: 100%;
  max-width: 560px;
  height: auto;
  filter: drop-shadow(0 20px 36px rgba(38, 30, 59, 0.08));
}

.hero-float-slow {
  animation: floatGentle 6.5s ease-in-out infinite;
  transform-box: fill-box;
  transform-origin: center;
}

.hero-float-delayed {
  animation: floatGentle 7.5s ease-in-out 1.1s infinite;
  transform-box: fill-box;
  transform-origin: center;
}

@keyframes floatGentle {
  0%,
  100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-7px);
  }
}

.hero-wave {
  position: absolute;
  inset-inline: 0;
  bottom: -1px;
  width: 100%;
  height: clamp(46px, 6.5vw, 92px);
  z-index: 1;
  pointer-events: none;
}

/* ==========================================================================
   Services Section (Pastel Tinted Cards)
   ========================================================================== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.5rem;
}

.service-card {
  border-radius: var(--radius-lg);
  padding: 2rem 1.75rem;
  border: 1px solid transparent;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  transition: transform 0.22s var(--ease-smooth), box-shadow 0.22s var(--ease-smooth);
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
}

.service-card--rose {
  background-color: var(--accent-rose-soft);
  border-color: var(--accent-rose-border);
}

.service-card--lavender {
  background-color: var(--accent-lavender-soft);
  border-color: var(--accent-lavender-border);
}

.service-card--gold {
  background-color: var(--accent-gold-soft);
  border-color: var(--accent-gold-border);
}

.service-card__top {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.service-icon-box {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  background-color: var(--bg-elevated);
  border: 1px solid rgba(38, 30, 59, 0.06);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(38, 30, 59, 0.05);
  flex-shrink: 0;
}

.service-card__title {
  font-size: 1.22rem;
  font-weight: 800;
  color: var(--ink-primary);
}

.service-card__desc {
  font-size: 0.98rem;
  line-height: 1.75;
  color: var(--ink-secondary);
}

/* ==========================================================================
   About Section (Split Bio + Freelance Certificate Slot)
   ========================================================================== */
.section--about {
  padding-block: clamp(2.5rem, 4vw, 3.75rem);
}

.about-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-xl);
  padding: clamp(2rem, 3.8vw, 3.25rem);
  box-shadow: var(--shadow-soft);
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.95fr);
  gap: clamp(1.75rem, 3.5vw, 2.75rem);
  align-items: center;
}

.about-main {
  display: flex;
  flex-direction: column;
  gap: 1.15rem;
}

.about-kicker {
  display: inline-block;
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--accent-plum);
  margin-bottom: 0.35rem;
}

.about-name {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--accent-plum);
  margin-top: 0.35rem;
}

.about-role {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--ink-muted);
  margin-top: 0.15rem;
}

.about-bio {
  font-size: 1.02rem;
  line-height: 1.85;
  color: var(--ink-secondary);
}

.about-features {
  background-color: var(--bg-canvas);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-lg);
  padding: clamp(1.4rem, 2.5vw, 2rem);
}

.about-features__title {
  font-size: 1.12rem;
  font-weight: 800;
  color: var(--ink-primary);
  margin-bottom: 1.15rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border-hairline);
}

.about-highlights {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.9rem 1.25rem;
}

.about-highlights li {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 600;
  font-size: 0.94rem;
  color: var(--ink-primary);
}

.about-highlights svg {
  width: 18px;
  height: 18px;
  color: var(--accent-teal);
  flex-shrink: 0;
}

/* ==========================================================================
   Packages & Pricing Section
   ========================================================================== */
.packages-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1.25rem;
  align-items: stretch;
}

.package-card {
  position: relative;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-lg);
  padding: 1.75rem 1.45rem;
  display: flex;
  flex-direction: column;
  gap: 1.15rem;
  box-shadow: var(--shadow-soft);
  transition: transform 0.22s var(--ease-smooth), box-shadow 0.22s var(--ease-smooth),
    border-color 0.22s ease;
}

.package-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
}

.package-card--featured {
  background: linear-gradient(180deg, #E5E3F0 0%, #F3EFE8 52%);
  border: 1.5px solid rgba(75, 57, 116, 0.26);
  box-shadow: 0 14px 30px rgba(75, 57, 116, 0.08);
}

.package-kicker {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  min-height: 24px;
}

.package-tag {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--accent-plum);
}

.package-name {
  font-size: 1.28rem;
  font-weight: 800;
  color: var(--ink-primary);
}

.package-fit {
  font-size: 0.91rem;
  line-height: 1.65;
  color: var(--ink-muted);
  min-height: 3.1em;
}

.package-price-wrap {
  padding-block: 0.85rem;
  border-top: 1px solid var(--border-hairline);
  border-bottom: 1px solid var(--border-hairline);
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.package-price {
  font-size: clamp(1.75rem, 2.2vw, 2.05rem);
  font-weight: 800;
  color: var(--ink-primary);
  line-height: 1.1;
}

.package-currency {
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--ink-secondary);
}

.package-features {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  flex: 1;
}

.package-features li {
  display: flex;
  align-items: flex-start;
  gap: 0.55rem;
  font-size: 0.93rem;
  line-height: 1.55;
  color: var(--ink-secondary);
}

.package-features svg {
  width: 17px;
  height: 17px;
  margin-top: 0.22rem;
  color: var(--accent-teal);
  flex-shrink: 0;
}

.package-action {
  margin-top: 0.4rem;
}

/* ==========================================================================
   Portfolio & Projects Cards
   ========================================================================== */
.cards-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.6rem;
}

.cards-grid-4 {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1.25rem;
}

.cards-grid-4 .project-card__body {
  padding: 1.15rem 1.2rem 1.3rem;
}

.cards-grid-4 .project-card__title {
  font-size: 1.12rem;
}

.cards-grid-4 .project-card__desc {
  font-size: 0.9rem;
}

.project-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-soft);
  transition: transform 0.24s var(--ease-smooth), box-shadow 0.24s var(--ease-smooth),
    border-color 0.24s ease;
}

.project-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-card-hover);
  border-color: rgba(38, 30, 59, 0.16);
}

.project-card__preview {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--bg-soft-ivory);
  border-bottom: 1px solid var(--border-hairline);
  padding: 0;
}

.project-card__preview img,
.project-card__preview svg {
  width: 100%;
  height: 100%;
  border-radius: 0;
  transition: transform 0.35s var(--ease-smooth), filter 0.35s ease;
}

.project-card__preview img {
  object-fit: cover;
  filter: saturate(0.92) contrast(0.97) brightness(0.95);
}

.project-card:hover .project-card__preview img,
.project-card:hover .project-card__preview svg {
  transform: scale(1.03);
}

.project-card:hover .project-card__preview img {
  filter: saturate(0.96) contrast(0.99) brightness(0.97);
}

.project-card__body {
  padding: 1.35rem 1.45rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  flex: 1;
}

.meta-line {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--ink-muted);
}

.project-card__title {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--ink-primary);
  unicode-bidi: plaintext;
  text-align: start;
}

.project-card__desc {
  font-size: 0.93rem;
  line-height: 1.65;
  color: var(--ink-secondary);
  flex: 1;
}

.project-card__footer {
  padding-top: 0.75rem;
  margin-top: 0.25rem;
  border-top: 1px solid var(--border-hairline);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.card-link-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.93rem;
  font-weight: 700;
  color: var(--ink-primary);
  transition: color 0.18s ease, gap 0.18s ease;
}

.card-link-cta:hover {
  color: var(--accent-plum);
  gap: 0.65rem;
}

/* Filter Tabs (Interactive Functional Buttons Only) */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 2rem;
}

.filter-btn {
  padding: 0.58rem 1.15rem;
  min-height: 40px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-hairline);
  background-color: var(--bg-surface);
  color: var(--ink-secondary);
  font-size: 0.92rem;
  font-weight: 600;
  white-space: nowrap;
  transition: background-color 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}

.filter-btn:hover {
  border-color: var(--border-strong);
  color: var(--ink-primary);
}

.filter-btn.is-active {
  background-color: var(--ink-primary);
  border-color: var(--ink-primary);
  color: var(--ink-inverse);
}

/* ==========================================================================
   Blog Cards & Article Reading View
   ========================================================================== */
.blog-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-soft);
  transition: transform 0.22s var(--ease-smooth), box-shadow 0.22s var(--ease-smooth);
}

.blog-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
}

.blog-card__thumb {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--bg-soft-ivory);
  border-bottom: 1px solid var(--border-hairline);
}

.blog-card__thumb img,
.blog-card__thumb svg {
  width: 100%;
  height: 100%;
  transition: transform 0.35s var(--ease-smooth), filter 0.35s ease;
}

.blog-card__thumb img {
  object-fit: cover;
  filter: saturate(0.92) contrast(0.97) brightness(0.95);
}

.blog-card:hover .blog-card__thumb img,
.blog-card:hover .blog-card__thumb svg {
  transform: scale(1.03);
}

.blog-card__body {
  padding: 1.4rem 1.5rem 1.6rem;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  flex: 1;
}

.blog-card__title {
  font-size: 1.16rem;
  font-weight: 800;
  line-height: 1.42;
  color: var(--ink-primary);
}

.blog-card__excerpt {
  font-size: 0.94rem;
  line-height: 1.72;
  color: var(--ink-secondary);
  flex: 1;
}

/* Inner Page Hero Banner */
.page-hero {
  position: relative;
  padding-block: clamp(2.5rem, 5vw, 4rem);
  background:
    radial-gradient(60% 80% at 85% 20%, rgba(230, 196, 182, 0.62) 0%, transparent 70%),
    radial-gradient(55% 80% at 15% 20%, rgba(196, 212, 229, 0.68) 0%, transparent 70%),
    linear-gradient(135deg, #EAE3DA 0%, #E6E2EC 100%);
  border-bottom: 1px solid var(--border-hairline);
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.9rem;
  color: var(--ink-muted);
  margin-bottom: 0.95rem;
}

.breadcrumb a:hover {
  color: var(--ink-primary);
  text-decoration: underline;
}

.page-hero__title {
  font-size: clamp(1.85rem, 3.4vw, 2.75rem);
  font-weight: 800;
  margin-bottom: 0.75rem;
}

.page-hero__desc {
  font-size: 1.05rem;
  color: var(--ink-secondary);
  max-width: 65ch;
}

/* Project Preview Page (project.html) */
.project-viewer-header {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1.25rem;
  margin-bottom: 1.5rem;
}

.project-viewer-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
}

.preview-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 1.15rem;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-hairline);
  border-bottom: none;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.preview-url-display {
  font-size: 0.88rem;
  color: var(--ink-muted);
  direction: ltr;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: min(100%, 460px);
}

.preview-viewport-switch {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.25rem;
  background-color: var(--bg-soft-ivory);
  border-radius: var(--radius-sm);
}

.viewport-btn {
  padding: 0.42rem 0.9rem;
  min-height: 36px;
  border: none;
  border-radius: 8px;
  background: transparent;
  color: var(--ink-secondary);
  font-size: 0.86rem;
  font-weight: 700;
  transition: background-color 0.16s ease, color 0.16s ease;
}

.viewport-btn.is-active {
  background-color: var(--bg-surface);
  color: var(--ink-primary);
  box-shadow: 0 2px 8px rgba(38, 30, 59, 0.08);
}

.preview-frame-shell {
  background-color: var(--bg-soft-ivory);
  border: 1px solid var(--border-hairline);
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
  padding: 1rem;
  display: flex;
  justify-content: center;
}

.preview-frame-box {
  width: 100%;
  height: clamp(440px, 66vh, 720px);
  background-color: var(--bg-surface);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: width 0.28s var(--ease-smooth);
  position: relative;
}

.preview-frame-box.is-mobile {
  width: 390px;
  max-width: 100%;
}

.preview-frame-box iframe {
  width: 100%;
  height: 100%;
  border: 0;
  display: block;
}

.preview-fallback-note {
  margin-top: 1rem;
  padding: 1rem 1.25rem;
  background-color: var(--accent-lavender-soft);
  border: 1px solid var(--accent-lavender-border);
  border-radius: var(--radius-md);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.94rem;
}

.project-sibling-nav {
  margin-top: 2.25rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

/* Article Reader Layout (article.html) */
.article-layout {
  max-width: 820px;
  margin-inline: auto;
}

.article-paper {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-xl);
  padding: clamp(1.75rem, 4vw, 3.25rem);
  box-shadow: var(--shadow-soft);
}

.article-cover {
  margin-bottom: 2rem;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 16 / 9;
  background-color: var(--bg-soft-ivory);
  border: 1px solid var(--border-hairline);
}

.article-cover img,
.article-cover svg {
  width: 100%;
  height: 100%;
}

.article-cover img {
  object-fit: cover;
  filter: saturate(0.92) contrast(0.98) brightness(0.95);
}

.article-body {
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}

.article-section h2 {
  font-size: clamp(1.25rem, 2.2vw, 1.55rem);
  font-weight: 800;
  color: var(--ink-primary);
  margin-bottom: 0.75rem;
}

.article-section p {
  font-size: 1.04rem;
  line-height: 1.9;
  color: var(--ink-secondary);
}

.article-section p + p {
  margin-top: 0.85rem;
}

.article-cta-box {
  margin-top: 2.25rem;
  padding: 1.75rem;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, var(--accent-rose-soft) 0%, var(--accent-lavender-soft) 100%);
  border: 1px solid var(--border-hairline);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
}

.article-related {
  margin-top: 3.5rem;
}

/* ==========================================================================
   Contact Section & Pastel Footer (Inspired by Reference Bottom Band)
   ========================================================================== */
.contact-footer-band {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(58% 72% at 88% 20%, rgba(230, 202, 180, 0.65) 0%, transparent 68%),
    radial-gradient(55% 75% at 12% 30%, rgba(206, 204, 228, 0.68) 0%, transparent 72%),
    linear-gradient(180deg, #EAE3DC 0%, #E4DFE9 100%);
  border-top: 1px solid var(--border-hairline);
}

.contact-section {
  padding-block: clamp(3.5rem, 6vw, 5rem);
  scroll-margin-top: var(--header-height);
}

.contact-card {
  background-color: rgba(243, 239, 232, 0.9);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(38, 30, 59, 0.1);
  border-radius: var(--radius-xl);
  padding: clamp(2rem, 4vw, 3.25rem);
  box-shadow: var(--shadow-soft);
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: 2.25rem;
  align-items: center;
}

.contact-title {
  font-size: clamp(1.65rem, 3vw, 2.25rem);
  font-weight: 800;
  margin-bottom: 0.85rem;
}

.contact-text {
  font-size: 1.04rem;
  line-height: 1.8;
  color: var(--ink-secondary);
  margin-bottom: 1.65rem;
  max-width: 52ch;
}

.contact-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
}

.contact-info-box {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-lg);
  padding: 1.65rem;
  display: flex;
  flex-direction: column;
  gap: 1.15rem;
}

.contact-detail-row {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.contact-detail-icon {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background-color: var(--accent-lavender-soft);
  color: var(--ink-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-detail-label {
  font-size: 0.84rem;
  color: var(--ink-muted);
  display: block;
}

.contact-detail-value {
  font-size: 1.02rem;
  font-weight: 700;
  color: var(--ink-primary);
  display: inline-block;
  transition: color 0.18s ease;
}

.contact-detail-value:hover {
  color: var(--accent-plum);
}

.contact-detail-value--ltr {
  direction: ltr;
  unicode-bidi: isolate;
}

.social-block {
  padding-top: 1rem;
  border-top: 1px solid var(--border-hairline);
}

.social-block__title {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--ink-muted);
  margin-bottom: 0.7rem;
}

.social-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem;
}

.social-btn {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  border: 1px solid var(--border-hairline);
  background-color: var(--bg-canvas);
  color: var(--ink-primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.18s var(--ease-smooth), background-color 0.18s ease,
    border-color 0.18s ease;
}

.social-btn:hover {
  transform: translateY(-2px);
  background-color: var(--accent-gold-soft);
  border-color: var(--accent-gold-border);
}

.social-btn--pending {
  color: var(--ink-secondary);
}

.social-feedback {
  margin-top: 0.55rem;
  font-size: 0.84rem;
  color: var(--accent-plum);
  min-height: 1.3em;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--border-hairline);
  padding-top: 2.75rem;
  padding-bottom: 1.75rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) repeat(3, minmax(0, 1fr));
  gap: 2rem;
  padding-bottom: 2rem;
}

.footer-brand-desc {
  margin-top: 0.75rem;
  font-size: 0.94rem;
  line-height: 1.75;
  color: var(--ink-secondary);
  max-width: 34ch;
}

.footer-heading {
  font-size: 0.98rem;
  font-weight: 800;
  color: var(--ink-primary);
  margin-bottom: 0.9rem;
}

.footer-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.footer-links a {
  font-size: 0.93rem;
  color: var(--ink-secondary);
  transition: color 0.16s ease;
}

.footer-links a:hover {
  color: var(--ink-primary);
}

.footer-bottom {
  padding-top: 1.35rem;
  border-top: 1px solid var(--border-hairline);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.9rem;
  color: var(--ink-muted);
}

/* Back to Top Button */
.back-to-top {
  position: fixed;
  inset-inline-end: 1.35rem;
  bottom: 1.35rem;
  width: 46px;
  height: 46px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border-strong);
  background-color: var(--bg-surface);
  color: var(--ink-primary);
  box-shadow: var(--shadow-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transform: translateY(12px);
  pointer-events: none;
  z-index: 900;
  transition: opacity 0.22s ease, transform 0.22s var(--ease-smooth),
    background-color 0.18s ease;
}

.back-to-top.is-visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.back-to-top:hover {
  background-color: var(--accent-gold);
  border-color: var(--accent-gold);
}

/* Empty & Loading States */
.state-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-lg);
  padding: 2.5rem 1.5rem;
  text-align: center;
  max-width: 560px;
  margin-inline: auto;
}

.state-card h2 {
  font-size: 1.35rem;
  margin-bottom: 0.65rem;
}

.state-card p {
  margin-bottom: 1.35rem;
}

/* Scroll Reveal (Progressive Enhancement - Zero Latency on Initial Viewport) */
.reveal-on-scroll {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.55s var(--ease-smooth), transform 0.55s var(--ease-smooth);
}

.reveal-on-scroll.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */
@media (max-width: 1180px) {
  .packages-grid,
  .cards-grid-4 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 1024px) {
  .site-nav,
  .header-cta-desktop {
    display: none;
  }

  .mobile-menu-btn {
    display: inline-flex;
  }

  .hero-grid,
  .about-card,
  .contact-card {
    grid-template-columns: 1fr;
  }

  .hero-content {
    max-width: none;
  }

  .hero-illustration {
    max-width: 480px;
  }

  .cards-grid-3,
  .services-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .footer-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  .container {
    width: min(100% - 1.75rem, var(--container-max));
  }

  .services-grid,
  .packages-grid,
  .cards-grid-3,
  .cards-grid-4,
  .about-highlights,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .package-fit {
    min-height: auto;
  }

  .hero-actions .btn,
  .contact-buttons .btn {
    width: 100%;
  }

  .section-header--split {
    align-items: flex-start;
  }
}

/* Respect Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .hero-float-slow,
  .hero-float-delayed {
    animation: none;
  }

  .reveal-on-scroll {
    opacity: 1;
    transform: none;
    transition: none;
  }

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
  }
}