/* ==========================================================================
   Aystat Portfolio - Deep Jewel Tones Showcase Design
   ========================================================================== */

:root {
  /* Neutral Canvas */
  --bg-page: #ffffff;
  --bg-header: #f8fafc;
  --bg-header-alt: #f1f5f9;
  --bg-card: #ffffff;
  --bg-subtle: #f8fafc;
  --border-light: #e2e8f0;
  --border-subtle: #edf2f7;
  --border-dark: #cbd5e1;

  /* Typography */
  --text-main: #0f172a;
  --text-body: #334155;
  --text-muted: #475569;
  --text-light: #64748b;

  /* Deep, Opaque Jewel Tones Palette (Rich & Saturated) */
  /* 1. Emerald (Rich Gemstone Forest Green) */
  --jewel-emerald-deep: #064e3b;
  --jewel-emerald-solid: #065f46;
  --jewel-emerald-accent: #059669;
  --jewel-emerald-border: #047857;
  --jewel-emerald-bg: #ecfdf5;
  --jewel-emerald-text: #ffffff;

  /* 2. Sapphire (Deep Royal Gemstone Blue) */
  --jewel-sapphire-deep: #0f2e6b;
  --jewel-sapphire-solid: #1e40af;
  --jewel-sapphire-accent: #2563eb;
  --jewel-sapphire-border: #1d4ed8;
  --jewel-sapphire-bg: #eff6ff;
  --jewel-sapphire-text: #ffffff;

  /* 3. Ruby / Garnet (Vivid Gemstone Red & Crimson) */
  --jewel-ruby-deep: #881337;
  --jewel-ruby-solid: #9f1239;
  --jewel-ruby-accent: #be123c;
  --jewel-ruby-border: #9f1239;
  --jewel-ruby-bg: #fff1f2;
  --jewel-ruby-text: #ffffff;

  /* 4. Amethyst (Deep Imperial Gemstone Purple) */
  --jewel-amethyst-deep: #4c1d95;
  --jewel-amethyst-solid: #6b21a8;
  --jewel-amethyst-accent: #7c3aed;
  --jewel-amethyst-border: #6d28d9;
  --jewel-amethyst-bg: #f5f3ff;
  --jewel-amethyst-text: #ffffff;

  /* 5. Topaz / Amber (Deep Warm Gemstone Bronze/Gold) */
  --jewel-topaz-deep: #78350f;
  --jewel-topaz-solid: #92400e;
  --jewel-topaz-accent: #d97706;
  --jewel-topaz-border: #b45309;
  --jewel-topaz-bg: #fffbeb;
  --jewel-topaz-text: #ffffff;

  /* Aliases for backwards compatibility */
  --pastel-mint-bg: var(--jewel-emerald-bg);
  --pastel-mint-border: var(--jewel-emerald-border);
  --pastel-mint-text: var(--jewel-emerald-text);
  --pastel-mint-accent: var(--jewel-emerald-accent);

  --pastel-sky-bg: var(--jewel-sapphire-bg);
  --pastel-sky-border: var(--jewel-sapphire-border);
  --pastel-sky-text: var(--jewel-sapphire-text);
  --pastel-sky-accent: var(--jewel-sapphire-accent);

  --pastel-lavender-bg: var(--jewel-amethyst-bg);
  --pastel-lavender-border: var(--jewel-amethyst-border);
  --pastel-lavender-text: var(--jewel-amethyst-text);
  --pastel-lavender-accent: var(--jewel-amethyst-accent);

  --pastel-rose-bg: var(--jewel-ruby-bg);
  --pastel-rose-border: var(--jewel-ruby-border);
  --pastel-rose-text: var(--jewel-ruby-text);
  --pastel-rose-accent: var(--jewel-ruby-accent);

  --pastel-amber-bg: var(--jewel-topaz-bg);
  --pastel-amber-border: var(--jewel-topaz-border);
  --pastel-amber-text: var(--jewel-topaz-text);
  --pastel-amber-accent: var(--jewel-topaz-accent);

  /* Elevation & Transitions */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-full: 9999px;
  --shadow-sm: none;
  --shadow-md: none;
  --shadow-lg: none;
  --transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  --container-width: 1160px;
}

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

html {
  font-family: "Ubuntu", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-body);
  background-color: var(--bg-page);
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

body {
  background-color: var(--bg-page);
  color: var(--text-body);
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition);
}

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

button, input, textarea, select {
  font: inherit;
  color: inherit;
}

/* Container */
.container {
  width: 100%;
  max-width: var(--container-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

/* Section Framework with Crisp Borders */
.section {
  padding: 4.5rem 0;
  position: relative;
}

.section-bordered {
  border-top: 1px solid var(--border-light);
}

.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 3rem auto;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.4rem 0.95rem;
  border-radius: var(--radius-full);
  margin-bottom: 0.85rem;
  box-shadow: none;
}

.section-tag.jewel-sapphire {
  background-color: var(--jewel-sapphire-solid);
  color: #ffffff;
  border: 1px solid var(--jewel-sapphire-deep);
}

.section-tag.jewel-ruby {
  background-color: var(--jewel-ruby-solid);
  color: #ffffff;
  border: 1px solid var(--jewel-ruby-deep);
}

.section-tag.jewel-emerald {
  background-color: var(--jewel-emerald-solid);
  color: #ffffff;
  border: 1px solid var(--jewel-emerald-deep);
}

.section-tag.jewel-amethyst {
  background-color: var(--jewel-amethyst-solid);
  color: #ffffff;
  border: 1px solid var(--jewel-amethyst-deep);
}

.section-tag.section-tag-white,
.section-tag.tag-white {
  background-color: #ffffff;
  color: #1e293b;
  border: 1.5px solid #cbd5e1;
}

.section-tag.section-tag-white svg,
.section-tag.tag-white svg {
  stroke: #64748b;
}

.section-title {
  font-size: 2.15rem;
  font-weight: 700;
  color: var(--text-main);
  letter-spacing: -0.025em;
  line-height: 1.25;
  margin-bottom: 0.75rem;
}

.section-subtitle {
  font-size: 1.05rem;
  color: #475569;
  line-height: 1.6;
}

/* ==========================================================================
   Header (Responsive White-Grey Header with crisp border)
   ========================================================================== */
.site-header {
  background-color: var(--bg-header);
  border-bottom: 1px solid var(--border-light);
  position: relative;
  z-index: 100;
  transition: var(--transition);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4.25rem;
  position: relative;
}

/* Brand */
.brand {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  z-index: 102;
}

.brand-title {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.025em;
  line-height: 1.2;
  transition: var(--transition);
}

.brand-title.brand-blue {
  color: var(--jewel-sapphire-solid);
}

.brand:hover .brand-title.brand-blue {
  color: var(--jewel-sapphire-accent);
}

.brand-title.brand-white {
  color: #ffffff;
  display: inline-block;
  margin-bottom: 0.5rem;
}

.footer-brand-link:hover .brand-title.brand-white {
  color: #38bdf8;
}

/* Navigation & Action Menu */
.nav-wrap {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.nav-menu {
  display: flex;
  align-items: center;
  list-style: none;
  gap: 0.25rem;
}

.nav-link {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text-body);
  padding: 0.45rem 0.85rem;
  border-radius: var(--radius-sm);
  position: relative;
  transition: var(--transition);
}

.nav-link:hover,
.nav-link.active {
  color: var(--text-main);
  background-color: #ffffff;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: var(--jewel-sapphire-accent);
  transition: var(--transition);
  border-radius: 2px;
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 80%;
}

/* Header Contact Button - Rich Jewel Red / Ruby */
.header-contact-btn {
  font-size: 0.875rem;
  font-weight: 700;
  padding: 0.5rem 1.15rem;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, #059669 0%, #047857 100%);
  color: #ffffff !important;
  border: 1px solid #047857;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  box-shadow: none;
  transition: var(--transition);
}

.header-contact-btn svg {
  stroke: #ffffff;
  transition: transform 0.2s ease;
}

.header-contact-btn:hover {
  background: linear-gradient(135deg, #047857 0%, #064e3b 100%);
  border-color: #064e3b;
  color: #ffffff !important;
}

.header-contact-btn:hover svg {
  
}

/* Mobile Toggle Hamburger */
.mobile-toggle {
  display: none;
  background: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  width: 2.5rem;
  height: 2.5rem;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 102;
  transition: var(--transition);
}

.mobile-toggle:hover {
  background-color: var(--bg-header-alt);
  border-color: var(--border-dark);
}

.mobile-toggle-icon {
  width: 1.25rem;
  height: 0.875rem;
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.mobile-toggle-icon span {
  display: block;
  height: 2px;
  width: 100%;
  background-color: var(--text-main);
  border-radius: 2px;
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.mobile-toggle.is-active .mobile-toggle-icon span:nth-child(1) {
  transform: translateY(5px) rotate(45deg);
}
.mobile-toggle.is-active .mobile-toggle-icon span:nth-child(2) {
  opacity: 0;
}
.mobile-toggle.is-active .mobile-toggle-icon span:nth-child(3) {
  transform: translateY(-5px) rotate(-45deg);
}

/* Nav Backdrop on mobile */
.nav-backdrop {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(15, 23, 42, 0.45);
  backdrop-filter: blur(4px);
  z-index: 98;
  opacity: 0;
  transition: opacity 0.2s ease;
}

.nav-backdrop.show {
  display: block;
  opacity: 1;
}

/* ==========================================================================
   Hero Section (Centered Typography with Deep Jewel Ambient Mesh)
   ========================================================================== */
.hero {
  padding: 6.5rem 0 5.5rem 0;
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--border-light);
  background-color: #f8fafc;
  background-image: 
    radial-gradient(circle 650px at 10% 20%, rgba(30, 64, 175, 0.16) 0%, transparent 65%),
    radial-gradient(circle 600px at 90% 15%, rgba(159, 18, 57, 0.15) 0%, transparent 60%),
    radial-gradient(circle 500px at 50% 85%, rgba(88, 28, 135, 0.12) 0%, transparent 65%),
    radial-gradient(circle 450px at 25% 80%, rgba(6, 95, 70, 0.10) 0%, transparent 60%),
    linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
}

.hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, #2563eb, #059669, transparent);
  opacity: 0.85;
}

.hero-centered {
  text-align: center;
}

.hero-container-centered {
  max-width: 880px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
  z-index: 2;
}

.section-projects {
  background-color: #ffffff;
}

.section-contact {
  background-color: #f8fafc;
  border-top: 1px solid var(--border-light);
}

.hero-eyebrow-wrap {
  margin-bottom: 1.5rem;
}

.hero-eyebrow-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--text-main);
  background: #ffffff;
  border: 1px solid var(--border-dark);
  padding: 0.45rem 1.15rem;
  border-radius: var(--radius-full);
  box-shadow: none;
  letter-spacing: 0.02em;
}

.pulse-live {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: #10b981;
  box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
  animation: pulse-ring 2s infinite;
  flex-shrink: 0;
}

@keyframes pulse-ring {
  0% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
  70% { box-shadow: 0 0 0 6px rgba(16, 185, 129, 0); }
  100% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

.hero-title {
  font-size: 3.35rem;
  font-weight: 800;
  line-height: 1.15;
  color: var(--text-main);
  letter-spacing: -0.035em;
  margin-bottom: 1.5rem;
  max-width: 860px;
}

.hero-title .highlight-ruby {
  color: var(--jewel-ruby-solid);
  font-weight: 800;
}

.hero-title .highlight-emerald {
  color: var(--jewel-emerald-border);
  font-weight: 800;
}

.hero-title .highlight-sapphire {
  color: var(--jewel-sapphire-solid);
  font-weight: 800;
}

.hero-desc {
  font-size: 1.18rem;
  line-height: 1.75;
  color: var(--text-body);
  margin-bottom: 2.25rem;
  max-width: 740px;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.1rem;
  flex-wrap: wrap;
  margin-bottom: 0;
}

/* Primary and Outline Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-size: 0.9375rem;
  font-weight: 600;
  padding: 0.75rem 1.4rem;
  border-radius: var(--radius-md);
  cursor: pointer;
  border: 1px solid transparent;
  transition: var(--transition);
  text-align: center;
}

.btn-primary {
  background-color: var(--text-main);
  color: #ffffff;
  box-shadow: none;
}

.btn-primary:hover {
  background-color: #1e293b;
  box-shadow: none;
}

.btn-jewel-emerald {
  background: linear-gradient(135deg, #059669 0%, #047857 100%);
  border: 1px solid #047857;
  color: #ffffff !important;
  font-weight: 700;
  box-shadow: none;
  transition: var(--transition);
}

.btn-jewel-emerald svg {
  stroke: #ffffff;
  transition: transform 0.2s ease;
}

.btn-jewel-emerald:hover {
  background: linear-gradient(135deg, #047857 0%, #064e3b 100%);
  border-color: #064e3b;
  color: #ffffff !important;
}

.btn-jewel-emerald:hover svg {
  transform: translateX(2px) translateY(-2px);
}

.btn-outline {
  background-color: #ffffff;
  color: var(--text-body);
  border-color: var(--border-light);
}

.btn-outline:hover {
  background-color: var(--bg-header);
  border-color: var(--border-dark);
  color: var(--text-main);
}

.btn-hero-emerald {
  background-color: #ffffff;
  color: var(--jewel-emerald-border);
  border: 1.5px solid var(--jewel-emerald-border);
  font-weight: 700;
}

.btn-hero-emerald svg {
  stroke: var(--jewel-emerald-border);
  transition: transform 0.2s ease;
}

.btn-hero-emerald:hover {
  background-color: var(--jewel-emerald-bg);
  border-color: var(--jewel-emerald-deep);
  color: var(--jewel-emerald-deep);
}

.btn-hero-emerald:hover svg {
  stroke: var(--jewel-emerald-deep);
}

.btn-hero-sapphire {
  background-color: #ffffff;
  color: var(--jewel-sapphire-border);
  border: 1.5px solid var(--jewel-sapphire-border);
  font-weight: 700;
}

.btn-hero-sapphire svg {
  stroke: var(--jewel-sapphire-border);
  transition: transform 0.2s ease;
}

.btn-hero-sapphire:hover {
  background-color: var(--jewel-sapphire-bg);
  border-color: var(--jewel-sapphire-deep);
  color: var(--jewel-sapphire-deep);
}

.btn-hero-sapphire:hover svg {
  stroke: var(--jewel-sapphire-deep);
}

.btn-sm {
  font-size: 0.8125rem;
  padding: 0.45rem 0.85rem;
  border-radius: var(--radius-sm);
}

/* Hero Key Pillars / Highlights */
.hero-pillars {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
  padding-top: 2rem;
  border-top: 1px dashed var(--border-light);
  width: 100%;
  max-width: 820px;
}

.hero-pillar-item {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-body);
}

.pillar-bullet {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  flex-shrink: 0;
}

.bullet-emerald { background-color: var(--jewel-emerald-solid); }
.bullet-sapphire { background-color: var(--jewel-sapphire-solid); }
.bullet-amethyst { background-color: var(--jewel-amethyst-solid); }
.bullet-ruby { background-color: var(--jewel-ruby-solid); }
.bullet-topaz { background-color: var(--jewel-topaz-solid); }

/* ==========================================================================
   Jewel Tone Classes & Badges (Solid, Opaque, Non-Transparent)
   ========================================================================== */
.jewel-emerald, .pastel-mint {
  background-color: var(--jewel-emerald-solid);
  border-color: var(--jewel-emerald-deep);
  color: #ffffff;
}

.jewel-sapphire, .pastel-sky {
  background-color: var(--jewel-sapphire-solid);
  border-color: var(--jewel-sapphire-deep);
  color: #ffffff;
}

.jewel-amethyst, .pastel-lavender {
  background-color: var(--jewel-amethyst-solid);
  border-color: var(--jewel-amethyst-deep);
  color: #ffffff;
}

.jewel-ruby, .pastel-rose {
  background-color: var(--jewel-ruby-solid);
  border-color: var(--jewel-ruby-deep);
  color: #ffffff;
}

.jewel-topaz, .pastel-amber {
  background-color: var(--jewel-topaz-solid);
  border-color: var(--jewel-topaz-deep);
  color: #ffffff;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.28rem 0.75rem;
  border-radius: var(--radius-full);
  border: 1px solid transparent;
  letter-spacing: 0.02em;
  box-shadow: none;
  white-space: nowrap;
}

/* ==========================================================================
   Projects Showcase Section (Distinct Horizontal Cards)
   ========================================================================== */
.filter-tabs {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  margin-bottom: 2.5rem;
  flex-wrap: wrap;
}

.filter-btn {
  font-size: 0.875rem;
  font-weight: 600;
  padding: 0.55rem 1.25rem;
  border-radius: var(--radius-full);
  background: #ffffff;
  cursor: pointer;
  transition: color 0.22s ease, background-color 0.22s ease, border-color 0.22s ease, transform 0.15s ease, box-shadow 0.22s ease;
  user-select: none;
}

.filter-btn:active {
  transform: scale(0.97);
}

/* 'All Projects' Filter Button - Grey Border */
.filter-btn[data-filter="all"] {
  border: 1.5px solid #94a3b8;
  color: #334155;
}

.filter-btn[data-filter="all"]:hover {
  background: #f1f5f9;
  border-color: #64748b;
  color: #0f172a;
}

.filter-btn[data-filter="all"].active {
  background: #334155;
  color: #ffffff;
  border-color: #1e293b;
  box-shadow: none;
}

/* 'WordPress Plugins' Filter Button - Blue Border */
.filter-btn[data-filter="wordpress"] {
  border: 1.5px solid #2563eb;
  color: #1e40af;
}

.filter-btn[data-filter="wordpress"]:hover {
  background: var(--jewel-sapphire-bg);
  border-color: #1d4ed8;
  color: #1e40af;
}

.filter-btn[data-filter="wordpress"].active {
  background: var(--jewel-sapphire-solid);
  color: #ffffff;
  border-color: var(--jewel-sapphire-deep);
  box-shadow: none;
}

/* 'Desktop Applications' Filter Button - Green Border */
.filter-btn[data-filter="desktop"] {
  border: 1.5px solid #059669;
  color: #065f46;
}

.filter-btn[data-filter="desktop"]:hover {
  background: var(--jewel-emerald-bg);
  border-color: #047857;
  color: #064e3b;
}

.filter-btn[data-filter="desktop"].active {
  background: var(--jewel-emerald-solid);
  color: #ffffff;
  border-color: var(--jewel-emerald-deep);
  box-shadow: none;
}

/* Horizontal Projects Layout */
.projects-list-horizontal {
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
  transition: opacity 0.2s cubic-bezier(0.16, 1, 0.3, 1), transform 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

.project-card-horizontal {
  display: grid;
  grid-template-columns: 88px 1fr 220px;
  align-items: start;
  gap: 2rem;
  padding: 2rem 2.25rem;
  background: #f1f5f9;
  border: 1px solid var(--border-light);
  border-left: 5px solid var(--card-accent, var(--jewel-sapphire-solid));
  border-radius: var(--radius-md);
  box-shadow: none;
  transition: opacity 0.28s cubic-bezier(0.16, 1, 0.3, 1), transform 0.28s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.2s ease, border-left-color 0.2s ease;
  position: relative;
  will-change: opacity, transform;
}

.project-card-horizontal:hover {
  
  border-color: var(--border-dark);
  border-left-color: var(--card-accent, var(--jewel-sapphire-accent));
  box-shadow: none;
}

.project-card-horizontal[data-accent="jewel-ruby"] {
  --card-accent: var(--jewel-ruby-solid);
}
.project-card-horizontal[data-accent="jewel-emerald"] {
  --card-accent: var(--jewel-emerald-solid);
}
.project-card-horizontal[data-accent="jewel-sapphire"] {
  --card-accent: var(--jewel-sapphire-solid);
}

/* Category-based card accent & background: WordPress=Blue, Desktop=Green */
.project-card-horizontal[data-category="wordpress"] {
  --card-accent: var(--jewel-sapphire-solid);
  background-color: #f8fafc;
  background-image:
    radial-gradient(circle 500px at 0% 10%, rgba(30, 64, 175, 0.15) 0%, transparent 65%),
    radial-gradient(circle 400px at 100% 90%, rgba(37, 99, 235, 0.11) 0%, transparent 60%),
    linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
  border: 1px solid var(--border-light);
  border-left: 5px solid var(--jewel-sapphire-solid);
}

.project-card-horizontal[data-category="wordpress"]:hover {
  border-color: var(--jewel-sapphire-solid);
  border-left: 5px solid var(--jewel-sapphire-solid);
  background-image:
    radial-gradient(circle 500px at 0% 10%, rgba(30, 64, 175, 0.22) 0%, transparent 65%),
    radial-gradient(circle 400px at 100% 90%, rgba(37, 99, 235, 0.16) 0%, transparent 60%),
    linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
  box-shadow: 0 6px 20px rgba(30, 64, 175, 0.14);
}

.project-card-horizontal[data-category="desktop"] {
  --card-accent: var(--jewel-emerald-solid);
  background-color: #f8fafc;
  background-image:
    radial-gradient(circle 500px at 0% 10%, rgba(6, 95, 70, 0.15) 0%, transparent 65%),
    radial-gradient(circle 400px at 100% 90%, rgba(5, 150, 105, 0.11) 0%, transparent 60%),
    linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
  border: 1px solid var(--border-light);
  border-left: 5px solid var(--jewel-emerald-solid);
}

.project-card-horizontal[data-category="desktop"]:hover {
  border-color: var(--jewel-emerald-solid);
  border-left: 5px solid var(--jewel-emerald-solid);
  background-image:
    radial-gradient(circle 500px at 0% 10%, rgba(6, 95, 70, 0.22) 0%, transparent 65%),
    radial-gradient(circle 400px at 100% 90%, rgba(5, 150, 105, 0.16) 0%, transparent 60%),
    linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
  box-shadow: 0 6px 20px rgba(6, 95, 70, 0.14);
}

.project-col-icon {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.65rem;
  flex-shrink: 0;
}

.project-icon-horizontal {
  width: 5.25rem;
  height: 5.25rem;
  border-radius: 12px;
  background: #ffffff;
  border: 1px solid var(--border-light);
  padding: 0.65rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: var(--transition);
  box-shadow: none;
}

.project-card-horizontal:hover .project-icon-horizontal {
  
  border-color: #cbd5e1;
}

.project-icon-horizontal img,
.project-icon-horizontal svg {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.project-cat-pill {
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #334155;
  text-align: center;
  line-height: 1.2;
}

.project-col-info {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.project-heading-row {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  flex-wrap: wrap;
  margin-bottom: 0.35rem;
}

.project-heading-row .project-title {
  margin-bottom: 0;
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.015em;
}

.project-heading-row .project-title a {
  color: var(--text-main);
  transition: var(--transition);
}

.project-heading-row .project-title a:hover {
  color: var(--card-accent, var(--jewel-sapphire-accent));
}

.project-col-info .project-subtitle {
  font-size: 0.875rem;
  font-weight: 600;
  color: #475569;
  line-height: 1.4;
  margin-bottom: 0.6rem;
}

.project-col-info .project-desc-compact {
  font-size: 0.925rem;
  line-height: 1.6;
  color: var(--text-body);
  margin-bottom: 0.85rem;
}

.project-key-highlights {
  list-style: none;
  padding: 0;
  margin: 0 0 1rem 0;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.project-key-highlights li {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  font-size: 0.8125rem;
  color: #475569;
  line-height: 1.5;
}

.project-key-highlights .highlight-check {
  flex-shrink: 0;
  margin-top: 3px;
  stroke: var(--card-accent, var(--jewel-sapphire-solid));
}

.project-col-info .tech-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 0;
}

.tech-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 1.25rem;
}

.tech-pill {
  font-size: 0.75rem;
  font-weight: 600;
  color: #1e293b;
  background-color: #ffffff;
  border: 1px solid var(--border-light);
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.tech-pill:hover {
  border-color: var(--border-dark);
  color: var(--text-main);
}

.project-col-actions {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  align-items: stretch;
  flex-shrink: 0;
  padding-left: 1.75rem;
  border-left: 1px solid var(--border-light);
  height: 100%;
  justify-content: flex-start;
}

.project-col-actions .btn-detail {
  justify-content: center;
  padding: 0.7rem 1.25rem;
  font-size: 0.875rem;
  font-weight: 700;
  background-color: var(--card-accent, var(--jewel-sapphire-solid));
  color: #ffffff !important;
  border: 1px solid var(--card-accent, var(--jewel-sapphire-solid));
  border-radius: var(--radius-sm);
  box-shadow: none;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  transition: var(--transition);
}

.project-col-actions .btn-detail svg {
  stroke: #ffffff;
  transition: transform 0.2s ease;
}

.project-col-actions .btn-detail:hover {
  filter: brightness(1.15);
  
  box-shadow: none;
}

.project-col-actions .btn-detail:hover svg {
  
}

.project-secondary-links {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.project-secondary-links .project-link-btn {
  flex: 1;
  justify-content: center;
  font-size: 0.775rem;
  font-weight: 600;
  padding: 0.5rem 0.65rem;
  white-space: nowrap;
  background: #ffffff;
  color: var(--text-main);
  border: 1px solid #cbd5e1;
  border-radius: var(--radius-sm);
  box-shadow: none;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  transition: var(--transition);
}

.project-secondary-links .project-link-btn:hover {
  background: #0f172a;
  color: #ffffff;
  border-color: #0f172a;
  
}

.project-secondary-links .project-link-btn.btn-wp:hover {
  background: #0073aa;
  border-color: #0073aa;
  color: #ffffff;
}

.project-secondary-links .project-link-btn.btn-web:hover {
  background: #065f46;
  border-color: #065f46;
  color: #ffffff;
}

/* Standalone project-card rule only when not horizontal */
.projects-grid .project-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  box-shadow: none;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  position: relative;
}

.projects-grid .project-card:hover {
  
  border-color: var(--border-dark);
  box-shadow: none;
}

/* Extensibility Notice Box */
.future-card {
  margin-top: 2rem;
  background: #f8fafc;
  border: 1px dashed var(--border-dark);
  border-radius: var(--radius-md);
  padding: 1.5rem 1.75rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.future-info h3,
.future-info h4 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 0.25rem;
}

.future-info p {
  font-size: 0.875rem;
  color: var(--text-muted);
}

/* ==========================================================================
   Project Detail Page Styles (/aystat-detect-hidden, /aystat-honeypot-admin, /asd-note-maker)
   ========================================================================== */
.breadcrumb-bar {
  padding: 1.5rem 0 1rem 0;
}

.breadcrumb-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-muted);
  padding: 0.35rem 0.75rem;
  background: var(--bg-header);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-full);
  transition: var(--transition);
}

.breadcrumb-link:hover {
  color: var(--text-main);
  border-color: var(--border-dark);
}

.detail-hero {
  padding: 2.5rem 0 3.5rem 0;
}

.detail-hero-grid {
  display: grid;
  grid-template-columns: 1.35fr 0.85fr;
  gap: 3rem;
  align-items: center;
}

.detail-title {
  font-size: 2.5rem;
  font-weight: 800;
  line-height: 1.2;
  color: var(--text-main);
  letter-spacing: -0.025em;
  margin-bottom: 0.75rem;
}

.detail-lead {
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--text-body);
  margin-bottom: 2rem;
}

.detail-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

/* Feature Grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.feature-box {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  box-shadow: none;
  transition: var(--transition);
}

.feature-box:hover {
  
  border-color: var(--border-dark);
  box-shadow: none;
}

.feature-icon-wrap {
  width: 2.75rem;
  height: 2.75rem;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
  color: #ffffff;
}

.feature-icon-wrap.jewel-sapphire { background-color: var(--jewel-sapphire-solid); }
.feature-icon-wrap.jewel-emerald { background-color: var(--jewel-emerald-solid); }
.feature-icon-wrap.jewel-ruby { background-color: var(--jewel-ruby-solid); }
.feature-icon-wrap.jewel-amethyst { background-color: var(--jewel-amethyst-solid); }
.feature-icon-wrap.jewel-topaz { background-color: var(--jewel-topaz-solid); }

.feature-title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 0.5rem;
}

.feature-desc {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* Architecture Split */
.arch-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.arch-points {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.arch-point-item {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
}

.arch-point-icon {
  width: 1.75rem;
  height: 1.75rem;
  border-radius: 50%;
  background: var(--jewel-sapphire-solid);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 0.2rem;
  font-size: 0.8125rem;
  font-weight: 700;
}

.arch-point-text h5 {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 0.25rem;
}

.arch-point-text p {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* Specs Table */
.specs-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: none;
}

.specs-table th,
.specs-table td {
  padding: 1rem 1.25rem;
  text-align: left;
  border-bottom: 1px solid var(--border-light);
  font-size: 0.875rem;
}

.specs-table tr:last-child th,
.specs-table tr:last-child td {
  border-bottom: none;
}

.specs-table th {
  width: 35%;
  font-weight: 600;
  color: var(--text-main);
  background-color: var(--bg-header);
}

.specs-table td {
  color: var(--text-body);
}

/* Screenshot Galleries */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.75rem;
}

.gallery-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: none;
  transition: var(--transition);
}

.gallery-card:hover {
  
  border-color: var(--border-dark);
  box-shadow: none;
}

.gallery-img-wrap {
  width: 100%;
  background: #0f172a;
  border-bottom: 1px solid var(--border-light);
  overflow: hidden;
}

.gallery-img-wrap img {
  width: 100%;
  height: auto;
  display: block;
  transition: var(--transition);
}



.gallery-caption {
  padding: 1rem 1.25rem;
}

.gallery-caption h5 {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 0.25rem;
}

.gallery-caption p {
  font-size: 0.8125rem;
  color: var(--text-muted);
  line-height: 1.4;
}

/* Hero Aside Card in detail pages */
.hero-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: none;
  position: relative;
  overflow: hidden;
}

.hero-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--jewel-sapphire-solid), var(--jewel-emerald-solid), var(--jewel-amethyst-solid));
}

.hero-stat-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.stat-box {
  background: var(--bg-header);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  padding: 1rem;
}

.stat-number {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.2;
}

.stat-label {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: 0.25rem;
}

/* ==========================================================================
   Contact Section
   ========================================================================== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 3.5rem;
}

.contact-info-col {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.contact-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  transition: var(--transition);
}

.contact-card:hover {
  border-color: var(--border-dark);
  box-shadow: none;
}

.contact-card-icon {
  width: 2.75rem;
  height: 2.75rem;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: #ffffff;
  box-shadow: none;
}

.contact-card-icon.jewel-sapphire { background-color: var(--jewel-sapphire-solid); }
.contact-card-icon.jewel-emerald { background-color: var(--jewel-emerald-solid); }
.contact-card-icon.jewel-amethyst { background-color: var(--jewel-amethyst-solid); }
.contact-card-icon.jewel-ruby { background-color: var(--jewel-ruby-solid); }

.contact-card-content h3,
.contact-card-content h4 {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 0.25rem;
}

.contact-card-content p {
  font-size: 0.875rem;
  color: #475569;
  margin-bottom: 0.5rem;
}

.contact-action-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.contact-link {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--jewel-sapphire-solid);
  word-break: break-all;
}

.contact-link:hover {
  text-decoration: underline;
}

.copy-btn {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-light);
  padding: 0.2rem;
  border-radius: 4px;
  transition: var(--transition);
}

.copy-btn:hover {
  color: var(--text-main);
}

/* Contact Form Container */
.contact-form-wrap {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: none;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 0.4rem;
}

.form-control {
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: 0.9375rem;
  color: var(--text-main);
  background: var(--bg-header);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.form-control:focus {
  outline: none;
  background: #ffffff;
  border-color: var(--jewel-sapphire-accent);
  
}

textarea.form-control {
  resize: vertical;
  min-height: 120px;
}

/* Form Validation States */
.form-control.is-invalid {
  border-color: var(--jewel-ruby-solid) !important;
  background-color: var(--jewel-ruby-bg);
}

.field-error {
  display: block;
  font-size: 0.8125rem;
  color: var(--jewel-ruby-solid);
  margin-top: 0.35rem;
  font-weight: 500;
}

/* Alert States */
.alert {
  padding: 1rem 1.25rem;
  border-radius: var(--radius-sm);
  margin-bottom: 1.5rem;
  font-size: 0.875rem;
  line-height: 1.5;
  display: none;
}

.alert.show {
  display: flex !important;
  align-items: center;
  gap: 0.75rem;
}

.alert-success {
  background-color: var(--jewel-emerald-bg);
  border: 1px solid var(--jewel-emerald-border);
  color: var(--jewel-emerald-deep);
}

.alert-error {
  background-color: var(--jewel-ruby-bg);
  border: 1px solid var(--jewel-ruby-border);
  color: var(--jewel-ruby-deep);
}

/* Anti-spam field */
.honey-field {
  display: none !important;
  visibility: hidden;
}

/* ==========================================================================
   Footer (Refined Dark Studio Footer)
   ========================================================================== */
.site-footer {
  background-color: #0b1120;
  border-top: 1px solid #1e293b;
  padding: 4.5rem 0 2.5rem 0;
  color: #94a3b8;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1.2fr;
  gap: 3.5rem;
  margin-bottom: 3.5rem;
}

.footer-col-brand .footer-brand-link {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  margin-bottom: 1rem;
}

.footer-col-brand .brand-title {
  color: #ffffff;
  font-size: 1.35rem;
  font-weight: 700;
}

.footer-bio {
  font-size: 0.875rem;
  color: #94a3b8;
  line-height: 1.65;
  margin-bottom: 1.25rem;
}

.footer-live-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  font-weight: 600;
  color: #34d399;
  background: rgba(6, 78, 59, 0.4);
  border: 1px solid #065f46;
  padding: 0.3rem 0.75rem;
  border-radius: var(--radius-full);
}

.footer-col-title {
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #ffffff;
  margin-bottom: 1.25rem;
}

.footer-nav-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.footer-item-link {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  text-decoration: none;
  transition: var(--transition);
}

.footer-item-link .footer-link-title {
  font-size: 0.875rem;
  font-weight: 600;
  color: #f1f5f9;
  transition: var(--transition);
}

.footer-item-link:hover .footer-link-title {
  color: #38bdf8;
  
}

.footer-link-badge {
  display: inline-block;
  width: fit-content;
  font-size: 0.6875rem;
  font-weight: 700;
  padding: 0.15rem 0.45rem;
  border-radius: 4px;
  color: #ffffff;
  letter-spacing: 0.02em;
}

.badge-ruby { background: #9f1239; }
.badge-emerald { background: #065f46; }
.badge-sapphire { background: #1e40af; }

.simple-links li a {
  font-size: 0.875rem;
  color: #94a3b8;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: var(--transition);
  text-decoration: none;
}

.simple-links li a:hover {
  color: #ffffff;
  
}

.footer-email-link {
  color: #38bdf8 !important;
  word-break: break-all;
}

.footer-email-link:hover {
  text-decoration: underline;
}

.footer-icon-link svg {
  flex-shrink: 0;
  color: #cbd5e1;
}

.footer-bottom {
  border-top: 1px solid #1e293b;
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8125rem;
  color: #94a3b8;
  flex-wrap: wrap;
  gap: 1rem;
}

.back-to-top {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.8125rem;
  font-weight: 600;
  color: #cbd5e1;
  background: #1e293b;
  border: 1px solid #334155;
  padding: 0.45rem 0.95rem;
  border-radius: var(--radius-full);
  transition: var(--transition);
  text-decoration: none;
}

.back-to-top:hover {
  background: var(--jewel-sapphire-solid);
  border-color: var(--jewel-sapphire-accent);
  color: #ffffff;
  
  box-shadow: none;
}

.back-to-top svg {
  stroke: currentColor;
  transition: transform 0.2s ease;
}

.back-to-top:hover svg {
  
}

/* ==========================================================================
   Responsive Breakpoints & Fine-tuned Adaptability
   ========================================================================== */

/* Large Tablets & Small Desktops (max-width: 992px) */
@media (max-width: 992px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  
  .hero-code-editor {
    max-width: 640px;
    margin: 0 auto;
  }

  .project-card-horizontal {
    grid-template-columns: 76px 1fr;
    gap: 1.5rem;
    padding: 1.75rem;
  }

  .project-icon-horizontal {
    width: 4.5rem;
    height: 4.5rem;
  }

  .project-col-actions {
    grid-column: 1 / -1;
    border-left: none;
    border-top: 1px solid var(--border-light);
    padding-left: 0;
    padding-top: 1.25rem;
    flex-direction: row;
    align-items: center;
    flex-wrap: wrap;
  }

  .project-col-actions .btn-detail {
    flex: 1;
    min-width: 160px;
  }

  .project-secondary-links {
    flex: 1;
    min-width: 200px;
  }

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

  .arch-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .detail-hero-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .gallery-grid {
    grid-template-columns: 1fr;
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 2.5rem;
  }
}

/* Mobile & Standard Tablets (max-width: 768px) */
@media (max-width: 768px) {
  .section {
    padding: 3.5rem 0;
  }

  .header-inner {
    height: 3.75rem;
  }

  .mobile-toggle {
    display: inline-flex;
  }

  /* Off-canvas / Dropdown Menu on Mobile */
  .nav-wrap {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--bg-header);
    border-bottom: 1px solid var(--border-light);
    box-shadow: none;
    flex-direction: column;
    align-items: stretch;
    padding: 1.25rem 1.5rem 1.75rem 1.5rem;
    gap: 1rem;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s;
    z-index: 99;
  }

  .nav-wrap.open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .nav-menu {
    flex-direction: column;
    align-items: stretch;
    gap: 0.35rem;
  }

  .nav-link {
    display: block;
    padding: 0.75rem 1rem;
    border-radius: var(--radius-sm);
    font-size: 1rem;
    font-weight: 600;
  }

  .nav-link:hover,
  .nav-link.active {
    background-color: #ffffff;
    color: var(--jewel-sapphire-accent);
  }

  .nav-link::after {
    display: none;
  }

  .header-contact-btn {
    width: 100%;
    justify-content: center;
    padding: 0.75rem;
    font-size: 0.9375rem;
    margin-top: 0.5rem;
  }

  .hero {
    padding: 3.5rem 0 3rem 0;
  }

  .hero-title {
    font-size: 2.25rem;
  }

  .hero-desc {
    font-size: 1.05rem;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

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

  .features-grid {
    grid-template-columns: 1fr;
  }

  .contact-form-wrap {
    padding: 1.75rem 1.25rem;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .future-card {
    flex-direction: column;
    align-items: flex-start;
  }

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

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

/* Small Smartphone Devices (max-width: 640px) */
@media (max-width: 640px) {
  /* Mobile Swiper for Project Tabs */
  .filter-tabs {
    display: flex;
    justify-content: flex-start;
    align-items: center;
    flex-wrap: nowrap;
    overflow-x: auto;
    overflow-y: hidden;
    -webkit-overflow-scrolling: touch;
    scroll-snap-type: x proximity;
    gap: 0.65rem;
    padding: 0.35rem 1.25rem 0.75rem 1.25rem;
    margin-left: -1.25rem;
    margin-right: -1.25rem;
    scrollbar-width: none;
    -ms-overflow-style: none;
    cursor: grab;
  }

  .filter-tabs::-webkit-scrollbar {
    display: none;
  }

  .filter-tabs.is-dragging {
    cursor: grabbing;
    user-select: none;
  }

  .filter-btn {
    flex: 0 0 auto;
    white-space: nowrap;
    scroll-snap-align: center;
    font-size: 0.8125rem;
    padding: 0.45rem 1rem;
  }

  .project-card-horizontal {
    grid-template-columns: 1fr;
    gap: 1.25rem;
    padding: 1.5rem 1.25rem;
  }

  .project-col-icon {
    flex-direction: row;
    align-items: center;
    justify-content: flex-start;
    gap: 1rem;
  }

  .project-icon-horizontal {
    width: 3.75rem;
    height: 3.75rem;
  }

  .project-col-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .project-secondary-links {
    flex-direction: column;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

/* Extra Small Devices (max-width: 480px) */
@media (max-width: 480px) {
  .container {
    padding-left: 1rem;
    padding-right: 1rem;
  }

  .hero-title {
    font-size: 1.85rem;
  }

  .section-title {
    font-size: 1.75rem;
  }

  .detail-title {
    font-size: 2rem;
  }

  .filter-tabs {
    gap: 0.5rem;
    padding-left: 1rem;
    padding-right: 1rem;
    margin-left: -1rem;
    margin-right: -1rem;
  }

  .filter-btn {
    font-size: 0.8125rem;
    padding: 0.4rem 0.9rem;
  }

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