/* ============================================================
   PORTFOLIO — GLOBAL STYLESHEET
   Base: dark theme, indigo/violet accent
   Fonts: Plus Jakarta Sans (headings) + Inter (body)
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&family=Inter:wght@300;400;500;600&family=JetBrains+Mono:wght@400;500&display=swap');

/* ── RESET ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
img, svg { display: block; max-width: 100%; }
button, input, select, textarea { font: inherit; }
a { text-decoration: none; color: inherit; }
ul, ol { list-style: none; }

/* ── TOKENS ── */
:root {
  /* Colors */
  --primary:        #6366f1;
  --primary-dark:   #4f46e5;
  --primary-light:  #818cf8;
  --secondary:      #8b5cf6;
  --secondary-dark: #7c3aed;

  --dark:           #080c14;
  --dark-1:         #0d1117;
  --dark-2:         #111827;
  --dark-3:         #1a2235;
  --dark-4:         #1e2d45;

  --text:           #f1f5f9;
  --text-2:         #94a3b8;
  --text-3:         #64748b;

  --border:         rgba(255,255,255,0.06);
  --border-2:       rgba(255,255,255,0.1);
  --border-hover:   rgba(99,102,241,0.4);

  --success:        #10b981;
  --danger:         #ef4444;
  --accent:         #f59e0b;

  /* Gradients */
  --grad-primary:   linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
  --grad-dark:      linear-gradient(135deg, #0d1117 0%, #1a2235 100%);
  --grad-card:      linear-gradient(145deg, #111827 0%, #1a2235 100%);
  --grad-glow:      radial-gradient(ellipse at top, rgba(99,102,241,0.12) 0%, transparent 70%);

  /* Typography */
  --font-head: 'Plus Jakarta Sans', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Spacing */
  --space-xs:  0.25rem;
  --space-sm:  0.5rem;
  --space-md:  1rem;
  --space-lg:  1.5rem;
  --space-xl:  2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;

  /* Radius */
  --radius-sm:  6px;
  --radius-md:  10px;
  --radius-lg:  16px;
  --radius-xl:  24px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm:  0 1px 3px rgba(0,0,0,0.3);
  --shadow-md:  0 4px 16px rgba(0,0,0,0.35);
  --shadow-lg:  0 12px 40px rgba(0,0,0,0.45);
  --shadow-glow: 0 0 40px rgba(99,102,241,0.2);
  --shadow-card: 0 4px 24px rgba(0,0,0,0.4), inset 0 1px 0 rgba(255,255,255,0.04);

  /* Transitions */
  --ease:     cubic-bezier(0.4, 0, 0.2, 1);
  --ease-out: cubic-bezier(0, 0, 0.2, 1);
  --duration: 0.25s;
}

/* ── BASE ── */
body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  color: var(--text);
  background: var(--dark-1);
  background-image: var(--grad-glow);
  background-attachment: fixed;
  overflow-x: hidden;
}

/* Scrollbar */
::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: var(--dark-1); }
::-webkit-scrollbar-thumb { background: var(--primary); border-radius: var(--radius-full); }

/* Selection */
::selection { background: rgba(99,102,241,0.3); color: white; }

/* ── TYPOGRAPHY ── */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-head);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--text);
}

h1 { font-size: clamp(2.2rem, 5vw, 3.8rem); font-weight: 800; }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.8rem); }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.5rem); font-weight: 600; }
h4 { font-size: 1.1rem; font-weight: 600; }

p { color: var(--text-2); line-height: 1.8; }

.text-gradient {
  background: var(--grad-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.text-muted { color: var(--text-3); }
.text-accent { color: var(--primary-light); }

code, .mono {
  font-family: var(--font-mono);
  font-size: 0.85em;
  background: rgba(99,102,241,0.1);
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  color: var(--primary-light);
}

/* ── LAYOUT ── */
.container {
  width: 100%;
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 var(--space-xl);
}

.container--wide { max-width: 1400px; }
.container--narrow { max-width: 760px; }

section { position: relative; }

.section-pad { padding: var(--space-4xl) 0; }
.section-pad--sm { padding: var(--space-3xl) 0; }

/* Section header */
.section-header { margin-bottom: var(--space-3xl); }
.section-header--center { text-align: center; }
.section-header--center .section-desc { margin: var(--space-md) auto 0; }

.section-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--primary-light);
  margin-bottom: var(--space-sm);
  display: block;
}

.section-desc {
  margin-top: var(--space-md);
  max-width: 560px;
  font-size: 1.05rem;
  color: var(--text-2);
}

/* Grid utilities */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-xl); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-xl); }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-lg); }
.grid-auto { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: var(--space-xl); }

/* Flex utilities */
.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }
.gap-lg { gap: var(--space-lg); }

/* ── NAV ── */
nav {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(8, 12, 20, 0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: background var(--duration) var(--ease),
              box-shadow var(--duration) var(--ease);
}

nav.scrolled {
  background: rgba(8, 12, 20, 0.97);
  box-shadow: 0 1px 0 var(--border-2), var(--shadow-md);
}

.nav-container {
  max-width: 1160px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-xl);
  height: 68px;
}

.logo {
  font-family: var(--font-head);
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text);
  transition: color var(--duration);
}

.logo span { color: var(--primary-light); }
.logo:hover { color: var(--primary-light); }

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
}

.nav-links a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-2);
  position: relative;
  padding-bottom: 2px;
  transition: color var(--duration) var(--ease);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1.5px;
  background: var(--grad-primary);
  border-radius: var(--radius-full);
  transition: width var(--duration) var(--ease);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text);
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

.nav-cta {
  padding: 8px 20px;
  background: var(--grad-primary);
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  color: white !important;
  transition: opacity var(--duration), transform var(--duration) !important;
  box-shadow: 0 4px 15px rgba(99,102,241,0.3);
}

.nav-cta::after { display: none !important; }
.nav-cta:hover { opacity: 0.9; transform: translateY(-1px); }

/* Mobile menu toggle */
.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  width: 36px;
  height: 36px;
}

.menu-toggle span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--text-2);
  border-radius: var(--radius-full);
  transition: all var(--duration) var(--ease);
}

/* ── BUTTONS ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 12px 28px;
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: all var(--duration) var(--ease);
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--grad-primary);
  color: white;
  box-shadow: 0 4px 20px rgba(99,102,241,0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(99,102,241,0.5);
}

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

.btn-secondary {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border-2);
}

.btn-secondary:hover {
  border-color: var(--primary);
  color: var(--primary-light);
  background: rgba(99,102,241,0.06);
}

.btn-ghost {
  background: rgba(255,255,255,0.04);
  color: var(--text-2);
  border: 1px solid var(--border);
}

.btn-ghost:hover {
  background: rgba(255,255,255,0.08);
  color: var(--text);
}

.btn-sm { padding: 8px 18px; font-size: 0.82rem; }
.btn-lg { padding: 15px 36px; font-size: 1rem; }
.btn-full { width: 100%; }

.btn-icon {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.btn-icon svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

/* ── CARDS ── */
.card {
  background: var(--grad-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform var(--duration) var(--ease),
              border-color var(--duration) var(--ease),
              box-shadow var(--duration) var(--ease);
  box-shadow: var(--shadow-card);
}

.card:hover {
  transform: translateY(-6px);
  border-color: var(--border-hover);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.card-pad { padding: var(--space-xl); }
.card-pad--lg { padding: var(--space-2xl); }

/* Project card */
.project-card {
  background: var(--grad-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--duration) var(--ease);
  box-shadow: var(--shadow-card);
  cursor: pointer;
}

.project-card:hover {
  transform: translateY(-8px);
  border-color: rgba(99,102,241,0.35);
  box-shadow: var(--shadow-lg), 0 0 30px rgba(99,102,241,0.12);
}

.project-image {
  width: 100%;
  height: 210px;
  overflow: hidden;
  background: var(--dark-3);
  position: relative;
}

.project-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s var(--ease);
}

.project-card:hover .project-image img {
  transform: scale(1.06);
}

.project-image-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--dark-3) 0%, var(--dark-4) 100%);
  border-bottom: 1px solid var(--border);
}

.project-image-placeholder svg {
  width: 48px;
  height: 48px;
  opacity: 0.2;
}

.project-content {
  padding: var(--space-lg);
}

.project-content h3 {
  font-size: 1.1rem;
  margin-bottom: var(--space-sm);
  color: var(--text);
}

.project-content p {
  font-size: 0.88rem;
  color: var(--text-2);
  line-height: 1.7;
  margin-bottom: var(--space-md);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Tags */
.tags { display: flex; flex-wrap: wrap; gap: 6px; }

.tag {
  padding: 3px 12px;
  background: rgba(99,102,241,0.1);
  color: var(--primary-light);
  border: 1px solid rgba(99,102,241,0.2);
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 500;
  font-family: var(--font-mono);
}

.tag--gray {
  background: rgba(255,255,255,0.04);
  color: var(--text-3);
  border-color: var(--border);
}

.tag--success {
  background: rgba(16,185,129,0.1);
  color: #34d399;
  border-color: rgba(16,185,129,0.2);
}

/* ── BADGES ── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.badge-primary {
  background: rgba(99,102,241,0.12);
  color: var(--primary-light);
  border: 1px solid rgba(99,102,241,0.25);
}

.badge-dot::before {
  content: '';
  width: 6px;
  height: 6px;
  background: currentColor;
  border-radius: 50%;
  animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}

/* ── DIVIDER ── */
.divider {
  border: none;
  height: 1px;
  background: var(--border);
  margin: var(--space-2xl) 0;
}

/* ── FORMS ── */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

label {
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text-2);
  letter-spacing: 0.02em;
}

input[type="text"],
input[type="email"],
input[type="tel"],
input[type="url"],
select,
textarea {
  width: 100%;
  padding: 11px 16px;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border-2);
  border-radius: var(--radius-md);
  color: var(--text);
  font-size: 0.9rem;
  outline: none;
  transition: border-color var(--duration) var(--ease),
              background var(--duration) var(--ease);
  -webkit-appearance: none;
}

input::placeholder, textarea::placeholder {
  color: var(--text-3);
}

input:focus, select:focus, textarea:focus {
  border-color: var(--primary);
  background: rgba(99,102,241,0.04);
}

select { cursor: pointer; }
select option { background: var(--dark-2); color: var(--text); }
textarea { resize: vertical; min-height: 120px; }

/* ── HERO ── */
.hero {
  min-height: calc(100vh - 68px);
  display: flex;
  align-items: center;
  padding: var(--space-4xl) 0;
  position: relative;
  overflow: hidden;
  background: var(--dark-1);
}

/* Ambient glow blobs */
.hero-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  pointer-events: none;
}

.hero-blob-1 {
  width: 600px; height: 600px;
  background: rgba(99,102,241,0.07);
  top: -200px; left: -150px;
}

.hero-blob-2 {
  width: 500px; height: 500px;
  background: rgba(139,92,246,0.05);
  bottom: -150px; right: -100px;
}

/* Grid line decoration */
.hero-grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(99,102,241,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(99,102,241,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
}

.hero-content {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 var(--space-xl);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4xl);
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-text h1 { margin-bottom: var(--space-lg); }

.hero-text p {
  font-size: 1.1rem;
  margin-bottom: var(--space-2xl);
  max-width: 480px;
}

.hero-buttons {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
}

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

/* Floating stats card */
.hero-stat {
  position: absolute;
  background: rgba(17,24,39,0.9);
  border: 1px solid var(--border-2);
  border-radius: var(--radius-md);
  padding: 12px 18px;
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow-lg);
}

.hero-stat--1 { bottom: 10%; left: -5%; }
.hero-stat--2 { top: 10%; right: -5%; }

.hero-stat-label {
  font-size: 0.72rem;
  font-family: var(--font-mono);
  color: var(--text-3);
  margin-bottom: 2px;
}

.hero-stat-value {
  font-size: 1rem;
  font-weight: 700;
  font-family: var(--font-head);
  color: var(--text);
}

.hero-stat-value span { color: var(--primary-light); }

/* ── PROJECT DETAIL ── */
.project-detail-hero {
  padding: var(--space-3xl) 0;
  background: var(--dark-2);
  border-bottom: 1px solid var(--border);
}

.project-meta {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
  flex-wrap: wrap;
}

.project-back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--text-2);
  font-size: 0.875rem;
  font-weight: 500;
  transition: color var(--duration);
}

.project-back:hover { color: var(--primary-light); }

.project-back svg { width: 14px; height: 14px; }

.result-highlight {
  background: rgba(16,185,129,0.08);
  border: 1px solid rgba(16,185,129,0.2);
  border-left: 3px solid #10b981;
  border-radius: var(--radius-md);
  padding: var(--space-md) var(--space-lg);
  color: #6ee7b7;
  font-size: 0.9rem;
  margin: var(--space-lg) 0;
}

/* ── ABOUT SKILLS ── */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--space-lg);
}

.skill-group {
  background: var(--grad-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  transition: border-color var(--duration);
}

.skill-group:hover { border-color: rgba(99,102,241,0.3); }

.skill-group-title {
  font-family: var(--font-head);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--primary-light);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-md);
  display: flex;
  align-items: center;
  gap: 8px;
}

.skill-group-title::before {
  content: '';
  width: 8px; height: 8px;
  background: var(--grad-primary);
  border-radius: 2px;
  flex-shrink: 0;
}

.skill-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.skill-item {
  font-size: 0.875rem;
  color: var(--text-2);
  display: flex;
  align-items: center;
  gap: 8px;
}

.skill-item::before {
  content: '';
  width: 4px; height: 4px;
  background: var(--primary);
  border-radius: 50%;
  flex-shrink: 0;
}

/* Stats row */
.stats-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: var(--space-md);
  margin: var(--space-2xl) 0;
}

.stat-item {
  text-align: center;
  padding: var(--space-lg);
  background: rgba(99,102,241,0.06);
  border: 1px solid rgba(99,102,241,0.12);
  border-radius: var(--radius-md);
}

.stat-number {
  font-family: var(--font-head);
  font-size: 2rem;
  font-weight: 800;
  background: var(--grad-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 4px;
}

.stat-label {
  font-size: 0.78rem;
  color: var(--text-3);
  font-weight: 500;
}

/* ── FILTER TABS ── */
.filter-tabs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: var(--space-2xl);
}

.filter-tab {
  padding: 8px 20px;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  border: 1px solid var(--border-2);
  color: var(--text-2);
  background: transparent;
  transition: all var(--duration) var(--ease);
}

.filter-tab:hover { color: var(--text); border-color: var(--primary); }

.filter-tab.active {
  background: var(--grad-primary);
  border-color: transparent;
  color: white;
  box-shadow: 0 4px 15px rgba(99,102,241,0.3);
}

/* ── CONTACT ── */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: var(--space-4xl);
  align-items: start;
}

.contact-info-item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md) 0;
  border-bottom: 1px solid var(--border);
}

.contact-info-item:last-child { border-bottom: none; }

.contact-icon {
  width: 40px; height: 40px;
  background: rgba(99,102,241,0.1);
  border: 1px solid rgba(99,102,241,0.2);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-icon svg { width: 16px; height: 16px; color: var(--primary-light); }

.contact-info-label {
  font-size: 0.75rem;
  color: var(--text-3);
  margin-bottom: 2px;
}

.contact-info-value {
  font-size: 0.9rem;
  color: var(--text);
  font-weight: 500;
}

/* ── FOOTER ── */
footer {
  background: var(--dark);
  border-top: 1px solid var(--border);
  padding: var(--space-3xl) 0 var(--space-xl);
}

.footer-inner {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 var(--space-xl);
}

.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--space-xl);
  padding-bottom: var(--space-xl);
  border-bottom: 1px solid var(--border);
  margin-bottom: var(--space-xl);
}

.footer-logo {
  font-family: var(--font-head);
  font-size: 1.1rem;
  font-weight: 800;
  margin-bottom: 8px;
}

.footer-tagline {
  font-size: 0.82rem;
  color: var(--text-3);
  max-width: 200px;
}

.footer-links {
  display: flex;
  gap: var(--space-xl);
}

.footer-links-group { display: flex; flex-direction: column; gap: 8px; }

.footer-links-title {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-3);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 4px;
}

.footer-links a {
  font-size: 0.85rem;
  color: var(--text-2);
  transition: color var(--duration);
}

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

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.footer-copy {
  font-size: 0.8rem;
  color: var(--text-3);
}

.footer-copy a { color: var(--primary-light); }

.social-links {
  display: flex;
  gap: var(--space-md);
  align-items: center;
}

.social-link {
  width: 36px; height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border-2);
  border-radius: var(--radius-md);
  color: var(--text-2);
  transition: all var(--duration) var(--ease);
}

.social-link svg { width: 16px; height: 16px; }

.social-link:hover {
  border-color: var(--primary);
  color: var(--primary-light);
  background: rgba(99,102,241,0.08);
}

/* ── FLASH MESSAGES ── */
.flash-messages {
  position: fixed;
  top: 80px;
  right: 20px;
  z-index: 999;
  max-width: 380px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.alert {
  padding: 14px 20px;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 500;
  border-left: 3px solid transparent;
  animation: slideIn 0.3s var(--ease-out);
  backdrop-filter: blur(12px);
}

.alert-success {
  background: rgba(16,185,129,0.12);
  border-color: var(--success);
  color: #6ee7b7;
}

.alert-danger {
  background: rgba(239,68,68,0.12);
  border-color: var(--danger);
  color: #fca5a5;
}

/* ── COOKIE BANNER ── */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 998;
  background: rgba(13,17,23,0.97);
  border-top: 1px solid var(--border-2);
  backdrop-filter: blur(20px);
  padding: var(--space-lg) var(--space-xl);
  transform: translateY(100%);
  transition: transform 0.4s var(--ease-out);
}

.cookie-banner.visible { transform: translateY(0); }

.cookie-inner {
  max-width: 1160px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-xl);
  flex-wrap: wrap;
}

.cookie-text { font-size: 0.85rem; color: var(--text-2); max-width: 600px; }
.cookie-text a { color: var(--primary-light); text-decoration: underline; }

.cookie-actions { display: flex; gap: var(--space-sm); flex-shrink: 0; }

/* ── ANIMATIONS ── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(28px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

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

.fade-up { animation: fadeUp 0.65s var(--ease-out) both; }
.fade-in { animation: fadeIn 0.65s var(--ease-out) both; }

.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }
.delay-4 { animation-delay: 0.4s; }
.delay-5 { animation-delay: 0.5s; }

/* Scroll-triggered reveal */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s var(--ease-out), transform 0.6s var(--ease-out);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── MAIN PADDING ── */
main { padding-top: 68px; min-height: calc(100vh - 68px); }

/* ── RESPONSIVE ── */
@media (max-width: 1024px) {
  .hero-content { gap: var(--space-2xl); }
  .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  :root { --space-4xl: 3.5rem; --space-3xl: 2.5rem; }

  .menu-toggle { display: flex; }

  .nav-links {
    position: absolute;
    top: 68px;
    left: 0;
    width: 100%;
    background: rgba(8,12,20,0.99);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    padding: var(--space-lg) var(--space-xl);
    gap: var(--space-lg);
    transform: translateX(-100%);
    transition: transform var(--duration) var(--ease);
  }

  .nav-links.active { transform: translateX(0); }

  .hero-content { grid-template-columns: 1fr; text-align: center; }
  .hero-visual { display: none; }
  .hero-buttons { justify-content: center; }
  .hero-text p { margin-left: auto; margin-right: auto; }

  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }

  .footer-top { flex-direction: column; }
  .footer-links { flex-direction: column; gap: var(--space-lg); }
  .footer-bottom { flex-direction: column; text-align: center; }

  .flash-messages { right: 10px; left: 10px; max-width: none; }
}

@media (max-width: 480px) {
  .container { padding: 0 var(--space-md); }
  .btn { padding: 11px 22px; }
  .hero-buttons { flex-direction: column; align-items: center; }
}