/* ================================================
   SIF-EDDINE LAIDI — PORTFOLIO PROFESSIONAL
   ================================================ */

:root {
  --bg: #0a0e1a;
  --bg-alt: #0f1424;
  --surface: #151b2e;
  --surface-2: #1c2540;
  --border: #243049;
  --text: #e8edf5;
  --text-muted: #8892a8;
  --accent: #22d3ee;
  --accent-strong: #06b6d4;
  --accent-glow: rgba(34, 211, 238, 0.12);
  --accent-glow-strong: rgba(34, 211, 238, 0.25);
  --danger: #f87171;
  --success: #34d399;
  --radius: 16px;
  --radius-sm: 10px;
  --max-width: 1100px;
  --shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.4);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font-main: 'Inter', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
}

[data-theme="light"] {
  --bg: #f8f9fc;
  --bg-alt: #f0f2f7;
  --surface: #ffffff;
  --surface-2: #eef1f6;
  --border: #d4dbe8;
  --text: #1a1f2e;
  --text-muted: #5a6478;
  --accent: #0891b2;
  --accent-strong: #0e7490;
  --accent-glow: rgba(8, 145, 178, 0.08);
  --accent-glow-strong: rgba(8, 145, 178, 0.15);
  --shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.1);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: var(--font-main);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

::selection {
  background: var(--accent);
  color: #04121a;
}

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

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

.container {
  width: min(100% - 2rem, var(--max-width));
  margin-inline: auto;
}

.accent {
  color: var(--accent);
}

/* ---------- Scrollbar ---------- */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg);
}

::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 99px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--accent);
}

/* ---------- Particles ---------- */
#particles {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  width: 100%;
  height: 100%;
}

/* ---------- Photo ---------- */
.about-photo {
  position: relative;
  width: min(200px, 100%);
  aspect-ratio: 1;
  margin: 0 auto 1.5rem;
  border-radius: 50%;
  overflow: hidden;
  border: 3px solid var(--accent);
  box-shadow: 0 0 0 6px var(--surface-2), 0 0 30px var(--accent-glow);
  background: var(--surface-2);
  transition: box-shadow var(--transition), transform var(--transition);
}

.about-photo:hover {
  box-shadow: 0 0 0 6px var(--surface-2), 0 0 50px var(--accent-glow-strong);
  transform: scale(1.03);
}

.photo-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.photo-fallback {
  display: none;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  font-size: 3rem;
  font-weight: 700;
  color: var(--accent);
  background: linear-gradient(135deg, var(--surface-2), var(--surface));
  user-select: none;
}

.about-photo.no-photo .photo-img { display: none; }
.about-photo.no-photo .photo-fallback { display: flex; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.8rem 1.6rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  font-family: var(--font-main);
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform var(--transition), background var(--transition),
    border-color var(--transition), box-shadow var(--transition), color var(--transition);
  position: relative;
  overflow: hidden;
}

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

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

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: #04121a;
  box-shadow: 0 6px 20px var(--accent-glow-strong);
}

.btn-primary:hover {
  box-shadow: 0 10px 30px var(--accent-glow-strong);
}

.btn-outline {
  border-color: var(--accent);
  color: var(--accent);
  background: transparent;
}

.btn-outline:hover {
  background: var(--accent-glow);
}

.btn-ghost {
  color: var(--text-muted);
  background: transparent;
}

.btn-ghost:hover {
  color: var(--text);
  border-color: var(--border);
}

.btn-block { width: 100%; }

.btn-small {
  padding: 0.5rem 1.1rem;
  font-size: 0.85rem;
}

/* ---------- Theme Toggle ---------- */
.theme-toggle {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--text-muted);
  transition: all var(--transition);
}

.theme-toggle:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-glow);
}

.icon-moon { display: none; }
[data-theme="light"] .icon-sun { display: none; }
[data-theme="light"] .icon-moon { display: block; }

/* ---------- Navbar ---------- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  background: rgba(10, 14, 26, 0.8);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
}

[data-theme="light"] .navbar {
  background: rgba(248, 249, 252, 0.85);
}

.navbar.scrolled {
  border-color: var(--border);
  box-shadow: var(--shadow);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  font-weight: 800;
  font-size: 1.35rem;
  color: var(--text);
  letter-spacing: -0.5px;
  font-family: var(--font-mono);
}

.logo .accent {
  color: var(--accent);
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 1.4rem;
}

.nav-link {
  color: var(--text-muted);
  font-weight: 500;
  font-size: 0.92rem;
  position: relative;
  transition: color var(--transition);
  padding: 0.3rem 0;
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 0;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
  transition: width var(--transition);
}

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

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

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}

.nav-toggle span {
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  padding: 7rem 0 4rem;
  overflow: hidden;
}

.hero-layout {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 3rem;
  width: 100%;
  padding-inline: clamp(2.5rem, 10vw, 7rem);
}

.hero::before {
  content: "";
  position: absolute;
  top: -15%;
  right: -5%;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--accent-glow-strong), transparent 70%);
  pointer-events: none;
  animation: pulse-glow 6s ease-in-out infinite alternate;
}

.hero::after {
  content: "";
  position: absolute;
  bottom: -20%;
  left: -5%;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--accent-glow), transparent 70%);
  pointer-events: none;
  animation: pulse-glow 8s ease-in-out infinite alternate-reverse;
}

@keyframes pulse-glow {
  from { opacity: 0.5; transform: scale(1); }
  to { opacity: 1; transform: scale(1.1); }
}

.hero-content {
  position: relative;
  z-index: 1;
  flex: 1;
  min-width: 0;
}

.hero-greeting {
  color: var(--accent);
  font-weight: 600;
  letter-spacing: 1.5px;
  font-size: 1.05rem;
  margin-bottom: 0.6rem;
  font-family: var(--font-mono);
  text-transform: uppercase;
  font-size: 0.9rem;
}

.hero-name {
  font-size: clamp(2.6rem, 7vw, 4.2rem);
  line-height: 1.1;
  letter-spacing: -1.5px;
  font-weight: 800;
}

.hero-title {
  font-size: clamp(1.2rem, 3vw, 1.8rem);
  font-weight: 500;
  color: var(--text-muted);
  margin: 0.8rem 0 1.4rem;
}

.hero-title .accent-typed {
  color: var(--text);
  border-right: 2px solid var(--accent);
  padding-right: 3px;
  font-family: var(--font-mono);
  font-weight: 700;
}

.hero-text {
  max-width: 560px;
  color: var(--text-muted);
  margin-bottom: 2.2rem;
  font-size: 1.05rem;
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-bottom: 2.5rem;
}

.hero-socials {
  display: flex;
  gap: 1rem;
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text-muted);
  transition: all var(--transition);
}

.social-link:hover {
  color: var(--accent);
  border-color: var(--accent);
  background: var(--accent-glow);
  transform: translateY(-3px);
  box-shadow: 0 8px 20px var(--accent-glow);
}

.hero-scroll-indicator {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
}

.scroll-mouse {
  display: block;
  width: 26px;
  height: 40px;
  border: 2px solid var(--border);
  border-radius: 13px;
  position: relative;
}

.scroll-dot {
  display: block;
  width: 4px;
  height: 8px;
  background: var(--accent);
  border-radius: 4px;
  position: absolute;
  top: 6px;
  left: 50%;
  transform: translateX(-50%);
  animation: scroll-dot 2s ease-in-out infinite;
}

@keyframes scroll-dot {
  0%, 100% { opacity: 1; transform: translateX(-50%) translateY(0); }
  50% { opacity: 0.3; transform: translateX(-50%) translateY(14px); }
}

/* ---------- Sections ---------- */
.section {
  padding: 6rem 0;
}

.section-alt {
  background: var(--bg-alt);
}

.section-tag {
  color: var(--accent);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2.5px;
  font-size: 0.8rem;
  font-family: var(--font-mono);
  margin-bottom: 0.6rem;
}

.section-title {
  font-size: clamp(1.7rem, 4vw, 2.5rem);
  margin-bottom: 3rem;
  letter-spacing: -0.5px;
  font-weight: 800;
}

.sub-title {
  font-size: 1.3rem;
  margin: 3rem 0 1.4rem;
  font-weight: 700;
}

/* ---------- About ---------- */
.about-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 3rem;
  align-items: start;
}

.about-text p {
  color: var(--text-muted);
  margin-bottom: 1.2rem;
  font-size: 1.02rem;
}

.about-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.8rem;
  box-shadow: var(--shadow);
  transition: border-color var(--transition);
}

.about-card:hover {
  border-color: var(--accent);
}

.about-info {
  list-style: none;
  margin-bottom: 1.6rem;
  display: grid;
  gap: 1rem;
}

.about-info li {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.95rem;
  padding-bottom: 0.8rem;
  border-bottom: 1px solid var(--border);
}

.about-info li:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.about-info span {
  color: var(--text-muted);
  flex-shrink: 0;
  font-size: 0.88rem;
}

.about-info strong {
  font-weight: 600;
  text-align: right;
}

/* ---------- Timeline ---------- */
.timeline {
  position: relative;
  padding-left: 3rem;
  max-width: 800px;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 8px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--accent), var(--border));
  border-radius: 2px;
}

.timeline-item {
  position: relative;
  margin-bottom: 2.5rem;
}

.timeline-item:last-child {
  margin-bottom: 0;
}

.timeline-marker {
  position: absolute;
  left: -3rem;
  top: 0.3rem;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--bg);
  border: 3px solid var(--accent);
  z-index: 1;
  transition: transform var(--transition), box-shadow var(--transition);
}

.timeline-item:hover .timeline-marker {
  transform: scale(1.2);
  box-shadow: 0 0 0 6px var(--accent-glow);
}

.timeline-content {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.6rem;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.timeline-item:hover .timeline-content {
  border-color: var(--accent);
  box-shadow: var(--shadow);
}

.timeline-date {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 0.5rem;
}

.timeline-title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.3rem;
}

.timeline-place {
  color: var(--text-muted);
  font-size: 0.92rem;
  margin-bottom: 0.5rem;
}

.timeline-desc {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
  margin-bottom: 0.8rem;
}

.timeline-badge {
  display: inline-block;
  padding: 0.2rem 0.75rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.badge-current {
  background: rgba(34, 211, 238, 0.15);
  color: var(--accent);
  border: 1px solid var(--accent);
}

.badge-internship {
  background: rgba(96, 165, 250, 0.12);
  color: #60a5fa;
  border: 1px solid rgba(96, 165, 250, 0.3);
}

.badge-hackathon {
  background: rgba(251, 191, 36, 0.12);
  color: #fbbf24;
  border: 1px solid rgba(251, 191, 36, 0.3);
}

.badge-education {
  background: rgba(52, 211, 153, 0.12);
  color: #34d399;
  border: 1px solid rgba(52, 211, 153, 0.3);
}

/* ---------- Skills ---------- */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.2rem;
}

.skill-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.6rem;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
  position: relative;
  overflow: hidden;
}

.skill-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), transparent);
  opacity: 0;
  transition: opacity var(--transition);
}

.skill-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent);
  box-shadow: var(--shadow);
}

.skill-card:hover::before {
  opacity: 1;
}

.skill-wide {
  grid-column: span 3;
}

.skill-icon {
  color: var(--accent);
  margin-bottom: 1rem;
}

.skill-title {
  color: var(--accent);
  font-size: 1.05rem;
  margin-bottom: 0.4rem;
  font-weight: 700;
}

.skill-techs {
  color: var(--text-muted);
  font-size: 0.92rem;
}

/* ---------- Langues ---------- */
.langs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.lang-name {
  display: block;
  font-weight: 700;
  margin-bottom: 0.5rem;
  font-size: 0.95rem;
}

.lang-bar {
  height: 8px;
  border-radius: 999px;
  background: var(--surface-2);
  overflow: hidden;
  margin-bottom: 0.5rem;
}

.lang-fill {
  display: block;
  height: 100%;
  width: 0;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--accent), var(--accent-strong));
  transition: width 1.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.lang-level {
  color: var(--text-muted);
  font-size: 0.88rem;
}

/* ---------- Centres d'intérêt ---------- */
.interests {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
}

.interest {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.6rem 1.4rem;
  font-size: 0.9rem;
  font-weight: 600;
  transition: all var(--transition);
}

.interest:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-glow);
}

/* ---------- Projects ---------- */
.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: 2.5rem;
}

.filter {
  background: var(--surface);
  color: var(--text-muted);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.5rem 1.3rem;
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  font-family: var(--font-main);
  transition: all var(--transition);
}

.filter:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.filter.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #04121a;
}

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

.project-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.project-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent);
  box-shadow: var(--shadow-lg);
}

.project-card.hidden {
  display: none;
}

.project-image {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--surface-2);
  border-bottom: 1px solid var(--border);
}

.project-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.project-card:hover .project-image img {
  transform: scale(1.05);
}

.project-image-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.65), rgba(0, 0, 0, 0.1));
  opacity: 0;
  transition: opacity var(--transition);
}

.project-card:hover .project-image-overlay {
  opacity: 1;
}

.project-image-overlay a {
  background: var(--accent);
  color: #04121a;
  padding: 0.6rem 1.3rem;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.88rem;
  transform: translateY(8px);
  transition: transform var(--transition);
}

.project-card:hover .project-image-overlay a {
  transform: translateY(0);
}

.projects-count {
  margin: 1.2rem 0 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.projects-count span {
  color: var(--accent);
  font-weight: 700;
}

.project-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.5rem;
  margin: 0.9rem 0;
  padding: 0.7rem 0;
  border-top: 1px dashed var(--border);
  border-bottom: 1px dashed var(--border);
}

.metric {
  text-align: center;
  padding: 0.25rem 0.3rem;
}

.metric-value {
  display: block;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.8rem;
  color: var(--text);
}

.metric-label {
  display: block;
  font-size: 0.68rem;
  color: var(--text-muted);
  margin-top: 0.15rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

@keyframes filterIn {
  from {
    opacity: 0;
    transform: translateY(16px) scale(0.97);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.project-card.filter-in {
  animation: filterIn 0.45s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.project-image-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 3rem 1rem;
  background: var(--surface-2);
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
  min-height: 160px;
}

.project-image-placeholder span {
  font-size: 0.82rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.project-body {
  padding: 1.6rem;
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  flex: 1;
}

.project-badge {
  align-self: flex-start;
  background: var(--accent-glow);
  color: var(--accent);
  border: 1px solid rgba(34, 211, 238, 0.25);
  border-radius: 999px;
  padding: 0.2rem 0.8rem;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.badge-highlight {
  background: rgba(251, 191, 36, 0.12);
  color: #fbbf24;
  border-color: rgba(251, 191, 36, 0.3);
}

.project-title {
  font-size: 1.15rem;
  font-weight: 700;
}

.project-desc {
  color: var(--text-muted);
  font-size: 0.93rem;
  flex-grow: 1;
  line-height: 1.7;
}

.project-techs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.project-techs span {
  background: var(--surface-2);
  color: var(--text);
  border-radius: 6px;
  padding: 0.25rem 0.65rem;
  font-size: 0.78rem;
  font-weight: 600;
}

.project-date {
  color: var(--text-muted);
  font-size: 0.82rem;
  font-family: var(--font-mono);
}

.project-links {
  display: flex;
  gap: 0.6rem;
  margin-top: 0.3rem;
}

/* ---------- Testimonials ---------- */
.testimonials-slider {
  max-width: 700px;
  margin: 0 auto;
  overflow: hidden;
  position: relative;
}

.testimonials-track {
  display: flex;
  transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.testimonial-card {
  min-width: 100%;
  padding: 0 1rem;
}

.testimonial-card > * {
  background: var(--surface);
}

.testimonial-quote {
  color: var(--accent);
  margin-bottom: 0.5rem;
}

.testimonial-text {
  font-size: 1.08rem;
  line-height: 1.8;
  color: var(--text);
  margin-bottom: 1.5rem;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.testimonial-avatar {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--accent-glow);
  border: 1px solid rgba(34, 211, 238, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: var(--accent);
  font-size: 0.85rem;
  flex-shrink: 0;
}

.testimonial-name {
  display: block;
  font-size: 0.95rem;
}

.testimonial-role {
  color: var(--text-muted);
  font-size: 0.85rem;
}

.testimonials-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin-top: 2rem;
}

.testimonial-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text-muted);
  cursor: pointer;
  transition: all var(--transition);
}

.testimonial-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-glow);
}

.testimonials-dots {
  display: flex;
  gap: 0.5rem;
}

.testimonials-dots button {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  border: none;
  background: var(--border);
  cursor: pointer;
  transition: all var(--transition);
  padding: 0;
}

.testimonials-dots button.active {
  background: var(--accent);
  width: 24px;
  border-radius: 4px;
}

/* ---------- Contact ---------- */
.contact-intro {
  color: var(--text-muted);
  margin-bottom: 2.5rem;
  max-width: 520px;
  font-size: 1.02rem;
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.2rem;
  margin-bottom: 3rem;
}

.contact-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.contact-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent);
  box-shadow: var(--shadow);
}

.contact-icon {
  color: var(--accent);
  margin-bottom: 0.5rem;
}

.contact-label {
  color: var(--text-muted);
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.contact-value {
  font-weight: 600;
  font-size: 0.92rem;
  word-break: break-word;
}

/* Contact Form */
.hp-field {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.contact-form-wrapper {
  max-width: 600px;
  margin: 0 auto 3rem;
}

.contact-form-title {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  text-align: center;
}

.contact-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.2rem;
}

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

.form-group-full {
  grid-column: 1 / -1;
}

.form-group label {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-muted);
}

.form-group input,
.form-group textarea {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.85rem 1rem;
  color: var(--text);
  font-family: var(--font-main);
  font-size: 0.95rem;
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
  resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-muted);
  opacity: 0.6;
}

.form-status {
  grid-column: 1 / -1;
  text-align: center;
  font-weight: 600;
  font-size: 0.9rem;
  min-height: 1.4rem;
}

.form-status.success {
  color: var(--success);
}

.form-status.error {
  color: var(--danger);
}

.btn-submit {
  grid-column: 1 / -1;
  padding: 1rem;
  font-size: 1rem;
}

.btn-loading {
  display: none;
}

.btn-submit.loading .btn-text { display: none; }
.btn-submit.loading .btn-loading { display: inline; }
.btn-submit.loading { pointer-events: none; opacity: 0.7; }

.contact-cta {
  text-align: center;
}

/* ---------- Footer ---------- */
.footer {
  border-top: 1px solid var(--border);
  padding: 2rem 0;
}

.footer-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  color: var(--text-muted);
  font-size: 0.88rem;
}

.footer-socials {
  display: flex;
  gap: 0.8rem;
}

.footer-socials a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text-muted);
  transition: all var(--transition);
}

.footer-socials a:hover {
  color: var(--accent);
  border-color: var(--accent);
}

.footer-top:hover {
  color: var(--accent);
}

/* ---------- Reveal ---------- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1),
    transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal.visible {
  opacity: 1;
  transform: none;
}

/* ---------- Language Switcher ---------- */
.lang-switcher {
  position: relative;
  margin-left: 0.3rem;
}

.lang-toggle {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  height: 40px;
  padding: 0 0.7rem;
  font-size: 1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.3rem;
  transition: all var(--transition);
  color: var(--text-muted);
}

.lang-code {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  color: var(--text);
}

.lang-toggle:hover {
  border-color: var(--accent);
  background: var(--accent-glow);
}

.lang-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 0.4rem;
  min-width: 140px;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
  z-index: 60;
}

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

.lang-option {
  display: block;
  width: 100%;
  padding: 0.55rem 0.9rem;
  background: none;
  border: none;
  border-radius: 8px;
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 500;
  text-align: left;
  cursor: pointer;
  font-family: var(--font-main);
  transition: all 0.15s ease;
}

.lang-option:hover {
  background: var(--accent-glow);
  color: var(--accent);
}

.lang-option.active {
  background: var(--accent);
  color: #04121a;
  font-weight: 700;
}

.lang-option.active::before {
  content: "\2713 ";
}

/* ---------- RTL ---------- */
[dir="rtl"] {
  direction: rtl;
  text-align: right;
}

[dir="rtl"] .nav-link::after { left: auto; right: 0; }
[dir="rtl"] .about-info li { flex-direction: row-reverse; }
[dir="rtl"] .footer-content { flex-direction: row-reverse; }
[dir="rtl"] .hero-content { text-align: right; }
[dir="rtl"] .hero-layout { flex-direction: row-reverse; }
[dir="rtl"] .contact-cta { text-align: center; }
[dir="rtl"] .hero-actions { justify-content: flex-start; }
[dir="rtl"] .lang-switcher { margin-left: 0; margin-right: 0.5rem; }
[dir="rtl"] .lang-dropdown { right: auto; left: 0; }
[dir="rtl"] .lang-option { text-align: right; }

[dir="rtl"] .timeline {
  padding-left: 0;
  padding-right: 3rem;
}

[dir="rtl"] .timeline::before {
  left: auto;
  right: 8px;
}

[dir="rtl"] .timeline-marker {
  left: auto;
  right: -3rem;
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .skills-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .skill-wide {
    grid-column: span 2;
  }

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

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

@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }

  .nav-menu {
    position: fixed;
    top: 72px;
    right: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
    background: var(--bg-alt);
    border-bottom: 1px solid var(--border);
    width: min(80vw, 320px);
    padding: 2rem 1.8rem;
    transform: translateX(100%);
    transition: transform var(--transition);
    box-shadow: var(--shadow-lg);
  }

  .nav-menu.open {
    transform: translateX(0);
  }

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

  .langs {
    grid-template-columns: 1fr;
    gap: 1.6rem;
  }

  .hero-scroll-indicator {
    display: none;
  }

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

  .form-group-full {
    grid-column: 1;
  }

  .form-status {
    grid-column: 1;
  }

  .btn-submit {
    grid-column: 1;
  }

  [dir="rtl"] .lang-switcher {
    margin-right: 0;
    justify-content: flex-start;
  }
}

@media (max-width: 520px) {
  .skills-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .skill-wide {
    grid-column: span 1;
  }

  .hero-actions .btn {
    flex: 1 1 100%;
  }

  .section {
    padding: 4rem 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .reveal {
    transition: none;
    opacity: 1;
    transform: none;
  }

  .scroll-dot {
    animation: none;
  }

  .project-card.filter-in {
    animation: none;
  }

  .hero::before,
  .hero::after {
    animation: none;
  }
}