/* ============================================================
   Font Awesome — reserve space while async stylesheet loads
   ============================================================ */
.fas, .fab, .far, .fal {
  display: inline-block;
  font-style: normal;
  line-height: 1;
  min-width: 1em;
}

/* ============================================================
   Design System — Dark + Orange Theme
   ============================================================ */
:root {
  --bg-base:        #0d0d0d;
  --bg-surface:     #141414;
  --bg-card:        #1a1a1a;
  --bg-card-hover:  #222222;
  --accent:         #ff6b2b;
  --accent-light:   #ff8f5e;
  --accent-dim:     rgba(255, 107, 43, 0.15);
  --accent-glow:    rgba(255, 107, 43, 0.35);
  --text-primary:   #ffffff;
  --text-secondary: #a0a0a0;
  --text-muted:     #666666;
  --border:         rgba(255, 255, 255, 0.07);
  --border-accent:  rgba(255, 107, 43, 0.25);
  --radius-sm:      6px;
  --radius-md:      12px;
  --radius-lg:      20px;
  --radius-xl:      28px;
  --shadow-card:    0 4px 24px rgba(0, 0, 0, 0.4);
  --shadow-accent:  0 0 32px rgba(255, 107, 43, 0.2);
  --nav-height:     72px;
  --transition:     0.25s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', sans-serif;
  background-color: var(--bg-base);
  color: var(--text-primary);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

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

ul {
  list-style: none;
}

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

/* ============================================================
   Utilities
   ============================================================ */
.container {
  width: 100%;
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
}

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

.section-tag {
  display: inline-block;
  padding: 6px 16px;
  background: var(--accent-dim);
  color: var(--accent);
  border: 1px solid var(--border-accent);
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 64px;
}

.section-title {
  font-size: clamp(1.75rem, 3vw, 2.4rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.section-subtitle {
  color: var(--text-secondary);
  font-size: 1.05rem;
  line-height: 1.7;
}

/* ============================================================
   Buttons
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

.btn-primary:hover {
  background: var(--accent-light);
  border-color: var(--accent-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px var(--accent-glow);
}

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

.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
}

.btn-sm {
  padding: 9px 18px;
  font-size: 0.875rem;
}

.btn-lg {
  padding: 16px 34px;
  font-size: 1rem;
}

/* ============================================================
   Navbar
   ============================================================ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  transition: background var(--transition), backdrop-filter var(--transition), border-color var(--transition);
  border-bottom: 1px solid transparent;
}

.navbar.scrolled {
  background: rgba(13, 13, 13, 0.9);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom-color: var(--border);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  width: 100%;
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
}

.nav-logo {
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  flex-shrink: 0;
}

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

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

.nav-menu {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-link {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--transition);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
  transition: width var(--transition);
}

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

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  flex-shrink: 0;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all var(--transition);
}

.nav-toggle.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ============================================================
   Hero Section
   ============================================================ */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
  overflow: hidden;
  padding: calc(var(--nav-height) + 40px) 0 80px;
}

.hero-bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 107, 43, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 107, 43, 0.03) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
}

.hero-bg-grid::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 50% at 70% 50%, rgba(255, 107, 43, 0.06) 0%, transparent 70%);
}

.hero-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 64px;
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 24px;
}

.badge-dot {
  width: 8px;
  height: 8px;
  background: #22c55e;
  border-radius: 50%;
  box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.2);
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.2); }
  50%       { box-shadow: 0 0 0 6px rgba(34, 197, 94, 0.08); }
}

.hero-headline {
  font-size: clamp(2.2rem, 4.5vw, 3.4rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
}

.hero-subtext {
  font-size: 1.1rem;
  color: var(--text-secondary);
  line-height: 1.75;
  max-width: 500px;
  margin-bottom: 24px;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  margin-bottom: 36px;
}

.hero-meta span {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 0.875rem;
  color: var(--text-muted);
}

.hero-meta i {
  color: var(--accent);
  font-size: 0.8rem;
}

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

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

.hero-image-ring {
  position: relative;
  width: 320px;
  height: 320px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid var(--border-accent);
  animation: rotate-ring 16s linear infinite;
}

.ring-outer {
  width: 100%;
  height: 100%;
  animation-duration: 20s;
  opacity: 0.4;
}

.ring-inner {
  width: 84%;
  height: 84%;
  animation-direction: reverse;
  animation-duration: 14s;
  opacity: 0.6;
}

@keyframes rotate-ring {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

.profile-placeholder {
  width: 240px;
  height: 240px;
  border-radius: 50%;
  overflow: hidden;
  border: 3px solid var(--accent);
  box-shadow: 0 0 48px var(--accent-glow);
  position: relative;
  z-index: 2;
  background: var(--bg-card);
}

.profile-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
}

.profile-fallback {
  display: none;
  width: 100%;
  height: 100%;
  align-items: center;
  justify-content: center;
  font-size: 5rem;
  color: var(--accent);
}

.hero-stat-badge {
  position: absolute;
  background: var(--bg-card);
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-md);
  padding: 10px 16px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  box-shadow: var(--shadow-card);
  z-index: 3;
  backdrop-filter: blur(8px);
}

.badge-years {
  top: 10px;
  left: -20px;
}

.badge-users {
  bottom: 24px;
  right: -24px;
}

.badge-ai {
  flex-direction: row;
  gap: 8px;
  top: 50%;
  right: -48px;
  transform: translateY(-50%);
}

.badge-ai i {
  color: var(--accent);
  font-size: 1rem;
}

.stat-num {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
}

.stat-label {
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--text-secondary);
  white-space: nowrap;
}

/* Scroll indicator */
.hero-scroll-indicator {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
}

.scroll-mouse {
  width: 26px;
  height: 40px;
  border: 2px solid var(--border);
  border-radius: 13px;
  display: flex;
  justify-content: center;
  padding-top: 6px;
  opacity: 0.5;
}

.scroll-wheel {
  width: 4px;
  height: 8px;
  background: var(--accent);
  border-radius: 2px;
  animation: scroll-bounce 1.8s ease infinite;
}

@keyframes scroll-bounce {
  0%, 100% { transform: translateY(0); opacity: 1; }
  80%       { transform: translateY(12px); opacity: 0; }
}

/* ============================================================
   Services Section
   ============================================================ */
.services {
  padding: 100px 0;
  background: var(--bg-surface);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.service-card:hover {
  border-color: var(--border-accent);
  transform: translateY(-6px);
  box-shadow: var(--shadow-accent);
}

.featured-card {
  border-color: var(--border-accent);
  background: linear-gradient(145deg, var(--bg-card) 0%, rgba(255, 107, 43, 0.04) 100%);
}

.service-icon-wrap {
  width: 56px;
  height: 56px;
  background: var(--accent-dim);
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  color: var(--accent);
}

.service-title {
  font-size: 1.2rem;
  font-weight: 700;
  line-height: 1.3;
}

.service-desc {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
  flex: 1;
}

.service-features {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.service-features li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.88rem;
  color: var(--text-secondary);
}

.service-features i {
  color: var(--accent);
  font-size: 0.75rem;
  flex-shrink: 0;
}

.service-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--accent);
  font-size: 0.9rem;
  font-weight: 600;
  margin-top: 4px;
  transition: gap var(--transition);
}

.service-cta:hover {
  gap: 12px;
}

/* ============================================================
   About Section
   ============================================================ */
.about {
  padding: 100px 0;
}

.about-container {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 80px;
  align-items: center;
}

.about-visual {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.about-image-wrap {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.about-image-bg {
  position: absolute;
  inset: -12px;
  background: linear-gradient(135deg, var(--accent-dim), transparent);
  border-radius: var(--radius-lg);
  z-index: 0;
}

.about-img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  position: relative;
  z-index: 1;
}

.about-fallback {
  display: none;
  width: 100%;
  aspect-ratio: 4 / 3;
  align-items: center;
  justify-content: center;
  font-size: 5rem;
  color: var(--accent);
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
}

.about-stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.about-stat {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 20px 18px;
  text-align: center;
  transition: border-color var(--transition);
}

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

.about-stat-num {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 6px;
}

.about-stat-label {
  font-size: 0.8rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.about-text {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.about-text .section-title {
  margin-bottom: 4px;
}

.about-text p {
  color: var(--text-secondary);
  font-size: 0.98rem;
  line-height: 1.8;
}

.about-text strong {
  color: var(--text-primary);
  font-weight: 600;
}

.about-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 8px;
}

/* ============================================================
   Skills Section
   ============================================================ */
.skills {
  padding: 100px 0;
  background: var(--bg-surface);
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.skill-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 28px 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  text-align: center;
  transition: all var(--transition);
  cursor: default;
}

.skill-card:hover {
  border-color: var(--border-accent);
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(255, 107, 43, 0.1);
}

.skill-icon {
  width: 52px;
  height: 52px;
  background: var(--accent-dim);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  color: var(--accent);
  transition: background var(--transition);
}

.skill-card:hover .skill-icon {
  background: rgba(255, 107, 43, 0.25);
}

.skill-name {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.3;
}

.skill-tag {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--accent);
  background: var(--accent-dim);
  padding: 3px 10px;
  border-radius: 100px;
}

/* ============================================================
   Portfolio Section
   ============================================================ */
.portfolio {
  padding: 100px 0;
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.portfolio-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: all var(--transition);
}

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

.card-large {
  grid-column: span 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: auto;
  gap: 16px 32px;
}

.card-large .portfolio-card-top {
  grid-column: 1 / -1;
}

.card-large .portfolio-title {
  grid-column: 1;
  align-self: start;
}

.card-large .portfolio-desc {
  grid-column: 2;
  grid-row: 2;
}

.card-large .portfolio-tags {
  grid-column: 1;
  grid-row: 3;
  align-self: start;
}

.card-large .portfolio-impact {
  grid-column: 2;
  grid-row: 3;
}

.portfolio-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.portfolio-icon {
  width: 48px;
  height: 48px;
  background: var(--accent-dim);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  color: var(--accent);
}

.portfolio-status {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 5px 12px;
  border-radius: 100px;
}

.status-active {
  background: rgba(34, 197, 94, 0.12);
  color: #22c55e;
}

.status-done {
  background: rgba(99, 102, 241, 0.12);
  color: #818cf8;
}

.portfolio-title {
  font-size: 1.15rem;
  font-weight: 700;
  line-height: 1.3;
}

.portfolio-desc {
  color: var(--text-secondary);
  font-size: 0.92rem;
  line-height: 1.7;
}

.portfolio-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: flex-start;
  align-content: flex-start;
}

.tag {
  display: inline-block;
  padding: 4px 12px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: all var(--transition);
}

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

.portfolio-impact {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  background: rgba(255, 107, 43, 0.04);
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.portfolio-impact i {
  color: var(--accent);
  font-size: 0.9rem;
  flex-shrink: 0;
  margin-top: 2px;
}

/* ============================================================
   Blog Section
   ============================================================ */
.blog {
  padding: 100px 0;
  background: var(--bg-surface);
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 48px;
}

.blog-loading {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 48px 0;
  color: var(--text-muted);
  font-size: 0.95rem;
}

.blog-error {
  grid-column: 1 / -1;
  text-align: center;
  color: var(--text-muted);
  padding: 32px 0;
}

.blog-error a {
  color: var(--accent);
  text-decoration: underline;
}

.blog-card {
  display: flex;
  flex-direction: column;
  gap: 14px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  transition: all var(--transition);
  cursor: pointer;
}

.blog-card:hover {
  border-color: var(--border-accent);
  transform: translateY(-6px);
  box-shadow: var(--shadow-accent);
}

.blog-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.blog-category {
  display: inline-block;
  padding: 4px 12px;
  background: var(--accent-dim);
  color: var(--accent);
  border: 1px solid var(--border-accent);
  border-radius: 100px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.blog-read-time {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  color: var(--text-muted);
  white-space: nowrap;
}

.blog-read-time i {
  color: var(--accent);
  font-size: 0.75rem;
}

.blog-card-title {
  font-size: 1.08rem;
  font-weight: 700;
  line-height: 1.35;
  color: var(--text-primary);
  transition: color var(--transition);
}

.blog-card:hover .blog-card-title {
  color: var(--accent);
}

.blog-card-excerpt {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.75;
  flex: 1;
}

.blog-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding-top: 4px;
}

.blog-date {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.blog-date i {
  color: var(--accent);
  font-size: 0.75rem;
}

.blog-read-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent);
  transition: gap var(--transition);
}

.blog-card:hover .blog-read-link {
  gap: 10px;
}

.blog-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-top: 4px;
  border-top: 1px solid var(--border);
}

.blog-section-footer {
  display: flex;
  justify-content: center;
}

/* ============================================================
   Contact Section
   ============================================================ */
.contact {
  padding: 100px 0;
}

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

.contact-card {
  background: var(--bg-card);
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-xl);
  padding: 80px 60px;
  text-align: center;
  max-width: 760px;
  margin: 0 auto;
  position: relative;
  overflow: hidden;
}

.contact-glow {
  position: absolute;
  top: -100px;
  left: 50%;
  transform: translateX(-50%);
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(255, 107, 43, 0.12) 0%, transparent 65%);
  pointer-events: none;
}

.contact-title {
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.contact-subtitle {
  color: var(--text-secondary);
  font-size: 1.05rem;
  line-height: 1.7;
  max-width: 520px;
  margin: 0 auto 40px;
}

.contact-actions {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 44px;
}

.contact-details {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 28px;
  padding-top: 28px;
  border-top: 1px solid var(--border);
}

.contact-detail-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.contact-detail-item i {
  color: var(--accent);
  font-size: 0.85rem;
}

.contact-detail-item a {
  color: var(--text-secondary);
  transition: color var(--transition);
}

.contact-detail-item a:hover {
  color: var(--accent);
}

/* ============================================================
   Footer
   ============================================================ */
.footer {
  background: var(--bg-base);
  border-top: 1px solid var(--border);
  padding-top: 48px;
}

.footer-container {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 32px;
  padding-bottom: 40px;
}

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

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

.footer-links {
  display: flex;
  gap: 28px;
}

.footer-link {
  font-size: 0.875rem;
  color: var(--text-secondary);
  transition: color var(--transition);
}

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

.footer-socials {
  display: flex;
  gap: 14px;
  justify-content: flex-end;
}

.social-icon {
  width: 38px;
  height: 38px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.95rem;
  color: var(--text-secondary);
  transition: all var(--transition);
}

.social-icon:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
}

.footer-bottom {
  border-top: 1px solid var(--border);
  padding: 20px 0;
  text-align: center;
  font-size: 0.83rem;
  color: var(--text-muted);
}

/* ============================================================
   Scroll-Reveal Animation
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* ============================================================
   Responsive — Tablet (≤ 900px)
   ============================================================ */
@media (max-width: 900px) {
  .hero-container {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 48px;
  }

  .hero-badge,
  .hero-meta,
  .hero-ctas {
    justify-content: center;
  }

  .hero-subtext {
    margin: 0 auto 24px;
  }

  .hero-visual {
    order: -1;
  }

  .hero-image-ring {
    width: 260px;
    height: 260px;
  }

  .profile-placeholder {
    width: 200px;
    height: 200px;
  }

  .badge-years   { left: 0; }
  .badge-users   { right: 0; }
  .badge-ai      { right: -10px; }

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

  .about-container {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .skills-grid {
    grid-template-columns: repeat(3, 1fr);
  }

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

  .card-large {
    grid-column: 1;
    display: flex;
    flex-direction: column;
  }

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

  .contact-card {
    padding: 52px 32px;
  }

  .footer-container {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 24px;
  }

  .footer-links,
  .footer-socials {
    justify-content: center;
  }
}

/* ============================================================
   Responsive — Mobile (≤ 600px)
   ============================================================ */
@media (max-width: 600px) {
  .nav-menu {
    display: none;
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: var(--bg-base);
    border-bottom: 1px solid var(--border);
    padding: 24px;
    flex-direction: column;
    align-items: flex-start;
    gap: 20px;
  }

  .nav-menu.active {
    display: flex;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-actions {
    display: none;
  }

  .hero-headline {
    font-size: 2rem;
  }

  .hero-image-ring {
    width: 220px;
    height: 220px;
  }

  .profile-placeholder {
    width: 170px;
    height: 170px;
  }

  .hero-stat-badge {
    display: none;
  }

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

  .contact-card {
    padding: 40px 24px;
  }

  .contact-actions {
    flex-direction: column;
  }

  .contact-details {
    flex-direction: column;
    align-items: center;
  }

  .section-title {
    font-size: 1.6rem;
  }

  .portfolio-card {
    padding: 28px 22px;
  }

  .service-card {
    padding: 28px 24px;
  }
}