/* ============================================
   PORTFOLIO — Fadhil Thoriq Ramadhan
   Anti-Slop Redesign
   ============================================ */

/* ---------- CSS Custom Properties ---------- */
:root {
  --primary: #3b82f6;
  --primary-dim: #1d4ed8;
  --bg-primary: #09090b;
  --bg-secondary: #18181b;
  --card-bg: #1c1c21;
  --card-border: #27272a;
  --text-primary: #fafafa;
  --text-secondary: #a1a1aa;
  --font-body: 'Outfit', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --radius: 16px;
  --radius-sm: 8px;
  --radius-pill: 9999px;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.2);
  --shadow-hover: 0 8px 32px rgba(0, 0, 0, 0.3);
  --transition: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

[data-theme="light"] {
  --primary: #2563eb;
  --primary-dim: #1d4ed8;
  --bg-primary: #fafafa;
  --bg-secondary: #f4f4f5;
  --card-bg: #ffffff;
  --card-border: #e4e4e7;
  --text-primary: #09090b;
  --text-secondary: #52525b;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
  --shadow-hover: 0 8px 32px rgba(0, 0, 0, 0.1);
}

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

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

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

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

ul {
  list-style: none;
}

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

::selection {
  background: rgba(59, 130, 246, 0.25);
  color: var(--text-primary);
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.section {
  padding: 100px 0;
  position: relative;
}

.section-title {
  font-size: 2.2rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 60px;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

/* ---------- NAVBAR ---------- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 16px 0;
  transition: all 0.4s ease;
}

.navbar.scrolled {
  background: rgba(9, 9, 11, 0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 10px 0;
  box-shadow: var(--shadow);
  border-bottom: 1px solid var(--card-border);
}

[data-theme="light"] .navbar.scrolled {
  background: rgba(250, 250, 250, 0.85);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: 2px;
  font-family: var(--font-mono);
}

.nav-menu {
  display: flex;
  gap: 4px;
}

.nav-link {
  padding: 8px 14px;
  border-radius: var(--radius-pill);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: var(--transition);
}

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

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

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  z-index: 1001;
}

.hamburger {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  position: relative;
  transition: var(--transition);
}

.hamburger::before,
.hamburger::after {
  content: '';
  position: absolute;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  transition: var(--transition);
}

.hamburger::before { top: -7px; }
.hamburger::after { top: 7px; }

.nav-toggle.active .hamburger { background: transparent; }
.nav-toggle.active .hamburger::before { top: 0; transform: rotate(45deg); }
.nav-toggle.active .hamburger::after { top: 0; transform: rotate(-45deg); }

/* ---------- THEME TOGGLE ---------- */
.theme-toggle {
  width: 38px;
  height: 38px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 50%;
  color: var(--text-secondary);
  font-size: 0.9rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  flex-shrink: 0;
}

.theme-toggle:hover {
  color: var(--primary);
  border-color: var(--primary);
}

/* ---------- STARFIELD BACKGROUND ---------- */
#starfield {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  pointer-events: none;
}

[data-theme="light"] #starfield {
  opacity: 0.35;
}

/* ---------- HERO SECTION ---------- */
.hero {
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  background: var(--bg-primary);
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 20px;
  max-width: 800px;
}

.hero-name {
  font-size: 3rem;
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 20px;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

.hero-typed-wrapper {
  font-size: 1.2rem;
  color: var(--text-secondary);
  margin-bottom: 36px;
  min-height: 2rem;
}

.hero-typed-wrapper .typed-cursor {
  font-size: 1.2rem;
  color: var(--primary);
}

.hero-cta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 32px;
  background: var(--primary);
  color: #ffffff;
  font-weight: 600;
  border-radius: var(--radius-pill);
  font-size: 0.95rem;
  transition: var(--transition);
  box-shadow: 0 4px 16px rgba(59, 130, 246, 0.25);
}

.hero-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(59, 130, 246, 0.35);
}

.hero-cta:active {
  transform: translateY(0);
  scale: 0.98;
}

/* Scroll Indicator */
.scroll-indicator {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
}

.scroll-arrow {
  width: 20px;
  height: 20px;
  border-right: 2px solid var(--text-secondary);
  border-bottom: 2px solid var(--text-secondary);
  transform: rotate(45deg);
  animation: scrollBounce 2s infinite;
  opacity: 0.5;
}

@keyframes scrollBounce {
  0%, 100% { transform: rotate(45deg) translate(0, 0); opacity: 0.3; }
  50% { transform: rotate(45deg) translate(6px, 6px); opacity: 0.7; }
}

/* ---------- ABOUT SECTION ---------- */
.about {
  background: var(--bg-secondary);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  align-items: start;
}

.about-image-wrapper {
  display: flex;
  justify-content: center;
}

.about-image-frame {
  width: 260px;
  height: 320px;
  border-radius: var(--radius);
  overflow: hidden;
  border: 2px solid var(--card-border);
}

.about-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  display: block;
}

.about-text p {
  color: var(--text-secondary);
  margin-bottom: 16px;
  font-size: 0.95rem;
  max-width: 65ch;
}

.about-chips {
  margin-top: 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.about-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-pill);
  font-size: 0.8rem;
  color: var(--text-secondary);
  font-family: var(--font-mono);
}

.about-chip i {
  color: var(--primary);
  font-size: 0.75rem;
}

/* ---------- EDUCATION SECTION ---------- */
.education {
  background: var(--bg-primary);
}

.timeline {
  position: relative;
  max-width: 700px;
  margin: 0 auto;
  padding-left: 40px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 12px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--card-border);
}

.timeline-item {
  position: relative;
  margin-bottom: 32px;
}

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

.timeline-dot {
  position: absolute;
  left: -34px;
  top: 20px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--primary);
  border: 3px solid var(--bg-primary);
  z-index: 1;
}

.timeline-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 24px;
  transition: var(--transition);
}

.timeline-card:hover {
  border-color: var(--primary);
}

.timeline-date {
  font-size: 0.78rem;
  color: var(--primary);
  font-weight: 600;
  margin-bottom: 8px;
  letter-spacing: 0.05em;
  font-family: var(--font-mono);
}

.timeline-title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.timeline-subtitle {
  font-size: 0.88rem;
  color: var(--primary);
  margin-bottom: 10px;
  font-weight: 500;
}

.timeline-desc {
  font-size: 0.88rem;
  color: var(--text-secondary);
}

/* ---------- EXPERIENCE SECTION ---------- */
.experience {
  background: var(--bg-secondary);
}

.experience-card {
  max-width: 860px;
  margin: 0 auto;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  overflow: hidden;
}

.experience-header {
  padding: 28px;
  border-bottom: 1px solid var(--card-border);
}

.experience-company {
  display: flex;
  align-items: center;
  gap: 16px;
}

.company-icon {
  width: 48px;
  height: 48px;
  background: var(--primary);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: #ffffff;
  flex-shrink: 0;
}

.experience-company h3 {
  font-size: 1.2rem;
  font-weight: 700;
}

.experience-role {
  color: var(--text-secondary);
  font-size: 0.88rem;
  margin-top: 2px;
}

.experience-period {
  color: var(--primary);
  font-size: 0.8rem;
  margin-top: 4px;
  font-family: var(--font-mono);
}

.experience-period i {
  margin-right: 6px;
}

.experience-body {
  display: flex;
  flex-wrap: wrap;
}

.experience-tabs {
  display: flex;
  border-bottom: 1px solid var(--card-border);
  overflow-x: auto;
  width: 100%;
}

.tab-btn {
  flex: 1;
  padding: 12px 16px;
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 0.82rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
  font-family: var(--font-body);
  position: relative;
}

.tab-btn::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--primary);
  transform: scaleX(0);
  transition: var(--transition);
}

.tab-btn.active {
  color: var(--primary);
}

.tab-btn.active::after {
  transform: scaleX(1);
}

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

.tab-content {
  display: none;
  padding: 28px;
  width: 100%;
  border-left: 3px solid var(--primary);
}

.tab-content.active {
  display: block;
}

.experience-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 14px;
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.experience-list li:last-child { margin-bottom: 0; }

.experience-list li i {
  color: var(--primary);
  margin-top: 5px;
  flex-shrink: 0;
  font-size: 0.8rem;
}

/* ---------- PROJECTS SECTION (BENTO) ---------- */
.projects {
  background: var(--bg-primary);
}

.projects-bento {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.project-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition);
}

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

.project-card:active {
  transform: translateY(-1px);
}

.project-screenshot {
  width: 100%;
  overflow: hidden;
}

.project-gallery {
  position: relative;
  width: 100%;
  height: 100%;
}

.gallery-main {
  position: relative;
  width: 100%;
  height: 220px;
  overflow: hidden;
  cursor: pointer;
  background: var(--bg-secondary);
}

.gallery-active {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  transition: transform 0.4s ease;
}

.gallery-main:hover .gallery-active {
  transform: scale(1.02);
}

.gallery-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 30px;
  height: 30px;
  background: rgba(9, 9, 11, 0.7);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  color: white;
  font-size: 0.7rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: var(--transition);
  z-index: 2;
}

.gallery-prev { left: 8px; }
.gallery-next { right: 8px; }

.gallery-main:hover .gallery-nav { opacity: 1; }
.gallery-nav:hover { background: rgba(59, 130, 246, 0.6); }

.gallery-expand {
  position: absolute;
  top: 8px;
  right: 8px;
  width: 30px;
  height: 30px;
  background: rgba(9, 9, 11, 0.7);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-sm);
  color: white;
  font-size: 0.7rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: var(--transition);
  z-index: 2;
}

.gallery-main:hover .gallery-expand { opacity: 1; }
.gallery-expand:hover { background: rgba(59, 130, 246, 0.6); }

.gallery-thumbs {
  display: flex;
  gap: 4px;
  padding: 6px;
  overflow-x: auto;
  background: var(--bg-secondary);
  scrollbar-width: thin;
  scrollbar-color: var(--card-border) transparent;
}

.gallery-thumbs::-webkit-scrollbar { height: 3px; }
.gallery-thumbs::-webkit-scrollbar-track { background: transparent; }
.gallery-thumbs::-webkit-scrollbar-thumb { background: var(--card-border); border-radius: 2px; }

.gallery-thumb {
  width: 48px;
  height: 32px;
  object-fit: cover;
  border-radius: 4px;
  cursor: pointer;
  opacity: 0.4;
  transition: var(--transition);
  flex-shrink: 0;
  border: 2px solid transparent;
}

.gallery-thumb:hover { opacity: 0.7; }
.gallery-thumb.active { opacity: 1; border-color: var(--primary); }

.project-info {
  padding: 20px;
}

.project-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.project-desc {
  font-size: 0.88rem;
  color: var(--text-secondary);
  margin-bottom: 14px;
  line-height: 1.6;
}

.project-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.tech-badge {
  padding: 3px 12px;
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.2);
  border-radius: var(--radius-pill);
  font-size: 0.72rem;
  color: var(--primary);
  font-weight: 500;
  font-family: var(--font-mono);
}

/* ---------- LIGHTBOX ---------- */
.lightbox {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.92);
  backdrop-filter: blur(10px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.lightbox.active { opacity: 1; visibility: visible; }

.lightbox-content {
  max-width: 90vw;
  max-height: 85vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lightbox-img {
  max-width: 100%;
  max-height: 85vh;
  object-fit: contain;
  border-radius: var(--radius-sm);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
  transform: scale(0.9);
  transition: transform 0.3s ease;
}

.lightbox.active .lightbox-img { transform: scale(1); }

.lightbox-close {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 44px;
  height: 44px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  color: white;
  font-size: 1.1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  z-index: 2001;
}

.lightbox-close:hover { background: rgba(239, 68, 68, 0.5); }

.lightbox-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 50%;
  color: white;
  font-size: 1.1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  z-index: 2001;
}

.lightbox-prev { left: 20px; }
.lightbox-next { right: 20px; }
.lightbox-nav:hover { background: rgba(59, 130, 246, 0.4); }

.lightbox-counter {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  color: var(--text-secondary);
  font-size: 0.85rem;
  font-weight: 500;
  font-family: var(--font-mono);
}

/* ---------- CERTIFICATIONS SECTION ---------- */
.certifications {
  background: var(--bg-secondary);
}

.cert-scroll {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.cert-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 28px;
  text-align: center;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.cert-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--primary);
  opacity: 0;
  transition: var(--transition);
}

.cert-card:hover {
  transform: translateY(-3px);
  border-color: var(--primary);
}

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

.cert-card--cyber::before { background: #ef4444; }
.cert-card--workspace::before { background: #3b82f6; }
.cert-card--data::before { background: #10b981; }

.cert-icon {
  width: 52px;
  height: 52px;
  margin: 0 auto 16px;
  background: var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: #ffffff;
}

.cert-card--cyber .cert-icon { background: #ef4444; }
.cert-card--workspace .cert-icon { background: #3b82f6; }
.cert-card--data .cert-icon { background: #10b981; }

.cert-title {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.cert-date {
  font-size: 0.8rem;
  color: var(--primary);
  margin-bottom: 6px;
  font-family: var(--font-mono);
}

.cert-date i { margin-right: 6px; }

.cert-issuer {
  font-size: 0.78rem;
  color: var(--text-secondary);
  font-weight: 500;
}

/* ---------- SKILLS SECTION ---------- */
.skills {
  background: var(--bg-primary);
}

.skills-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
}

.skills-subtitle {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 20px;
  color: var(--text-primary);
}

.skill-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.skill-card {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 18px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.skill-card:hover {
  border-color: var(--primary);
}

.skill-card-icon {
  width: 36px;
  height: 36px;
  background: rgba(59, 130, 246, 0.1);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 0.85rem;
  flex-shrink: 0;
}

.skill-card-info {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.skill-card-name {
  font-size: 0.88rem;
  font-weight: 500;
}

.skill-dots {
  display: flex;
  gap: 4px;
}

.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--card-border);
  transition: background 0.6s ease;
}

.dot.filled {
  background: var(--primary);
}

.soft-skills-scroll {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.soft-tag {
  padding: 7px 16px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-pill);
  font-size: 0.82rem;
  color: var(--text-secondary);
  transition: var(--transition);
}

.soft-tag:hover {
  border-color: var(--primary);
  color: var(--primary);
}

/* ---------- CONTACT SECTION ---------- */
.contact {
  background: var(--bg-secondary);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  max-width: 800px;
  margin: 0 auto;
}

.contact-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 28px;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 20px;
}

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

.contact-icon {
  width: 40px;
  height: 40px;
  background: var(--primary);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  font-size: 0.9rem;
  flex-shrink: 0;
}

.contact-info h4 {
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.contact-info p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

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

.contact-social h3 {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 18px;
}

.social-links {
  display: flex;
  justify-content: center;
  gap: 12px;
}

.social-link {
  width: 46px;
  height: 46px;
  border: 1px solid var(--card-border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.05rem;
  color: var(--text-secondary);
  transition: var(--transition);
}

.social-link:hover {
  background: var(--primary);
  border-color: var(--primary);
  color: #ffffff;
  transform: translateY(-2px);
}

.social-link:active {
  transform: translateY(0);
}

/* ---------- FOOTER ---------- */
.footer {
  background: var(--bg-primary);
  border-top: 1px solid var(--card-border);
  padding: 24px 0;
  text-align: center;
}

.footer p {
  font-size: 0.82rem;
  color: var(--text-secondary);
}

/* ---------- BACK TO TOP ---------- */
.back-to-top {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 42px;
  height: 42px;
  background: var(--primary);
  border: none;
  border-radius: 50%;
  color: #ffffff;
  font-size: 0.9rem;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(16px);
  transition: var(--transition);
  z-index: 999;
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.25);
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(59, 130, 246, 0.35);
}

.back-to-top:active {
  transform: translateY(0);
}

/* ---------- RESPONSIVE: TABLET (768px+) ---------- */
@media (min-width: 768px) {
  .section {
    padding: 120px 0;
  }

  .section-title {
    font-size: 2.4rem;
  }

  .hero-name {
    font-size: 4rem;
  }

  .about-grid {
    grid-template-columns: auto 1fr;
    gap: 50px;
  }

  .about-image-frame {
    width: 300px;
    height: 360px;
  }

  .projects-bento {
    grid-template-columns: 2fr 1fr;
  }

  .gallery-main {
    height: 280px;
  }

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

  .cert-scroll .cert-card:last-child {
    grid-column: span 2;
    max-width: 50%;
    margin: 0 auto;
  }

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

  .skills-grid {
    grid-template-columns: 2fr 1fr;
    gap: 48px;
  }

  .skill-cards {
    grid-template-columns: 1fr 1fr;
  }

  .experience-tabs {
    border-bottom: none;
    flex-direction: row;
  }
}

/* ---------- RESPONSIVE: DESKTOP (1024px+) ---------- */
@media (min-width: 1024px) {
  .hero-name {
    font-size: 4.5rem;
  }

  .hero-typed-wrapper {
    font-size: 1.35rem;
  }

  .about-grid {
    gap: 60px;
  }

  .about-image-frame {
    width: 320px;
    height: 380px;
  }

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

  .cert-scroll .cert-card:last-child {
    grid-column: auto;
    max-width: none;
  }

  .skills-grid {
    grid-template-columns: 2fr 1fr;
    gap: 60px;
  }

  .skill-cards {
    grid-template-columns: 1fr 1fr;
  }
}

/* ---------- RESPONSIVE: MOBILE (below 768px) ---------- */
@media (max-width: 767px) {
  .nav-toggle {
    display: block;
  }

  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: var(--bg-primary);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 80px 24px 24px;
    transition: right 0.4s ease;
    box-shadow: -4px 0 30px rgba(0, 0, 0, 0.2);
    border-left: 1px solid var(--card-border);
  }

  .nav-menu.active { right: 0; }

  .nav-link {
    padding: 12px 14px;
    font-size: 0.95rem;
  }

  .hero-name {
    font-size: 2.2rem;
  }

  .hero-typed-wrapper {
    font-size: 1rem;
  }

  .section-title {
    font-size: 1.7rem;
    margin-bottom: 40px;
  }

  .about-image-frame {
    width: 220px;
    height: 280px;
  }

  .about-chips {
    justify-content: center;
  }

  .timeline {
    padding-left: 30px;
  }

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

  .gallery-main {
    height: 200px;
  }

  .cert-scroll {
    grid-template-columns: 1fr;
  }

  .cert-scroll .cert-card:last-child {
    grid-column: auto;
    max-width: none;
  }

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

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

  .skill-cards {
    grid-template-columns: 1fr;
  }

  .experience-tabs {
    flex-direction: column;
  }

  .tab-btn {
    text-align: left;
  }
}

/* ---------- REDUCED MOTION ---------- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  html {
    scroll-behavior: auto;
  }
}