/* ============================================
   Ítallo Gonçalves — Portfolio Styles
   ============================================ */

/* --- Variables --- */
:root {
  --red: #ff0000;
  --red-dim: rgba(255, 0, 0, 0.12);
  --red-glow: rgba(255, 0, 0, 0.35);
  --black: #0a0a0a;
  --black2: #111111;
  --black3: #181818;
  --white: #f0f0f0;
  --gray: #999;
  --gray2: #333;
  --transition-fast: 0.25s ease;
  --transition-mid: 0.35s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  background: var(--black);
  color: var(--white);
  font-family: 'Syne', sans-serif;
  overflow-x: hidden;
}

/* --- Custom Cursor (only for devices with a fine pointer) --- */
@media (pointer: fine) {
  body {
    cursor: none;
  }

  a, button, .skill-card, .project-card, .stat-card, .contact-link {
    cursor: none;
  }
}

.cursor {
  width: 12px;
  height: 12px;
  background: var(--red);
  border-radius: 50%;
  position: fixed;
  top: 0;
  left: 0;
  pointer-events: none;
  z-index: 9999;
  transform: translate(-50%, -50%);
  transition: transform 0.1s ease;
  mix-blend-mode: normal;
  display: none;
}

.cursor-follower {
  width: 36px;
  height: 36px;
  border: 1px solid rgba(255, 0, 0, 0.5);
  border-radius: 50%;
  position: fixed;
  top: 0;
  left: 0;
  pointer-events: none;
  z-index: 9998;
  transform: translate(-50%, -50%);
  transition: all 0.18s ease;
  display: none;
}

@media (pointer: fine) {
  .cursor,
  .cursor-follower {
    display: block;
  }
}

/* --- Scrollbar --- */
::-webkit-scrollbar {
  width: 3px;
}

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

::-webkit-scrollbar-thumb {
  background: var(--red);
  border-radius: 2px;
}

/* --- Noscript Fallback --- */
noscript .noscript-warning {
  background: var(--red);
  color: var(--white);
  text-align: center;
  padding: 1rem;
  font-size: 0.9rem;
  font-weight: 600;
}

.no-js .reveal {
  opacity: 1 !important;
  transform: none !important;
}

/* ============================================
   NAVIGATION
   ============================================ */
nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.4rem 6%;
  background: rgba(10, 10, 10, 0.85);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(255, 0, 0, 0.08);
  transition: padding 0.3s ease;
}

.nav-logo {
  font-family: 'JetBrains Mono', monospace;
  font-size: 1rem;
  font-weight: 500;
  color: var(--white);
  letter-spacing: 0.05em;
}

.nav-logo span {
  color: var(--red);
}

.nav-links {
  display: flex;
  gap: 2.5rem;
  list-style: none;
}

.nav-links a {
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gray);
  text-decoration: none;
  transition: color var(--transition-fast);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--red);
  transition: width 0.3s ease;
}

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

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

/* --- Hamburger Menu --- */
.nav-hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 36px;
  height: 36px;
  background: none;
  border: 1px solid var(--gray2);
  cursor: pointer;
  padding: 0;
  z-index: 110;
  transition: border-color var(--transition-fast);
}

.nav-hamburger:hover {
  border-color: var(--red);
}

.nav-hamburger .bar {
  display: block;
  width: 18px;
  height: 1.5px;
  background: var(--white);
  transition: all 0.3s ease;
  transform-origin: center;
}

.nav-hamburger .bar + .bar {
  margin-top: 4px;
}

/* Hamburger active state (X) */
.nav-hamburger.active .bar:nth-child(1) {
  transform: translateY(5.5px) rotate(45deg);
}

.nav-hamburger.active .bar:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.nav-hamburger.active .bar:nth-child(3) {
  transform: translateY(-5.5px) rotate(-45deg);
}

/* --- Mobile Menu Overlay --- */
.mobile-menu {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 99;
  background: rgba(10, 10, 10, 0.97);
  backdrop-filter: blur(24px);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2.5rem;
  list-style: none;
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}

.mobile-menu.open {
  display: flex;
  opacity: 1;
  pointer-events: all;
}

.mobile-menu a {
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--white);
  text-decoration: none;
  position: relative;
  transition: color var(--transition-fast);
}

.mobile-menu a::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--red);
  transform: translateX(-50%);
  transition: width 0.3s ease;
}

.mobile-menu a:hover {
  color: var(--red);
}

.mobile-menu a:hover::after {
  width: 100%;
}

/* ============================================
   HERO SECTION
   ============================================ */
#hero {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  align-items: center;
  gap: 3rem;
  padding: 8rem 6% 4rem;
  position: relative;
  overflow: hidden;
}

#hero > .hero-content {
  order: 1;
}

#hero > .hero-photo {
  order: 2;
}

.hero-grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 0, 0, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 0, 0, 0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black, transparent);
}

.hero-glow {
  position: absolute;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(255, 0, 0, 0.12) 0%, transparent 70%);
  top: 50%;
  left: 60%;
  transform: translate(-50%, -50%);
  animation: pulseGlow 4s ease-in-out infinite;
}

@keyframes pulseGlow {
  0%, 100% {
    opacity: 0.6;
    transform: translate(-50%, -50%) scale(1);
  }
  50% {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1.2);
  }
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 780px;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.78rem;
  color: var(--red);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
}

.hero-tag::before {
  content: '';
  width: 24px;
  height: 1px;
  background: var(--red);
}

.hero-name {
  font-size: clamp(3.2rem, 8vw, 7rem);
  font-weight: 800;
  line-height: 0.95;
  letter-spacing: -0.03em;
  margin-bottom: 1rem;
}

.hero-name .line2 {
  color: var(--red);
}

.hero-title {
  font-family: 'JetBrains Mono', monospace;
  font-size: clamp(0.9rem, 2vw, 1.1rem);
  color: var(--gray);
  margin-bottom: 1.8rem;
  letter-spacing: 0.03em;
}

.hero-title .highlight {
  color: var(--white);
}

.hero-desc {
  font-size: 1.05rem;
  color: #aaa;
  line-height: 1.8;
  max-width: 520px;
  margin-bottom: 2.5rem;
}

.hero-desc strong {
  color: var(--white);
  font-weight: 600;
}

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

/* --- Hero Photo --- */
.hero-photo {
  position: relative;
  text-align: center;
}

.hero-photo img {
  width: 100%;
  max-width: 380px;
  border-radius: 16px;
  border: 2px solid rgba(255, 0, 0, 0.3);
  box-shadow:
    0 0 50px rgba(255, 0, 0, 0.1),
    0 30px 80px rgba(0, 0, 0, 0.8);
  transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.hero-photo img:hover {
  transform: scale(1.02) translateY(-8px);
  box-shadow:
    0 0 70px rgba(255, 0, 0, 0.2),
    0 40px 100px rgba(0, 0, 0, 0.9);
}

/* --- Buttons --- */
.btn-primary {
  padding: 0.85rem 2rem;
  background: var(--red);
  color: var(--white);
  font-family: 'Syne', sans-serif;
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  border: none;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: all 0.3s ease;
}

.btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: #fff;
  transform: translateX(-110%) skewX(-12deg);
  transition: transform 0.4s ease;
}

.btn-primary:hover::before {
  transform: translateX(110%) skewX(-12deg);
}

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

.btn-outline {
  padding: 0.85rem 2rem;
  background: transparent;
  color: var(--white);
  font-family: 'Syne', sans-serif;
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  border: 1px solid var(--gray2);
  cursor: pointer;
  transition: all 0.3s ease;
}

.btn-outline:hover {
  border-color: var(--red);
  color: var(--red);
  box-shadow: 0 0 20px rgba(255, 0, 0, 0.1);
}

/* --- Scroll Indicator --- */
.hero-scroll {
  position: absolute;
  bottom: 2.5rem;
  left: 6%;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  color: var(--gray);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  animation: scrollBounce 2s ease-in-out infinite;
}

.hero-scroll::before {
  content: '';
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, transparent, var(--red));
}

@keyframes scrollBounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(6px); }
}

/* ============================================
   SECTIONS — Common Styles
   ============================================ */
section {
  padding: 6rem 6%;
}

.section-label {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.78rem;
  color: var(--red);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 0.8rem;
}

.section-label::before {
  content: '//';
  color: var(--gray2);
}

.section-title {
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
}

.section-title span {
  color: var(--red);
}

.divider {
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, var(--red), transparent);
  margin-bottom: 2.5rem;
}

/* ============================================
   ABOUT SECTION
   ============================================ */
#about {
  background: var(--black2);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: start;
}

.about-text p {
  color: #aaa;
  line-height: 1.9;
  font-size: 1rem;
  margin-bottom: 1.2rem;
}

.about-text p strong {
  color: var(--white);
}

.about-text p em {
  color: var(--red);
  font-style: normal;
  font-weight: 600;
}

.about-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-top: 2.5rem;
}

.stat-card {
  border: 1px solid var(--gray2);
  padding: 1.5rem;
  transition: border-color 0.3s;
}

.stat-card:hover {
  border-color: var(--red);
}

.stat-num {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--red);
  line-height: 1;
  margin-bottom: 0.4rem;
}

.stat-label {
  font-size: 0.82rem;
  color: var(--gray);
  letter-spacing: 0.05em;
}

.about-code {
  background: var(--black3);
  border: 1px solid var(--gray2);
  border-left: 3px solid var(--red);
  padding: 2rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.82rem;
  line-height: 2;
  color: #888;
  overflow-x: auto;
}

.about-code .c-key { color: #aaa; }
.about-code .c-val { color: var(--white); }
.about-code .c-str { color: #ff6b6b; }
.about-code .c-arr { color: var(--red); }

/* ============================================
   SKILLS SECTION
   ============================================ */
.skills-tabs {
  display: flex;
  gap: 0;
  margin-bottom: 3rem;
  border-bottom: 1px solid var(--gray2);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

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

.tab {
  padding: 0.8rem 1.8rem;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gray);
  cursor: pointer;
  border: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: all var(--transition-fast);
  background: transparent;
  font-family: 'Syne', sans-serif;
  white-space: nowrap;
}

.tab.active,
.tab:hover {
  color: var(--white);
  border-bottom-color: var(--red);
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 1rem;
}

.skill-card {
  background: var(--black2);
  border: 1px solid var(--gray2);
  padding: 1.4rem 1rem;
  text-align: center;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.skill-card::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--red);
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

.skill-card:hover {
  border-color: rgba(255, 0, 0, 0.4);
  transform: translateY(-4px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.5);
}

.skill-card:hover::before {
  transform: scaleX(1);
}

.skill-icon {
  font-size: 1.8rem;
  margin-bottom: 0.6rem;
}

.skill-name {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 0.3rem;
}

.skill-level {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.68rem;
  color: var(--red);
  letter-spacing: 0.1em;
}

.skills-panel {
  display: none;
}

.skills-panel.active {
  display: block;
}

/* ============================================
   CERTIFICATES SECTION
   ============================================ */
#certificates {
  background: var(--black);
}

.certificates-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 1rem;
}

.cert-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  background: var(--black2);
  border: 1px solid var(--gray2);
  padding: 1.25rem 1.5rem;
  position: relative;
  overflow: hidden;
  transition: all var(--transition-mid);
}

.cert-card::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--red);
  transform: scaleY(0);
  transform-origin: bottom;
  transition: transform 0.4s ease;
}

.cert-card:hover {
  border-color: rgba(255, 0, 0, 0.3);
  transform: translateY(-3px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.5);
}

.cert-card:hover::before {
  transform: scaleY(1);
}

.cert-icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--red-dim);
  border-radius: 8px;
}

.cert-icon svg {
  width: 22px;
  height: 22px;
  fill: var(--red);
}

.cert-content {
  flex: 1;
  min-width: 0;
}

.cert-title {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--white);
  line-height: 1.4;
  margin-bottom: 0.35rem;
}

.cert-meta {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  color: var(--gray);
  letter-spacing: 0.03em;
}

.cert-platform {
  color: var(--red);
  font-weight: 500;
}

.cert-separator {
  opacity: 0.4;
}

.cert-link {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border: 1px solid var(--gray2);
  border-radius: 6px;
  transition: all var(--transition-fast);
  text-decoration: none;
}

.cert-link svg {
  width: 16px;
  height: 16px;
  fill: var(--gray);
  transition: fill var(--transition-fast);
}

.cert-card:hover .cert-link {
  border-color: var(--red);
}

.cert-card:hover .cert-link svg {
  fill: var(--red);
}

/* ============================================
   PROJECTS SECTION
   ============================================ */
#projects {
  background: var(--black2);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.5rem;
}

.project-card {
  background: var(--black3);
  border: 1px solid var(--gray2);
  padding: 2rem;
  position: relative;
  overflow: hidden;
  transition: all var(--transition-mid);
}

.project-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--red), transparent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}

.project-card:hover {
  border-color: rgba(255, 0, 0, 0.3);
  transform: translateY(-6px);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6);
}

.project-card:hover::after {
  transform: scaleX(1);
}

.project-num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  color: var(--red);
  letter-spacing: 0.15em;
  margin-bottom: 1.2rem;
}

.project-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.8rem;
}

.project-desc {
  font-size: 0.9rem;
  color: #aaa;
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.8rem;
}

.tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  padding: 0.3rem 0.7rem;
  border: 1px solid var(--gray2);
  color: var(--gray);
  letter-spacing: 0.05em;
  transition: all var(--transition-fast);
}

.project-card:hover .tag {
  border-color: rgba(255, 0, 0, 0.3);
  color: #ccc;
}

.project-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--red);
  text-decoration: none;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: gap 0.3s;
}

.project-link:hover {
  gap: 0.9rem;
}

.project-link::after {
  content: '→';
}

/* ============================================
   CONTACT SECTION
   ============================================ */
#contact {
  text-align: center;
}

.contact-intro {
  font-size: 1.05rem;
  color: var(--gray);
  max-width: 500px;
  margin: 0 auto 3.5rem;
  line-height: 1.8;
}

.contact-intro strong {
  color: var(--white);
}

.contact-links {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1.5rem;
  margin-bottom: 3rem;
}

.contact-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 2rem;
  border: 1px solid var(--gray2);
  color: var(--white);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 600;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.contact-link:hover {
  border-color: var(--red);
  color: var(--red);
  box-shadow: 0 0 25px rgba(255, 0, 0, 0.1);
}

.contact-link .icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
}

.contact-link .icon svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

.contact-availability {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.78rem;
  color: var(--gray);
  letter-spacing: 0.1em;
}

.dot {
  width: 8px;
  height: 8px;
  background: #00ff88;
  border-radius: 50%;
  animation: blink 2s ease-in-out infinite;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

.contact-divider {
  max-width: 400px;
  margin: 0 auto 2.5rem;
}

/* ============================================
   FOOTER
   ============================================ */
footer {
  padding: 2rem 6%;
  border-top: 1px solid var(--gray2);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  color: var(--gray);
}

footer span {
  color: var(--red);
}

/* ============================================
   ANIMATIONS — Scroll Reveal
   ============================================ */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ============================================
   RESPONSIVE — Tablet (≤ 1024px)
   ============================================ */
@media (max-width: 1024px) {
  #hero {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    padding: 7rem 5% 4rem;
  }

  .hero-name {
    font-size: clamp(2.6rem, 6vw, 4.5rem);
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .projects-grid {
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  }
}

/* ============================================
   RESPONSIVE — Mobile (≤ 768px)
   ============================================ */
@media (max-width: 768px) {
  nav {
    padding: 1.2rem 4%;
  }

  .nav-links {
    display: none;
  }

  .nav-hamburger {
    display: flex;
  }

  section {
    padding: 4rem 4%;
  }

  #hero {
    padding: 7rem 4% 4rem;
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  #hero > .hero-photo {
    order: -1;
    margin-bottom: 0.5rem;
  }

  .hero-photo img {
    max-width: 280px;
  }

  .hero-scroll {
    display: none;
  }

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

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

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

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

  .skills-grid {
    grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
  }

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

  .contact-link {
    width: 100%;
    max-width: 360px;
    justify-content: center;
  }

  footer {
    flex-direction: column;
    gap: 0.5rem;
    text-align: center;
  }
}

/* ============================================
   RESPONSIVE — Small Mobile (≤ 480px)
   ============================================ */
@media (max-width: 480px) {
  .hero-name {
    font-size: clamp(2.2rem, 10vw, 3.2rem);
  }

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

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

  .hero-btns {
    flex-direction: column;
  }

  .btn-primary,
  .btn-outline {
    text-align: center;
  }
}