/* ═══════════════════════════════════════════
   SAMI PORTFOLIO — style.css
   Dark-first | Glassmorphism | Futuristic
═══════════════════════════════════════════ */

/* ── 1. CUSTOM PROPERTIES (TOKENS) ── */
:root {
  /* Core palette – dark */
  --bg-deep: #060611;
  --bg-mid: #0c0c1e;
  --bg-surface: #11112b;
  --bg-elevated: #18183a;

  /* Accent */
  --accent: #7c3aed;
  --accent-glow: rgba(124, 58, 237, 0.45);
  --accent-2: #06b6d4;
  --accent-2-glow: rgba(6, 182, 212, 0.35);
  --accent-3: #f97316;

  /* Text */
  --txt-primary: #f1f5f9;
  --txt-secondary: #94a3b8;
  --txt-muted: #64748b;

  /* Glass */
  --glass-bg: rgba(17, 17, 43, 0.55);
  --glass-border: rgba(124, 58, 237, 0.22);
  --glass-blur: 20px;

  /* Misc */
  --radius: 16px;
  --radius-sm: 8px;
  --radius-xl: 24px;
  --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow: 0 8px 40px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 40px var(--accent-glow);

  /* Nav */
  --nav-h: 70px;
}

/* Light theme overrides */
[data-theme="light"] {
  --bg-deep: #f0f0ff;
  --bg-mid: #e8e8ff;
  --bg-surface: #ddddf5;
  --bg-elevated: #cfcff0;
  --glass-bg: rgba(240, 240, 255, 0.72);
  --glass-border: rgba(124, 58, 237, 0.25);
  --txt-primary: #1e1b4b;
  --txt-secondary: #4338ca;
  --txt-muted: #6d6aac;
  --shadow: 0 8px 40px rgba(100, 80, 200, 0.12);
}

/* ── 2. RESET & BASE ── */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  width: 100%;
  overflow-x: hidden;
}

body {
  font-family: "Montserrat", sans-serif;
  background: var(--bg-deep);
  color: var(--txt-primary);
  line-height: 1.7;
  overflow-x: hidden;
  transition:
    background var(--transition),
    color var(--transition);
}

body.page-loading {
  overflow: hidden;
}

img,
svg {
  display: block;
  max-width: 100%;
}
a {
  text-decoration: none;
  color: inherit;
}
button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: inherit;
}
ul {
  list-style: none;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 clamp(16px, 4vw, 40px);
}

.section {
  padding: clamp(80px, 12vw, 140px) 0;
  position: relative;
}

/* ── 3. PRELOADER ── */
#preloader {
  position: fixed;
  inset: 0;
  background: var(--bg-deep);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 20px;
  z-index: 9999;
  transition:
    opacity 0.6s ease,
    visibility 0.6s ease;
}

#preloader.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.loader-ring {
  width: 64px;
  height: 64px;
  border: 3px solid var(--bg-elevated);
  border-top-color: var(--accent);
  border-right-color: var(--accent-2);
  border-radius: 50%;
  animation: spin 0.9s linear infinite;
}

.loader-text {
  font-family: "Space Mono", monospace;
  font-size: 12px;
  letter-spacing: 4px;
  color: var(--txt-muted);
}

.loader-dots {
  animation: blink 1.2s step-start infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}
@keyframes blink {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0;
  }
}

/* ── 4. NAVBAR ── */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-h);
  z-index: 1000;
  transition:
    background var(--transition),
    box-shadow var(--transition),
    backdrop-filter var(--transition);
}

.navbar.scrolled {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border-bottom: 1px solid var(--glass-border);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 clamp(16px, 4vw, 40px);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.nav-logo {
  font-family: "Space Mono", monospace;
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.5px;
  color: var(--txt-primary);
  transition: color var(--transition);
}

.logo-bracket {
  color: var(--accent);
  font-size: 1.1em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-link {
  position: relative;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 6px 12px;
  color: var(--txt-secondary);
  border-radius: var(--radius-sm);
  transition:
    color var(--transition),
    background var(--transition);
}

.nav-link::after {
  content: "";
  position: absolute;
  bottom: 2px;
  left: 50%;
  transform: translateX(-50%) scaleX(0);
  width: 70%;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
  transition: transform var(--transition);
}

.nav-link:hover,
.nav-link.active {
  color: var(--txt-primary);
  background: rgba(124, 58, 237, 0.1);
}

.nav-link:hover::after,
.nav-link.active::after {
  transform: translateX(-50%) scaleX(1);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

/* Theme toggle */
.theme-btn {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-elevated);
  border: 1px solid var(--glass-border);
  font-size: 1.1rem;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.theme-btn:hover {
  background: var(--accent);
  transform: rotate(20deg);
}

.theme-icon {
  position: absolute;
  transition: all 0.3s ease;
}
.theme-icon.sun {
  transform: translateY(0);
}
.theme-icon.moon {
  transform: translateY(40px);
}

[data-theme="light"] .theme-icon.sun {
  transform: translateY(-40px);
}
[data-theme="light"] .theme-icon.moon {
  transform: translateY(0);
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  cursor: pointer;
  z-index: 1001;
  border: none;
  background: transparent;
}

.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--txt-primary);
  border-radius: 2px;
  transition: all var(--transition);
  pointer-events: none;
}

.hamburger:hover span {
  background: var(--accent);
}

.hamburger.open span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}
.hamburger.open span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.hamburger.open span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile nav */
@media (max-width: 768px) {
  .hamburger {
    display: flex;
  }

  .nav-links {
    position: fixed;
    top: var(--nav-h);
    left: 0;
    right: 0;
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border-bottom: 1px solid var(--glass-border);
    flex-direction: column;
    padding: 20px;
    gap: 6px;
    transform: translateY(-200%);
    opacity: 0;
    visibility: hidden;
    transition:
      transform var(--transition),
      opacity var(--transition),
      visibility var(--transition);
    z-index: 1000;
    max-height: calc(100vh - var(--nav-h));
    overflow-y: auto;
  }

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

  .nav-link {
    width: 100%;
    text-align: center;
    padding: 12px;
  }

  /* --------- Responsive layout tweaks for broader mobile screens ---------- */
  .hero-inner {
    grid-template-columns: 1fr;
    gap: clamp(30px, 8vw, 60px);
    padding-top: 20px;
  }
  .hero-bio {
    max-width: 100%;
  }
  .hero-cta {
    justify-content: center;
  }
  .hero-socials {
    justify-content: center;
  }

  .about-grid {
    display: flex;
    flex-direction: column;
    gap: 40px;
  }
  .about-stats {
    grid-template-columns: 1fr 1fr;
  }

  /* shrink photo rings & wrapper so they don’t overflow */
  .hero-photo .outer-ring {
    width: 260px;
    height: 260px;
  }
  .hero-photo .mid-ring {
    width: 230px;
    height: 230px;
  }
  .photo-wrapper {
    width: 200px;
    height: 200px;
  }
}

/* ── 5. SECTION HEADER ── */
.section-header {
  text-align: center;
  margin-bottom: clamp(40px, 6vw, 70px);
}

.section-tag {
  font-family: "Space Mono", monospace;
  font-size: 0.75rem;
  color: var(--accent);
  letter-spacing: 4px;
  text-transform: uppercase;
  display: block;
  margin-bottom: 10px;
}

.section-title {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 800;
  letter-spacing: -0.5px;
  color: var(--txt-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
}

.icon-badge {
  font-size: 0.85em;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(124, 58, 237, 0.12);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  padding: 4px 8px;
}

.title-line {
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  border-radius: 3px;
  margin: 16px auto 0;
}

/* ── 6. GLASS CARD ── */
.glass-card {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  padding: clamp(20px, 4vw, 36px);
  position: relative;
  overflow: hidden;
  transition:
    transform var(--transition),
    box-shadow var(--transition),
    border-color var(--transition);
}

.glass-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow), var(--shadow-glow);
  border-color: rgba(124, 58, 237, 0.4);
}

.card-glow {
  position: absolute;
  top: -60px;
  right: -60px;
  width: 180px;
  height: 180px;
  background: var(--accent-glow);
  border-radius: 50%;
  filter: blur(60px);
  pointer-events: none;
  opacity: 0.5;
  transition: opacity var(--transition);
}

.glass-card:hover .card-glow {
  opacity: 0.9;
}

/* ── 7. BUTTONS ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 28px;
  border-radius: 100px;
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(255, 255, 255, 0.1);
  transform: translateX(-101%);
  transition: transform 0.4s ease;
  border-radius: inherit;
}

.btn:hover::before {
  transform: translateX(0);
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), #5b21b6);
  color: #fff;
  box-shadow: 0 4px 20px var(--accent-glow);
}

.btn-primary:hover {
  box-shadow: 0 8px 30px var(--accent-glow);
  transform: translateY(-2px);
}

.btn-outline {
  border: 2px solid var(--accent);
  color: var(--accent);
  background: transparent;
}

.btn-outline:hover {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 8px 30px var(--accent-glow);
  transform: translateY(-2px);
}

.btn-block {
  width: 100%;
  justify-content: center;
  border-radius: var(--radius);
}

.btn-sm {
  display: inline-block;
  padding: 8px 18px;
  border-radius: 100px;
  font-size: 0.78rem;
  font-weight: 600;
  transition: all var(--transition);
}

/* ── 8. HERO ── */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: var(--nav-h);
}

/* Animated gradient background */
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(
      ellipse 80% 60% at 10% 20%,
      rgba(124, 58, 237, 0.18) 0%,
      transparent 60%
    ),
    radial-gradient(
      ellipse 60% 60% at 90% 80%,
      rgba(6, 182, 212, 0.12) 0%,
      transparent 60%
    ),
    var(--bg-deep);
  animation: gradShift 8s ease-in-out infinite alternate;
}

@keyframes gradShift {
  0% {
    background-position: 0% 0%;
  }
  100% {
    background:
      radial-gradient(
        ellipse 80% 60% at 30% 70%,
        rgba(124, 58, 237, 0.22) 0%,
        transparent 60%
      ),
      radial-gradient(
        ellipse 60% 60% at 70% 20%,
        rgba(6, 182, 212, 0.15) 0%,
        transparent 60%
      ),
      var(--bg-deep);
  }
}

/* Grid overlay */
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(124, 58, 237, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(124, 58, 237, 0.05) 1px, transparent 1px);
  background-size: 50px 50px;
  mask-image: radial-gradient(
    ellipse 80% 80% at 50% 50%,
    black 30%,
    transparent 100%
  );
}

/* Floating shapes */
.hero-shapes {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.shape {
  position: absolute;
  border-radius: 50%;
  opacity: 0.12;
  animation: floatShape linear infinite;
}

.shape-1 {
  width: 300px;
  height: 300px;
  background: var(--accent);
  top: 10%;
  left: -5%;
  animation-duration: 20s;
}
.shape-2 {
  width: 200px;
  height: 200px;
  background: var(--accent-2);
  top: 60%;
  right: 5%;
  animation-duration: 15s;
  animation-delay: -5s;
}
.shape-3 {
  width: 150px;
  height: 150px;
  background: var(--accent-3);
  bottom: 20%;
  left: 30%;
  animation-duration: 18s;
  animation-delay: -8s;
}
.shape-4 {
  width: 80px;
  height: 80px;
  background: var(--accent);
  top: 30%;
  right: 25%;
  animation-duration: 12s;
  animation-delay: -3s;
  border-radius: 30%;
}
.shape-5 {
  width: 50px;
  height: 50px;
  background: var(--accent-2);
  top: 70%;
  left: 15%;
  animation-duration: 10s;
  animation-delay: -6s;
  border-radius: 20%;
}

@keyframes floatShape {
  0% {
    transform: translate(0, 0) rotate(0deg);
  }
  33% {
    transform: translate(30px, -20px) rotate(120deg);
  }
  66% {
    transform: translate(-20px, 30px) rotate(240deg);
  }
  100% {
    transform: translate(0, 0) rotate(360deg);
  }
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(40px, 6vw, 80px);
  align-items: center;
  position: relative;
  z-index: 1;
  padding-top: 40px;
  padding-bottom: 80px;
}

/* Hero text */
.hero-greeting {
  font-size: 1rem;
  color: var(--accent-2);
  font-weight: 600;
  letter-spacing: 1px;
  margin-bottom: 10px;
}

.hero-name {
  font-size: clamp(2.2rem, 5.5vw, 4rem);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -1.5px;
  margin-bottom: 16px;
}

.name-line {
  display: block;
}
.name-line.accent {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  display: flex;
  align-items: center;
  gap: 0;
  font-family: "Space Mono", monospace;
  font-size: clamp(0.85rem, 2vw, 1.1rem);
  color: var(--accent);
  margin-bottom: 20px;
  min-height: 30px;
}

.cursor-blink {
  color: var(--accent-2);
  animation: blink 0.8s step-start infinite;
  font-weight: 300;
  margin-left: 1px;
}

.hero-bio {
  font-size: 0.95rem;
  color: var(--txt-secondary);
  max-width: 480px;
  margin-bottom: 32px;
  line-height: 1.8;
}

.hero-cta {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 32px;
}

/* Hero socials */
.hero-socials {
  display: flex;
  gap: 12px;
}

.social-dot {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-elevated);
  border: 1px solid var(--glass-border);
  color: var(--txt-secondary);
  transition: all var(--transition);
}

.social-dot svg {
  width: 18px;
  height: 18px;
}

.social-dot:hover {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
  transform: translateY(-3px);
  box-shadow: 0 6px 20px var(--accent-glow);
}

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

.photo-ring {
  position: absolute;
  border-radius: 50%;
  animation: rotateSlow linear infinite;
}

.outer-ring {
  width: 340px;
  height: 340px;
  border: 1.5px dashed rgba(124, 58, 237, 0.4);
  animation-duration: 30s;
}

.mid-ring {
  width: 290px;
  height: 290px;
  border: 1.5px dashed rgba(6, 182, 212, 0.3);
  animation-duration: 20s;
  animation-direction: reverse;
}

@keyframes rotateSlow {
  to {
    transform: rotate(360deg);
  }
}

.photo-wrapper {
  width: 240px;
  height: 240px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  padding: 4px;
  box-shadow:
    0 0 60px var(--accent-glow),
    0 0 100px rgba(6, 182, 212, 0.2);
  position: relative;
  z-index: 2;
  animation: photoPulse 4s ease-in-out infinite;
}

@keyframes photoPulse {
  0%,
  100% {
    box-shadow:
      0 0 60px var(--accent-glow),
      0 0 100px rgba(6, 182, 212, 0.2);
  }
  50% {
    box-shadow:
      0 0 90px rgba(124, 58, 237, 0.7),
      0 0 140px rgba(6, 182, 212, 0.35);
  }
}

.photo-placeholder {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background: var(--bg-surface);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;

  overflow: hidden;
}

.avatar-icon {
  width: 56px;
  height: 56px;
  color: var(--txt-muted);
  opacity: 0.5;
}

.photo-initials {
  width: 100%;
  font-size: 2.5rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-family: "Space Mono", monospace;
}

.photo-badge {
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-radius: 100px;
  padding: 6px 18px;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--accent-2);
  white-space: nowrap;
  z-index: 3;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  animation: badgeBounce 2s ease-in-out infinite;
}

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

/* Scroll indicator */
.scroll-indicator {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--txt-muted);
  font-size: 0.72rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  z-index: 2;
  animation: fadeInUp 1s 2s both;
}

/* hide on small screens to avoid taking space */
@media (max-width: 768px) {
  .scroll-indicator {
    display: none;
  }
}

.scroll-wheel {
  width: 22px;
  height: 36px;
  border: 2px solid var(--txt-muted);
  border-radius: 20px;
  position: relative;
}

.scroll-wheel::after {
  content: "";
  position: absolute;
  top: 5px;
  left: 50%;
  transform: translateX(-50%);
  width: 3px;
  height: 6px;
  background: var(--accent);
  border-radius: 3px;
  animation: scrollDot 2s ease-in-out infinite;
}

@keyframes scrollDot {
  0% {
    top: 5px;
    opacity: 1;
  }
  100% {
    top: 22px;
    opacity: 0;
  }
}

/* ── 9. ABOUT ── */
.about-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: clamp(20px, 4vw, 40px);
  align-items: start;
}

.about-bio h3 {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--accent-2);
}

.about-bio p {
  color: var(--txt-secondary);
  margin-bottom: 14px;
  font-size: 0.92rem;
  line-height: 1.85;
}

.about-bio strong {
  color: var(--txt-primary);
}

.about-tags {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 20px;
}

.tag {
  background: rgba(124, 58, 237, 0.12);
  border: 1px solid var(--glass-border);
  border-radius: 100px;
  padding: 5px 14px;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--accent);
  transition: all var(--transition);
}

.tag:hover {
  background: var(--accent);
  color: #fff;
}

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

.stat-card {
  text-align: center;
  padding: 24px 16px;
  border-radius: var(--radius);
}

.stat-icon {
  font-size: 1.8rem;
  margin-bottom: 8px;
}

.stat-num {
  font-size: 2.4rem;
  font-weight: 900;
  font-family: "Space Mono", monospace;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}

.stat-num::after {
  content: "+";
}

.stat-label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--txt-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-top: 4px;
}

/* ── 10. SKILLS ── */
.skills {
  background: linear-gradient(
    to bottom,
    transparent,
    rgba(124, 58, 237, 0.03),
    transparent
  );
}

.skills-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(20px, 4vw, 40px);
}

.skills-cat-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 28px;
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--txt-primary);
}

.skill-bars {
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.skill-info {
  display: flex;
  justify-content: space-between;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--txt-secondary);
  margin-bottom: 8px;
}

.skill-pct {
  color: var(--accent);
  font-family: "Space Mono", monospace;
}

.skill-bar {
  height: 7px;
  background: var(--bg-elevated);
  border-radius: 10px;
  overflow: hidden;
}

.skill-fill {
  height: 100%;
  width: 0;
  border-radius: 10px;
  background: linear-gradient(
    90deg,
    var(--clr, var(--accent)),
    rgba(255, 255, 255, 0.3)
  );
  transition: width 1.2s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
}

.skill-fill::after {
  content: "";
  position: absolute;
  right: 0;
  top: 0;
  width: 10px;
  height: 100%;
  background: rgba(255, 255, 255, 0.5);
  border-radius: 50%;
  filter: blur(4px);
}

/* Circular progress */
.lang-pills {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.lang-pill {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 16px 8px;
  background: var(--bg-elevated);
  border-radius: var(--radius);
  border: 1px solid var(--glass-border);
  transition: all var(--transition);
}

.lang-pill:hover {
  border-color: var(--lang-clr, var(--accent));
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
}

.lang-circle {
  position: relative;
  width: 72px;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.circle-svg {
  width: 72px;
  height: 72px;
  transform: rotate(-90deg);
  position: absolute;
  inset: 0;
}

.circle-bg {
  fill: none;
  stroke: var(--bg-surface);
  stroke-width: 3;
}

.circle-prog {
  fill: none;
  stroke: var(--lang-clr, var(--accent));
  stroke-width: 3;
  stroke-linecap: round;
  stroke-dasharray: 100;
  stroke-dashoffset: 100;
  transition: stroke-dashoffset 1.4s cubic-bezier(0.4, 0, 0.2, 1);
  /* circumference ≈ 99.9 for r=15.9 */
}

.lang-pct {
  font-family: "Space Mono", monospace;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--lang-clr, var(--accent));
  position: relative;
  z-index: 1;
}

.lang-name {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--txt-primary);
  letter-spacing: 0.5px;
}

/* ── 11. PROJECTS ── */
.filter-btns {
  display: flex;
  gap: 10px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: clamp(30px, 5vw, 50px);
}

.filter-btn {
  padding: 8px 22px;
  border-radius: 100px;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  border: 1px solid var(--glass-border);
  background: transparent;
  color: var(--txt-secondary);
  transition: all var(--transition);
}

.filter-btn:hover,
.filter-btn.active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
  box-shadow: 0 4px 15px var(--accent-glow);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(16px, 3vw, 28px);
}

.project-card {
  border-radius: var(--radius-xl);
  padding: 0;
  overflow: hidden;
  transition: all var(--transition);
  border: 1px solid var(--glass-border);
}

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

.project-card:hover {
  transform: translateY(-8px);
  box-shadow:
    var(--shadow),
    0 0 30px var(--accent-glow);
}

.project-img {
  position: relative;
  height: 180px;
  overflow: hidden;
}

.project-img-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  transition: transform var(--transition);
}

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

.project-overlay {
  position: absolute;
  inset: 0;
  background: rgba(6, 0, 20, 0.7);
  backdrop-filter: blur(4px);
  display: flex;
  gap: 12px;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition);
}

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

.project-content {
  padding: clamp(16px, 3vw, 24px);
}

.project-tag {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--accent-2);
  background: rgba(6, 182, 212, 0.1);
  border: 1px solid rgba(6, 182, 212, 0.2);
  border-radius: 100px;
  padding: 3px 10px;
  display: inline-block;
  margin-bottom: 10px;
}

.project-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--txt-primary);
  margin-bottom: 8px;
}

.project-desc {
  font-size: 0.82rem;
  color: var(--txt-secondary);
  line-height: 1.7;
}

/* ── 12. BLOGS ── */
.blogs {
  background: linear-gradient(
    to bottom,
    transparent,
    rgba(6, 182, 212, 0.03),
    transparent
  );
}

.blogs-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(16px, 3vw, 28px);
}

.blog-card {
  border-radius: var(--radius-xl);
  padding: 0;
  overflow: hidden;
  transition: all var(--transition);
}

.blog-card:hover {
  transform: translateY(-6px);
}

.blog-img {
  position: relative;
  height: 150px;
  overflow: hidden;
}

.blog-img-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  transition: transform 0.4s ease;
}

.blog-card:hover .blog-img-placeholder {
  transform: scale(1.08);
}

.blog-cat-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(8px);
  border-radius: 100px;
  padding: 4px 12px;
  font-size: 0.7rem;
  font-weight: 700;
  color: #fff;
}

.blog-content {
  padding: clamp(16px, 3vw, 24px);
}

.blog-meta {
  display: flex;
  gap: 16px;
  font-size: 0.72rem;
  color: var(--txt-muted);
  margin-bottom: 10px;
}

.blog-content h3 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--txt-primary);
  margin-bottom: 8px;
  line-height: 1.5;
}

.blog-content p {
  font-size: 0.82rem;
  color: var(--txt-secondary);
  line-height: 1.7;
  margin-bottom: 16px;
}

.blog-read-more {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition:
    gap var(--transition),
    color var(--transition);
}

.blog-read-more span {
  font-size: 1rem;
  transition: transform var(--transition);
}

.blog-read-more:hover {
  color: var(--accent-2);
}
.blog-read-more:hover span {
  transform: translateX(4px);
}

/* ── 13. TESTIMONIALS ── */
.testimonials {
  background: linear-gradient(
    to bottom,
    transparent,
    rgba(124, 58, 237, 0.04),
    transparent
  );
}

.testimonial-slider {
  position: relative;
  overflow: hidden;
}

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

.testimonial-card {
  flex: 0 0 100%;
  border-radius: var(--radius-xl);
  max-width: auto;
  margin: 0 auto;
  text-align: center;
}

.quote-icon {
  font-size: 5rem;
  line-height: 1;
  color: var(--accent);
  opacity: 0.3;
  font-family: "Space Mono", monospace;
  margin-bottom: -20px;
}

.testimonial-text {
  font-size: clamp(0.9rem, 2vw, 1.1rem);
  color: var(--txt-secondary);
  line-height: 1.9;
  font-style: italic;
  max-width: 600px;
  margin: 0 auto 28px;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 14px;
  justify-content: center;
}

.author-avatar {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: 800;
  color: #fff;
  flex-shrink: 0;
}

.author-info {
  text-align: left;
}
.author-info strong {
  display: block;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--txt-primary);
}
.author-info span {
  font-size: 0.78rem;
  color: var(--txt-muted);
}

.testimonial-stars {
  color: #f59e0b;
  font-size: 1rem;
  margin-left: 12px;
  letter-spacing: 2px;
}

/* Slider controls */
.slider-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  margin-top: 30px;
}

.slider-btn {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--glass-border);
  background: var(--bg-elevated);
  color: var(--txt-secondary);
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
}

.slider-btn:hover {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
  transform: scale(1.1);
}

.slider-dots {
  display: flex;
  gap: 8px;
}

.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--bg-elevated);
  border: 1px solid var(--glass-border);
  transition: all var(--transition);
}

.dot.active {
  background: var(--accent);
  border-color: var(--accent);
  width: 24px;
  border-radius: 4px;
}

/* ── 14. SOCIAL SECTION ── */
.social-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(14px, 3vw, 24px);
}

.social-big-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  padding: clamp(24px, 4vw, 40px) 20px;
  border-radius: var(--radius-xl);
  transition: all var(--transition);
  cursor: pointer;
}

.social-big-icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-elevated);
  border: 1px solid var(--glass-border);
  transition: all var(--transition);
}

.social-big-icon svg {
  width: 26px;
  height: 26px;
}

.social-big-card span {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--txt-secondary);
  text-transform: uppercase;
  letter-spacing: 1px;
  transition: color var(--transition);
}

[data-platform="facebook"] .social-big-icon {
  color: #1877f2;
}
[data-platform="linkedin"] .social-big-icon {
  color: #0a66c2;
}
[data-platform="github"] .social-big-icon {
  color: var(--txt-primary);
}
[data-platform="email"] .social-big-icon {
  color: var(--accent);
}

.social-big-card:hover {
  transform: translateY(-8px);
}

[data-platform="facebook"]:hover {
  box-shadow: 0 12px 40px rgba(24, 119, 242, 0.25);
  border-color: rgba(24, 119, 242, 0.3);
}
[data-platform="linkedin"]:hover {
  box-shadow: 0 12px 40px rgba(10, 102, 194, 0.25);
  border-color: rgba(10, 102, 194, 0.3);
}
[data-platform="github"]:hover {
  box-shadow: 0 12px 40px rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
}
[data-platform="email"]:hover {
  box-shadow: 0 12px 40px var(--accent-glow);
  border-color: var(--accent);
}

.social-big-card:hover .social-big-icon {
  transform: scale(1.15) rotate(-5deg);
}
.social-big-card:hover span {
  color: var(--txt-primary);
}

/* ── 15. CONTACT ── */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: clamp(20px, 4vw, 40px);
  align-items: start;
}

.contact-info-card h3 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--accent-2);
}

.contact-info-card p {
  font-size: 0.88rem;
  color: var(--txt-secondary);
  line-height: 1.8;
  margin-bottom: 24px;
}

.contact-items {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

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

.contact-item-icon {
  font-size: 1.3rem;
  flex-shrink: 0;
  margin-top: 2px;
}

.contact-item strong {
  display: block;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--txt-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 2px;
}

.contact-item span {
  font-size: 0.88rem;
  color: var(--txt-primary);
}

/* Form */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-group {
  position: relative;
}

.form-group input,
.form-group textarea {
  width: 100%;
  background: var(--bg-elevated);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  padding: 18px 16px 8px;
  font-size: 0.9rem;
  font-family: inherit;
  color: var(--txt-primary);
  outline: none;
  transition:
    border-color var(--transition),
    box-shadow var(--transition),
    background var(--transition);
  resize: none;
}

.form-group textarea {
  min-height: 120px;
}

.form-group label {
  position: absolute;
  top: 14px;
  left: 16px;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--txt-muted);
  pointer-events: none;
  transition: all var(--transition);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group input:not(:placeholder-shown),
.form-group textarea:not(:placeholder-shown) {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
  background: var(--bg-surface);
}

.form-group input:focus ~ label,
.form-group textarea:focus ~ label,
.form-group input:not(:placeholder-shown) ~ label,
.form-group textarea:not(:placeholder-shown) ~ label {
  top: 4px;
  font-size: 0.7rem;
  color: var(--accent);
  font-weight: 700;
  letter-spacing: 0.5px;
}

/* use a transparent placeholder so label logic works */
.form-group input::placeholder,
.form-group textarea::placeholder {
  color: transparent;
}

.field-focus-bar {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  border-radius: 2px;
  transition: width var(--transition);
}

.form-group input:focus ~ .field-focus-bar,
.form-group textarea:focus ~ .field-focus-bar {
  width: 100%;
}

.field-error {
  display: block;
  font-size: 0.72rem;
  color: #ef4444;
  margin-top: 4px;
  opacity: 0;
  transform: translateY(-4px);
  transition: all var(--transition);
}

.form-group.error .field-error {
  opacity: 1;
  transform: translateY(0);
}
.form-group.error input,
.form-group.error textarea {
  border-color: #ef4444;
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.2);
}

/* Submit btn states */
.btn .btn-sending {
  display: none;
}
.btn.sending .btn-label {
  display: none;
}
.btn.sending .btn-sending {
  display: inline;
}
.btn.sending {
  opacity: 0.7;
  pointer-events: none;
}

/* Success message */
.form-success {
  display: none;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 20px;
  background: rgba(34, 197, 94, 0.1);
  border: 1px solid rgba(34, 197, 94, 0.3);
  border-radius: var(--radius);
  text-align: center;
  animation: popIn 0.4s ease;
}

.form-success.show {
  display: flex;
}
.form-success span {
  font-size: 2rem;
}
.form-success p {
  font-size: 0.9rem;
  color: #22c55e;
  font-weight: 600;
}

@keyframes popIn {
  0% {
    transform: scale(0.8);
    opacity: 0;
  }
  100% {
    transform: scale(1);
    opacity: 1;
  }
}

/* ── 16. FOOTER ── */
.footer {
  padding: 40px 0;
  border-top: 1px solid var(--glass-border);
  background: var(--bg-mid);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-logo {
  font-family: "Space Mono", monospace;
  font-size: 1.1rem;
  font-weight: 700;
}

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

.footer-socials {
  display: flex;
  gap: 12px;
}

.footer-socials a {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--glass-border);
  background: var(--bg-elevated);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--txt-muted);
  transition: all var(--transition);
}

.footer-socials a svg {
  width: 16px;
  height: 16px;
}

.footer-socials a:hover {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
  transform: translateY(-3px);
}

/* ── 17. BACK TO TOP ── */
.back-to-top {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), #5b21b6);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px var(--accent-glow);
  opacity: 0;
  transform: translateY(20px);
  transition:
    opacity var(--transition),
    transform var(--transition),
    box-shadow var(--transition);
  z-index: 900;
  pointer-events: none;
}

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

.back-to-top:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 30px var(--accent-glow);
}

/* ── 18. SCROLL REVEAL ANIMATIONS ── */
[class*="reveal-"] {
  opacity: 0;
  transition:
    opacity 0.7s ease,
    transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal-up {
  transform: translateY(40px);
}
.reveal-left {
  transform: translateX(-40px);
}
.reveal-right {
  transform: translateX(40px);
}

[class*="reveal-"].visible {
  opacity: 1;
  transform: translate(0);
}

.reveal-up:nth-child(1) {
  transition-delay: 0s;
}
.reveal-up:nth-child(2) {
  transition-delay: 0.1s;
}
.reveal-up:nth-child(3) {
  transition-delay: 0.2s;
}
.reveal-up:nth-child(4) {
  transition-delay: 0.3s;
}
.reveal-up:nth-child(5) {
  transition-delay: 0.4s;
}
.reveal-up:nth-child(6) {
  transition-delay: 0.5s;
}

/* Stagger for project / blog grids */
.projects-grid .project-card,
.blogs-grid .blog-card {
  opacity: 0;
  transform: translateY(40px);
  transition:
    opacity 0.6s ease,
    transform 0.6s ease;
}

.projects-grid .project-card.visible,
.blogs-grid .blog-card.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── 19. PAGE ENTRANCE ── */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Hero content entrance */
.hero-text {
  animation: fadeInUp 0.9s 0.3s both;
}
.hero-photo {
  animation: fadeInUp 0.9s 0.55s both;
}

/* ── 20. RESPONSIVE ── */
@media (max-width: 1024px) {
  .skills-grid {
    grid-template-columns: 1fr;
  }
  .lang-pills {
    grid-template-columns: repeat(4, 1fr);
  }
  .projects-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .blogs-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .social-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (max-width: 768px) {
  .hero-inner {
    grid-template-columns: 1fr;
    text-align: center;
    padding-top: 20px;
  }

  .hero-photo {
    order: -1;
  }

  .photo-ring,
  .outer-ring,
  .mid-ring {
    width: 220px;
    height: 220px;
  }

  .photo-wrapper {
    width: 170px;
    height: 170px;
  }

  .hero-cta,
  .hero-socials {
    justify-content: center;
  }

  .hero-bio {
    margin: 0 auto 32px;
  }

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

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

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

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

  .footer-inner {
    justify-content: center;
    text-align: center;
  }

  /* hide footer social icons on mobile */
  .footer-socials {
    display: none;
  }

  .outer-ring {
    width: 220px;
    height: 220px;
  }
  .mid-ring {
    width: 185px;
    height: 185px;
  }
}

@media (max-width: 480px) {
  .lang-pills {
    grid-template-columns: repeat(2, 1fr);
  }
  .social-grid {
    grid-template-columns: 1fr 1fr;
  }
  .about-stats {
    grid-template-columns: repeat(2, 1fr);
  }
  .filter-btns {
    gap: 6px;
  }
  .filter-btn {
    padding: 7px 14px;
    font-size: 0.75rem;
  }

  /* extra small adjustments for better full-width behaviour */
  .hero-greeting {
    font-size: 0.9rem;
  }
  .hero-name {
    font-size: clamp(1.8rem, 6vw, 3.4rem);
  }
  .hero-bio {
    font-size: 0.9rem;
  }
  .hero-cta a {
    padding: 10px 20px;
    font-size: 0.8rem;
  }

  .hero-photo .outer-ring {
    width: 200px;
    height: 200px;
  }
  .hero-photo .mid-ring {
    width: 160px;
    height: 160px;
  }
  .photo-wrapper {
    width: 160px;
    height: 160px;
  }

  /* make container paddings consistent and avoid side spacing */
  .container {
    padding: 0 16px;
  }
}

/* ── 21. UTILITY ── */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
}