/* ============================================================
   PRANAV KUMAR PORTFOLIO — GLOBAL STYLES
   Colour Scheme: Black · Grey · White (Light Theme)
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Fira+Code:wght@300;400;500;600&family=Space+Grotesk:wght@300;400;500;600;700&display=swap');

/* ── CSS TOKENS ─────────────────────────────────────────── */
:root {
  /* Backgrounds */
  --clr-bg: #f8f8f8;
  --clr-surface: #ffffff;
  --clr-surface2: #f0f0f0;

  /* Borders */
  --clr-border: rgba(0, 0, 0, 0.1);

  /* Accent palette — monochrome */
  --clr-primary: #272626;
  --clr-secondary: #5B5A5A;
  --clr-accent: #7E7E7E;
  --clr-warn: #5B5A5A;

  /* Text */
  --clr-text: #272626;
  --clr-muted: #7E7E7E;
  --clr-white: #272626;
  /* used for "white" text → dark on light bg */

  /* Gradients */
  --grad-primary: linear-gradient(135deg, #272626 0%, #5B5A5A 100%);
  --grad-accent: linear-gradient(135deg, #5B5A5A 0%, #7E7E7E 100%);
  --grad-bg: linear-gradient(160deg, #ffffff 0%, #ececec 100%);
  --grad-card: linear-gradient(145deg, rgba(255, 255, 255, 0.95) 0%, rgba(245, 245, 245, 0.95) 100%);

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.07);
  --shadow-md: 0 4px 24px rgba(0, 0, 0, 0.10);
  --shadow-glow: 0 0 24px rgba(0, 0, 0, 0.08);
  --shadow-glow2: 0 0 32px rgba(0, 0, 0, 0.12);

  /* Radii */
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;

  /* Fonts */
  --font-primary: 'Space Grotesk', sans-serif;
  --font-code: 'Fira Code', monospace;
  --font-inter: 'Inter', sans-serif;

  --nav-h: 72px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background: var(--grad-bg);
  background-attachment: fixed;
  color: var(--clr-text);
  font-family: var(--font-primary);
  line-height: 1.7;
  overflow-x: hidden;
}

::selection {
  background: rgba(0, 0, 0, 0.12);
  color: #272626;
}

::-webkit-scrollbar {
  width: 6px;
}

::-webkit-scrollbar-track {
  background: #f0f0f0;
}

::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, #5B5A5A, #7E7E7E);
  border-radius: 999px;
}

/* ── CANVAS BACKGROUND ───────────────────────────────────── */
#bg-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  opacity: 0.18;
}

/* ── TYPOGRAPHY ──────────────────────────────────────────── */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-primary);
  font-weight: 700;
  line-height: 1.2;
  color: var(--clr-text);
}

.text-gradient {
  background: var(--grad-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.text-gradient-accent {
  background: var(--grad-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.code-text {
  font-family: var(--font-code);
  color: var(--clr-secondary);
  font-size: 0.85em;
}

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

a:hover {
  color: var(--clr-secondary);
}

/* ── GLASS CARD ──────────────────────────────────────────── */
.glass {
  background: var(--grad-card);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
}

.glass-sm {
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(0, 0, 0, 0.08);
  border-radius: var(--radius-sm);
}

.glow-card {
  box-shadow: var(--shadow-md), var(--shadow-glow);
  transition: var(--transition);
}

.glow-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.14), 0 0 0 1px rgba(0, 0, 0, 0.06);
}

/* ── NAVBAR ──────────────────────────────────────────────── */
.navbar-custom {
  height: var(--nav-h);
  background: #ffffff;
  border: 1px solid #000;
  border-radius: 999px;
  padding: 0 2rem;
  position: fixed;
  top: 14px;
  left: 50%;
  transform: translateX(-50%);
  width: calc(100% - 48px);
  max-width: 1750px;
  z-index: 1000;
  transition: var(--transition);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.07);
}

.navbar-custom.scrolled {
  background: #ffffff;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
  top: 10px;
}

.navbar-brand-custom {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--clr-text) !important;
  text-decoration: none;
}

.brand-avatar {
  width: 40px;
  height: 40px;
  background: var(--grad-primary);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  font-size: 0.9rem;
  color: #fff;
  flex-shrink: 0;
}

.nav-link-custom {
  color: var(--clr-muted) !important;
  font-weight: 500;
  font-size: 0.9rem;
  padding: 6px 16px !important;
  border-radius: 8px;
  transition: var(--transition);
  position: relative;
}

.nav-link-custom:hover,
.nav-link-custom.active {
  color: var(--clr-text) !important;
  background: rgba(0, 0, 0, 0.05);
}

.nav-link-custom.active::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 2px;
  background: var(--grad-primary);
  border-radius: 999px;
}

/* ── BUTTONS ─────────────────────────────────────────────── */
.btn-primary-custom {
  background: var(--grad-primary);
  color: #fff;
  border: none;
  padding: 12px 28px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  position: relative;
  overflow: hidden;
}

.btn-primary-custom::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255, 255, 255, 0.12);
  opacity: 0;
  transition: var(--transition);
}

.btn-primary-custom:hover::before {
  opacity: 1;
}

.btn-primary-custom:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
  color: #fff;
}

.btn-outline-custom {
  background: transparent;
  color: var(--clr-text);
  border: 1.5px solid rgba(0, 0, 0, 0.25);
  padding: 11px 28px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
}

.btn-outline-custom:hover {
  background: rgba(0, 0, 0, 0.04);
  border-color: rgba(0, 0, 0, 0.5);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.1);
  color: var(--clr-text);
}

.btn-accent-custom {
  background: #272626;
  color: #ffffff;
  border: none;
  padding: 12px 28px;
  border-radius: 10px;
  font-weight: 700;
  font-size: 0.9rem;
  cursor: pointer;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
}

.btn-accent-custom:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
  color: #ffffff;
  background: #5B5A5A;
}

/* ── SECTION HEADERS ─────────────────────────────────────── */
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(0, 0, 0, 0.05);
  border: 1px solid rgba(0, 0, 0, 0.12);
  color: var(--clr-secondary);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 1rem;
  font-family: var(--font-code);
}

.section-title {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 800;
  margin-bottom: 1rem;
  color: var(--clr-text);
}

.section-sub {
  color: var(--clr-muted);
  font-size: 1rem;
  max-width: 580px;
  margin: 0 auto;
}

.divider {
  width: 60px;
  height: 3px;
  background: var(--grad-primary);
  border-radius: 999px;
  margin: 1rem 0 2rem;
}

/* ── SKILL BADGES ────────────────────────────────────────── */
.skill-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(0, 0, 0, 0.05);
  border: 1px solid rgba(0, 0, 0, 0.12);
  color: var(--clr-text);
  font-size: 0.78rem;
  font-weight: 500;
  padding: 5px 12px;
  border-radius: 999px;
  font-family: var(--font-code);
  transition: var(--transition);
}

.skill-badge:hover {
  background: rgba(0, 0, 0, 0.08);
  border-color: rgba(0, 0, 0, 0.25);
  transform: scale(1.05);
}

.skill-badge.purple {
  background: rgba(0, 0, 0, 0.06);
  border-color: rgba(0, 0, 0, 0.15);
  color: #5B5A5A;
}

.skill-badge.green {
  background: rgba(0, 0, 0, 0.04);
  border-color: rgba(0, 0, 0, 0.1);
  color: #7E7E7E;
}

.skill-badge.yellow {
  background: rgba(0, 0, 0, 0.05);
  border-color: rgba(0, 0, 0, 0.12);
  color: #272626;
}

/* ── STAT COUNTERS ───────────────────────────────────────── */
.stat-card {
  text-align: center;
  padding: 1.5rem 1rem;
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 800;
  background: var(--grad-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: block;
}

.stat-label {
  color: var(--clr-muted);
  font-size: 0.82rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* ── PROGRESS BARS ───────────────────────────────────────── */
.skill-track {
  margin-bottom: 1.2rem;
}

.skill-track-label {
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 6px;
  color: var(--clr-text);
}

.skill-track-bar {
  height: 6px;
  background: rgba(0, 0, 0, 0.08);
  border-radius: 999px;
  overflow: hidden;
}

.skill-track-fill {
  height: 100%;
  border-radius: 999px;
  background: var(--grad-primary);
  width: 0;
  transition: width 1.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.skill-track-fill.purple-fill {
  background: linear-gradient(90deg, #444, #888);
}

.skill-track-fill.green-fill {
  background: linear-gradient(90deg, #222, #666);
}

/* ── TIMELINE ────────────────────────────────────────────── */
.timeline {
  position: relative;
  padding-left: 2rem;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, #272626 0%, #7E7E7E 50%, transparent 100%);
}

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

.timeline-dot {
  position: absolute;
  left: -2.55rem;
  top: 6px;
  width: 14px;
  height: 14px;
  background: var(--grad-primary);
  border-radius: 50%;
  border: 2px solid var(--clr-bg);
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.2);
}

.timeline-date {
  font-family: var(--font-code);
  font-size: 0.75rem;
  color: var(--clr-secondary);
  font-weight: 500;
  margin-bottom: 4px;
}

.timeline-title {
  font-weight: 700;
  font-size: 1rem;
  color: var(--clr-text);
  margin-bottom: 2px;
}

.timeline-sub {
  color: var(--clr-muted);
  font-size: 0.85rem;
}

/* ── PROJECT CARDS ───────────────────────────────────────── */
.project-card {
  position: relative;
  overflow: hidden;
  height: 100%;
}

.project-card .project-icon {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 1rem;
  flex-shrink: 0;
}

.project-card .project-tag {
  font-family: var(--font-code);
  font-size: 0.72rem;
  color: var(--clr-secondary);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.5rem;
}

.project-card .accuracy-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: rgba(0, 0, 0, 0.06);
  border: 1px solid rgba(0, 0, 0, 0.14);
  color: var(--clr-text);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 999px;
  font-family: var(--font-code);
}

.project-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--grad-primary);
  opacity: 0;
  transition: var(--transition);
}

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

/* ── CONTACT ITEMS ───────────────────────────────────────── */
.contact-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.2rem;
  border-radius: var(--radius-sm);
  background: rgba(0, 0, 0, 0.03);
  border: 1px solid rgba(0, 0, 0, 0.09);
  transition: var(--transition);
  text-decoration: none;
  color: var(--clr-text);
}

.contact-item:hover {
  background: rgba(0, 0, 0, 0.06);
  border-color: rgba(0, 0, 0, 0.2);
  transform: translateX(6px);
  color: var(--clr-text);
}

.contact-icon {
  width: 44px;
  height: 44px;
  background: var(--grad-primary);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  color: #fff;
  flex-shrink: 0;
}

/* ── FORM INPUTS ─────────────────────────────────────────── */
.form-control-custom {
  width: 100%;
  background: #fff;
  border: 1.5px solid rgba(0, 0, 0, 0.14);
  border-radius: var(--radius-sm);
  color: var(--clr-text);
  padding: 12px 16px;
  font-family: var(--font-primary);
  font-size: 0.9rem;
  transition: var(--transition);
  outline: none;
  resize: vertical;
}

.form-control-custom::placeholder {
  color: var(--clr-muted);
}

.form-control-custom:focus {
  border-color: #5B5A5A;
  background: #fff;
  box-shadow: 0 0 0 4px rgba(0, 0, 0, 0.07);
}

/* ── FOOTER ──────────────────────────────────────────────── */
.footer {
  border-top: 1px solid rgba(0, 0, 0, 0.1);
  padding: 2.5rem 0;
  background: rgba(245, 245, 245, 0.9);
  text-align: center;
  color: var(--clr-muted);
  font-size: 0.85rem;
}

.footer a {
  color: var(--clr-text);
}

.footer a:hover {
  color: #000;
}

/* ── REVEAL ANIMATIONS ───────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

.reveal-left {
  opacity: 0;
  transform: translateX(-30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.reveal-right {
  opacity: 0;
  transform: translateX(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal-right.visible {
  opacity: 1;
  transform: translateX(0);
}

/* ── SECTION SPACING ─────────────────────────────────────── */
.section-pad {
  padding: 100px 0;
  position: relative;
  z-index: 1;
}

.section-pad-sm {
  padding: 64px 0;
  position: relative;
  z-index: 1;
}

.page-top {
  padding-top: calc(var(--nav-h) + 60px);
}

/* ── HERO ────────────────────────────────────────────────── */
.hero-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  z-index: 1;
  padding-top: var(--nav-h);
}

.typing-cursor {
  display: inline-block;
  width: 3px;
  height: 1.1em;
  background: var(--clr-text);
  border-radius: 2px;
  animation: blink 0.8s steps(1) infinite;
  vertical-align: middle;
  margin-left: 4px;
}

@keyframes blink {

  0%,
  100% {
    opacity: 1;
  }

  50% {
    opacity: 0;
  }
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(0, 0, 0, 0.05);
  border: 1px solid rgba(0, 0, 0, 0.14);
  color: var(--clr-secondary);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 7px 16px;
  border-radius: 999px;
  margin-bottom: 1.5rem;
  font-family: var(--font-code);
}

.hero-badge .dot {
  width: 7px;
  height: 7px;
  background: #5B5A5A;
  border-radius: 50%;
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {

  0%,
  100% {
    transform: scale(1);
    opacity: 1;
  }

  50% {
    transform: scale(1.5);
    opacity: 0.5;
  }
}

/* ── FLOATING ────────────────────────────────────────────── */
.float-el {
  animation: floating 4s ease-in-out infinite;
}

@keyframes floating {

  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-12px);
  }
}

/* ── ACHIEVEMENT CARD ────────────────────────────────────── */
.achievement-card {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.1rem 1.3rem;
}

.achievement-icon {
  font-size: 1.6rem;
  flex-shrink: 0;
  width: 44px;
  text-align: center;
}

/* ── MOBILE ──────────────────────────────────────────────── */
@media (max-width: 768px) {
  .section-pad {
    padding: 70px 0;
  }

  .navbar-custom {
    padding: 0 1.2rem;
    width: calc(100% - 24px);
    top: 10px;
  }

  .hero-section {
    text-align: center;
  }

  .hero-section .d-flex.gap-3 {
    justify-content: center;
  }
}

/* ── BACK TO TOP ─────────────────────────────────────────── */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 44px;
  height: 44px;
  background: var(--grad-primary);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1rem;
  cursor: pointer;
  opacity: 0;
  transform: translateY(12px);
  transition: var(--transition);
  z-index: 999;
  border: none;
  box-shadow: var(--shadow-md);
}

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

.back-to-top:hover {
  transform: translateY(-3px);
}

/* ── LOGO POPUP ON HOVER ─────────────────────────────────── */
.logo-popup-wrap {
  position: relative;
  display: inline-block;
  cursor: pointer;
}

.logo-nav-img {
  width: 52px;
  height: 52px;
  object-fit: contain;
  /* border: 1px solid #000; */
  display: block;
  transition: transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.logo-popup-preview {
  position: absolute;
  top: calc(100% + 14px);
  left: 0;
  /* anchor to left edge of logo */
  transform: scale(0.7);
  transform-origin: top left;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease, transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  z-index: 2000;
  background: #ffffff;
  border-radius: 16px;
  padding: 16px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15), 0 0 0 1px rgba(0, 0, 0, 0.06);
}

.logo-popup-preview img {
  width: 180px;
  height: 180px;
  object-fit: contain;
  display: block;
}

/* Tiny arrow pointing up toward the logo */
.logo-popup-preview::before {
  content: '';
  position: absolute;
  top: -8px;
  left: 20px;
  /* arrow aligns with logo centre */
  transform: none;
  border-left: 8px solid transparent;
  border-right: 8px solid transparent;
  border-bottom: 8px solid #ffffff;
  filter: drop-shadow(0 -2px 2px rgba(0, 0, 0, 0.06));
}

/* Trigger on hover */
.logo-popup-wrap:hover .logo-nav-img {
  transform: scale(1.12);
}

.logo-popup-wrap:hover .logo-popup-preview {
  opacity: 1;
  transform: scale(1);
}

/* ── MOBILE SLIDER ───────────────────────────────────────── */
@media (max-width: 768px) {
  .mobile-slider {
    display: flex !important;
    flex-wrap: nowrap !important;
    overflow-x: auto !important;
    scroll-snap-type: x mandatory !important;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 2rem !important;
    padding-top: 1rem !important; 
    margin-right: -1rem;
    margin-left: -1rem;
    padding-left: 1rem;
    padding-right: 1rem;
  }
  .mobile-slider::-webkit-scrollbar { display: none; }
  .mobile-slider > * {
    flex: 0 0 85% !important;
    max-width: 85% !important;
    scroll-snap-align: center !important;
  }
}

/* ── MASONRY GRID ────────────────────────────────────────── */
.masonry-grid {
  column-count: 3;
  column-gap: 1.5rem;
  width: 100%;
}

@media (max-width: 992px) {
  .masonry-grid { column-count: 2; }
}

@media (max-width: 768px) {
  .masonry-grid { column-count: 1; }
}

.masonry-grid > .proj-item {
  break-inside: avoid;
  page-break-inside: avoid;
  margin-bottom: 1.5rem;
  display: inline-block;
  width: 100%;
}

/* ── CERTIFICATIONS SECTION ─────────────────────────────── */

/* Featured Certification Card */
.cert-featured {
  position: relative;
  overflow: hidden;
  padding: 2rem;
}

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

.cert-header-row {
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
}

@media (max-width: 768px) {
  .cert-header-row {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
}

.cert-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  flex-shrink: 0;
  background: linear-gradient(135deg, rgba(39, 38, 38, 0.08), rgba(126, 126, 126, 0.08));
  border: 1px solid rgba(0, 0, 0, 0.1);
}

/* Status Badge */
.cert-status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.72rem;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 999px;
  font-family: var(--font-code);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.cert-status.ongoing {
  background: rgba(39, 38, 38, 0.08);
  border: 1px solid rgba(0, 0, 0, 0.14);
  color: var(--clr-text);
}

.cert-status .pulse-dot {
  width: 6px;
  height: 6px;
  background: var(--clr-primary);
  border-radius: 50%;
  animation: pulse-dot 2s ease-in-out infinite;
}

.cert-status.completed {
  background: rgba(0, 0, 0, 0.06);
  border: 1px solid rgba(0, 0, 0, 0.12);
  color: var(--clr-muted);
}

/* Cert Meta */
.cert-platform {
  font-family: var(--font-code);
  font-size: 0.8rem;
  color: var(--clr-muted);
  font-weight: 500;
  margin-bottom: 0.25rem;
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.cert-platform .sep {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--clr-muted);
  flex-shrink: 0;
}

/* Progress Ring (SVG, circular) */
.cert-progress-ring {
  width: 100px;
  height: 100px;
  position: relative;
  flex-shrink: 0;
}

.cert-progress-ring svg {
  transform: rotate(-90deg);
  width: 100%;
  height: 100%;
}

.cert-progress-ring .ring-bg {
  fill: none;
  stroke: rgba(0, 0, 0, 0.08);
  stroke-width: 7;
}

.cert-progress-ring .ring-fill {
  fill: none;
  stroke: var(--clr-primary);
  stroke-width: 7;
  stroke-linecap: round;
  stroke-dasharray: 251.2;
  stroke-dashoffset: 251.2;
  transition: stroke-dashoffset 1.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.cert-progress-value {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--clr-text);
  font-family: var(--font-primary);
}

/* Linear Progress Bar (with shimmer) */
.cert-progress-bar {
  height: 8px;
  background: rgba(0, 0, 0, 0.06);
  border-radius: 999px;
  overflow: hidden;
  margin-top: 1.25rem;
}

.cert-progress-fill {
  height: 100%;
  border-radius: 999px;
  background: var(--grad-primary);
  width: 0;
  transition: width 1.8s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
}

.cert-progress-fill::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
  animation: cert-shimmer 2.5s ease-in-out infinite;
}

@keyframes cert-shimmer {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

.cert-progress-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 0.5rem;
  font-size: 0.78rem;
  color: var(--clr-muted);
  font-family: var(--font-code);
}

/* Module Cards */
.cert-module-card {
  position: relative;
  overflow: hidden;
  padding: 1.5rem;
  height: 100%;
  transition: var(--transition);
}

.cert-module-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--grad-primary);
  opacity: 0;
  transition: var(--transition);
}

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

.cert-module-icon {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
  margin-bottom: 1rem;
}

.cert-module-icon.done {
  background: rgba(39, 38, 38, 0.08);
  border: 1px solid rgba(0, 0, 0, 0.1);
  color: var(--clr-text);
}

.cert-module-icon.upcoming {
  background: rgba(0, 0, 0, 0.04);
  border: 1px solid rgba(0, 0, 0, 0.06);
  color: var(--clr-muted);
}

.cert-module-title {
  font-weight: 700;
  font-size: 0.92rem;
  color: var(--clr-text);
  margin-bottom: 0.25rem;
  line-height: 1.35;
}

.cert-module-hours {
  font-family: var(--font-code);
  font-size: 0.72rem;
  color: var(--clr-muted);
  font-weight: 500;
  margin-bottom: 0.6rem;
}

.cert-module-desc {
  font-size: 0.82rem;
  color: var(--clr-muted);
  line-height: 1.65;
  margin-bottom: 0.75rem;
}

.cert-module-skills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.cert-module-skill-tag {
  font-size: 0.68rem;
  font-weight: 500;
  padding: 3px 8px;
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.04);
  border: 1px solid rgba(0, 0, 0, 0.08);
  color: var(--clr-muted);
  font-family: var(--font-code);
  transition: var(--transition);
}

.cert-module-skill-tag:hover {
  background: rgba(0, 0, 0, 0.07);
  border-color: rgba(0, 0, 0, 0.15);
  color: var(--clr-text);
}

/* Curriculum Timeline Items */
.cert-curriculum-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.65rem 0.85rem;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  border: 1px solid transparent;
}

.cert-curriculum-item:hover {
  background: rgba(0, 0, 0, 0.03);
  border-color: rgba(0, 0, 0, 0.08);
}

.cert-curriculum-dot {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  flex-shrink: 0;
}

.cert-curriculum-dot.done {
  background: var(--clr-primary);
  color: #fff;
}

.cert-curriculum-dot.next {
  background: rgba(0, 0, 0, 0.06);
  border: 1.5px dashed rgba(0, 0, 0, 0.2);
  color: var(--clr-muted);
}

.cert-curriculum-dot.locked {
  background: rgba(0, 0, 0, 0.03);
  border: 1px solid rgba(0, 0, 0, 0.06);
  color: var(--clr-muted);
}

.cert-curriculum-name {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--clr-text);
  flex: 1;
}

.cert-curriculum-name.muted {
  color: var(--clr-muted);
  font-weight: 500;
}

.cert-curriculum-badge {
  font-family: var(--font-code);
  font-size: 0.68rem;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 999px;
  flex-shrink: 0;
}

.cert-curriculum-badge.done {
  background: rgba(0, 0, 0, 0.06);
  color: var(--clr-text);
}

.cert-curriculum-badge.next {
  border: 1px solid rgba(0, 0, 0, 0.15);
  color: var(--clr-text);
  background: rgba(0, 0, 0, 0.03);
}

.cert-curriculum-badge.locked {
  color: var(--clr-muted);
  background: rgba(0, 0, 0, 0.02);
}

/* Responsive Adjustments */
@media (max-width: 768px) {
  .cert-featured {
    padding: 1.5rem;
  }

  .cert-progress-ring {
    width: 80px;
    height: 80px;
  }

  .cert-progress-value {
    font-size: 1.1rem;
  }

  .cert-featured-content {
    flex-direction: column !important;
    align-items: center !important;
    text-align: center;
  }

  .cert-featured-info {
    align-items: center !important;
  }

  .cert-platform {
    justify-content: center;
  }

  .cert-featured-skills {
    justify-content: center !important;
  }
}