/* ============================================================
   CHETAN PRAJAPAT — UNIVERSAL STYLESHEET
   universal.css | Navbar + Footer + Dark Mode
   Link this on EVERY page. No other dependency needed.
   ============================================================ */

/* ===================== CSS VARIABLES ===================== */

@import url('https://fonts.googleapis.com/css2?family=Anton&family=Bebas+Neue&family=Montserrat:wght@300;400;500;600;700&family=Sulphur+Point:wght@300;400;700&family=Zen+Dots&display=swap');
:root {
  /* Typography */
  --font-heading: 'Montserrat', sans-serif;
  --font-body: 'Sulphur Point', sans-serif;
  --font-mono: 'Carrois Gothic', sans-serif;
  --font-display: 'Anton', sans-serif;
  --font-zen: 'Zen Dots', sans-serif;
  --font-hero-sub: 'Carrois Gothic', sans-serif;

  /* Light Mode Colors */
  --bg-primary: #ffffff;
  --bg-secondary: #f8f9fa;
  --bg-card: #ffffff;
  --text-primary: #111827;
  --text-secondary: #4b5563;
  --text-muted: #9ca3af;
  --accent: #3b82f6;
  --accent-hover: #2563eb;
  --accent-alt: #06b6d4;
  --border-color: rgba(0, 0, 0, 0.08);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.14);
  --glass-bg: rgba(255, 255, 255, 0.08);
  --glass-border: rgba(255, 255, 255, 0.18);

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 2rem;
  --space-xl: 4rem;

  /* Border Radius */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;

  /* Section Padding */
  --section-pad-x: clamp(1.5rem, 5vw, 4rem);
  --section-pad-y: clamp(2rem, 5vw, 3.5rem);
}

/* ===================== DARK MODE VARIABLES ===================== */
/* Supports: body.dark-mode (index.html) AND [data-theme="dark"] (blog/other pages) */
body.dark-mode,
[data-theme='dark'] {
  --bg-primary: #0f0f13;
  --bg-secondary: #1a1a24;
  --bg-card: #1f2937;
  --text-primary: #f3f4f6;
  --text-secondary: #d1d5db;
  --text-muted: #9ca3af;
  --accent: #60a5fa;
  --accent-hover: #93c5fd;
  --accent-alt: #22d3ee;
  --border-color: rgba(255, 255, 255, 0.08);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.5);
  --glass-bg: rgba(255, 255, 255, 0.04);
  --glass-border: rgba(255, 255, 255, 0.08);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  overflow-y: scroll;
  padding-top: 60px; /* navbar height */
  transition:
    background-color var(--transition-base),
    color var(--transition-base);
}

::-webkit-scrollbar {
  display: none;
}
* {
  -ms-overflow-style: none;
  scrollbar-width: none;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
  transition: filter var(--transition-base);
}

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

/* ===================== HEADER ===================== */
header {
  position: relative;
  z-index: 1000;
}

/* ===================== NAVBAR ===================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 clamp(1rem, 4vw, 2.5rem);
  height: 60px;
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
  transition:
    background var(--transition-base),
    box-shadow var(--transition-base);
}

.navbar.scrolled {
  background: rgba(255, 255, 255, 0.82);
  box-shadow: var(--shadow-sm);
}

body.dark-mode .navbar.scrolled,
[data-theme='dark'] .navbar.scrolled {
  background: rgba(15, 15, 19, 0.92);
}

/* Logo */
.nav-logo {
  font-family: var(--font-zen);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
  text-decoration: none;
  letter-spacing: 0.04em;
  white-space: nowrap;
  transition: color var(--transition-fast);
}

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

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

/* Desktop links */
.nav-links {
  list-style: none;
  display: flex;
  align-items: center;
  gap: clamp(0.5rem, 2vw, 1.75rem);
  margin: 0;
  padding: 0;
}

.nav-link {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--text-secondary);
  text-decoration: none;
  padding: 4px 0;
  position: relative;
  transition: color var(--transition-fast);
  display: inline-flex;
  align-items: center;
  height: 28px; /* fixed height — font change se shift nahi hoga */
  line-height: 1;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-alt));
  border-radius: 2px;
  transition: width var(--transition-base);
}

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

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

/* Hire Me pill */
.nav-hire {
  padding: 6px 14px;
  border: 1.5px solid var(--accent);
  border-radius: var(--radius-full);
  color: var(--accent) !important;
  transition:
    background var(--transition-fast),
    color var(--transition-fast) !important;
}

.nav-hire::after {
  display: none;
}

.nav-hire:hover {
  background: var(--accent);
  color: #fff !important;
}

/* Right actions */
.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* ===================== THEME PILL ===================== */
.theme-pill {
  display: flex;
  align-items: center;
  background: var(--glass-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  padding: 3px;
  gap: 2px;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  flex-shrink: 0;
}

.tp-btn {
  width: 30px;
  height: 30px;
  border: none;
  background: transparent;
  border-radius: var(--radius-full);
  cursor: pointer;
  font-size: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
  transition:
    background var(--transition-fast),
    transform var(--transition-fast);
}

.tp-btn:hover {
  transform: scale(1.15);
}

.tp-btn.active {
  background: var(--bg-secondary);
  box-shadow: var(--shadow-sm);
}

/* ===================== HAMBURGER ===================== */
.nav-hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-hamburger span {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--text-primary);
  border-radius: 2px;
  transition:
    transform 0.35s ease,
    opacity 0.25s ease,
    width 0.3s ease;
  transform-origin: center;
}

.nav-hamburger.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-hamburger.open span:nth-child(2) {
  opacity: 0;
  width: 0;
}
.nav-hamburger.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ===================== MOBILE DRAWER ===================== */
.nav-drawer {
  position: fixed;
  top: 60px;
  left: 0;
  right: 0;
  z-index: 9998;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom: 1px solid var(--border-color);
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transition:
    max-height 0.38s cubic-bezier(0.4, 0, 0.2, 1),
    opacity 0.28s ease;
}

body.dark-mode .nav-drawer,
[data-theme='dark'] .nav-drawer {
  background: rgba(15, 15, 19, 0.97);
}

.nav-drawer.open {
  max-height: 420px;
  opacity: 1;
}

.nav-drawer ul {
  list-style: none;
  padding: 0.75rem 1.5rem 1.25rem;
  margin: 0;
  display: flex;
  flex-direction: column;
}

.nav-drawer ul li a {
  display: block;
  padding: 0.7rem 0;
  font-family: var(--font-mono);
  font-size: 0.88rem;
  font-weight: 600;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--text-secondary);
  text-decoration: none;
  border-bottom: 1px solid var(--border-color);
  transition:
    color var(--transition-fast),
    padding-left var(--transition-fast);
}

.nav-drawer ul li:last-child a {
  border-bottom: none;
}

.nav-drawer ul li a:hover,
.nav-drawer ul li a.active {
  color: var(--accent);
  padding-left: 6px;
}

/* ===================== FOOTER ===================== */
.footer {
  background-color: transparent;
  padding: 3rem 1.5rem 1.5rem;
  text-align: center;
  font-family: Arial, sans-serif;
  margin-top: clamp(3rem, 10vw, 6rem);
  border-top: 1px solid var(--border-color);
}

.footer-container h2 {
  font-size: clamp(1.4rem, 3.5vw, 2rem);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 1.25rem;
}

.social-icons {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.5rem 0.75rem;
  margin-bottom: 1.25rem;
}

.social-icons a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1.5px solid var(--border-color);
  color: var(--text-primary);
  font-size: 1.2rem;
  text-decoration: none;
  background: var(--glass-bg);
  transition:
    color var(--transition-fast),
    transform var(--transition-fast),
    background var(--transition-fast),
    border-color var(--transition-fast),
    box-shadow var(--transition-fast);
}

.social-icons a:hover {
  color: var(--accent);
  transform: translateY(-5px);
  background: var(--bg-secondary);
  border-color: var(--accent);
  box-shadow: 0 6px 18px rgba(59, 130, 246, 0.25);
}

/* Resume Button */
button.resume-btn {
  margin-top: 1rem;
  padding: 0.6rem 1.75rem;
  font-size: 1rem;
  cursor: pointer;
  background-color: transparent;
  border: 2px solid var(--text-primary);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-weight: 700;
  transition:
    transform var(--transition-fast),
    background var(--transition-fast),
    color var(--transition-fast);
}

button.resume-btn a {
  text-decoration: none;
  color: inherit;
}

button.resume-btn:hover {
  transform: rotate(2deg) scale(1.04);
  background: var(--text-primary);
  color: var(--bg-primary);
}

/* Footer Bottom */
.footer-bottom {
  margin-top: 1.25rem;
  font-size: 0.875rem;
  color: var(--text-secondary);
  border-top: 1px solid var(--border-color);
  padding-top: 0.75rem;
}

.footer-bottom a {
  color: var(--text-primary);
  font-weight: 600;
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer-bottom a:hover {
  color: var(--accent);
  text-decoration: underline;
}

/* Footer Legal Links */
.footer-legal {
  margin-top: 0.75rem;
  font-size: 0.8rem;
  color: var(--text-muted);
  display: flex;
  gap: 0.5rem;
  justify-content: center;
  align-items: center;
}

.footer-legal a {
  color: var(--text-muted);
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

/* ===================== DARK MODE — NAVBAR & FOOTER ===================== */
body.dark-mode .footer-container h2,
[data-theme='dark'] .footer-container h2,
body.dark-mode footer a,
[data-theme='dark'] footer a {
  color: var(--text-primary);
}

body.dark-mode button.resume-btn,
[data-theme='dark'] button.resume-btn {
  border-color: rgba(255, 255, 255, 0.6);
}

body.dark-mode button.resume-btn:hover,
[data-theme='dark'] button.resume-btn:hover {
  background: #ffffff;
  color: #0f0f13;
}

/* ===================== NAVBAR RESPONSIVE ===================== */
@media (max-width: 380px) {
  .navbar {
    padding: 0 0.75rem;
    height: 54px;
  }
  .nav-logo {
    font-size: 0.95rem;
  }
  .nav-drawer {
    top: 54px;
  }
  body {
    padding-top: 54px;
  }
  .theme-pill {
    padding: 2px;
    gap: 1px;
  }
  .tp-btn {
    width: 24px;
    height: 24px;
    font-size: 11px;
  }
}

@media (max-width: 600px) {
  .navbar {
    padding: 0 1rem;
  }
  .nav-logo {
    font-size: 1rem;
  }
  .theme-pill {
    padding: 2px;
    gap: 1px;
  }
  .tp-btn {
    width: 26px;
    height: 26px;
    font-size: 12px;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }
  .nav-hamburger {
    display: flex;
  }
  .nav-actions {
    gap: 0.4rem;
  }
  .tp-btn {
    width: 27px;
    height: 27px;
    font-size: 13px;
  }
  .mobile-navbar {
    height: 300px;
    display: flex;
    flex-direction: column;
    justify-content: space-around;
    align-items: center;
  }
}

@media (min-width: 769px) {
  .nav-drawer {
    display: none !important;
  }
}

@media (min-width: 769px) and (max-width: 900px) {
  .nav-links {
    gap: 0.75rem;
  }
  .nav-link {
    font-size: 0.75rem;
    letter-spacing: 0.04em;
  }
  .nav-hire {
    padding: 5px 10px;
  }
}

/* ===================== FOOTER RESPONSIVE ===================== */
@media (max-width: 420px) {
  .footer-container h2 {
    font-size: 1.2rem;
  }
  .social-icons a {
    width: 36px;
    height: 36px;
    font-size: 1rem;
  }
}

@media (max-width: 600px) {
  .footer {
    padding: 2rem 1rem 1rem;
    margin-top: 2.5rem;
  }
  .footer-container h2 {
    font-size: 1.4rem;
  }
  .social-icons a {
    width: 38px;
    height: 38px;
    font-size: 1.05rem;
  }
  button.resume-btn {
    font-size: 0.9rem;
    padding: 0.5rem 1.35rem;
  }
}

@media (max-width: 768px) {
  .footer-container h2 {
    font-size: 1.6rem;
  }
  .social-icons a {
    font-size: 1.15rem;
    width: 40px;
    height: 40px;
  }
}

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