/* ============================================
   GLOBAL STYLES - Bhavya Sharma Portfolio
   Clean White/Black Professional Design
   ============================================ */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700;800;900&family=Space+Grotesk:wght@400;500;600;700&display=swap');

:root {
  /* ---- Base Colors ---- */
  --bg-primary:    #ffffff;
  --bg-secondary:  #f7f7f8;
  --bg-card:       #ffffff;
  --bg-card-alt:   #f2f2f4;
  --black:         #0a0a0a;
  --black-soft:    #1a1a1a;
  --gray-dark:     #333333;
  --gray:          #666666;
  --gray-light:    #999999;
  --gray-border:   #e5e5e5;
  --white:         #ffffff;

  /* ---- Accent Colors ---- */
  --accent:        #6d28d9;        /* deep purple */
  --accent-light:  #8b5cf6;
  --accent-2:      #0891b2;        /* teal/cyan */
  --accent-2-light:#22d3ee;
  --accent-3:      #db2777;        /* pink */
  --accent-green:  #059669;

  /* ---- Gradients ---- */
  --grad-main:     linear-gradient(135deg, #6d28d9, #0891b2);
  --grad-pink:     linear-gradient(135deg, #db2777, #6d28d9);
  --grad-teal:     linear-gradient(135deg, #0891b2, #059669);

  /* ---- Shadows ---- */
  --shadow-sm:     0 2px 8px rgba(0,0,0,0.06);
  --shadow-md:     0 8px 30px rgba(0,0,0,0.10);
  --shadow-lg:     0 20px 60px rgba(0,0,0,0.12);
  --shadow-accent: 0 8px 30px rgba(109,40,217,0.20);

  /* ---- Borders ---- */
  --border:        #e5e5e5;
  --border-dark:   #d0d0d0;

  --transition:    all 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --radius:        16px;
  --radius-lg:     24px;
}

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

html { scroll-behavior: smooth; overflow-x: hidden; }

body {
  font-family: 'Poppins', sans-serif;
  background: var(--bg-primary);
  color: var(--black);
  overflow-x: hidden;
  /* cursor: none only on desktop via JS */
}

/* hide default scrollbar on body, use custom */
html::-webkit-scrollbar { width: 4px; }
html::-webkit-scrollbar-track { background: var(--bg-secondary); }
html::-webkit-scrollbar-thumb { background: var(--accent); border-radius: 4px; }

/* ===== CUSTOM CURSOR — desktop only ===== */
@media (hover: hover) and (pointer: fine) {
  body { cursor: none; }

  #cursor {
    width: 10px; height: 10px;
    background: var(--accent);
    border-radius: 50%;
    position: fixed;
    pointer-events: none;
    z-index: 999999;
    transform: translate(-50%, -50%);
    transition: transform 0.1s ease, width 0.3s, height 0.3s;
    opacity: 0;
  }

  #cursor-ring {
    width: 34px; height: 34px;
    border: 1.5px solid rgba(109,40,217,0.4);
    border-radius: 50%;
    position: fixed;
    pointer-events: none;
    z-index: 999998;
    transform: translate(-50%, -50%);
    transition: all 0.12s ease;
    opacity: 0;
  }

  #cursor.active, #cursor-ring.active { opacity: 1; }
}

/* Hide cursor elements on touch devices */
@media (hover: none), (pointer: coarse) {
  #cursor, #cursor-ring { display: none !important; }
}

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar { width: 3px; }
::-webkit-scrollbar-track { background: var(--bg-secondary); }
::-webkit-scrollbar-thumb { background: var(--accent); border-radius: 3px; }

/* ===== SELECTION ===== */
::selection { background: rgba(109,40,217,0.15); color: var(--black); }

/* ===== SECTION BASE ===== */
section { padding: 100px 80px; position: relative; overflow: hidden; }

.container { max-width: 1200px; margin: 0 auto; }

/* ===== SECTION HEADER ===== */
.section-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(109,40,217,0.08);
  border: 1px solid rgba(109,40,217,0.18);
  color: var(--accent);
  padding: 6px 16px;
  border-radius: 50px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.section-badge::before {
  content: '';
  width: 6px; height: 6px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse-dot 1.5s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.4; transform: scale(0.6); }
}

.section-title {
  font-size: clamp(2rem, 4vw, 3.4rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -1px;
  color: var(--black);
  margin-bottom: 16px;
}

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

.section-desc {
  color: var(--gray);
  font-size: 1rem;
  line-height: 1.8;
  max-width: 560px;
}

/* ===== DIVIDER LINE ===== */
.divider {
  width: 48px; height: 3px;
  background: var(--grad-main);
  border-radius: 3px;
  margin-bottom: 20px;
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 28px;
  border-radius: 50px;
  font-size: 0.88rem;
  font-weight: 600;
  text-decoration: none;
  transition: var(--transition);
  cursor: pointer;
  border: none;
  font-family: 'Poppins', sans-serif;
  letter-spacing: 0.2px;
  white-space: nowrap;
  line-height: 1.4;
}

.btn svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.btn-primary {
  background: var(--black);
  color: var(--white);
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  background: var(--accent);
  transform: translateY(-3px);
  box-shadow: var(--shadow-accent);
}

.btn-outline {
  background: transparent;
  color: var(--black);
  border: 1.5px solid var(--border-dark);
}

.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-3px);
  box-shadow: var(--shadow-sm);
}

.btn-accent {
  background: var(--grad-main);
  color: var(--white);
  box-shadow: var(--shadow-accent);
}

.btn-accent:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(109,40,217,0.35);
}

/* ===== CARDS ===== */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.card:hover {
  box-shadow: var(--shadow-lg);
  border-color: var(--border-dark);
  transform: translateY(-6px);
}

/* ===== FOOTER ===== */
footer { background: var(--black); color: var(--white); }

/* ===== REVEAL ANIMATIONS ===== */
[data-reveal] {
  opacity: 0;
  transition: opacity 0.85s ease, transform 0.85s ease;
}

[data-reveal="up"]    { transform: translateY(50px); }
[data-reveal="left"]  { transform: translateX(-50px); }
[data-reveal="right"] { transform: translateX(50px); }
[data-reveal="scale"] { transform: scale(0.88); }
[data-reveal="fade"]  { transform: none; }

[data-reveal].revealed {
  opacity: 1;
  transform: translate(0) scale(1);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  section:not(.hero) { padding: 80px 50px; }

  /* Tablet — reduce hero top padding */
  .about-hero,
  .services-hero,
  .skills-hero,
  .projects-hero,
  .contact-hero {
    padding-top: 110px;
    padding-left: 50px;
    padding-right: 50px;
  }
}

@media (max-width: 768px) {
  section:not(.hero) { padding: 60px 24px; }
  #cursor, #cursor-ring { display: none !important; }
  body { cursor: auto; }

  /* Mobile — navbar is ~64px, add safe gap */
  .about-hero,
  .services-hero,
  .skills-hero,
  .projects-hero,
  .contact-hero {
    padding-top: 90px !important;
    padding-bottom: 44px !important;
    padding-left: 24px !important;
    padding-right: 24px !important;
  }
}

@media (max-width: 480px) {
  section:not(.hero) { padding: 50px 18px; }

  .about-hero,
  .services-hero,
  .skills-hero,
  .projects-hero,
  .contact-hero {
    padding-top: 84px !important;
    padding-left: 18px !important;
    padding-right: 18px !important;
  }
}