/* ════════════════════════════════════════════
   PROCESS — 3D Icons + Live Animations
   SKILLS — 3D Cards + Animated Bars
   CERTS  — 3D Flip Timeline
   sections.css
════════════════════════════════════════════ */

/* ════════════════════════════════════════════
   PROCESS SECTION — FULL 3D REDESIGN
════════════════════════════════════════════ */
#process {
  background: var(--black2);
  position: relative;
  z-index: 2;
  overflow: hidden;
}

/* Floating ambient background spheres */
#process::before,
#process::after {
  content: '';
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  pointer-events: none;
}
#process::before {
  width: 500px; height: 500px;
  background: rgba(255,184,0,0.05);
  top: -100px; left: -100px;
}
#process::after {
  width: 400px; height: 400px;
  background: rgba(255,107,53,0.05);
  bottom: -100px; right: -100px;
}

/* ── Process cards row ── */
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  perspective: 1200px;
}

.process-step {
  background: var(--surface);
  border: 1px solid var(--border2);
  border-radius: 24px;
  padding: 40px 28px 36px;
  position: relative;
  overflow: hidden;
  transform-style: preserve-3d;
  transition:
    transform 0.5s cubic-bezier(0.22,1,0.36,1),
    box-shadow 0.5s ease,
    border-color 0.5s ease;
  cursor: default;
  display: flex;
  flex-direction: column;
  height: 100%;
}
.process-step:hover {
  transform: translateY(-18px) rotateX(8deg) rotateY(-4deg);
  box-shadow:
    0 40px 80px rgba(0,0,0,0.7),
    0 0 60px rgba(255,184,0,0.1),
    inset 0 1px 0 rgba(255,184,0,0.2);
  border-color: rgba(255,184,0,0.35);
}

/* Gradient top border glow that appears on hover */
.process-step::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--gold), var(--coral), var(--gold));
  background-size: 200% 100%;
  opacity: 0;
  transition: opacity 0.4s;
  animation: shimmerBorder 3s linear infinite;
}
@keyframes shimmerBorder {
  0%   { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}
.process-step:hover::before { opacity: 1; }

/* Large ghost number */
.process-step::after {
  content: attr(data-step);
  position: absolute;
  bottom: -15px; right: 12px;
  font-family: var(--font-display);
  font-size: 8rem; font-weight: 700; font-style: italic;
  color: rgba(255,184,0,0.04);
  line-height: 1; pointer-events: none; user-select: none;
  transition: color 0.4s;
}
.process-step:hover::after { color: rgba(255,184,0,0.08); }

/* ── 3D Icon ── */
.step-icon-3d {
  width: 72px; height: 72px;
  margin-bottom: 28px;
  position: relative;
  transform-style: preserve-3d;
  animation: floatShape 4s ease-in-out infinite;
}
/* Each step gets a different delay */
.process-step:nth-child(1) .step-icon-3d { animation-delay: 0s; }
.process-step:nth-child(2) .step-icon-3d { animation-delay: 1s; }
.process-step:nth-child(3) .step-icon-3d { animation-delay: 2s; }
.process-step:nth-child(4) .step-icon-3d { animation-delay: 3s; }

/* 3D cube face */
.icon-cube {
  width: 64px; height: 64px;
  border-radius: 18px;
  display: flex; align-items: center; justify-content: center;
  position: relative;
  background: linear-gradient(135deg, var(--gold-dim) 0%, rgba(255,107,53,0.1) 100%);
  border: 1px solid rgba(255,184,0,0.25);
  font-size: 2rem;
  box-shadow:
    0 8px 32px rgba(0,0,0,0.4),
    0 0 0 1px rgba(255,184,0,0.08),
    inset 0 1px 0 rgba(255,255,255,0.07);
  transition: box-shadow 0.4s;
}
.process-step:hover .icon-cube {
  box-shadow:
    0 16px 48px rgba(0,0,0,0.5),
    0 0 40px rgba(255,184,0,0.25),
    inset 0 1px 0 rgba(255,255,255,0.1);
}
/* 3D bottom shadow plane */
.icon-cube::after {
  content: '';
  position: absolute;
  bottom: -8px; left: 8px; right: 8px;
  height: 16px;
  background: linear-gradient(to bottom, rgba(255,184,0,0.15), transparent);
  border-radius: 0 0 10px 10px;
  filter: blur(6px);
}

.step-num {
  font-family: var(--font-head);
  font-size: 0.65rem; font-weight: 700;
  letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--gold); margin-bottom: 14px;
  opacity: 0.8;
}
.step-title {
  font-family: var(--font-head);
  font-size: 1.05rem; font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--cream); margin-bottom: 12px;
}
.step-desc {
  font-size: 0.84rem; color: var(--muted2); line-height: 1.8;
}

/* ── Connector line between steps ── */
.process-connector {
  display: flex;
  align-items: center;
  justify-content: center;
  grid-column: span 4;
  padding: 12px 0;
  gap: 0;
}
.connector-line {
  flex: 1; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,184,0,0.2), transparent);
}
.connector-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--gold);
  opacity: 0.4;
  margin: 0 20px;
}

/* ════════════════════════════════════════════
   SKILLS SECTION — 3D Animated Cards + Progress
════════════════════════════════════════════ */
#skills {
  background: var(--black);
  position: relative; z-index: 2;
  overflow: visible;
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.skill-card-wrapper {
  position: relative;
  height: 162px;
  z-index: 1;
  transition: z-index 0.35s;
}

.skill-card-wrapper.active-wrapper {
  z-index: 50;
}

.skill-card {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  background: var(--surface);
  border: 1px solid var(--border2);
  border-radius: 24px;
  padding: 30px 28px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  overflow: hidden;
  height: 162px;
  z-index: 1;
  transition: 
    height 0.35s cubic-bezier(0.25, 1, 0.5, 1),
    transform 0.35s cubic-bezier(0.25, 1, 0.5, 1),
    box-shadow 0.35s ease,
    border-color 0.35s ease;
}

.skill-card.expanded {
  z-index: 50;
  transform: scale(1.02);
  box-shadow: 0 30px 60px rgba(0,0,0,0.85), 0 0 40px rgba(255, 184, 0, 0.15);
  border-color: rgba(255, 184, 0, 0.35);
  background: var(--surface);
  overflow: visible;
}



/* ── 3D Icon ── */
.skill-icon-3d {
  width: 64px; height: 64px;
  margin-bottom: 22px;
  position: relative;
  animation: floatShape 5s ease-in-out infinite;
}
.skill-card:nth-child(1) .skill-icon-3d { animation-delay: 0s; }
.skill-card:nth-child(2) .skill-icon-3d { animation-delay: 0.8s; }
.skill-card:nth-child(3) .skill-icon-3d { animation-delay: 1.6s; }
.skill-card:nth-child(4) .skill-icon-3d { animation-delay: 0.4s; }
.skill-card:nth-child(5) .skill-icon-3d { animation-delay: 1.2s; }
.skill-card:nth-child(6) .skill-icon-3d { animation-delay: 2.0s; }

.skill-icon-face {
  width: 60px; height: 60px;
  border-radius: 16px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.8rem;
  position: relative;
  box-shadow:
    0 8px 24px rgba(0,0,0,0.4),
    inset 0 1px 0 rgba(255,255,255,0.08);
  transition: box-shadow 0.4s, transform 0.4s;
}
.skill-card:hover .skill-icon-face {
  transform: translateZ(16px) scale(1.08);
  box-shadow:
    0 20px 40px rgba(0,0,0,0.5),
    0 0 30px rgba(255,184,0,0.3),
    inset 0 1px 0 rgba(255,255,255,0.12);
}
/* Unique gradient per icon */
.skill-card:nth-child(1) .skill-icon-face { background: linear-gradient(135deg, #1a0f00, #3d2600); border: 1px solid rgba(255,184,0,0.3); }
.skill-card:nth-child(2) .skill-icon-face { background: linear-gradient(135deg, #001a1a, #003030); border: 1px solid rgba(52,211,153,0.3); }
.skill-card:nth-child(3) .skill-icon-face { background: linear-gradient(135deg, #0a0020, #1a0040); border: 1px solid rgba(167,139,250,0.3); }
.skill-card:nth-child(4) .skill-icon-face { background: linear-gradient(135deg, #1a0808, #3d1010); border: 1px solid rgba(255,107,53,0.3); }
.skill-card:nth-child(5) .skill-icon-face { background: linear-gradient(135deg, #001020, #002040); border: 1px solid rgba(96,165,250,0.3); }
.skill-card:nth-child(6) .skill-icon-face { background: linear-gradient(135deg, #0a1a0a, #103010); border: 1px solid rgba(52,211,153,0.3); }

.skill-title {
  font-family: var(--font-head);
  font-weight: 700; font-size: 1rem;
  letter-spacing: -0.02em;
  color: var(--cream); margin-bottom: 16px;
}

/* ── Skill progress bars ── */
.skill-bars { display: flex; flex-direction: column; gap: 12px; }
.skill-bar-item {}
.skill-bar-header {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 6px;
}
.skill-bar-name {
  font-size: 0.78rem; color: var(--muted2);
  font-family: var(--font-head); font-weight: 500;
}
.skill-bar-pct {
  font-size: 0.72rem; color: var(--gold);
  font-family: var(--font-head); font-weight: 700;
}
.skill-bar-track {
  height: 4px; border-radius: 2px;
  background: var(--surface2);
  overflow: hidden;
}
.skill-bar-fill {
  height: 100%; border-radius: 2px;
  background: linear-gradient(90deg, var(--gold), var(--coral));
  width: 0%;
  transition: width 1.4s cubic-bezier(0.22,1,0.36,1);
  box-shadow: 0 0 8px rgba(255,184,0,0.4);
}
.skill-card.bars-animated .skill-bar-fill {
  width: var(--pct);
}

/* ════════════════════════════════════════════
   CERTIFICATIONS — 3D Flip Card Timeline
════════════════════════════════════════════ */
#certs {
  background: var(--black2);
  position: relative; z-index: 2; overflow: hidden;
}

.certs-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

/* ── 3D Flip Card ── */
.cert-card-3d {
  perspective: 800px;
  height: 180px;
  cursor: none;
}
.cert-card-3d.wide { grid-column: span 2; height: 140px; }

.cert-inner {
  width: 100%; height: 100%;
  position: relative;
  transform-style: preserve-3d;
  transition: transform 0.7s cubic-bezier(0.22,1,0.36,1);
}
.cert-card-3d:hover .cert-inner {
  transform: rotateY(180deg);
}

.cert-front,
.cert-back {
  position: absolute; inset: 0;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  border-radius: 20px;
  padding: 28px 30px;
  display: flex; align-items: center;
  border: 1px solid var(--border2);
}
.cert-front {
  background: var(--surface);
  gap: 20px;
}
.cert-back {
  background: linear-gradient(135deg, #1a0d00, #2a1400);
  border-color: rgba(255,184,0,0.25);
  transform: rotateY(180deg);
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  gap: 10px;
}

/* Animated left border that slides in */
.cert-front::before {
  content: '';
  position: absolute; left: 0; top: 20%; bottom: 20%;
  width: 3px; border-radius: 0 3px 3px 0;
  background: linear-gradient(to bottom, var(--gold), var(--coral));
  transform: scaleY(0);
  transform-origin: top;
  transition: transform 0.5s cubic-bezier(0.22,1,0.36,1) 0.1s;
}
.cert-card-3d:hover .cert-front::before { transform: scaleY(1); }

/* 3D Icon on front */
.cert-icon-3d {
  width: 56px; height: 56px;
  border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.6rem; flex-shrink: 0;
  position: relative;
  transition: transform 0.4s, box-shadow 0.4s;
  background: linear-gradient(135deg, var(--gold-dim), rgba(255,107,53,0.08));
  border: 1px solid rgba(255,184,0,0.2);
  box-shadow: 0 8px 20px rgba(0,0,0,0.4);
}
.cert-card-3d:hover .cert-icon-3d {
  /* Cannot animate on hover since front is flipping away — animation handled on front */
}

.cert-front-text {}
.cert-title-text {
  font-family: var(--font-head);
  font-weight: 700; font-size: 0.95rem;
  color: var(--cream); margin-bottom: 6px;
  line-height: 1.3; letter-spacing: -0.01em;
}
.cert-org-text { font-size: 0.78rem; color: var(--muted); }
.cert-year-badge {
  margin-left: auto; flex-shrink: 0;
  font-family: var(--font-head);
  font-size: 0.62rem; font-weight: 700;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--gold); background: var(--gold-dim);
  border: 1px solid rgba(255,184,0,0.25);
  padding: 4px 10px; border-radius: 100px;
}

/* Back face content */
.cert-back-label {
  font-family: var(--font-head);
  font-size: 0.62rem; font-weight: 700;
  letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--gold); opacity: 0.7;
}
.cert-back-title {
  font-family: var(--font-display);
  font-size: 1.1rem; font-weight: 700; font-style: italic;
  color: var(--cream); line-height: 1.3;
}
.cert-back-detail {
  font-size: 0.8rem; color: var(--muted2); line-height: 1.6;
}
.cert-back-icon {
  font-size: 2.5rem; margin-bottom: 4px;
}

/* ── Education special card ── */
.cert-edu {
  grid-column: span 2;
  background: linear-gradient(135deg, var(--surface) 0%, #1a1000 100%);
  border: 1px solid rgba(255,184,0,0.2);
  border-radius: 24px;
  padding: 32px 36px;
  display: flex; align-items: center; gap: 28px;
  position: relative; overflow: hidden;
  transition: transform 0.5s cubic-bezier(0.22,1,0.36,1), box-shadow 0.5s;
}
.cert-edu:hover {
  transform: translateY(-8px) scale(1.01);
  box-shadow: 0 32px 80px rgba(0,0,0,0.6), 0 0 60px rgba(255,184,0,0.1);
}
.cert-edu::before {
  content: '';
  position: absolute; inset: -2px;
  border-radius: 26px;
  background: linear-gradient(135deg, rgba(255,184,0,0.3), transparent 50%, rgba(255,107,53,0.2));
  z-index: -1; opacity: 0;
  transition: opacity 0.4s;
}
.cert-edu:hover::before { opacity: 1; }
.cert-edu::after {
  content: '🎓';
  position: absolute; right: 32px; top: 50%;
  transform: translateY(-50%);
  font-size: 5rem; opacity: 0.06;
  transition: opacity 0.4s, transform 0.4s;
}
.cert-edu:hover::after { opacity: 0.1; transform: translateY(-50%) scale(1.1) rotate(5deg); }

.cert-edu-icon {
  width: 64px; height: 64px;
  border-radius: 18px; flex-shrink: 0;
  background: linear-gradient(135deg, rgba(255,184,0,0.15), rgba(255,107,53,0.1));
  border: 1px solid rgba(255,184,0,0.3);
  display: flex; align-items: center; justify-content: center;
  font-size: 2rem;
  box-shadow: 0 8px 28px rgba(0,0,0,0.4), 0 0 20px rgba(255,184,0,0.1);
  animation: glowPulse 3s ease-in-out infinite;
}
.cert-edu-title {
  font-family: var(--font-head);
  font-weight: 700; font-size: 1.05rem;
  color: var(--cream); margin-bottom: 6px;
  letter-spacing: -0.01em;
}
.cert-edu-sub {
  font-size: 0.82rem; color: var(--muted2); line-height: 1.5;
}
.cert-edu-gpa {
  margin-left: auto; flex-shrink: 0; text-align: right;
}
.cert-edu-gpa .gpa-num {
  font-family: var(--font-display);
  font-size: 2.4rem; font-weight: 700; font-style: italic;
  background: linear-gradient(135deg, var(--gold), var(--coral));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  line-height: 1;
}
.cert-edu-gpa .gpa-label {
  font-size: 0.68rem; color: var(--muted);
  font-family: var(--font-head); letter-spacing: 0.08em;
}

/* ── Responsive ── */
@media (max-width:1024px) {
  .process-grid { grid-template-columns: repeat(2,1fr); }
  .skills-grid  { grid-template-columns: repeat(2,1fr); }
}
@media (max-width:768px) {
  .process-grid { grid-template-columns: 1fr; }
  .certs-layout { grid-template-columns: 1fr; }
  .cert-card-3d.wide,.cert-edu { grid-column: span 1; }
}
@media (max-width:640px) {
  .skills-grid { grid-template-columns: 1fr; }
}
/* 1. Icons ko perfectly card ke background boxes ke center mein align karne ke liye */
.cert-icon-3d, .cert-edu-icon {
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    padding: 0 !important; /* Agar koi purani padding inherit ho rahi ho to clear ho jaye */
}

/* 2. SVGs ko unki heading ke aesthetic ke mutabiq modern gold/yellow hue dena */
.cert-icon-3d svg, .cert-edu-icon svg {
    display: block;
    /* Aapki secondary dynamic gold line color (#ffb703 ya #ffaa00 jo bhi project mein use ho raha hai) */
    stroke: #ffb703 !important; 
    
    /* Icons ki line thickness ko premium high-end look dene ke liye */
    stroke-width: 1.75px !important;
    
    /* Spacing perfect karne ke liye vertical offset reset */
    margin: 0 auto !important; 
}

/* 3. Education long card ke icon ki special sizing */
.cert-edu-icon svg {
    stroke: #ffb703 !important;
}

/* ── Services Section ── */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  perspective: 1200px;
  margin-top: 56px;
}
.service-icon-box {
  width: 56px;
  height: 56px;
  border-radius: 12px;
  background: rgba(255, 184, 0, 0.06);
  border: 1px solid rgba(255, 184, 0, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  color: var(--gold);
  transition: all 0.3s ease;
}
.service-icon-box svg {
  display: block;
  stroke: var(--gold);
  stroke-width: 1.75px;
  margin: 0 auto;
}
.service-card:hover .service-icon-box {
  background: rgba(255, 184, 0, 0.12);
  border-color: rgba(255, 184, 0, 0.4);
  box-shadow: 0 0 20px rgba(255, 184, 0, 0.2);
  transform: scale(1.05);
}

@media (max-width:1024px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width:768px) {
  .services-grid {
    grid-template-columns: 1fr;
  }
}

/* ── Process Tabs Transition ── */
.process-track {
  opacity: 0;
  transform: translateY(15px);
  transition: opacity 0.35s ease, transform 0.35s ease;
}
.process-track.active-track {
  opacity: 1;
  transform: translateY(0);
}

/* ── Process Step Icon Box ── */
.step-icon-box {
  width: 48px;
  height: 48px;
  border-radius: 10px;
  background: rgba(255, 184, 0, 0.06);
  border: 1px solid rgba(255, 184, 0, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: var(--gold);
  transition: all 0.3s ease;
}
.step-icon-box svg {
  display: block;
  stroke: var(--gold);
  stroke-width: 1.75px;
  margin: 0 auto;
}
.process-step:hover .step-icon-box {
  background: rgba(255, 184, 0, 0.12);
  border-color: rgba(255, 184, 0, 0.4);
  box-shadow: 0 0 20px rgba(255, 184, 0, 0.2);
  transform: scale(1.05);
}

/* ── Skills Redesign Layout ── */
.skill-icon-box {
  width: 48px;
  height: 48px;
  border-radius: 10px;
  background: rgba(255, 184, 0, 0.06);
  border: 1px solid rgba(255, 184, 0, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  color: var(--gold);
  transition: all 0.3s ease;
}
.skill-icon-box svg {
  display: block;
  stroke: var(--gold);
  stroke-width: 1.75px;
  margin: 0 auto;
}
.skill-card:hover .skill-icon-box {
  background: rgba(255, 184, 0, 0.12);
  border-color: rgba(255, 184, 0, 0.4);
  box-shadow: 0 0 20px rgba(255, 184, 0, 0.2);
  transform: scale(1.05);
}
.skill-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 0;
  flex-grow: 1;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.25s ease, transform 0.25s ease;
  pointer-events: none;
}
.skill-card.expanded .skill-chips {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
  transition-delay: 0.1s;
}
.skill-chip {
  font-family: var(--font-head);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border2);
  padding: 0 14px;
  height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 9999px;
  box-sizing: border-box;
  white-space: nowrap;
  transition: all 0.25s ease;
  user-select: none;
}
.skill-card:hover .skill-chip {
  border-color: rgba(255, 184, 0, 0.2);
  color: var(--cream);
}
.skill-chip:hover {
  background: rgba(255, 184, 0, 0.1);
  border-color: var(--gold) !important;
  color: var(--gold) !important;
  transform: scale(1.03);
  box-shadow: 0 4px 12px rgba(255, 184, 0, 0.15);
}