/* =============================================
   SHIVAS PORTFOLIO — SKETCHBOOK THEME
   Clean, single :root block — no conflicts
   ============================================= */

/* --- LIGHT / DARK MODE VARIABLES --- */
:root {
  color-scheme: light dark;
  --paper-bg:      light-dark(#fdfbf7, #000000);
  --ink-color:     light-dark(#2c2c2c, #e0e0e0);
  --box-bg:        light-dark(#ffffff, #111111);
  --grid-color:    light-dark(#d1d1d1, rgba(255,255,255,0.05));
  --note-bg:       light-dark(#fef08a, #857c2e);
  --cert-note-bg:  light-dark(#a7f3d0, #1e3a2f);
  --pencil-blue:   light-dark(#4a90e2, #56a3ff);
  --pencil-red:    light-dark(#e74c3c, #ff5f56);
  --pencil-green:  light-dark(#2ecc71, #4ade80);
  --highlighter:   light-dark(rgba(241,196,15,0.4), rgba(250,204,21,0.25));
  --input-bg:      light-dark(#fdfbf7, #1e1e1e);
  --note-text:     light-dark(#2c2c2c, #f0f0f0);
}

/* --- BASE --- */
*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  background-color: var(--paper-bg);
  background-image: radial-gradient(var(--grid-color) 1px, transparent 1px);
  background-size: 20px 20px;
  color: var(--ink-color);
  font-family: 'Caveat', cursive;
  font-size: 1.2rem;
  margin: 0;
  padding: 0;
  overflow-x: hidden;
  transition: background-color 0.3s, color 0.3s;
}

h1, h2, h3 { font-family: 'Architects Daughter', cursive; }

/* --- SCROLL TO TOP --- */
.scroll-top {
  position: fixed;
  bottom: 2rem;
  right: 1.5rem;
  z-index: 998;
  background: var(--box-bg);
  border: 2px solid var(--ink-color);
  border-radius: 255px 15px 225px 15px / 15px 225px 15px 255px;
  padding: 0.4rem 0.9rem;
  font-family: 'Architects Daughter', cursive;
  font-size: 1.3rem;
  cursor: pointer;
  box-shadow: 3px 3px 0 var(--pencil-green);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s, transform 0.2s, box-shadow 0.2s;
  color: var(--ink-color);
}
.scroll-top.visible { opacity: 1; pointer-events: auto; }
.scroll-top:hover { transform: translate(1px, 1px); box-shadow: 2px 2px 0 var(--pencil-green); }

/* =============================================
   INDEX PAGE — HERO
   ============================================= */
.sketch-hero {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1100px;
  margin: 0 auto;
  min-height: 100vh;
  padding: 2rem;
  padding-bottom: 150px;
  gap: 4rem;
}
.hero-content { 
  flex: 1 1 50%;
  max-width: 600px; 
  z-index: 2; 
}

.hero-visual { 
  flex: 1 1 50%;
  display: flex; 
  justify-content: center; 
  z-index: 2; 
}

/* --- BADGE --- */
.sketch-badge {
  display: inline-block;
  border: 2px solid var(--ink-color);
  border-radius: 255px 15px 225px 15px / 15px 225px 15px 255px;
  padding: 0.3rem 1rem;
  font-family: 'Architects Daughter', cursive;
  font-size: 1.1rem;
  margin-bottom: 1.5rem;
  transform: rotate(-1deg);
}

/* --- TITLE --- */
.hero-title {
  font-size: 3rem;
  line-height: 1.2;
  margin: 0 0 1rem 0;
  white-space: nowrap;
}

.wave-emoji {
  display: inline-block;
  transform-origin: 70% 70%;
  animation: waveEmoji 2.5s ease-in-out 1;
}
@keyframes waveEmoji {
  0% { transform: rotate(0deg); }
  10% { transform: rotate(14deg); }
  20% { transform: rotate(-8deg); }
  30% { transform: rotate(14deg); }
  40% { transform: rotate(-4deg); }
  50% { transform: rotate(10deg); }
  60%, 100% { transform: rotate(0deg); }
}

/* --- HIGHLIGHT --- */
.highlight-text {
  background: linear-gradient(104deg, transparent 0%, var(--highlighter) 2%, var(--highlighter) 98%, transparent 100%);
  padding: 0 10px;
}

.hero-bio {
  font-size: 1.8rem;
  line-height: 1.4;
  margin-bottom: 2.5rem;
}

/* --- DRAWN BOX --- */
.drawn-box {
  background: var(--box-bg);
  border: 3px solid var(--ink-color);
  border-radius: 15px 225px 15px 255px / 255px 15px 225px 15px;
  padding: 2rem;
  box-shadow: 6px 6px 0px rgba(0,0,0,0.3);
}

.contribution-box h3 { margin: 0 0 1rem 0; font-size: 1.8rem; }
.contribution-box p  { margin-bottom: 2rem; }

/* --- BUTTONS --- */
.hero-actions {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.btn-sketch {
  text-decoration: none;
  color: var(--ink-color);
  font-family: 'Architects Daughter', cursive;
  font-size: 1.2rem;
  font-weight: bold;
  padding: 0.6rem 1.5rem;
  border: 2px solid var(--ink-color);
  border-radius: 255px 15px 225px 15px / 15px 225px 15px 255px;
  transition: transform 0.2s, box-shadow 0.2s;
  background: var(--box-bg);
  cursor: pointer;
  display: inline-block;
}

.btn-blue  { box-shadow: 4px 4px 0px var(--pencil-blue); }
.btn-blue:hover  { transform: translate(2px,2px); box-shadow: 2px 2px 0px var(--pencil-blue); }
.btn-red   { box-shadow: 4px 4px 0px var(--pencil-red); }
.btn-red:hover   { transform: translate(2px,2px); box-shadow: 2px 2px 0px var(--pencil-red); }
.btn-green { box-shadow: 4px 4px 0px var(--pencil-green); }
.btn-green:hover { transform: translate(2px,2px); box-shadow: 2px 2px 0px var(--pencil-green); }

/* --- STICKY NOTE (Hero) --- */
.sticky-note {
  background-color: var(--note-bg);
  color: var(--note-text);
  width: 100%;
  max-width: 380px;
  padding: 2rem;
  position: relative;
  box-shadow: 4px 4px 15px rgba(0,0,0,0.35);
  transform: rotate(3deg);
  border-bottom-right-radius: 60px 5px;
}

.pin {
  width: 16px;
  height: 16px;
  background-color: var(--pencil-red);
  border-radius: 50%;
  position: absolute;
  top: 15px;
  left: 50%;
  transform: translateX(-50%);
  box-shadow: inset -2px -2px 4px rgba(0,0,0,0.3), 2px 2px 4px rgba(0,0,0,0.2);
  z-index: 5;
}

.sticky-note h3 {
  margin-top: 10px;
  border-bottom: 2px dashed rgba(150,150,150,0.4);
  padding-bottom: 5px;
  color: var(--note-text);
}

/* --- HANDWRITING & PENCIL COLORS --- */
.handwriting { font-size: 1.5rem; line-height: 1.3; }
.pencil-blue  { color: var(--pencil-blue); }
.pencil-red   { color: var(--pencil-red); }
.pencil-green { color: var(--pencil-green); }

/* =============================================
   SEA & BOAT ANIMATION
   ============================================= */
.sea-container {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100vw;
  height: 150px;
  background: repeating-linear-gradient(
    0deg,
    rgba(86,163,255,0.1), rgba(86,163,255,0.1) 5px,
    transparent 5px, transparent 15px
  );
  border-top: 3px solid var(--pencil-blue);
  border-radius: 255px 15px 225px 15px / 15px 225px 15px 255px;
  z-index: 10;
  pointer-events: none;
  animation: moveWater 1.5s linear infinite;
}

.boat-wrapper {
  position: absolute;
  bottom: 10px;
  left: -300px;
  transform: translateX(-50%);
  transition: left 3s cubic-bezier(0.25,0.46,0.45,0.94);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  pointer-events: auto;
}

.wiggle { animation: float 2s ease-in-out infinite; }

@keyframes float {
  0%   { transform: translateX(-50%) translateY(0px) rotate(0deg); }
  50%  { transform: translateX(-50%) translateY(-5px) rotate(2deg); }
  100% { transform: translateX(-50%) translateY(0px) rotate(0deg); }
}

.speech-bubble {
  background: var(--box-bg);
  color: var(--ink-color);
  border: 2px solid var(--ink-color);
  border-radius: 255px 15px 225px 15px / 15px 225px 15px 255px;
  padding: 0.5rem 1rem;
  font-family: 'Architects Daughter', cursive;
  font-weight: bold;
  font-size: 1.2rem;
  margin-bottom: 10px;
  opacity: 0;
  transform: translateY(10px);
  transition: all 0.5s ease;
}

.sketch-boat path:first-child {
  fill: light-dark(rgba(255,255,255,0.8), rgba(255,255,255,0.1));
}

@keyframes moveWater {
  0%   { background-position: 0 0; }
  100% { background-position: 0 15px; }
}

@keyframes waveHand {
  0%   { transform: rotate(0deg); }
  20%  { transform: rotate(40deg); }
  40%  { transform: rotate(-10deg); }
  60%  { transform: rotate(40deg); }
  80%  { transform: rotate(-10deg); }
  100% { transform: rotate(0deg); }
}

.wave-action {
  transform-origin: 75px 46px;
  animation: waveHand 1.5s ease-in-out;
}

/* =============================================
   ABOUT PAGE
   ============================================= */
.about-page { padding-bottom: 5rem; }

.page-container {
  max-width: 1000px;
  margin: 0 auto;
  padding: 2rem;
}

/* --- NAV BAR --- */
.nav-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: nowrap;
  gap: 1rem;
  padding: 1rem 0;
  margin-bottom: 2rem;
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--paper-bg);
  overflow-x: auto;
  -ms-overflow-style: none;
  scrollbar-width: none;
}
.nav-bar::-webkit-scrollbar { display: none; }

.nav-menu {
  display: flex;
  gap: 0.5rem;
  flex-wrap: nowrap;
}

/* Active nav link */
.nav-active {
  box-shadow: 4px 4px 0px var(--pencil-red) !important;
  transform: translate(1px, 1px);
}

/* Hamburger — hidden on desktop */
.hamburger {
  display: none;
  background: var(--box-bg);
  border: 2px solid var(--ink-color);
  border-radius: 255px 15px 225px 15px / 15px 225px 15px 255px;
  font-size: 1.4rem;
  padding: 0.3rem 0.8rem;
  cursor: pointer;
  color: var(--ink-color);
  box-shadow: 3px 3px 0 var(--pencil-blue);
}

/* --- ABOUT SECTION --- */
.about-section {
  display: flex;
  gap: 3rem;
  align-items: center;
  margin-bottom: 5rem;
}

.profile-pic {
  flex: 0 0 280px;
}

.photo-placeholder {
  background: var(--paper-bg);
  border: 3px solid var(--ink-color);
  padding: 5px;
  transform: rotate(-2deg);
  min-height: 280px;
  overflow: hidden;
}

.profile-pic img {
  width: 100%;
  height: auto;
  display: block;
  filter: grayscale(100%) contrast(300%);
  image-rendering: pixelated;
  opacity: 0.85;
}

/* Tape strip decoration */
.tape {
  width: 60px;
  height: 18px;
  background: rgba(255,220,100,0.55);
  border: 1px solid rgba(200,170,0,0.3);
  position: absolute;
  top: -10px;
  left: 50%;
  transform: translateX(-50%) rotate(-2deg);
  z-index: 2;
}
.photo-frame { position: relative; }

.about-text { flex: 1; }

.section-title {
  font-size: 2.5rem;
  margin-bottom: 2rem;
  display: inline-block;
}

/* --- SECTIONS SPACING --- */
.skills-section, .certs-section, .projects-section, .contact-section {
  margin-bottom: 5rem;
}

/* --- SKILLS --- */
.skills-container {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.skill-tag {
  font-family: 'Architects Daughter', cursive;
  font-size: 1.2rem;
  color: var(--pencil-blue);
  border: 2px dashed var(--pencil-blue);
  padding: 0.5rem 1rem;
  border-radius: 255px 15px 225px 15px / 15px 225px 15px 255px;
  background: rgba(86,163,255,0.1);
  transition: transform 0.2s, background 0.2s;
}
.skill-tag:hover {
  transform: scale(1.1) rotate(2deg);
  background: rgba(86,163,255,0.2);
}

/* --- PROJECTS --- */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2.5rem;
}

.project-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform 0.3s ease;
}
.project-card:hover { transform: translateY(-5px); }

.project-link {
  align-self: flex-start;
  margin-top: 1.5rem;
  font-size: 1rem;
}

/* --- CERTIFICATES --- */
.certs-grid {
  display: flex;
  flex-direction: column;
  gap: 2.8rem;
  max-width: 820px;
  margin: 0 auto;
}

.cert-note { max-width: 380px; width: 100%; }

.cert-note.left {
  align-self: flex-start;
  transform: rotate(-3deg);
  background-color: var(--note-bg);
}
.cert-note.right {
  align-self: flex-end;
  transform: rotate(4deg);
  background-color: var(--cert-note-bg);
}

/* --- CONTACT SECTION --- */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}

.contact-card {
  text-align: center;
  transition: transform 0.3s ease;
}
.contact-card:hover { transform: translateY(-4px); }

.contact-icon {
  font-size: 2.5rem;
  margin-bottom: 0.8rem;
}

.contact-card h3 {
  margin: 0 0 0.5rem;
  font-size: 1.6rem;
}

/* --- FORM --- */
.quick-message { max-width: 640px; margin-left: auto; margin-right: auto; }
.quick-message h3 { font-size: 1.8rem; margin: 0 0 0.5rem; }

.form-group { margin-bottom: 1.2rem; }

.form-label {
  display: block;
  font-family: 'Architects Daughter', cursive;
  font-size: 1.1rem;
  margin-bottom: 0.4rem;
  color: var(--ink-color);
}

.sketch-input {
  width: 100%;
  background: var(--input-bg);
  color: var(--ink-color);
  border: 2px solid var(--ink-color);
  border-radius: 255px 15px 225px 15px / 15px 225px 15px 255px;
  padding: 0.7rem 1.2rem;
  font-family: 'Caveat', cursive;
  font-size: 1.3rem;
  outline: none;
  transition: box-shadow 0.2s;
}
.sketch-input:focus {
  box-shadow: 4px 4px 0 var(--pencil-blue);
}

.sketch-textarea {
  border-radius: 15px 225px 15px 255px / 255px 15px 225px 15px;
  resize: vertical;
  min-height: 120px;
}

/* --- FOOTER --- */
.sketch-footer {
  text-align: center;
  padding: 2rem 0 3rem;
  border-top: 2px dashed var(--grid-color);
  margin-top: 2rem;
}

/* =============================================
   RESPONSIVE / MOBILE
   ============================================= */
@media (max-width: 800px) {
  /* Hero */
  .sketch-hero {
    flex-direction: column;
    align-items: flex-start;
    padding-top: 5rem;
    gap: 2rem;
  }
  .hero-title { font-size: 2rem; white-space: normal; }
  .hero-visual { width: 100%; justify-content: flex-start; }
  .sticky-note { max-width: 100%; transform: rotate(1deg); }

  /* About */
  .about-section { flex-direction: column; }
  .profile-pic { width: 100%; max-width: 320px; margin: 0 auto; flex: none; }

  /* Nav: show hamburger, hide links by default */
  .hamburger { display: block; }
  .nav-menu {
    display: none;
    flex-direction: column;
    width: 100%;
    background: var(--box-bg);
    border: 2px solid var(--ink-color);
    border-radius: 12px;
    padding: 1rem;
    gap: 0.6rem;
    box-shadow: 4px 4px 0 var(--pencil-blue);
    position: absolute;
    top: 5rem;
    right: 0;
    z-index: 50;
  }
  .nav-menu.nav-open { display: flex; }
  .nav-bar { flex-wrap: nowrap; }

  /* Projects */
  .projects-grid { grid-template-columns: 1fr; }

  /* Certs */
  .cert-note.left, .cert-note.right {
    align-self: center;
    max-width: 100%;
    transform: rotate(-1deg);
  }
}

@media (max-width: 480px) {
  .hero-title { font-size: 1.7rem; white-space: normal; }
  .hero-bio   { font-size: 1.4rem; }
  .section-title { font-size: 1.9rem; }
  .contact-grid { grid-template-columns: 1fr; }
}

/* =============================================
   BACKGROUND FLOATING ICONS
   ============================================= */
.bg-icons {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.bg-icons i {
  position: absolute;
  left: var(--ix);
  top:  var(--iy);
  font-size: var(--is);
  color: var(--ink-color);
  opacity: 0.045;
  transform: rotate(var(--ir));
  animation: bgFloat 8s ease-in-out var(--id) infinite alternate;
}

@keyframes bgFloat {
  0%   { transform: rotate(var(--ir)) translateY(0px);   opacity: 0.045; }
  50%  { opacity: 0.07; }
  100% { transform: rotate(var(--ir)) translateY(-14px); opacity: 0.045; }
}

/* Make sure all page content sits above icons */
.sketch-hero,
.page-container,
.scroll-top {
  position: relative;
  z-index: 1;
}