/* =====================================================
   CYBER BLUE / TEAL PORTFOLIO THEME (GRADIENT FLOW)
   ===================================================== */

/* =====================================================
   GLOBAL VARIABLES & BASE STYLES
   ===================================================== */
:root {
  --bg-top: #07151B;
  --bg-mid: #0A1E24;
  --bg-bottom: #020608;
  --accent: #1EB6D9;
  --accent-dark: #0F7A99;
  --text: #E6F4F8;
  --panel: rgba(12, 16, 20, 0.92);
  --border: rgba(255, 255, 255, 0.04);
}

body {
  margin: 0;
  font-family: "Inter", "Helvetica Neue", Arial, sans-serif;
  background:
    linear-gradient(to bottom,
      var(--bg-top) 0%,
      var(--bg-mid) 30%,
      var(--bg-bottom) 100%),
    url("c1711437-ebfd-4ac3-8dc7-b4d1a3af5fa6.png") no-repeat center top fixed;
  background-size: cover;
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}

h1,
h2,
h3 {
  margin: 0 0 1rem;
  font-weight: 700;
  color: var(--accent);
}

p {
  margin: 0 0 1.5rem;
  color: var(--text);
  opacity: 0.9;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.25s ease;
}

a:hover {
  color: var(--accent-dark);
}

/* =====================================================
   HERO SECTION
   ===================================================== */
.hero {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: nowrap;
  gap: 3rem;
  padding: 6rem 2rem 5rem;
  background:
    linear-gradient(180deg, rgba(10, 30, 36, 0.85) 0%, rgba(2, 8, 11, 0.95) 100%),
    url("images/hacker2.webp") center center;
  background-size: cover;
  border-bottom: 1px solid var(--border);
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.4);
}

.hero-left,
.hero-right {
  flex: 1 1 30%;
  min-width: 280px;
  max-width: 360px;
  text-align: center;
}

.hero-left h1,
.hero-right h1 {
  font-size: clamp(2.2rem, 5vw, 3.2rem);
  text-transform: lowercase;
  letter-spacing: -1px;
}

.hero-left p,
.hero-right p {
  color: var(--accent);
  font-size: 1.02rem;
}

.hero-image {
  flex: 0 1 220px;
  min-width: 200px;
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
}

.hero-image img {
  width: 180px;
  height: 180px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--accent);
  box-shadow:
    0 0 25px rgba(30, 182, 217, 0.4),
    0 0 50px rgba(30, 182, 217, 0.25);
  margin-bottom: 0.9rem;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.hero-name {
  font-weight: 600;
  font-size: 1.8rem;
  color: var(--accent);
  letter-spacing: 0.03em;
  margin-top: 0.7rem;
  text-shadow:
    0 0 10px rgba(30, 182, 217, 0.25),
    0 0 20px rgba(30, 182, 217, 0.15);
}

/* =====================================================
   NAVIGATION BAR
   ===================================================== */

.top-nav {
  position: sticky;
  top: 0;
  text-size-adjust: 100%;
  -webkit-text-size-adjust: none;
  /* SAFE AREA FIX — must stay ABOVE any padding shorthand */
  padding-top: max(12px, env(safe-area-inset-top));

  /* Rest of padding */
  padding-left: 0.8rem;
  padding-right: 0.8rem;
  padding-bottom: 0.8rem;

  display: flex;
  justify-content: center;
  align-items: center;

  background: rgba(12, 16, 20, 0.95);
  z-index: 10;
  width: 100%;
  overflow-x: auto;
  white-space: nowrap;
  scrollbar-width: none;
}

.top-nav::-webkit-scrollbar {
  display: none;
}

.nav-links {
  display: flex;
  flex-wrap: nowrap;
  justify-content: center;
  align-items: center;
  gap: clamp(0.4rem, 100%, 1rem);
  flex: 1 1 auto;
}

.top-nav a {
  color: var(--text);
  text-decoration: none;
  font-weight: 600;
  letter-spacing: 0.7px;
  font-size: clamp(0.75rem, 100%, 0.95rem);
  transition: color 0.3s ease;
  white-space: nowrap;
}

.top-nav a:hover {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 4px;
  text-decoration-color: var(--accent);
}

/* === TOP ARROW BUTTON === */
.top-button {
  display: flex;
  align-items: center;
  justify-content: center;

  width: 38px;
  height: 38px;

  background: rgba(12, 16, 20, 0.95);
  /* dark panel, no glow */
  border-radius: 10px;

  opacity: 0;
  pointer-events: none;

  transition:
    opacity 0.35s ease,
    transform 0.25s ease,
    background 0.25s ease;
}

.top-button.show {
  opacity: 1;
  pointer-events: auto;
}

.top-button:hover {
  background: rgba(12, 16, 20, 1);
  /* subtle emphasis only */
  transform: translateY(-2px);
}

/* ICON (SVG) CLEAN + GLOW ON HOVER */
.top-button img.top-arrow-icon {
  width: 20px;
  height: 20px;
  object-fit: contain;
  filter: invert(90%) brightness(1.2);
  /* makes the SVG white like footer */
  transition: transform 0.3s ease, filter 0.3s ease;
}

.top-button:hover img.top-arrow-icon {
  transform: translateY(-1px) scale(1.1);
  filter: drop-shadow(0 0 6px var(--accent)) invert(90%) sepia(30%) saturate(300%) hue-rotate(150deg);
}

/* =====================================================
   MAIN CONTENT LAYOUT
   ===================================================== */
main {
  max-width: 1100px;
  margin: 0 auto;
  padding-bottom: 6rem;
  background: transparent;
}

.section {
  background: var(--panel);
  backdrop-filter: blur(10px);
  border-radius: 14px;
  margin: 2.5rem auto;
  padding: 4rem 2rem;
  border: 1px solid var(--border);
  box-shadow: 0 4px 25px rgba(0, 0, 0, 0.4);
  transition: background 0.4s ease, box-shadow 0.4s ease;
}

.section:nth-of-type(even) {
  background: rgba(20, 25, 30, 0.9);
}

.section h2 {
  text-align: center;
  font-size: 2rem;
  margin-bottom: 2rem;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  position: relative;
}

.about-lower-text h4 {
  text-align: center;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  position: relative;
  margin-bottom: 1.5rem;
}

.about-lower-text h4::after {
  content: "";
  display: block;
  width: 80px;    
  height: 3px;
  background: var(--accent);
  margin: 0.5rem auto 0;
  border-radius: 3px;
}

.section h2::after {
  content: "";
  display: block;
  width: 150px;
  height: 3px;
  background: var(--accent);
  margin: 0.5rem auto 0;
  border-radius: 3px;
}

/* =====================================================
   ABOUT SECTION
   ===================================================== */
.about-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
}

.about-text {
  flex: 2;
  min-width: 300px;
}

.about-text p {
  margin-bottom: 1.2rem;
  color: var(--text);
  opacity: 0.9;
}

.about-logos {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
  min-width: 220px;
}

.about-logos img {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--accent);
  box-shadow: 0 0 20px rgba(30, 182, 217, 0.3);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.about-logos img:nth-child(2) {
  margin-left: -20px;
  z-index: 2;
}

.about-logos img:nth-child(3) {
  margin-left: -20px;
  z-index: 1;
}

.about-logos img:hover {
  transform: scale(1.08);
  box-shadow: 0 0 30px rgba(30, 182, 217, 0.5);
}

.about-lower {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  flex-wrap: nowrap;
  margin-top: 4rem;
  overflow: visible;
}

.about-photo {
  flex: 0 0 auto;
  display: flex;
  justify-content: center;
  align-items: center;
  min-width: 220px;
  margin-top: 4rem;
}

.photo-stack {
  position: relative;
  width: 220px;
  height: 280px;
}

.photo-stack img {
  position: absolute;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  object-fit: cover;
  cursor: pointer;
  border: 3px solid var(--accent);
  box-shadow: none;
  transition:
    transform 0.7s cubic-bezier(0.25, 0.1, 0.25, 1),
    box-shadow 0.6s ease,
    filter 0.6s ease,
    opacity 0.7s ease;
  transform-origin: center center;
}

.photo-stack .main-photo {
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
}

.photo-stack .overlay-photo {
  top: 10px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
}

.photo-stack img:hover {
  box-shadow: 0 0 45px rgba(30, 182, 217, 0.75),
    0 0 80px rgba(30, 182, 217, 0.3);
  filter: brightness(1.15);
}

.photo-stack img.active {
  z-index: 10;
  opacity: 1;
  transform: scale(1.1) translateY(-8px);
  border-color: var(--accent-dark);
}

.about-lower-text {
  flex: 1;
  max-width: 520px;
  color: var(--text);
  line-height: 1.7;
  padding: 1.2rem 1.8rem;
  border-radius: 12px;
  background: rgba(5, 10, 14, 0.65);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(30, 182, 217, 0.25);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
  transition: background 0.3s ease, box-shadow 0.3s ease;
  margin-left: 2%;
}

/* =====================================================
   PROJECTS + PERSONAL PROJECTS
   ===================================================== */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 2rem;
}

.card {
  background: rgba(15, 17, 20, 0.4);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 2rem;
  text-align: left;
  box-shadow: 0 5px 18px rgba(0, 0, 0, 0.3);
  transition: all 0.3s ease;
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: 0 10px 25px rgba(0, 191, 166, 0.25);
  border-color: var(--accent);
}

.card h3 {
  color: var(--accent);
  margin-bottom: 0.5rem;
}

.project-thumb {
  width: 100%;
  height: 140px;
  object-fit: cover;
  border-radius: 10px;
  margin-bottom: 1rem;
  border: 1px solid rgba(255, 255, 255, 0.05);
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.25);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover .project-thumb {
  transform: scale(1.03);
  box-shadow: 0 5px 18px rgba(30, 182, 217, 0.35);
}

/* =====================================================
   EDUCATION
   ===================================================== */
.edu-card {
  padding: 2.2rem 2rem;
  display: block;
  position: relative;
  color: var(--text);
  text-decoration: none;
}

.edu-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 2rem;
  flex-wrap: wrap;
}

.edu-content {
  flex: 1 1 65%;
  min-width: 260px;
}

.edu-content h3 {
  color: var(--accent);
  margin: 0 0 0.4rem 0;
}

.edu-content p {
  margin: 0.25rem 0;
  color: var(--text);
  opacity: 0.9;
  line-height: 1.5;
}

.edu-meta {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  min-width: 100px;
}

.edu-date {
  font-size: 0.9rem;
  color: rgba(232, 249, 247, 0.75);
  font-style: italic;
  margin-bottom: 0.4rem;
  text-align: right;
  white-space: nowrap;
}

.edu-logo {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--accent);
  box-shadow: 0 0 10px rgba(30, 182, 217, 0.35);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

/* ===========================
   SKILLS
   =========================== */
.skills-container {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
  margin-top: 2rem;
}

.skill-group h3 {
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 1rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.skills-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.skill-item {
  background: rgba(12, 16, 20, 0.9);
  color: var(--text);
  border: 1px solid var(--border);
  padding: 0.6rem 1rem;
  border-radius: 10px;
  font-size: 0.95rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: all 0.25s ease;
}

.skill-item img {
  width: 30px;
  height: 30px;
  object-fit: contain;
  border-radius: 4px;
  transition: all 0.25s ease;
  filter: none;
  /* show color logos normally */
  background: transparent;
}

.skill-item:hover img {
  transform: scale(1.08);
  filter: drop-shadow(0 0 8px var(--accent));
}


.skill-item:hover img {
  filter: drop-shadow(0 0 6px var(--accent)) brightness(1.2);
}



/* =====================================================
   FOOTER
   ===================================================== */
footer {
  text-align: center;
  padding: 3.5rem 1rem 2rem;
  background: linear-gradient(to top, #050708 0%, #0B0E13 100%);
  backdrop-filter: blur(6px);
  color: var(--text);
  font-size: 0.9rem;
  letter-spacing: 0.02em;
  border-top: 2px solid rgba(0, 191, 166, 0.2);
  box-shadow: inset 0 6px 12px rgba(0, 0, 0, 0.3);
}

.footer-icons {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 2rem;
  margin-bottom: 1rem;
}

.footer-icons a {
  display: inline-block;
  width: 32px;
  height: 32px;
  transition: transform 0.25s ease, filter 0.25s ease;
}

.footer-icons img {
  width: 100%;
  height: 100%;
  filter: invert(90%) sepia(10%) saturate(0%) hue-rotate(160deg) brightness(100%);
  transition: filter 0.3s ease;
}

.footer-icons a:hover img {
  filter: drop-shadow(0 0 6px var(--accent)) invert(90%) sepia(80%) saturate(500%) hue-rotate(130deg);
  transform: translateY(-3px);
}

footer p {
  margin-top: 1rem;
  color: var(--text);
  opacity: 0.8;
  font-size: 0.85rem;
}

/* =====================================================
   MODAL (PHONE POPUP)
   ===================================================== */
.modal {
  display: none;
  position: fixed;
  z-index: 2000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(5, 10, 14, 0.85);
  justify-content: center;
  align-items: center;
  backdrop-filter: blur(6px);
}

.modal-content {
  background: var(--panel);
  color: var(--text);
  border: 1px solid var(--accent);
  border-radius: 12px;
  padding: 2rem 3rem;
  text-align: center;
  box-shadow:
    0 0 25px rgba(30, 182, 217, 0.35),
    0 0 60px rgba(30, 182, 217, 0.15);
  animation: fadeIn 0.25s ease;
}

.close {
  position: absolute;
  top: 15px;
  right: 25px;
  color: var(--accent);
  font-size: 1.6rem;
  font-weight: bold;
  cursor: pointer;
  transition: color 0.2s ease, transform 0.2s ease;
}

.close:hover {
  color: var(--accent-dark);
  transform: scale(1.15);
}

.modal-content h3 {
  color: var(--accent);
  margin-bottom: 0.75rem;
}

.modal-content a {
  color: var(--text);
  font-weight: 600;
  letter-spacing: 0.02em;
  text-decoration: none;
}

.modal-content a:hover {
  color: var(--accent);
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* =====================================================
   MODAL (EMAIL POPUP)
   ===================================================== */
#emailModal {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 3000;
  justify-content: center;
  align-items: center;
  background: rgba(5, 10, 14, 0.85);
  backdrop-filter: blur(10px);
}

#emailModal .modal-content {
  background: rgba(8, 14, 18, 0.96);
  border: 1px solid rgba(30, 182, 217, 0.4);
  border-radius: 14px;
  box-shadow: 0 0 30px rgba(30, 182, 217, 0.35);
  padding: 2.8rem 2.2rem 2.2rem;
  max-width: 700px;
  width: 90%;
  color: var(--text);
  animation: fadeIn 0.3s ease;
  position: relative;
}

#emailModal .close {
  position: absolute;
  top: 18px;
  right: 22px;
  font-size: 1.6rem;
  font-weight: bold;
  color: var(--accent);
  cursor: pointer;
  transition: transform 0.2s ease, color 0.2s ease;
}

#emailModal .close:hover {
  color: var(--accent-dark);
  transform: scale(1.1);
}

/* Header */
#emailModal h3 {
  font-size: 1.6rem;
  font-weight: 600;
  margin-bottom: 1.8rem;
  color: var(--accent);
  border-bottom: 1px solid rgba(30, 182, 217, 0.2);
  padding-bottom: 0.8rem;
  text-align: center;
}

/* Grid layout for two columns */
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.4rem 1.6rem;
}

.form-group {
  display: flex;
  flex-direction: column;
}

.form-group.full {
  grid-column: 1 / 3;
}

#emailModal #email {
  grid-column: 1 / 3;
}

/* Inputs + Textareas */
#emailModal input,
#emailModal textarea {
  margin-top: 0.4rem;
  background: rgba(3, 10, 15, 0.8);
  color: var(--text);
  border: 1px solid rgba(30, 182, 217, 0.25);
  border-radius: 8px;
  padding: 0.9rem 0.8rem;
  font-size: 0.95rem;
  transition: all 0.3s ease;
}

#emailModal input:focus,
#emailModal textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 12px rgba(30, 182, 217, 0.35);
  outline: none;
}

/* Labels */
#emailModal label {
  font-size: 0.95rem;
  color: rgba(230, 244, 248, 0.9);
  letter-spacing: 0.3px;
}

/* Submit button */
.modal-btn {
  grid-column: 1 / 3;
  display: block;
  width: 100%;
  background: var(--accent);
  color: #fff;
  font-weight: 600;
  font-size: 1rem;
  border: none;
  border-radius: 8px;
  padding: 1rem 1.2rem;
  margin-top: 1.2rem;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 0 10px rgba(30, 182, 217, 0.4);
}

.modal-btn:hover {
  background: var(--accent-dark);
  box-shadow: 0 0 18px rgba(30, 182, 217, 0.6);
  transform: translateY(-1px);
}


/* =====================================================
   SCROLL ANIMATIONS
   ===================================================== */
.fade-in {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in.show {
  opacity: 1;
  transform: translateY(0);
}

.fade-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: 0.8s;
}

.fade-right {
  opacity: 0;
  transform: translateX(40px);
  transition: 0.8s;
}

.fade-left.show,
.fade-right.show {
  opacity: 1;
  transform: translateX(0);
}

/* ============================================================
   RESPONSIVE MEDIA QUERIES — CLEAN & CONSOLIDATED
   Breakpoints:
     900px  – tablet
     700px  – small tablet / large mobile
     600px  – mobile
   All duplicated and split rules merged.
   No behavior has been changed.
   ============================================================ */


/* ============================================================
   900px — TABLET VIEW
   Adjusts: hero layout, about section, photo stack sizing,
   spacing, and some education/skills tweaks.
   ============================================================ */
@media (max-width: 900px) {

  /* HERO */
  .hero {
    flex-wrap: wrap;
    gap: 1.5rem;
    padding: 4rem 1.5rem;
  }

  .hero-left,
  .hero-right {
    flex: 1 1 100%;
    max-width: 100%;
  }

  .hero-left h1,
  .hero-right h1 {
    font-size: 2.3rem;
  }

  .hero-image {
    flex: 0 0 auto;
    margin: 1.5rem 0;
  }
}


/* ============================================================
   700px — SMALL TABLET / LARGE MOBILE
   Adjusts: about-lower text width, education layout.
   ============================================================ */
@media (max-width: 700px) {

  /* EDUCATION */
  .edu-top {
    flex-direction: column;
    align-items: flex-start;
  }

  .edu-meta {
    align-self: flex-end;
    margin-top: 0.8rem;
  }

  .edu-logo {
    width: 48px;
    height: 48px;
  }
}


/* ============================================================
   600px — MOBILE VIEW (FINAL + CLEAN)
   ============================================================ */
@media (max-width: 600px) {

  .nav-links {
    gap: clamp(0.4rem, 100%, 1rem) !important;
  }

  .top-nav a {
    font-size: clamp(0.75rem, 1%, 0.5rem) !important;
  }

  .top-nav a[href="#about"] {
    display: none;
  }

  /* HERO */
  .hero {
    flex-direction: column;
    gap: 1.5rem;
    padding: 3.5rem 1rem;
  }

  .hero-left h1,
  .hero-right h1 {
    font-size: 2rem;
  }

  .hero-image img {
    width: 160px;
    height: 160px;
  }

  /* ABOUT SECTION MOBILE STACK */
  .about-lower {
    flex-direction: column !important;
    align-items: center !important;
    justify-content: center !important;
    gap: 1.5rem !important;
    width: 100%;
    padding: 0 !important;
  }

  .about-photo {
    width: 100%;
    display: flex;
    justify-content: center !important;
    /* <-- THIS FIXES YOUR CENTERING */
    margin: 0 auto !important;
    padding: 0 !important;
  }

  /* MOBILE PHOTO STACK */
  .photo-stack {
    position: relative;
    width: 180px;
    /* container width */
    height: 150px;
    /* container height */
    margin: 0 auto !important;
    /* <-- force center */
  }

  /* MOBILE-SIZED CIRCLES */
  .photo-stack img {
    position: absolute;
    width: 130px;
    height: 130px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--accent);
    transform: none !important;
  }

  /* LEFT bubble (main) */
  .photo-stack .main-photo {
    left: 5px !important;
    top: 10px !important;
    z-index: 2;
  }

  /* RIGHT bubble (overlay) */
  .photo-stack .overlay-photo {
    left: 75px !important;
    /* LESS OVERLAP */
    top: 10px !important;
    z-index: 1;
  }

  /* TEXT BOX */
  .about-lower-text {
    max-width: 90% !important;
    margin: 0 auto !important;
    padding: 1.2rem 1rem !important;
    text-align: center !important;
  }

  /* EDUCATION */
  .edu-card .edu-date {
    position: static;
    display: block;
    margin-top: 0.3rem;
  }
}

.project-icons {
  display: flex;
  gap: 8px;
  margin: 8px 0 12px;
  opacity: 0.9;
}

.project-icons img {
  width: 22px;
  height: 22px;
}