@import url("https://fonts.googleapis.com/css2?family=Michroma&family=Silkscreen&display=swap");

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

:root {
  --bg:        #0a192f;
  --bg2:       #0d1f3c;
  --bg3:       #112240;
  --green:     #40C057;
  --green-dim: #2d8a3e;
  --green-glow:rgba(64,192,87,0.18);
  --white:     #e6f1ff;
  --white-dim: rgba(230,241,255,0.75);
  --font-main: "Michroma", sans-serif;
  --font-alt:  "Silkscreen", cursive;
  --radius:    12px;
  --transition:0.3s ease;
}

html { scroll-behavior: smooth; }

body {
  background-color: var(--bg);
  color: var(--white-dim);
  font-family: var(--font-main);
  overflow-x: hidden;
  line-height: 1.7;
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { display: block; }

/* ─── SCROLLBAR ────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--green-dim); border-radius: 3px; }

/* ─── SELECTION ────────────────────────────────────────────── */
::selection { background: var(--green); color: var(--bg); }

/* ─── CURSOR GLOW ──────────────────────────────────────────── */
.cursor-glow {
  position: fixed;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(64,192,87,0.07) 0%, transparent 70%);
  pointer-events: none;
  transform: translate(-50%, -50%);
  z-index: 0;
  transition: opacity 0.3s;
}

/* ─── PRELOADER ────────────────────────────────────────────── */
#preloader {
  position: fixed;
  inset: 0;
  background: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  flex-direction: column;
  gap: 16px;
}

.preloader-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
}

.preloader-ring {
  width: 56px;
  height: 56px;
  border: 3px solid var(--bg3);
  border-top-color: var(--green);
  border-radius: 50%;
  animation: spin 0.9s linear infinite;
}

.preloader-text {
  font-family: var(--font-alt);
  color: var(--green);
  font-size: 0.85rem;
  letter-spacing: 3px;
  animation: pulse 1.2s ease-in-out infinite;
}

@keyframes spin  { to { transform: rotate(360deg); } }
@keyframes pulse { 0%,100% { opacity:0.4; } 50% { opacity:1; } }

/* ─── GLASS CARD ───────────────────────────────────────────── */
.glass-card {
  background: rgba(13,31,60,0.6);
  border: 1px solid rgba(64,192,87,0.2);
  border-radius: var(--radius);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}

.glass-card:hover {
  border-color: rgba(64,192,87,0.5);
  box-shadow: 0 0 30px rgba(64,192,87,0.12);
}

/* ─── SECTION SHARED ───────────────────────────────────────── */
.section-padding { padding: 100px 0; }

.section-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 40px;
}

.section-title {
  font-family: var(--font-alt);
  font-size: 2rem;
  color: var(--green);
  margin-bottom: 60px;
  position: relative;
  display: inline-block;
}

.section-title::after {
  content: "";
  position: absolute;
  bottom: -10px;
  left: 0;
  width: 60px;
  height: 2px;
  background: var(--green);
  border-radius: 2px;
}

.highlight { color: var(--green); }

/* ─── SCROLL REVEAL ────────────────────────────────────────── */
.reveal-up, .reveal-left, .reveal-right {
  opacity: 0;
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal-up    { transform: translateY(40px); }
.reveal-left  { transform: translateX(-40px); }
.reveal-right { transform: translateX(40px); }

.reveal-up.visible,
.reveal-left.visible,
.reveal-right.visible {
  opacity: 1;
  transform: translate(0);
}

/* ─── NAVBAR ───────────────────────────────────────────────── */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 50px;
  z-index: 100;
  transition: background var(--transition), box-shadow var(--transition);
}

.navbar.scrolled {
  background: rgba(10,25,47,0.95);
  backdrop-filter: blur(12px);
  box-shadow: 0 2px 20px rgba(0,0,0,0.4);
}

#navbar_logo {
  cursor: pointer;
  transition: transform 0.4s ease;
}
#navbar_logo:hover { transform: scale(1.15) rotate(5deg); }

#navbar_list {
  display: flex;
  align-items: center;
  gap: 8px;
}

#navbar_list li a {
  color: var(--white-dim);
  padding: 6px 18px;
  font-size: 0.85rem;
  letter-spacing: 1px;
  transition: color var(--transition);
  position: relative;
}

#navbar_list li a::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 18px;
  right: 18px;
  height: 1px;
  background: var(--green);
  transform: scaleX(0);
  transition: transform var(--transition);
}

#navbar_list li a:hover { color: var(--green); }
#navbar_list li a:hover::after { transform: scaleX(1); }

.nav-btn {
  background: transparent;
  color: var(--green);
  border: 1px solid var(--green);
  padding: 8px 20px;
  border-radius: 6px;
  font-family: var(--font-main);
  font-size: 0.85rem;
  cursor: pointer;
  transition: background var(--transition), color var(--transition), box-shadow var(--transition);
  letter-spacing: 1px;
}

.nav-btn:hover {
  background: rgba(64,192,87,0.1);
  box-shadow: 0 0 14px rgba(64,192,87,0.3);
}

/* ─── HAMBURGER ────────────────────────────────────────────── */
.navbar_menu {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
}

.hamburger-line {
  display: block;
  width: 26px;
  height: 2px;
  background: var(--green);
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

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

/* ─── DROPDOWN ─────────────────────────────────────────────── */
.dropdown_menu {
  display: none;
  position: fixed;
  top: 80px;
  right: 20px;
  width: 240px;
  background: rgba(10,25,47,0.97);
  border: 1px solid rgba(64,192,87,0.3);
  border-radius: var(--radius);
  backdrop-filter: blur(16px);
  overflow: hidden;
  max-height: 0;
  transition: max-height 0.35s cubic-bezier(0.175,0.885,0.32,1.275);
  z-index: 99;
}

.dropdown_menu.open { max-height: 320px; }

.dropdown_menu li {
  padding: 12px 20px;
  border-bottom: 1px solid rgba(64,192,87,0.08);
}

.dropdown_menu li a {
  color: var(--white-dim);
  font-size: 0.9rem;
  transition: color var(--transition);
}

.dropdown_menu li a:hover { color: var(--green); }

.dropdown_menu li a button {
  background: transparent;
  color: var(--green);
  border: 1px solid var(--green);
  padding: 6px 16px;
  border-radius: 6px;
  cursor: pointer;
  font-family: var(--font-main);
  font-size: 0.85rem;
  width: 100%;
  transition: background var(--transition);
}

.dropdown_menu li a button:hover { background: rgba(64,192,87,0.1); }

@media (max-width: 900px) {
  #navbar_list  { display: none; }
  .navbar_menu  { display: flex; }
  .dropdown_menu{ display: block; }
  .navbar       { padding: 0 24px; }
}

/* ─── INTRO ────────────────────────────────────────────────── */
.intro {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 0 20%;
  position: relative;
  overflow: hidden;
}

.intro-content { position: relative; z-index: 1; max-width: 700px; }

.intro-greeting {
  font-family: var(--font-alt);
  font-size: 1.1rem;
  color: var(--green);
  margin-bottom: 12px;
  letter-spacing: 2px;
}

.intro-name {
  font-size: clamp(2.4rem, 6vw, 4.2rem);
  color: var(--white);
  line-height: 1.1;
  margin-bottom: 16px;
  font-family: var(--font-main);
}

#abii {
  color: var(--green);
  display: inline-block;
}

.intro-tagline {
  font-size: clamp(1.4rem, 3.5vw, 2.4rem);
  color: var(--white-dim);
  margin-bottom: 20px;
}

.intro-desc {
  font-size: 1rem;
  color: var(--white-dim);
  max-width: 540px;
  line-height: 1.8;
  margin-bottom: 36px;
}

.intro-cta { display: flex; gap: 16px; flex-wrap: wrap; }

.btn-primary {
  background: var(--green);
  color: var(--bg);
  padding: 12px 28px;
  border-radius: 8px;
  font-family: var(--font-main);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 1px;
  transition: box-shadow var(--transition), transform var(--transition);
}

.btn-primary:hover {
  box-shadow: 0 0 24px rgba(64,192,87,0.5);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--green);
  padding: 12px 28px;
  border-radius: 8px;
  border: 1px solid var(--green);
  font-family: var(--font-main);
  font-size: 0.9rem;
  letter-spacing: 1px;
  transition: background var(--transition), box-shadow var(--transition), transform var(--transition);
}

.btn-outline:hover {
  background: rgba(64,192,87,0.08);
  box-shadow: 0 0 18px rgba(64,192,87,0.25);
  transform: translateY(-2px);
}

/* Animated grid background */
.grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(64,192,87,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(64,192,87,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  z-index: 0;
  animation: gridMove 20s linear infinite;
}

@keyframes gridMove {
  0%   { background-position: 0 0; }
  100% { background-position: 60px 60px; }
}

@media (max-width: 950px)  { .intro { padding: 0 10%; padding-top: 100px; } }
@media (max-width: 550px)  { .intro { padding: 0 5%;  padding-top: 100px; } }

/* ─── ABOUT ────────────────────────────────────────────────── */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}

.about-text p { font-size: 0.97rem; line-height: 1.85; }

/* ─── SKILLS ───────────────────────────────────────────────── */
.skills-panel { padding: 28px; border-radius: var(--radius); }

.skills-heading {
  font-family: var(--font-alt);
  font-size: 1.1rem;
  color: var(--green);
  margin-bottom: 20px;
  letter-spacing: 2px;
}

.skill-category { margin-bottom: 20px; }

.skill-cat-label {
  display: block;
  font-size: 0.72rem;
  color: var(--green);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 10px;
  opacity: 0.8;
}

.skill-tags { display: flex; flex-wrap: wrap; gap: 8px; }

.skill-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(64,192,87,0.07);
  border: 1px solid rgba(64,192,87,0.2);
  color: var(--white-dim);
  padding: 5px 12px;
  border-radius: 20px;
  font-size: 0.8rem;
  cursor: default;
  transition: background var(--transition), border-color var(--transition), transform var(--transition);
}

.skill-tag:hover {
  background: rgba(64,192,87,0.15);
  border-color: var(--green);
  transform: translateY(-2px);
}

.skill-tag a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--white-dim);
}

.skill-tag img { border-radius: 3px; }

@media (max-width: 900px) {
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
}

/* ─── EXPERIENCE / TIMELINE ────────────────────────────────── */
.timeline { position: relative; padding-left: 30px; }

.timeline::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: linear-gradient(to bottom, var(--green), transparent);
}

.timeline-item {
  position: relative;
  margin-bottom: 40px;
}

.timeline-dot {
  position: absolute;
  left: -38px;
  top: 24px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 12px rgba(64,192,87,0.6);
}

.timeline-card { padding: 28px 32px; }

.timeline-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}

.timeline-role {
  font-size: 1.1rem;
  color: var(--white);
  font-family: var(--font-main);
  margin-bottom: 4px;
}

.timeline-company {
  font-size: 0.85rem;
  color: var(--green);
  font-family: var(--font-alt);
}

.timeline-date {
  font-size: 0.78rem;
  color: var(--green);
  background: rgba(64,192,87,0.08);
  border: 1px solid rgba(64,192,87,0.2);
  padding: 4px 12px;
  border-radius: 20px;
  white-space: nowrap;
}

.timeline-points {
  list-style: none;
  margin-bottom: 16px;
}

.timeline-points li {
  font-size: 0.9rem;
  padding: 5px 0 5px 18px;
  position: relative;
  color: var(--white-dim);
}

.timeline-points li::before {
  content: "▹";
  position: absolute;
  left: 0;
  color: var(--green);
}

.timeline-tags { display: flex; flex-wrap: wrap; gap: 8px; }

.timeline-tags span {
  font-size: 0.75rem;
  background: rgba(64,192,87,0.07);
  border: 1px solid rgba(64,192,87,0.2);
  color: var(--green);
  padding: 3px 10px;
  border-radius: 4px;
}

/* ─── PROJECTS ─────────────────────────────────────────────── */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 28px;
}

.project-card {
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.project-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 40px rgba(64,192,87,0.15);
}

.project-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.project-icon {
  font-size: 2rem;
  color: var(--green);
}

.project-links a {
  font-size: 1.3rem;
  color: var(--white-dim);
  transition: color var(--transition), transform var(--transition);
  display: inline-block;
}

.project-links a:hover { color: var(--green); transform: translateY(-2px); }

.project-title {
  font-size: 1.15rem;
  color: var(--white);
  font-family: var(--font-main);
}

.project-subtitle {
  font-size: 0.8rem;
  color: var(--green);
  font-family: var(--font-alt);
  letter-spacing: 1px;
}

.project-desc {
  font-size: 0.88rem;
  color: var(--white-dim);
  line-height: 1.7;
}

.project-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex: 1;
}

.project-features li {
  font-size: 0.82rem;
  color: var(--white-dim);
  padding-left: 16px;
  position: relative;
}

.project-features li::before {
  content: "▹";
  position: absolute;
  left: 0;
  color: var(--green);
  font-size: 0.75rem;
}

.project-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: auto; }

.project-tags span {
  font-size: 0.72rem;
  background: rgba(64,192,87,0.07);
  border: 1px solid rgba(64,192,87,0.18);
  color: var(--green);
  padding: 3px 9px;
  border-radius: 4px;
}

/* ─── EDUCATION ────────────────────────────────────────────── */
.edu-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}

.edu-card {
  padding: 36px 32px;
  display: flex;
  align-items: flex-start;
  gap: 20px;
  transition: transform 0.3s ease;
}

.edu-card:hover { transform: translateY(-4px); }

.edu-icon {
  font-size: 2rem;
  color: var(--green);
  flex-shrink: 0;
  margin-top: 4px;
}

.edu-info a { color: var(--white-dim); }

.edu-degree {
  display: block;
  font-family: var(--font-alt);
  font-size: 1.1rem;
  color: var(--green);
  margin-bottom: 8px;
}

.edu-program { font-size: 0.95rem; color: var(--white); margin-bottom: 6px; }
.edu-year    { font-size: 0.82rem; color: var(--green); margin-bottom: 4px; }
.edu-uni     { font-size: 0.82rem; color: var(--white-dim); }

@media (max-width: 700px) { .edu-grid { grid-template-columns: 1fr; } }

/* ─── CERTIFICATIONS ───────────────────────────────────────── */
.cert-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 20px;
}

.cert-card {
  padding: 24px 16px;
  text-align: center;
  transition: transform 0.3s ease;
}

.cert-card:hover { transform: translateY(-5px); }

.cert-card a {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  color: var(--white-dim);
}

.cert-card img {
  margin: 0 auto;
  object-fit: contain;
}

.cert-card h3 {
  font-family: var(--font-alt);
  font-size: 0.95rem;
  color: var(--green);
}

.cert-card p { font-size: 0.78rem; line-height: 1.5; }

/* ─── CONTACT ──────────────────────────────────────────────── */
.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 60px;
  align-items: start;
}

.contact-tagline {
  font-size: 1.4rem;
  color: var(--white);
  margin-bottom: 32px;
  line-height: 1.4;
}

.contact-links { display: flex; flex-direction: column; gap: 16px; }

.contact-link {
  display: flex;
  align-items: center;
  gap: 14px;
  color: var(--white-dim);
  font-size: 0.9rem;
  transition: color var(--transition), transform var(--transition);
}

.contact-link i { color: var(--green); font-size: 1.1rem; width: 20px; }
.contact-link:hover { color: var(--green); transform: translateX(4px); }

.contact-form-wrap {
  background: rgba(13,31,60,0.6);
  border: 1px solid rgba(64,192,87,0.2);
  border-radius: var(--radius);
  padding: 40px;
  backdrop-filter: blur(10px);
}

.form-title {
  font-family: var(--font-alt);
  font-size: 1.2rem;
  color: var(--green);
  margin-bottom: 28px;
}

.form-group { margin-bottom: 16px; }

.form-group input,
.form-group textarea {
  width: 100%;
  background: rgba(10,25,47,0.8);
  border: 1px solid rgba(64,192,87,0.25);
  border-radius: 8px;
  padding: 12px 16px;
  color: var(--green);
  font-family: var(--font-main);
  font-size: 0.85rem;
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
  resize: vertical;
}

.form-group input::placeholder,
.form-group textarea::placeholder { color: rgba(64,192,87,0.4); }

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--green);
  box-shadow: 0 0 12px rgba(64,192,87,0.15);
}

#contact_btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  background: transparent;
  color: var(--green);
  border: 1px solid var(--green);
  border-radius: 8px;
  padding: 13px;
  font-family: var(--font-main);
  font-size: 0.9rem;
  cursor: pointer;
  letter-spacing: 1px;
  transition: background var(--transition), box-shadow var(--transition), transform var(--transition);
  margin-top: 8px;
}

#contact_btn:hover {
  background: rgba(64,192,87,0.1);
  box-shadow: 0 0 20px rgba(64,192,87,0.25);
  transform: translateY(-2px);
}

@media (max-width: 800px) {
  .contact-wrapper { grid-template-columns: 1fr; gap: 40px; }
}

/* ─── FOOTER ───────────────────────────────────────────────── */
.last_footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 28px 60px;
  border-top: 1px solid rgba(64,192,87,0.1);
  color: rgba(64,192,87,0.5);
  font-size: 0.82rem;
  transition: color var(--transition);
}

.last_footer:hover { color: rgba(64,192,87,0.8); }

.social-icons { display: flex; gap: 16px; }

.icon {
  font-size: 1.2rem;
  color: rgba(64,192,87,0.5);
  transition: color var(--transition), transform var(--transition);
}

.icon:hover { color: var(--green); transform: translateY(-3px); }

@media (max-width: 700px) {
  .last_footer { flex-direction: column; gap: 16px; padding: 24px 20px; text-align: center; }
}

/* ─── RESPONSIVE SECTION INNER ─────────────────────────────── */
@media (max-width: 600px) {
  .section-inner { padding: 0 20px; }
  .section-title { font-size: 1.5rem; }
  .section-padding { padding: 70px 0; }
  .timeline { padding-left: 20px; }
  .timeline-dot { left: -28px; }
  .contact-form-wrap { padding: 24px; }
  .cert-grid { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); }
}

/* ═══════════════════════════════════════════════════════════════
   RESPONSIVE — COMPLETE DEVICE COVERAGE
   Breakpoints:
     xs  : ≤ 380px   (small phones: iPhone SE, Galaxy A)
     sm  : ≤ 480px   (phones)
     md  : ≤ 600px   (large phones / small tablets)
     lg  : ≤ 768px   (tablets portrait)
     xl  : ≤ 900px   (tablets landscape / small laptops)
     2xl : ≤ 1100px  (laptops)
     3xl : ≥ 1400px  (large desktops / ultrawide)
═══════════════════════════════════════════════════════════════ */

/* ─── LARGE DESKTOP (≥1400px) ──────────────────────────────── */
@media (min-width: 1400px) {
  .intro { padding: 0 15%; }
  .section-inner { max-width: 1260px; }
}

/* ─── LAPTOP (≤1100px) ─────────────────────────────────────── */
@media (max-width: 1100px) {
  .intro { padding: 0 12%; }
  .section-inner { padding: 0 32px; }
  .about-grid { gap: 40px; }
}

/* ─── TABLET LANDSCAPE / SMALL LAPTOP (≤900px) ─────────────── */
@media (max-width: 900px) {
  /* Navbar */
  #navbar_list   { display: none; }
  .navbar_menu   { display: flex; }
  .dropdown_menu { display: block; }
  .navbar        { padding: 0 24px; }

  /* Intro */
  .intro { padding: 0 8%; padding-top: 90px; min-height: 100svh; }
  .intro-desc { font-size: 0.95rem; }

  /* About */
  .about-grid { grid-template-columns: 1fr; gap: 36px; }
  .skills-panel { padding: 20px; }

  /* Timeline */
  .timeline { padding-left: 24px; }
  .timeline-dot { left: -32px; width: 12px; height: 12px; top: 26px; }
  .timeline-card { padding: 22px 24px; }
  .timeline-header { flex-direction: column; gap: 6px; }
  .timeline-date { align-self: flex-start; }

  /* Projects */
  .projects-grid { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 20px; }

  /* Education */
  .edu-grid { grid-template-columns: 1fr 1fr; gap: 20px; }
  .edu-card { padding: 24px 20px; }

  /* Contact */
  .contact-wrapper { grid-template-columns: 1fr; gap: 36px; }
  .contact-tagline { font-size: 1.2rem; margin-bottom: 20px; }

  /* Footer */
  .last_footer { padding: 24px 32px; }
}

/* ─── TABLET PORTRAIT (≤768px) ─────────────────────────────── */
@media (max-width: 768px) {
  /* Section */
  .section-padding { padding: 80px 0; }
  .section-inner { padding: 0 24px; }
  .section-title { font-size: 1.75rem; margin-bottom: 40px; }

  /* Intro */
  .intro { padding: 0 6%; padding-top: 90px; }
  .intro-desc { max-width: 100%; }
  .intro-cta { gap: 12px; }
  .btn-primary, .btn-outline { padding: 11px 22px; font-size: 0.85rem; }

  /* Education */
  .edu-grid { grid-template-columns: 1fr; }
  .edu-card { padding: 22px 18px; gap: 14px; }
  .edu-icon { font-size: 1.6rem; }

  /* Certifications */
  .cert-grid { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 14px; }
  .cert-card { padding: 18px 12px; }

  /* Contact form */
  .contact-form-wrap { padding: 28px 20px; }
  .form-title { font-size: 1rem; margin-bottom: 20px; }

  /* Footer */
  .last_footer { flex-direction: column; gap: 14px; padding: 20px 16px; text-align: center; }
  .social-icons { justify-content: center; }
}

/* ─── LARGE PHONE / SMALL TABLET (≤600px) ──────────────────── */
@media (max-width: 600px) {
  /* Section */
  .section-padding { padding: 70px 0; }
  .section-inner { padding: 0 18px; }
  .section-title { font-size: 1.5rem; margin-bottom: 32px; }

  /* Intro */
  .intro { padding: 0 5%; padding-top: 85px; }
  .intro-greeting { font-size: 0.95rem; }
  .intro-tagline { font-size: clamp(1.1rem, 5vw, 1.6rem); }
  .intro-desc { font-size: 0.9rem; line-height: 1.75; margin-bottom: 28px; }

  /* Timeline */
  .timeline { padding-left: 18px; }
  .timeline-dot { left: -26px; width: 10px; height: 10px; top: 28px; }
  .timeline-card { padding: 18px 16px; }
  .timeline-role { font-size: 1rem; }
  .timeline-points li { font-size: 0.85rem; }
  .timeline-tags span { font-size: 0.7rem; }

  /* Projects */
  .projects-grid { grid-template-columns: 1fr; }
  .project-card { padding: 22px 18px; }
  .project-title { font-size: 1.05rem; }
  .project-desc { font-size: 0.85rem; }

  /* Skills */
  .skill-tag { font-size: 0.75rem; padding: 4px 10px; }
  .skill-tag img { width: 18px; height: 18px; }

  /* Certifications */
  .cert-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .cert-card p { font-size: 0.72rem; }

  /* Contact */
  .contact-tagline { font-size: 1.1rem; }
  .contact-link { font-size: 0.82rem; }
  .contact-link span { word-break: break-all; }
  .contact-form-wrap { padding: 20px 16px; }
  .form-group input,
  .form-group textarea { font-size: 0.82rem; padding: 10px 12px; }
  #contact_btn { font-size: 0.85rem; padding: 11px; }
}

/* ─── PHONE (≤480px) ────────────────────────────────────────── */
@media (max-width: 480px) {
  /* Navbar */
  .navbar { padding: 0 16px; height: 68px; }
  #navbar_logo { width: 48px !important; height: 48px !important; }
  .dropdown_menu { top: 68px; right: 12px; width: calc(100vw - 24px); }

  /* Intro */
  .intro { padding: 0 4%; padding-top: 80px; }
  .intro-cta { flex-direction: column; align-items: flex-start; gap: 10px; }
  .btn-primary, .btn-outline { width: 100%; text-align: center; justify-content: center; display: flex; }

  /* Section */
  .section-inner { padding: 0 14px; }
  .section-title { font-size: 1.35rem; }

  /* Timeline */
  .timeline { padding-left: 14px; }
  .timeline-dot { left: -22px; }
  .timeline-card { padding: 16px 14px; }

  /* Education */
  .edu-card { flex-direction: column; gap: 10px; }
  .edu-icon { font-size: 1.4rem; margin-top: 0; }

  /* Certifications */
  .cert-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .cert-card { padding: 14px 8px; }
  .cert-card h3 { font-size: 0.82rem; }
  .cert-card p { font-size: 0.68rem; }

  /* Contact */
  .contact-link span { font-size: 0.78rem; }
  .contact-form-wrap { padding: 16px 12px; }

  /* Footer */
  .last_footer { font-size: 0.75rem; padding: 16px 12px; }
  .icon { font-size: 1.1rem; }
}

/* ─── SMALL PHONE (≤380px) ──────────────────────────────────── */
@media (max-width: 380px) {
  .intro { padding: 0 3%; padding-top: 75px; }
  .intro-greeting { font-size: 0.85rem; letter-spacing: 1px; }
  .section-inner { padding: 0 12px; }
  .section-title { font-size: 1.2rem; }
  .timeline-role { font-size: 0.92rem; }
  .cert-grid { grid-template-columns: repeat(2, 1fr); gap: 8px; }
  .cert-card { padding: 12px 6px; }
  .skill-tag { font-size: 0.7rem; padding: 3px 8px; }
  .skill-tag img { width: 16px; height: 16px; }
  .project-card { padding: 16px 12px; }
  .btn-primary, .btn-outline { font-size: 0.8rem; padding: 10px 16px; }
}

/* ─── TOUCH DEVICES — disable mouse-only effects ────────────── */
@media (hover: none) and (pointer: coarse) {
  .cursor-glow { display: none; }
  .skill-tag:hover { transform: none; }
  .project-card:hover { transform: none; box-shadow: none; }
  .edu-card:hover { transform: none; }
  .cert-card:hover { transform: none; }
  .btn-primary:hover { transform: none; }
  .btn-outline:hover { transform: none; }
  #contact_btn:hover { transform: none; }
  .glass-card:hover { box-shadow: none; border-color: rgba(64,192,87,0.2); }
}

/* ─── REDUCED MOTION ────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .reveal-up, .reveal-left, .reveal-right {
    opacity: 1;
    transform: none;
  }
  .grid-bg { animation: none; }
  .preloader-ring { animation: none; border-top-color: var(--green); }
}

/* ─── PRINT ─────────────────────────────────────────────────── */
@media print {
  .navbar, .dropdown_menu, #preloader, .cursor-glow, .grid-bg { display: none !important; }
  body { background: white; color: black; }
  .glass-card { border: 1px solid #ccc; background: white; }
  .highlight, .section-title, .timeline-role, .edu-degree { color: #1a7a2e; }
  .section-padding { padding: 20px 0; }
  a { color: inherit; }
}