/* ══════════════════════════════════════════
   Assad Khurshid Portfolio v2
   Warm · Personal · Premium · White
═══════════════════════════════════════════ */

:root {
  --white:     #ffffff;
  --off:       #fafaf8;
  --off2:      #f4f2ee;
  --border:    #e8e4dd;
  --border-dk: #d4cfc6;
  --text:      #1a1814;
  --text-2:    #4a453e;
  --muted:     #8a8278;
  --accent:    #c8522a;       /* warm terracotta — premium, warm, personal */
  --accent-lt: #fdf0eb;
  --accent-2:  #2a5fa8;       /* confident blue for secondary */
  --gold:      #b8860b;
  --gold-lt:   #fef9e7;
  --font-head: 'Fraunces', serif;
  --font-body: 'Instrument Sans', sans-serif;
  --font-ui:   'Cabinet Grotesk', sans-serif;
  --radius:    12px;
  --max:       1160px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.08), 0 2px 6px rgba(0,0,0,0.04);
  --shadow-lg: 0 20px 60px rgba(0,0,0,0.12), 0 8px 24px rgba(0,0,0,0.06);
}

/* ── Reset ─────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--white);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
::selection { background: var(--accent); color: #fff; }
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--off); }
::-webkit-scrollbar-thumb { background: var(--border-dk); border-radius: 4px; }

/* ── Layout ─────────────────────────────── */
.container { max-width: var(--max); margin: 0 auto; padding: 0 32px; }
section { padding: 110px 0; }
section:nth-child(even) { background: var(--off); }

/* ── Typography system ───────────────────── */
.section-label {
  font-family: var(--font-ui); font-size: .75rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: .14em;
  color: var(--accent); margin-bottom: 10px;
}
.section-title {
  font-family: var(--font-head);
  font-size: clamp(2rem, 3.8vw, 2.9rem);
  font-weight: 700; line-height: 1.15; letter-spacing: -.02em;
  color: var(--text); margin-bottom: 18px;
}
.section-title em { font-style: italic; color: var(--accent); font-weight: 400; }
.section-rule {
  width: 40px; height: 2px;
  background: var(--accent);
  border-radius: 2px; margin-bottom: 48px;
}
.section-header { margin-bottom: 0; }

/* ══════════════════════════════════════════
   NAV
═══════════════════════════════════════════ */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  padding: 16px 0;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow 0.3s;
}
nav.scrolled { box-shadow: var(--shadow-sm); }
.nav-inner {
  max-width: var(--max); margin: 0 auto; padding: 0 32px;
  display: flex; align-items: center; justify-content: space-between;
}
.nav-logo {
  font-family: var(--font-head); font-size: 1.1rem;
  font-weight: 700; color: var(--text);
}
.nav-logo span { color: var(--accent); }
.nav-links { display: flex; gap: 28px; align-items: center; }
.nav-links a {
  font-family: var(--font-ui); font-size: .82rem; font-weight: 500;
  color: var(--text-2); letter-spacing: .02em;
  transition: color 0.2s; position: relative;
}
.nav-links a::after {
  content: ''; position: absolute; bottom: -3px; left: 0; right: 0;
  height: 2px; background: var(--accent); border-radius: 1px;
  transform: scaleX(0); transition: transform 0.2s;
}
.nav-links a:hover, .nav-links a.active { color: var(--accent); }
.nav-links a:hover::after, .nav-links a.active::after { transform: scaleX(1); }
.nav-cta {
  background: var(--accent) !important; color: #fff !important;
  font-family: var(--font-ui); font-size: .8rem; font-weight: 600;
  padding: 8px 20px; border-radius: 100px;
  transition: opacity 0.2s, transform 0.2s !important;
}
.nav-cta::after { display: none !important; }
.nav-cta:hover { opacity: .88; transform: translateY(-1px) !important; }
.hamburger {
  display: none; flex-direction: column; gap: 5px;
  cursor: pointer; background: none; border: none; padding: 4px;
}
.hamburger span {
  display: block; width: 22px; height: 2px;
  background: var(--text); border-radius: 2px; transition: transform 0.3s;
}

/* ══════════════════════════════════════════
   HERO
═══════════════════════════════════════════ */
#hero {
  min-height: 100vh; display: flex; align-items: center;
  padding-top: 80px; background: var(--white);
  position: relative; overflow: hidden;
}
#hero::before {
  content: '';
  position: absolute; top: -200px; right: -200px;
  width: 700px; height: 700px; border-radius: 50%;
  background: radial-gradient(circle, rgba(200,82,42,0.06) 0%, transparent 70%);
  pointer-events: none;
}
.hero-layout {
  display: grid; grid-template-columns: 1fr 480px;
  gap: 80px; align-items: center;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-ui); font-size: .78rem; font-weight: 600;
  color: var(--accent); background: var(--accent-lt);
  border: 1px solid rgba(200,82,42,0.2);
  padding: 6px 14px; border-radius: 100px; margin-bottom: 28px;
  animation: fadeUp 0.6s ease both;
}
.badge-dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--accent); animation: pulse 2s infinite;
}
@keyframes pulse { 0%,100%{opacity:1;transform:scale(1)} 50%{opacity:.5;transform:scale(1.5)} }
h1 {
  font-family: var(--font-head);
  font-size: clamp(2.6rem, 4.5vw, 4rem);
  font-weight: 700; line-height: 1.1; letter-spacing: -.03em;
  color: var(--text); margin-bottom: 24px;
  animation: fadeUp 0.7s 0.1s ease both;
}
h1 em { font-style: italic; color: var(--accent); font-weight: 400; }
.hero-desc {
  font-size: 1.05rem; color: var(--text-2); max-width: 500px;
  line-height: 1.8; margin-bottom: 36px;
  animation: fadeUp 0.7s 0.2s ease both;
}
.hero-actions {
  display: flex; gap: 14px; flex-wrap: wrap;
  margin-bottom: 44px;
  animation: fadeUp 0.7s 0.3s ease both;
}
.btn-primary {
  background: var(--accent); color: #fff;
  font-family: var(--font-ui); font-weight: 700; font-size: .9rem;
  padding: 13px 30px; border-radius: 100px;
  transition: transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 4px 20px rgba(200,82,42,0.3);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(200,82,42,0.4); }
.btn-outline {
  background: transparent; color: var(--text);
  font-family: var(--font-ui); font-weight: 600; font-size: .9rem;
  padding: 13px 30px; border-radius: 100px;
  border: 1.5px solid var(--border-dk);
  transition: border-color 0.2s, color 0.2s;
}
.btn-outline:hover { border-color: var(--accent); color: var(--accent); }
.hero-meta {
  display: flex; gap: 24px; flex-wrap: wrap;
  animation: fadeUp 0.7s 0.4s ease both;
}
.meta-item {
  display: flex; align-items: center; gap: 6px;
  font-family: var(--font-ui); font-size: .82rem; color: var(--muted); font-weight: 500;
}
.meta-item svg { color: var(--accent); flex-shrink: 0; }

/* Hero photo */
.hero-photo-wrap {
  position: relative;
  animation: fadeUp 0.9s 0.15s ease both;
}
.hero-photo-frame {
  border-radius: 28px; overflow: hidden;
  box-shadow: var(--shadow-lg);
  aspect-ratio: 4/5;
  border: 4px solid var(--white);
  outline: 1px solid var(--border);
}
.hero-photo {
  width: 100%; height: 100%;
  object-fit: cover; object-position: top center;
}
.hero-float-card {
  position: absolute;
  background: var(--white); border: 1px solid var(--border);
  border-radius: 14px; padding: 12px 16px;
  box-shadow: var(--shadow-md);
  display: flex; align-items: center; gap: 10px;
  animation: float 4s ease-in-out infinite;
}
.hero-float-card.card-1 { bottom: 80px; left: -50px; animation-delay: 0s; }
.hero-float-card.card-2 { top: 60px; left: -40px; animation-delay: 1.5s; }
.hero-float-card.card-3 { bottom: 180px; right: -40px; animation-delay: 0.8s; }
@keyframes float { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-8px)} }
.fc-icon { font-size: 1.4rem; }
.fc-num { font-family: var(--font-head); font-weight: 700; font-size: 1.1rem; line-height: 1; color: var(--accent); }
.fc-label { font-family: var(--font-ui); font-size: .7rem; color: var(--muted); font-weight: 500; margin-top: 2px; }

/* Scroll hint */
.hero-scroll-hint {
  position: absolute; bottom: 36px; left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  font-family: var(--font-ui); font-size: .72rem; color: var(--muted);
  letter-spacing: .1em; text-transform: uppercase;
  animation: fadeUp 1s 0.8s ease both;
}
.scroll-line {
  width: 1px; height: 40px; background: linear-gradient(180deg, var(--accent), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}
@keyframes scrollPulse { 0%,100%{opacity:1} 50%{opacity:.3} }

/* ══════════════════════════════════════════
   ABOUT
═══════════════════════════════════════════ */
#about { background: var(--off); }
.about-layout {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 90px; align-items: start;
}
.about-img-frame {
  border-radius: 24px; overflow: hidden;
  position: relative; box-shadow: var(--shadow-lg);
}
.about-img {
  width: 100%; display: block;
  aspect-ratio: 4/3; object-fit: cover;
  transition: transform 0.5s;
}
.about-img-frame:hover .about-img { transform: scale(1.03); }
.about-img-badge {
  position: absolute; bottom: 20px; left: 20px;
  background: var(--white); border-radius: 12px;
  padding: 10px 16px; box-shadow: var(--shadow-md);
  font-family: var(--font-ui); font-size: .78rem; color: var(--muted); font-weight: 500;
  line-height: 1.4;
}
.about-img-badge span {
  display: block; font-family: var(--font-head);
  font-size: 1.3rem; font-weight: 700; color: var(--accent); line-height: 1;
  margin-bottom: 2px;
}
.about-p {
  color: var(--text-2); line-height: 1.85; margin-bottom: 18px; font-size: .98rem;
}
.about-p strong { color: var(--text); font-weight: 600; }
.about-facts {
  display: grid; grid-template-columns: repeat(4,1fr);
  gap: 16px; margin: 32px 0;
}
.fact-item {
  background: var(--white); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 16px 12px; text-align: center;
  transition: border-color 0.2s, transform 0.2s;
}
.fact-item:hover { border-color: var(--accent); transform: translateY(-2px); }
.fact-num {
  font-family: var(--font-head); font-size: 1.7rem; font-weight: 700;
  color: var(--accent); line-height: 1; margin-bottom: 4px;
}
.fact-label { font-family: var(--font-ui); font-size: .7rem; color: var(--muted); font-weight: 600; text-transform: uppercase; letter-spacing: .04em; }
.about-chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  font-family: var(--font-ui); font-size: .78rem; font-weight: 500;
  background: var(--white); border: 1px solid var(--border-dk);
  color: var(--text-2); padding: 5px 13px; border-radius: 100px;
  transition: border-color 0.2s, color 0.2s, background 0.2s;
}
.chip:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-lt); }

/* ══════════════════════════════════════════
   SKILLS
═══════════════════════════════════════════ */
#skills { background: var(--white); }
.skills-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; }
.skill-card {
  background: var(--off); border: 1px solid var(--border);
  border-radius: 16px; padding: 28px;
  transition: border-color 0.3s, transform 0.3s, box-shadow 0.3s;
}
.skill-card:hover { border-color: var(--accent); transform: translateY(-4px); box-shadow: var(--shadow-md); }
.sk-icon { font-size: 1.8rem; margin-bottom: 12px; }
.sk-title { font-family: var(--font-ui); font-weight: 700; font-size: .95rem; color: var(--text); margin-bottom: 16px; }
.sk-tags { display: flex; flex-wrap: wrap; gap: 7px; }
.sk-tags span {
  font-family: var(--font-ui); font-size: .76rem; font-weight: 500;
  background: var(--white); border: 1px solid var(--border);
  color: var(--text-2); padding: 4px 10px; border-radius: 6px;
}

/* ══════════════════════════════════════════
   PROJECTS
═══════════════════════════════════════════ */
#projects { background: var(--off); }
.projects-list { display: flex; flex-direction: column; gap: 0; }
.project-row {
  display: grid; grid-template-columns: 80px 1fr;
  gap: 32px; padding: 40px 0;
  border-bottom: 1px solid var(--border);
  transition: background 0.2s;
}
.project-row:first-child { border-top: 1px solid var(--border); }
.project-row:hover { background: rgba(200,82,42,0.02); }
.pr-number {
  font-family: var(--font-head); font-size: 2.2rem; font-weight: 300;
  color: var(--border-dk); line-height: 1; padding-top: 4px;
}
.pr-top {
  display: flex; align-items: flex-start;
  justify-content: space-between; gap: 20px; margin-bottom: 12px;
  flex-wrap: wrap;
}
.pr-category {
  font-family: var(--font-ui); font-size: .75rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: .1em; color: var(--accent);
  margin-bottom: 4px;
}
.pr-title {
  font-family: var(--font-head); font-size: 1.35rem; font-weight: 600;
  color: var(--text); line-height: 1.2;
}
.pr-link {
  display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--font-ui); font-size: .82rem; font-weight: 600;
  color: var(--accent); border: 1.5px solid rgba(200,82,42,0.3);
  padding: 7px 16px; border-radius: 100px;
  transition: background 0.2s, border-color 0.2s;
  white-space: nowrap; flex-shrink: 0;
}
.pr-link:hover { background: var(--accent-lt); border-color: var(--accent); }
.pr-desc { color: var(--text-2); font-size: .92rem; line-height: 1.75; margin-bottom: 14px; }
.pr-impact {
  display: inline-block;
  font-family: var(--font-ui); font-size: .8rem; font-weight: 600;
  background: var(--accent-lt); color: var(--accent);
  border: 1px solid rgba(200,82,42,0.15);
  padding: 6px 14px; border-radius: 8px; margin-bottom: 16px;
}
.pr-tools { display: flex; flex-wrap: wrap; gap: 6px; }
.pr-tools span {
  font-family: var(--font-ui); font-size: .75rem; font-weight: 500;
  background: var(--white); border: 1px solid var(--border);
  color: var(--muted); padding: 3px 10px; border-radius: 5px;
}

/* ══════════════════════════════════════════
   EXPERIENCE
═══════════════════════════════════════════ */
#experience { background: var(--white); }
.exp-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; }
.exp-card {
  background: var(--off); border: 1px solid var(--border);
  border-radius: 16px; padding: 28px;
  transition: border-color 0.3s, transform 0.3s, box-shadow 0.3s;
}
.exp-card:hover { border-color: var(--border-dk); transform: translateY(-3px); box-shadow: var(--shadow-md); }
.exp-featured { border-color: rgba(200,82,42,0.3); background: var(--accent-lt); }
.exp-featured:hover { border-color: var(--accent); }
.exp-period {
  font-family: var(--font-ui); font-size: .75rem; font-weight: 600;
  color: var(--muted); text-transform: uppercase; letter-spacing: .06em;
  margin-bottom: 10px;
}
.exp-role { font-family: var(--font-head); font-size: 1.15rem; font-weight: 600; margin-bottom: 4px; }
.exp-company { font-family: var(--font-ui); font-size: .9rem; font-weight: 600; color: var(--accent); margin-bottom: 16px; }
.exp-loc { color: var(--muted); font-weight: 400; }
.exp-points { list-style: none; padding: 0; display: flex; flex-direction: column; gap: 8px; margin-bottom: 18px; }
.exp-points li {
  font-size: .875rem; color: var(--text-2); line-height: 1.6;
  padding-left: 16px; position: relative;
}
.exp-points li::before {
  content: ''; position: absolute; left: 0; top: 9px;
  width: 5px; height: 5px; border-radius: 50%; background: var(--accent);
}
.exp-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.exp-tags span {
  font-family: var(--font-ui); font-size: .72rem; font-weight: 600;
  background: var(--white); border: 1px solid var(--border);
  color: var(--text-2); padding: 3px 9px; border-radius: 5px;
}

/* ══════════════════════════════════════════
   EDUCATION
═══════════════════════════════════════════ */
#education { background: var(--off); }
.edu-row { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.edu-card {
  background: var(--white); border: 1px solid var(--border);
  border-radius: 20px; padding: 36px;
  transition: border-color 0.3s;
}
.edu-card:hover { border-color: var(--border-dk); }
.edu-active { border-color: rgba(200,82,42,0.25); }
.edu-active:hover { border-color: var(--accent); }
.edu-tag {
  display: inline-block; font-family: var(--font-ui); font-size: .72rem; font-weight: 700;
  background: var(--accent); color: #fff;
  padding: 4px 12px; border-radius: 100px; margin-bottom: 18px;
  text-transform: uppercase; letter-spacing: .06em;
}
.edu-tag-gold { background: var(--gold); }
.edu-degree { font-family: var(--font-head); font-size: 1.3rem; font-weight: 600; margin-bottom: 6px; line-height: 1.2; }
.edu-uni { font-family: var(--font-ui); font-weight: 600; color: var(--accent); font-size: .93rem; margin-bottom: 4px; }
.edu-period { font-family: var(--font-ui); font-size: .78rem; color: var(--muted); margin-bottom: 22px; }
.edu-list { list-style: none; padding: 0; }
.edu-list li {
  font-size: .86rem; color: var(--text-2);
  padding: 7px 0; border-bottom: 1px solid var(--border);
  display: flex; align-items: flex-start; gap: 10px; line-height: 1.5;
}
.edu-list li:last-child { border-bottom: none; }
.edu-list li::before { content: '→'; color: var(--accent); font-size: .75rem; flex-shrink: 0; margin-top: 2px; }

/* ══════════════════════════════════════════
   CERTIFICATIONS
═══════════════════════════════════════════ */
#certifications { background: var(--white); }
.certs-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 14px; }
.cert-item {
  background: var(--off); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 18px 20px;
  display: flex; align-items: flex-start; gap: 12px;
  transition: border-color 0.2s, transform 0.2s;
}
.cert-item:hover { border-color: var(--accent); transform: translateY(-2px); }
.cert-dot {
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--accent); flex-shrink: 0; margin-top: 5px;
}
.cert-dot.cert-gold { background: var(--gold); }
.cert-name { font-weight: 600; font-size: .88rem; margin-bottom: 3px; line-height: 1.4; }
.cert-src { font-family: var(--font-ui); font-size: .72rem; color: var(--accent); font-weight: 600; }

/* ══════════════════════════════════════════
   CONTACT
═══════════════════════════════════════════ */
#contact { background: var(--off); }
.contact-wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: start; }
.contact-desc { color: var(--text-2); line-height: 1.85; margin-bottom: 36px; font-size: .98rem; }
.contact-links { display: flex; flex-direction: column; gap: 12px; }
.clink {
  display: flex; align-items: center; gap: 14px;
  background: var(--white); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 14px 18px;
  transition: border-color 0.2s, transform 0.2s, box-shadow 0.2s;
}
.clink:hover { border-color: var(--accent); transform: translateX(4px); box-shadow: var(--shadow-sm); }
.clink-icon { font-size: 1.2rem; flex-shrink: 0; }
.clink-label { font-family: var(--font-ui); font-size: .7rem; font-weight: 600; color: var(--muted); text-transform: uppercase; letter-spacing: .06em; margin-bottom: 2px; }
.clink-val { font-weight: 600; font-size: .88rem; color: var(--accent); }
.contact-right { }
.form-title { font-family: var(--font-head); font-size: 1.4rem; font-weight: 600; margin-bottom: 24px; }
.contact-form { display: flex; flex-direction: column; gap: 16px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.fgroup { display: flex; flex-direction: column; gap: 6px; }
.fgroup label { font-family: var(--font-ui); font-size: .75rem; font-weight: 600; color: var(--text-2); letter-spacing: .02em; }
.fgroup input, .fgroup textarea {
  background: var(--white); border: 1.5px solid var(--border);
  border-radius: var(--radius); padding: 12px 15px;
  color: var(--text); font-family: var(--font-body); font-size: .9rem;
  outline: none; transition: border-color 0.2s; resize: none;
}
.fgroup input:focus, .fgroup textarea:focus { border-color: var(--accent); }
.fgroup input::placeholder, .fgroup textarea::placeholder { color: var(--muted); }
.form-btn {
  background: var(--accent); color: #fff;
  font-family: var(--font-ui); font-weight: 700; font-size: .9rem;
  padding: 14px 30px; border-radius: 100px; border: none; cursor: pointer;
  box-shadow: 0 4px 20px rgba(200,82,42,0.3);
  transition: transform 0.2s, box-shadow 0.2s;
}
.form-btn:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(200,82,42,0.4); }

/* ══════════════════════════════════════════
   FOOTER
═══════════════════════════════════════════ */
footer {
  background: var(--text); color: rgba(255,255,255,0.7);
  padding: 40px 0;
}
.footer-inner {
  max-width: var(--max); margin: 0 auto; padding: 0 32px;
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 20px;
}
.footer-name { font-family: var(--font-head); font-size: 1.1rem; font-weight: 700; color: #fff; }
.footer-tagline { font-size: .8rem; margin-top: 2px; }
.footer-socials { display: flex; gap: 14px; }
.footer-socials a {
  width: 38px; height: 38px; border-radius: 10px;
  background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.12);
  display: flex; align-items: center; justify-content: center;
  color: rgba(255,255,255,0.6);
  transition: background 0.2s, color 0.2s, transform 0.2s;
}
.footer-socials a:hover { background: var(--accent); color: #fff; border-color: var(--accent); transform: translateY(-2px); }
.footer-copy { font-size: .78rem; }

/* ══════════════════════════════════════════
   ANIMATIONS
═══════════════════════════════════════════ */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(28px); }
  to   { opacity: 1; transform: translateY(0); }
}
.fade-in {
  opacity: 0; transform: translateY(22px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}
.fade-in.visible { opacity: 1; transform: translateY(0); }

/* ══════════════════════════════════════════
   RESPONSIVE
═══════════════════════════════════════════ */
@media (max-width: 1024px) {
  .hero-layout { grid-template-columns: 1fr; gap: 50px; }
  .hero-photo-wrap { max-width: 380px; margin: 0 auto; }
  .about-layout { grid-template-columns: 1fr; gap: 50px; }
  .exp-grid { grid-template-columns: 1fr; }
  .edu-row { grid-template-columns: 1fr; }
  .skills-grid { grid-template-columns: repeat(2,1fr); }
  .certs-grid { grid-template-columns: repeat(2,1fr); }
  .contact-wrap { grid-template-columns: 1fr; gap: 50px; }
}
@media (max-width: 640px) {
  section { padding: 80px 0; }
  .container { padding: 0 20px; }
  .nav-links { display: none; }
  .nav-links.open {
    display: flex; flex-direction: column;
    position: fixed; top: 58px; left: 0; right: 0;
    background: var(--white); border-bottom: 1px solid var(--border);
    padding: 24px 20px; gap: 18px; z-index: 99;
    box-shadow: var(--shadow-md);
  }
  .hamburger { display: flex; }
  .skills-grid, .certs-grid { grid-template-columns: 1fr; }
  .about-facts { grid-template-columns: repeat(2,1fr); }
  .form-row { grid-template-columns: 1fr; }
  .hero-float-card.card-1 { left: -10px; }
  .hero-float-card.card-2 { left: -10px; }
  .hero-float-card.card-3 { right: -10px; }
  .project-row { grid-template-columns: 1fr; gap: 8px; }
  .pr-number { font-size: 1rem; padding-top: 0; }
}