/*
 * style.css — Nadim Kanan, PhD | Energy Storage Executive
 * Design: "Executive Command"
 * Typography: Manrope (all text) + JetBrains Mono (labels, chips, dates only)
 * Palette: Deep Navy #0c1e33 · Electric Blue #1769AA · Off-white #eef4fa
 * Images: hero_bg.jpg (BESS grid) · nadim.jpg (headshot)
 */

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: 'Manrope', system-ui, sans-serif;
  font-size: 15px;
  line-height: 1.65;
  background: #f4f7fa;
  color: #1a2a3a;
}

h1, h2, h3, h4 {
  font-family: 'Manrope', sans-serif;
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
}

a { text-decoration: none; }
img { display: block; max-width: 100%; }

::selection {
  background: rgba(23, 105, 170, 0.18);
  color: #1a2a3a;
}

::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: #f0f4f8; }
::-webkit-scrollbar-thumb { background: #b0c4d8; border-radius: 3px; }

/* ── CSS Variables ─────────────────────────────────────────────────────────── */
:root {
  --blue:        #1769AA;
  --blue-light:  #4a9edd;
  --blue-hover:  #1e7fc4;
  --navy:        #0c1e33;
  --navy-dark:   #08121e;
  --navy-darkest:#060e18;
  --off-white:   #eef4fa;
  --text-muted:  #5a7a98;
  --text-dim:    #7a9cbc;
  --border-dark: rgba(255,255,255,0.07);
  --ease-out:    cubic-bezier(0.23, 1, 0.32, 1);
}

/* ── Shared Utilities ──────────────────────────────────────────────────────── */
.section-inner {
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
}

.section-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--blue);
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}
.section-label::before {
  content: '';
  display: block;
  width: 22px;
  height: 2px;
  background: var(--blue);
  flex-shrink: 0;
}
.section-label.light { color: var(--blue-light); }
.section-label.light::before { background: var(--blue-light); }

.section-h2 {
  font-size: clamp(1.7rem, 3vw, 2.3rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: #1a2a3a;
  margin-bottom: 44px;
}
.section-h2.light { color: var(--off-white); }

.divider { height: 1px; background: #e8f0f8; margin: 16px 0; }

/* ── Animations ────────────────────────────────────────────────────────────── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.fade-up        { animation: fadeUp 0.8s var(--ease-out) both; }
.fade-in-delay  { animation: fadeIn 1s 0.3s both; }

@media (prefers-reduced-motion: reduce) {
  .fade-up, .fade-in-delay { animation: none; }
}

/* ── NAV ───────────────────────────────────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: 64px;
  background: rgba(10, 20, 34, 0.88);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: background 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
  padding: 0 2.5rem;
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 11px;
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
}

.nav-logo-icon {
  width: 34px; height: 34px;
  background: linear-gradient(135deg, #1769AA, #2a8fd4);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 2px 8px rgba(23, 105, 170, 0.4);
  flex-shrink: 0;
}

.nav-logo-name {
  font-family: 'Manrope', sans-serif;
  font-size: 14px;
  font-weight: 800;
  color: #f0f4f8;
  letter-spacing: -0.01em;
  line-height: 1.2;
}

.nav-logo-sub {
  font-family: 'JetBrains Mono', monospace;
  font-size: 9px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #4a7aaa;
  margin-top: 1px;
}

.nav-links {
  display: flex;
  gap: 2px;
}

.nav-link {
  font-family: 'Manrope', sans-serif;
  font-size: 13px;
  font-weight: 500;
  color: #7a9cbc;
  padding: 6px 13px;
  border-radius: 6px;
  transition: color 0.15s, background 0.15s;
  letter-spacing: 0.01em;
}
.nav-link:hover { color: #f0f4f8; background: rgba(255,255,255,0.07); }

.nav-cta {
  font-family: 'Manrope', sans-serif;
  font-size: 13px;
  font-weight: 700;
  color: white;
  background: var(--blue);
  padding: 8px 18px;
  border-radius: 7px;
  display: flex; align-items: center; gap: 7px;
  letter-spacing: 0.01em;
  box-shadow: 0 2px 10px rgba(23,105,170,0.35);
  transition: background 0.15s;
  white-space: nowrap;
}
.nav-cta:hover { background: var(--blue-hover); }

.nav-mobile-btn {
  display: none;
  background: none;
  border: none;
  color: #c8dff0;
  padding: 6px;
  cursor: pointer;
}

/* Mobile drawer */
.mobile-overlay {
  position: fixed; inset: 0; z-index: 88;
  background: rgba(6,12,22,0.7);
  opacity: 0; pointer-events: none;
  transition: opacity 0.25s ease;
}
.mobile-drawer {
  position: fixed; top: 0; right: 0; bottom: 0; z-index: 89;
  width: 260px;
  background: var(--navy);
  border-left: 1px solid rgba(255,255,255,0.07);
  padding: 80px 24px 32px;
  display: flex; flex-direction: column; gap: 4px;
  transform: translateX(100%);
  transition: transform 0.28s var(--ease-out);
}
.mobile-link {
  font-family: 'Manrope', sans-serif;
  font-size: 1rem; font-weight: 600;
  color: #7a9cbc;
  padding: 12px 16px;
  border-radius: 8px;
  transition: color 0.15s, background 0.15s;
}
.mobile-link:hover { color: #f0f4f8; background: rgba(255,255,255,0.07); }
.mobile-cta {
  margin-top: 16px;
  display: flex; align-items: center; justify-content: center; gap: 8px;
  background: var(--blue); color: white;
  font-family: 'Manrope', sans-serif;
  font-weight: 700; font-size: 14px;
  padding: 12px 20px; border-radius: 8px;
  transition: background 0.15s;
}
.mobile-cta:hover { background: var(--blue-hover); }

/* ── HERO ──────────────────────────────────────────────────────────────────── */
.hero {
  min-height: 100vh;
  position: relative;
  display: flex;
  align-items: center;
  padding: 80px 2.5rem 80px;
  overflow: hidden;
  /* BESS grid background image */
  background-image: url('hero_bg.jpg');
  background-size: cover;
  background-position: center 40%;
}

.hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(
    108deg,
    rgba(6,14,26,0.93)  0%,
    rgba(8,18,34,0.88)  45%,
    rgba(8,18,34,0.65)  70%,
    rgba(8,18,34,0.40)  100%
  );
}

.hero-inner {
  position: relative; z-index: 2;
  max-width: 1200px; margin: 0 auto; width: 100%;
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 64px;
  align-items: center;
}

/* Hero text */
.hero-text { /* fade-up applied via class */ }

.hero-eyebrow {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--blue-light);
  display: flex; align-items: center; gap: 10px;
  margin-bottom: 22px;
}
.eyebrow-line {
  display: block; width: 28px; height: 2px;
  background: var(--blue); flex-shrink: 0;
}

.hero-h1 {
  font-size: clamp(2.3rem, 4vw, 3.5rem);
  font-weight: 800;
  color: #eef4fa;
  line-height: 1.1;
  letter-spacing: -0.035em;
  margin-bottom: 22px;
}
.hero-h1 em {
  font-style: normal;
  color: var(--blue-light);
}

.hero-sub {
  font-size: 1rem;
  font-weight: 400;
  color: #7a9cbc;
  line-height: 1.75;
  max-width: 500px;
  margin-bottom: 36px;
}

.hero-btns { display: flex; gap: 12px; flex-wrap: wrap; }

.btn-primary {
  font-family: 'Manrope', sans-serif;
  font-size: 14px; font-weight: 700;
  background: var(--blue); color: white;
  padding: 13px 24px; border-radius: 8px;
  display: inline-flex; align-items: center; gap: 8px;
  box-shadow: 0 4px 16px rgba(23,105,170,0.35);
  letter-spacing: 0.01em;
  transition: background 0.15s, transform 0.16s var(--ease-out);
}
.btn-primary:hover  { background: var(--blue-hover); }
.btn-primary:active { transform: scale(0.97); }

.btn-outline {
  font-family: 'Manrope', sans-serif;
  font-size: 14px; font-weight: 600;
  background: rgba(255,255,255,0.07); color: #c8dff0;
  padding: 13px 24px; border-radius: 8px;
  border: 1px solid rgba(255,255,255,0.18);
  display: inline-flex; align-items: center; gap: 8px;
  letter-spacing: 0.01em;
  transition: background 0.15s, transform 0.16s var(--ease-out);
}
.btn-outline:hover  { background: rgba(255,255,255,0.12); }
.btn-outline:active { transform: scale(0.97); }

/* Hero photo */
.hero-photo-wrap {
  position: relative;
  display: flex; justify-content: center;
}

.hero-accent-line {
  position: absolute; top: 24px; left: -14px;
  width: 3px; height: 90px;
  background: linear-gradient(to bottom, var(--blue), transparent);
  border-radius: 2px;
}

.hero-photo-frame {
  position: relative;
  width: 320px; height: 370px;
  border-radius: 18px; overflow: hidden;
  border: 1.5px solid rgba(23,105,170,0.45);
  box-shadow: 0 0 0 1px rgba(255,255,255,0.05), 0 28px 64px rgba(0,0,0,0.55);
}

.hero-photo {
  width: 100%; height: 100%;
  object-fit: cover; object-position: center top;
  filter: grayscale(15%) contrast(1.05) brightness(0.97);
}

.hero-photo-gradient {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(6,14,26,0.65) 0%, transparent 55%);
}

/* Credential chip */
.hero-chip {
  position: absolute;
  bottom: -18px; left: 50%; transform: translateX(-50%);
  background: rgba(8,16,28,0.96);
  border: 1px solid rgba(23,105,170,0.45);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-radius: 10px;
  padding: 11px 22px;
  white-space: nowrap; z-index: 10;
  display: flex; align-items: center; gap: 16px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.4);
}
.chip-item { text-align: center; }
.chip-val {
  font-family: 'JetBrains Mono', monospace;
  font-size: 17px; font-weight: 500;
  color: var(--blue-light); line-height: 1;
}
.chip-lbl {
  font-family: 'JetBrains Mono', monospace;
  font-size: 8.5px; letter-spacing: 0.1em;
  color: #4a6a8a; text-transform: uppercase; margin-top: 3px;
}
.chip-div { width: 1px; height: 30px; background: rgba(255,255,255,0.08); }

/* ── SECTION BACKGROUNDS ───────────────────────────────────────────────────── */
.section-light  { background: #f8fafc; padding: 88px 2.5rem; }
.section-white  { background: white;   padding: 88px 2.5rem; }
.section-dark   { background: var(--navy);    padding: 88px 2.5rem; }
.section-darkest{ background: var(--navy-dark); padding: 80px 2.5rem; }

/* ── ABOUT ─────────────────────────────────────────────────────────────────── */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 64px;
  align-items: start;
}

.about-body p {
  font-size: 0.975rem;
  font-weight: 400;
  color: #3a5068;
  line-height: 1.8;
  margin-bottom: 18px;
}

.about-card {
  background: white;
  border: 1px solid #dde8f2;
  border-radius: 14px;
  padding: 26px;
  box-shadow: 0 2px 12px rgba(23,105,170,0.06);
}

.about-card-role {
  font-size: 1rem; font-weight: 800;
  color: #1a2a3a; margin-bottom: 3px;
}
.about-card-company {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px; color: var(--blue);
  letter-spacing: 0.06em; margin-bottom: 18px;
}
.card-sublabel {
  font-family: 'JetBrains Mono', monospace;
  font-size: 9px; color: #8aaccc;
  letter-spacing: 0.1em; text-transform: uppercase;
  margin-bottom: 10px;
}
.skills-wrap { display: flex; flex-wrap: wrap; gap: 4px; }
.skill-tag {
  font-family: 'Manrope', sans-serif;
  font-size: 11px; font-weight: 600;
  background: rgba(23,105,170,0.07);
  color: var(--blue);
  border: 1px solid rgba(23,105,170,0.18);
  border-radius: 5px;
  padding: 3px 9px;
}
.card-degree {
  font-size: 13px; font-weight: 700; color: #1a2a3a;
}
.card-school {
  font-family: 'JetBrains Mono', monospace;
  font-size: 9.5px; color: #5a7a9a; margin-top: 3px;
}

/* ── EXPERTISE ─────────────────────────────────────────────────────────────── */
.expertise-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.exp-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border-dark);
  border-radius: 12px;
  padding: 26px;
  transition: border-color 0.2s ease, transform 0.22s var(--ease-out), box-shadow 0.22s var(--ease-out);
  cursor: default;
}

.exp-icon {
  width: 42px; height: 42px;
  background: rgba(23,105,170,0.14);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 16px;
}

.exp-title {
  font-size: 0.93rem; font-weight: 700;
  color: #e8f2fa; margin-bottom: 9px;
  letter-spacing: -0.01em;
}
.exp-desc {
  font-size: 0.82rem; font-weight: 400;
  color: var(--text-muted); line-height: 1.65;
}

/* ── TIMELINE ──────────────────────────────────────────────────────────────── */
.timeline-cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
}

.timeline {
  position: relative;
  padding-left: 30px;
}
.timeline::before {
  content: '';
  position: absolute; left: 7px; top: 8px; bottom: 8px;
  width: 2px;
  background: linear-gradient(to bottom, var(--blue) 0%, #dde8f2 100%);
}

.tl-item { position: relative; margin-bottom: 34px; }

.tl-dot {
  position: absolute; left: -26px; top: 5px;
  border-radius: 50%;
  border: 2.5px solid white;
}
.tl-dot.primary {
  width: 12px; height: 12px;
  background: var(--blue);
  box-shadow: 0 0 0 3px rgba(23,105,170,0.18);
}
.tl-dot.secondary {
  width: 8px; height: 8px;
  left: -24px; top: 7px;
  background: #8aaccc;
  box-shadow: none;
  border: 2px solid white;
}

.tl-company {
  font-size: 0.93rem; font-weight: 800;
  color: #1a2a3a; letter-spacing: -0.01em;
}
.tl-role {
  font-size: 0.85rem; font-weight: 600;
  color: var(--blue); margin-top: 2px;
}
.tl-role.muted { color: #3a5068; }
.tl-date {
  font-family: 'JetBrains Mono', monospace;
  font-size: 9.5px; color: #8aaccc;
  letter-spacing: 0.06em; margin-top: 4px;
  text-transform: uppercase;
}
.tl-desc {
  font-size: 0.82rem; font-weight: 400;
  color: #5a7a9a; line-height: 1.65; margin-top: 7px;
}

/* Education block */
.edu-block {
  margin-top: 44px; padding-top: 36px;
  border-top: 1px solid #e8f0f8;
}
.edu-title {
  font-size: 0.93rem; font-weight: 800;
  color: #1a2a3a; margin-bottom: 22px;
  letter-spacing: -0.01em;
}
.edu-item {
  display: flex; gap: 14px;
  margin-bottom: 18px; align-items: flex-start;
}
.edu-badge {
  width: 36px; height: 36px;
  background: rgba(23,105,170,0.08);
  border-radius: 9px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.edu-degree {
  font-size: 0.875rem; font-weight: 700;
  color: #1a2a3a; line-height: 1.3;
}
.edu-school {
  font-family: 'JetBrains Mono', monospace;
  font-size: 9.5px; color: #5a7a9a;
  margin-top: 3px; text-transform: uppercase;
}

/* ── PATENTS / INNOVATION ──────────────────────────────────────────────────── */
.patents-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: center;
}

.patents-metric {
  font-family: 'Manrope', sans-serif;
  font-size: 5.5rem; font-weight: 800;
  color: var(--blue-light);
  line-height: 1; letter-spacing: -0.04em;
}
.patents-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px; letter-spacing: 0.14em;
  text-transform: uppercase; color: #4a7aaa;
  margin-top: 8px;
}
.patents-desc {
  font-size: 0.9rem; font-weight: 400;
  color: var(--text-muted); line-height: 1.75;
  margin-top: 16px; max-width: 380px;
}

.awards-list { display: flex; flex-direction: column; gap: 12px; }

.award-chip {
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border-dark);
  border-radius: 10px; padding: 15px 18px;
  display: flex; align-items: center; gap: 13px;
}
.award-icon {
  width: 34px; height: 34px;
  background: rgba(23,105,170,0.18);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.award-name {
  font-size: 0.875rem; font-weight: 700; color: #c8dff0;
}
.award-org {
  font-family: 'JetBrains Mono', monospace;
  font-size: 9.5px; color: #3a5a78;
  margin-top: 2px; text-transform: uppercase;
}

/* ── CONTACT ───────────────────────────────────────────────────────────────── */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

.contact-intro {
  font-size: 0.95rem; font-weight: 400;
  color: var(--text-muted); line-height: 1.75;
  margin-bottom: 24px;
}

.speaking-callout {
  background: rgba(23,105,170,0.10);
  border: 1px solid rgba(23,105,170,0.28);
  border-radius: 10px; padding: 16px 18px;
  display: flex; align-items: flex-start; gap: 13px;
  margin-bottom: 26px;
}
.speaking-callout p {
  font-size: 0.875rem; font-weight: 400;
  color: #7aaac8; line-height: 1.65; margin: 0;
}
.speaking-callout strong { color: #c8dff0; font-weight: 700; }

.linkedin-btn {
  display: inline-flex; align-items: center; gap: 9px;
  background: var(--blue); color: white;
  font-family: 'Manrope', sans-serif;
  font-size: 14px; font-weight: 700;
  padding: 12px 24px; border-radius: 8px;
  box-shadow: 0 4px 16px rgba(23,105,170,0.35);
  letter-spacing: 0.01em;
  transition: background 0.15s, transform 0.16s var(--ease-out);
}
.linkedin-btn:hover  { background: var(--blue-hover); }
.linkedin-btn:active { transform: scale(0.97); }

.contact-form-wrap {
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border-dark);
  border-radius: 14px; padding: 30px;
}

.form-row {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 14px; margin-bottom: 14px;
}
.form-group { margin-bottom: 14px; }

.form-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 9.5px; letter-spacing: 0.12em;
  text-transform: uppercase; color: #4a6a88;
  display: block; margin-bottom: 7px;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.10);
  border-radius: 7px; padding: 11px 14px;
  font-family: 'Manrope', sans-serif;
  font-size: 13px; font-weight: 400;
  color: #c8dff0; outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.form-input::placeholder,
.form-textarea::placeholder { color: #2a4a68; }
.form-select { color: #c8dff0; }
.form-select option { background: #0c1e33; }
.form-textarea { resize: none; }

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: rgba(23,105,170,0.5);
  box-shadow: 0 0 0 3px rgba(23,105,170,0.12);
}

.form-submit {
  width: 100%;
  background: var(--blue); color: white;
  font-family: 'Manrope', sans-serif;
  font-size: 14px; font-weight: 700;
  padding: 13px; border-radius: 8px;
  border: none; cursor: pointer;
  letter-spacing: 0.01em;
  box-shadow: 0 4px 14px rgba(23,105,170,0.3);
  margin-top: 4px;
  transition: background 0.15s, transform 0.16s var(--ease-out);
}
.form-submit:hover  { background: var(--blue-hover); }
.form-submit:active { transform: scale(0.97); }

/* ── FOOTER ────────────────────────────────────────────────────────────────── */
.footer {
  background: var(--navy-darkest);
  padding: 26px 2.5rem;
  border-top: 1px solid rgba(255,255,255,0.05);
}
.footer-inner {
  max-width: 1200px; margin: 0 auto;
  display: flex; align-items: center;
  justify-content: space-between; flex-wrap: wrap; gap: 12px;
}
.footer-name {
  font-size: 13px; font-weight: 600; color: #3a5a78;
}
.footer-link {
  font-size: 12px; font-weight: 600; color: var(--blue-light);
  transition: color 0.15s;
}
.footer-link:hover { color: #7ac0f0; }
.footer-copy {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px; color: #1e3a58; letter-spacing: 0.06em;
}

/* ── RESPONSIVE ────────────────────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .hero-inner {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero-eyebrow { justify-content: center; }
  .hero-sub { margin-left: auto; margin-right: auto; }
  .hero-btns { justify-content: center; }
  .hero-photo-wrap { justify-content: center; }
  .hero-accent-line { display: none; }

  .about-grid { grid-template-columns: 1fr; }
  .expertise-grid { grid-template-columns: repeat(2, 1fr); }
  .timeline-cols { grid-template-columns: 1fr; gap: 0; }
  .patents-grid { grid-template-columns: 1fr; gap: 48px; }
  .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .nav-links, .nav-cta { display: none; }
  .nav-mobile-btn { display: block; }

  .hero { padding: 100px 1.5rem 80px; }
  .section-light,
  .section-white,
  .section-dark,
  .section-darkest { padding: 64px 1.5rem; }
  .footer { padding: 24px 1.5rem; }
  .nav { padding: 0 1.5rem; }

  .expertise-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }

  .hero-photo-frame { width: 260px; height: 300px; }
  .hero-chip { padding: 9px 16px; gap: 12px; }
  .chip-val { font-size: 14px; }

  .footer-inner { flex-direction: column; text-align: center; gap: 8px; }
}

@media (max-width: 480px) {
  .hero-h1 { font-size: 2rem; }
  .hero-btns { flex-direction: column; align-items: center; }
  .btn-primary, .btn-outline { width: 100%; justify-content: center; }
  .patents-metric { font-size: 4rem; }
}