/* ============================================================
   RAJI RV — Personal Brand Website
   Design System & Global Styles
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=DM+Serif+Display:ital@0;1&display=swap');

/* ── Custom Properties ─────────────────────────────────────── */
:root {
  --color-navy:       #0B0F1A;
  --color-navy-mid:   #111827;
  --color-navy-soft:  #1E2A3B;
  --color-blue:       #1D4ED8;
  --color-blue-light: #3B82F6;
  --color-gold:       #D97706;
  --color-gold-light: #F59E0B;
  --color-white:      #FFFFFF;
  --color-off-white:  #F8FAFC;
  --color-gray-50:    #F9FAFB;
  --color-gray-100:   #F3F4F6;
  --color-gray-200:   #E5E7EB;
  --color-gray-400:   #9CA3AF;
  --color-gray-600:   #4B5563;
  --color-gray-800:   #1F2937;
  --color-text:       #111827;
  --color-text-muted: #6B7280;

  --font-body:    'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-display: 'DM Serif Display', Georgia, serif;

  --radius-sm:  6px;
  --radius-md:  12px;
  --radius-lg:  20px;
  --radius-xl:  32px;

  --shadow-sm:  0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.06);
  --shadow-md:  0 4px 16px rgba(0,0,0,.10), 0 2px 6px rgba(0,0,0,.07);
  --shadow-lg:  0 20px 50px rgba(0,0,0,.12), 0 8px 20px rgba(0,0,0,.08);

  --max-w:      1200px;
  --nav-h:      72px;

  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-white);
  overflow-x: hidden;
}

img { display: block; max-width: 100%; }
a  { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font: inherit; }

/* ── Typography ─────────────────────────────────────────────── */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  line-height: 1.2;
  font-weight: 400;
  color: var(--color-navy);
}

.display-1 { font-size: clamp(2.5rem, 5vw, 4.5rem); }
.display-2 { font-size: clamp(2rem, 4vw, 3.5rem); }
.display-3 { font-size: clamp(1.6rem, 3vw, 2.5rem); }

.section-label {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-blue);
}

.lead {
  font-size: clamp(1rem, 2vw, 1.2rem);
  font-weight: 400;
  line-height: 1.75;
  color: var(--color-gray-600);
}

/* ── Layout Utilities ───────────────────────────────────────── */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}

@media (min-width: 768px) { .container { padding: 0 40px; } }
@media (min-width: 1280px) { .container { padding: 0 48px; } }

.section { padding: 96px 0; }
.section--sm { padding: 64px 0; }
.section--lg { padding: 128px 0; }
.section--dark {
  background: var(--color-navy);
  color: var(--color-white);
}
.section--dark h1,
.section--dark h2,
.section--dark h3,
.section--dark h4 { color: var(--color-white); }
.section--dark .lead { color: rgba(255,255,255,.7); }

.section--gray { background: var(--color-gray-50); }

.grid-2 { display: grid; grid-template-columns: 1fr; gap: 32px; }
.grid-3 { display: grid; grid-template-columns: 1fr; gap: 24px; }
.grid-4 { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }

@media (min-width: 640px) {
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 768px) {
  .grid-2 { grid-template-columns: repeat(2, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1024px) {
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
  .grid-4 { grid-template-columns: repeat(4, 1fr); }
}

.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-4 { gap: 16px; }
.gap-6 { gap: 24px; }
.gap-8 { gap: 32px; }

.text-center { text-align: center; }
.mt-4  { margin-top: 16px; }
.mt-6  { margin-top: 24px; }
.mt-8  { margin-top: 32px; }
.mt-12 { margin-top: 48px; }
.mt-16 { margin-top: 64px; }
.mb-2  { margin-bottom: 8px; }
.mb-4  { margin-bottom: 16px; }
.mb-6  { margin-bottom: 24px; }
.mb-8  { margin-bottom: 32px; }
.mb-12 { margin-bottom: 48px; }

/* ── Buttons ─────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius-sm);
  font-size: 0.925rem;
  font-weight: 600;
  font-family: var(--font-body);
  transition: var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: var(--color-blue);
  color: var(--color-white);
}
.btn-primary:hover {
  background: #1a44c2;
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(29,78,216,.35);
}

.btn-gold {
  background: var(--color-gold);
  color: var(--color-white);
}
.btn-gold:hover {
  background: #b45309;
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(217,119,6,.35);
}

.btn-outline {
  border: 2px solid var(--color-navy);
  color: var(--color-navy);
}
.btn-outline:hover {
  background: var(--color-navy);
  color: var(--color-white);
}

.btn-outline-white {
  border: 2px solid rgba(255,255,255,.6);
  color: var(--color-white);
}
.btn-outline-white:hover {
  background: rgba(255,255,255,.15);
  border-color: var(--color-white);
}

.btn-lg { padding: 18px 36px; font-size: 1rem; }
.btn-sm { padding: 10px 20px; font-size: 0.85rem; }

/* ── Navigation ─────────────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  transition: background var(--transition), box-shadow var(--transition);
}

.nav.scrolled {
  background: rgba(255,255,255,.97);
  backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 var(--color-gray-200);
}

.nav.nav--dark {
  background: transparent;
}

.nav.nav--dark.scrolled {
  background: rgba(11,15,26,.97);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.nav__logo {
  font-family: var(--font-display);
  font-size: 1.4rem;
  color: var(--color-navy);
  transition: color var(--transition);
}

.nav--dark .nav__logo { color: var(--color-white); }
.nav--dark.scrolled .nav__logo { color: var(--color-white); }

.nav__links {
  display: none;
  align-items: center;
  gap: 8px;
}

@media (min-width: 1024px) { .nav__links { display: flex; } }

.nav__link {
  padding: 8px 14px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-gray-600);
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
}
.nav__link:hover,
.nav__link.active {
  color: var(--color-navy);
  background: var(--color-gray-100);
}

.nav--dark .nav__link { color: rgba(255,255,255,.75); }
.nav--dark .nav__link:hover,
.nav--dark .nav__link.active {
  color: var(--color-white);
  background: rgba(255,255,255,.12);
}

.nav__cta { margin-left: 12px; }

.nav__hamburger {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  border-radius: var(--radius-sm);
}
@media (min-width: 1024px) { .nav__hamburger { display: none; } }

.nav__hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-navy);
  border-radius: 2px;
  transition: var(--transition);
}
.nav--dark .nav__hamburger span { background: var(--color-white); }

/* Mobile Menu */
.nav__mobile {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 99;
  background: var(--color-white);
  padding: calc(var(--nav-h) + 24px) 24px 40px;
  flex-direction: column;
  gap: 8px;
}
.nav__mobile.open { display: flex; }

.nav__mobile .nav__link {
  font-size: 1.1rem;
  padding: 14px 16px;
  color: var(--color-text);
  border-radius: var(--radius-md);
}
.nav__mobile .nav__link:hover,
.nav__mobile .nav__link.active {
  background: var(--color-gray-100);
  color: var(--color-navy);
}

.nav__mobile .btn {
  margin-top: 16px;
  justify-content: center;
}

/* ── Footer ─────────────────────────────────────────────────── */
.footer {
  background: var(--color-navy);
  color: rgba(255,255,255,.75);
  padding: 80px 0 40px;
}

.footer__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
  padding-bottom: 64px;
  border-bottom: 1px solid rgba(255,255,255,.1);
}

@media (min-width: 640px) {
  .footer__grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1024px) {
  .footer__grid { grid-template-columns: 2fr 1fr 1fr 1fr; }
}

.footer__logo {
  font-family: var(--font-display);
  font-size: 1.6rem;
  color: var(--color-white);
  margin-bottom: 16px;
}

.footer__tagline {
  font-size: 0.9rem;
  line-height: 1.7;
  color: rgba(255,255,255,.55);
  margin-bottom: 24px;
}

.footer__social {
  display: flex;
  gap: 12px;
}

.footer__social-link {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255,255,255,.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: 600;
  color: rgba(255,255,255,.7);
  transition: var(--transition);
}
.footer__social-link:hover {
  background: rgba(255,255,255,.1);
  color: var(--color-white);
  border-color: rgba(255,255,255,.4);
}

.footer__col-title {
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,.4);
  margin-bottom: 20px;
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer__link {
  font-size: 0.9rem;
  color: rgba(255,255,255,.65);
  transition: color var(--transition);
}
.footer__link:hover { color: var(--color-white); }

.footer__bottom {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: space-between;
  align-items: center;
  padding-top: 32px;
}

.footer__copy {
  font-size: 0.85rem;
  color: rgba(255,255,255,.4);
}

/* ── Cards ───────────────────────────────────────────────────── */
.card {
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-md);
  padding: 32px;
  transition: var(--transition);
}
.card:hover {
  border-color: var(--color-gray-400);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.card--dark {
  background: var(--color-navy-soft);
  border-color: rgba(255,255,255,.08);
  color: rgba(255,255,255,.85);
}
.card--dark h3, .card--dark h4 { color: var(--color-white); }

.card__icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background: rgba(29,78,216,.1);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  font-size: 1.3rem;
}

.card__icon--gold { background: rgba(217,119,6,.1); }

/* ── Stat / Metric ───────────────────────────────────────────── */
.stat { text-align: center; }

.stat__number {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 4vw, 3.5rem);
  font-weight: 400;
  color: var(--color-navy);
  line-height: 1;
}

.stat__number--light { color: var(--color-white); }

.stat__label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-muted);
  margin-top: 8px;
}

.stat__label--light { color: rgba(255,255,255,.65); }

/* ── Tags / Pills ────────────────────────────────────────────── */
.tag {
  display: inline-block;
  padding: 5px 14px;
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 500;
  background: var(--color-gray-100);
  color: var(--color-gray-600);
}
.tag--blue {
  background: rgba(29,78,216,.1);
  color: var(--color-blue);
}
.tag--gold {
  background: rgba(217,119,6,.12);
  color: var(--color-gold);
}

/* ── Section Header ─────────────────────────────────────────── */
.section-header {
  max-width: 680px;
  margin-bottom: 64px;
}
.section-header--center {
  text-align: center;
  margin-left: auto;
  margin-right: auto;
}
.section-header .section-label { margin-bottom: 16px; }
.section-header h2 { margin-bottom: 20px; }

/* ── Divider ─────────────────────────────────────────────────── */
.divider {
  width: 48px;
  height: 3px;
  background: var(--color-blue);
  border-radius: 2px;
  margin: 24px 0;
}
.divider--center { margin-left: auto; margin-right: auto; }
.divider--gold { background: var(--color-gold); }

/* ── Timeline ────────────────────────────────────────────────── */
.timeline {
  position: relative;
  padding-left: 32px;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 9px; top: 8px; bottom: 0;
  width: 2px;
  background: var(--color-gray-200);
}

.timeline__item {
  position: relative;
  padding-bottom: 40px;
}
.timeline__item::before {
  content: '';
  position: absolute;
  left: -27px;
  top: 6px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--color-blue);
  border: 3px solid var(--color-white);
  box-shadow: 0 0 0 2px var(--color-blue);
}

.timeline__date {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-blue);
  margin-bottom: 6px;
  letter-spacing: 0.05em;
}

.timeline__title {
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-navy);
  margin-bottom: 6px;
}

.timeline__desc {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.65;
}

/* ── Testimonial ─────────────────────────────────────────────── */
.testimonial {
  background: var(--color-gray-50);
  border-left: 4px solid var(--color-blue);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  padding: 32px;
}

.testimonial__quote {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-style: italic;
  line-height: 1.7;
  color: var(--color-navy-mid);
  margin-bottom: 24px;
}

.testimonial__author-name {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--color-navy);
}

.testimonial__author-role {
  font-size: 0.82rem;
  color: var(--color-text-muted);
  margin-top: 3px;
}

/* ── Form ────────────────────────────────────────────────────── */
.form-group {
  margin-bottom: 24px;
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-navy);
  margin-bottom: 8px;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--color-gray-200);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--color-text);
  background: var(--color-white);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--color-blue);
  box-shadow: 0 0 0 3px rgba(29,78,216,.1);
}

.form-textarea { resize: vertical; min-height: 140px; }

/* ── Credibility Bar ─────────────────────────────────────────── */
.cred-bar {
  background: var(--color-gray-50);
  border-top: 1px solid var(--color-gray-200);
  border-bottom: 1px solid var(--color-gray-200);
  padding: 24px 0;
}

.cred-bar__inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0;
}

.cred-bar__item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 28px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-gray-600);
  border-right: 1px solid var(--color-gray-200);
}

.cred-bar__item:last-child { border-right: none; }

.cred-bar__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-blue);
  flex-shrink: 0;
}

/* ── Hero ────────────────────────────────────────────────────── */
.hero {
  min-height: 60vh;
  display: flex;
  align-items: center;
  background: var(--color-navy);
  position: relative;
  overflow: hidden;
  padding-top: var(--nav-h);
}

.hero__bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 70% 50%, rgba(29,78,216,.18) 0%, transparent 60%),
    radial-gradient(ellipse 50% 80% at 20% 80%, rgba(217,119,6,.08) 0%, transparent 50%);
  pointer-events: none;
}

.hero__grid-overlay {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}

.hero__content {
  position: relative;
  z-index: 1;
  padding: 48px 0;
}

.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(29,78,216,.2);
  border: 1px solid rgba(29,78,216,.4);
  border-radius: 100px;
  padding: 6px 16px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: rgba(255,255,255,.85);
  margin-bottom: 32px;
}

.hero__eyebrow-dot {
  width: 6px;
  height: 6px;
  background: var(--color-blue-light);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: .5; transform: scale(0.8); }
}

.hero__title {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 5.5vw, 5.2rem);
  font-weight: 400;
  line-height: 1.1;
  color: var(--color-white);
  margin-bottom: 28px;
  max-width: 820px;
}

.hero__title em {
  font-style: italic;
  color: var(--color-gold-light);
}

.hero__sub {
  font-size: clamp(1rem, 2vw, 1.2rem);
  line-height: 1.8;
  color: rgba(255,255,255,.65);
  max-width: 600px;
  margin-bottom: 44px;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
}

.hero__scroll {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 72px;
  font-size: 0.8rem;
  font-weight: 500;
  color: rgba(255,255,255,.4);
  letter-spacing: 0.05em;
}

.hero__scroll-line {
  width: 40px;
  height: 1px;
  background: rgba(255,255,255,.2);
}

/* ── Page Hero (interior pages) ─────────────────────────────── */
.page-hero {
  background: var(--color-navy);
  padding: calc(var(--nav-h) + 80px) 0 96px;
  position: relative;
  overflow: hidden;
}

.page-hero__bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 70% 80% at 80% 50%, rgba(29,78,216,.15) 0%, transparent 60%);
  pointer-events: none;
}

.page-hero .section-label { color: rgba(255,255,255,.5); margin-bottom: 16px; }
.page-hero h1 { color: var(--color-white); margin-bottom: 20px; }
.page-hero .lead { color: rgba(255,255,255,.65); max-width: 600px; }

/* ── Impact Strip ────────────────────────────────────────────── */
.impact-strip {
  background: var(--color-blue);
  padding: 48px 0;
}

.impact-strip__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

@media (min-width: 768px) {
  .impact-strip__grid { grid-template-columns: repeat(4, 1fr); }
}

.impact-strip .stat__number { color: var(--color-white); }
.impact-strip .stat__label  { color: rgba(255,255,255,.7); }
.impact-strip .stat__number::after { color: var(--color-gold-light); }

/* ── Topic Card ──────────────────────────────────────────────── */
.topic-card {
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-md);
  padding: 28px;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.topic-card:hover {
  border-color: var(--color-blue);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.topic-card__num {
  font-family: var(--font-display);
  font-size: 2.5rem;
  color: var(--color-gray-200);
  line-height: 1;
}

.topic-card__title {
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-navy);
}

.topic-card__desc {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* ── Newsletter Strip ────────────────────────────────────────── */
.newsletter {
  background: linear-gradient(135deg, var(--color-navy) 0%, #1a2744 100%);
  padding: 80px 0;
  position: relative;
  overflow: hidden;
}

.newsletter::before {
  content: '';
  position: absolute;
  right: -100px;
  top: -100px;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: rgba(29,78,216,.15);
  pointer-events: none;
}

.newsletter__form {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  max-width: 520px;
  margin-top: 32px;
}

.newsletter__input {
  flex: 1;
  min-width: 220px;
  padding: 14px 18px;
  border-radius: var(--radius-sm);
  border: 1.5px solid rgba(255,255,255,.2);
  background: rgba(255,255,255,.08);
  color: var(--color-white);
  font-size: 0.9rem;
  font-family: var(--font-body);
  outline: none;
  transition: border-color var(--transition);
}
.newsletter__input::placeholder { color: rgba(255,255,255,.4); }
.newsletter__input:focus { border-color: rgba(255,255,255,.5); }

/* ── Scroll Animations ───────────────────────────────────────── */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-up:nth-child(1) { transition-delay: 0.05s; }
.fade-up:nth-child(2) { transition-delay: 0.12s; }
.fade-up:nth-child(3) { transition-delay: 0.19s; }
.fade-up:nth-child(4) { transition-delay: 0.26s; }

/* ── Utility ─────────────────────────────────────────────────── */
.sr-only {
  position: absolute; width: 1px; height: 1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap;
}

.gold-text { color: var(--color-gold-light); }
.blue-text { color: var(--color-blue-light); }

.aspect-video { aspect-ratio: 16/9; }

.img-placeholder {
  background: var(--color-gray-100);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-gray-400);
  font-size: 0.85rem;
  font-weight: 500;
}

.video-placeholder {
  background: var(--color-navy-soft);
  border-radius: var(--radius-md);
  aspect-ratio: 16/9;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  color: rgba(255,255,255,.5);
  cursor: pointer;
  transition: background var(--transition);
}
.video-placeholder:hover { background: #253347; }

.play-btn {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: rgba(255,255,255,.15);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  transition: background var(--transition), transform var(--transition);
}
.video-placeholder:hover .play-btn {
  background: var(--color-blue);
  transform: scale(1.05);
}

/* ── Responsive Overrides ────────────────────────────────────── */
@media (max-width: 640px) {
  .section { padding: 72px 0; }
  .section--lg { padding: 80px 0; }
  .hero__title { font-size: 2.4rem; }
  .cred-bar__item { padding: 10px 16px; font-size: 0.8rem; }
  .btn-lg { padding: 15px 28px; font-size: 0.95rem; }
}