/* =============================================================
   BIIT Digital Skills Center — Investment Website
   style.css  |  Blue & Gold Professional Finance Theme
   Fonts: Playfair Display (headings) + DM Sans (body)
============================================================= */

/* ── CSS Custom Properties ─────────────────────────────────── */
:root {
  --blue-900: #0a1628;
  --blue-800: #0d1f3c;
  --blue-700: #0f2d5e;
  --blue-600: #1a3a7c;
  --blue-500: #1e4db7;
  --blue-400: #2563eb;
  --blue-300: #60a5fa;
  --blue-100: #dbeafe;
  --gold:     #f59e0b;
  --gold-light:#fcd34d;
  --teal:     #0d9488;
  --teal-light:#99f6e4;
  --purple:   #7c3aed;
  --purple-light:#ddd6fe;
  --white:    #ffffff;
  --off-white:#f8fafc;
  --gray-100: #f1f5f9;
  --gray-200: #e2e8f0;
  --gray-500: #64748b;
  --gray-700: #334155;
  --text:     #0f172a;

  --ff-display: 'Playfair Display', Georgia, serif;
  --ff-body:    'DM Sans', system-ui, sans-serif;

  --shadow-sm:  0 1px 3px rgba(0,0,0,.08);
  --shadow-md:  0 4px 24px rgba(0,0,0,.10);
  --shadow-lg:  0 12px 48px rgba(0,0,0,.14);
  --shadow-blue: 0 8px 32px rgba(30,77,183,.22);

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-xl: 32px;

  --transition: .3s cubic-bezier(.4,0,.2,1);
}

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

html { scroll-behavior: smooth; }

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

h1,h2,h3,h4,h5,h6 { font-family: var(--ff-display); line-height: 1.25; }

a { text-decoration: none; color: inherit; }

img { max-width: 100%; }

/* ── Utility ────────────────────────────────────────────────── */
.section-pad { padding: 100px 0; }

.section-tag {
  display: inline-flex;
  align-items: center;
  background: var(--blue-100);
  color: var(--blue-500);
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  padding: 6px 16px;
  border-radius: 99px;
  margin-bottom: 16px;
}

.section-title {
  font-size: clamp(2rem, 4vw, 2.8rem);
  color: var(--blue-900);
}

.title-accent { color: var(--blue-500); }

.section-sub {
  max-width: 560px;
  color: var(--gray-500);
  font-size: 1.05rem;
  margin: 16px auto 0;
}

/* ── Animations ─────────────────────────────────────────────── */
[data-animate] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .65s ease, transform .65s ease;
}
[data-animate="fadeLeft"] { transform: translateX(28px); }
[data-animate].visible {
  opacity: 1;
  transform: none;
}

/* ── NAVBAR ─────────────────────────────────────────────────── */
#mainNav {
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--gray-200);
  padding: 14px 0;
  transition: box-shadow var(--transition);
  z-index: 1050;
}
#mainNav.scrolled { box-shadow: var(--shadow-md); }

.brand-icon {
  width: 38px; height: 38px;
  background: var(--blue-500);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  color: var(--white);
  font-size: 1.1rem;
}
.brand-text {
  font-family: var(--ff-display);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--blue-900);
}
.brand-accent { color: var(--blue-500); }

.navbar-nav .nav-link {
  color: var(--gray-700);
  font-weight: 500;
  font-size: .95rem;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
}
.navbar-nav .nav-link:hover { color: var(--blue-500); background: var(--blue-100); }

.btn-nav-cta {
  background: var(--blue-500);
  color: var(--white);
  font-weight: 600;
  font-size: .9rem;
  padding: 9px 22px;
  border-radius: 99px;
  border: none;
  transition: background var(--transition), box-shadow var(--transition), transform var(--transition);
}
.btn-nav-cta:hover {
  background: var(--blue-600);
  color: var(--white);
  box-shadow: var(--shadow-blue);
  transform: translateY(-1px);
}

/* ── HERO ───────────────────────────────────────────────────── */
.hero-section {
  position: relative;
  background: linear-gradient(135deg, var(--blue-900) 0%, var(--blue-700) 60%, #1e3a8a 100%);
  overflow: hidden;
  padding: 120px 0 100px;
  min-height: 90vh;
  display: flex;
  align-items: center;
}

/* Decorative orbs */
.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
}
.orb-1 {
  width: 500px; height: 500px;
  background: rgba(37,99,235,.35);
  top: -150px; right: -100px;
  animation: orbFloat 8s ease-in-out infinite;
}
.orb-2 {
  width: 340px; height: 340px;
  background: rgba(245,158,11,.15);
  bottom: -80px; left: 10%;
  animation: orbFloat 11s ease-in-out infinite reverse;
}
@keyframes orbFloat {
  0%,100% { transform: translate(0,0) scale(1); }
  50%      { transform: translate(20px,-20px) scale(1.04); }
}

.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;
}

.min-vh-hero { min-height: 70vh; }

.hero-badge {
  display: inline-flex;
  align-items: center;
  background: rgba(255,255,255,.12);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,.2);
  color: var(--white);
  font-size: .82rem;
  font-weight: 600;
  letter-spacing: .06em;
  padding: 7px 18px;
  border-radius: 99px;
}

.hero-heading {
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  color: var(--white);
  line-height: 1.18;
}
.heading-highlight {
  background: linear-gradient(90deg, var(--gold-light), var(--gold));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  color: rgba(255,255,255,.78);
  font-size: 1.1rem;
  max-width: 520px;
}
.hero-sub strong { color: var(--gold-light); }

/* Stat pills */
.stat-pill {
  background: rgba(255,255,255,.10);
  border: 1px solid rgba(255,255,255,.18);
  border-radius: var(--radius-md);
  padding: 16px 12px;
  text-align: center;
  backdrop-filter: blur(8px);
}
.stat-val {
  display: block;
  font-family: var(--ff-display);
  font-size: 1.9rem;
  font-weight: 800;
  color: var(--gold-light);
  line-height: 1;
}
.stat-label {
  display: block;
  font-size: .72rem;
  color: rgba(255,255,255,.7);
  margin-top: 4px;
  letter-spacing: .04em;
}

/* Hero CTA buttons */
.btn-hero-primary {
  background: var(--gold);
  color: var(--blue-900);
  font-weight: 700;
  padding: 14px 30px;
  border-radius: 99px;
  font-size: 1rem;
  border: none;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
}
.btn-hero-primary:hover {
  background: var(--gold-light);
  color: var(--blue-900);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(245,158,11,.4);
}

.btn-hero-outline {
  background: transparent;
  color: var(--white);
  font-weight: 600;
  padding: 13px 28px;
  border-radius: 99px;
  font-size: 1rem;
  border: 2px solid rgba(255,255,255,.45);
  transition: border-color var(--transition), background var(--transition), transform var(--transition);
}
.btn-hero-outline:hover {
  border-color: var(--white);
  background: rgba(255,255,255,.1);
  color: var(--white);
  transform: translateY(-2px);
}

/* Floating hero card */
.hero-card-col { animation: heroCardFloat 6s ease-in-out infinite; }
@keyframes heroCardFloat {
  0%,100% { transform: translateY(0); }
  50%      { transform: translateY(-14px); }
}

.hero-card {
  background: rgba(255,255,255,.10);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid rgba(255,255,255,.22);
  border-radius: var(--radius-lg);
  padding: 32px 30px;
  width: 340px;
  box-shadow: var(--shadow-lg);
}

.hc-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: rgba(255,255,255,.7);
  font-size: .85rem;
  margin-bottom: 22px;
}
.hc-badge {
  background: var(--gold);
  color: var(--blue-900);
  font-size: .7rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 99px;
}
.hc-amount-label { color: rgba(255,255,255,.55); font-size: .8rem; }
.hc-amount {
  font-family: var(--ff-display);
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--white);
  line-height: 1.2;
  margin-top: 4px;
}
.hc-divider {
  height: 1px;
  background: rgba(255,255,255,.15);
  margin: 22px 0;
}
.hc-rows { display: flex; flex-direction: column; gap: 14px; }
.hc-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: .9rem;
  color: rgba(255,255,255,.75);
}
.hc-row.total {
  background: rgba(255,255,255,.1);
  padding: 10px 14px;
  border-radius: 10px;
  font-weight: 600;
  color: var(--white);
}
.hc-val.positive { color: #4ade80; font-weight: 600; }
.hc-val.highlight { color: var(--gold-light); font-weight: 700; font-size: 1.05rem; }
.hc-footer {
  margin-top: 20px;
  text-align: center;
  font-size: .78rem;
  color: rgba(255,255,255,.5);
}
.hc-footer strong { color: var(--gold-light); }

/* ── TRUST BAR ──────────────────────────────────────────────── */
.trust-bar {
  background: var(--blue-500);
  overflow: hidden;
  padding: 14px 0;
}

.marquee-track {
  display: flex;
  gap: 0;
  width: max-content;
  animation: marqueeScroll 28s linear infinite;
}

.marquee-track span {
  white-space: nowrap;
  color: var(--white);
  font-size: .85rem;
  font-weight: 600;
  letter-spacing: .04em;
  padding: 0 32px;
  opacity: .92;
}
.marquee-track span i { color: var(--gold-light); }

@keyframes marqueeScroll {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ── FEATURES ───────────────────────────────────────────────── */
.feat-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  height: 100%;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  position: relative;
  overflow: hidden;
}
.feat-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--blue-100) 0%, transparent 70%);
  opacity: 0;
  transition: opacity var(--transition);
}
.feat-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--blue-300);
}
.feat-card:hover::before { opacity: 1; }

.feat-icon {
  width: 60px; height: 60px;
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.6rem;
  color: var(--white);
  margin-bottom: 20px;
  position: relative;
}
.feat-icon.bg-blue   { background: var(--blue-500); }
.feat-icon.bg-gold   { background: var(--gold); }
.feat-icon.bg-teal   { background: var(--teal); }
.feat-icon.bg-purple { background: var(--purple); }

.feat-title {
  font-size: 1.15rem;
  color: var(--blue-900);
  margin-bottom: 10px;
}
.feat-desc { color: var(--gray-500); font-size: .92rem; }

.feat-line {
  height: 3px;
  width: 40px;
  border-radius: 99px;
  background: var(--blue-300);
  margin-top: 20px;
}

/* ── HOW IT WORKS ───────────────────────────────────────────── */
.how-section { background: var(--gray-100); }

.step-circle {
  width: 68px; height: 68px;
  background: var(--blue-500);
  color: var(--white);
  font-family: var(--ff-display);
  font-size: 1.6rem;
  font-weight: 800;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto;
  box-shadow: 0 8px 24px rgba(30,77,183,.3);
}
.step-title { font-size: 1rem; font-weight: 700; color: var(--blue-900); }
.step-desc { color: var(--gray-500); font-size: .88rem; margin-top: 6px; }
.step-arrow { font-size: 1.6rem; color: var(--blue-300); }

/* ── CALCULATOR ─────────────────────────────────────────────── */
.calculator-section { background: var(--blue-900); }

.calculator-section .section-tag {
  background: rgba(255,255,255,.12);
  color: var(--gold-light);
}
.calculator-section .section-title { color: var(--white); }
.calculator-section .title-accent  { color: var(--gold-light); }
.calculator-section .section-sub   { color: rgba(255,255,255,.6); }

/* Calc card */
.calc-card {
  background: rgba(255,255,255,.07);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255,255,255,.14);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.calc-card-header {
  background: var(--blue-500);
  color: var(--white);
  font-weight: 700;
  padding: 18px 28px;
  font-size: 1rem;
  letter-spacing: .02em;
}
.calc-body { padding: 28px; }
.calc-label { color: rgba(255,255,255,.8); font-weight: 500; margin-bottom: 8px; }

.calc-input-group .input-group-text {
  background: var(--blue-600);
  border: 1px solid rgba(255,255,255,.2);
  color: var(--white);
  font-weight: 700;
}
.calc-input {
  background: rgba(255,255,255,.08) !important;
  border: 1px solid rgba(255,255,255,.18) !important;
  color: var(--white) !important;
  font-size: 1.2rem;
  font-weight: 600;
  padding: 12px 16px;
}
.calc-input::placeholder { color: rgba(255,255,255,.35) !important; }
.calc-input:focus { box-shadow: 0 0 0 3px rgba(96,165,250,.35) !important; outline: none; }

.form-range { accent-color: var(--gold); }
.slider-labels { color: rgba(255,255,255,.45); font-size: .75rem; margin-top: 4px; }

.tenure-note {
  background: rgba(245,158,11,.12);
  border: 1px solid rgba(245,158,11,.3);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  color: var(--gold-light);
  font-size: .88rem;
}

.btn-calculate {
  background: linear-gradient(135deg, var(--gold) 0%, #e07b00 100%);
  color: var(--blue-900);
  font-weight: 700;
  font-size: 1rem;
  padding: 14px;
  border-radius: var(--radius-md);
  border: none;
  transition: transform var(--transition), box-shadow var(--transition);
}
.btn-calculate:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(245,158,11,.45);
  color: var(--blue-900);
}

.quick-amounts { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.qa-label { color: rgba(255,255,255,.5); font-size: .8rem; }
.qa-btn {
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.18);
  color: rgba(255,255,255,.8);
  font-size: .8rem;
  font-weight: 600;
  padding: 5px 14px;
  border-radius: 99px;
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
}
.qa-btn:hover, .qa-btn.active {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--blue-900);
}

/* Result cards */
.result-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px 22px;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  transition: transform var(--transition), box-shadow var(--transition);
}
.result-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }

.rc-blue   { background: #eff6ff; border-color: #bfdbfe; }
.rc-teal   { background: #f0fdfa; border-color: #99f6e4; }
.rc-gold   { background: #fffbeb; border-color: #fcd34d; }
.rc-purple { background: #f5f3ff; border-color: var(--purple-light); }

.rc-icon {
  width: 46px; height: 46px; border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem; flex-shrink: 0;
}
.rc-blue .rc-icon   { background: var(--blue-500); color: #fff; }
.rc-teal .rc-icon   { background: var(--teal); color: #fff; }
.rc-gold .rc-icon   { background: var(--gold); color: var(--blue-900); }
.rc-purple .rc-icon { background: var(--purple); color: #fff; }

.rc-label { font-size: .78rem; color: var(--gray-500); font-weight: 500; }
.rc-value {
  font-family: var(--ff-display);
  font-size: 1.45rem;
  font-weight: 800;
  color: var(--blue-900);
  line-height: 1.15;
  margin-top: 2px;
  transition: all .3s;
}

/* Progress bar visual */
.rv-label span, .rv-vals span { color: rgba(255,255,255,.7); font-size: .8rem; }
.rv-progress { height: 16px; border-radius: 99px; background: rgba(255,255,255,.1); }
.rv-bar-principal { background: var(--blue-400); border-radius: 99px 0 0 99px; }
.rv-bar-interest  { background: var(--gold); border-radius: 0 99px 99px 0; }

/* Table toggle button */
.btn-table-toggle {
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.2);
  color: rgba(255,255,255,.85);
  font-weight: 600;
  padding: 12px;
  border-radius: var(--radius-md);
  transition: background var(--transition), color var(--transition);
}
.btn-table-toggle:hover {
  background: rgba(255,255,255,.18);
  color: var(--white);
}

/* EMI table */
.emi-table-wrapper {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid rgba(255,255,255,.15);
  max-height: 320px;
  overflow-y: auto;
}
.emi-table {
  margin-bottom: 0;
  font-size: .85rem;
}
.emi-table thead th {
  background: var(--blue-700);
  color: var(--white);
  font-weight: 700;
  padding: 12px 14px;
  border: none;
  position: sticky; top: 0; z-index: 2;
  letter-spacing: .04em;
  font-size: .78rem;
  text-transform: uppercase;
}
.emi-table tbody tr {
  background: rgba(255,255,255,.06);
  transition: background var(--transition);
}
.emi-table tbody tr:nth-child(even) { background: rgba(255,255,255,.10); }
.emi-table tbody tr:hover { background: rgba(255,255,255,.16); }
.emi-table td {
  color: rgba(255,255,255,.82);
  padding: 10px 14px;
  border: none;
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.emi-table .last-row td {
  color: var(--gold-light);
  font-weight: 700;
  background: rgba(245,158,11,.12) !important;
}

/* Value pop animation */
@keyframes valuePop {
  0%   { transform: scale(1); }
  50%  { transform: scale(1.1); color: var(--blue-500); }
  100% { transform: scale(1); }
}
.value-pop { animation: valuePop .4s ease-out; }

/* ── CONTACT SECTION ────────────────────────────────────────── */
.contact-section { background: var(--gray-100); }

.ci-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 22px;
}
.ci-icon {
  width: 44px; height: 44px; flex-shrink: 0;
  background: var(--blue-500);
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  color: var(--white);
  font-size: 1.1rem;
}
.ci-label { font-size: .75rem; color: var(--gray-500); text-transform: uppercase; letter-spacing: .08em; }
.ci-val   { font-weight: 600; color: var(--blue-900); margin-top: 2px; }

.contact-form-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--gray-200);
}

.cf-input {
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  font-size: .95rem;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.cf-input:focus {
  border-color: var(--blue-400);
  box-shadow: 0 0 0 4px rgba(37,99,235,.12);
  outline: none;
}

.btn-submit {
  background: linear-gradient(135deg, var(--blue-500) 0%, var(--blue-600) 100%);
  color: var(--white);
  font-weight: 700;
  font-size: 1rem;
  padding: 15px;
  border-radius: var(--radius-md);
  border: none;
  transition: transform var(--transition), box-shadow var(--transition);
}
.btn-submit:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-blue);
  color: var(--white);
}

.form-label {
  font-size: .85rem;
  font-weight: 600;
  color: var(--gray-700);
  margin-bottom: 6px;
}
.input-group-text {
  background: var(--gray-100);
  border: 1.5px solid var(--gray-200);
  font-weight: 700;
  color: var(--gray-700);
}

/* ── FOOTER ─────────────────────────────────────────────────── */
.site-footer {
  background: var(--blue-900);
  color: rgba(255,255,255,.75);
  padding: 70px 0 0;
}

.footer-top { padding-bottom: 50px; }

.footer-brand {
  font-family: var(--ff-display);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--white);
}
.footer-about { font-size: .88rem; color: rgba(255,255,255,.55); line-height: 1.7; }

.social-links { display: flex; gap: 10px; }
.soc-btn {
  width: 38px; height: 38px;
  border-radius: 50%;
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.15);
  display: flex; align-items: center; justify-content: center;
  color: rgba(255,255,255,.7);
  font-size: 1rem;
  transition: background var(--transition), color var(--transition);
}
.soc-btn:hover { background: var(--blue-500); color: var(--white); }

.footer-heading {
  color: var(--white);
  font-size: .85rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  margin-bottom: 18px;
}
.footer-links {
  list-style: none;
  padding: 0; margin: 0;
  display: flex; flex-direction: column; gap: 10px;
}
.footer-links a, .footer-links li {
  color: rgba(255,255,255,.55);
  font-size: .88rem;
  transition: color var(--transition);
}
.footer-links a:hover { color: var(--gold-light); }
.footer-links i { opacity: .6; }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.1);
  padding: 24px 0;
  text-align: center;
  font-size: .82rem;
  color: rgba(255,255,255,.4);
}
.footer-disclaimer { font-style: italic; }

/* ── BACK TO TOP ─────────────────────────────────────────────── */
.back-to-top {
  position: fixed;
  bottom: 28px; right: 28px;
  width: 46px; height: 46px;
  border-radius: 50%;
  background: var(--blue-500);
  color: var(--white);
  border: none;
  box-shadow: var(--shadow-md);
  font-size: 1.2rem;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  opacity: 0; pointer-events: none;
  transition: opacity var(--transition), transform var(--transition);
  z-index: 999;
}
.back-to-top.visible { opacity: 1; pointer-events: auto; }
.back-to-top:hover { transform: translateY(-3px); background: var(--blue-600); }

/* ── RESPONSIVE ─────────────────────────────────────────────── */
@media (max-width: 991.98px) {
  .hero-section { padding: 80px 0; }
  .section-pad  { padding: 70px 0; }
  .contact-form-card { padding: 28px 22px; }
}

@media (max-width: 767.98px) {
  .section-pad { padding: 56px 0; }
  .hero-heading { font-size: 2rem; }
  .stat-val { font-size: 1.5rem; }
  .calc-body { padding: 20px; }
}

@media (max-width: 575.98px) {
  .hero-stats .col-4 { flex: 0 0 100%; max-width: 100%; }
  .contact-form-card { padding: 22px 16px; }
}