/* =================================================================
   REOGEN INFO TECH — Material Design 3 (Material You) Stylesheet
   Brand: Your Trusted Digital Technology Partner Since 2011
   ================================================================= */

/* ── MD3 Design Tokens ─────────────────────────────────────── */
:root {
  /* Primary palette — Reogen Blue */
  --md-primary:          #0057D9;
  --md-on-primary:       #FFFFFF;
  --md-primary-container:#D8E6FF;
  --md-on-primary-cont:  #001A47;

  /* Secondary — Amber/Gold accent */
  --md-secondary:        #B97500;
  --md-on-secondary:     #FFFFFF;
  --md-sec-container:    #FFE0A2;
  --md-on-sec-cont:      #3A2000;

  /* Tertiary */
  --md-tertiary:         #006E2E;
  --md-tert-container:   #97F5B1;

  /* Error */
  --md-error:            #BA1A1A;
  --md-error-container:  #FFDAD6;

  /* Surface & Background */
  --md-surface:          #FAFCFF;
  --md-surface-1:        #EEF3FC;  /* surface + 5% primary overlay */
  --md-surface-2:        #E6EEF9;
  --md-surface-3:        #DCE8F7;
  --md-surface-4:        #D9E6F6;
  --md-surface-5:        #D2E2F5;
  --md-background:       #FAFCFF;
  --md-on-background:    #191C20;
  --md-on-surface:       #191C20;
  --md-on-surface-var:   #42474E;
  --md-outline:          #72787E;
  --md-outline-var:      #C1C7CE;

  /* Inverse */
  --md-inverse-surface:  #2E3135;
  --md-inverse-on-surf:  #EEF1F6;
  --md-inverse-primary:  #ADC6FF;

  /* Elevation overlays (MD3 uses tonal color, not dark shadow) */
  --md-elev-1: 0 1px 2px rgba(0,0,0,.05), 0 1px 3px 1px rgba(0,0,0,.07);
  --md-elev-2: 0 1px 2px rgba(0,0,0,.06), 0 2px 6px 2px rgba(0,0,0,.08);
  --md-elev-3: 0 4px 8px 3px rgba(0,0,0,.09), 0 1px 3px rgba(0,0,0,.06);
  --md-elev-4: 0 6px 10px 4px rgba(0,0,0,.10), 0 2px 3px rgba(0,0,0,.06);
  --md-elev-5: 0 8px 12px 6px rgba(0,0,0,.11), 0 4px 4px rgba(0,0,0,.06);

  /* State layers (MD3 interaction model) */
  --state-hover:   rgba(0,87,217,.08);
  --state-press:   rgba(0,87,217,.12);
  --state-focus:   rgba(0,87,217,.12);
  --state-drag:    rgba(0,87,217,.16);

  /* Shape — MD3 corner radius tokens */
  --shape-xs:    4px;
  --shape-sm:    8px;
  --shape-md:    12px;
  --shape-lg:    16px;
  --shape-xl:    28px;
  --shape-full:  9999px;

  /* Typography scale tokens */
  --type-display-lg:     3.5625rem; /* 57px */
  --type-display-md:     2.8125rem; /* 45px */
  --type-display-sm:     2.25rem;   /* 36px */
  --type-headline-lg:    2rem;      /* 32px */
  --type-headline-md:    1.75rem;   /* 28px */
  --type-headline-sm:    1.5rem;    /* 24px */
  --type-title-lg:       1.375rem;  /* 22px */
  --type-title-md:       1rem;
  --type-title-sm:       .875rem;
  --type-body-lg:        1rem;
  --type-body-md:        .875rem;
  --type-body-sm:        .75rem;
  --type-label-lg:       .875rem;
  --type-label-md:       .75rem;
  --type-label-sm:       .6875rem;

  --transition: .28s cubic-bezier(.2,0,0,1);
  --transition-fast: .15s cubic-bezier(.2,0,0,1);
}

/* ── Reset ─────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: 'Google Sans', 'Roboto', 'Segoe UI', system-ui, -apple-system, sans-serif;
  background: var(--md-background);
  color: var(--md-on-background);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a  { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font-family: inherit; }

/* ── MD3 Typography helpers ─────────────────────────────────── */
.display-lg   { font-size: var(--type-display-lg); font-weight: 400; letter-spacing: -.25px; line-height: 1.12; }
.display-md   { font-size: var(--type-display-md); font-weight: 400; letter-spacing: 0; line-height: 1.16; }
.display-sm   { font-size: var(--type-display-sm); font-weight: 400; letter-spacing: 0; line-height: 1.22; }
.headline-lg  { font-size: var(--type-headline-lg); font-weight: 400; letter-spacing: 0; line-height: 1.25; }
.headline-md  { font-size: var(--type-headline-md); font-weight: 400; letter-spacing: 0; line-height: 1.29; }
.headline-sm  { font-size: var(--type-headline-sm); font-weight: 400; letter-spacing: 0; line-height: 1.33; }
.title-lg     { font-size: var(--type-title-lg);  font-weight: 500; letter-spacing: 0; line-height: 1.27; }
.title-md     { font-size: var(--type-title-md);  font-weight: 500; letter-spacing: .15px; line-height: 1.5; }
.title-sm     { font-size: var(--type-title-sm);  font-weight: 500; letter-spacing: .1px; line-height: 1.43; }
.body-lg      { font-size: var(--type-body-lg);   font-weight: 400; letter-spacing: .5px; line-height: 1.5; }
.body-md      { font-size: var(--type-body-md);   font-weight: 400; letter-spacing: .25px; line-height: 1.43; }
.body-sm      { font-size: var(--type-body-sm);   font-weight: 400; letter-spacing: .4px; line-height: 1.33; }
.label-lg     { font-size: var(--type-label-lg);  font-weight: 500; letter-spacing: .1px; line-height: 1.43; }
.label-md     { font-size: var(--type-label-md);  font-weight: 500; letter-spacing: .5px; line-height: 1.33; }
.label-sm     { font-size: var(--type-label-sm);  font-weight: 500; letter-spacing: .5px; line-height: 1.45; }

h1, h2, h3, h4, h5 { color: var(--md-on-background); font-weight: 400; line-height: 1.25; }
h1 { font-size: clamp(2rem, 5vw, var(--type-display-sm)); }
h2 { font-size: clamp(1.5rem, 3vw, var(--type-headline-lg)); }
h3 { font-size: clamp(1.15rem, 2vw, var(--type-headline-sm)); }
h4 { font-size: var(--type-title-lg); font-weight: 500; }
p  { color: var(--md-on-surface-var); font-size: var(--type-body-lg); line-height: 1.6; }

/* ── Layout ─────────────────────────────────────────────────── */
.container { width: 92%; max-width: 1200px; margin: 0 auto; }
section { padding: 80px 0; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.25rem; }
.text-center { text-align: center; }

/* ── MD3 Ripple ──────────────────────────────────────────────── */
.md-ripple {
  position: relative;
  overflow: hidden;
  -webkit-tap-highlight-color: transparent;
}
.md-ripple::after {
  content: '';
  position: absolute;
  inset: 0;
  background: currentColor;
  opacity: 0;
  border-radius: inherit;
  transition: opacity var(--transition-fast);
}
.md-ripple:hover::after  { opacity: .08; }
.md-ripple:active::after { opacity: .12; }
.md-ripple:focus-visible::after { opacity: .12; outline: 3px solid var(--md-primary); outline-offset: 2px; }

/* ── MD3 Buttons ─────────────────────────────────────────────── */
.md-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 24px;
  border-radius: var(--shape-full);
  font-family: inherit;
  font-size: var(--type-label-lg);
  font-weight: 500;
  letter-spacing: .1px;
  cursor: pointer;
  border: none;
  text-decoration: none;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
  -webkit-tap-highlight-color: transparent;
}

/* Filled */
.md-btn-filled {
  background: var(--md-primary);
  color: var(--md-on-primary);
  box-shadow: var(--md-elev-1);
}
.md-btn-filled::after { content: ''; position: absolute; inset: 0; background: var(--md-on-primary); opacity: 0; transition: opacity var(--transition-fast); border-radius: inherit; }
.md-btn-filled:hover  { box-shadow: var(--md-elev-2); }
.md-btn-filled:hover::after  { opacity: .08; }
.md-btn-filled:active::after { opacity: .12; }

/* Filled Tonal */
.md-btn-tonal {
  background: var(--md-primary-container);
  color: var(--md-on-primary-cont);
}
.md-btn-tonal::after { content: ''; position: absolute; inset: 0; background: var(--md-on-primary-cont); opacity: 0; transition: opacity var(--transition-fast); border-radius: inherit; }
.md-btn-tonal:hover::after  { opacity: .08; }
.md-btn-tonal:active::after { opacity: .12; }

/* Outlined */
.md-btn-outlined {
  background: transparent;
  color: var(--md-primary);
  border: 1px solid var(--md-outline);
}
.md-btn-outlined::after { content: ''; position: absolute; inset: 0; background: var(--md-primary); opacity: 0; transition: opacity var(--transition-fast); border-radius: inherit; }
.md-btn-outlined:hover  { border-color: var(--md-primary); }
.md-btn-outlined:hover::after  { opacity: .08; }
.md-btn-outlined:active::after { opacity: .12; }

/* Text */
.md-btn-text {
  background: transparent;
  color: var(--md-primary);
  padding: 10px 12px;
}
.md-btn-text::after { content: ''; position: absolute; inset: 0; background: var(--md-primary); opacity: 0; transition: opacity var(--transition-fast); border-radius: inherit; }
.md-btn-text:hover::after  { opacity: .08; }
.md-btn-text:active::after { opacity: .12; }

/* Elevated */
.md-btn-elevated {
  background: var(--md-surface-1);
  color: var(--md-primary);
  box-shadow: var(--md-elev-1);
}
.md-btn-elevated:hover { box-shadow: var(--md-elev-2); }

/* Secondary filled */
.md-btn-secondary {
  background: var(--md-secondary);
  color: var(--md-on-secondary);
  box-shadow: var(--md-elev-1);
}
.md-btn-secondary:hover { box-shadow: var(--md-elev-2); }

.md-btn-lg { padding: 14px 32px; font-size: 1rem; }

/* FAB — Floating Action Button */
.md-fab {
  width: 56px; height: 56px;
  border-radius: var(--shape-lg);
  background: var(--md-primary-container);
  color: var(--md-on-primary-cont);
  border: none;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem;
  box-shadow: var(--md-elev-3);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.md-fab:hover { box-shadow: var(--md-elev-4); transform: scale(1.04); }

/* Icon Button */
.md-icon-btn {
  width: 40px; height: 40px;
  border-radius: var(--shape-full);
  border: none;
  background: transparent;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem;
  transition: background var(--transition-fast);
  color: var(--md-on-surface-var);
}
.md-icon-btn:hover { background: var(--state-hover); }

/* ── MD3 Cards ───────────────────────────────────────────────── */
/* Elevated card */
.md-card {
  background: var(--md-surface);
  border-radius: var(--shape-md);
  box-shadow: var(--md-elev-1);
  transition: box-shadow var(--transition), transform var(--transition);
  position: relative;
  overflow: hidden;
}
.md-card::after { content: ''; position: absolute; inset: 0; background: var(--md-on-surface); opacity: 0; transition: opacity var(--transition-fast); }
.md-card:hover  { box-shadow: var(--md-elev-3); transform: translateY(-3px); }
.md-card:hover::after { opacity: .04; }

/* Filled card */
.md-card-filled {
  background: var(--md-surface-1);
  border-radius: var(--shape-md);
  box-shadow: none;
  transition: background var(--transition), box-shadow var(--transition), transform var(--transition);
}
.md-card-filled:hover { background: var(--md-surface-2); box-shadow: var(--md-elev-1); transform: translateY(-2px); }

/* Outlined card */
.md-card-outlined {
  background: var(--md-surface);
  border-radius: var(--shape-md);
  border: 1px solid var(--md-outline-var);
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}
.md-card-outlined:hover { border-color: var(--md-primary); box-shadow: var(--md-elev-2); transform: translateY(-3px); }

/* ── MD3 Chips ───────────────────────────────────────────────── */
.md-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 32px;
  padding: 0 12px;
  border-radius: var(--shape-sm);
  font-size: var(--type-label-lg);
  font-weight: 500;
  letter-spacing: .1px;
  cursor: default;
  border: 1px solid var(--md-outline-var);
  background: var(--md-surface);
  color: var(--md-on-surface-var);
  transition: all var(--transition-fast);
}
.md-chip-primary { background: var(--md-primary-container); color: var(--md-on-primary-cont); border-color: transparent; }
.md-chip-secondary { background: var(--md-sec-container); color: var(--md-on-sec-cont); border-color: transparent; }
.md-chip-tert { background: var(--md-tert-container); color: var(--md-tertiary); border-color: transparent; }

/* ── MD3 Badge / Tag ─────────────────────────────────────────── */
.md-badge {
  display: inline-flex;
  align-items: center;
  height: 24px;
  padding: 0 10px;
  border-radius: var(--shape-full);
  font-size: var(--type-label-sm);
  font-weight: 500;
  letter-spacing: .5px;
  text-transform: uppercase;
}
.md-badge-primary   { background: var(--md-primary-container); color: var(--md-on-primary-cont); }
.md-badge-secondary { background: var(--md-sec-container);     color: var(--md-on-sec-cont); }
.md-badge-tert      { background: var(--md-tert-container);    color: var(--md-tertiary); }
.md-badge-surface   { background: var(--md-surface-3);         color: var(--md-on-surface-var); }

/* ── Section Label (MD3 headline leading) ───────────────────── */
.section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: var(--type-label-lg);
  font-weight: 500;
  letter-spacing: .5px;
  text-transform: uppercase;
  color: var(--md-primary);
  margin-bottom: .75rem;
}
.section-eyebrow::before {
  content: '';
  width: 24px; height: 2px;
  background: var(--md-primary);
  border-radius: 2px;
}

/* ── Top App Bar (Navigation) ────────────────────────────────── */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: var(--md-surface);
  border-bottom: 1px solid var(--md-outline-var);
  transition: box-shadow var(--transition), background var(--transition);
}
#navbar.scrolled {
  box-shadow: var(--md-elev-2);
  background: var(--md-surface-2);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

/* Nav Logo */
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}
.nav-logo .logo-icon {
  width: 40px; height: 40px;
  border-radius: var(--shape-sm);
  background: var(--md-primary);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--md-on-primary);
  flex-shrink: 0;
}
.nav-logo .logo-name {
  font-size: var(--type-title-md);
  font-weight: 700;
  color: var(--md-on-background);
  letter-spacing: .15px;
}
.nav-logo .logo-tag {
  font-size: var(--type-label-sm);
  color: var(--md-primary);
  letter-spacing: .5px;
  font-weight: 500;
}

/* Nav Links */
.nav-links {
  display: flex;
  align-items: center;
  gap: 2px;
}
.nav-links a {
  display: flex;
  align-items: center;
  height: 36px;
  padding: 0 16px;
  border-radius: var(--shape-full);
  font-size: var(--type-label-lg);
  font-weight: 500;
  color: var(--md-on-surface-var);
  letter-spacing: .1px;
  transition: background var(--transition-fast), color var(--transition-fast);
  text-decoration: none;
  position: relative;
  overflow: hidden;
}
.nav-links a::after { content: ''; position: absolute; inset: 0; background: var(--md-primary); opacity: 0; transition: opacity var(--transition-fast); border-radius: inherit; }
.nav-links a:hover  { color: var(--md-primary); background: var(--md-surface-1); }
.nav-links a:hover::after  { opacity: .06; }
.nav-links a.active {
  background: var(--md-primary-container);
  color: var(--md-on-primary-cont);
  font-weight: 700;
}

.nav-cta { margin-left: 8px; }

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  background: none;
  border: none;
  border-radius: var(--shape-full);
}
.hamburger span {
  display: block;
  width: 24px; height: 2px;
  background: var(--md-on-surface-var);
  border-radius: 2px;
  transition: all var(--transition);
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── Hero Section ────────────────────────────────────────────── */
.hero {
  min-height: 100vh;
  background: var(--md-surface);
  display: flex;
  align-items: center;
  padding-top: 64px;
  position: relative;
  overflow: hidden;
}

/* MD3-style background shape decoration */
.hero::before {
  content: '';
  position: absolute;
  top: -200px; right: -200px;
  width: 700px; height: 700px;
  border-radius: 50%;
  background: var(--md-primary-container);
  opacity: .5;
  z-index: 0;
}
.hero::after {
  content: '';
  position: absolute;
  bottom: -150px; left: -150px;
  width: 500px; height: 500px;
  border-radius: 50%;
  background: var(--md-sec-container);
  opacity: .35;
  z-index: 0;
}

.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  padding: 80px 0;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--md-primary-container);
  color: var(--md-on-primary-cont);
  padding: 6px 16px;
  border-radius: var(--shape-full);
  font-size: var(--type-label-lg);
  font-weight: 500;
  letter-spacing: .1px;
  margin-bottom: 1.5rem;
}

.hero h1 {
  font-size: clamp(2.2rem, 4.5vw, 3.25rem);
  font-weight: 400;
  line-height: 1.18;
  color: var(--md-on-background);
  margin-bottom: 1.25rem;
}
.hero h1 strong { font-weight: 700; color: var(--md-primary); }
.hero-sub { font-size: var(--type-body-lg); color: var(--md-on-surface-var); max-width: 520px; margin-bottom: 2rem; line-height: 1.7; }
.hero-btns { display: flex; gap: 12px; flex-wrap: wrap; }

/* Hero stats row */
.hero-stats {
  display: flex;
  gap: 2rem;
  margin-top: 2.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--md-outline-var);
  flex-wrap: wrap;
}
.hero-stat .num {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--md-primary);
  display: block;
  line-height: 1;
}
.hero-stat .lbl {
  font-size: var(--type-body-sm);
  color: var(--md-on-surface-var);
  margin-top: 4px;
  letter-spacing: .4px;
}

/* Hero Card (MD3 Elevated Card) */
.hero-card {
  background: var(--md-surface);
  border-radius: var(--shape-xl);
  box-shadow: var(--md-elev-3);
  padding: 2rem;
  max-width: 380px;
  margin-left: auto;
}
.hero-card-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-bottom: 1rem;
  margin-bottom: 1.25rem;
  border-bottom: 1px solid var(--md-outline-var);
}
.hero-card-avatar {
  width: 48px; height: 48px;
  border-radius: var(--shape-md);
  background: var(--md-primary-container);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem;
}
.hero-card-title { font-size: var(--type-title-md); font-weight: 700; color: var(--md-on-background); }
.hero-card-sub   { font-size: var(--type-body-sm); color: var(--md-on-surface-var); }

.service-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--md-surface-1);
  border: 1px solid var(--md-outline-var);
  border-radius: var(--shape-sm);
  padding: 7px 12px;
  font-size: var(--type-label-lg);
  color: var(--md-on-surface-var);
  margin: 4px;
  cursor: pointer;
  transition: all var(--transition-fast);
}
.service-chip:hover {
  background: var(--md-primary-container);
  color: var(--md-on-primary-cont);
  border-color: var(--md-primary-container);
}

/* ── Page Hero (inner pages) ─────────────────────────────────── */
.page-hero {
  background: var(--md-surface-2);
  padding: 120px 0 60px;
  border-bottom: 1px solid var(--md-outline-var);
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute;
  top: -120px; right: -80px;
  width: 400px; height: 400px;
  border-radius: 50%;
  background: var(--md-primary-container);
  opacity: .4;
}
.page-hero h1 { font-weight: 400; color: var(--md-on-background); margin: .5rem 0 .75rem; }
.page-hero p  { color: var(--md-on-surface-var); max-width: 560px; margin: 0 auto; }

.breadcrumb {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  margin-top: 1rem;
  font-size: var(--type-body-sm);
  color: var(--md-on-surface-var);
}
.breadcrumb a { color: var(--md-primary); font-weight: 500; }
.breadcrumb span { color: var(--md-outline); font-size: .7rem; }

/* ── MD3 Surface Tones ───────────────────────────────────────── */
.surf-1 { background: var(--md-surface-1); }
.surf-2 { background: var(--md-surface-2); }

/* ── Stats Band ──────────────────────────────────────────────── */
.stats-band {
  background: var(--md-primary);
  padding: 60px 0;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  text-align: center;
}
.stat-item .num {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--md-primary-container);
  display: block;
  line-height: 1;
}
.stat-item .lbl {
  font-size: var(--type-body-sm);
  color: rgba(255,255,255,.75);
  margin-top: 6px;
  letter-spacing: .4px;
}

/* ── Service Cards ───────────────────────────────────────────── */
.service-card {
  background: var(--md-surface);
  border-radius: var(--shape-lg);
  padding: 1.75rem;
  border: 1px solid var(--md-outline-var);
  transition: all var(--transition);
  cursor: default;
  position: relative;
  overflow: hidden;
}
.service-card::after { content: ''; position: absolute; inset: 0; background: var(--md-primary); opacity: 0; transition: opacity var(--transition-fast); }
.service-card:hover { box-shadow: var(--md-elev-3); border-color: var(--md-primary); transform: translateY(-4px); }
.service-card:hover::after { opacity: .03; }

.service-icon-wrap {
  width: 52px; height: 52px;
  border-radius: var(--shape-md);
  background: var(--md-primary-container);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1rem;
  transition: background var(--transition);
}
.service-card:hover .service-icon-wrap { background: var(--md-primary); }

.service-card h4 { font-size: var(--type-title-md); font-weight: 600; margin-bottom: .5rem; color: var(--md-on-background); }
.service-card p  { font-size: var(--type-body-md); color: var(--md-on-surface-var); }

/* ── Detailed Service Card ───────────────────────────────────── */
.service-detail-card {
  background: var(--md-surface);
  border-radius: var(--shape-lg);
  padding: 1.75rem;
  border: 1px solid var(--md-outline-var);
  transition: all var(--transition);
}
.service-detail-card:hover {
  border-color: var(--md-primary);
  box-shadow: var(--md-elev-2);
  transform: translateY(-3px);
}
.svc-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 1rem;
}
.svc-icon-lg {
  width: 56px; height: 56px;
  border-radius: var(--shape-md);
  background: var(--md-primary-container);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.7rem;
  flex-shrink: 0;
}
.service-detail-card h3 { font-size: var(--type-title-md); font-weight: 600; color: var(--md-on-background); }
.service-detail-card ul { padding-left: 1.1rem; list-style: disc; margin-top: .5rem; }
.service-detail-card li { font-size: var(--type-body-md); color: var(--md-on-surface-var); margin-bottom: 6px; }

/* ── Project Card ────────────────────────────────────────────── */
.proj-card {
  background: var(--md-surface);
  border-radius: var(--shape-lg);
  overflow: hidden;
  border: 1px solid var(--md-outline-var);
  transition: all var(--transition);
}
.proj-card:hover { box-shadow: var(--md-elev-3); border-color: transparent; transform: translateY(-5px); }

.proj-thumb {
  height: 200px;
  display: flex; align-items: center; justify-content: center;
  font-size: 3.5rem;
  position: relative;
}
.proj-overlay {
  position: absolute; inset: 0;
  background: rgba(0,87,217,.88);
  display: flex; align-items: center; justify-content: center;
  opacity: 0;
  transition: opacity var(--transition);
}
.proj-card:hover .proj-overlay { opacity: 1; }

.proj-body { padding: 1.25rem 1.5rem 1.5rem; }
.proj-body h4 { font-size: var(--type-title-md); font-weight: 600; margin-bottom: .4rem; color: var(--md-on-background); }
.proj-body p  { font-size: var(--type-body-md); color: var(--md-on-surface-var); margin-bottom: 1rem; }
.proj-tags { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 1rem; }

/* ── Client Card ─────────────────────────────────────────────── */
.clients-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}
.client-card {
  background: var(--md-surface);
  border: 1px solid var(--md-outline-var);
  border-radius: var(--shape-lg);
  padding: 1.5rem 1rem;
  display: flex; flex-direction: column; align-items: center;
  text-align: center; gap: 8px;
  transition: all var(--transition);
}
.client-card:hover { border-color: var(--md-primary); box-shadow: var(--md-elev-2); transform: translateY(-3px); }
.client-logo-wrap {
  width: 72px; height: 72px;
  border-radius: var(--shape-md);
  background: var(--md-primary-container);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.7rem;
}
.client-card h4 { font-size: var(--type-title-sm); font-weight: 600; color: var(--md-on-background); }
.client-sector { font-size: var(--type-label-md); color: var(--md-primary); font-weight: 500; letter-spacing: .5px; text-transform: uppercase; }

/* ── Value / Feature Card ────────────────────────────────────── */
.value-card {
  background: var(--md-surface-1);
  border-radius: var(--shape-lg);
  padding: 1.75rem;
  text-align: center;
  border: 1px solid var(--md-outline-var);
  transition: all var(--transition);
}
.value-card:hover { background: var(--md-surface-2); box-shadow: var(--md-elev-1); transform: translateY(-2px); }
.value-icon { font-size: 2rem; margin-bottom: 1rem; }
.value-card h4 { font-size: var(--type-title-sm); font-weight: 600; margin-bottom: .5rem; color: var(--md-on-background); }
.value-card p  { font-size: var(--type-body-md); color: var(--md-on-surface-var); }

/* ── Course Card ─────────────────────────────────────────────── */
.course-card {
  background: var(--md-surface);
  border-radius: var(--shape-lg);
  overflow: hidden;
  border: 1px solid var(--md-outline-var);
  transition: all var(--transition);
}
.course-card:hover { box-shadow: var(--md-elev-3); border-color: transparent; transform: translateY(-4px); }

.course-header {
  background: var(--md-primary);
  padding: 2rem;
  text-align: center;
}
.course-icon { font-size: 2.5rem; margin-bottom: .75rem; }
.course-header h3 { color: var(--md-on-primary); font-size: var(--type-title-lg); font-weight: 600; }
.course-header p  { color: rgba(255,255,255,.75); font-size: var(--type-body-sm); margin-top: .3rem; }

.course-body { padding: 1.5rem; }
.course-body ul { padding-left: 1.1rem; list-style: disc; margin-bottom: 1rem; }
.course-body li { font-size: var(--type-body-md); color: var(--md-on-surface-var); margin-bottom: 5px; }
.course-meta {
  display: flex; gap: 1rem; flex-wrap: wrap;
  padding-top: 1rem;
  border-top: 1px solid var(--md-outline-var);
  font-size: var(--type-body-sm);
  color: var(--md-on-surface-var);
}

/* ── Curriculum Table (MD3 styled) ───────────────────────────── */
.curriculum-table {
  width: 100%;
  border-collapse: collapse;
  border-radius: var(--shape-lg);
  overflow: hidden;
  box-shadow: var(--md-elev-1);
  background: var(--md-surface);
}
.curriculum-table th {
  background: var(--md-primary);
  color: var(--md-on-primary);
  padding: 14px 16px;
  text-align: left;
  font-size: var(--type-label-lg);
  font-weight: 500;
  letter-spacing: .1px;
}
.curriculum-table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--md-outline-var);
  font-size: var(--type-body-md);
  color: var(--md-on-surface-var);
}
.curriculum-table tr:last-child td { border-bottom: none; }
.curriculum-table tr:nth-child(even) td { background: var(--md-surface-1); }

/* ── Founder Card ────────────────────────────────────────────── */
.founder-card {
  display: grid;
  grid-template-columns: 280px 1fr;
  border-radius: var(--shape-xl);
  overflow: hidden;
  box-shadow: var(--md-elev-2);
  border: 1px solid var(--md-outline-var);
}
.founder-photo {
  background: var(--md-primary);
  padding: 2.5rem 2rem;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  text-align: center;
}
.founder-avatar {
  width: 100px; height: 100px;
  border-radius: var(--shape-full);
  background: var(--md-primary-container);
  border: 3px solid rgba(255,255,255,.3);
  display: flex; align-items: center; justify-content: center;
  font-size: 2.5rem;
  margin-bottom: 1rem;
}
.founder-photo h3 { color: var(--md-on-primary); font-size: var(--type-title-lg); font-weight: 600; }
.founder-photo .role { color: var(--md-primary-container); font-size: var(--type-body-sm); margin-top: 4px; font-weight: 500; }
.founder-body { padding: 2.5rem; background: var(--md-surface); }
.founder-body h2 { margin-bottom: .5rem; font-weight: 600; }
.founder-body p  { margin-bottom: 1rem; }

/* ── Timeline ────────────────────────────────────────────────── */
.timeline { position: relative; padding-left: 2.5rem; }
.timeline::before {
  content: ''; position: absolute;
  left: 10px; top: 6px; bottom: 6px;
  width: 2px;
  background: linear-gradient(to bottom, var(--md-primary), var(--md-outline-var));
}
.tl-item { position: relative; margin-bottom: 2rem; }
.tl-dot {
  position: absolute;
  left: -2.5rem;
  top: 4px;
  width: 20px; height: 20px;
  border-radius: var(--shape-full);
  background: var(--md-primary);
  border: 3px solid var(--md-surface);
  box-shadow: 0 0 0 2px var(--md-primary);
}
.tl-year {
  font-size: var(--type-label-lg);
  font-weight: 700;
  color: var(--md-primary);
  letter-spacing: .1px;
  margin-bottom: 4px;
}
.tl-item h4 { font-size: var(--type-title-sm); font-weight: 600; margin-bottom: 4px; color: var(--md-on-background); }
.tl-item p  { font-size: var(--type-body-md); }

/* ── Contact Section ─────────────────────────────────────────── */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 2rem;
  align-items: start;
}

.contact-info-card {
  background: var(--md-primary);
  border-radius: var(--shape-xl);
  padding: 2.5rem;
}
.contact-info-card h3 { color: var(--md-on-primary); font-size: var(--type-headline-sm); font-weight: 500; margin-bottom: 1.75rem; }

.contact-item {
  display: flex; gap: 1rem; margin-bottom: 1.5rem; align-items: flex-start;
}
.contact-item-icon {
  width: 44px; height: 44px;
  border-radius: var(--shape-sm);
  background: rgba(255,255,255,.15);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.25rem; flex-shrink: 0;
}
.contact-item h5 {
  font-size: var(--type-label-md);
  color: var(--md-primary-container);
  letter-spacing: .5px;
  text-transform: uppercase;
  font-weight: 500;
  margin-bottom: 4px;
}
.contact-item p { color: rgba(255,255,255,.85); font-size: var(--type-body-md); }

/* MD3 Form */
.contact-form-card {
  background: var(--md-surface);
  border-radius: var(--shape-xl);
  padding: 2.5rem;
  box-shadow: var(--md-elev-2);
  border: 1px solid var(--md-outline-var);
}
.contact-form-card h3 { font-size: var(--type-headline-sm); font-weight: 500; margin-bottom: 1.5rem; color: var(--md-on-background); }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-group { margin-bottom: 1.25rem; }

/* MD3 Outlined TextField */
.form-group label {
  display: block;
  font-size: var(--type-body-sm);
  font-weight: 500;
  color: var(--md-on-surface-var);
  margin-bottom: 6px;
  letter-spacing: .4px;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 14px 16px;
  border: 1.5px solid var(--md-outline);
  border-radius: var(--shape-xs);
  font-family: inherit;
  font-size: var(--type-body-lg);
  color: var(--md-on-background);
  background: var(--md-surface);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
  -webkit-appearance: none;
}
.form-group input:hover,
.form-group select:hover,
.form-group textarea:hover { border-color: var(--md-on-surface-var); }
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--md-primary);
  border-width: 2px;
  padding: 13px 15px; /* compensate for border width increase */
  box-shadow: none;
  background: var(--md-surface);
}
.form-group textarea { resize: vertical; min-height: 120px; }

.form-success {
  display: none;
  background: var(--md-tert-container);
  border-radius: var(--shape-sm);
  padding: 12px 16px;
  color: var(--md-tertiary);
  font-size: var(--type-body-md);
  margin-top: 1rem;
  font-weight: 500;
}

/* ── Map Placeholder ─────────────────────────────────────────── */
.map-placeholder {
  height: 360px;
  background: var(--md-surface-2);
  border-radius: var(--shape-lg);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: .75rem;
  color: var(--md-on-surface-var);
  border: 2px dashed var(--md-outline-var);
}
.map-placeholder .map-icon { font-size: 2.5rem; }

/* ── CTA Band ────────────────────────────────────────────────── */
.cta-band {
  background: var(--md-primary-container);
  padding: 80px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-band::before {
  content: '';
  position: absolute; top: -80px; right: -80px;
  width: 300px; height: 300px;
  border-radius: 50%;
  background: var(--md-sec-container);
  opacity: .4;
}
.cta-band h2  { color: var(--md-on-primary-cont); margin-bottom: .75rem; font-weight: 500; position: relative; }
.cta-band p   { color: var(--md-on-primary-cont); opacity: .75; margin-bottom: 2rem; position: relative; }
.cta-band .md-btn { position: relative; }

/* ── FAQ Details ─────────────────────────────────────────────── */
details.faq-item {
  background: var(--md-surface);
  border-radius: var(--shape-md);
  border: 1px solid var(--md-outline-var);
  padding: 1.25rem 1.5rem;
  cursor: pointer;
  transition: border-color var(--transition-fast);
}
details.faq-item[open] { border-color: var(--md-primary); }
details.faq-item summary {
  font-weight: 600;
  font-size: var(--type-title-sm);
  color: var(--md-on-background);
  list-style: none;
  display: flex; justify-content: space-between; align-items: center;
}
details.faq-item summary::after { content: '+'; font-size: 1.4rem; color: var(--md-primary); }
details.faq-item[open] summary::after { content: '−'; }
details.faq-item p { margin-top: .75rem; font-size: var(--type-body-md); }

/* ── Testimonial Card ────────────────────────────────────────── */
.testimonial-card {
  background: var(--md-surface-1);
  border-radius: var(--shape-lg);
  padding: 2rem;
  border: 1px solid var(--md-outline-var);
}
.testimonial-stars { font-size: 1.2rem; margin-bottom: .75rem; color: var(--md-secondary); }
.testimonial-card blockquote {
  font-style: italic;
  color: var(--md-on-surface-var);
  font-size: var(--type-body-lg);
  line-height: 1.7;
  margin-bottom: 1rem;
}
.testimonial-card cite {
  font-style: normal;
  font-weight: 600;
  font-size: var(--type-label-lg);
  color: var(--md-on-background);
  display: block;
}
.testimonial-card .location {
  font-size: var(--type-label-md);
  color: var(--md-primary);
  font-weight: 500;
  margin-top: 2px;
}

/* ── Footer ──────────────────────────────────────────────────── */
footer {
  background: var(--md-inverse-surface);
  padding: 64px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 2.5rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(255,255,255,.1);
}

.footer-brand .brand-name {
  font-size: var(--type-title-lg);
  font-weight: 700;
  color: var(--md-inverse-on-surf);
}
.footer-brand .brand-tag {
  font-size: var(--type-label-md);
  color: var(--md-inverse-primary);
  letter-spacing: .5px;
  font-weight: 500;
  margin-top: 2px;
}
.footer-brand p {
  color: rgba(255,255,255,.55);
  font-size: var(--type-body-sm);
  margin: 1rem 0 1.5rem;
  max-width: 260px;
  line-height: 1.7;
}

.footer-social { display: flex; gap: 8px; }
.social-btn {
  width: 40px; height: 40px;
  border-radius: var(--shape-full);
  background: rgba(255,255,255,.08);
  display: flex; align-items: center; justify-content: center;
  font-size: .9rem;
  color: rgba(255,255,255,.65);
  border: 1px solid rgba(255,255,255,.12);
  transition: all var(--transition-fast);
  font-weight: 600;
  text-decoration: none;
}
.social-btn:hover { background: var(--md-primary); color: var(--md-on-primary); border-color: var(--md-primary); }

.footer-col h5 {
  font-size: var(--type-label-lg);
  font-weight: 600;
  color: var(--md-inverse-on-surf);
  letter-spacing: .1px;
  margin-bottom: 1rem;
}
.footer-col ul li { margin-bottom: 8px; }
.footer-col ul a {
  font-size: var(--type-body-sm);
  color: rgba(255,255,255,.55);
  transition: color var(--transition-fast);
}
.footer-col ul a:hover { color: var(--md-inverse-primary); }

.footer-bottom {
  padding: 1.25rem 0;
  display: flex; justify-content: space-between; align-items: center;
}
.footer-bottom p { font-size: var(--type-body-sm); color: rgba(255,255,255,.35); }
.footer-bottom a { color: var(--md-inverse-primary); }

/* ── Filter Buttons ──────────────────────────────────────────── */
.filter-bar {
  background: var(--md-surface-1);
  padding: 20px 0;
  border-bottom: 1px solid var(--md-outline-var);
}
.filter-chips {
  display: flex; gap: 8px; flex-wrap: wrap; justify-content: center;
}
.filter-chip {
  height: 36px;
  padding: 0 18px;
  border-radius: var(--shape-full);
  border: 1px solid var(--md-outline);
  background: var(--md-surface);
  color: var(--md-on-surface-var);
  font-size: var(--type-label-lg);
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
  font-family: inherit;
  letter-spacing: .1px;
}
.filter-chip:hover { background: var(--md-surface-2); border-color: var(--md-primary); color: var(--md-primary); }
.filter-chip.active { background: var(--md-primary); color: var(--md-on-primary); border-color: var(--md-primary); }

/* ── Notice box ──────────────────────────────────────────────── */
.md-notice {
  background: var(--md-sec-container);
  border-radius: var(--shape-sm);
  padding: 12px 16px;
  display: flex; gap: 10px; align-items: flex-start;
  max-width: 700px; margin: 0 auto;
}
.md-notice p { font-size: var(--type-body-sm); color: var(--md-on-sec-cont); }

/* ── Animations ──────────────────────────────────────────────── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}
.fade-up { animation: fadeUp .6s cubic-bezier(.2,0,0,1) both; }
.d1 { animation-delay: .1s; }
.d2 { animation-delay: .2s; }
.d3 { animation-delay: .3s; }

/* ── Divider ─────────────────────────────────────────────────── */
.md-divider { border: none; border-top: 1px solid var(--md-outline-var); margin: 0; }

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

/* ── Responsive ──────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .grid-4        { grid-template-columns: repeat(2, 1fr); }
  .clients-grid  { grid-template-columns: repeat(3, 1fr); }
  .footer-grid   { grid-template-columns: 1fr 1fr; }
  .stats-grid    { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 900px) {
  .hero-inner    { grid-template-columns: 1fr; }
  .hero-card     { display: none; }
  .founder-card  { grid-template-columns: 1fr; }
  .founder-photo { flex-direction: row; gap: 1.5rem; justify-content: flex-start; min-height: auto; }
  .contact-grid  { grid-template-columns: 1fr; }
  .grid-3        { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  section { padding: 60px 0; }

  .nav-links, .nav-cta { display: none; }
  .hamburger { display: flex; }

  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 64px; left: 0; right: 0;
    background: var(--md-surface);
    border-bottom: 1px solid var(--md-outline-var);
    padding: 1rem;
    gap: 4px;
    box-shadow: var(--md-elev-3);
    animation: fadeUp .2s ease;
    z-index: 999;
  }
  .nav-links.open a {
    padding: .75rem 1rem;
    font-size: var(--type-title-sm);
    border-radius: var(--shape-md);
  }
  .nav-links.open + .nav-cta {
    display: block;
    position: fixed;
    top: auto; left: 0; right: 0;
    background: var(--md-surface);
    padding: .75rem 1rem 1rem;
    box-shadow: var(--md-elev-3);
    z-index: 998;
    text-align: center;
  }
  .grid-2        { grid-template-columns: 1fr; }
  .clients-grid  { grid-template-columns: repeat(2, 1fr); }
  .form-row      { grid-template-columns: 1fr; }
  .footer-grid   { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: .5rem; text-align: center; }
  .hero-stats    { flex-wrap: wrap; gap: 1.5rem; }
  .stats-grid    { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 480px) {
  .grid-3       { grid-template-columns: 1fr; }
  .clients-grid { grid-template-columns: 1fr 1fr; }
  .hero h1      { font-size: 1.9rem; }
  .stats-grid   { grid-template-columns: 1fr 1fr; }
}

/* ── Additional MD3 Polish ────────────────────────────────── */

/* Tonal surface for about/stats quick-fact cards */
.stat-card-inner {
  background: var(--md-primary);
  border-radius: var(--shape-xl);
  padding: 2.5rem;
}

/* MD3 Progress indicator colour override */
::selection {
  background: var(--md-primary-container);
  color: var(--md-on-primary-cont);
}

/* MD3 Focus ring for accessibility */
:focus-visible {
  outline: 3px solid var(--md-primary);
  outline-offset: 3px;
  border-radius: var(--shape-xs);
}

/* Smooth details/FAQ open animation */
details.faq-item summary { cursor: pointer; user-select: none; }
details.faq-item[open] p {
  animation: fadeUp .25s cubic-bezier(.2,0,0,1);
}

/* Navigation active indicator underline (MD3 nav bar style) */
.nav-links a.active::before {
  content: '';
  position: absolute;
  bottom: -1px; left: 50%;
  transform: translateX(-50%);
  width: 20px; height: 3px;
  background: var(--md-primary);
  border-radius: 3px 3px 0 0;
}

/* MD3 Filled button hover lift */
.md-btn-filled:hover   { transform: translateY(-1px); }
.md-btn-outlined:hover { transform: translateY(-1px); }
.md-btn-tonal:hover    { transform: translateY(-1px); }
.md-btn-elevated:hover { transform: translateY(-2px); }

/* Hero counter number animation */
.hero-stat .num {
  display: block;
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--md-primary);
  line-height: 1;
}

/* MD3 — Surface colour on scroll for navbar */
#navbar { transition: box-shadow var(--transition), background var(--transition); }

/* Footer logo icon  */
.footer-logo-icon {
  width: 36px; height: 36px;
  border-radius: var(--shape-sm);
  background: var(--md-primary);
  display: inline-flex; align-items: center; justify-content: center;
  font-weight: 700; color: var(--md-on-primary);
  font-size: .95rem; margin-bottom: .5rem;
}

/* Smooth card hover for project overlays */
.proj-card { cursor: default; }
.proj-card .proj-overlay a { cursor: pointer; }

/* MD3 tonal surface for notice blocks */
.md-notice {
  border-radius: var(--shape-md);
  padding: 14px 18px;
}
.md-notice code {
  background: rgba(0,0,0,.07);
  padding: 1px 6px;
  border-radius: 4px;
  font-family: monospace;
  font-size: .85em;
}

/* Testimonial quote mark */
.testimonial-card blockquote::before {
  content: '"';
  font-size: 3rem;
  line-height: 0;
  vertical-align: -.6rem;
  color: var(--md-primary-container);
  margin-right: 2px;
}

/* Smooth section transitions */
section, header { transition: background var(--transition); }

/* MD3 outlined input — placeholder colour */
.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--md-outline);
  opacity: 1;
}

/* Pill section eyebrow icon dot */
.section-eyebrow {
  position: relative;
}

/* Hero badge glow */
.hero-eyebrow {
  box-shadow: 0 0 0 1px var(--md-primary-container);
}

/* WhatsApp FAB tooltip */
#waFloat::after {
  content: 'WhatsApp';
  position: absolute;
  right: calc(100% + 10px);
  top: 50%;
  transform: translateY(-50%);
  background: var(--md-inverse-surface);
  color: var(--md-inverse-on-surf);
  font-size: .78rem;
  font-weight: 500;
  padding: 4px 10px;
  border-radius: var(--shape-full);
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-fast);
}
#waFloat:hover::after { opacity: 1; }

/* Page section alternate background rhythm */
.surf-alt { background: var(--md-surface-2); }

/* MD3 Card group gap consistency on small screens */
@media (max-width: 600px) {
  .grid-2, .grid-3, .grid-4 { gap: 1rem; }
  .hero-btns { flex-direction: column; align-items: flex-start; }
  .hero-btns .md-btn { width: 100%; justify-content: center; }
  .contact-info-card { padding: 1.75rem; }
  .contact-form-card { padding: 1.75rem; }
}