/* =============================================
   GOLD-MINERS — Strategic Cost Intelligence
   Main Stylesheet
   ============================================= */

/* --- Google Fonts --- */
@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@400;500;600;700&family=Inter:wght@300;400;500;600&display=swap');

/* --- CSS Variables --- */
:root {
  --gold:        #C9A84C;
  --gold-light:  #E2C97E;
  --gold-dark:   #A07830;
  --gold-pale:   #F5EDD6;
  --black:       #0D0D0D;
  --dark:        #1A1A1A;
  --mid:         #444444;
  --muted:       #888888;
  --border:      #E0E0E0;
  --off-white:   #FAFAFA;
  --white:       #FFFFFF;

  --font-serif:  'Playfair Display', Georgia, serif;
  --font-sans:   'Inter', system-ui, sans-serif;

  --transition:  0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --radius:      4px;
  --shadow:      0 4px 32px rgba(0,0,0,0.08);
  --shadow-lg:   0 16px 64px rgba(0,0,0,0.12);

  --container:   1200px;
  --nav-height:  72px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-sans);
  color: var(--black);
  background: var(--white);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  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-family: inherit; }

/* --- Typography --- */
h1, h2, h3, h4 {
  font-family: var(--font-serif);
  line-height: 1.15;
  color: var(--black);
}

h1 { font-size: clamp(2.4rem, 5vw, 4rem);   font-weight: 600; }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.8rem); font-weight: 600; }
h3 { font-size: clamp(1.2rem, 2vw, 1.6rem);   font-weight: 500; }
h4 { font-size: 1.1rem;  font-weight: 600; font-family: var(--font-sans); letter-spacing: 0.05em; text-transform: uppercase; }

p  { color: var(--mid); font-weight: 300; font-size: 1.05rem; }

/* --- Layout Helpers --- */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 2rem;
}

.section {
  padding: 96px 0;
}

.section--dark {
  background: var(--dark);
  color: var(--white);
}

.section--dark h1,
.section--dark h2,
.section--dark h3,
.section--dark h4 { color: var(--white); }

.section--dark p { color: #AAAAAA; }

.section--pale {
  background: var(--off-white);
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-sans);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1.2rem;
}

.section-label::before {
  content: '';
  display: block;
  width: 28px;
  height: 1.5px;
  background: var(--gold);
  flex-shrink: 0;
}

.section-intro {
  max-width: 680px;
  margin-bottom: 64px;
}

.section-intro h2 { margin-bottom: 1rem; }

.text-center { text-align: center; }
.text-center .section-intro { margin-left: auto; margin-right: auto; }
.text-center .section-label { justify-content: center; }

/* --- Gold Divider --- */
.gold-line {
  width: 56px;
  height: 2px;
  background: linear-gradient(90deg, var(--gold), var(--gold-light));
  margin: 1.4rem 0;
}

.gold-line--center { margin-left: auto; margin-right: auto; }

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  transition: var(--transition);
  border-radius: var(--radius);
}

.btn--gold {
  background: var(--gold);
  color: var(--white);
}

.btn--gold:hover {
  background: var(--gold-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(201,168,76,0.35);
}

.btn--outline {
  border: 1.5px solid var(--gold);
  color: var(--gold);
}

.btn--outline:hover {
  background: var(--gold);
  color: var(--white);
  transform: translateY(-2px);
}

.btn--outline-white {
  border: 1.5px solid rgba(255,255,255,0.5);
  color: var(--white);
}

.btn--outline-white:hover {
  border-color: var(--gold);
  color: var(--gold);
}

.btn svg { width: 16px; height: 16px; transition: transform 0.3s; }
.btn:hover svg { transform: translateX(4px); }

/* =============================================
   NAVIGATION
   ============================================= */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-height);
  z-index: 1000;
  transition: background var(--transition), box-shadow var(--transition);
}

.navbar.scrolled {
  background: rgba(255,255,255,0.97);
  box-shadow: 0 1px 0 var(--border);
  backdrop-filter: blur(12px);
}

.navbar.transparent {
  background: transparent;
}

.navbar.dark-nav {
  background: var(--dark);
}

.nav-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 2rem;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Logo */
.nav-logo {
  display: flex;
  align-items: baseline;
  gap: 1px;
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--black);
  letter-spacing: -0.02em;
}

.navbar.transparent .nav-logo,
.navbar.dark-nav .nav-logo { color: var(--white); }
.navbar.scrolled .nav-logo { color: var(--black); }

.nav-logo span { color: var(--gold); }

/* Links */
.nav-links {
  display: flex;
  align-items: center;
  gap: 2.4rem;
}

.nav-links a {
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--mid);
  position: relative;
  transition: color var(--transition);
}

.navbar.transparent .nav-links a,
.navbar.dark-nav .nav-links a { color: rgba(255,255,255,0.75); }
.navbar.scrolled .nav-links a  { color: var(--mid); }

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 1.5px;
  background: var(--gold);
  transition: width var(--transition);
}

.nav-links a:hover,
.nav-links a.active { color: var(--gold); }
.navbar.transparent .nav-links a:hover { color: var(--gold); }

.nav-links a:hover::after,
.nav-links a.active::after { width: 100%; }

.nav-cta {
  margin-left: 1rem;
  padding: 10px 24px !important;
  background: var(--gold) !important;
  color: var(--white) !important;
  border-radius: var(--radius);
  font-size: 0.82rem !important;
  font-weight: 600 !important;
  letter-spacing: 0.06em;
  transition: var(--transition);
}

.nav-cta:hover {
  background: var(--gold-dark) !important;
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(201,168,76,0.4) !important;
}

.nav-cta::after { display: none !important; }

/* Hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 28px;
  cursor: pointer;
  padding: 4px 0;
}

.nav-toggle span {
  display: block;
  height: 1.5px;
  background: var(--black);
  transition: var(--transition);
  transform-origin: center;
}

.navbar.transparent .nav-toggle span,
.navbar.dark-nav .nav-toggle span { background: var(--white); }

.nav-toggle.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* Mobile nav */
.nav-mobile {
  position: fixed;
  top: var(--nav-height);
  left: 0; right: 0;
  background: var(--white);
  padding: 1.5rem 2rem 2rem;
  transform: translateY(-120%);
  opacity: 0;
  transition: var(--transition);
  border-bottom: 1px solid var(--border);
  z-index: 999;
  box-shadow: var(--shadow);
}

.nav-mobile.open {
  transform: translateY(0);
  opacity: 1;
}

.nav-mobile a {
  display: block;
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--border);
  font-size: 1rem;
  font-weight: 500;
  color: var(--dark);
  letter-spacing: 0.03em;
}

.nav-mobile a:last-child { border-bottom: none; }
.nav-mobile a:hover { color: var(--gold); }

/* =============================================
   HERO — HOME
   ============================================= */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  background: var(--dark);
  padding-top: var(--nav-height);
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 70% 50%, rgba(201,168,76,0.07) 0%, transparent 70%),
    linear-gradient(135deg, #0D0D0D 0%, #1A1A1A 100%);
}

/* Geometric accent */
.hero-bg::after {
  content: '';
  position: absolute;
  right: -80px;
  top: 50%;
  transform: translateY(-50%);
  width: 600px;
  height: 600px;
  border: 1px solid rgba(201,168,76,0.12);
  border-radius: 50%;
}

.hero-bg::before {
  content: '';
  position: absolute;
  right: 60px;
  top: 50%;
  transform: translateY(-50%);
  width: 380px;
  height: 380px;
  border: 1px solid rgba(201,168,76,0.08);
  border-radius: 50%;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 720px;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1.8rem;
}

.hero-eyebrow span {
  display: block;
  width: 36px;
  height: 1px;
  background: var(--gold);
}

.hero h1 {
  color: var(--white);
  margin-bottom: 1.8rem;
  font-weight: 600;
}

.hero h1 em {
  font-style: normal;
  color: var(--gold);
}

.hero-sub {
  font-size: 1.15rem;
  color: rgba(255,255,255,0.55);
  font-weight: 300;
  max-width: 540px;
  margin-bottom: 2.8rem;
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.hero-scroll {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,0.3);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  z-index: 2;
  animation: bounce 2s infinite;
}

.hero-scroll::after {
  content: '';
  display: block;
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, rgba(255,255,255,0.3), transparent);
}

@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50%       { transform: translateX(-50%) translateY(6px); }
}

/* =============================================
   PAGE HEROES (inner pages)
   ============================================= */
.page-hero {
  padding: calc(var(--nav-height) + 64px) 0 64px;
  background: var(--dark);
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  top: -120px; right: -120px;
  width: 500px; height: 500px;
  border: 1px solid rgba(201,168,76,0.1);
  border-radius: 50%;
}

.page-hero .section-label { color: var(--gold); }

.page-hero h1 { color: var(--white); max-width: 680px; margin-bottom: 1rem; }
.page-hero p  { color: rgba(255,255,255,0.5); max-width: 520px; font-size: 1.1rem; }

/* =============================================
   STATS BAR
   ============================================= */
.stats-bar {
  background: var(--gold);
  padding: 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}

.stat-item {
  padding: 2.4rem 2rem;
  border-right: 1px solid rgba(255,255,255,0.25);
  text-align: center;
}

.stat-item:last-child { border-right: none; }

.stat-number {
  font-family: var(--font-serif);
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--white);
  line-height: 1;
  margin-bottom: 0.3rem;
}

.stat-label {
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.75);
}

/* =============================================
   SERVICE / SOLUTION CARDS
   ============================================= */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5px;
  background: var(--border);
}

.card {
  background: var(--white);
  padding: 3rem 2.5rem;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 0; height: 2px;
  background: linear-gradient(90deg, var(--gold), var(--gold-light));
  transition: width 0.4s ease;
}

.card:hover::before { width: 100%; }

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  z-index: 2;
}

.card-icon {
  width: 48px;
  height: 48px;
  margin-bottom: 1.6rem;
  color: var(--gold);
}

.card h3 { margin-bottom: 0.8rem; }
.card p  { font-size: 0.97rem; line-height: 1.75; }

.card-number {
  font-family: var(--font-serif);
  font-size: 3.5rem;
  font-weight: 700;
  color: var(--gold-pale);
  line-height: 1;
  margin-bottom: 1rem;
  transition: color var(--transition);
}

.card:hover .card-number { color: var(--gold-light); }

/* Bordered card variant */
.card--bordered {
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  background: var(--white);
}

.card--bordered:hover {
  border-color: var(--gold);
}

/* =============================================
   FEATURE LIST
   ============================================= */
.feature-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.feature-item {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 2rem;
  padding: 2.4rem 0;
  border-bottom: 1px solid var(--border);
  align-items: start;
  transition: var(--transition);
}

.feature-item:first-child { border-top: 1px solid var(--border); }

.feature-item:hover .feature-num { color: var(--gold); }

.feature-num {
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 600;
  color: var(--border);
  line-height: 1;
  transition: color 0.3s;
}

.feature-body h3 { margin-bottom: 0.5rem; }

/* =============================================
   PROCESS STEPS
   ============================================= */
.process-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 2px;
  background: var(--border);
  counter-reset: steps;
}

.process-step {
  background: var(--white);
  padding: 2.8rem 2rem;
  counter-increment: steps;
  position: relative;
}

.process-step::before {
  content: counter(steps, decimal-leading-zero);
  font-family: var(--font-serif);
  font-size: 3rem;
  font-weight: 700;
  color: var(--gold-pale);
  display: block;
  line-height: 1;
  margin-bottom: 1.2rem;
}

.process-step h4 {
  margin-bottom: 0.5rem;
  font-size: 0.82rem;
  letter-spacing: 0.12em;
}

.process-step p { font-size: 0.93rem; }

/* =============================================
   TECH STACK
   ============================================= */
.tech-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
}

.tech-card {
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  padding: 2.4rem 2rem;
  transition: var(--transition);
}

.tech-card:hover {
  border-color: var(--gold);
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}

.tech-card-icon {
  width: 44px;
  height: 44px;
  background: var(--gold-pale);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.2rem;
  color: var(--gold-dark);
}

.tech-tag {
  display: inline-block;
  padding: 3px 10px;
  background: var(--gold-pale);
  color: var(--gold-dark);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-radius: 2px;
  margin-top: 1rem;
}

/* =============================================
   TEAM
   ============================================= */
.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.team-card {
  display: flex;
  gap: 2rem;
  padding: 2.4rem;
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  align-items: flex-start;
  transition: var(--transition);
}

.team-card:hover {
  border-color: var(--gold);
  box-shadow: var(--shadow);
}

.team-avatar {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--gold), var(--gold-dark));
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--white);
}

.team-info h3 { font-size: 1.2rem; margin-bottom: 0.2rem; }
.team-info .team-title {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 0.7rem;
}

.team-info p { font-size: 0.93rem; line-height: 1.7; }

/* =============================================
   VALUES
   ============================================= */
.values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 3rem 2rem;
}

.value-item { text-align: center; }

.value-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 1.2rem;
  background: var(--gold-pale);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gold-dark);
}

.value-item h4 {
  font-size: 0.82rem;
  letter-spacing: 0.12em;
  margin-bottom: 0.5rem;
}

.value-item p { font-size: 0.93rem; }

/* =============================================
   QUOTE / CALLOUT
   ============================================= */
.callout {
  border-left: 3px solid var(--gold);
  padding: 1.5rem 2rem;
  background: var(--off-white);
}

.callout p {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  color: var(--dark);
  font-style: italic;
}

/* =============================================
   CTA SECTION
   ============================================= */
.cta-section {
  background: var(--dark);
  padding: 80px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 700px;
  height: 700px;
  border: 1px solid rgba(201,168,76,0.07);
  border-radius: 50%;
}

.cta-section h2 { color: var(--white); margin-bottom: 1rem; }
.cta-section p  { color: rgba(255,255,255,0.5); margin-bottom: 2.4rem; max-width: 520px; margin-left: auto; margin-right: auto; }
.cta-section .btn { margin: 0 0.5rem 0.5rem; }

/* =============================================
   CONTACT FORM
   ============================================= */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 5rem;
  align-items: start;
}

.contact-info h3 { margin-bottom: 1rem; }
.contact-info p  { margin-bottom: 2rem; }

.contact-detail {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  margin-bottom: 1.5rem;
}

.contact-detail-icon {
  width: 40px;
  height: 40px;
  background: var(--gold-pale);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gold-dark);
  flex-shrink: 0;
}

.contact-detail-text strong {
  display: block;
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 0.15rem;
}

.contact-detail-text span { font-size: 0.97rem; color: var(--mid); }

/* Form */
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.2rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group--full { grid-column: span 2; }

.form-group label {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--mid);
}

.form-group input,
.form-group select,
.form-group textarea {
  padding: 14px 16px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  font-family: var(--font-sans);
  font-size: 0.97rem;
  color: var(--dark);
  background: var(--white);
  outline: none;
  transition: border-color var(--transition);
  -webkit-appearance: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--gold);
}

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

.form-submit { margin-top: 0.6rem; }
.form-submit .btn { width: 100%; justify-content: center; padding: 16px; }

.form-note {
  font-size: 0.82rem;
  color: var(--muted);
  margin-top: 0.8rem;
  text-align: center;
}

/* =============================================
   FOOTER
   ============================================= */
.footer {
  background: var(--black);
  color: rgba(255,255,255,0.55);
  padding: 64px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 3rem;
  padding-bottom: 56px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer-brand .footer-logo {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 1rem;
}

.footer-brand .footer-logo span { color: var(--gold); }

.footer-brand p { font-size: 0.9rem; line-height: 1.75; margin-bottom: 1.5rem; }

.footer-col h5 {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--white);
  margin-bottom: 1.2rem;
}

.footer-col ul { display: flex; flex-direction: column; gap: 0.65rem; }

.footer-col ul a {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.5);
  transition: color var(--transition);
}

.footer-col ul a:hover { color: var(--gold); }

.footer-bottom {
  padding: 1.4rem 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.82rem;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.footer-bottom a {
  color: rgba(255,255,255,0.4);
  transition: color var(--transition);
}

.footer-bottom a:hover { color: var(--gold); }

/* =============================================
   SCROLL ANIMATIONS
   ============================================= */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* =============================================
   UTILITY
   ============================================= */
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

/* =============================================
   RESPONSIVE
   ============================================= */
@media (max-width: 1024px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat-item { border-right: none; border-bottom: 1px solid rgba(255,255,255,0.25); }
  .stat-item:nth-child(2n) { border-right: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1fr; gap: 3rem; }
}

@media (max-width: 768px) {
  :root { --nav-height: 64px; }

  .section { padding: 64px 0; }

  .nav-links { display: none; }
  .nav-toggle { display: flex; }

  h1 { font-size: 2.2rem; }
  h2 { font-size: 1.8rem; }

  .hero-actions { flex-direction: column; }
  .hero-actions .btn { text-align: center; justify-content: center; }

  .stats-grid { grid-template-columns: 1fr 1fr; }

  .cards-grid { grid-template-columns: 1fr; gap: 1px; }

  .form-grid { grid-template-columns: 1fr; }
  .form-group--full { grid-column: span 1; }

  .team-card { flex-direction: column; gap: 1rem; }

  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
  .footer-bottom { flex-direction: column; text-align: center; }

  .process-grid { grid-template-columns: 1fr; }
  .tech-grid { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .container { padding: 0 1.25rem; }
  .hero { padding-top: var(--nav-height); }
  .stats-grid { grid-template-columns: 1fr; }
  .stat-item { border-right: none; }
}