* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --red: #e02020;
  --dark: #111111;
  --dark2: #161616;
  --dark3: #161616;
  --text-muted: #aaaaaa;
  --white: #ffffff;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', sans-serif;
  background: #111111;
  color: var(--white);
  line-height: 1.6;
}

/* ─── BUTTONS ─────────────────────────────────── */
.btn {
  display: inline-block;
  text-decoration: none;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.2s, transform 0.1s;
}

.btn-primary {
  background: var(--red);
  color: var(--white);
  padding: 16px 36px;
  font-size: 14px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  border: none;
  border-radius: 4px;
}

.btn-primary:hover {
  background: #c01a1a;
  transform: translateY(-1px);
}

.btn-case {
  background: var(--red);
  color: var(--white);
  padding: 18px 0;
  width: 100%;
  text-align: center;
  font-size: 16px;
  font-weight: 700;
  border-radius: 50px;
  border: 2px solid rgba(255,255,255,0.15);
}

.btn-case:hover {
  background: #c01a1a;
}

/* ─── UTILITIES ────────────────────────────────── */
.red { color: var(--red); }

.section-title {
  font-family: 'Montserrat', sans-serif;
  font-size: clamp(28px, 4vw, 52px);
  font-weight: 400;
  text-align: center;
  margin-bottom: 16px;
  color: var(--white);
}

.section-title.left {
  text-align: left;
}

.section-title strong {
  font-weight: 800;
  color: var(--white);
}

.section-sub {
  text-align: center;
  color: var(--text-muted);
  font-size: 16px;
  max-width: 500px;
  margin: 0 auto 48px;
  line-height: 1.7;
}

/* ─── HERO ─────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: url('https://images.unsplash.com/photo-1521737604893-d14cc237f11d?w=1600&q=60') center/cover no-repeat;
  overflow: hidden;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.72);
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 1200px;
  margin: 0 auto;
  padding: 80px 60px;
}

.hero-content h1 {
  font-family: 'Montserrat', sans-serif;
  font-size: clamp(40px, 6vw, 88px);
  font-weight: 800;
  line-height: 1.05;
  color: var(--white);
  margin-bottom: 28px;
}

.hero-sub {
  font-size: 18px;
  color: var(--text-muted);
  margin-bottom: 36px;
  line-height: 1.7;
}

.hero-note {
  margin-top: 14px;
  font-size: 14px;
  color: var(--white);
}

/* ─── STATS ────────────────────────────────────── */
.stats {
  padding: 0 60px 80px;
  max-width: 1200px;
  margin: 0 auto;
}

.stats-card {
  background: var(--red);
  border-radius: 16px;
  padding: 56px 72px;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

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

.stat-number {
  font-family: 'Montserrat', sans-serif;
  font-size: clamp(32px, 4vw, 64px);
  font-weight: 900;
  color: var(--white);
  line-height: 1;
}

.stat-number sup {
  font-size: 0.5em;
  vertical-align: super;
}

.stat-label {
  font-size: 14px;
  color: rgba(255,255,255,0.85);
  line-height: 1.5;
}

/* ─── CASE STUDIES ─────────────────────────────── */
.case-studies {
  padding: 100px 60px;
  text-align: center;
  border-top: 1px solid rgba(255,255,255,0.05);
}

.cases-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  max-width: 1100px;
  margin: 0 auto 48px;
}

.case-item {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.case-label {
  font-size: 15px;
  color: var(--text-muted);
}

.center-btn {
  display: flex;
  justify-content: center;
}

/* ─── ABOUT ────────────────────────────────────── */
.about {
  padding: 100px 60px;
  border-top: 1px solid rgba(255,255,255,0.05);
  max-width: 1200px;
  margin: 0 auto;
}

.about-text p {
  font-size: 16px;
  color: var(--text-muted);
  margin-bottom: 20px;
  line-height: 1.8;
}

.about-big-title {
  font-family: 'Montserrat', sans-serif;
  font-size: clamp(52px, 7vw, 100px);
  font-weight: 900;
  line-height: 0.95;
  letter-spacing: -0.02em;
  margin-bottom: 32px;
}

.about-text .btn {
  margin-top: 12px;
}


/* ─── CONTACT ──────────────────────────────────── */
.contact {
  padding: 100px 60px;
  text-align: center;
  border-top: 1px solid rgba(255,255,255,0.05);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-width: 560px;
  margin: 0 auto;
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.form-field label {
  display: none;
}

.req { color: var(--red); }

.contact-form input {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  color: var(--white);
  padding: 14px 18px;
  font-size: 15px;
  border-radius: 6px;
  outline: none;
  transition: border 0.2s;
  font-family: 'Inter', sans-serif;
  width: 100%;
}

.contact-form input:focus {
  border-color: var(--red);
}

.contact-form input::placeholder {
  color: var(--text-muted);
}

.btn-full {
  align-self: center;
  padding: 16px 36px;
  font-size: 14px;
  letter-spacing: 1.5px;
  margin-top: 8px;
}

/* ─── FOOTER ───────────────────────────────────── */
.footer {
  text-align: center;
  padding: 28px;
  font-size: 13px;
  color: var(--text-muted);
  border-top: 1px solid rgba(255,255,255,0.05);
}

/* ─── ANIMATIONS ──────────────────────────────── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(32px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeLeft {
  from { opacity: 0; transform: translateX(-40px); }
  to   { opacity: 1; transform: translateX(0); }
}
@keyframes fadeRight {
  from { opacity: 0; transform: translateX(40px); }
  to   { opacity: 1; transform: translateX(0); }
}

/* Hero entrance */
.anim-hero-title {
  opacity: 0;
  animation: fadeUp 0.9s cubic-bezier(0.22,1,0.36,1) 0.1s forwards;
}
.anim-hero-sub {
  opacity: 0;
  animation: fadeUp 0.9s cubic-bezier(0.22,1,0.36,1) 0.35s forwards;
}
.anim-hero-cta {
  opacity: 0;
  animation: fadeUp 0.9s cubic-bezier(0.22,1,0.36,1) 0.55s forwards;
}

/* Scroll reveal base states */
.reveal {
  opacity: 0;
  transform: translateY(36px);
  transition: opacity 0.7s cubic-bezier(0.22,1,0.36,1) var(--delay, 0s),
              transform 0.7s cubic-bezier(0.22,1,0.36,1) var(--delay, 0s);
}
.reveal-left {
  opacity: 0;
  transform: translateX(-48px);
  transition: opacity 0.8s cubic-bezier(0.22,1,0.36,1) 0s,
              transform 0.8s cubic-bezier(0.22,1,0.36,1) 0s;
}
.reveal-right {
  opacity: 0;
  transform: translateX(48px);
  transition: opacity 0.8s cubic-bezier(0.22,1,0.36,1) 0.15s,
              transform 0.8s cubic-bezier(0.22,1,0.36,1) 0.15s;
}

/* Triggered state */
.reveal.visible,
.reveal-left.visible,
.reveal-right.visible {
  opacity: 1;
  transform: translate(0, 0);
}

/* ─── RESPONSIVE ───────────────────────────────── */
@media (max-width: 900px) {
  .hero-content { padding: 60px 30px; }
  .stats { padding: 0 24px 60px; }
  .stats-card { padding: 36px 28px; }
  .stats-grid { grid-template-columns: 1fr; gap: 28px; }
  .case-studies { padding: 70px 24px; }
  .cases-grid { grid-template-columns: 1fr; max-width: 400px; }
  .about {
    grid-template-columns: 1fr;
    padding: 70px 24px;
    gap: 40px;
    max-width: 100%;
  }
  .contact { padding: 70px 24px; }
}