/* ==========================================
   BLUE NIMBLE — Main Stylesheet
   ========================================== */

/* ---------- CSS Variables ---------- */
:root {
  --color-primary:   #0d2f5e;
  --color-secondary: #1a5fa8;
  --color-accent:    #3b9eff;
  --color-light:     #e8f2ff;
  --color-white:     #ffffff;
  --color-dark:      #0a1c3a;
  --color-text:      #2c3e50;
  --color-muted:     #6b7a99;
  --color-border:    #d4e3f5;
  --color-success:   #27ae60;
  --color-error:     #e74c3c;
  --color-whatsapp:  #25d366;

  --font-body:    'Inter', sans-serif;
  --font-heading: 'Playfair Display', serif;

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

  --shadow-sm:  0 2px 8px rgba(13, 47, 94, 0.08);
  --shadow-md:  0 8px 30px rgba(13, 47, 94, 0.12);
  --shadow-lg:  0 20px 60px rgba(13, 47, 94, 0.18);

  --transition: 0.3s ease;
  --container:  1200px;
}

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

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

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

img { max-width: 100%; display: block; }
a  { text-decoration: none; color: inherit; }
ul { list-style: none; }

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

/* ---------- Section Shared ---------- */
.section { padding: 100px 0; }

.section__header {
  text-align: center;
  margin-bottom: 64px;
}

.section__tag {
  display: inline-block;
  background: var(--color-light);
  color: var(--color-secondary);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  padding: 6px 16px;
  border-radius: 50px;
  margin-bottom: 16px;
}

.section__title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 3rem);
  color: var(--color-primary);
  margin-bottom: 16px;
  line-height: 1.2;
}

.section__line {
  width: 60px;
  height: 4px;
  background: linear-gradient(90deg, var(--color-secondary), var(--color-accent));
  border-radius: 2px;
  margin: 0 auto 24px;
}

.section__subtitle {
  max-width: 640px;
  margin: 0 auto;
  color: var(--color-muted);
  font-size: 1.05rem;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  border: 2px solid transparent;
  white-space: nowrap;
}

.btn--primary {
  background: linear-gradient(135deg, var(--color-secondary), var(--color-accent));
  color: var(--color-white);
  box-shadow: 0 4px 20px rgba(26, 95, 168, 0.35);
}
.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(26, 95, 168, 0.45);
}

.btn--outline {
  background: transparent;
  color: var(--color-white);
  border-color: rgba(255,255,255,0.6);
}
.btn--outline:hover {
  background: rgba(255,255,255,0.15);
  border-color: var(--color-white);
}

.btn--whatsapp {
  background: var(--color-whatsapp);
  color: var(--color-white);
  margin-top: 12px;
}
.btn--whatsapp:hover {
  background: #1ebe5d;
  transform: translateY(-2px);
}

.btn--full { width: 100%; justify-content: center; }

/* ---------- Logo ---------- */
.logo-blue   { color: var(--color-accent); font-size: 1.5rem; font-weight: 800; letter-spacing: -0.5px; }
.logo-nimble { color: var(--color-white);  font-size: 1.5rem; font-weight: 800; letter-spacing: -0.5px; }

/* ==========================================
   HEADER / NAVIGATION
   ========================================== */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 20px 0;
  transition: all var(--transition);
}

.header.scrolled {
  background: rgba(10, 28, 58, 0.97);
  backdrop-filter: blur(12px);
  padding: 14px 0;
  box-shadow: 0 4px 30px rgba(0,0,0,0.2);
}

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

.nav__logo { display: flex; align-items: baseline; gap: 0; }

.nav__menu {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav__link {
  color: rgba(255,255,255,0.85);
  font-size: 0.9rem;
  font-weight: 500;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}

.nav__link:hover {
  color: var(--color-white);
  background: rgba(255,255,255,0.1);
}

.nav__link.active { color: var(--color-accent); }

.nav__link--cta {
  background: var(--color-secondary);
  color: var(--color-white) !important;
  padding: 8px 20px;
}
.nav__link--cta:hover {
  background: var(--color-accent);
  transform: none;
}

.nav__toggle {
  display: none;
  background: none;
  border: none;
  color: var(--color-white);
  font-size: 1.4rem;
  cursor: pointer;
  padding: 4px;
}

/* Mobile nav */
@media (max-width: 768px) {
  .nav__toggle { display: block; }

  .nav__menu {
    position: fixed;
    top: 0; right: -100%;
    width: 280px;
    height: 100vh;
    background: var(--color-dark);
    flex-direction: column;
    align-items: flex-start;
    padding: 80px 32px 32px;
    gap: 4px;
    transition: right var(--transition);
    box-shadow: -10px 0 40px rgba(0,0,0,0.3);
  }
  .nav__menu.open { right: 0; }

  .nav__link { width: 100%; font-size: 1rem; }

  .nav__link--cta { margin-top: 16px; text-align: center; }
}

/* ==========================================
   HERO
   ========================================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, var(--color-dark) 0%, var(--color-primary) 50%, #0f3a7a 100%);
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(59, 158, 255, 0.12) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 20%, rgba(26, 95, 168, 0.15) 0%, transparent 60%);
  pointer-events: none;
}

.hero__bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.02'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.hero__content {
  position: relative;
  z-index: 1;
  padding: 120px 24px 80px;
  max-width: var(--container);
  margin: 0 auto;
  width: 100%;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(59, 158, 255, 0.15);
  border: 1px solid rgba(59, 158, 255, 0.3);
  color: var(--color-accent);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  padding: 8px 20px;
  border-radius: 50px;
  margin-bottom: 24px;
}

.hero__title {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  color: var(--color-white);
  line-height: 1.1;
  margin-bottom: 24px;
  max-width: 800px;
}

.hero__title--accent {
  background: linear-gradient(135deg, var(--color-accent), #87ceeb);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__subtitle {
  font-size: 1.15rem;
  color: rgba(255,255,255,0.75);
  max-width: 600px;
  margin-bottom: 40px;
  line-height: 1.8;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 60px;
}

.hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 40px;
}

.stat__number {
  display: block;
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--color-accent);
  line-height: 1;
}

.stat__label {
  display: block;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.6);
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-top: 4px;
}

.hero__scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
}

.hero__scroll a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border: 2px solid rgba(255,255,255,0.3);
  border-radius: 50%;
  color: rgba(255,255,255,0.7);
  animation: bounce 2s infinite;
  transition: all var(--transition);
}

.hero__scroll a:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(8px); }
}

/* ==========================================
   WHO WE ARE
   ========================================== */
.about { background: var(--color-white); }

.about__grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 64px;
  align-items: center;
}

.about__visual {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.about__card {
  padding: 28px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: flex-start;
  gap: 20px;
  transition: transform var(--transition), box-shadow var(--transition);
}

.about__card:hover {
  transform: translateX(8px);
  box-shadow: var(--shadow-md);
}

.about__card i {
  font-size: 2rem;
  flex-shrink: 0;
  margin-top: 2px;
}

.about__card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.about__card p { font-size: 0.9rem; }

.about__card--main {
  background: var(--color-primary);
  color: var(--color-white);
}
.about__card--main i { color: var(--color-accent); }

.about__card--secondary {
  background: var(--color-light);
  color: var(--color-primary);
  border: 1px solid var(--color-border);
}
.about__card--secondary i { color: var(--color-secondary); }

.about__card--accent {
  background: linear-gradient(135deg, var(--color-secondary), var(--color-accent));
  color: var(--color-white);
}
.about__card--accent i { color: rgba(255,255,255,0.85); }

.about__content p {
  margin-bottom: 16px;
  color: var(--color-muted);
  font-size: 1.02rem;
}

.about__lead {
  font-size: 1.15rem !important;
  color: var(--color-text) !important;
  font-weight: 500;
}

.about__quote {
  border-left: 4px solid var(--color-accent);
  padding: 16px 24px;
  margin: 24px 0;
  background: var(--color-light);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-style: italic;
  color: var(--color-primary) !important;
  font-size: 1rem !important;
  font-weight: 500;
}

/* ==========================================
   PHILOSOPHY
   ========================================== */
.philosophy { background: linear-gradient(180deg, #f4f8fe 0%, #ffffff 100%); }

.philosophy__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 28px;
}

.philosophy__card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  text-align: center;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.philosophy__card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-secondary), var(--color-accent));
  transform: scaleX(0);
  transition: transform var(--transition);
}

.philosophy__card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.philosophy__card:hover::before { transform: scaleX(1); }

.philosophy__icon {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: var(--color-light);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
  transition: all var(--transition);
}

.philosophy__icon i {
  font-size: 1.7rem;
  color: var(--color-secondary);
  transition: all var(--transition);
}

.philosophy__card:hover .philosophy__icon {
  background: var(--color-secondary);
}

.philosophy__card:hover .philosophy__icon i {
  color: var(--color-white);
}

.philosophy__card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 16px;
}

.philosophy__card p {
  color: var(--color-muted);
  font-size: 0.93rem;
  line-height: 1.75;
}

/* ==========================================
   SERVICES
   ========================================== */
.services { background: var(--color-white); }

.services__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.service-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 40px;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.service-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  opacity: 0;
  transition: opacity var(--transition);
  z-index: 0;
  border-radius: var(--radius-lg);
}

.service-card > * { position: relative; z-index: 1; }

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.service-card:hover::after { opacity: 1; }

.service-card:hover h3,
.service-card:hover p,
.service-card:hover .service-card__link {
  color: var(--color-white);
}

.service-card:hover .service-card__icon {
  background: rgba(255,255,255,0.15);
}

.service-card:hover .service-card__icon i {
  color: var(--color-white);
}

.service-card__icon {
  width: 60px;
  height: 60px;
  border-radius: var(--radius-md);
  background: var(--color-light);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  transition: all var(--transition);
}

.service-card__icon i {
  font-size: 1.5rem;
  color: var(--color-secondary);
  transition: all var(--transition);
}

.service-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 14px;
  line-height: 1.3;
  transition: color var(--transition);
}

.service-card p {
  color: var(--color-muted);
  font-size: 0.92rem;
  line-height: 1.75;
  margin-bottom: 20px;
  transition: color var(--transition);
}

.service-card__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--color-secondary);
  font-size: 0.88rem;
  font-weight: 600;
  transition: all var(--transition);
}

.service-card__link i { font-size: 0.75rem; transition: transform var(--transition); }
.service-card__link:hover i { transform: translateX(4px); }

.service-card--wide { grid-column: 1 / -1; }

/* ==========================================
   CONTACT
   ========================================== */
.contact {
  background: linear-gradient(180deg, #f4f8fe 0%, #e8f2ff 100%);
}

.contact__grid {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 48px;
  align-items: start;
}

.contact__info {
  background: var(--color-primary);
  color: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
}

.contact__info-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  margin-bottom: 28px;
  padding-bottom: 28px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.contact__info-item:last-of-type {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.contact__info-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: rgba(59, 158, 255, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact__info-icon i { color: var(--color-accent); font-size: 1.1rem; }

.contact__info-item h4 {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: rgba(255,255,255,0.55);
  margin-bottom: 4px;
}

.contact__info-item p { color: rgba(255,255,255,0.9); font-size: 0.95rem; }

.contact__wa-link {
  color: var(--color-whatsapp);
  font-weight: 600;
  font-size: 0.95rem;
  transition: opacity var(--transition);
}
.contact__wa-link:hover { opacity: 0.8; }

.contact__social { margin-top: 28px; padding-top: 28px; border-top: 1px solid rgba(255,255,255,0.1); }

.contact__social h4 {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: rgba(255,255,255,0.55);
  margin-bottom: 16px;
}

.contact__social-links { display: flex; gap: 12px; }

/* Social icons */
.social-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255,255,255,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.8);
  font-size: 0.9rem;
  transition: all var(--transition);
}
.social-icon:hover { transform: translateY(-3px); }
.social-icon--linkedin:hover  { background: #0077b5; color: #fff; }
.social-icon--instagram:hover { background: linear-gradient(45deg,#f09433,#e6683c,#dc2743,#cc2366,#bc1888); color: #fff; }
.social-icon--facebook:hover  { background: #1877f2; color: #fff; }
.social-icon--twitter:hover   { background: #000; color: #fff; }
.social-icon--whatsapp        { background: var(--color-whatsapp) !important; color: #fff !important; }
.social-icon--whatsapp:hover  { background: #1ebe5d !important; }

/* Contact Form */
.contact__form {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 48px 40px;
  box-shadow: var(--shadow-md);
}

.form__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form__group {
  display: flex;
  flex-direction: column;
  margin-bottom: 20px;
}

.form__group label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 8px;
  letter-spacing: 0.3px;
}

.required { color: var(--color-error); }

.form__group input,
.form__group select,
.form__group textarea {
  padding: 13px 16px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.93rem;
  color: var(--color-text);
  background: var(--color-white);
  transition: all var(--transition);
  outline: none;
}

.form__group input:focus,
.form__group select:focus,
.form__group textarea:focus {
  border-color: var(--color-secondary);
  box-shadow: 0 0 0 3px rgba(26, 95, 168, 0.1);
}

.form__group input.error,
.form__group textarea.error { border-color: var(--color-error); }

.form__group textarea { resize: vertical; min-height: 130px; }

.form__group select { cursor: pointer; }

.form__response {
  margin-top: 16px;
  padding: 14px 20px;
  border-radius: var(--radius-sm);
  font-size: 0.93rem;
  font-weight: 500;
  display: none;
}

.form__response.success {
  display: block;
  background: #e8f8ef;
  color: var(--color-success);
  border: 1px solid #a8e6c0;
}

.form__response.error {
  display: block;
  background: #fef0ef;
  color: var(--color-error);
  border: 1px solid #f5b0aa;
}

#submit-btn:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}

/* ==========================================
   FOOTER
   ========================================== */
.footer {
  background: var(--color-dark);
  color: rgba(255,255,255,0.8);
  padding: 80px 0 0;
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 48px;
  padding-bottom: 60px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer__brand .logo-blue,
.footer__brand .logo-nimble {
  font-size: 1.8rem;
}

.footer__brand p {
  margin-top: 16px;
  font-size: 0.88rem;
  line-height: 1.8;
  color: rgba(255,255,255,0.55);
  max-width: 280px;
}

.footer__social {
  display: flex;
  gap: 10px;
  margin-top: 24px;
  flex-wrap: wrap;
}

.footer__links h4 {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: rgba(255,255,255,0.9);
  margin-bottom: 20px;
}

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

.footer__links a {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.55);
  transition: color var(--transition);
}
.footer__links a:hover { color: var(--color-accent); }

.footer__cta h4 {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: rgba(255,255,255,0.9);
  margin-bottom: 12px;
}

.footer__cta p {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.55);
  line-height: 1.7;
  margin-bottom: 20px;
}

.footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 0;
  flex-wrap: wrap;
  gap: 12px;
}

.footer__bottom p {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.35);
}

/* ==========================================
   FLOATING WHATSAPP BUTTON
   ========================================== */
.whatsapp-float {
  position: fixed;
  bottom: 80px;
  right: 28px;
  z-index: 999;
  width: 56px;
  height: 56px;
  background: var(--color-whatsapp);
  color: var(--color-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  box-shadow: 0 6px 24px rgba(37, 211, 102, 0.45);
  transition: all var(--transition);
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 10px 32px rgba(37, 211, 102, 0.6);
  color: var(--color-white);
}

/* Pulse animation */
.whatsapp-float::before {
  content: '';
  position: absolute;
  inset: -6px;
  border-radius: 50%;
  border: 2px solid var(--color-whatsapp);
  animation: pulse-ring 2.5s infinite;
  opacity: 0;
}

@keyframes pulse-ring {
  0%   { transform: scale(0.9); opacity: 0.8; }
  100% { transform: scale(1.4); opacity: 0; }
}

/* ==========================================
   BACK TO TOP
   ========================================== */
.back-to-top {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 999;
  width: 44px;
  height: 44px;
  background: var(--color-primary);
  color: var(--color-white);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  box-shadow: var(--shadow-md);
  opacity: 0;
  pointer-events: none;
  transform: translateY(16px);
  transition: all var(--transition);
}

.back-to-top.visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.back-to-top:hover {
  background: var(--color-secondary);
  transform: translateY(-3px);
}

/* ==========================================
   SCROLL REVEAL ANIMATIONS
   ========================================== */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* ==========================================
   RESPONSIVE
   ========================================== */
@media (max-width: 1024px) {
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .footer__brand { grid-column: 1 / -1; }
  .contact__grid { grid-template-columns: 1fr; }
  .contact__info { display: grid; grid-template-columns: 1fr 1fr; gap: 0; }
  .about__grid { gap: 40px; }
}

@media (max-width: 768px) {
  .section { padding: 72px 0; }

  .about__grid { grid-template-columns: 1fr; }
  .about__visual { order: 2; }
  .about__content { order: 1; }

  .services__grid { grid-template-columns: 1fr; }
  .service-card--wide { grid-column: auto; }

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

  .contact__info {
    display: flex;
    flex-direction: column;
  }

  .footer__grid { grid-template-columns: 1fr; gap: 32px; }

  .footer__bottom { flex-direction: column; text-align: center; }

  .contact__form { padding: 32px 24px; }

  .hero__title { font-size: clamp(2rem, 8vw, 3.5rem); }

  .hero__stats { gap: 24px; }
}

@media (max-width: 480px) {
  .hero__actions { flex-direction: column; }
  .hero__actions .btn { width: 100%; justify-content: center; }
  .philosophy__grid { grid-template-columns: 1fr; }
}