/* =============================================
   ÇAYTAŞ NAKLİYAT — style.css
   ============================================= */

@import url('https://fonts.googleapis.com/css2?family=Barlow+Condensed:wght@500;700;800&family=Barlow:wght@300;400;500;600&display=swap');

/* ── VARIABLES ── */
:root {
  --navy:        #091525;
  --navy-mid:    #0f2342;
  --navy-light:  #163562;
  --blue:        #1a56b0;
  --blue-light:  #2472d4;
  --accent:      #f0a500;
  --accent-dark: #c98900;
  --gray-dark:   #273444;
  --gray-mid:    #556070;
  --gray-light:  #8898aa;
  --silver:      #cdd8e3;
  --white:       #ffffff;
  --bg-light:    #f3f6fb;
  --bg-section:  #fafcff;
  --shadow-sm:   0 2px 10px rgba(9,21,37,.07);
  --shadow-md:   0 8px 30px rgba(9,21,37,.13);
  --shadow-lg:   0 20px 60px rgba(9,21,37,.2);
  --radius:      6px;
  --radius-lg:   12px;
  --tr:          .3s cubic-bezier(.4,0,.2,1);
}

/* ── RESET ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body { font-family: 'Barlow', sans-serif; color: var(--gray-dark); background: var(--white); line-height: 1.65; overflow-x: hidden; }
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; }

/* ── CONTAINER ── */
.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ── TYPOGRAPHY ── */
.section-badge {
  display: inline-block;
  font-family: 'Barlow Condensed', sans-serif;
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}
.section-title {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: clamp(1.9rem, 4vw, 2.7rem);
  font-weight: 800;
  line-height: 1.15;
  color: var(--navy);
  margin-bottom: 18px;
}
.section-title.white { color: var(--white); }
.section-desc { font-size: 1.05rem; color: var(--gray-mid); max-width: 640px; }
.section-desc.white-desc { color: var(--silver); }
.text-accent { color: var(--accent); }
.section-head { margin-bottom: 52px; }
.section-head.center { text-align: center; }
.section-head.center .section-desc { margin: 0 auto; }
.section { padding: 90px 0; }
.section-dark { background: var(--navy-mid); }

/* ── BUTTONS ── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  background: var(--accent);
  color: var(--navy);
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: .5px;
  padding: 14px 28px;
  border-radius: var(--radius);
  transition: var(--tr);
  white-space: nowrap;
}
.btn-primary:hover { background: var(--accent-dark); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(240,165,0,.35); }
.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  background: transparent;
  color: var(--white);
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 1rem;
  font-weight: 700;
  padding: 13px 28px;
  border-radius: var(--radius);
  border: 2px solid rgba(255,255,255,.45);
  transition: var(--tr);
}
.btn-outline:hover { background: rgba(255,255,255,.12); border-color: var(--white); }
.btn-whatsapp {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  background: #25d366;
  color: #fff;
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 1rem;
  font-weight: 700;
  padding: 14px 24px;
  border-radius: var(--radius);
  transition: var(--tr);
}
.btn-whatsapp:hover { background: #1db954; transform: translateY(-2px); }
.btn-full { width: 100%; justify-content: center; }

/* ── HEADER ── */
#header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 0;
  background: transparent;
  transition: background var(--tr), box-shadow var(--tr), padding var(--tr);
}
#header.scrolled {
  background: var(--navy);
  box-shadow: 0 2px 24px rgba(9,21,37,.3);
}
.header-inner {
  display: flex;
  align-items: center;
  gap: 24px;
  height: 76px;
}
.logo { display: flex; align-items: center; gap: 12px; }
.logo-img {
  height: 56px;
  width: auto;
  object-fit: contain;
  filter: brightness(1.1);
  border-radius: 8px;
}
.logo-icon {
  width: 42px; height: 42px;
  background: var(--accent);
  color: var(--navy);
  display: flex; align-items: center; justify-content: center;
  border-radius: var(--radius);
  font-size: 1.1rem;
  flex-shrink: 0;
}
.logo-text { display: flex; flex-direction: column; line-height: 1; }
.logo-main {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--white);
  letter-spacing: 1px;
}
.logo-sub {
  font-size: .65rem;
  font-weight: 600;
  letter-spacing: 3px;
  color: var(--accent);
  text-transform: uppercase;
}
.nav-list { display: flex; align-items: center; gap: 6px; margin-left: auto; }
.nav-link {
  font-size: .92rem;
  font-weight: 500;
  color: rgba(255,255,255,.82);
  padding: 8px 12px;
  border-radius: var(--radius);
  transition: var(--tr);
}
.nav-link:hover, .nav-link.active { color: var(--accent); }
.header-cta { margin-left: 18px; padding: 11px 22px; font-size: .92rem; }
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  margin-left: auto;
  padding: 6px;
}
.hamburger span {
  display: block;
  width: 24px; height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: var(--tr);
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── HERO ── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-mid) 50%, var(--navy-light) 100%);
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: 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='0.025'%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-shapes { position: absolute; inset: 0; pointer-events: none; }
.shape {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: .18;
}
.shape-1 { width: 500px; height: 500px; background: var(--blue-light); top: -150px; right: -100px; animation: float1 8s ease-in-out infinite; }
.shape-2 { width: 350px; height: 350px; background: var(--accent); bottom: -100px; left: -80px; animation: float2 10s ease-in-out infinite; }
.shape-3 { width: 250px; height: 250px; background: var(--blue); top: 40%; left: 40%; animation: float1 12s ease-in-out infinite reverse; }
@keyframes float1 { 0%,100%{transform:translateY(0) scale(1)} 50%{transform:translateY(-30px) scale(1.05)} }
@keyframes float2 { 0%,100%{transform:translateY(0) scale(1)} 50%{transform:translateY(25px) scale(.96)} }

.hero-content {
  position: relative;
  z-index: 2;
  padding-top: 76px;
  max-width: 720px;
  animation: heroIn .9s ease both;
}
@keyframes heroIn { from{opacity:0;transform:translateY(40px)} to{opacity:1;transform:none} }

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(240,165,0,.15);
  border: 1px solid rgba(240,165,0,.35);
  color: var(--accent);
  font-size: .82rem;
  font-weight: 600;
  letter-spacing: 1px;
  padding: 7px 16px;
  border-radius: 100px;
  margin-bottom: 24px;
}
.hero-title {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: clamp(2.8rem, 6.5vw, 5rem);
  font-weight: 800;
  line-height: 1.08;
  color: var(--white);
  margin-bottom: 22px;
  text-shadow: 0 4px 24px rgba(0,0,0,.3);
}
.hero-accent { color: var(--accent); }
.hero-desc {
  font-size: 1.12rem;
  color: rgba(255,255,255,.78);
  max-width: 560px;
  margin-bottom: 36px;
}
.hero-btns { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 52px; }
.hero-stats {
  display: flex;
  align-items: center;
  gap: 0;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--radius-lg);
  padding: 20px 32px;
  backdrop-filter: blur(12px);
  width: fit-content;
}
.stat { text-align: center; padding: 0 28px; }
.stat strong { display: block; font-family: 'Barlow Condensed', sans-serif; font-size: 2.2rem; font-weight: 800; color: var(--accent); line-height: 1; }
.stat span { font-size: .82rem; color: rgba(255,255,255,.65); font-weight: 500; }
.stat-divider { width: 1px; height: 44px; background: rgba(255,255,255,.15); }
.hero-scroll {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  color: rgba(255,255,255,.5);
  font-size: 1.1rem;
  animation: bounce 2s infinite;
  z-index: 2;
}
@keyframes bounce { 0%,100%{transform:translateX(-50%) translateY(0)} 50%{transform:translateX(-50%) translateY(8px)} }

/* ── ABOUT ── */
.about { background: var(--bg-section); }
.about-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 64px; align-items: center; }
.about-img-wrapper {
  position: relative;
  background: linear-gradient(135deg, var(--navy-mid), var(--navy-light));
  border-radius: var(--radius-lg);
  aspect-ratio: 4/3;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: visible;
  box-shadow: var(--shadow-lg);
}
.about-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  border-radius: var(--radius-lg);
  padding: 20px;
}
.about-img-placeholder {
  font-size: 7rem;
  color: rgba(255,255,255,.12);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.about-badge-float {
  position: absolute;
  bottom: -20px;
  right: -20px;
  background: var(--accent);
  color: var(--navy);
  border-radius: var(--radius-lg);
  padding: 18px 22px;
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  font-size: .85rem;
  line-height: 1.3;
  box-shadow: 0 8px 30px rgba(240,165,0,.4);
}
.about-badge-float i { font-size: 1.6rem; }
.about-numbers {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 36px;
}
.anumber {
  background: var(--white);
  border: 1px solid var(--silver);
  border-radius: var(--radius);
  padding: 20px;
  text-align: center;
  box-shadow: var(--shadow-sm);
}
.anumber strong {
  display: block;
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 2rem;
  font-weight: 800;
  color: var(--blue);
}
.anumber span { font-size: .82rem; color: var(--gray-mid); }
.about-text p { margin-bottom: 16px; color: var(--gray-mid); font-size: 1.02rem; }
.about-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin: 24px 0 32px;
}
.af-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  font-size: .93rem;
  color: var(--gray-dark);
}
.af-item i { color: var(--accent); font-size: .9rem; }

/* ── GALLERY ── */
.gallery { background: var(--white); }
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.gallery-item {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4/3;
  box-shadow: var(--shadow-md);
  transition: var(--tr);
  border: 1px solid var(--silver);
}
.gallery-item:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--accent);
}
.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--tr);
}
.gallery-item:hover img {
  transform: scale(1.05);
}

/* ── SERVICES ── */
.services { background: var(--navy-mid); }
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
}
.service-card {
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: var(--radius-lg);
  padding: 30px 26px;
  transition: var(--tr);
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: var(--tr);
}
.service-card:hover { background: rgba(255,255,255,.07); border-color: rgba(240,165,0,.25); transform: translateY(-4px); box-shadow: 0 12px 40px rgba(0,0,0,.3); }
.service-card:hover::before { transform: scaleX(1); }
.sc-icon {
  width: 52px; height: 52px;
  background: rgba(240,165,0,.15);
  border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem;
  color: var(--accent);
  margin-bottom: 18px;
}
.service-card h3 {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 10px;
}
.service-card p { font-size: .91rem; color: var(--silver); line-height: 1.6; margin-bottom: 16px; }
.sc-tag {
  display: inline-block;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--accent);
  background: rgba(240,165,0,.1);
  border: 1px solid rgba(240,165,0,.2);
  padding: 4px 10px;
  border-radius: 100px;
}

/* ── WHY US ── */
.why { background: var(--bg-light); }
.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.why-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--silver);
  transition: var(--tr);
}
.why-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); border-color: var(--accent); }
.why-icon {
  width: 56px; height: 56px;
  background: linear-gradient(135deg, var(--navy-mid), var(--navy-light));
  color: var(--accent);
  border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem;
  margin-bottom: 20px;
}
.why-card h3 {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 10px;
}
.why-card p { font-size: .93rem; color: var(--gray-mid); }
.why-card-cta {
  background: linear-gradient(135deg, var(--navy-mid), var(--navy-light));
  border-color: transparent;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}
.why-card-cta h3, .why-card-cta p { color: var(--white); }
.why-card-cta p { color: rgba(255,255,255,.7); margin-bottom: 20px; }
.why-cta-icon { font-size: 2.5rem; color: var(--accent); margin-bottom: 16px; }
.why-card-cta:hover { border-color: transparent; }

/* ── REFERENCES ── */
.references { background: var(--navy); }
.refs-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 32px;
}
.ref-card {
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: var(--radius-lg);
  padding: 28px 20px;
  text-align: center;
  transition: var(--tr);
}
.ref-card:hover { background: rgba(255,255,255,.07); border-color: rgba(240,165,0,.3); }
.ref-card i { font-size: 1.8rem; color: var(--accent); display: block; margin-bottom: 12px; }
.ref-card span { font-size: .93rem; color: var(--silver); font-weight: 500; }
.refs-note {
  text-align: center;
  color: rgba(255,255,255,.4);
  font-size: .88rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

/* ── CONTACT ── */
.contact { background: var(--bg-section); }
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}
.contact-map { grid-column: 1 / -1; border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-md); border: 1px solid var(--silver); }
.contact-info, .contact-form-wrap {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--silver);
}
.contact-info h3, .contact-form-wrap h3 {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 24px;
  padding-bottom: 14px;
  border-bottom: 2px solid var(--bg-light);
}
.ci-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid var(--bg-light);
  transition: var(--tr);
}
.ci-item:last-of-type { border-bottom: none; }
a.ci-item:hover { color: var(--blue); }
a.ci-item:hover .ci-icon { background: var(--blue); }
.ci-icon {
  width: 40px; height: 40px;
  background: var(--navy-mid);
  color: var(--accent);
  border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  font-size: .95rem;
  flex-shrink: 0;
  transition: var(--tr);
}
.ci-icon.insta { background: linear-gradient(135deg, #f09433, #e6683c, #dc2743, #cc2366, #bc1888); color: #fff; }
.ci-text { display: flex; flex-direction: column; }
.ci-text span { font-size: .78rem; color: var(--gray-light); font-weight: 500; }
.ci-text strong { font-size: .95rem; color: var(--navy); font-weight: 600; word-break: break-word; }
.social-btns { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 24px; }

/* Form */
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-size: .85rem; font-weight: 600; color: var(--gray-dark); margin-bottom: 7px; }
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--silver);
  border-radius: var(--radius);
  font-family: 'Barlow', sans-serif;
  font-size: .95rem;
  color: var(--gray-dark);
  background: var(--bg-light);
  transition: var(--tr);
  outline: none;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus { border-color: var(--blue); background: var(--white); box-shadow: 0 0 0 3px rgba(26,86,176,.1); }
.form-group textarea { resize: vertical; min-height: 110px; }
.form-msg { margin-top: 14px; padding: 12px 16px; border-radius: var(--radius); font-size: .92rem; font-weight: 600; display: none; }
.form-msg.success { display: block; background: #e6f9f0; color: #1a7f4b; border: 1px solid #a3e0c0; }
.form-msg.error { display: block; background: #fef0f0; color: #c0392b; border: 1px solid #f5b7b1; }

/* ── FOOTER ── */
.footer { background: var(--navy); color: var(--silver); }
.footer-top { padding: 64px 0 48px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 40px; }
.footer-brand .logo { margin-bottom: 16px; }
.footer-brand p { font-size: .9rem; color: rgba(255,255,255,.5); line-height: 1.7; margin-bottom: 20px; }
.footer-socials { display: flex; gap: 10px; }
.footer-socials a {
  width: 36px; height: 36px;
  background: rgba(255,255,255,.07);
  border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  color: var(--silver);
  font-size: .95rem;
  transition: var(--tr);
}
.footer-socials a:hover { background: var(--accent); color: var(--navy); }
.footer-links h4, .footer-services h4, .footer-contact h4 {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 18px;
  letter-spacing: .5px;
}
.footer-links ul li, .footer-services ul li, .footer-contact ul li { margin-bottom: 10px; }
.footer-links a, .footer-services a {
  font-size: .88rem;
  color: rgba(255,255,255,.5);
  display: flex;
  align-items: center;
  gap: 7px;
  transition: var(--tr);
}
.footer-links a:hover, .footer-services a:hover { color: var(--accent); }
.footer-links i, .footer-services i { font-size: .65rem; color: var(--accent); }
.footer-contact ul li a,
.footer-contact ul li span {
  display: flex;
  align-items: flex-start;
  gap: 9px;
  font-size: .88rem;
  color: rgba(255,255,255,.5);
  transition: var(--tr);
}
.footer-contact ul li a:hover { color: var(--accent); }
.footer-contact i { color: var(--accent); margin-top: 2px; flex-shrink: 0; font-size: .88rem; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.07);
  padding: 20px 0;
}
.footer-bottom-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}
.footer-bottom p { font-size: .82rem; color: rgba(255,255,255,.3); }

/* ── WHATSAPP FLOAT ── */
.whatsapp-float {
  position: fixed;
  bottom: 30px;
  right: 30px;
  z-index: 999;
  width: 58px; height: 58px;
  background: #25d366;
  color: #fff;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.7rem;
  box-shadow: 0 6px 24px rgba(37,211,102,.45);
  transition: var(--tr);
}
.whatsapp-float:hover { background: #1db954; transform: scale(1.1); }
.whatsapp-float:hover .wa-tooltip { opacity: 1; transform: translateY(-50%) translateX(-8px); pointer-events: auto; }
.wa-tooltip {
  position: absolute;
  right: calc(100% + 12px);
  top: 50%;
  transform: translateY(-50%) translateX(0);
  background: var(--navy);
  color: var(--white);
  font-size: .82rem;
  font-weight: 600;
  padding: 7px 12px;
  border-radius: var(--radius);
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: var(--tr);
}
.wa-tooltip::after {
  content: '';
  position: absolute;
  left: 100%;
  top: 50%;
  transform: translateY(-50%);
  border: 6px solid transparent;
  border-left-color: var(--navy);
}

/* ── BACK TO TOP ── */
.back-to-top {
  position: fixed;
  bottom: 96px;
  right: 30px;
  z-index: 998;
  width: 42px; height: 42px;
  background: var(--navy-light);
  color: var(--white);
  border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem;
  box-shadow: var(--shadow-md);
  opacity: 0;
  pointer-events: none;
  transform: translateY(10px);
  transition: var(--tr);
}
.back-to-top.visible { opacity: 1; pointer-events: auto; transform: none; }
.back-to-top:hover { background: var(--accent); color: var(--navy); }

/* ── FADE IN ANIMATION ── */
.fade-in {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .65s ease, transform .65s ease;
}
.fade-in.visible { opacity: 1; transform: none; }

/* ── RESPONSIVE ── */
@media (max-width: 1024px) {
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .about-grid { grid-template-columns: 1fr; }
  .about-visual { display: none; }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .section { padding: 64px 0; }
  #nav {
    position: fixed;
    top: 76px; left: 0; right: 0;
    background: var(--navy);
    padding: 20px 24px 28px;
    transform: translateY(-110%);
    opacity: 0;
    transition: var(--tr);
    box-shadow: 0 8px 30px rgba(0,0,0,.4);
  }
  #nav.open { transform: none; opacity: 1; }
  .nav-list { flex-direction: column; align-items: flex-start; gap: 4px; }
  .nav-link { width: 100%; display: block; padding: 12px 14px; }
  .header-cta { display: none; }
  .hamburger { display: flex; }
  .hero-title { font-size: clamp(2.2rem, 8vw, 3.2rem); }
  .hero-stats { flex-direction: column; gap: 0; padding: 20px; }
  .stat { padding: 14px 20px; }
  .stat-divider { width: 80px; height: 1px; }
  .contact-grid { grid-template-columns: 1fr; }
  .contact-map { grid-column: auto; }
  .why-grid { grid-template-columns: 1fr; }
  .refs-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom-inner { flex-direction: column; text-align: center; }
  .about-features { grid-template-columns: 1fr; }
  .services-grid { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .hero-btns { flex-direction: column; }
  .hero-btns .btn-primary, .hero-btns .btn-outline { justify-content: center; }
  .refs-grid { grid-template-columns: 1fr; }
  .contact-info, .contact-form-wrap { padding: 24px 20px; }
  .social-btns { flex-direction: column; }
  .social-btns .btn-whatsapp, .social-btns .btn-primary { justify-content: center; }
  .footer-socials { flex-wrap: wrap; }
  .whatsapp-float { bottom: 20px; right: 20px; width: 52px; height: 52px; font-size: 1.5rem; }
  .back-to-top { bottom: 82px; right: 20px; }
}