/* ════════════════════════════════════════
   DR. AHMED MAZEN — WEBSITE STYLES
   Theme: Luxury Black & Gold | Bilingual AR/EN
   ════════════════════════════════════════ */

/* ── CSS Variables ── */
:root {
  --black:       #0A0A0A;
  --dark:        #111111;
  --dark-2:      #1A1A1A;
  --dark-3:      #222222;
  --gold:        #C9A84C;
  --gold-light:  #E8C97A;
  --gold-dim:    #8A6F2E;
  --off-white:   #F5F0E8;
  --white:       #FFFFFF;
  --gray:        #888888;
  --gray-light:  #BBBBBB;

  --font-ar: 'Cairo', sans-serif;
  --font-en: 'Montserrat', sans-serif;
  --font-serif: 'Playfair Display', serif;

  --radius:    8px;
  --radius-lg: 16px;
  --transition: 0.3s ease;
  --shadow:    0 8px 40px rgba(0,0,0,0.4);
  --glow:      0 0 30px rgba(201,168,76,0.15);
}

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

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

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

/* Language toggling */
html[data-lang="ar"] .en-text { display: none; }
html[data-lang="en"] .ar-text { display: none; }
html[data-lang="en"] { direction: ltr; }
html[data-lang="ar"] { direction: rtl; }

img { max-width: 100%; display: block; }
a  { color: inherit; text-decoration: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* ── Typography ── */
h1, h2, h3, h4 {
  font-family: var(--font-serif);
  font-weight: 600;
  line-height: 1.3;
}
html[data-lang="ar"] h1,
html[data-lang="ar"] h2,
html[data-lang="ar"] h3 {
  font-family: var(--font-ar);
  font-weight: 700;
}

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

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: var(--radius);
  font-family: var(--font-ar);
  font-weight: 600;
  font-size: 0.95rem;
  transition: all var(--transition);
  white-space: nowrap;
}
html[data-lang="en"] .btn { font-family: var(--font-en); }

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

.btn-lg { padding: 16px 40px; font-size: 1rem; }

/* ── Section Headers ── */
.section-label {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 12px;
}
html[data-lang="ar"] .section-label { letter-spacing: 0; }

.section-header {
  text-align: center;
  margin-bottom: 60px;
}
.section-header h2 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  color: var(--off-white);
  margin-bottom: 16px;
}
.section-desc {
  color: var(--gray-light);
  font-size: 1.05rem;
  max-width: 600px;
  margin: 0 auto;
}


/* ════════════════════════════════════════
   NAVBAR
   ════════════════════════════════════════ */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 16px 0;
  transition: background var(--transition), box-shadow var(--transition);
}
.navbar.scrolled {
  background: rgba(10,10,10,0.96);
  backdrop-filter: blur(12px);
  box-shadow: 0 2px 20px rgba(0,0,0,0.5);
}
.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo img {
  height: 48px;
  width: auto;
  border-radius: 4px;
}
.nav-right {
  display: flex;
  align-items: center;
  gap: 16px;
}
.lang-toggle {
  color: var(--gold);
  border: 1px solid var(--gold-dim);
  padding: 6px 14px;
  border-radius: var(--radius);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  transition: all var(--transition);
}
.lang-toggle:hover {
  background: var(--gold);
  color: var(--black);
}
.nav-cta { padding: 10px 24px; font-size: 0.9rem; }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--off-white);
  border-radius: 2px;
  transition: all var(--transition);
}

.mobile-menu {
  display: none;
  flex-direction: column;
  background: rgba(10,10,10,0.98);
  padding: 20px 24px;
  border-top: 1px solid var(--dark-3);
}
.mobile-menu.open { display: flex; }
.mobile-link {
  padding: 12px 0;
  border-bottom: 1px solid var(--dark-3);
  font-size: 1rem;
  color: var(--off-white);
  transition: color var(--transition);
}
.mobile-link:hover { color: var(--gold); }

@media (max-width: 768px) {
  .hamburger { display: flex; }
  .nav-cta { display: none; }
}


/* ════════════════════════════════════════
   HERO
   ════════════════════════════════════════ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: var(--black);
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('../assets/hero-bg.png');
  background-size: cover;
  background-position: center;
  opacity: 0.45;
}
.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 50% 0%, rgba(201,168,76,0.15) 0%, transparent 60%),
    radial-gradient(ellipse 60% 40% at 100% 100%, rgba(201,168,76,0.1) 0%, transparent 50%);
  mix-blend-mode: overlay;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 120px 24px 80px;
  max-width: 800px;
}

.hero-logo-wrap {
  margin-bottom: 40px;
}
.hero-logo {
  width: 140px;
  height: 140px;
  object-fit: cover;
  margin: 0 auto;
  border-radius: 50%;
  border: 2px solid rgba(201,168,76,0.5);
  box-shadow: var(--glow);
}
.hero-doctor-name {
  color: var(--gold);
  font-size: 1.3rem;
  font-weight: 600;
  margin-top: 16px;
  letter-spacing: 0.05em;
  font-family: var(--font-serif);
}
html[data-lang="ar"] .hero-doctor-name {
  font-family: var(--font-ar);
  letter-spacing: 0;
}

.hero-divider {
  width: 60px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  margin: 0 auto 32px;
}

.hero-title {
  font-size: clamp(2.4rem, 6vw, 4rem);
  font-family: var(--font-serif);
  color: var(--off-white);
  margin-bottom: 16px;
  letter-spacing: 0.01em;
}
html[data-lang="ar"] .hero-title { font-family: var(--font-ar); font-weight: 700; }

.hero-sub {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--gold);
  letter-spacing: 0.15em;
  margin-bottom: 48px;
  font-weight: 500;
}
html[data-lang="ar"] .hero-sub { letter-spacing: 0; }

.hero-ctas {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.scroll-down {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  color: var(--gold-dim);
  animation: bounce 2s infinite;
  z-index: 2;
}
@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50%       { transform: translateX(-50%) translateY(8px); }
}


/* ════════════════════════════════════════
   PHILOSOPHY
   ════════════════════════════════════════ */
.philosophy {
  padding: 80px 0;
  background: var(--dark-2);
  border-top: 1px solid rgba(201,168,76,0.12);
  border-bottom: 1px solid rgba(201,168,76,0.12);
}

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

.philosophy-item {
  text-align: center;
  padding: 40px 24px;
  border: 1px solid var(--dark-3);
  border-radius: var(--radius-lg);
  background: var(--dark);
  transition: all var(--transition);
}
.philosophy-item:hover {
  border-color: rgba(201,168,76,0.3);
  box-shadow: var(--glow);
  transform: translateY(-4px);
}

.philosophy-icon {
  width: 60px;
  height: 60px;
  color: var(--gold);
  margin: 0 auto 20px;
}
.philosophy-icon svg { width: 100%; height: 100%; }

.philosophy-item h3 {
  font-size: 1.2rem;
  color: var(--gold);
  margin-bottom: 12px;
}
.philosophy-item p {
  color: var(--gray-light);
  font-size: 0.95rem;
  line-height: 1.7;
}

@media (max-width: 768px) {
  .philosophy-grid { grid-template-columns: 1fr; gap: 20px; }
}


/* ════════════════════════════════════════
   FEATURED VIDEO
   ════════════════════════════════════════ */
.featured-video {
  padding: 100px 0;
  background: var(--dark-2);
}
.video-wrapper {
  position: relative;
  width: 100%;
  max-width: 900px;
  margin: 0 auto;
  padding-bottom: 56.25%; /* 16:9 Aspect Ratio */
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid rgba(201,168,76,0.2);
  box-shadow: 0 10px 40px rgba(0,0,0,0.5);
}
.video-wrapper iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

/* ════════════════════════════════════════
   SERVICES
   ════════════════════════════════════════ */
.services {
  padding: 100px 0;
  background: var(--black);
}

.services-tabs {
  display: flex;
  gap: 8px;
  justify-content: center;
  margin-bottom: 48px;
  flex-wrap: wrap;
}
.tab-btn {
  padding: 10px 28px;
  border-radius: 100px;
  border: 1.5px solid var(--dark-3);
  color: var(--gray);
  font-size: 0.9rem;
  font-weight: 600;
  transition: all var(--transition);
}
.tab-btn.active,
.tab-btn:hover {
  border-color: var(--gold);
  color: var(--gold);
  background: rgba(201,168,76,0.07);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.tab-content { display: none; }
.tab-content.active { display: grid; }

.service-card {
  background: var(--dark-2);
  border: 1px solid var(--dark-3);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--gold);
  transform: scaleX(0);
  transition: transform var(--transition);
}
.service-card:hover {
  border-color: rgba(201,168,76,0.25);
  transform: translateY(-4px);
  box-shadow: var(--glow);
}
.service-card:hover::before { transform: scaleX(1); }

.service-icon {
  font-size: 1.4rem;
  color: var(--gold);
  margin-bottom: 16px;
  display: block;
}
.service-card h3 {
  font-family: var(--font-ar);
  font-size: 1rem;
  font-weight: 700;
  color: var(--off-white);
  margin-bottom: 10px;
}
html[data-lang="en"] .service-card h3 { font-family: var(--font-en); font-size: 0.9rem; }
.service-card p {
  color: var(--gray);
  font-size: 0.87rem;
  line-height: 1.6;
}

a.service-card {
  color: inherit;
  text-decoration: none;
  display: block;
}

@media (max-width: 1024px) {
  .services-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 768px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 480px) {
  .services-grid { grid-template-columns: 1fr; }
}


/* ════════════════════════════════════════
   BEFORE & AFTER GALLERY
   ════════════════════════════════════════ */
.results {
  padding: 100px 0;
  background: var(--dark-2);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-bottom: 48px;
}

.gallery-item {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  cursor: pointer;
  aspect-ratio: 1/1;
  background: var(--dark-3);
}
.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.gallery-item:hover img { transform: scale(1.05); }

.gallery-item-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
}
.gallery-item:hover .gallery-item-overlay {
  background: rgba(0,0,0,0.45);
}
.gallery-item-overlay svg {
  color: var(--gold);
  opacity: 0;
  transform: scale(0.8);
  transition: all var(--transition);
}
.gallery-item:hover .gallery-item-overlay svg {
  opacity: 1;
  transform: scale(1);
}

.gallery-more { text-align: center; }

/* Lightbox */
.lightbox {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.95);
  z-index: 2000;
  align-items: center;
  justify-content: center;
}
.lightbox.open { display: flex; }

.lightbox-img-wrap {
  max-width: 90vw;
  max-height: 90vh;
}
.lightbox-img-wrap img {
  max-width: 100%;
  max-height: 90vh;
  object-fit: contain;
  border-radius: var(--radius);
}

.lightbox-close,
.lightbox-prev,
.lightbox-next {
  position: absolute;
  background: rgba(201,168,76,0.15);
  color: var(--gold);
  border: 1px solid rgba(201,168,76,0.3);
  border-radius: 50%;
  width: 44px;
  height: 44px;
  font-size: 1.4rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
  line-height: 1;
}
.lightbox-close:hover,
.lightbox-prev:hover,
.lightbox-next:hover {
  background: var(--gold);
  color: var(--black);
}
.lightbox-close { top: 24px; right: 24px; font-size: 1rem; }
.lightbox-prev  { left: 24px; top: 50%; transform: translateY(-50%); }
.lightbox-next  { right: 24px; top: 50%; transform: translateY(-50%); }

@media (max-width: 1024px) {
  .gallery-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 640px) {
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
}


/* ════════════════════════════════════════
   ABOUT
   ════════════════════════════════════════ */
.about {
  padding: 100px 0;
  background: var(--black);
}
.about-grid {
  display: grid;
  grid-template-columns: 380px 1fr;
  gap: 80px;
  align-items: center;
}
html[data-lang="en"] .about-grid { direction: ltr; }

.about-img-col { position: relative; }
.about-img-frame {
  position: relative;
}
.about-img-placeholder {
  background: var(--dark-2);
  border: 1px solid rgba(201,168,76,0.2);
  border-radius: var(--radius-lg);
  padding: 48px 32px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}
.about-logo-placeholder {
  width: 160px;
  border-radius: var(--radius);
  margin: 0 auto;
}
.placeholder-label {
  color: var(--gold);
  font-size: 1.1rem;
  font-weight: 600;
}

/* Corner decoration */
.about-img-frame::before,
.about-img-frame::after {
  content: '';
  position: absolute;
  width: 60px;
  height: 60px;
  border-color: var(--gold-dim);
  border-style: solid;
}
.about-img-frame::before {
  top: -12px;
  right: -12px;
  border-width: 2px 2px 0 0;
  border-radius: 0 var(--radius) 0 0;
}
html[data-lang="en"] .about-img-frame::before {
  right: auto;
  left: -12px;
  border-width: 2px 0 0 2px;
  border-radius: var(--radius) 0 0 0;
}
.about-img-frame::after {
  bottom: -12px;
  left: -12px;
  border-width: 0 0 2px 2px;
  border-radius: 0 0 0 var(--radius);
}
html[data-lang="en"] .about-img-frame::after {
  left: auto;
  right: -12px;
  border-width: 0 2px 2px 0;
  border-radius: 0 0 var(--radius) 0;
}

.about-cred-badge {
  position: absolute;
  bottom: -20px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--dark-3);
  border: 1px solid rgba(201,168,76,0.3);
  border-radius: 100px;
  padding: 10px 20px;
  display: flex;
  align-items: center;
  gap: 10px;
  white-space: nowrap;
  font-size: 0.88rem;
}

.about-content-col { padding-top: 0; }
.about-content-col h2 {
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  color: var(--gold);
  margin-bottom: 4px;
}
.about-title-sub {
  font-size: 1.1rem;
  color: var(--gray-light);
  font-family: var(--font-ar);
  font-weight: 400;
  margin-bottom: 28px;
}
html[data-lang="en"] .about-title-sub { font-family: var(--font-en); }

.about-bio {
  color: var(--gray-light);
  font-size: 1rem;
  line-height: 1.9;
  margin-bottom: 32px;
}

.about-memberships { margin-bottom: 32px; }
.membership-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--dark-3);
  font-size: 0.92rem;
  color: var(--off-white);
}
.membership-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--gold);
  flex-shrink: 0;
}

.press-section {
  margin-top: 24px;
}
.press-label {
  display: block;
  color: var(--gray);
  font-size: 0.88rem;
  margin-bottom: 16px;
}
.press-cards {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.press-card {
  display: block;
  background: var(--dark-2);
  border: 1px solid rgba(201,168,76,0.15);
  padding: 16px;
  border-radius: var(--radius);
  transition: all var(--transition);
  text-decoration: none;
}
.press-card:hover {
  background: var(--dark-3);
  border-color: rgba(201,168,76,0.4);
  transform: translateY(-2px);
}
.press-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}
.press-badge {
  background: rgba(201,168,76,0.1);
  color: var(--gold);
  padding: 4px 12px;
  border-radius: 100px;
  font-size: 0.78rem;
  font-weight: 600;
}
.press-icon {
  color: var(--gold-dim);
  font-size: 1.1rem;
  transition: color var(--transition);
}
.press-card:hover .press-icon {
  color: var(--gold);
}
.press-brief {
  color: var(--gray-light);
  font-size: 0.88rem;
  line-height: 1.7;
}

@media (max-width: 1024px) {
  .about-grid {
    grid-template-columns: 1fr;
    gap: 60px;
  }
  .about-img-col { max-width: 360px; margin: 0 auto; }
}


/* ════════════════════════════════════════
   SOCIAL PROOF STRIP
   ════════════════════════════════════════ */
.social-proof {
  padding: 60px 0;
  background: var(--dark-2);
  border-top: 1px solid rgba(201,168,76,0.1);
  border-bottom: 1px solid rgba(201,168,76,0.1);
}
.social-proof-grid {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  flex-wrap: wrap;
}
.proof-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 0 60px;
  text-align: center;
}
.proof-num {
  font-family: var(--font-serif);
  font-size: 3rem;
  font-weight: 700;
  color: var(--gold);
  line-height: 1;
  margin-bottom: 8px;
}
.proof-label {
  color: var(--gray-light);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}
html[data-lang="ar"] .proof-label { letter-spacing: 0; }
.proof-divider {
  width: 1px;
  height: 60px;
  background: rgba(201,168,76,0.2);
}
@media (max-width: 640px) {
  .proof-item { padding: 20px 30px; }
  .proof-divider { display: none; }
}


/* ════════════════════════════════════════
   CONTACT
   ════════════════════════════════════════ */
.contact {
  padding: 100px 0;
  background: var(--black);
}
.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.contact-card {
  background: var(--dark-2);
  border: 1px solid var(--dark-3);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  text-align: center;
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}
.contact-card:hover {
  border-color: rgba(201,168,76,0.3);
  box-shadow: var(--glow);
}
.contact-icon {
  width: 56px;
  height: 56px;
  background: rgba(201,168,76,0.1);
  border: 1px solid rgba(201,168,76,0.25);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gold);
}
.contact-card h3 {
  font-size: 1.1rem;
  color: var(--off-white);
  font-family: var(--font-ar);
}
html[data-lang="en"] .contact-card h3 { font-family: var(--font-en); }
.contact-card p {
  color: var(--gray);
  font-size: 0.92rem;
}

@media (max-width: 768px) {
  .contact-grid { grid-template-columns: 1fr; max-width: 400px; margin: 0 auto; }
}


/* ════════════════════════════════════════
   FOOTER
   ════════════════════════════════════════ */
.footer {
  background: var(--dark-2);
  border-top: 1px solid rgba(201,168,76,0.12);
  padding: 60px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid var(--dark-3);
}
.footer-logo {
  height: 60px;
  width: auto;
  border-radius: var(--radius);
  margin-bottom: 16px;
}
html[data-lang="ar"] .footer-logo { margin-right: 0; }
.footer-brand p {
  color: var(--gray);
  font-size: 0.9rem;
  margin-top: 12px;
}

.footer-links h4,
.footer-social h4 {
  color: var(--gold);
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 20px;
}
html[data-lang="ar"] .footer-links h4,
html[data-lang="ar"] .footer-social h4 { letter-spacing: 0; }

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-links a {
  color: var(--gray-light);
  font-size: 0.92rem;
  transition: color var(--transition);
}
.footer-links a:hover { color: var(--gold); }

.social-icons {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.social-icons a {
  width: 40px;
  height: 40px;
  background: var(--dark-3);
  border: 1px solid rgba(201,168,76,0.15);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-light);
  transition: all var(--transition);
}
.social-icons a svg { width: 18px; height: 18px; }
.social-icons a:hover {
  background: var(--gold);
  color: var(--black);
  border-color: var(--gold);
}

.footer-bottom {
  padding: 20px 0;
  text-align: center;
}
.footer-bottom p {
  color: var(--gray);
  font-size: 0.85rem;
}

@media (max-width: 768px) {
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
}


/* ════════════════════════════════════════
   FLOATING WHATSAPP
   ════════════════════════════════════════ */
.whatsapp-float {
  position: fixed;
  bottom: 28px;
  left: 28px;
  width: 56px;
  height: 56px;
  background: #25D366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  box-shadow: 0 4px 20px rgba(37,211,102,0.4);
  z-index: 999;
  transition: all var(--transition);
}
html[data-lang="en"] .whatsapp-float { left: auto; right: 28px; }
.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 28px rgba(37,211,102,0.55);
}

/* ════════════════════════════════════════
   ANIMATIONS
   ════════════════════════════════════════ */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0); }
}

.fade-in-up {
  animation: fadeInUp 0.7s ease forwards;
}

/* Intersection observer classes */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

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

/* ════════════════════════════════════════
   RESPONSIVE MISC
   ════════════════════════════════════════ */
@media (max-width: 768px) {
  .hero-ctas { flex-direction: column; align-items: center; }
  .btn-lg { width: 100%; max-width: 300px; justify-content: center; }
  .section-header { margin-bottom: 40px; }
}

@media (max-width: 480px) {
  .nav-logo img { height: 40px; }
  .hero-logo { width: 160px; }
  .hero-title { font-size: 2rem; }
}
