/* ═══════════════════════════ RESET & BASE ═══════════════════════════ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --deep:       #050f1e;
  --dark:       #0a1628;
  --mid-dark:   #0d1f38;
  --navy:       #102b4e;
  --teal:       #0c4a75;
  --aqua:       #63d2ff;
  --aqua-dim:   rgba(99,210,255,0.18);
  --aqua-glow:  rgba(99,210,255,0.35);
  --white:      #f0f8ff;
  --text:       #c8dff0;
  --text-dim:   #6a90b0;
  --accent:     #ff7043;
  --gold:       #ffe082;
  --radius:     14px;
  --transition: 0.35s cubic-bezier(0.4,0,0.2,1);
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: var(--text);
  background: var(--dark);
  overflow-x: hidden;
}

/* ═══════════════════════════ TYPOGRAPHY ════════════════════════════ */
h1, h2, h3, h4, h5 {
  font-family: 'Cormorant Garamond', Georgia, serif;
  color: var(--white);
  line-height: 1.2;
  font-weight: 400;
}
h1 { font-size: clamp(2.8rem, 7vw, 5.5rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(2rem, 4vw, 3.2rem); letter-spacing: -0.01em; }
h3 { font-size: 1.45rem; }
h4 { font-size: 1.15rem; font-weight: 600; }
em { font-style: italic; color: var(--aqua); }
strong { color: var(--white); font-weight: 500; }
a { color: inherit; text-decoration: none; }

.container { max-width: 1160px; margin: 0 auto; padding: 0 24px; }
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }

.section-eyebrow {
  font-family: 'Inter', sans-serif;
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--aqua);
  margin-bottom: 12px;
}
.section-header { text-align: center; margin-bottom: 56px; }
.section-header h2 { margin-bottom: 16px; }
.section-intro { max-width: 580px; margin: 0 auto; color: var(--text-dim); font-size: 1.05rem; }

section { padding: 100px 0; }

/* ════════════════════════════ NAVBAR ═══════════════════════════════ */
#navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  transition: background var(--transition), backdrop-filter var(--transition), border-color var(--transition);
  border-bottom: 1px solid transparent;
}
#navbar.scrolled {
  background: rgba(5,15,30,0.88);
  backdrop-filter: blur(18px);
  border-color: rgba(99,210,255,0.1);
}
.nav-inner {
  max-width: 1160px; margin: 0 auto; padding: 20px 24px;
  display: flex; align-items: center; gap: 40px;
}
.logo {
  display: flex; align-items: center; gap: 10px;
  font-family: 'Cormorant Garamond', serif; font-size: 1.3rem;
  color: var(--white); white-space: nowrap;
}
.nav-links {
  display: flex; gap: 32px; list-style: none; margin-left: auto;
}
.nav-links a {
  font-size: 0.88rem; font-weight: 400; color: var(--text-dim);
  letter-spacing: 0.03em; transition: color var(--transition);
}
.nav-links a:hover { color: var(--aqua); }
.nav-cta {
  border: 1px solid var(--aqua-glow) !important;
  color: var(--aqua) !important;
  padding: 8px 20px; border-radius: 40px;
  transition: background var(--transition), color var(--transition) !important;
}
.nav-cta:hover { background: var(--aqua) !important; color: var(--dark) !important; }
.burger { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 4px; }
.burger span { width: 22px; height: 2px; background: var(--text); border-radius: 2px; transition: var(--transition); }

/* ═════════════════════════════ HERO ════════════════════════════════ */
#hero {
  position: relative; min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden; background: var(--deep);
}
#waterCanvas {
  position: absolute; inset: 0; width: 100%; height: 100%;
  display: block; opacity: 0.9;
}
.fish-layer {
  position: absolute; inset: 0; pointer-events: none; overflow: hidden;
}
.hero-content {
  position: relative; z-index: 2; text-align: center;
  max-width: 760px; padding: 0 24px;
}
.hero-eyebrow {
  font-size: 0.75rem; font-weight: 500; letter-spacing: 0.25em;
  text-transform: uppercase; color: var(--aqua); margin-bottom: 20px;
}
.hero-content h1 { margin-bottom: 24px; }
.hero-sub {
  font-size: 1.1rem; color: var(--text-dim); max-width: 520px;
  margin: 0 auto 40px; line-height: 1.8;
}
.hero-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

.btn-primary {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--aqua); color: var(--dark);
  padding: 14px 32px; border-radius: 50px; font-weight: 500;
  font-size: 0.92rem; letter-spacing: 0.02em; border: none; cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(99,210,255,0.4);
}
.btn-primary.full { width: 100%; justify-content: center; }

.btn-ghost {
  display: inline-flex; align-items: center; gap: 8px;
  background: transparent; color: var(--white);
  padding: 14px 32px; border-radius: 50px; font-size: 0.92rem;
  border: 1px solid rgba(255,255,255,0.2);
  transition: border-color var(--transition), color var(--transition);
}
.btn-ghost:hover { border-color: var(--aqua); color: var(--aqua); }

.hero-scroll-hint {
  position: absolute; bottom: 36px; left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  font-size: 0.7rem; letter-spacing: 0.15em; text-transform: uppercase;
  color: var(--text-dim); z-index: 2; animation: fadeInUp 1s 1.5s both;
}
.scroll-line {
  width: 1px; height: 40px; background: linear-gradient(to bottom, var(--aqua), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}
@keyframes scrollPulse { 0%,100% { opacity: .3; transform: scaleY(1); } 50% { opacity: 1; transform: scaleY(1.2); } }
@keyframes fadeInUp { from { opacity:0; transform: translate(-50%,20px); } to { opacity:1; transform: translate(-50%,0); } }

/* ════════════════════════════ WAVE DIVIDER ═════════════════════════ */
.wave-divider { background: var(--mid-dark); margin-top: -2px; line-height: 0; }
.wave-divider svg { width: 100%; height: 80px; display: block; }

/* ═════════════════════════════ ABOUT ══════════════════════════════ */
#about { background: var(--mid-dark); }
.about-img-wrap { position: relative; }
.about-img-placeholder {
  border-radius: var(--radius); overflow: hidden;
  box-shadow: 0 24px 60px rgba(0,0,0,0.5), 0 0 0 1px rgba(99,210,255,0.1);
}
.about-img-placeholder svg { display: block; width: 100%; }
.pond-scene .shimmer { animation: shimmer 3s ease-in-out infinite alternate; }
@keyframes shimmer { from { opacity:.1; } to { opacity:.4; } }

.about-badge {
  position: absolute; bottom: -20px; right: -20px;
  background: var(--aqua); color: var(--dark);
  border-radius: 12px; padding: 16px 20px;
  text-align: center; box-shadow: 0 8px 24px rgba(99,210,255,0.4);
}
.badge-num { display: block; font-family: 'Cormorant Garamond', serif; font-size: 2rem; font-weight: 600; line-height: 1; }
.badge-label { font-size: 0.72rem; line-height: 1.3; }

.about-text h2 { margin-bottom: 20px; }
.about-text p { color: var(--text-dim); margin-bottom: 16px; }

.about-stats { display: flex; gap: 32px; margin: 32px 0; }
.stat { text-align: center; }
.stat-num { display: block; font-family: 'Cormorant Garamond', serif; font-size: 2.2rem; color: var(--aqua); }
.stat-label { font-size: 0.78rem; color: var(--text-dim); letter-spacing: 0.05em; }

/* ════════════════════════════ SERVICES ════════════════════════════ */
#services { background: var(--dark); }
.services-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
}
.service-card {
  background: var(--mid-dark); border: 1px solid rgba(99,210,255,0.08);
  border-radius: var(--radius); padding: 32px 28px;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
  position: relative; overflow: hidden;
}
.service-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(to right, transparent, var(--aqua), transparent);
  opacity: 0; transition: opacity var(--transition);
}
.service-card:hover { transform: translateY(-6px); border-color: rgba(99,210,255,0.25); box-shadow: 0 20px 50px rgba(0,0,0,0.4); }
.service-card:hover::before { opacity: 1; }
.service-icon { width: 52px; height: 52px; margin-bottom: 20px; }
.service-icon svg { width: 100%; height: 100%; }
.service-card h3 { margin-bottom: 12px; font-size: 1.25rem; }
.service-card p { color: var(--text-dim); font-size: 0.93rem; line-height: 1.7; margin-bottom: 20px; }
.service-link { color: var(--aqua); font-size: 0.85rem; font-weight: 500; letter-spacing: 0.02em; transition: gap var(--transition); display: inline-flex; gap: 4px; }
.service-link:hover { gap: 8px; }

/* ══════════════════════════ PORTFOLIO ═════════════════════════════ */
#portfolio { background: var(--mid-dark); }
.portfolio-filter {
  display: flex; gap: 12px; justify-content: center; margin-bottom: 40px; flex-wrap: wrap;
}
.filter-btn {
  background: transparent; border: 1px solid rgba(99,210,255,0.2);
  color: var(--text-dim); padding: 8px 22px; border-radius: 30px;
  font-size: 0.85rem; cursor: pointer; transition: var(--transition);
  font-family: 'Inter', sans-serif;
}
.filter-btn.active, .filter-btn:hover {
  background: var(--aqua); color: var(--dark); border-color: var(--aqua);
}
.portfolio-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  grid-template-rows: 240px 240px; gap: 16px;
}
.portfolio-item { border-radius: var(--radius); overflow: hidden; position: relative; cursor: pointer; }
.portfolio-item.large { grid-column: span 2; }
.portfolio-item.hidden { display: none; }
.portfolio-visual {
  width: 100%; height: 100%; position: relative;
  transition: transform 0.6s cubic-bezier(0.4,0,0.2,1);
}
.portfolio-item:hover .portfolio-visual { transform: scale(1.05); }
.portfolio-overlay {
  position: absolute; inset: 0; background: linear-gradient(to top, rgba(5,15,30,0.85) 0%, transparent 60%);
  opacity: 0; transition: opacity var(--transition); display: flex; flex-direction: column;
  justify-content: flex-end; padding: 24px; color: var(--white);
}
.portfolio-item:hover .portfolio-overlay { opacity: 1; }
.portfolio-overlay h4 { margin-bottom: 4px; font-size: 1.15rem; }
.portfolio-overlay p { font-size: 0.82rem; color: var(--aqua); }

/* Portfolio visual colors — gradient scenes representing different water environments */
.pv-1 { background: radial-gradient(ellipse at 40% 70%, #0d4a2e 0%, #0a2e5c 40%, #050f1e 100%); }
.pv-2 { background: radial-gradient(ellipse at 30% 60%, #1b4d2e 0%, #0a3d62 50%, #05101f 100%); }
.pv-3 { background: radial-gradient(ellipse at 50% 80%, #1a3a2a 0%, #0c3050 40%, #050f1e 100%); }
.pv-4 { background: radial-gradient(ellipse at 60% 50%, #0d2a4a 0%, #1a0a2e 50%, #050f1e 100%); }
.pv-5 { background: radial-gradient(ellipse at 40% 75%, #0f3d25 0%, #0a2d50 40%, #050f1e 100%); }
.pv-6 { background: radial-gradient(ellipse at 50% 40%, #0c3a5c 0%, #050f1e 70%); }

/* decorative overlay patterns */
.pv-1::after { content:'🐟'; position:absolute; font-size:2rem; bottom:20%; left:35%; opacity:.5; animation: fishSwim 6s ease-in-out infinite; }
.pv-2::after { content:'🌿'; position:absolute; font-size:2.5rem; bottom:15%; left:50%; opacity:.4; animation: sway 4s ease-in-out infinite; }
.pv-3::after { content:'💧'; position:absolute; font-size:2rem; top:30%; left:45%; opacity:.4; animation: dropFall 3s ease-in-out infinite; }
.pv-4::after { content:'🪸'; position:absolute; font-size:2.5rem; bottom:20%; left:40%; opacity:.45; animation: sway 5s ease-in-out infinite; }
.pv-5::after { content:'🐠'; position:absolute; font-size:2rem; bottom:30%; left:30%; opacity:.5; animation: fishSwim 7s ease-in-out infinite reverse; }
.pv-6::after { content:'🌊'; position:absolute; font-size:3rem; bottom:20%; left:38%; opacity:.35; animation: wave 4s ease-in-out infinite; }

@keyframes fishSwim { 0%,100% { transform: translateX(0); } 50% { transform: translateX(20px); } }
@keyframes sway { 0%,100% { transform: rotate(-5deg); } 50% { transform: rotate(5deg); } }
@keyframes dropFall { 0%,100% { transform: translateY(0); opacity:.4; } 50% { transform: translateY(8px); opacity:.2; } }
@keyframes wave { 0%,100% { transform: scaleX(1); } 50% { transform: scaleX(1.1); } }

/* ══════════════════════════ AQUARIUM SECTION ══════════════════════ */
#aquariums { position: relative; overflow: hidden; padding: 120px 0; }
.aquarium-bg {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, #030b18 0%, #051525 40%, #030b18 100%);
}
#tankCanvas { position: absolute; inset: 0; width: 100%; height: 100%; }
.bubble-layer { position: absolute; inset: 0; pointer-events: none; }
.aquarium-content { position: relative; z-index: 2; }
.section-header.light .section-eyebrow { color: var(--aqua); }
.section-header.light h2, .section-header.light .section-intro { color: var(--white); }
.section-header.light .section-intro { color: rgba(200,223,240,0.75); }

.aquarium-features {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; margin-top: 16px;
}
.aq-feat {
  background: rgba(10,22,40,0.7); border: 1px solid rgba(99,210,255,0.12);
  border-radius: var(--radius); padding: 28px 22px;
  backdrop-filter: blur(12px);
  transition: transform var(--transition), border-color var(--transition);
}
.aq-feat:hover { transform: translateY(-4px); border-color: rgba(99,210,255,0.3); }
.aq-icon { font-size: 1.8rem; margin-bottom: 14px; }
.aq-feat h4 { margin-bottom: 10px; font-size: 1.05rem; color: var(--white); }
.aq-feat p { font-size: 0.88rem; color: var(--text-dim); line-height: 1.65; }

/* ═══════════════════════════ PROCESS ══════════════════════════════ */
#process { background: var(--dark); }
.process-timeline {
  display: flex; align-items: flex-start; gap: 0; max-width: 900px; margin: 0 auto;
}
.process-step { flex: 1; display: flex; flex-direction: column; align-items: center; text-align: center; }
.step-num {
  width: 52px; height: 52px; border-radius: 50%;
  border: 2px solid var(--aqua); display: flex; align-items: center; justify-content: center;
  font-family: 'Cormorant Garamond', serif; font-size: 1.1rem; color: var(--aqua);
  background: var(--deep); margin-bottom: 20px; position: relative; z-index: 1;
  transition: background var(--transition), color var(--transition);
}
.process-step:hover .step-num { background: var(--aqua); color: var(--dark); }
.step-body { padding: 0 12px; }
.step-body h4 { margin-bottom: 8px; font-size: 1.05rem; }
.step-body p { font-size: 0.87rem; color: var(--text-dim); }
.process-connector {
  flex: 0 0 60px; height: 2px; background: linear-gradient(to right, var(--aqua-glow), var(--aqua-dim));
  margin-top: 26px; align-self: flex-start;
}

/* ══════════════════════════ TESTIMONIALS ══════════════════════════ */
#testimonials { background: var(--mid-dark); overflow: hidden; }
.testimonials-track {
  display: flex; gap: 24px; overflow: hidden; position: relative;
}
.testimonial-card {
  min-width: calc(50% - 12px); background: var(--dark);
  border: 1px solid rgba(99,210,255,0.1); border-radius: var(--radius);
  padding: 36px 32px; transition: border-color var(--transition), transform var(--transition);
  flex-shrink: 0;
}
.testimonial-card:hover { border-color: rgba(99,210,255,0.3); transform: translateY(-3px); }
.stars { color: var(--gold); letter-spacing: 2px; margin-bottom: 16px; font-size: 1rem; }
.testimonial-card > p { color: var(--text); font-size: 1rem; line-height: 1.75; margin-bottom: 24px; font-style: italic; }
.t-author { display: flex; align-items: center; gap: 14px; }
.t-avatar { width: 44px; height: 44px; border-radius: 50%; flex-shrink: 0; }
.av1 { background: radial-gradient(circle, #3a7bd5, #1a3a6c); }
.av2 { background: radial-gradient(circle, #2d9e7e, #0d3d30); }
.av3 { background: radial-gradient(circle, #9b59b6, #4a1e6b); }
.av4 { background: radial-gradient(circle, #d4845a, #7a3a20); }
.t-author strong { display: block; color: var(--white); font-size: 0.95rem; }
.t-author span { font-size: 0.78rem; color: var(--aqua); }
.testimonials-dots { display: flex; gap: 8px; justify-content: center; margin-top: 32px; }
.dot { width: 8px; height: 8px; border-radius: 50%; background: rgba(99,210,255,0.25); border: none; cursor: pointer; transition: var(--transition); }
.dot.active { background: var(--aqua); transform: scale(1.3); }

/* ═══════════════════════════ CONTACT ═══════════════════════════════ */
#contact { background: var(--dark); }
.contact-layout { gap: 80px; }
.contact-info h2 { margin: 16px 0 20px; }
.contact-info > p { color: var(--text-dim); margin-bottom: 32px; }
.contact-details { list-style: none; display: flex; flex-direction: column; gap: 16px; }
.contact-details li {
  display: flex; align-items: center; gap: 12px;
  color: var(--text-dim); font-size: 0.92rem;
}
.contact-details svg { width: 18px; height: 18px; flex-shrink: 0; }

.contact-form {
  background: var(--mid-dark); border: 1px solid rgba(99,210,255,0.1);
  border-radius: var(--radius); padding: 40px 36px;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { display: flex; flex-direction: column; gap: 8px; margin-bottom: 20px; }
.form-group label { font-size: 0.8rem; font-weight: 500; letter-spacing: 0.05em; color: var(--text-dim); text-transform: uppercase; }
.form-group input,
.form-group select,
.form-group textarea {
  background: rgba(5,15,30,0.6); border: 1px solid rgba(99,210,255,0.15);
  border-radius: 8px; padding: 12px 16px; color: var(--white);
  font-family: 'Inter', sans-serif; font-size: 0.93rem;
  outline: none; transition: border-color var(--transition), box-shadow var(--transition);
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--text-dim); }
.form-group select { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%2363d2ff' stroke-width='1.5' fill='none'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 14px center; }
.form-group select option { background: var(--dark); }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  border-color: var(--aqua); box-shadow: 0 0 0 3px rgba(99,210,255,0.12);
}
.form-group textarea { resize: vertical; min-height: 120px; }
.form-success {
  display: none; align-items: center; gap: 10px; justify-content: center;
  color: var(--aqua); padding: 16px; margin-top: 12px;
  background: rgba(99,210,255,0.08); border-radius: 8px; font-size: 0.92rem;
}
.form-success.visible { display: flex; }

/* ═════════════════════════════ FOOTER ═════════════════════════════ */
footer { background: var(--deep); color: var(--text-dim); }
.footer-wave { background: var(--mid-dark); line-height: 0; }
.footer-wave svg { display: block; width: 100%; }
.footer-inner {
  max-width: 1160px; margin: 0 auto; padding: 60px 24px 40px;
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px;
}
.footer-brand .logo { margin-bottom: 14px; display: inline-flex; }
.footer-brand p { font-size: 0.87rem; color: var(--text-dim); }
.footer-links h5, .footer-social h5 {
  font-family: 'Inter', sans-serif; font-size: 0.75rem; font-weight: 500;
  letter-spacing: 0.12em; text-transform: uppercase; color: var(--text);
  margin-bottom: 16px;
}
.footer-links ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer-links a { font-size: 0.88rem; color: var(--text-dim); transition: color var(--transition); }
.footer-links a:hover { color: var(--aqua); }
.social-icons { display: flex; gap: 14px; }
.social-icons a {
  width: 38px; height: 38px; border: 1px solid rgba(99,210,255,0.2); border-radius: 8px;
  display: flex; align-items: center; justify-content: center; color: var(--text-dim);
  transition: var(--transition);
}
.social-icons a svg { width: 16px; height: 16px; }
.social-icons a:hover { border-color: var(--aqua); color: var(--aqua); background: var(--aqua-dim); }
.footer-bottom {
  max-width: 1160px; margin: 0 auto; padding: 20px 24px;
  display: flex; justify-content: space-between; align-items: center;
  border-top: 1px solid rgba(99,210,255,0.06); font-size: 0.8rem;
}

/* ════════════════════════ SCROLL ANIMATIONS ════════════════════════ */
.reveal { opacity: 0; transform: translateY(32px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.visible { opacity: 1; transform: none; }
.reveal-left { opacity: 0; transform: translateX(-32px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal-left.visible { opacity: 1; transform: none; }
.reveal-right { opacity: 0; transform: translateX(32px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal-right.visible { opacity: 1; transform: none; }

/* ════════════════════════ BUBBLE ANIMATIONS ════════════════════════ */
.bubble {
  position: absolute; border-radius: 50%;
  border: 1px solid rgba(99,210,255,0.3);
  animation: bubbleRise linear infinite;
  pointer-events: none;
}
@keyframes bubbleRise {
  0%   { transform: translateY(100vh) translateX(0) scale(0.8); opacity: 0; }
  10%  { opacity: .6; }
  90%  { opacity: .4; }
  100% { transform: translateY(-80px) translateX(var(--drift)) scale(1); opacity: 0; }
}

/* ════════════════════════ FISH SVG ANIMATIONS ══════════════════════ */
.hero-fish {
  position: absolute; pointer-events: none;
  animation: swimAcross linear infinite;
  opacity: 0.6;
}
@keyframes swimAcross {
  0%   { transform: translateX(-120px) translateY(var(--fy)); opacity: 0; }
  5%   { opacity: .6; }
  95%  { opacity: .5; }
  100% { transform: translateX(calc(100vw + 120px)) translateY(calc(var(--fy) + var(--fdy))); opacity: 0; }
}
.hero-fish.rtl {
  animation-name: swimBack;
}
@keyframes swimBack {
  0%   { transform: translateX(calc(100vw + 120px)) translateY(var(--fy)) scaleX(-1); opacity: 0; }
  5%   { opacity: .6; }
  95%  { opacity: .5; }
  100% { transform: translateX(-120px) translateY(calc(var(--fy) + var(--fdy))) scaleX(-1); opacity: 0; }
}

/* ════════════════════════ RESPONSIVE ══════════════════════════════ */
@media (max-width: 1024px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .aquarium-features { grid-template-columns: repeat(2, 1fr); }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .process-timeline { flex-direction: column; align-items: stretch; gap: 0; }
  .process-step { flex-direction: row; text-align: left; align-items: flex-start; gap: 20px; padding: 0 0 32px 0; }
  .step-num { flex-shrink: 0; margin-bottom: 0; }
  .process-connector { width: 2px; height: 40px; background: linear-gradient(to bottom, var(--aqua-glow), var(--aqua-dim)); margin: 0 0 0 25px; align-self: auto; flex: 0 0 auto; }
}
@media (max-width: 768px) {
  section { padding: 72px 0; }
  .two-col { grid-template-columns: 1fr; gap: 40px; }
  .contact-layout { gap: 40px; }
  .about-badge { bottom: -12px; right: -12px; }
  .services-grid { grid-template-columns: 1fr; }
  .portfolio-grid { grid-template-columns: 1fr 1fr; grid-template-rows: auto; }
  .portfolio-item.large { grid-column: span 2; }
  .aquarium-features { grid-template-columns: 1fr 1fr; }
  .testimonial-card { min-width: 100%; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .nav-links { display: none; }
  .burger { display: flex; }
  .nav-links.open {
    display: flex; flex-direction: column; gap: 0;
    position: fixed; top: 64px; left: 0; right: 0;
    background: rgba(5,15,30,0.97); backdrop-filter: blur(20px);
    padding: 24px; border-top: 1px solid rgba(99,210,255,0.1);
  }
  .nav-links.open li { padding: 12px 0; border-bottom: 1px solid rgba(99,210,255,0.06); }
  .hero-content h1 { font-size: 3rem; }
  .form-row { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .portfolio-grid { grid-template-columns: 1fr; }
  .portfolio-item.large { grid-column: span 1; }
  .about-stats { gap: 16px; }
  .aquarium-features { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
}