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

:root {
  /* Colors - Light Theme */
  --bg-color: #F8F9FA;
  --bg-glass: rgba(255, 255, 255, 0.6);
  --bg-glass-hover: rgba(255, 255, 255, 0.85);
  
  --accent: #8A1538; /* Deep Burgundy Red */
  --accent-light: #B21F47;
  --accent-glow: rgba(138, 21, 56, 0.25);
  
  --text-main: #1A1A1A;
  --text-muted: #5A5A66;
  
  --border-glass: rgba(255, 255, 255, 0.5);
  --shadow-glass: 0 8px 32px rgba(0, 0, 0, 0.05);

  /* Typography */
  --font-heading: 'Jost', sans-serif;
  --font-body: 'Manrope', sans-serif;

  /* Spacing */
  --safe-top: env(safe-area-inset-top, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
  --container-px: clamp(1rem, 5vw, 3rem);
}

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

html {
  scroll-behavior: smooth;
  font-family: var(--font-body);
  color: var(--text-main);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

body {
  overflow-x: hidden;
  position: relative;
  background-color: transparent;
}

/* ---- Animated Sound Wave Background ---- */
.bg-animations {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: -5;
  background-color: #F8F9FA;
}

/* Overlay to blend waves nicely */
.bg-overlay {
  position: fixed;
  top: 0; left: 0; width: 100vw; height: 100vh;
  background: linear-gradient(180deg, rgba(248, 249, 250, 0.4) 0%, rgba(248, 249, 250, 0.8) 100%);
  pointer-events: none;
  z-index: -3;
}

/* -------------------------------- */

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--container-px);
  width: 100%;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 500;
  line-height: 1.15;
  margin-bottom: 1rem;
}

h2 {
  font-size: clamp(2.5rem, 6vw, 3.5rem);
  text-align: center;
  margin-bottom: 3.5rem;
  color: var(--text-main);
  letter-spacing: -0.01em;
}

h2 span.highlight {
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

p {
  font-size: clamp(1rem, 2vw, 1.125rem);
  line-height: 1.6;
  color: var(--text-muted);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 1rem 2.5rem;
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: 1.1rem;
  text-decoration: none;
  letter-spacing: 0.02em;
  border-radius: 100px;
  cursor: pointer;
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  border: none;
  outline: none;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 10px 20px var(--accent-glow);
}

.btn-primary:hover {
  background: var(--accent-light);
  box-shadow: 0 15px 25px var(--accent-glow);
  transform: translateY(-3px) scale(1.02);
}

.btn-glass {
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 1);
  color: var(--text-main);
  box-shadow: var(--shadow-glass);
}

.btn-glass:hover {
  background: #ffffff;
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 15px 30px rgba(0,0,0,0.08);
}

/* Glass Card */
.glass-card {
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-glass);
  border-radius: 32px;
  padding: 2.5rem;
  box-shadow: var(--shadow-glass);
  transition: transform 0.4s ease, box-shadow 0.4s ease, background 0.4s ease;
}

.glass-card:hover {
  background: var(--bg-glass-hover);
  transform: translateY(-10px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
}

/* Navigation */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  padding: 1.5rem 0;
  transition: all 0.4s ease;
  padding-top: calc(1.5rem + var(--safe-top));
}

header.scrolled {
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255,255,255,0.5);
  padding: 0.8rem 0;
  box-shadow: 0 4px 30px rgba(0,0,0,0.03);
}

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

/* Dynamic SVG Logo Styles */
.logo-svg {
  display: block;
  transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.logo:hover .logo-svg {
  transform: scale(1.05);
}

.logo-tiho {
  stroke: #ffffff; /* White over dark video by default */
  transition: stroke 0.4s ease;
}

.logo-acoustic {
  fill: #ffffff; /* White over dark video by default */
  transition: fill 0.4s ease;
}

/* Scrolled state: Logo turns Black & Burgundy Red over the white header */
header.scrolled .logo-tiho {
  stroke: var(--text-main);
}

header.scrolled .logo-acoustic {
  fill: var(--accent);
}

.nav-links {
  display: none;
  gap: 2.5rem;
  list-style: none;
  background: rgba(255, 255, 255, 0.5);
  padding: 0.8rem 2rem;
  border-radius: 100px;
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,0.8);
}

@media (min-width: 992px) {
  .nav-links {
    display: flex;
  }
}

.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 600;
  transition: color 0.3s ease;
}

.nav-links a:hover, .nav-links a.active {
  color: var(--accent);
}

.nav-contact {
  display: none;
  align-items: center;
  gap: 1.5rem;
}

@media (min-width: 992px) {
  .nav-contact {
    display: flex;
  }
}

.nav-contact a {
  color: var(--text-main);
  text-decoration: none;
  font-weight: 700;
  font-family: var(--font-heading);
  font-size: 1.1rem;
}

.hamburger {
  display: flex;
  flex-direction: column;
  gap: 6px;
  cursor: pointer;
  z-index: 101;
  background: rgba(255,255,255,0.8);
  padding: 10px;
  border-radius: 50%;
  backdrop-filter: blur(10px);
}

@media (min-width: 992px) {
  .hamburger {
    display: none;
  }
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-main);
  transition: all 0.3s ease;
}

/* Mobile Menu */
.mobile-menu {
  position: fixed;
  top: 0;
  right: -100%;
  width: 100%;
  height: 100vh;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(30px);
  -webkit-backdrop-filter: blur(30px);
  z-index: 99;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  transition: right 0.6s cubic-bezier(0.77, 0, 0.175, 1);
  padding-bottom: var(--safe-bottom);
}

.mobile-menu.active {
  right: 0;
}

.mobile-menu ul {
  list-style: none;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

.mobile-menu a {
  color: var(--text-main);
  text-decoration: none;
  font-size: 2.5rem;
  font-family: var(--font-heading);
  font-weight: 800;
  letter-spacing: -0.02em;
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  padding-top: 100px;
  overflow: hidden;
}

.hero-video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: -2;
  opacity: 1;
}

/* Hide native play buttons that Safari might force */
.hero-video::-webkit-media-controls {
    display: none !important;
}
.hero-video::-webkit-media-controls-start-playback-button {
    display: none !important;
    -webkit-appearance: none;
}

.hero-video-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  background: linear-gradient(180deg, rgba(0,0,0,0.5) 0%, rgba(0,0,0,0.1) 60%, #F8F9FA 100%);
  pointer-events: none;
}

.hero-content {
  max-width: 900px;
  z-index: 1;
  position: relative;
}

.hero-title {
  font-size: clamp(3rem, 7vw, 5.5rem);
  margin-bottom: 1.5rem;
  letter-spacing: -0.01em;
  line-height: 1.1;
  font-weight: 600;
  color: #ffffff; /* White text for dark video */
  text-shadow: 0 4px 20px rgba(0,0,0,0.5); /* Pop effect */
}

.hero-text {
  font-size: clamp(1.1rem, 2vw, 1.3rem);
  margin-bottom: 3rem;
  color: rgba(255, 255, 255, 0.9);
  max-width: 700px;
  font-weight: 300;
  text-shadow: 0 2px 10px rgba(0,0,0,0.5);
}

.hero-list {
  list-style: none;
  margin-bottom: 4rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
}

.hero-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 600;
  font-size: 1.1rem;
  color: #ffffff;
  text-shadow: 0 2px 10px rgba(0,0,0,0.5);
}

.hero-list li::before {
  content: '';
  display: inline-block;
  width: 10px;
  height: 10px;
  background: var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 12px var(--accent);
}

.hero-buttons {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
}

/* Pros Section */
.pros {
  padding: 8rem 0;
}

.pros-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2.5rem;
}

.pro-icon {
  width: 70px;
  height: 70px;
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 2rem;
  box-shadow: 0 10px 20px var(--accent-glow);
}

.pro-icon img {
  width: 35px;
  filter: brightness(0) invert(1);
}

.pro-title {
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

/* Numbers Section */
.numbers {
  padding: 6rem 0;
  margin: 4rem 0;
  position: relative;
}

.numbers-wrap {
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(20px);
  border: 1px solid #fff;
  border-radius: 40px;
  padding: 5rem 2rem;
  box-shadow: 0 20px 50px rgba(0,0,0,0.03);
}

.numbers-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 3rem;
  text-align: center;
}

.num-val {
  font-size: 4.5rem;
  font-family: var(--font-heading);
  font-weight: 600;
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 0.5rem;
  line-height: 1;
}

.num-text {
  font-weight: 500;
  color: var(--text-muted);
  font-size: 1.1rem;
  letter-spacing: 0.02em;
}

/* Places Section */
.places {
  padding: 6rem 0;
}

.places-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 768px) {
  .places-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.place-item {
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  padding: 1.5rem 2rem;
  border-radius: 20px;
  display: flex;
  align-items: center;
  gap: 1rem;
  transition: all 0.4s ease;
  font-weight: 500;
  font-size: 1.1rem;
  box-shadow: var(--shadow-glass);
}

.place-item:hover {
  background: #fff;
  border-color: #fff;
  transform: translateX(10px);
  box-shadow: 0 10px 30px rgba(138, 21, 56, 0.1);
  color: var(--accent);
}

.place-item::before {
  content: '→';
  color: var(--accent);
  font-weight: bold;
  font-size: 1.5rem;
  transition: transform 0.3s ease;
}
.place-item:hover::before {
  transform: translateX(5px);
}

/* Materials */
.materials {
  padding: 8rem 0;
}

.materials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2.5rem;
}

.material-card {
  padding: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.material-img {
  width: 100%;
  height: 300px;
  object-fit: cover;
  border-bottom: 1px solid var(--border-glass);
  transition: transform 0.5s ease;
}

.material-card:hover .material-img {
  transform: scale(1.05);
}

.material-info {
  padding: 2rem;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background: #fff;
}

.material-title {
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
}

.material-btn {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  align-self: flex-end;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  box-shadow: 0 5px 15px var(--accent-glow);
}

.material-btn:hover {
  transform: scale(1.1) rotate(-15deg);
  box-shadow: 0 10px 25px var(--accent-glow);
}

.material-btn img {
  width: 24px;
}

/* Consult Form Section */
.consult {
  padding: 8rem 0;
}

.consult-wrap {
  background: #fff;
  border: 1px solid rgba(0,0,0,0.05);
  border-radius: 40px;
  padding: 6rem 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 2rem;
  box-shadow: 0 40px 100px rgba(0,0,0,0.05);
  position: relative;
  overflow: hidden;
}

.consult-wrap::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(138, 21, 56, 0.05) 0%, transparent 50%);
  z-index: 0;
  pointer-events: none;
}

.consult-content {
  position: relative;
  z-index: 1;
}

/* Portfolio Slider */
.portfolio {
  padding: 6rem 0;
}

.swiper {
  width: 100%;
  padding-bottom: 4rem !important;
}

.portfolio-slide {
  border-radius: 32px;
  overflow: hidden;
  position: relative;
  aspect-ratio: 4/5;
  cursor: pointer;
  box-shadow: 0 10px 30px rgba(0,0,0,0.05);
}

.portfolio-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.7s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.portfolio-slide:hover .portfolio-img {
  transform: scale(1.1);
}

.portfolio-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  padding: 3rem 2rem 2rem;
  background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
  transform: translateY(10px);
  opacity: 0;
  transition: all 0.4s ease;
}

.portfolio-slide:hover .portfolio-overlay {
  transform: translateY(0);
  opacity: 1;
}

.portfolio-name {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 500;
  color: #fff;
  margin-bottom: 0.5rem;
}

.swiper-pagination-bullet {
  background: rgba(0,0,0,0.2) !important;
  width: 10px !important;
  height: 10px !important;
}

.swiper-pagination-bullet-active {
  background: var(--accent) !important;
  transform: scale(1.3);
}

/* About & Author */
.about {
  padding: 8rem 0;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4rem;
  align-items: center;
}

@media (min-width: 992px) {
  .about-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.about-img {
  width: 100%;
  border-radius: 32px;
  box-shadow: 0 20px 40px rgba(0,0,0,0.08);
}

.author-wrap {
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-glass);
  border-radius: 40px;
  padding: 4rem;
  display: grid;
  grid-template-columns: 1fr;
  gap: 4rem;
  align-items: center;
  box-shadow: var(--shadow-glass);
}

@media (min-width: 992px) {
  .author-wrap {
    grid-template-columns: 1.5fr 1fr;
  }
}

.author-img {
  width: 100%;
  border-radius: 32px;
  aspect-ratio: 1/1.1;
  object-fit: cover;
  box-shadow: 0 20px 40px rgba(0,0,0,0.1);
}

/* Form Styles */
.form-group {
  margin-bottom: 1.5rem;
}

.form-input {
  width: 100%;
  padding: 1.2rem 1.5rem;
  background: #f0f0f0;
  border: 2px solid transparent;
  border-radius: 16px;
  color: var(--text-main);
  font-family: var(--font-body);
  font-size: 1.1rem;
  transition: all 0.3s ease;
}

.form-input:focus {
  outline: none;
  background: #fff;
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(138, 21, 56, 0.1);
}

/* Modals */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(255,255,255,0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s ease;
  padding: 1rem;
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: all;
}

.modal-content {
  background: #fff;
  border: 1px solid rgba(0,0,0,0.05);
  border-radius: 32px;
  padding: 4rem;
  width: 100%;
  max-width: 550px;
  position: relative;
  transform: translateY(40px) scale(0.95);
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  box-shadow: 0 40px 80px rgba(0,0,0,0.1);
}

.modal-overlay.active .modal-content {
  transform: translateY(0) scale(1);
}

.modal-close {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  background: rgba(0,0,0,0.05);
  border: none;
  color: var(--text-main);
  font-size: 1.5rem;
  width: 40px; height: 40px;
  border-radius: 50%;
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex; align-items: center; justify-content: center;
}

.modal-close:hover {
  background: var(--accent);
  color: #fff;
  transform: rotate(90deg);
}

/* Footer */
footer {
  border-top: 1px solid rgba(0,0,0,0.05);
  padding: 6rem 0 2rem;
  background: #fff;
  position: relative;
  z-index: 1;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 4rem;
  margin-bottom: 4rem;
}

.footer-col h4 {
  color: var(--text-main);
  margin-bottom: 1.5rem;
  font-size: 1.2rem;
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 1rem;
}

.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s ease;
}

.footer-links a:hover {
  color: var(--accent);
}

.footer-bottom {
  text-align: center;
  padding-top: 3rem;
  border-top: 1px solid rgba(0,0,0,0.05);
  color: var(--text-muted);
  font-size: 0.95rem;
  font-weight: 500;
}

/* Animations */
.gsap-reveal {
  opacity: 0;
}

/* Reviews Section */
.reviews {
  padding: 8rem 0;
}

.partners-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 3rem;
  margin-bottom: 5rem;
  opacity: 0.6;
}

.partner-logo {
  max-height: 40px;
  max-width: 150px;
  object-fit: contain;
  filter: grayscale(100%) opacity(0.7);
  transition: all 0.3s ease;
}

.partner-logo:hover {
  filter: grayscale(0%) opacity(1);
}

.partner-logo.txt-logo {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.5rem;
  text-transform: uppercase;
  color: #777;
}

.review-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  height: 100%;
  padding: 3rem;
}

.review-stars {
  color: #FFB800; /* Premium gold */
  font-size: 1.5rem;
  letter-spacing: 2px;
  margin-bottom: 1.5rem;
}

.review-text {
  font-size: 1.15rem;
  line-height: 1.7;
  color: var(--text-main);
  font-style: italic;
  margin-bottom: 2.5rem;
  flex-grow: 1;
}

.review-author {
  display: flex;
  flex-direction: column;
}

.review-author strong {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  color: var(--text-main);
}

.review-author span {
  font-size: 0.95rem;
  color: var(--text-muted);
}

.reviews-swiper {
  width: 100%;
  padding-bottom: 4rem !important;
}

/* Portfolio Tabs */
.portfolio-tabs-section {
  padding: 100px 0;
  background-color: var(--bg-alt);
}

.tabs-header-wrapper {
  position: relative;
  max-width: 100%;
  margin-bottom: 50px;
}

.tabs-header-wrapper::before,
.tabs-header-wrapper::after {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  width: 40px;
  z-index: 2;
  pointer-events: none;
}

.tabs-header-wrapper::before {
  left: 0;
  background: linear-gradient(to right, var(--bg-alt), transparent);
}

.tabs-header-wrapper::after {
  right: 0;
  background: linear-gradient(to left, var(--bg-alt), transparent);
}

.tabs-header {
  display: flex;
  flex-wrap: nowrap;
  overflow-x: auto;
  gap: 12px;
  padding: 10px 20px;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none; /* Firefox */
}

.tabs-header::-webkit-scrollbar {
  display: none; /* Chrome/Safari */
}

.tab-btn {
  flex: 0 0 auto; /* Prevent shrinking */
  background: rgba(255, 255, 255, 0.5);
  border: 1px solid rgba(0, 0, 0, 0.05);
  padding: 12px 30px;
  border-radius: 40px;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--text-main);
  cursor: pointer;
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  white-space: nowrap;
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.tab-btn::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: linear-gradient(135deg, var(--accent), #ff4d4d);
  opacity: 0;
  transition: opacity 0.4s ease;
  z-index: -1;
}

.tab-btn span {
  position: relative;
  z-index: 2;
}

.tab-btn:hover {
  background: #ffffff;
  color: var(--text-main);
  box-shadow: 0 4px 20px rgba(0,0,0,0.06);
  transform: translateY(-2px);
}

.tab-btn.active {
  color: #ffffff;
  border-color: transparent;
  transform: scale(1.05);
  box-shadow: 0 10px 30px rgba(186, 12, 47, 0.3);
}

.tab-btn.active::before {
  opacity: 1;
}

.tabs-content {
  position: relative;
}

.tab-pane {
  display: none;
  animation: tabFadeIn 0.5s ease-out;
}

.tab-pane.active {
  display: block;
}

@keyframes tabFadeIn {
  from { opacity: 0; transform: translateY(15px); }
  to { opacity: 1; transform: translateY(0); }
}

.portfolio-masonry {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  grid-auto-rows: 280px;
  gap: 20px;
}

.portfolio-masonry a {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  display: block;
  height: 100%;
  box-shadow: 0 10px 30px rgba(0,0,0,0.05);
  background: #fff;
  transform-style: preserve-3d;
  transform: perspective(1000px);
}

.portfolio-masonry a.span-wide {
  grid-column: span 2;
}

.portfolio-masonry a.span-tall {
  grid-row: span 2;
}

@media (max-width: 768px) {
  .portfolio-masonry {
    grid-template-columns: 1fr;
    grid-auto-rows: 250px;
  }
  .portfolio-masonry a.span-wide, .portfolio-masonry a.span-tall {
    grid-column: span 1;
    grid-row: span 1;
  }
}

.masonry-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.165, 0.84, 0.44, 1);
  will-change: transform;
}

.portfolio-masonry a:hover .masonry-img {
  transform: scale(1.08) translateZ(-20px);
}

.zoom-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to top, rgba(0,0,0,0.6) 0%, rgba(0,0,0,0) 60%);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding-bottom: 2rem;
  opacity: 0;
  transition: opacity 0.4s ease;
  pointer-events: none;
  transform: translateZ(30px); /* 3D pop effect */
}

.portfolio-masonry a:hover .zoom-overlay {
  opacity: 1;
}

.zoom-overlay img {
  display: none !important;
}

.zoom-overlay::after {
  content: 'Смотреть';
  color: #fff;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 12px 28px;
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 30px;
  transform: translateY(20px);
  transition: transform 0.5s cubic-bezier(0.165, 0.84, 0.44, 1);
  box-shadow: 0 10px 20px rgba(0,0,0,0.2);
}

.portfolio-masonry a:hover .zoom-overlay::after {
  transform: translateY(0);
}

/* Lightbox Premium styling */
.glightbox-clean .gslide-media {
    border-radius: 12px;
    box-shadow: 0 20px 50px rgba(0,0,0,0.3);
}