/* ==========================================================================
   TELNOV.KZ — Stylesheet
   Modern, Dark & Cinematic Video Portfolio Design with Fullscreen Video Background
   ========================================================================== */

/* --- CSS Variables & Design Tokens --- */
:root {
  --color-bg-dark: #0f1211;
  --color-bg-card: rgba(20, 25, 23, 0.75);
  --color-bg-card-hover: rgba(28, 35, 32, 0.85);
  --color-text-main: #e2e2e2;
  --color-text-muted: #979797;
  --color-text-light: #ffffff;
  --color-accent: #68f8b1;
  --color-accent-hover: #73e8c0;
  --color-accent-glow: rgba(104, 248, 177, 0.35);
  --color-border: rgba(255, 255, 255, 0.15);
  --color-border-hover: rgba(104, 248, 177, 0.5);

  --font-serif: 'Cinzel', 'Georgia', serif;
  --font-sans: 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-body: 'Roboto', 'Montserrat', sans-serif;

  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);

  --shadow-subtle: 0 4px 20px rgba(0, 0, 0, 0.5);
  --shadow-elevated: 0 10px 30px rgba(0, 0, 0, 0.7);
  --shadow-glow: 0 0 25px var(--color-accent-glow);

  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-full: 9999px;
  
  --max-width: 1240px;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: var(--font-sans);
  color: var(--color-text-main);
  background-color: #101010;
  line-height: 1.65;
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* --- Fullscreen Video Background Layer --- */
.bg-video-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -3;
  overflow: hidden;
  pointer-events: none;
  background-color: #101010;
  background-image: url('assets/images/back2.jpg');
  background-position: center center;
  background-size: cover;
}

.bg-video-wrapper {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 100vw;
  height: 56.25vw; /* 16:9 ratio */
  min-height: 100vh;
  min-width: 177.77vh; /* 16:9 ratio */
  pointer-events: none;
  opacity: 0;
  transition: opacity 1.5s cubic-bezier(0.4, 0, 0.2, 1);
  will-change: opacity, transform;
}

.bg-video-wrapper.is-playing {
  opacity: 0.92;
}

.bg-video-wrapper iframe,
.bg-video-wrapper #bgVideoPlayer {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  border: none;
}

.bg-video-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -2;
  pointer-events: none;
  background: radial-gradient(circle at 50% 40%, rgba(10, 14, 12, 0.45) 0%, rgba(5, 7, 6, 0.82) 100%),
              linear-gradient(to bottom, rgba(10, 10, 10, 0.3) 0%, rgba(10, 10, 10, 0.7) 100%);
}

::selection {
  background-color: var(--color-accent);
  color: #000000;
}

a {
  color: var(--color-text-light);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover, a:focus {
  color: var(--color-accent);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

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

/* --- Typography --- */
h1, h2, h3 {
  font-family: var(--font-serif);
  font-weight: 400;
  color: var(--color-text-light);
  letter-spacing: 1px;
}

p {
  margin-bottom: 1.25rem;
  color: var(--color-text-main);
  font-size: 1.05rem;
  font-family: var(--font-body);
  line-height: 1.75;
}

/* --- Buttons & UI Elements --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 28px;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  border: 1px solid var(--color-text-light);
  color: var(--color-text-light);
  background-color: rgba(0, 0, 0, 0.3);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  transition: all var(--transition-normal);
  border-radius: 0;
  cursor: pointer;
}

.btn:hover, .btn:focus {
  background-color: var(--color-text-light);
  color: #101010;
  border-color: var(--color-text-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(255, 255, 255, 0.25);
}

/* --- Site Header & Sticky Navbar --- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 18px 0;
  transition: padding var(--transition-normal);
  background: transparent;
}

.site-header.scrolled {
  padding: 12px 0;
  background: transparent;
}

.header-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-logo {
  display: flex;
  flex-direction: column;
  text-decoration: none;
}

.logo-main {
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 1.4rem;
  letter-spacing: 3px;
  color: var(--color-text-light);
  text-transform: uppercase;
}

.logo-subtitle {
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 1.5px;
  color: var(--color-accent);
  text-transform: uppercase;
}

.main-nav .nav-list {
  display: flex;
  list-style: none;
  gap: 32px;
  align-items: center;
}

.nav-link {
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  position: relative;
  padding: 6px 0;
  color: var(--color-text-light);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-accent);
  transition: width var(--transition-fast);
}

.nav-link:hover::after, .nav-link:focus::after {
  width: 100%;
}

.header-socials {
  display: flex;
  align-items: center;
  gap: 14px;
}

.social-icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: var(--color-text-light);
  font-size: 0.95rem;
  transition: all var(--transition-fast);
  background-color: rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

.social-icon-btn:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  transform: translateY(-2px);
  background-color: rgba(104, 248, 177, 0.15);
  box-shadow: 0 0 12px var(--color-accent-glow);
}

.social-icon-btn.whatsapp-btn:hover {
  border-color: #25d366;
  color: #25d366;
  background-color: rgba(37, 211, 102, 0.15);
  box-shadow: 0 0 12px rgba(37, 211, 102, 0.4);
}

/* Mobile Designer Hamburger Button */
.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 12px;
  cursor: pointer;
  padding: 0;
  z-index: 1100;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.2);
  transition: all var(--transition-normal);
}

.mobile-menu-toggle:hover {
  background: rgba(104, 248, 177, 0.12);
  border-color: var(--color-accent);
  box-shadow: 0 0 16px var(--color-accent-glow), 0 4px 20px rgba(0, 0, 0, 0.4);
  transform: translateY(-1px);
}

.mobile-menu-toggle span {
  display: block;
  height: 2px;
  background: var(--color-text-light);
  border-radius: 2px;
  transition: all var(--transition-normal);
}

.mobile-menu-toggle span:nth-child(1) {
  width: 20px;
}

.mobile-menu-toggle span:nth-child(2) {
  width: 14px;
  align-self: flex-start;
  margin-left: 12px;
}

.mobile-menu-toggle span:nth-child(3) {
  width: 20px;
}

.mobile-menu-toggle:hover span {
  background: var(--color-accent);
}

.mobile-menu-toggle.active {
  background: rgba(104, 248, 177, 0.15);
  border-color: var(--color-accent);
  box-shadow: 0 0 16px var(--color-accent-glow);
}

.mobile-menu-toggle.active span {
  background: var(--color-accent);
}

.mobile-menu-toggle.active span:nth-child(1) {
  width: 20px;
  transform: translateY(7px) rotate(45deg);
}

.mobile-menu-toggle.active span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.mobile-menu-toggle.active span:nth-child(3) {
  width: 20px;
  transform: translateY(-7px) rotate(-45deg);
}

.mobile-drawer {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background-color: rgba(10, 12, 11, 0.98);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 32px;
  z-index: 1050;
  transform: translateY(-100%);
  transition: transform var(--transition-normal);
}

.mobile-drawer.active {
  transform: translateY(0);
}

.mobile-nav {
  display: flex;
  flex-direction: column;
  gap: 24px;
  text-align: center;
}

.mobile-nav-link {
  font-family: var(--font-serif);
  font-size: 1.75rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--color-text-light);
  transition: color var(--transition-fast);
}

.mobile-nav-link:hover {
  color: var(--color-accent);
}

.mobile-socials {
  display: flex;
  gap: 16px;
}

.mobile-socials .social-icon-btn {
  width: 44px;
  height: 44px;
  font-size: 1.2rem;
}

/* --- Hero Section --- */
.hero-section {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 140px 24px 80px 24px;
  text-align: center;
  overflow: hidden;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 900px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.hero-title {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-family: "Georgia", var(--font-serif);
  font-weight: 300;
  text-transform: uppercase;
  letter-spacing: 3px;
  color: var(--color-text-light);
  margin-bottom: 2rem;
  text-shadow: 0 4px 20px rgba(0, 0, 0, 0.85);
}

.hero-logo-wrap {
  margin: 1.5rem 0 3rem 0;
  max-width: 680px;
  width: 100%;
  animation: fadeInLogo 1.2s ease-out;
}

@keyframes fadeInLogo {
  from { opacity: 0; transform: scale(0.96); }
  to { opacity: 1; transform: scale(1); }
}

.hero-logo-img {
  width: 100%;
  height: auto;
  filter: drop-shadow(0 10px 25px rgba(0, 0, 0, 0.7));
}

.hero-actions {
  margin-top: 1rem;
}

.btn-hero {
  padding: 16px 36px;
  font-size: 0.875rem;
  letter-spacing: 2.5px;
}

/* --- Section Headers --- */
.section-heading {
  margin-bottom: 40px;
}

.section-title {
  font-size: clamp(2.2rem, 4vw, 3.5rem);
  margin-bottom: 16px;
  letter-spacing: 2px;
  color: var(--color-text-light);
  text-shadow: 0 4px 15px rgba(0, 0, 0, 0.8);
}

.divider-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  max-width: 600px;
  margin: 0 auto;
}

.divider-line {
  flex: 1;
  height: 2px;
  background-color: var(--color-accent);
  box-shadow: 0 0 8px var(--color-accent-glow);
}

.divider-text {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--color-accent);
  text-shadow: 0 0 10px var(--color-accent-glow);
}

/* --- Portfolio Section --- */
.portfolio-section {
  padding: 80px 0 120px 0;
  position: relative;
}

.filter-tabs-wrap {
  display: flex;
  justify-content: center;
  margin-bottom: 40px;
}

.filter-tabs {
  display: inline-flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  background: rgba(16, 20, 18, 0.75);
  padding: 6px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.filter-tab {
  padding: 8px 20px;
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--color-text-muted);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.filter-tab:hover {
  color: var(--color-text-light);
}

.filter-tab.active {
  background-color: var(--color-accent);
  color: #101010;
  box-shadow: 0 2px 10px var(--color-accent-glow);
}

/* Video Grid Layout */
.video-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.video-card {
  position: relative;
  background: #141716;
  border-radius: var(--radius-sm);
  overflow: hidden;
  cursor: pointer;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal), opacity var(--transition-normal);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: var(--shadow-subtle);
}

.video-card.hidden {
  display: none;
}

.video-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.8), 0 0 20px rgba(104, 248, 177, 0.25);
  border-color: rgba(104, 248, 177, 0.4);
}

.video-thumbnail-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background-color: #1a1e1c;
  overflow: hidden;
}

.video-thumb {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow), filter var(--transition-normal);
}

.video-card:hover .video-thumb {
  transform: scale(1.06);
  filter: brightness(0.85);
}

.video-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.35);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition-fast);
}

.video-card:hover .video-overlay {
  background: rgba(0, 0, 0, 0.5);
}

.play-btn {
  width: 54px;
  height: 54px;
  border-radius: var(--radius-full);
  background: rgba(16, 20, 18, 0.7);
  border: 2px solid var(--color-accent);
  color: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  padding-left: 3px;
  transition: all var(--transition-normal);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.6);
}

.video-card:hover .play-btn {
  transform: scale(1.15);
  background: var(--color-accent);
  color: #101010;
  box-shadow: 0 0 25px var(--color-accent-glow);
}

.video-category-badge {
  position: absolute;
  top: 12px;
  right: 12px;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  background: rgba(16, 20, 18, 0.85);
  color: var(--color-accent);
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(104, 248, 177, 0.3);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

/* --- About Section --- */
.about-section {
  padding: 80px 0 120px 0;
  position: relative;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.35fr;
  gap: 50px;
  align-items: center;
}

.about-image-card {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-elevated);
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.about-photo {
  width: 100%;
  height: auto;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.about-image-card:hover .about-photo {
  transform: scale(1.03);
}

.about-photo-badge {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 20px 24px;
  background: linear-gradient(to top, rgba(10, 12, 11, 0.95), rgba(10, 12, 11, 0));
  display: flex;
  flex-direction: column;
}

.about-photo-badge span {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 2px;
  color: var(--color-accent);
  text-transform: uppercase;
}

.about-photo-badge strong {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  color: var(--color-text-light);
  font-weight: 400;
}

.about-text-card {
  background: rgba(18, 22, 20, 0.75);
  border-radius: var(--radius-md);
  padding: 44px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: var(--shadow-elevated);
}

.about-lead {
  font-size: 1.15rem;
  color: var(--color-text-light);
}

.about-lead strong {
  color: var(--color-accent);
}

.about-cta {
  margin-top: 32px;
}

/* --- Contact Section --- */
.contact-section {
  padding: 100px 0 120px 0;
  position: relative;
}

.contact-box {
  max-width: 760px;
  margin: 0 auto;
  background: rgba(18, 22, 20, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-lg);
  padding: 60px 40px;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: var(--shadow-elevated);
}

.contact-icon {
  width: 70px;
  height: 70px;
  border-radius: var(--radius-full);
  background: rgba(104, 248, 177, 0.12);
  border: 1px solid var(--color-accent);
  color: var(--color-accent);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  margin-bottom: 24px;
  box-shadow: 0 0 20px var(--color-accent-glow);
}

.contact-title {
  font-size: clamp(2rem, 4vw, 3.2rem);
  margin-bottom: 16px;
  text-shadow: 0 4px 15px rgba(0, 0, 0, 0.8);
}

.contact-subtitle {
  font-size: 1.15rem;
  color: var(--color-text-main);
  max-width: 580px;
  margin: 0 auto 36px auto;
}

.contact-phone-wrap {
  margin-bottom: 40px;
}

.contact-phone-btn {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  font-family: var(--font-sans);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-text-light);
  background: rgba(37, 211, 102, 0.18);
  border: 1px solid rgba(37, 211, 102, 0.45);
  padding: 16px 36px;
  border-radius: var(--radius-full);
  transition: all var(--transition-normal);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

.contact-phone-btn i {
  font-size: 1.75rem;
  color: #25d366;
}

.contact-phone-btn:hover {
  background: #25d366;
  color: #101010;
  border-color: #25d366;
  box-shadow: 0 0 30px rgba(37, 211, 102, 0.5);
  transform: translateY(-3px);
}

.contact-phone-btn:hover i {
  color: #101010;
}

.contact-socials-list {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 20px;
}

.contact-social-item {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 22px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius-sm);
  color: var(--color-text-light);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  transition: all var(--transition-fast);
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

.contact-social-item:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background: rgba(104, 248, 177, 0.15);
  transform: translateY(-2px);
  box-shadow: 0 0 12px var(--color-accent-glow);
}

/* --- Footer --- */
.site-footer {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 40px 0;
  background: transparent;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
}

.footer-title {
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--color-text-light);
  display: block;
}

.footer-desc {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.footer-copy p {
  margin: 0;
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

/* --- Video Modal Lightbox --- */
.video-modal {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-normal), visibility var(--transition-normal);
}

.video-modal.open {
  opacity: 1;
  visibility: visible;
}

.video-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.video-modal-dialog {
  position: relative;
  z-index: 2010;
  width: 100%;
  max-width: 1000px;
  background: #000000;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.9), 0 0 30px rgba(104, 248, 177, 0.2);
  border: 1px solid rgba(104, 248, 177, 0.3);
  transform: scale(0.92);
  transition: transform var(--transition-normal);
}

.video-modal.open .video-modal-dialog {
  transform: scale(1);
}

.video-modal-close {
  position: absolute;
  top: 12px;
  right: 16px;
  z-index: 2020;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background: rgba(0, 0, 0, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: #ffffff;
  font-size: 2rem;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.video-modal-close:hover {
  background: var(--color-accent);
  color: #000000;
  border-color: var(--color-accent);
  transform: rotate(90deg);
}

.video-modal-iframe-wrap {
  position: relative;
  width: 100%;
  padding-bottom: 56.25%; /* 16:9 Aspect Ratio */
  height: 0;
  background-color: #000000;
}

.video-modal-iframe-wrap iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
}

/* --- Floating WhatsApp Button --- */
.floating-whatsapp {
  position: fixed;
  bottom: 30px;
  right: 30px;
  z-index: 990;
  width: 58px;
  height: 58px;
  border-radius: var(--radius-full);
  background: #25d366;
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.85rem;
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.45);
  transition: all var(--transition-normal);
  text-decoration: none;
}

.floating-whatsapp:hover {
  transform: scale(1.1) translateY(-4px);
  box-shadow: 0 10px 30px rgba(37, 211, 102, 0.65);
  color: #ffffff;
}

.floating-whatsapp-tooltip {
  position: absolute;
  right: 70px;
  background: rgba(16, 20, 18, 0.95);
  color: #ffffff;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-fast);
  border: 1px solid rgba(37, 211, 102, 0.3);
}

.floating-whatsapp:hover .floating-whatsapp-tooltip {
  opacity: 1;
}

/* --- Back to Top Button --- */
.back-to-top {
  position: fixed;
  bottom: 100px;
  right: 36px;
  z-index: 990;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  background: rgba(20, 24, 22, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: var(--color-text-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  background: var(--color-accent);
  color: #101010;
  border-color: var(--color-accent);
  transform: translateY(-4px);
  box-shadow: 0 6px 18px var(--color-accent-glow);
}

/* --- Responsive Media Queries --- */
@media (max-width: 1024px) {
  .video-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .about-image-card {
    max-width: 500px;
    margin: 0 auto;
  }

  .about-text-card {
    padding: 32px 24px;
  }
}

@media (max-width: 768px) {
  .main-nav, .header-socials {
    display: none;
  }

  .mobile-menu-toggle {
    display: flex;
  }

  .mobile-drawer {
    display: flex;
  }

  .video-grid {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .portfolio-section, .about-section, .contact-section {
    padding: 60px 0 80px 0;
  }

  .contact-box {
    padding: 40px 20px;
  }

  .contact-phone-btn {
    font-size: 1.15rem;
    padding: 14px 24px;
  }

  .floating-whatsapp {
    bottom: 20px;
    right: 20px;
    width: 50px;
    height: 50px;
    font-size: 1.6rem;
  }

  .back-to-top {
    bottom: 80px;
    right: 23px;
  }

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