@import url('https://fonts.googleapis.com/css2?family=Unbounded:wght@400;700&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+HK:wght@400;700&display=swap');

/* ===== ПЕРЕМЕННЫЕ ===== */
:root {

  /* ----- ГЛОБАЛЬНЫЕ ----- */
  --gl-color-black: #141414;
  --gl-color-white: #ededed;
  --gl-color-blue: linear-gradient(120deg, #48bbfa, #003ec2);
  --gl-color-gray: #c7c7c7;
  --gl-color-accent: #fd5227;
  --gl-color-link-active: #fd5227;
  --gl-shadow-default: rgba(0,0,0,0.15);
  --gl-blur-effect-crystal: rgba(255, 255, 255, 0.03);  
  --gl-blur-effect-light: rgba(255, 255, 255, 0.3);
  --gl-blur-effect-dark: rgba(0, 0, 0, 0.8);

  /* ----- ШРИФТЫ ----- */
  --font-heading-family: 'Unbounded', sans-serif;
  --font-body-family: 'Noto Sans HK', sans-serif;

  /* ----- ТЕКСТ ----- */
  --color-body-text: var(--gl-color-white);
  --font-body-size: clamp(16px, 2vw, 24px);

  /* ----- BTTON ----- */
  --color-btn-bg: var(--gl-color-accent);
  --color-btn-text: var(--gl-color-white);
  --color-btn-bg-hover: var(--gl-color-blue);

  --font-btn-size: clamp(16px, 2vw, 24px);
  --font-btn-scrolled-size: clamp(16px, 1vw, 18px);
  --font-card-btn-size: clamp(14px, 1.5vw, 16px);

  /* ----- MODAL ----- */
  --modal-bg: var(--gl-blur-effect-light);
  --modal-input-bg: rgba(255, 255, 255, 0.795);
  --modal-input-text: var(--gl-color-black);
  --modal-input-focus: var(--gl-color-link-active);
  --modal-error-color: var(--gl-color-accent);
  --modal-price-color: #10bf00;
  --modal-border-light: var(--gl-blur-effect-light);

  --modal-title: var(--gl-color-link-active);
  --modal-text: var(--gl-color-white);
  
  /* ----- HEADER ----- */
  --color-header-bg: var(--gl-blur-effect-light);
  --color-header-link: var(--gl-color-white);
  --color-header-link-hover: var(--gl-color-accent);

  --font-header-nav-size: clamp(25px, 1.2vw, 27px);
  --font-header-nav-scrolled-size: clamp(21px, 1.2vw, 23px);

  /* ----- ПРИВЕТСТВИЕ ----- */
  --color-welcome-title: var(--gl-color-white);
  --color-welcome-desc: var(--gl-color-white);

  --font-welcome-title-size: clamp(56px, 10vw, 200px);
  --font-welcome-desc-size: clamp(20px, 1.2vw, 25px);

  /* ----- ОБО МНЕ ----- */
  --color-about-title: var(--gl-color-link-active);
  --color-about-desc: var(--gl-color-white);
  --color-about-fact-bg: var(--gl-color-link-active);
  --color-about-fact-text: var(--gl-color-white);
  --color-about-decorate: var(--gl-color-white);
  --color-about-design: var(--gl-color-white);

  --font-about-title-size: clamp(44px, 5vw, 64px);
  --font-about-desc-size: clamp(18px, 1.8vw, 20px);
  --font-about-fact-size: clamp(14px, 1vw, 16px);
  --font-about-decorate-size: clamp(120px, 16vw, 240px);
  --font-about-design-size: clamp(32px, 6vw, 64px);

  /* ----- СКИЛЛЫ (стек) ----- */
  --color-skills-title: var(--gl-color-white);
  --color-skills-caption-bg: var(--gl-blur-effect-light);
  --color-skills-caption-text: var(--gl-color-white);

  --font-skills-title-size: clamp(100px, 8vw, 150px);
  --font-skills-caption-size: clamp(14px, 1.5vw, 18px);

  /* ----- УСЛУГИ ----- */
  --color-service-bg-card: var(--gl-blur-effect-light);
  --color-service-title: var(--gl-color-white);
  --color-service-sidebar-desc: var(--gl-color-white);
  --color-service-benefit-border: rgba(0,0,0,0.15);
  --color-service-benefit-check: var(--gl-color-white);
  --color-service-card-text: var(--gl-color-white);

  --font-service-name-title-size: clamp(100px, 8vw, 150px);
  --font-service-title-size: clamp(32px, 5vw, 56px);
  --font-service-subtitle-size: clamp(20px, 3vw, 32px);
  --font-service-desc-size: clamp(16px, 1.5vw, 18px);
  --font-service-benefit-size: clamp(14px, 1.5vw, 16px);
  --font-service-benefit-before-size: 18px;
  --font-service-card-title-size: clamp(18px, 2vw, 22px);
  --font-service-card-text-size: clamp(14px, 1.5vw, 16px);
  --font-service-card-price-size: clamp(20px, 2vw, 24px);

  /* ----- ФИЛЬТРЫ (услуги / проекты) ----- */
  --color-filter-bg: var(--gl-color-white);
  --color-filter-text: var(--gl-color-black);
  --color-filter-active-bg: var(--gl-color-link-active);
  --color-filter-active-text: var(--color-filter-text);

  --font-filter-size: clamp(13px, 1.3vw, 16px);

  /* ----- ПРОЕКТЫ ----- */
  --color-project-bg-detail: var(--gl-blur-effect-dark);
  --color-project-title: var(--gl-color-white);
  --color-project-detail-title: var(--gl-color-link-active);
  --color-project-skill-badge-bg: rgba(0, 0, 0, 0.65);
  --color-project-skill-badge-text: var(--gl-color-white);
  --color-project-detail-close: var(--gl-color-white);
  --color-project-detail-close-hover: var(--gl-color-white);
  --color-project-link-bg: var(--gl-color-white);
  --color-project-link-text: #0800ff;
  --color-project-link-hover: #cf71c7;
  --color-project-detail-text: var(--gl-color-white);

  --font-project-title-size: clamp(30px, 5vw, 50px);
  --font-project-desc-size: clamp(20px, 5vw, 20px);
  --font-project-card-title-size: clamp(22px, 3vw, 30px);

  /* ----- MARQUEE ----- */
  --color-marquee-accent: #78fb74;
  --color-marquee-text-white: var(--gl-color-white);
  --color-marquee-bg-black: var(--gl-color-black);
  --color-marquee-left-text: #78fb74;
  --color-marquee-left-border: #78fb74;
  
  --font-marquee-right-family: 'Roboto', sans-serif;
  --font-marquee-left-family: 'Roboto', sans-serif;
  --font-marquee-left-italic-family: 'Playfair Display', serif;

  --font-marquee-right-size: clamp(60px, 6vw, 80px);
  --font-marquee-left-size: clamp(60px, 4vw, 70px);

  /* ----- ФУТЕР ----- */
  --color-footer-bg: var(--gl-blur-effect-dark);

  --color-footer-link: var(--gl-color-white);
  --color-footer-link-hover: var(--gl-color-link-active);

  --color-footer-text: var(--gl-color-white);

  --font-footer-title-size: clamp(16px, 1vw, 18px);
  --font-footer-link-size: clamp(14px, 0.9vw, 16px);
  --font-footer-email-size: clamp(13px, 0.85vw, 15px);
  --font-footer-copyright-size: clamp(12px, 0.8vw, 14px);
  --font-footer-bottom-size: clamp(11px, 0.75vw, 13px);
}

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

html {
    scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  font-family: var(--font-body-family);
  color: var(--color-body-text);
  line-height: 1.5;
  font-size: var(--font-body-size);
  position: relative;
  background-color: #141414;
}

body::before {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: url("/static/img/background_image.28dad3100607.jpg");
  background-repeat: no-repeat;
  background-size: cover;
  background-position: center top;
  z-index: -1;
}

a {
  color: var(--color-body-text);
  text-decoration: none;
}

ul {
  list-style: none;
}

img, video {
  max-width: 100%;
  display: block;
}

.main {
  flex: 1;
}

.container {
  width: min(1600px, 92%);
  margin: 0 auto;
}

/* ----- КНОПКИ ----- */
.btn {
  display: inline-block;
  padding: clamp(12px, 2vw, 20px) clamp(24px, 4vw, 40px);
  margin: 3px;
  border-radius: 35px;
  font-weight: 700;
  font-size: var(--font-btn-size);
  background-color: var(--color-btn-bg);
  color: var(--color-btn-text);
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
  text-shadow: 0 0 2px rgba(0, 0, 0, 0.5);
}
.btn:hover {
  background: var(--gl-color-blue);
  transform: scale(1.05);
}
.scroll-reveal-letters {
  transition: opacity 0.2s ease;
}

/* ----- HEADER ----- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  padding: clamp(14px,2vw,25px) 0;
  transition: all 0.3s ease;
}
.header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.header__logo {
  margin-top: clamp(15px,2vw,25px);
  height: clamp(32px,4vw,60px);
  transition: height 0.3s ease;
}
.header__nav a {
  font-weight: 400;
  font-size: var(--font-header-nav-size);
  transition: color 0.3s ease, font-size 0.3s ease;
}
.header__list {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(12px,3vw,40px);
}
.header__list a {
  color: var(--color-header-link);
}
.header__list a:hover,
.header__list a.active {
  color: var(--color-header-link-hover);
}
.header--scrolled {
  padding: clamp(8px,1vw,15px) 0;
}
.header--scrolled .header__logo {
  height: clamp(28px,3vw,36px);
}
.header--scrolled .btn {
  font-size: var(--font-btn-scrolled-size);
}
.header--scrolled .header__nav a {
  font-size: var(--font-header-nav-scrolled-size);
}
.header__mobile-btn {
  display: none;
}


/* ----- BURGER ----- */
.burger {
  display: none;
  width: 36px;
  height: 28px;
  border: none;
  background: transparent;
  cursor: pointer;
  position: relative;
  z-index: 1001;
}

.burger span {
  position: absolute;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--gl-color-white);
  border-radius: 10px;
  transition: .3s ease;
}

.burger span:nth-child(1) {
  top: 0;
}

.burger span:nth-child(2) {
  top: 12px;
}

.burger span:nth-child(3) {
  top: 24px;
}

.burger.active span:nth-child(1) {
  top: 12px;
  transform: rotate(45deg);
}

.burger.active span:nth-child(2) {
  opacity: 0;
}

.burger.active span:nth-child(3) {
  top: 12px;
  transform: rotate(-45deg);
}


/* ----- WELCOME ----- */
.welcome {
  position: relative;
  overflow: hidden;
  min-height: 100vh;
  padding-top: clamp(200px, 8vw, 300px);
}
.welcome .container {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  justify-content: center;
}
.welcome__title {
  font-family: var(--font-heading-family);
  font-size: var(--font-welcome-title-size);
  font-weight: 700;
  line-height: 0.85;
  letter-spacing: clamp(2px,0.6vw,14px);
  color: var(--color-welcome-title);
  mix-blend-mode: difference;
}
.welcome__title span {
  display: block;
}
.welcome__video {
  margin-top: clamp(-115px,-5vw,-60px);
  width: clamp(360px, 70vw, 1100px);
  aspect-ratio: 16/9;
  object-fit: cover;
  z-index: -1;
}
.welcome__desc {
  margin: clamp(20px,1vw,40px);
  text-align: center;
  width: clamp(360px, 70vw, 1200px);
  font-size: var(--font-welcome-desc-size);
  color: var(--color-welcome-desc);
}
.welcome__actions {
  display: flex;
  gap: clamp(12px,1.4vw,20px);
  flex-wrap: wrap;
  justify-content: center;
}

/* ----- ABOUT ----- */
/* HERO */
.about-hero {
  position: relative;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  min-height: 100vh;
  background-color: #141414b6;
  overflow: hidden;
}
.about-hero__image {
  position: absolute;
  width: clamp(900px, 60%, 1200px);
  height: auto;
  top: 70%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 0;
  filter: brightness(0.8);
  transition: transform 0.4s cubic-bezier(0.2, 0.9, 0.4, 1.1), filter 0.4s ease;
  will-change: transform;
}
.about-hero__image:hover {
  transform: translate(-50%, -50%) scale(1.01);
  filter: brightness(0.95);
}
.about-hero__content {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 60px 5vw 50px;
  width: 100%;
  background: linear-gradient(to top, rgba(0,0,0,0.8) 0%, transparent 70%);
}
.about-hero__name {
  font-family: var(--font-heading-family);
  font-size: clamp(120px, 10vw, 170px);
  font-weight: 700;
  line-height: 1;
  color: var(--color-welcome-title);
  text-transform: uppercase;
  letter-spacing: 0.02em;
  text-shadow: 0 0 30px rgba(0,0,0,0.6);
  margin: 0 0 16px;
}
.about-hero__subtitle {
  font-size: clamp(22px, 3vw, 40px);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gl-color-accent);
  text-shadow: 0 0 15px rgba(0,0,0,0.5);
  opacity: 0.85;
}
/* Многослойный фоновый текст — крупный, цветной */
.about-hero__bg-text {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

.about-hero__bg-line {
  position: absolute;
  font-family: var(--font-heading-family);
  font-weight: 700;
  text-transform: uppercase;
  white-space: nowrap;
  letter-spacing: 0.03em;
  user-select: none;
  font-size: clamp(80px, 10vw, 180px);
  animation: mediumFloat 12s infinite alternate ease-in-out;
}

/* Цвета + наклоны 10-20 градусов */
.about-hero__bg-line--1 { 
  color: rgba(253, 249, 39, 0.05); 
  top: 5%; 
  right: -5%; 
  transform: rotate(15deg); 
  animation-duration: 10s; 
}    /* #fd5227 */

.about-hero__bg-line--2 { 
  color: rgba(44, 100, 255, 0.05); 
  top: 22%; 
  left: -8%; 
  transform: rotate(-12deg); 
  animation-duration: 13s; 
}   /* #003ec2 */

.about-hero__bg-line--3 { 
  color: rgba(253, 82, 39, 0.05); 
  top: 40%; 
  right: -10%; 
  transform: rotate(18deg); 
  animation-duration: 11s; 
}  /* #48bbfa */

.about-hero__bg-line--4 { 
  color: rgba(253, 249, 39, 0.05); 
  top: 58%; 
  left: -6%; 
  transform: rotate(-15deg); 
  animation-duration: 14s; 
}  /* #78fb74 */

.about-hero__bg-line--5 { 
  color: rgba(44, 100, 255, 0.05); 
  top: 75%; 
  right: -7%; 
  transform: rotate(20deg); 
  animation-duration: 9.5s; 
}  /* #cf71c7 */

.about-hero__bg-line--6 { 
  color: rgba(253, 249, 39, 0.1); 
  top: 88%; 
  left: -4%; 
  transform: rotate(-10deg); 
  animation-duration: 12.5s; 
}    /* #fd5227 */

/* СРЕДНЯЯ анимация — заметное движение, но без резкости */
@keyframes mediumFloat {
  0% {
    transform: translateX(-10px) translateY(0px) rotate(var(--rot-start));
    opacity: 0.5;
  }
  100% {
    transform: translateX(25px) translateY(-12px) rotate(var(--rot-end));
    opacity: 1;
  }
}

/* Индивидуальные углы вращения */
.about-hero__bg-line--1 { --rot-start: 15deg; --rot-end: 19deg; }
.about-hero__bg-line--2 { --rot-start: -12deg; --rot-end: -16deg; }
.about-hero__bg-line--3 { --rot-start: 18deg; --rot-end: 22deg; }
.about-hero__bg-line--4 { --rot-start: -15deg; --rot-end: -19deg; }
.about-hero__bg-line--5 { --rot-start: 20deg; --rot-end: 24deg; }
.about-hero__bg-line--6 { --rot-start: -10deg; --rot-end: -14deg; }

/* Адаптив: на мобилках тише */



/* МЕТРИКИ */
.fact {
  text-align: center;
  transition: transform 0.2s cubic-bezier(0.2, 0.9, 0.4, 1.1);
}
.fact:hover {
  transform: scale(1.05);
}
.fact__number {
  display: block;
  font-family: var(--font-heading-family);
  font-weight: 700;
  line-height: 1;
  color: var(--color-about-fact-bg);
}
.fact__label {
  display: block;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.about-metrics {
  text-align: center;
  padding: 220px 0;
}
.about-metrics__title {
  font-family: var(--font-heading-family);
  font-size: clamp(34px, 3.5vw, 48px);
  font-weight: 700;
  margin: 0 auto clamp(40px, 6vh, 60px);
  line-height: 1.3;
  color: var(--gl-color-white);
}
.about-metrics__grid {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  gap: clamp(30px, 6vw, 80px);
  flex-wrap: wrap;
}
.about-metrics .fact__number {
  font-size: clamp(56px, 9vw, 100px);
  margin-bottom: 8px;
}
.about-metrics .fact__label {
    font-size: clamp(20px, 9vw, 24px);
  color: var(--gl-color-white);
}

/* ДЕТАЛЬНЫЙ БЛОК */
.about-detail__text {
  padding: clamp(24px, 3vw, 40px);
  background: var(--gl-blur-effect-dark);
  backdrop-filter: blur(10px);
  border-radius: 20px;
  color: var(--gl-color-white);
}
.about-detail__title {
  font-family: var(--font-heading-family);
  font-size: var(--font-about-title-size);
  color: var(--color-about-title);
  margin-bottom: 20px;
}
.about-detail__description {
  font-size: var(--font-about-desc-size);
  line-height: 1.6;
  margin-bottom: 30px;
  color: var(--color-about-desc);
}
.about-detail__skill {
  margin-top: auto;
}
.about-detail__skill-title {
  font-size: 1.2rem;
  margin-bottom: 12px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-about-title);
}


/* ----- SKILL(home) ----- */
.skill {
  background: transparent;
  margin-top: clamp(60px, 8vw, 100px);
}
.skill__title {
  font-family: var(--font-heading-family);
  font-size: var(--font-service-name-title-size);
  font-weight: 700;
  color: var(--color-skills-title);
  margin-bottom: clamp(40px, 6vw, 70px);
  text-align: center;
  line-height: 1.1;
}
.skill__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(20px, 3vw, 40px);
  max-width: 1200px;
  margin: 0 auto;
}
.skill__item {
  margin: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.5s ease, transform 0.5s ease;
  transition-delay: calc(0.08s * var(--i, 0));
}
.skill__item.show {
  opacity: 1;
  transform: translateY(0);
}
.skill__item img {
  width: clamp(64px, 8vw, 100px);
  height: auto;
  aspect-ratio: 1/1;
  object-fit: contain;
  margin-bottom: 12px;
  filter: drop-shadow(0 4px 6px var(--gl-shadow-default));
  transition: transform 0.3s ease;
}
.skill__item img:hover {
  transform: scale(1.15);
}
.skill__item figcaption {
  font-size: var(--font-skills-caption-size);
  font-weight: 400;
  color: var(--color-skills-caption-text);
  padding: 6px 12px;
  border-radius: 20px;
  display: inline-block;
}

/* ----- SKILL(tag) ----- */
.skill-badge {
  display: inline-block;
  background: var(--gl-blur-effect-light);
  color: var(--color-project-skill-badge-text);
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 400;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.skill-badge:hover {
  transform: scale(1.15);
  box-shadow: 0 4px 12px var(--gl-shadow-default);
}
.project-detail__skills {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 16px 0;
}
.project-detail__info {
  position: sticky;
  top: 150px;
}
.project-card__skills-overlay {
  position: absolute;
  top: 12px;
  left: 12px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  z-index: 2;
}
.about-detail__skill-list {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 12px;
}

/* ----- SERVICES ----- */
.services-page {
  padding-top: clamp(200px, 8vw, 300px);
}
.services-preview {
  padding-top: clamp(60px, 5vw, 120px);
}
.services-layout {
  margin-top: 32px;
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: clamp(30px, 5vw, 60px);
  align-items: start;
}
.services-sidebar {
  position: sticky;
  top: var(--sidebar-top, 100px);
}

/* заголовки левой колонки */
.services-sidebar__title {
  font-family: var(--font-heading-family);
  font-size: var(--font-service-title-size);
  font-weight: 700;
  color: var(--color-service-title);
  line-height: 1.2;
  margin-bottom: clamp(24px, 4vw, 40px);
}
.services-sidebar__title span {
  display: block;
  font-size: var(--font-service-subtitle-size);
  color: var(--color-service-sidebar-subtitle);
  font-weight: 400;
  margin-top: clamp(12px, 2vw, 20px);
}
.services-sidebar__desc {
  font-size: var(--font-service-desc-size);
  line-height: 1.6;
  color: var(--color-service-sidebar-desc);
}
.services-sidebar__benefits {
  margin-bottom: clamp(20px, 3vw, 30px);
  list-style: none;
  padding: 0;
  margin-top: clamp(20px, 3vw, 30px);
}
.services-sidebar__benefits li {
  padding: clamp(8px, 1.5vw, 12px) 0;
  border-bottom: 1px solid var(--color-service-benefit-border);
  font-size: var(--font-service-benefit-size);
  display: flex;
  align-items: center;
  gap: 12px;
}
.services-sidebar__benefits li::before {
  content: "✓";
  color: var(--color-service-benefit-check);
  font-weight: 700;
  font-size: var(--font-service-benefit-before-size);
}

/* правая колонка */
.services-right {
  overflow: visible;
}
.services-grid-two {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(24px, 3vw, 40px);
  padding: 10px 5px 20px 5px;
}

.service-card {
  padding: 15px;
  border-radius: 20px;
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  display: flex;
  flex-direction: column;
  height: 100%;
}
.service-card:hover {
  transform: scale(1.05);
  position: relative;
  z-index: 10;
}

.service-card__img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: 12px;
  margin-bottom: 16px;
}

.service-card h3 {
  font-family: var(--font-heading-family);
  font-size: var(--font-service-card-title-size);
  margin-bottom: auto;
  font-weight: 700;
  flex-shrink: 0;
}

/* Кнопка в карточке */
.service-card .btn {
  padding: clamp(8px, 1.5vw, 10px) clamp(16px, 3vw, 24px);
  font-size: var(--font-card-btn-size);
  margin-top: 20px;
  align-self: center;
  background: transparent;
  outline: 2px solid var(--gl-color-accent);
  outline-offset: -2px;
  border: none;
  transition: all 0.3s ease;
}

.service-card .btn:hover {
  background: var(--gl-color-accent);
  outline: 2px solid var(--gl-color-blue);
  color: var(--gl-color-white);
}


/* ----- FILTERS ----- */

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(12px, 2vw, 20px);
  margin-bottom: clamp(20px, 6vw, 40px);
}

.filter {
  display: inline-block;
  padding: clamp(8px, 1vw, 14px)
           clamp(16px, 2vw, 28px);

  border-radius: 999px;
  border: 1px solid var(--gl-shadow-default);

  background: var(--color-filter-bg);
  color: var(--color-filter-text);

  text-decoration: none;
  font-size: var(--font-filter-size);
  line-height: 1.3;

  transition:
    transform .25s ease,
    background-color .25s ease,
    color .25s ease;
}

.filter:hover {
  transform: scale(1.08);
}

.filter.is-active {
  background: var(--color-filter-active-bg);
  color: var(--color-filter-active-text);
  border-color: var(--color-filter-active-bg);
}

/* ----- PROJECTS ----- */
.projects-page {
  padding-top: clamp(200px, 8vw, 300px);
}
.projects-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-top: 32px;
}
.project-card--full {
  grid-column: 1 / -1;
}
.project-card--half {
  grid-column: span 1;
}
.project-card {
  position: relative;
  overflow: hidden;
  border-radius: 12px;
  box-shadow: 0 4px 12px var(--gl-shadow-default);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  cursor: pointer;
}
.project-card::before,
.project-card::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  height: 30%;
  pointer-events: none;
  z-index: 1;
}
.project-card::before {
  top: 0;
  background: linear-gradient(
    to bottom,
    rgba(0, 0, 0, 0.8) 0%,
    rgba(0, 0, 0, 0.3) 50%,
    transparent 100%
  );
  border-radius: 12px 12px 0 0;
}
.project-card::after {
  bottom: 0;
  background: linear-gradient(
    to top,
    rgba(0, 0, 0, 0.8) 0%,
    rgba(0, 0, 0, 0.3) 50%,
    transparent 100%
  );
  border-radius: 0 0 12px 12px;
}

.project-card:hover {
  transform: scale(1.03);
  box-shadow: 0 12px 28px var(--gl-shadow-default);
}
.project-card__image {
  position: relative;
  width: 100%;
  overflow: hidden;
  aspect-ratio: 4 / 3;
}
.project-card--full .project-card__image {
  aspect-ratio: 3 / 1;
}
.project-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.project-card__title {
  font-family: var(--font-heading-family);
  position: absolute;
  left: 0;
  margin: 0;
  padding: 12px 20px;
  color: var(--color-project-title);
  font-size: var(--font-project-card-title-size);
  font-weight: 700;
  line-height: 1.3;
  max-width: 100%;
  box-sizing: border-box;
  z-index: 2;
  bottom: 30px;
}
.project-detail {
  margin-bottom: 40px;
  background: var(--color-project-bg-detail);
  backdrop-filter: blur(20px);
  border-radius: 16px;
  padding: 48px 32px 32px;
  position: relative;
  animation: fadeSlide 0.3s ease;
  scroll-margin-top: 250px;
}
@keyframes fadeSlide {
  from { opacity: 0; transform: translateY(-10px); }
  to   { opacity: 1; transform: translateY(0); }
}
.project-detail__close {
  position: absolute;
  top: 12px;
  right: 20px;
  background: none;
  border: none;
  font-size: 2.2rem;
  line-height: 1;
  cursor: pointer;
  color: var(--color-project-detail-close);
  transition: color 0.2s, transform 0.2s;
}
.project-detail__close:hover {
  color: var(--color-project-detail-close-hover);
  transform: scale(1.15);
}
.project-detail__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  align-items: start;
}
.project-detail__title {
  font-family: var(--font-heading-family);
  margin-top: 0;
  font-size: var(--font-project-title-size);
  color: var(--color-project-detail-title);
}
.project-detail__description {
  font-size: var(--font-project-desc-size);
  margin: 16px 0;
  line-height: 1.6;
  color: var(--color-project-detail-text);
}
.project-detail__description {
  font-size: var(--font-project-desc-size);
  margin: 16px 0;
  line-height: 1.6;
  color: var(--color-project-detail-text);
}
.project-detail__link {
  margin-top: 12px;
  background-color: var(--color-project-link-bg);
  color: var(--color-project-link-text);
  transition: background-color 0.3s;
}
.project-detail__link:hover {
  background-color: var(--color-project-link-hover);
}
.project-detail__gallery {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.project-detail__gallery img {
  width: 100%;
  border-radius: 8px;
  object-fit: cover;
  box-shadow: 0 2px 8px var(--gl-shadow-default);
  cursor: zoom-in;
}

/* ----- FOOTER ----- */
.footer {
  background: var(--color-footer-bg);
  padding: 24px 0 14px;
  margin-top: clamp(50px, 6vw, 80px);
}

.footer__content {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 42px;
}

.footer__column {
  display: flex;
  flex-direction: column;
}

.footer__column--logo {
  justify-content: center;
  align-items: center;
}

.footer__column--nav,
.footer__column--contacts {
  justify-content: center;
  align-items: flex-start;
}

.footer__divider {
  width: 1px;
  height: 70px;
  background: rgba(255, 255, 255, 0.08);
  flex-shrink: 0;
}

.footer__logo {
  width: 150px;
  display: block;
}

.footer__nav {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-bottom: 8px;
}

.footer__link {
  color: var(--color-footer-link);
  font-size: var(--font-footer-link-size);
  opacity: 0.75;
}

.footer__link:hover,
.footer__link.active {
  color: var(--color-footer-link-hover);
  opacity: 1;
}

.footer__copyright {
  margin: 0;
  font-size: var(--font-footer-copyright-size);
  opacity: 0.45;
}

.footer__title {
  color: var(--color-footer-text);
  font-size: var(--font-footer-title-size);
  font-weight: 400;
}

.footer__column--contacts {
  margin-left: 150px;
  gap: 8px;
}

.footer__socials-icons {
  display: flex;
  gap: 12px;
}

.footer__socials-link img {
  width: 24px;
  height: 24px;
  transition: transform 0.25s ease;
}

.footer__socials-link:hover img {
  transform: translateY(-2px);
}

.footer__email {
  color: var(--color-footer-link);
  font-size: var(--font-footer-email-size);
  opacity: 0.7;
}

.footer__email:hover {
  color: var(--color-footer-link-hover);
  opacity: 1;
}

.footer__bottom {
  margin-top: 18px;
  padding-top: 10px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);

  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;

  font-size: var(--font-footer-bottom-size);
}

.footer__bottom a {
  opacity: 0.7;
  color: var(--color-footer-link);
}

.footer__bottom a:hover {
  opacity: 1;
}