/* ============================================
   FONTS
============================================ */
@font-face {
    font-family: 'TT Interphases Pro';
    src: url('../fonts/TT Interphases Pro Thin.woff2') format('woff2'),
         url('../fonts/TT Interphases Pro Thin.woff') format('woff');
    font-weight: 100;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'TT Interphases Pro';
    src: url('../fonts/TT Interphases Pro Regular.woff2') format('woff2'),
         url('../fonts/TT Interphases Pro Regular.woff') format('woff');
    font-weight: 400;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'TT Interphases Pro';
    src: url('../fonts/TT Interphases Pro Bold.woff2') format('woff2'),
         url('../fonts/TT Interphases Pro Bold.woff') format('woff');
    font-weight: 700;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'TT Interphases Pro';
    src: url('../fonts/TT Interphases Pro Black.woff2') format('woff2'),
         url('../fonts/TT Interphases Pro Black.woff') format('woff');
    font-weight: 900;
    font-style: normal;
    font-display: swap;
}

/* ============================================
   CSS VARIABLES
============================================ */
:root {
    --color-primary: #111111;
    --color-secondary: #1a1a1a;
    --color-accent: #e20613;
    --color-accent-light: #ff1f2d;
    --color-text: #333333;
    --color-text-light: #666666;
    --color-text-muted: #999999;
    --color-white: #ffffff;
    --color-bg: #f8f8f8;
    --color-bg-dark: #0a0a0a;

    --font-primary: 'TT Interphases Pro', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    --transition-slower: 0.8s cubic-bezier(0.4, 0, 0.2, 1);

    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.12);
    --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.15);

    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-xl: 24px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
    overflow-y: hidden;
}

body.loaded {
    overflow-y: auto;
}

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

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-normal);
}

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

ul, ol {
    list-style: none;
}

/* ============================================
   LAYOUT
============================================ */
.container {
    max-width: 1320px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ============================================
   ANIMATIONS
============================================ */
@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes scrollLine {
    0% {
        transform: translateY(0);
        opacity: 1;
    }
    50% {
        transform: translateY(20px);
        opacity: 0;
    }
    51% {
        transform: translateY(-20px);
        opacity: 0;
    }
    100% {
        transform: translateY(0);
        opacity: 1;
    }
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

@keyframes shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

.animate-fade-up {
    opacity: 0;
    animation: fadeUp 0.8s var(--transition-slower) forwards;
}

.delay-1 { animation-delay: 0.15s; }
.delay-2 { animation-delay: 0.3s; }
.delay-3 { animation-delay: 0.45s; }
.delay-4 { animation-delay: 0.6s; }

/* Scroll animations */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s var(--transition-slower);
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* ============================================
   HEADER
============================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 24px 0;
    transition: var(--transition-normal);
}

.header.scrolled {
    padding: 16px 0;
    background: rgba(17, 17, 17, 0.95);
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-lg);
}

.header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
}

.logo img {
    height: 24px;
    width: auto;
}

.nav {
    display: flex;
    align-items: center;
    gap: 24px;
}

.nav-logo-mobile {
    display: none;
}

.nav-callback-btn {
    display: none;
}

.nav-link {
    color: var(--color-white);
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    position: relative;
    padding: 8px 0;
}

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

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

.header-callback-btn {
    padding: 10px 20px;
    background: var(--color-accent);
    color: var(--color-white);
    font-family: inherit;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.5px;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition-normal);
}

.header-callback-btn:hover {
    background: var(--color-accent-light);
    transform: translateY(-1px);
}

.nav-icons {
    display: none;
}

.header-icons {
    display: flex;
    align-items: center;
    gap: 8px;
}

.header-icon-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: var(--radius-sm);
    border: 1px solid rgba(255, 255, 255, 0.25);
    color: var(--color-white);
    transition: var(--transition-normal);
    flex-shrink: 0;
    cursor: pointer;
}

.header-icon-btn:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
    transform: translateY(-1px);
}

.header-phone-mobile {
    display: none;
}

.burger {
    display: none;
    flex-direction: column;
    gap: 6px;
    padding: 8px;
}

.burger span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-white);
    transition: var(--transition-normal);
}

/* ============================================
   HERO
============================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background-image: url('../img/home.webp');
    background-size: cover;
    background-position: center 60%;
    background-repeat: no-repeat;
}

@media (min-width: 769px) {
    .hero-bg {
        background-attachment: fixed;
    }
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background:
        linear-gradient(180deg, rgba(10, 10, 10, 0.4) 0%, rgba(10, 10, 10, 0.6) 50%, rgba(10, 10, 10, 0.8) 100%),
        radial-gradient(ellipse at 20% 80%, rgba(226, 6, 19, 0.1) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(226, 6, 19, 0.05) 0%, transparent 40%);
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 1280px;
    padding: 120px 24px 80px;
}

.hero-label {
    display: inline-block;
    color: #fff;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 3px;
    text-transform: uppercase;
    margin-bottom: 24px;
    padding: 12px 24px;
    border: 1px solid #fff;
    border-radius: 50px;
}

.hero-title {
    color: var(--color-white);
    font-size: clamp(32px, 7vw, 68px);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 24px;
    letter-spacing: -1px;
}

.hero-subtitle {
    color: #fff;
    font-size: clamp(20px, 3vw, 28px);
    font-weight: 500;
    margin-bottom: 16px;
}

.hero-desc {
    color: rgba(255, 255, 255, 0.7);
    font-size: 18px;
    max-width: 600px;
    margin: 0 auto 48px;
}

.hero-buttons {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

/* ============================================
   BUTTONS
============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 16px 36px;
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    border-radius: var(--radius-sm);
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transform: translateX(-100%);
    transition: var(--transition-slow);
}

.btn:hover::before {
    transform: translateX(100%);
}

.btn-primary {
    background: var(--color-accent);
    color: #fff;
}

.btn-primary:hover {
    background: var(--color-accent-light);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(226, 6, 19, 0.3);
}

.btn-outline-light {
    background: transparent;
    color: var(--color-white);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.btn-outline-light:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--color-white);
}

.btn-outline {
    background: transparent;
    color: var(--color-primary);
    border: 1px solid var(--color-primary);
}

.btn-outline:hover {
    background: var(--color-primary);
    color: var(--color-white);
}

.btn-full {
    width: 100%;
}

.btn svg {
    width: 20px;
    height: 20px;
    transition: var(--transition-normal);
}

.btn:hover svg {
    transform: translateX(4px);
}

/* ============================================
   SECTIONS
============================================ */
.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 64px;
}

.section-label {
    display: inline-block;
    color: var(--color-accent);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 3px;
    text-transform: uppercase;
    margin-bottom: 16px;
}

.section-title {
    font-size: clamp(32px, 5vw, 40px);
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 20px;
    line-height: 1.2;
}

.section-subtitle {
    font-size: 18px;
    color: var(--color-text-light);
    line-height: 1.6;
}

/* ============================================
   PROJECTS - SCROLL TRIGGERED
============================================ */
.projects-scroll {
    background: var(--color-bg);
    transition: opacity 0.4s ease 0.1s;
}

body.loaded .projects-scroll {
    opacity: 1 !important;
}

.projects-scroll-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    min-height: 100vh;
}

/* Left Column - Text */
.projects-text-column {
    padding: 120px 80px 120px 0;
    margin-left: auto;
    max-width: 600px;
}

.projects-text-intro {
    margin-bottom: 80px;
    padding-left: 60px;
}

.projects-text-intro .section-title {
    text-align: left;
}

.projects-text-intro .section-subtitle {
    text-align: left;
}

.project-text-item {
    padding: 60px;
    padding-left: 60px;
    margin-bottom: 40px;
    border-left: 2px solid transparent;
    opacity: 0.3;
    transform: translateX(-20px);
    transition: all 0.5s ease;
}

.project-text-item:first-of-type,
.project-text-item.active {
    opacity: 1;
    transform: translateX(0);
    border-left-color: var(--color-accent);
    background: var(--color-white);
    border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
    box-shadow: var(--shadow-lg);
}

.project-text-item:first-of-type:not(.active) {
    /* Reset when JS takes over and another item is active */
}

.project-text-item.active ~ .project-text-item:first-of-type {
    opacity: 0.3;
    transform: translateX(-20px);
    border-left-color: transparent;
    background: transparent;
    box-shadow: none;
}

.project-number {
    display: inline-block;
    font-size: 14px;
    font-weight: 700;
    color: var(--color-accent);
    margin-bottom: 16px;
    letter-spacing: 2px;
}

.project-text-title {
    font-size: 34px;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 8px;
    line-height: 1.2;
}

.project-text-location {
    font-size: 14px;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 12px;
}

.project-text-desc {
    font-size: 16px;
    color: var(--color-text-light);
    line-height: 1.7;
    margin-bottom: 28px;
}

.project-text-details {
    display: flex;
    gap: 20px;
    margin-bottom: 28px;
    padding-bottom: 28px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
}

.project-text-detail {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.project-text-detail span {
    font-size: 11px;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.project-text-detail strong {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-primary);
    white-space: nowrap;
}

/* Right Column - Sticky Image */
.projects-image-column {
    position: relative;
    background: var(--color-primary);
}

.projects-image-sticky {
    position: sticky;
    top: 0;
    height: 100vh;
    overflow: hidden;
}

.project-image-wrapper {
    position: absolute;
    inset: 0;
    opacity: 0;
    transition: opacity 0.6s ease, transform 0.6s ease;
    transform: scale(1.05);
}

.project-image-wrapper:first-of-type,
.project-image-wrapper.active {
    opacity: 1;
    transform: scale(1);
}

.project-image-wrapper.active ~ .project-image-wrapper:first-of-type {
    opacity: 0;
    transform: scale(1.05);
}

.project-image-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.project-image-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        rgba(0, 0, 0, 0.3) 0%,
        rgba(0, 0, 0, 0.1) 50%,
        rgba(0, 0, 0, 0.4) 100%
    );
}

/* Progress Indicator */
.projects-progress {
    position: absolute;
    left: 40px;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 200px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 2px;
}

.projects-progress-bar {
    width: 100%;
    height: 20%;
    background: var(--color-accent);
    border-radius: 2px;
    transition: height 0.3s ease, top 0.3s ease;
    position: relative;
    top: 0;
}

/* Responsive */
@media (max-width: 1200px) {
    .projects-text-column {
        padding: 100px 60px 100px 40px;
    }

    .projects-text-intro {
        padding-left: 40px;
    }

    .project-text-item {
        padding: 40px;
        padding-left: 40px;
    }

    .project-text-title {
        font-size: 30px;
    }
}

@media (max-width: 992px) {
    .projects-scroll-container {
        grid-template-columns: 1fr;
    }

    .projects-text-column {
        padding: 80px 24px;
        max-width: 100%;
        order: 2;
    }

    .projects-text-intro {
        padding-left: 24px;
        margin-bottom: 40px;
    }

    .project-text-item {
        padding: 32px 24px;
        margin-bottom: 24px;
    }

    .projects-image-column {
        height: 50vh;
        order: 1;
    }

    .projects-image-sticky {
        position: relative;
        height: 100%;
    }

    .projects-progress {
        display: none;
    }

    .project-text-details {
        flex-wrap: wrap;
        gap: 20px;
    }
}

@media (max-width: 480px) {
    .project-text-title {
        font-size: 26px;
    }

    .project-text-details {
        flex-direction: column;
        gap: 16px;
    }
}

/* ============================================
   ADVANTAGES
============================================ */
.advantages {
    padding: 120px 0;
    background: var(--color-white);
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
}

.advantage-card {
    position: relative;
    padding: 40px 32px;
    background: var(--color-bg);
    border-radius: var(--radius-lg);
    transition: var(--transition-normal);
    overflow: hidden;
}

.advantage-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--color-accent);
    transform: scaleX(0);
    transition: var(--transition-normal);
}

.advantage-card:hover::before {
    transform: scaleX(1);
}

.advantage-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.advantage-number {
    position: absolute;
    top: 20px;
    right: 20px;
    font-size: 48px;
    font-weight: 900;
    color: rgba(0, 0, 0, 0.03);
    line-height: 1;
}

.advantage-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-white);
    border-radius: var(--radius-md);
    margin-bottom: 24px;
    color: var(--color-accent);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
}

.advantage-card:hover .advantage-icon {
    background: var(--color-accent);
    color: var(--color-white);
}

.advantage-icon svg {
    width: 28px;
    height: 28px;
}

.advantage-card h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 12px;
}

.advantage-card p {
    font-size: 15px;
    color: var(--color-text-light);
    line-height: 1.6;
}

/* ============================================
   STATS
============================================ */
.stats {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 48px;
    text-align: center;
}

.stat-item {
    position: relative;
}

.stat-item:not(:last-child)::after {
    content: '';
    position: absolute;
    right: -24px;
    top: 50%;
    transform: translateY(-50%);
    width: 1px;
    height: 60px;
    background: rgba(255, 255, 255, 0.1);
}

.stat-number {
    display: block;
    font-size: clamp(36px, 5vw, 56px);
    font-weight: 700;
    color: var(--color-accent);
    line-height: 1;
    margin-bottom: 12px;
}

.stat-label {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ============================================
   CONTACT
============================================ */
.contact {
    padding: 120px 0;
    background: var(--color-bg);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: start;
}

.contact-info .section-title {
    text-align: left;
}

.contact-info .section-label {
    display: block;
    text-align: left;
}

.contact-desc {
    font-size: 18px;
    color: var(--color-text-light);
    margin-bottom: 40px;
    line-height: 1.6;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 24px;
    margin-bottom: 40px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 20px;
    background: var(--color-white);
    border-radius: var(--radius-md);
    transition: var(--transition-normal);
}

.contact-item:hover {
    transform: translateX(8px);
    box-shadow: var(--shadow-md);
}

.contact-icon {
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(226, 6, 19, 0.1);
    border-radius: var(--radius-md);
    color: var(--color-accent);
    flex-shrink: 0;
}

.contact-icon svg {
    width: 24px;
    height: 24px;
}

.contact-text {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.contact-label {
    font-size: 12px;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.contact-value {
    font-size: 16px;
    font-weight: 600;
    color: var(--color-primary);
}

.social-links {
    display: flex;
    gap: 16px;
}

.social-link {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-white);
    border-radius: var(--radius-md);
    color: var(--color-primary);
    transition: var(--transition-normal);
    cursor: pointer;
}

.social-link:hover {
    background: var(--color-accent);
    color: var(--color-white);
    transform: translateY(-4px);
}

.social-link svg {
    width: 22px;
    height: 22px;
}

.social-link-text span {
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.5px;
}

/* Contact Form */
.contact-form {
    background: var(--color-white);
    padding: 48px;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

.contact-form h3 {
    font-size: 28px;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 32px;
}

.form-group {
    position: relative;
    margin-bottom: 24px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 18px 20px;
    font-family: inherit;
    font-size: 16px;
    color: var(--color-text);
    background: var(--color-bg);
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    transition: var(--transition-normal);
    outline: none;
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--color-accent);
    background: var(--color-white);
}

.form-group label {
    position: absolute;
    left: 20px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 16px;
    color: var(--color-text-muted);
    pointer-events: none;
    transition: var(--transition-normal);
}

.form-group textarea ~ label {
    top: 18px;
    transform: none;
}

.form-group input:focus ~ label,
.form-group input:not(:placeholder-shown) ~ label,
.form-group select:focus ~ label,
.form-group select:valid ~ label,
.form-group textarea:focus ~ label,
.form-group textarea:not(:placeholder-shown) ~ label {
    top: -10px;
    left: 16px;
    font-size: 12px;
    color: var(--color-accent);
    background: var(--color-white);
    padding: 0 8px;
    transform: none;
}

.form-group select ~ label {
    top: -10px;
    left: 16px;
    font-size: 12px;
    background: var(--color-white);
    padding: 0 8px;
}

.form-notice {
    margin-top: 16px;
    font-size: 13px;
    color: var(--color-text-muted);
    text-align: center;
}

/* ============================================
   FOOTER
============================================ */
.footer {
    background: var(--color-bg-dark);
    padding: 80px 0 32px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 64px;
    padding-bottom: 48px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand .logo img {
    height: 36px;
    margin-bottom: 20px;
}

.footer-brand p {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.7;
    max-width: 320px;
}

.footer-links h4 {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-white);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 24px;
}

.footer-links a,
.footer-links p {
    display: block;
    font-size: 15px;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 12px;
    transition: var(--transition-normal);
}

.footer-links a:hover {
    color: var(--color-accent);
    transform: translateX(4px);
}

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 32px;
}

.footer-bottom p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.4);
}

.footer-social {
    display: flex;
    gap: 16px;
}

.footer-social a {
    font-size: 13px;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.6);
    padding: 8px 16px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-sm);
    transition: var(--transition-normal);
    cursor: pointer;
}

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

/* Button to Top */
.btn-to-top {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-sm);
    color: rgba(255, 255, 255, 0.6);
    font-family: inherit;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-normal);
}

.btn-to-top:hover {
    background: var(--color-accent);
    border-color: var(--color-accent);
    color: var(--color-white);
}

.btn-to-top svg {
    width: 18px;
    height: 18px;
    transition: var(--transition-normal);
}

.btn-to-top:hover svg {
    transform: translateY(-3px);
}

/* ============================================
   RESPONSIVE
============================================ */
@media (max-width: 1200px) {
    .advantages-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-content {
        grid-template-columns: 1fr 1fr;
        gap: 48px;
    }
}

@media (max-width: 992px) {
    .nav {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        width: 100vw;
        height: 100vh;
        min-height: 100vh;
        background: #111111;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 16px;
        z-index: 9998;
        overflow-y: auto;
    }

    .nav.active {
        display: flex !important;
    }

    .nav .nav-link {
        font-size: 18px;
        padding: 8px 16px;
        color: #ffffff !important;
        position: relative;
        z-index: 9999;
    }

    .nav .nav-logo-mobile {
        display: block;
        position: absolute;
        top: 32px;
        left: 16px;
    }

    .nav .nav-logo-mobile img {
        height: 22px;
        width: auto;
    }

    .nav .nav-callback-btn {
        display: block;
        margin-top: 32px;
        padding: 16px 40px;
        background: var(--color-accent);
        color: #ffffff;
        font-family: inherit;
        font-size: 16px;
        font-weight: 600;
        text-transform: uppercase;
        letter-spacing: 1px;
        border: none;
        border-radius: var(--radius-sm);
        cursor: pointer;
        transition: var(--transition-normal);
    }

    .nav .nav-callback-btn:hover {
        background: var(--color-accent-light);
    }

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

    .header-phone-mobile {
        display: flex;
        align-items: center;
    }

    .burger {
        display: flex;
        z-index: 10000;
        position: relative;
    }

    .burger.active span:nth-child(1) {
        transform: rotate(45deg) translate(6px, 6px);
    }

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

    .burger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(6px, -6px);
    }

    body.menu-open {
        overflow: hidden !important;
        position: fixed;
        width: 100%;
    }

    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 32px;
    }

    .stat-item:not(:last-child)::after {
        display: none;
    }
}

@media (max-width: 768px) {
    .hero-content {
        padding: 100px 16px 60px;
    }

    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }

    .hero-buttons .btn {
        width: 100%;
    }

    .advantages-grid {
        grid-template-columns: 1fr;
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }

    .contact-form {
        padding: 32px 24px;
    }

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

    .footer-bottom {
        flex-direction: column;
        gap: 24px;
        text-align: center;
    }

    .header-callback-btn {
        display: none;
    }

    .logo img {
        height: 22px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }

    .projects,
    .advantages,
    .contact {
        padding: 80px 0;
    }

    .section-header {
        margin-bottom: 48px;
    }

    .project-image {
        height: 220px;
    }

    .project-content {
        padding: 24px;
    }

    .project-details {
        flex-direction: column;
        gap: 16px;
    }
}

/* ============================================
   RESIDENCES SLIDER
============================================ */
.residences-section {
    background: var(--color-bg-dark);
    padding: 80px 0;
    overflow: hidden;
}

.residences-section-alt {
    background: var(--color-primary);
}

.residences-section-alt .residence-card-info {
    background: linear-gradient(180deg, var(--color-secondary) 0%, #0f0f0f 100%);
}

.residences-slider-wrapper {
    position: relative;
    max-width: 1600px;
    margin: 0 auto;
    padding: 0 80px;
}

/* Navigation Arrows */
.slider-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 10;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--color-white);
    cursor: pointer;
    transition: var(--transition-normal);
    display: flex;
    align-items: center;
    justify-content: center;
}

.slider-arrow:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.4);
}

.slider-arrow:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.slider-arrow svg {
    width: 24px;
    height: 24px;
}

.slider-arrow-prev {
    left: 10px;
}

.slider-arrow-next {
    right: 10px;
}

/* Swiper Container */
.residences-swiper {
    overflow: visible;
    padding-bottom: 60px;
}

.residences-swiper .swiper-slide {
    height: auto;
    width: 380px;
}

/* Residence Card Base */
.residence-card {
    height: 580px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    position: relative;
    background-size: cover;
    background-position: center;
    display: flex;
    flex-direction: column;
}

/* Info Card (First Slide) */
.residence-card-info {
    background: linear-gradient(180deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    display: flex;
    flex-direction: column;
}

.residence-info-content {
    padding: 40px 32px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.residence-project-title {
    font-size: 32px;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.residence-price {
    font-size: 18px;
    color: #fff;
    font-weight: 500;
    letter-spacing: 0.03em;
    margin-top: 16px;
}

.residence-project-desc {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.7;
    margin-bottom: auto;
}

.btn-back-projects {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: 24px;
    padding: 10px 20px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: rgba(255, 255, 255, 0.8);
    font-size: 14px;
    letter-spacing: 0.05em;
    text-decoration: none;
    text-transform: uppercase;
    transition: var(--transition-normal);
    cursor: pointer;
    background: rgba(0, 0, 0, 0.3);
}

.btn-back-projects:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.6);
    color: #fff;
}

.residence-info-image {
    height: 200px;
    overflow: hidden;
}

.residence-info-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Regular Residence Cards */
.residence-card-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        180deg,
        rgba(0, 0, 0, 0.3) 0%,
        rgba(0, 0, 0, 0.1) 30%,
        rgba(0, 0, 0, 0.1) 70%,
        rgba(0, 0, 0, 0.5) 100%
    );
}

.residence-card-content {
    position: relative;
    z-index: 2;
    height: 100%;
    padding: 24px;
    display: flex;
    flex-direction: column;
}

/* Specs Table */
.residence-specs {
    width: 100%;
    border-collapse: collapse;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-md);
    overflow: hidden;
    margin-bottom: 16px;
}

.residence-specs td {
    padding: 12px 16px;
    font-size: 13px;
    color: var(--color-white);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.residence-specs tr:last-child td {
    border-bottom: none;
}

.residence-specs td:first-child {
    color: rgba(255, 255, 255, 0.6);
    width: 55%;
}

.residence-specs td:last-child {
    text-align: right;
    font-weight: 500;
}

.residence-specs-second {
    margin-top: auto;
}

/* Card Actions Row */
.card-actions {
    margin-top: auto;
    display: flex;
    align-items: center;
    gap: 8px;
}

/* View Plan Button */
.btn-view-plan {
    flex: 1;
    padding: 16px 20px;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-md);
    color: var(--color-white);
    font-family: inherit;
    font-size: 14px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    transition: var(--transition-normal);
}

.btn-view-plan:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.5);
}

/* Icon buttons in card context match header size */
.card-actions .header-icon-btn {
    width: 52px;
    height: 52px;
    flex-shrink: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(10px);
}

/* Conversion Form Card */
.residence-card-form {
    background: linear-gradient(160deg, #1c1c1c 0%, #0d0d0d 100%);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.residence-card-form-inner {
    padding: 28px 24px;
    display: flex;
    flex-direction: column;
    height: 100%;
    box-sizing: border-box;
    gap: 20px;
}

.residence-form-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--color-white);
    line-height: 1.3;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin: 0;
    text-align: center;
}

.residence-form-subtitle {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.55);
    line-height: 1.55;
    margin: 6px 0 0;
    text-align: center;
}

.residence-form-header {
    flex-shrink: 0;
}

.residence-form-bullets {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 9px;
    flex-shrink: 0;
}

.residence-form-bullets li {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.7);
    padding-left: 18px;
    position: relative;
    line-height: 1.4;
}

.residence-form-bullets li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--color-accent);
    font-size: 15px;
    line-height: 1.1;
}

.residence-inline-form {
    display: flex;
    flex-direction: column;
    gap: 8px;
    flex-shrink: 0;
}

.residence-form-phone {
    width: 100%;
    padding: 13px 16px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-md);
    color: var(--color-white);
    font-family: inherit;
    font-size: 14px;
    outline: none;
    transition: var(--transition-normal);
    box-sizing: border-box;
}

.residence-form-phone::placeholder {
    color: rgba(255, 255, 255, 0.35);
}

.residence-form-phone:focus {
    border-color: var(--color-accent);
    background: rgba(255, 255, 255, 0.12);
}

.residence-form-submit {
    width: 100%;
    padding: 13px 20px;
    background: var(--color-accent);
    border: none;
    border-radius: var(--radius-md);
    color: var(--color-white);
    font-family: inherit;
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    cursor: pointer;
    transition: var(--transition-normal);
}

.residence-form-submit:hover {
    background: var(--color-accent-light);
}

.residence-form-notice {
    font-size: 10px;
    color: rgba(255, 255, 255, 0.3);
    line-height: 1.4;
    text-align: center;
    margin: 0;
}

.residence-form-notice a {
    color: rgba(255, 255, 255, 0.45);
    text-decoration: underline;
}

.residence-form-divider {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
    flex-grow: 1;
}

.residence-form-divider::before,
.residence-form-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: rgba(255, 255, 255, 0.12);
}

.residence-form-divider span {
    font-size: 10px;
    color: rgba(255, 255, 255, 0.3);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    white-space: nowrap;
}

.residence-form-contacts {
    display: flex;
    gap: 8px;
    margin-top: auto;
}

.residence-contact-btn {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 12px 6px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: var(--radius-md);
    color: rgba(255, 255, 255, 0.65);
    text-decoration: none;
    font-size: 10px;
    letter-spacing: 0.3px;
    text-transform: uppercase;
    transition: var(--transition-normal);
    cursor: pointer;
}

.residence-contact-btn svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.residence-contact-btn:hover {
    background: rgba(255, 255, 255, 0.13);
    border-color: rgba(255, 255, 255, 0.28);
    color: var(--color-white);
}

/* Swiper Pagination */
.residences-swiper .swiper-pagination {
    bottom: 0;
}

.residences-swiper .swiper-pagination-bullet {
    width: 40px;
    height: 3px;
    border-radius: 2px;
    background: rgba(255, 255, 255, 0.3);
    opacity: 1;
    transition: var(--transition-normal);
}

.residences-swiper .swiper-pagination-bullet-active {
    background: var(--color-accent);
    width: 60px;
}

/* Responsive for Slider */
@media (max-width: 1200px) {
    .residences-slider-wrapper {
        padding: 0 60px;
    }

    .residences-swiper .swiper-slide {
        width: 340px;
    }
}

@media (max-width: 768px) {
    .residences-slider-wrapper {
        padding: 0 50px;
    }

    .slider-arrow {
        width: 44px;
        height: 44px;
    }

    .slider-arrow svg {
        width: 20px;
        height: 20px;
    }

    .residences-swiper .swiper-slide {
        width: 300px;
    }

    .residence-card {
        height: 520px;
    }

    .residence-project-title {
        font-size: 26px;
    }
}

@media (max-width: 480px) {
    .residences-section {
        padding: 60px 0;
    }

    .residences-slider-wrapper {
        padding: 0 40px;
    }

    .slider-arrow {
        width: 36px;
        height: 36px;
    }

    .slider-arrow-prev {
        left: 4px;
    }

    .slider-arrow-next {
        right: 4px;
    }

    .residences-swiper .swiper-slide {
        width: 280px;
    }

    .residence-card {
        height: 480px;
    }

    .residence-info-content {
        padding: 28px 24px;
    }

    .residence-specs td {
        padding: 10px 12px;
        font-size: 12px;
    }
    .residences-swiper .swiper-pagination-bullet {width: 20px;}

    /* Conversion card — auto height on mobile */

    .residence-card-form-inner {
        padding: 22px 18px;
        gap: 14px;
    }

    .residence-form-title {
        font-size: 15px;
    }

    .residence-form-subtitle {
        font-size: 12px;
        margin-top: 4px;
    }

    .residence-form-bullets li {
        font-size: 12px;
    }

    .residence-form-bullets {
        gap: 7px;
    }

    .residence-form-phone,
    .residence-form-submit {
        padding: 11px 14px;
        font-size: 13px;
    }

    .residence-contact-btn {
        padding: 10px 4px;
        font-size: 9px;
        gap: 4px;
    }

    .residence-contact-btn svg {
        width: 18px;
        height: 18px;
    }
    .residence-form-divider {
        display: block;
    }
}

/* ============================================
   POPUP
============================================ */
.popup-overlay {
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.popup-overlay.active {
    opacity: 1;
    visibility: visible;
}

.popup {
    position: relative;
    width: 100%;
    max-width: 480px;
    background: var(--color-white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transform: scale(0.9) translateY(20px);
    transition: transform 0.3s ease;
}

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

.popup-close {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg);
    border: none;
    border-radius: 50%;
    color: var(--color-text);
    cursor: pointer;
    transition: var(--transition-normal);
    z-index: 10;
}

.popup-close:hover {
    background: var(--color-accent);
    color: var(--color-white);
}

.popup-close svg {
    width: 20px;
    height: 20px;
}

.popup-content {
    padding: 48px 40px;
}

.popup-header {
    text-align: center;
    margin-bottom: 32px;
}

.popup-title {
    font-size: 28px;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 12px;
}

.popup-subtitle {
    font-size: 15px;
    color: var(--color-text-light);
    line-height: 1.5;
}

.popup-form-group {
    position: relative;
    margin-bottom: 20px;
}

.popup-form-group input {
    width: 100%;
    padding: 18px 20px;
    font-family: inherit;
    font-size: 16px;
    color: var(--color-text);
    background: var(--color-bg);
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    transition: var(--transition-normal);
    outline: none;
}

.popup-form-group input:focus {
    border-color: var(--color-accent);
    background: var(--color-white);
}

.popup-form-group label {
    position: absolute;
    left: 20px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 16px;
    color: var(--color-text-muted);
    pointer-events: none;
    transition: var(--transition-normal);
}

.popup-form-group input:focus ~ label,
.popup-form-group input:not(:placeholder-shown) ~ label {
    top: -10px;
    left: 16px;
    font-size: 12px;
    color: var(--color-accent);
    background: var(--color-white);
    padding: 0 8px;
    transform: none;
}

.popup-notice {
    margin-top: 16px;
    font-size: 12px;
    color: var(--color-text-muted);
    text-align: center;
}

/* Popup responsive */
@media (max-width: 480px) {
    .popup-content {
        padding: 40px 24px;
    }

    .popup-title {
        font-size: 24px;
    }

    .popup-close {
        top: 16px;
        right: 16px;
        width: 40px;
        height: 40px;
    }
}

/* ============================================
   INTL-TEL-INPUT FIXES
============================================ */

/* Растянуть обёртку на всю ширину */
.form-group .iti,
.popup-form-group .iti {
    width: 100%;
    display: block;
}

/* ITI fullscreen popup поверх модальных окон */
.iti--container {
    z-index: 10001 !important;
}

/* Предотвратить зум и задержку тапа на iOS */
.iti__selected-country {
    font-size: 16px;
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
    cursor: pointer;
}

/* iOS: запрет зума при фокусе на любом инпуте */
@media screen and (-webkit-min-device-pixel-ratio: 0) {
    input, textarea, select {
        font-size: 16px !important;
    }
}

/* Лейбл по умолчанию — правее флага */
.form-group .iti ~ label,
.popup-form-group .iti ~ label {
    left: 90px;
}

/* Лейбл при фокусе */
.form-group .iti:focus-within ~ label,
.popup-form-group .iti:focus-within ~ label {
    top: -10px;
    left: 16px;
    font-size: 12px;
    color: var(--color-accent);
    background: var(--color-white);
    padding: 0 8px;
    transform: none;
}

/* Лейбл когда поле заполнено */
.form-group:has(.iti input:not(:placeholder-shown)) label,
.popup-form-group:has(.iti input:not(:placeholder-shown)) label {
    top: -10px;
    left: 16px;
    font-size: 12px;
    color: var(--color-text-muted);
    background: var(--color-white);
    padding: 0 8px;
    transform: none;
}