/* ═══════════════════════════════════════════════
   PICCOLO GRUPA - Construction Company
   Theme: Dark + Orange Accent
   ═══════════════════════════════════════════════ */

/* ═══════════════ RESET & VARIABLES ═══════════════ */
:root {
    --bg-primary: #1f1f1f;
    --bg-secondary: #252525;
    --bg-elevated: #2a2a2a;
    --bg-card: #2d2d2d;
    --bg-input: #333333;
    
    --text-primary: #f5f5f5;
    --text-secondary: #cccccc;
    --text-muted: #999999;
    --text-dim: #666666;
    
    --accent: #e67e22;
    --accent-hover: #d35400;
    --accent-light: rgba(230, 126, 34, 0.15);
    --accent-glow: rgba(230, 126, 34, 0.3);
    
    --border: rgba(255, 255, 255, 0.06);
    --border-accent: rgba(230, 126, 34, 0.2);
    
    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Poppins', sans-serif;
    
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 50px;
    
    --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.5);
    --shadow-accent: 0 8px 30px rgba(230, 126, 34, 0.2);
    
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    --container: 1200px;
    --header-h: 80px;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--header-h);
}

body {
    font-family: var(--font-body);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

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

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

.container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 1.5rem;
}

.accent {
    color: var(--accent);
}

/* ═══════════════ SECTION HEADERS ═══════════════ */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header__tag {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.4rem 1.2rem;
    background: var(--accent-light);
    color: var(--accent);
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    margin-bottom: 1rem;
    border: 1px solid var(--border-accent);
}

.section-header__title {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1rem;
}

.section-header__desc {
    font-size: 1.05rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* ═══════════════ BUTTONS ═══════════════ */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.9rem 2rem;
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

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

.btn--primary:hover {
    background: var(--accent-hover);
    border-color: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-accent);
}

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

.btn--outline:hover {
    background: var(--accent-light);
    border-color: var(--accent);
    color: var(--accent);
    transform: translateY(-2px);
}

.btn--full {
    width: 100%;
    justify-content: center;
}

/* ═══════════════ HEADER ═══════════════ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    height: var(--header-h);
    background: rgba(31, 31, 31, 0.85);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    transition: all var(--transition-base);
}

.header.scrolled {
    background: rgba(31, 31, 31, 0.95);
    box-shadow: var(--shadow-md);
}

.header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

.header__logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.header__logo-icon {
    width: 44px;
    height: 44px;
    background: var(--accent);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 1.2rem;
}

.header__logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

.header__logo-name {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.1rem;
    letter-spacing: 2px;
    color: var(--text-primary);
}

.header__logo-sub {
    font-family: var(--font-heading);
    font-size: 0.65rem;
    font-weight: 600;
    letter-spacing: 4px;
    color: var(--accent);
    text-transform: uppercase;
}

.header__nav {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.header__nav-link {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    border-radius: var(--radius-full);
    transition: all var(--transition-fast);
}

.header__nav-link:hover,
.header__nav-link.active {
    color: var(--accent);
    background: var(--accent-light);
}

.header__cta {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1.5rem;
    background: var(--accent);
    color: #fff;
    font-size: 0.85rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
}

.header__cta:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-accent);
}

.header__burger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.header__burger span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: all var(--transition-fast);
    border-radius: 2px;
}

.header__burger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

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

.header__burger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ═══════════════ HERO ═══════════════ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(160deg, #1a1a1a 0%, #1f1f1f 40%, #2a2018 100%);
    overflow: hidden;
}

.hero__overlay {
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(ellipse at 20% 80%, rgba(230, 126, 34, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(230, 126, 34, 0.05) 0%, transparent 50%);
}

.hero__particles {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.hero__content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 6rem 0 4rem;
}

.hero__badge {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.5rem 1.5rem;
    background: var(--accent-light);
    border: 1px solid var(--border-accent);
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--accent);
    margin-bottom: 2rem;
    animation: fadeInUp 0.8s ease;
}

.hero__title {
    font-family: var(--font-heading);
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 900;
    line-height: 1.15;
    margin-bottom: 1.5rem;
    animation: fadeInUp 0.8s ease 0.1s both;
}

.hero__title-accent {
    color: var(--accent);
    position: relative;
}

.hero__subtitle {
    font-size: clamp(1rem, 2vw, 1.15rem);
    color: var(--text-secondary);
    max-width: 650px;
    margin: 0 auto 2.5rem;
    line-height: 1.8;
    animation: fadeInUp 0.8s ease 0.2s both;
}

.hero__actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 4rem;
    animation: fadeInUp 0.8s ease 0.3s both;
}

.hero__stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    max-width: 800px;
    margin: 0 auto;
    animation: fadeInUp 0.8s ease 0.4s both;
}

.hero__stat {
    text-align: center;
    padding: 1.5rem 1rem;
    border-radius: var(--radius-lg);
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border);
    transition: all var(--transition-base);
}

.hero__stat:hover {
    border-color: var(--border-accent);
    background: var(--accent-light);
}

.hero__stat-number {
    display: block;
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--accent);
    line-height: 1;
    margin-bottom: 0.3rem;
}

.hero__stat-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-weight: 500;
}

.hero__scroll {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
}

.hero__scroll-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 2px solid var(--border);
    color: var(--text-muted);
    animation: bounce 2s infinite;
    transition: all var(--transition-fast);
}

.hero__scroll-btn:hover {
    border-color: var(--accent);
    color: var(--accent);
}

/* ═══════════════ ABOUT ═══════════════ */
.about {
    padding: 7rem 0;
    background: var(--bg-secondary);
}

.about__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.about__card {
    padding: 2.5rem 2rem;
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    text-align: center;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.about__card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--accent);
    transform: scaleX(0);
    transition: transform var(--transition-base);
}

.about__card:hover {
    transform: translateY(-5px);
    border-color: var(--border-accent);
    box-shadow: var(--shadow-accent);
}

.about__card:hover::before {
    transform: scaleX(1);
}

.about__card-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 1.5rem;
    background: var(--accent-light);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: var(--accent);
    transition: all var(--transition-base);
}

.about__card:hover .about__card-icon {
    background: var(--accent);
    color: #fff;
    transform: scale(1.1);
}

.about__card-title {
    font-family: var(--font-heading);
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.about__card-text {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ═══════════════ SERVICES ═══════════════ */
.services {
    padding: 7rem 0;
}

.services__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.services__item {
    padding: 2.5rem 2rem;
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    position: relative;
    transition: all var(--transition-base);
    overflow: hidden;
}

.services__item:hover {
    border-color: var(--border-accent);
    transform: translateY(-3px);
}

.services__item-num {
    font-family: var(--font-heading);
    font-size: 3.5rem;
    font-weight: 900;
    color: rgba(230, 126, 34, 0.08);
    position: absolute;
    top: 1rem;
    right: 1.5rem;
    line-height: 1;
    transition: all var(--transition-base);
}

.services__item:hover .services__item-num {
    color: rgba(230, 126, 34, 0.15);
}

.services__item-title {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.services__item-text {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.7;
    position: relative;
    z-index: 1;
}

.services__item-icon {
    margin-top: 1.5rem;
    width: 48px;
    height: 48px;
    background: var(--accent-light);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    font-size: 1.2rem;
    transition: all var(--transition-base);
}

.services__item:hover .services__item-icon {
    background: var(--accent);
    color: #fff;
}

/* ═══════════════ PROJECTS ═══════════════ */
.projects {
    padding: 7rem 0;
    background: var(--bg-secondary);
}

.projects__slider {
    position: relative;
    overflow: hidden;
}

.projects__track {
    display: flex;
    transition: transform 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.projects__slide {
    min-width: 100%;
    padding: 0 2rem;
}

.projects__card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border);
    overflow: hidden;
    transition: all var(--transition-base);
}

.projects__card:hover {
    border-color: var(--border-accent);
    box-shadow: var(--shadow-accent);
}

.projects__card-image {
    position: relative;
    min-height: 400px;
    background: linear-gradient(135deg, var(--bg-elevated), var(--bg-primary));
    overflow: hidden;
}

.projects__card-placeholder {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 5rem;
    color: rgba(230, 126, 34, 0.12);
}

.projects__card-overlay {
    position: absolute;
    top: 1.5rem;
    left: 1.5rem;
    z-index: 2;
}

.projects__card-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.4rem 1rem;
    background: var(--accent);
    color: #fff;
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 600;
}

.projects__card-content {
    padding: 3rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.projects__card-title {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 1rem;
}

.projects__card-info {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.projects__card-meta {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.projects__card-meta span {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.85rem;
    color: var(--text-muted);
    padding: 0.3rem 0.8rem;
    background: rgba(255, 255, 255, 0.03);
    border-radius: var(--radius-full);
    border: 1px solid var(--border);
}

.projects__card-meta span i {
    color: var(--accent);
}

.projects__controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1.5rem;
    margin-top: 2.5rem;
}

.projects__arrow {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    border: 2px solid var(--border);
    background: var(--bg-card);
    color: var(--text-primary);
    font-size: 1rem;
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
}

.projects__arrow:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: var(--accent-light);
}

.projects__dots {
    display: flex;
    gap: 0.5rem;
}

.projects__dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--border);
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.projects__dot.active {
    width: 30px;
    border-radius: var(--radius-full);
    background: var(--accent);
}

/* ═══════════════ CONTACT ═══════════════ */
.contact {
    padding: 7rem 0;
}

.contact__grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 3rem;
    align-items: start;
}

.contact__info {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact__info-card {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.25rem 1.5rem;
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    transition: all var(--transition-base);
}

.contact__info-card:hover {
    border-color: var(--border-accent);
    transform: translateX(5px);
}

.contact__info-icon {
    width: 50px;
    height: 50px;
    min-width: 50px;
    background: var(--accent-light);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    font-size: 1.2rem;
}

.contact__info-card h4 {
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 700;
    margin-bottom: 0.2rem;
}

.contact__info-card a,
.contact__info-card p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.contact__info-card a:hover {
    color: var(--accent);
}

.contact__form {
    padding: 2.5rem;
    background: var(--bg-secondary);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border);
}

.contact__form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.contact__form-group {
    margin-bottom: 1.25rem;
}

.contact__form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 0.4rem;
    color: var(--text-secondary);
}

.contact__form-group input,
.contact__form-group select,
.contact__form-group textarea {
    width: 100%;
    padding: 0.85rem 1rem;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 0.95rem;
    transition: all var(--transition-fast);
    outline: none;
}

.contact__form-group input:focus,
.contact__form-group select:focus,
.contact__form-group textarea:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
    background: var(--bg-elevated);
}

.contact__form-group input::placeholder,
.contact__form-group textarea::placeholder {
    color: var(--text-dim);
}

.contact__form-group select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%23999' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
}

.contact__form-message {
    margin-top: 1rem;
    padding: 0.8rem;
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    display: none;
}

.contact__form-message.success {
    display: block;
    background: rgba(16, 185, 129, 0.1);
    color: #10b981;
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.contact__form-message.error {
    display: block;
    background: rgba(239, 68, 68, 0.1);
    color: #ef4444;
    border: 1px solid rgba(239, 68, 68, 0.2);
}

/* ═══════════════ FOOTER ═══════════════ */
.footer {
    padding: 4rem 0 0;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
}

.footer__top {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 3rem;
    padding-bottom: 3rem;
    border-bottom: 1px solid var(--border);
}

.footer__logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.footer__logo-icon {
    width: 40px;
    height: 40px;
    background: var(--accent);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 1.1rem;
}

.footer__logo-name {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1rem;
    letter-spacing: 1px;
}

.footer__logo-desc {
    display: block;
    font-size: 0.7rem;
    color: var(--text-muted);
    letter-spacing: 1px;
}

.footer__about {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

.footer__links h4,
.footer__services-col h4 {
    font-family: var(--font-heading);
    font-size: 0.9rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.footer__links a,
.footer__services-col a {
    display: block;
    font-size: 0.85rem;
    color: var(--text-muted);
    padding: 0.3rem 0;
    transition: all var(--transition-fast);
}

.footer__links a:hover,
.footer__services-col a:hover {
    color: var(--accent);
    padding-left: 0.3rem;
}

.footer__friends {
    padding: 2rem 0;
    border-bottom: 1px solid var(--border);
    text-align: center;
}

.footer__friends h4 {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-dim);
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 0.75rem;
}

.footer__friends-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 1rem;
    justify-content: center;
}

.footer__friends-list a {
    font-size: 0.8rem;
    color: var(--text-muted);
    padding: 3px 10px;
    border-radius: var(--radius-full);
    border: 1px solid transparent;
    transition: all var(--transition-fast);
}

.footer__friends-list a:hover {
    color: var(--accent);
    border-color: var(--border-accent);
    background: var(--accent-light);
}

.footer__bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.5rem 0;
    font-size: 0.8rem;
    color: var(--text-dim);
}

.footer__creator {
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.footer__creator a {
    color: var(--text-muted);
    font-weight: 600;
    transition: color var(--transition-fast);
}

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

/* ═══════════════ BACK TO TOP ═══════════════ */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--accent);
    color: #fff;
    border: none;
    font-size: 1.1rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transition-base);
    z-index: 99;
    box-shadow: var(--shadow-accent);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background: var(--accent-hover);
    transform: translateY(-3px);
}

/* ═══════════════ ANIMATIONS ═══════════════ */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(-8px); }
    60% { transform: translateY(-4px); }
}

/* ═══════════════ RESPONSIVE ═══════════════ */
@media (max-width: 1024px) {
    .about__grid { grid-template-columns: repeat(2, 1fr); }
    .services__grid { grid-template-columns: repeat(2, 1fr); }
    .projects__card { grid-template-columns: 1fr; }
    .projects__card-image { min-height: 250px; }
    .contact__grid { grid-template-columns: 1fr; }
    .footer__top { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
    :root { --header-h: 70px; }
    
    .header__nav {
        position: fixed;
        top: var(--header-h);
        left: 0;
        right: 0;
        background: rgba(31, 31, 31, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 1.5rem;
        gap: 0.3rem;
        transform: translateY(-120%);
        transition: transform var(--transition-base);
        border-bottom: 1px solid var(--border);
    }
    
    .header__nav.open {
        transform: translateY(0);
    }
    
    .header__nav-link {
        width: 100%;
        padding: 0.8rem 1rem;
        text-align: center;
        font-size: 1rem;
    }
    
    .header__cta { display: none; }
    .header__burger { display: flex; }
    
    .hero__stats { grid-template-columns: repeat(2, 1fr); gap: 1rem; }
    .hero__stat-number { font-size: 2rem; }
    
    .about__grid { grid-template-columns: 1fr; }
    .services__grid { grid-template-columns: 1fr; }
    
    .projects__slide { padding: 0; }
    .projects__card-content { padding: 2rem; }
    .projects__card-title { font-size: 1.5rem; }
    
    .contact__form-row { grid-template-columns: 1fr; }
    .contact__form { padding: 1.5rem; }
    
    .footer__top { grid-template-columns: 1fr; gap: 2rem; }
    .footer__bottom { flex-direction: column; gap: 0.5rem; text-align: center; }
}

@media (max-width: 480px) {
    .hero__title { font-size: 2rem; }
    .hero__actions { flex-direction: column; align-items: center; }
    .btn { width: 100%; justify-content: center; }
    .projects__card-meta { flex-direction: column; gap: 0.5rem; }
    .section-header__title { font-size: 1.75rem; }
}