/* ===== CSS VARIABLES ===== */
:root {
    /* Colors */
    --primary: #C83232;
    --primary-dark: #A52828;
    --primary-light: #E54545;
    --secondary: #1A1A1A;
    --white: #FFFFFF;
    --background: #FFFFFF;
    --background-alt: #F8F9FA;
    --text: #333333;
    --text-muted: #666666;
    --text-light: #999999;
    --border: #E5E5E5;

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    /* Spacing */
    --container-width: 1200px;
    --section-padding: 100px;

    /* Transitions */
    --transition: all 0.3s ease;
    --transition-fast: all 0.15s ease;

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.12);

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-full: 9999px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: 16px;
    line-height: 1.6;
    color: var(--text);
    background-color: var(--background);
    overflow-x: hidden;
}

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

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

ul {
    list-style: none;
}

/* ===== UTILITIES ===== */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
}

.text-primary {
    color: var(--primary);
}

.text-gradient {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    font-family: var(--font-family);
    font-size: 15px;
    font-weight: 600;
    border-radius: var(--radius-sm);
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--transition);
}

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

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

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

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

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

.btn--white:hover {
    background-color: transparent;
    color: var(--white);
    transform: translateY(-2px);
}

.btn--lg {
    padding: 16px 32px;
    font-size: 16px;
}

/* ===== SECTION STYLES ===== */
.section__subtitle {
    display: inline-block;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--primary);
    margin-bottom: 16px;
    text-transform: uppercase;
}

.section__title {
    font-size: clamp(28px, 4vw, 42px);
    font-weight: 800;
    line-height: 1.2;
    color: var(--secondary);
    margin-bottom: 24px;
}

.section__header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 60px;
}

/* ===== HEADER ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: var(--white);
    transition: var(--transition);
}

.header.scrolled {
    box-shadow: var(--shadow-sm);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.nav__logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.nav__logo-img {
    height: 40px;
    width: auto;
    border-radius: 8px;
}

.nav__logo-text {
    font-size: 18px;
    font-weight: 700;
    color: var(--secondary);
}

.nav__list {
    display: flex;
    align-items: center;
    gap: 40px;
}

.nav__link {
    font-size: 15px;
    font-weight: 500;
    color: var(--text-muted);
    position: relative;
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary);
    transition: var(--transition);
}

.nav__link:hover {
    color: var(--primary);
}

.nav__link:hover::after {
    width: 100%;
}

.nav__actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.nav__toggle,
.nav__close {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--secondary);
}

/* ===== HERO ===== */
.hero {
    padding: 140px 0 100px;
    background: linear-gradient(180deg, var(--background-alt) 0%, var(--white) 100%);
}

.hero__container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero__badge {
    display: inline-block;
    padding: 8px 16px;
    background-color: rgba(200, 50, 50, 0.1);
    color: var(--primary);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 1px;
    border-radius: var(--radius-full);
    margin-bottom: 24px;
}

.hero__title {
    font-size: clamp(36px, 5vw, 56px);
    font-weight: 800;
    line-height: 1.1;
    color: var(--secondary);
    margin-bottom: 24px;
}

.hero__description {
    font-size: 18px;
    color: var(--text-muted);
    margin-bottom: 32px;
    max-width: 500px;
}

.hero__buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.hero__image {
    position: relative;
}

.hero__image-wrapper {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.hero__img {
    width: 100%;
    height: 400px;
    object-fit: cover;
}

.hero__badge-float {
    position: absolute;
    bottom: 24px;
    right: 24px;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 20px;
    background-color: var(--white);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-md);
}

.hero__badge-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    background-color: #22C55E;
    color: var(--white);
    border-radius: 50%;
    font-size: 14px;
    font-weight: 700;
}

.hero__badge-text {
    font-size: 14px;
    font-weight: 600;
    color: var(--secondary);
}

/* ===== ABOUT ===== */
.about {
    padding: var(--section-padding) 0;
}

.about__container {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 80px;
    align-items: center;
}

.about__image {
    position: relative;
}

.about__img {
    width: 100%;
    height: 500px;
    object-fit: cover;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.about__description {
    font-size: 16px;
    color: var(--text-muted);
    margin-bottom: 32px;
    line-height: 1.8;
}

.about__features {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.about__feature {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.about__feature-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background-color: rgba(200, 50, 50, 0.1);
    color: var(--primary);
    border-radius: var(--radius-sm);
    flex-shrink: 0;
}

.about__feature-content h4 {
    font-size: 16px;
    font-weight: 700;
    color: var(--secondary);
    margin-bottom: 4px;
}

.about__feature-content p {
    font-size: 14px;
    color: var(--text-muted);
}

/* ===== SERVICES ===== */
.services {
    padding: var(--section-padding) 0;
    background-color: var(--background-alt);
}

.services__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.service-card {
    background-color: var(--white);
    padding: 32px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.service-card__icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    background-color: rgba(200, 50, 50, 0.1);
    color: var(--primary);
    border-radius: var(--radius-sm);
    margin-bottom: 20px;
}

.service-card__title {
    font-size: 18px;
    font-weight: 700;
    color: var(--secondary);
    margin-bottom: 12px;
}

.service-card__description {
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 20px;
    line-height: 1.7;
}

.service-card__list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.service-card__list li {
    font-size: 13px;
    color: var(--text-muted);
    padding-left: 16px;
    position: relative;
}

.service-card__list li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--primary);
    font-weight: 700;
}

/* ===== PORTFOLIO ===== */
.portfolio {
    padding: var(--section-padding) 0;
}

.portfolio__filters {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 48px;
    flex-wrap: wrap;
}

.portfolio__filter {
    padding: 10px 20px;
    font-family: var(--font-family);
    font-size: 14px;
    font-weight: 500;
    color: var(--text-muted);
    background-color: transparent;
    border: 1px solid var(--border);
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: var(--transition);
}

.portfolio__filter:hover,
.portfolio__filter.active {
    background-color: var(--primary);
    border-color: var(--primary);
    color: var(--white);
}

.portfolio__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 48px;
}

.portfolio-card {
    background-color: var(--white);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.portfolio-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.portfolio-card__image {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.portfolio-card__img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.portfolio-card:hover .portfolio-card__img {
    transform: scale(1.05);
}

.portfolio-card__tags {
    position: absolute;
    top: 12px;
    left: 12px;
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.portfolio-card__tag {
    padding: 4px 10px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    border-radius: var(--radius-sm);
    background-color: var(--primary);
    color: var(--white);
}

.portfolio-card__tag--secondary {
    background-color: var(--secondary);
}

.portfolio-card__content {
    padding: 24px;
}

.portfolio-card__title {
    font-size: 18px;
    font-weight: 700;
    color: var(--secondary);
    margin-bottom: 8px;
}

.portfolio-card__description {
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 16px;
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.portfolio-card__tech {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.portfolio-card__tech span {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 12px;
    color: var(--text-light);
}

.portfolio__cta {
    text-align: center;
}

/* Portfolio Header with Link */
.portfolio__header {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    margin-bottom: 48px;
}

.portfolio__header-left .section__title {
    margin-bottom: 0;
}

.portfolio__link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 15px;
    font-weight: 600;
    color: var(--primary);
}

.portfolio__link:hover {
    gap: 12px;
}

/* Portfolio Showcase Cards */
.portfolio__showcase {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.portfolio__row {
    display: grid;
    gap: 24px;
}

.portfolio__row--2 {
    grid-template-columns: repeat(2, 1fr);
}

.portfolio__row--3 {
    grid-template-columns: repeat(3, 1fr);
}

.portfolio-showcase-card {
    position: relative;
    display: block;
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition);
}

.portfolio-showcase-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.portfolio-showcase-card__image {
    position: relative;
    width: 100%;
    height: 280px;
    overflow: hidden;
}

.portfolio-showcase-card--large .portfolio-showcase-card__image {
    height: 350px;
}

.portfolio-showcase-card__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.portfolio-showcase-card:hover .portfolio-showcase-card__image img {
    transform: scale(1.05);
}

.portfolio-showcase-card__image::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.7) 0%, transparent 60%);
}

.portfolio-showcase-card__content {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 24px;
    z-index: 1;
}

.portfolio-showcase-card__tag {
    display: inline-block;
    padding: 4px 12px;
    background-color: var(--primary);
    color: var(--white);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 1px;
    border-radius: var(--radius-sm);
    margin-bottom: 12px;
}

.portfolio-showcase-card__title {
    font-size: 22px;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 8px;
}

.portfolio-showcase-card__description {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.5;
}

/* CTA Banner (Rounded) */
.cta-wrapper {
    padding: 80px 0 100px;
    background-color: var(--background-alt);
}

.cta-banner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
    padding: 60px 80px;
    background-color: var(--primary);
    border-radius: 40px;
}

.cta-banner__title {
    font-size: clamp(24px, 3vw, 36px);
    font-weight: 800;
    color: var(--white);
    margin-bottom: 12px;
}

.cta-banner__description {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.85);
    max-width: 450px;
    line-height: 1.6;
}

.cta-banner__btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 32px;
    background-color: var(--white);
    color: var(--primary);
    font-size: 15px;
    font-weight: 600;
    border-radius: var(--radius-sm);
    border: 2px solid var(--white);
    transition: var(--transition);
    white-space: nowrap;
}

.cta-banner__btn:hover {
    background-color: transparent;
    color: var(--white);
}

/* ===== CTA ===== */
.cta {
    padding: 80px 0;
    background-color: var(--primary);
}

.cta__container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
}

.cta__title {
    font-size: clamp(28px, 4vw, 40px);
    font-weight: 800;
    color: var(--white);
    margin-bottom: 12px;
}

.cta__description {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.85);
    max-width: 500px;
}

/* ===== FOOTER ===== */
.footer {
    background-color: var(--secondary);
    padding-top: 80px;
}

.footer__container {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.5fr;
    gap: 40px;
    padding-bottom: 60px;
}

.footer__logo-img {
    height: 60px;
    width: auto;
    margin-bottom: 20px;
    border-radius: 8px;
}

.footer__description {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.8;
}

.footer__title {
    font-size: 16px;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 24px;
}

.footer__list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer__list a {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
}

.footer__list a:hover {
    color: var(--white);
}

.footer__list--contact li {
    display: flex;
    gap: 12px;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
}

.footer__list--contact svg {
    flex-shrink: 0;
    margin-top: 2px;
}

.footer__list--contact a:hover {
    color: var(--primary-light);
}

.footer__bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 24px 0;
}

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

.footer__copyright {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.5);
}

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

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    .hero__container {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .hero__image {
        order: -1;
    }

    .hero__img {
        height: 300px;
    }

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

    .about__img {
        height: 350px;
    }

    .services__grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .portfolio__grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer__container {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: 60px;
    }

    .nav__menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 350px;
        height: 100vh;
        background-color: var(--white);
        box-shadow: var(--shadow-lg);
        padding: 100px 40px;
        transition: var(--transition);
        z-index: 999;
    }

    .nav__menu.show {
        right: 0;
    }

    .nav__list {
        flex-direction: column;
        align-items: flex-start;
        gap: 24px;
    }

    .nav__link {
        font-size: 18px;
    }

    .nav__close {
        display: block;
        position: absolute;
        top: 24px;
        right: 24px;
    }

    .nav__toggle {
        display: block;
    }

    .nav__actions .btn {
        display: none;
    }

    .hero {
        padding: 120px 0 60px;
    }

    .hero__buttons {
        flex-direction: column;
    }

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

    .cta__description {
        margin: 0 auto;
    }

    .footer__container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer__list--contact li {
        justify-content: center;
        flex-wrap: wrap;
    }
}

@media (max-width: 576px) {
    .services__grid {
        grid-template-columns: 1fr;
    }

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

    .portfolio__filters {
        gap: 8px;
    }

    .portfolio__filter {
        padding: 8px 16px;
        font-size: 13px;
    }

    .portfolio__row--2,
    .portfolio__row--3 {
        grid-template-columns: 1fr;
    }

    .portfolio__header {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
    }

    .cta-banner {
        flex-direction: column;
        text-align: center;
        padding: 40px 24px;
        border-radius: 24px;
    }

    .cta-banner__description {
        margin: 0 auto;
    }
}

@media (max-width: 768px) {
    .portfolio__row--2 {
        grid-template-columns: 1fr;
    }

    .portfolio__row--3 {
        grid-template-columns: 1fr;
    }

    .portfolio-showcase-card__image,
    .portfolio-showcase-card--large .portfolio-showcase-card__image {
        height: 250px;
    }

    .cta-banner {
        flex-direction: column;
        text-align: center;
        padding: 48px 32px;
    }
}

@media (max-width: 1024px) {
    .portfolio__row--3 {
        grid-template-columns: repeat(2, 1fr);
    }
}