/* ==========================================
   EF IMAGINE - STYLE.CSS
   Web Design | SEO | Digital Growth
========================================== */

/* VARIABLES */

:root {
    --bg: #09090b;
    --bg-secondary: #111114;
    --surface: #18181b;
    --surface-hover: #222228;

    --primary: #2563eb;
    --primary-light: #60a5fa;
    --primary-dark: #1d4ed8;

    --white: #fafafa;
    --muted: #a1a1aa;
    --border: rgba(255, 255, 255, 0.09);

    --gradient: linear-gradient(
        135deg,
        #2563eb,
        #60a5fa
    );

    --font: "Segoe UI", Arial, sans-serif;

    --radius: 18px;
    --radius-lg: 26px;

    --transition: all 0.3s ease;
}

/* RESET */

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 100px;
}

body {
    font-family: var(--font);
    background: var(--bg);
    color: var(--white);
    line-height: 1.7;
    overflow-x: hidden;
}

body.menu-open {
    overflow: hidden;
}

a {
    color: inherit;
    text-decoration: none;
}

button {
    font: inherit;
    cursor: pointer;
}

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

::selection {
    background: var(--primary);
    color: white;
}

.container {
    width: min(90%, 1200px);
    margin-inline: auto;
}

.section {
    padding: 110px 0;
}

section {
    scroll-margin-top: 90px;
}

/* ==========================================
   HEADER / NAVBAR
========================================== */

.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;

    background: rgba(9, 9, 11, 0.85);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);

    border-bottom: 1px solid transparent;
    transition: var(--transition);
}

.header.scrolled {
    background: rgba(9, 9, 11, 0.97);
    border-bottom-color: var(--border);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.25);
}

.navbar {
    min-height: 88px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 25px;
}

.logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;

    font-size: 20px;
    font-weight: 700;
    letter-spacing: 0.5px;
}

.logo img {
    width: 43px;
    height: 43px;
    object-fit: contain;
}

.logo strong {
    color: var(--primary-light);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 30px;
}

.nav-link {
    color: var(--muted);
    font-size: 14px;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: var(--white);
}

.nav-link::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -8px;

    width: 0;
    height: 2px;
    background: var(--primary);

    transition: width 0.3s ease;
}

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

.nav-actions {
    display: flex;
    align-items: center;
    gap: 18px;
}

/* LANGUAGE SWITCHER */

.language-switcher {
    display: flex;
    align-items: center;
    gap: 8px;
}

.lang-btn {
    background: transparent;
    border: none;
    color: var(--muted);

    font-size: 13px;
    font-weight: 700;

    transition: var(--transition);
}

.lang-btn:hover,
.lang-btn.active {
    color: var(--primary-light);
}

.language-divider {
    color: #52525b;
}

/* MOBILE MENU BUTTON */

.menu-toggle {
    display: none;
    width: 36px;
    height: 36px;

    background: transparent;
    border: none;

    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 6px;
}

.menu-toggle span {
    width: 25px;
    height: 2px;
    background: white;
    border-radius: 5px;
    transition: var(--transition);
}

.menu-toggle.active span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

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

.menu-toggle.active span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

/* ==========================================
   BUTTONS
========================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;

    min-height: 48px;
    padding: 13px 25px;

    border-radius: 12px;
    border: 1px solid transparent;

    font-size: 14px;
    font-weight: 700;
    line-height: 1.4;
    text-align: center;

    transition: var(--transition);
}

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

    box-shadow: 0 8px 25px rgba(37, 99, 235, 0.22);
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(37, 99, 235, 0.35);
}

.btn-outline {
    background: transparent;
    color: white;
    border-color: rgba(255, 255, 255, 0.22);
}

.btn-outline:hover {
    border-color: var(--primary-light);
    background: rgba(37, 99, 235, 0.1);
    transform: translateY(-3px);
}

.nav-cta {
    font-size: 13px;
    padding: 11px 18px;
}

/* ==========================================
   HERO
========================================== */

.hero {
    min-height: 100vh;

    display: flex;
    align-items: center;

    padding: 160px 0 110px;

    position: relative;
    overflow: hidden;

    background:
        radial-gradient(
            ellipse at 80% 30%,
            rgba(37, 99, 235, 0.16),
            transparent 50%
        ),
        radial-gradient(
            ellipse at 10% 90%,
            rgba(37, 99, 235, 0.08),
            transparent 45%
        ),
        var(--bg);
}

.hero::before {
    content: "";
    position: absolute;

    width: 480px;
    height: 480px;

    right: -220px;
    top: 10%;

    border-radius: 50%;
    background: rgba(37, 99, 235, 0.08);
    filter: blur(100px);

    pointer-events: none;
}

.hero-container {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    align-items: center;
    gap: 70px;

    position: relative;
    z-index: 1;
}

.hero-content {
    max-width: 680px;
}

.hero-badge {
    display: inline-block;

    padding: 8px 16px;
    margin-bottom: 25px;

    border-radius: 100px;
    border: 1px solid rgba(96, 165, 250, 0.25);

    background: rgba(37, 99, 235, 0.1);
    color: var(--primary-light);

    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.5px;
}

.hero h1 {
    font-size: clamp(38px, 5vw, 66px);
    line-height: 1.12;
    font-weight: 800;
    letter-spacing: -2px;

    margin-bottom: 25px;
}

.hero-description {
    color: var(--muted);
    font-size: 17px;
    max-width: 580px;
    margin-bottom: 35px;
}

.hero-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 40px;
}

.hero-features {
    display: flex;
    flex-wrap: wrap;
    gap: 12px 24px;
}

.hero-features span {
    color: var(--muted);
    font-size: 12px;
}

.hero-features span::before {
    content: "✓";
    color: var(--primary-light);
    margin-right: 7px;
    font-weight: 800;
}

/* HERO VISUAL */

.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.visual-card {
    width: 100%;
    max-width: 450px;
    min-height: 370px;

    background: linear-gradient(
        145deg,
        #1b1b22,
        #101014
    );

    border: 1px solid rgba(96, 165, 250, 0.18);
    border-radius: var(--radius-lg);

    box-shadow:
        0 30px 80px rgba(0, 0, 0, 0.45),
        0 0 80px rgba(37, 99, 235, 0.08);

    overflow: hidden;

    animation: floating 6s ease-in-out infinite;
}

.visual-card-header {
    display: flex;
    align-items: center;
    gap: 7px;

    height: 45px;
    padding: 0 18px;

    border-bottom: 1px solid var(--border);
}

.visual-card-header span {
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: #52525b;
}

.visual-card-header span:first-child {
    background: #ef4444;
}

.visual-card-header span:nth-child(2) {
    background: #f59e0b;
}

.visual-card-header span:nth-child(3) {
    background: #22c55e;
}

.visual-card-content {
    min-height: 325px;

    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;

    padding: 35px;
    text-align: center;
}

.visual-logo img {
    width: 95px;
    height: 95px;
    object-fit: contain;
    margin-bottom: 15px;
}

.visual-card-content h2 {
    font-size: 27px;
    letter-spacing: 1px;
}

.visual-card-content p {
    font-size: 12px;
    color: var(--primary-light);
    margin-top: 5px;
}

.visual-line {
    width: 80px;
    height: 3px;

    background: var(--gradient);
    border-radius: 10px;
    margin: 25px 0;
}

.visual-elements {
    width: 100%;
    display: flex;
    justify-content: center;
    gap: 10px;
}

.visual-elements div {
    height: 8px;
    border-radius: 20px;
    background: #30303a;
}

.visual-elements div:nth-child(1) {
    width: 65px;
}

.visual-elements div:nth-child(2) {
    width: 95px;
    background: var(--primary);
}

.visual-elements div:nth-child(3) {
    width: 50px;
}

@keyframes floating {
    0%, 100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-12px);
    }
}

/* ==========================================
   SECTION HEADINGS
========================================== */

.section-heading {
    text-align: center;
    max-width: 750px;
    margin: 0 auto 55px;
}

.section-tag {
    display: inline-block;

    color: var(--primary-light);
    font-size: 12px;
    font-weight: 800;

    letter-spacing: 1.5px;
    text-transform: uppercase;

    margin-bottom: 15px;
}

.section-heading h2,
.about-content h2,
.contact-box h2 {
    font-size: clamp(30px, 4vw, 46px);
    line-height: 1.2;
    letter-spacing: -1px;
    margin-bottom: 20px;
}

.section-heading p {
    color: var(--muted);
    font-size: 16px;
}

/* ==========================================
   SERVICES
========================================== */

.services {
    background: var(--bg-secondary);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 25px;
}

.service-card {
    padding: 38px 30px;

    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);

    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-8px);
    border-color: rgba(96, 165, 250, 0.4);

    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.25);
}

.service-icon {
    width: 60px;
    height: 60px;

    display: flex;
    align-items: center;
    justify-content: center;

    margin-bottom: 25px;

    background: rgba(37, 99, 235, 0.12);
    border: 1px solid rgba(96, 165, 250, 0.2);
    border-radius: 15px;

    color: var(--primary-light);
    font-size: 20px;
    font-weight: 800;
}

.service-card h3 {
    font-size: 22px;
    margin-bottom: 15px;
}

.service-card p {
    color: var(--muted);
    font-size: 14px;
    line-height: 1.8;
}

/* ==========================================
   ABOUT
========================================== */

.about {
    background: var(--bg);
}

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

.about-content p {
    color: var(--muted);
    font-size: 16px;
    margin-bottom: 20px;
}

.about-content .btn {
    margin-top: 15px;
}

.about-visual {
    display: flex;
    justify-content: center;
}

.about-card {
    width: 100%;
    max-width: 420px;
    min-height: 350px;

    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;

    padding: 40px;

    background:
        radial-gradient(
            circle at center,
            rgba(37, 99, 235, 0.15),
            transparent 65%
        ),
        var(--surface);

    border: 1px solid rgba(96, 165, 250, 0.2);
    border-radius: var(--radius-lg);

    text-align: center;
}

.about-logo {
    width: 120px;
    height: 120px;
    object-fit: contain;
    margin-bottom: 20px;
}

.about-card h3 {
    font-size: 27px;
    letter-spacing: 1px;
}

.about-card p {
    font-size: 12px;
    color: var(--primary-light);
    margin-top: 8px;
}

/* ==========================================
   CONTACT
========================================== */

.contact {
    background: var(--bg-secondary);
}

.contact-box {
    max-width: 950px;
    margin: auto;

    padding: 75px 50px;
    text-align: center;

    background:
        radial-gradient(
            ellipse at top,
            rgba(37, 99, 235, 0.16),
            transparent 70%
        ),
        var(--surface);

    border: 1px solid rgba(96, 165, 250, 0.2);
    border-radius: var(--radius-lg);
}

.contact-box h2 {
    max-width: 720px;
    margin: 0 auto 22px;
}

.contact-box p {
    max-width: 620px;
    margin: 0 auto 30px;

    color: var(--muted);
    font-size: 16px;
}

.contact-button {
    min-width: 220px;
}

/* ==========================================
   FOOTER
========================================== */

.footer {
    background: #070709;
    border-top: 1px solid var(--border);
}

.footer-container {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: 60px;

    padding-top: 70px;
    padding-bottom: 60px;
}

.footer-brand p {
    color: var(--muted);
    font-size: 14px;
    margin-top: 18px;
    max-width: 300px;
}

.footer-links,
.footer-contact {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 13px;
}

.footer-links h3,
.footer-contact h3 {
    font-size: 16px;
    margin-bottom: 8px;
}

.footer-links a,
.footer-contact a {
    color: var(--muted);
    font-size: 14px;
    transition: var(--transition);
}

.footer-links a:hover,
.footer-contact a:hover {
    color: var(--primary-light);
}

.footer-bottom {
    border-top: 1px solid var(--border);
    padding: 25px 0;
    text-align: center;
}

.footer-bottom p {
    color: var(--muted);
    font-size: 13px;
}

/* ==========================================
   SCROLL ANIMATIONS
========================================== */

.hidden {
    opacity: 0;
    transform: translateY(35px);
    transition:
        opacity 0.7s ease,
        transform 0.7s ease;
}

.hidden.show {
    opacity: 1;
    transform: translateY(0);
}

/* ==========================================
   TABLETS
========================================== */

@media (max-width: 1050px) {

    .nav-links {
        gap: 18px;
    }

    .nav-cta {
        display: none;
    }

    .hero-container {
        gap: 35px;
    }

    .hero h1 {
        font-size: clamp(36px, 5vw, 55px);
    }

    .about-container {
        gap: 45px;
    }
}

/* ==========================================
   MOBILE MENU
========================================== */

@media (max-width: 768px) {

    .navbar {
        min-height: 75px;
    }

    .logo {
        font-size: 18px;
    }

    .logo img {
        width: 38px;
        height: 38px;
    }

    .menu-toggle {
        display: flex;
        z-index: 1002;
    }

    .nav-links {
        position: fixed;
        top: 75px;
        left: 0;

        width: 100%;
        height: calc(100dvh - 75px);

        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: flex-start;

        gap: 30px;
        padding: 65px 25px;

        background: rgba(9, 9, 11, 0.98);
        backdrop-filter: blur(20px);

        border-top: 1px solid var(--border);

        opacity: 0;
        visibility: hidden;
        pointer-events: none;

        transform: translateY(-15px);
        transition: var(--transition);

        overflow-y: auto;
    }

    .nav-links.active {
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
        transform: translateY(0);
    }

    .nav-link {
        font-size: 19px;
    }

    .hero {
        min-height: auto;
        padding: 135px 0 85px;
    }

    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 55px;
    }

    .hero-content {
        margin: auto;
    }

    .hero h1 {
        font-size: clamp(35px, 8vw, 48px);
        letter-spacing: -1.5px;
    }

    .hero-description {
        font-size: 15px;
        margin-inline: auto;
    }

    .hero-buttons,
    .hero-features {
        justify-content: center;
    }

    .visual-card {
        max-width: 400px;
    }

    .section {
        padding: 80px 0;
    }

    .services-grid {
        grid-template-columns: 1fr;
        max-width: 520px;
        margin: auto;
    }

    .about-container {
        grid-template-columns: 1fr;
        gap: 45px;
    }

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

    .about-card {
        max-width: 430px;
    }

    .contact-box {
        padding: 55px 25px;
    }

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

    .footer-brand {
        grid-column: 1 / -1;
    }
}

/* ==========================================
   SMALL PHONES
========================================== */

@media (max-width: 480px) {

    .container {
        width: 92%;
    }

    .navbar {
        gap: 10px;
    }

    .nav-actions {
        gap: 12px;
    }

    .logo {
        font-size: 16px;
        gap: 6px;
    }

    .logo img {
        width: 34px;
        height: 34px;
    }

    .hero {
        padding-top: 120px;
    }

    .hero h1 {
        font-size: 36px;
    }

    .hero-badge {
        font-size: 11px;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: stretch;
    }

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

    .hero-features {
        gap: 10px 15px;
    }

    .hero-features span {
        font-size: 11px;
    }

    .visual-card {
        min-height: 320px;
    }

    .visual-card-content {
        min-height: 275px;
        padding: 25px;
    }

    .visual-logo img {
        width: 75px;
        height: 75px;
    }

    .section-heading h2,
    .about-content h2,
    .contact-box h2 {
        font-size: 30px;
    }

    .service-card {
        padding: 30px 25px;
    }

    .contact-box {
        padding: 45px 20px;
    }

    .footer-container {
        grid-template-columns: 1fr;
        gap: 35px;
    }

    .footer-brand {
        grid-column: auto;
    }
}

/* ==========================================
   ACCESSIBILITY
========================================== */

:focus-visible {
    outline: 2px solid var(--primary-light);
    outline-offset: 4px;
}

@media (prefers-reduced-motion: reduce) {

    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}