/* =============================================
   DEVOZAR - Futuristic Landing Page Styles
   Theme: Yellow (#FFD700) & Black (#000000)
   Methodology: BEM
   ============================================= */

/* CSS Custom Properties */
:root {
    --color-primary: #FFD700;
    --color-primary-light: #FFE44D;
    --color-primary-dark: #CCB000;
    --color-primary-glow: rgba(255, 215, 0, 0.4);
    --color-primary-subtle: rgba(255, 215, 0, 0.1);

    --color-black: #000000;
    --color-bg-dark: #0A0A0A;
    --color-bg-card: #111111;
    --color-bg-elevated: #1A1A1A;

    --color-text-primary: #FFFFFF;
    --color-text-secondary: #B0B0B0;
    --color-text-muted: #666666;

    --font-display: 'Orbitron', sans-serif;
    --font-body: 'Inter', sans-serif;

    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;

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

    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;

    --header-height: 80px;
    --container-max: 1200px;
}

/* Reset & Base Styles */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

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

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

ul {
    list-style: none;
}

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

/* =============================================
   PAGE BACKGROUND
   ============================================= */

.page {
    position: relative;
    min-height: 100vh;
}

.page__background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
}

.page__grid {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        linear-gradient(rgba(255, 215, 0, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 215, 0, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: gridMove 20s linear infinite;
}

@keyframes gridMove {
    0% { transform: translate(0, 0); }
    100% { transform: translate(50px, 50px); }
}

.page__glow {
    position: absolute;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    filter: blur(150px);
    opacity: 0.15;
}

.page__glow--top {
    top: -200px;
    right: -100px;
    background: var(--color-primary);
}

.page__glow--bottom {
    bottom: -200px;
    left: -100px;
    background: var(--color-primary);
}

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

.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    z-index: 1000;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 215, 0, 0.1);
    transition: background var(--transition-normal);
}

.header__container {
    max-width: var(--container-max);
    height: 100%;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.header__logo {
    display: flex;
    align-items: center;
    transition: transform var(--transition-normal);
}

.header__logo:hover {
    transform: scale(1.05);
}

.header__logo-image {
    height: 100px;
    width: auto;
    object-fit: contain;
}

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

.header__menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 28px;
    height: 20px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 1001;
}

.header__menu-bar {
    width: 100%;
    height: 2px;
    background: var(--color-primary);
    border-radius: 2px;
    transition: var(--transition-normal);
}

.header__nav-list {
    display: flex;
    gap: var(--spacing-lg);
}

.header__nav-item {
    position: relative;
}

.header__nav-link {
    font-family: var(--font-display);
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--color-text-secondary);
    padding: var(--spacing-xs) 0;
    position: relative;
    transition: color var(--transition-normal);
}

.header__nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-primary);
    box-shadow: 0 0 10px var(--color-primary-glow);
    transition: width var(--transition-normal);
}

.header__nav-link:hover,
.header__nav-link--active {
    color: var(--color-primary);
}

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

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

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: calc(var(--header-height) + var(--spacing-2xl)) var(--spacing-lg) var(--spacing-3xl);
}

.hero__container {
    max-width: var(--container-max);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.hero__content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.hero__badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--color-primary-subtle);
    border: 1px solid rgba(255, 215, 0, 0.3);
    border-radius: 50px;
    width: fit-content;
    animation: badgePulse 2s ease-in-out infinite;
}

@keyframes badgePulse {
    0%, 100% { box-shadow: 0 0 0 0 var(--color-primary-glow); }
    50% { box-shadow: 0 0 20px 5px var(--color-primary-glow); }
}

.hero__badge-dot {
    width: 8px;
    height: 8px;
    background: var(--color-primary);
    border-radius: 50%;
    animation: dotBlink 1.5s ease-in-out infinite;
}

@keyframes dotBlink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

.hero__badge-text {
    font-family: var(--font-display);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-primary);
}

.hero__title {
    font-family: var(--font-display);
    font-size: clamp(3rem, 8vw, 5.5rem);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.02em;
}

.hero__title-line {
    display: block;
    color: var(--color-text-primary);
}

.hero__title-line--highlight {
    color: var(--color-primary);
    text-shadow: 0 0 40px var(--color-primary-glow);
    position: relative;
}

.hero__description {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    max-width: 500px;
    line-height: 1.7;
}

.hero__actions {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-sm);
}

.hero__button {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md) var(--spacing-xl);
    font-family: var(--font-display);
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    border-radius: var(--border-radius-md);
    cursor: pointer;
    transition: all var(--transition-normal);
    overflow: hidden;
}

.hero__button--primary {
    background: var(--color-primary);
    color: var(--color-black);
    border: none;
}

.hero__button--primary:hover {
    background: var(--color-primary-light);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px var(--color-primary-glow);
}

.hero__button-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.3) 0%, transparent 60%);
    transform: translate(-50%, -50%) scale(0);
    transition: transform 0.6s ease;
}

.hero__button--primary:hover .hero__button-glow {
    transform: translate(-50%, -50%) scale(1);
}

.hero__button--secondary {
    background: transparent;
    color: var(--color-text-primary);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.hero__button--secondary:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    background: var(--color-primary-subtle);
}

.hero__visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero__image-wrapper {
    position: relative;
    width: 100%;
    max-width: 500px;
    aspect-ratio: 4/3;
    border-radius: var(--border-radius-xl);
    overflow: hidden;
}

.hero__image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    /* Fallback if image doesn't load */
    background: linear-gradient(135deg, var(--color-bg-card), var(--color-bg-elevated));
}

.hero__image-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        135deg,
        rgba(255, 215, 0, 0.1) 0%,
        transparent 50%,
        rgba(0, 0, 0, 0.3) 100%
    );
    pointer-events: none;
}

.hero__image-border {
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    border: 2px solid transparent;
    border-radius: var(--border-radius-xl);
    background: linear-gradient(135deg, var(--color-primary), transparent, var(--color-primary)) border-box;
    -webkit-mask: linear-gradient(#fff 0 0) padding-box, linear-gradient(#fff 0 0);
    mask: linear-gradient(#fff 0 0) padding-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    animation: borderGlow 3s ease-in-out infinite;
}

@keyframes borderGlow {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 1; }
}

.hero__particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.hero__particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--color-primary);
    border-radius: 50%;
    animation: particleFloat 4s ease-in-out infinite;
}

.hero__particle:nth-child(1) { top: 10%; left: 20%; animation-delay: 0s; }
.hero__particle:nth-child(2) { top: 30%; right: 10%; animation-delay: 0.5s; }
.hero__particle:nth-child(3) { bottom: 20%; left: 10%; animation-delay: 1s; }
.hero__particle:nth-child(4) { bottom: 40%; right: 20%; animation-delay: 1.5s; }
.hero__particle:nth-child(5) { top: 50%; left: 50%; animation-delay: 2s; }

@keyframes particleFloat {
    0%, 100% {
        transform: translate(0, 0) scale(1);
        opacity: 0.5;
    }
    50% {
        transform: translate(10px, -20px) scale(1.5);
        opacity: 1;
    }
}

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

.about {
    padding: var(--spacing-3xl) var(--spacing-lg);
    background: linear-gradient(180deg, transparent, var(--color-bg-dark), transparent);
}

.about__container {
    max-width: var(--container-max);
    margin: 0 auto;
}

.about__header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.about__label {
    display: inline-block;
    font-family: var(--font-display);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.about__title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 700;
    color: var(--color-text-primary);
}

.about__title--highlight {
    color: var(--color-primary);
    text-shadow: 0 0 30px var(--color-primary-glow);
}

.about__content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.about__text {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.about__paragraph {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    line-height: 1.8;
}

.about__stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.about__stat {
    text-align: center;
    padding: var(--spacing-lg);
    background: var(--color-bg-card);
    border: 1px solid rgba(255, 215, 0, 0.1);
    border-radius: var(--border-radius-lg);
    transition: all var(--transition-normal);
}

.about__stat:hover {
    border-color: var(--color-primary);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.about__stat-number {
    display: block;
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
}

.about__stat-label {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

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

.services {
    padding: var(--spacing-3xl) var(--spacing-lg);
}

.services__container {
    max-width: var(--container-max);
    margin: 0 auto;
}

.services__header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.services__label {
    display: inline-block;
    font-family: var(--font-display);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.services__title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 700;
    color: var(--color-text-primary);
}

.services__title--highlight {
    color: var(--color-primary);
    text-shadow: 0 0 30px var(--color-primary-glow);
}

.services__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
}

/* Service Card */
.service-card {
    position: relative;
    padding: var(--spacing-xl);
    background: var(--color-bg-card);
    border: 1px solid rgba(255, 215, 0, 0.1);
    border-radius: var(--border-radius-xl);
    transition: all var(--transition-slow);
    overflow: hidden;
}

.service-card:hover {
    border-color: rgba(255, 215, 0, 0.3);
    transform: translateY(-10px);
}

.service-card:hover .service-card__glow {
    opacity: 1;
}

.service-card--featured {
    border-color: rgba(255, 215, 0, 0.3);
    background: linear-gradient(135deg, var(--color-bg-card), rgba(255, 215, 0, 0.05));
}

.service-card__badge {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--color-primary);
    color: var(--color-black);
    font-family: var(--font-display);
    font-size: 0.625rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    border-radius: var(--border-radius-sm);
}

.service-card__icon {
    width: 80px;
    height: 80px;
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-md);
    background: var(--color-primary-subtle);
    border: 1px solid rgba(255, 215, 0, 0.2);
    border-radius: var(--border-radius-lg);
    color: var(--color-primary);
    transition: all var(--transition-normal);
}

.service-card:hover .service-card__icon {
    background: var(--color-primary);
    color: var(--color-black);
    transform: scale(1.1);
}

.service-card__svg {
    width: 100%;
    height: 100%;
}

.service-card__title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-sm);
}

.service-card__description {
    font-size: 1rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: var(--spacing-lg);
}

.service-card__features {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.service-card__feature {
    position: relative;
    padding-left: var(--spacing-md);
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

.service-card__feature::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 6px;
    height: 6px;
    background: var(--color-primary);
    border-radius: 50%;
}

.service-card__glow {
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, var(--color-primary-subtle) 0%, transparent 60%);
    opacity: 0;
    transition: opacity var(--transition-slow);
    pointer-events: none;
}

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

.footer {
    position: relative;
    padding: var(--spacing-3xl) var(--spacing-lg) var(--spacing-lg);
    background: var(--color-bg-dark);
    margin-top: var(--spacing-3xl);
}

.footer__glow {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg,
        transparent,
        var(--color-primary),
        var(--color-primary-light),
        var(--color-primary),
        transparent
    );
    box-shadow:
        0 0 10px var(--color-primary-glow),
        0 0 20px var(--color-primary-glow),
        0 0 40px var(--color-primary-glow);
    animation: glowPulse 3s ease-in-out infinite;
}

@keyframes glowPulse {
    0%, 100% { opacity: 0.7; }
    50% { opacity: 1; }
}

.footer__container {
    max-width: var(--container-max);
    margin: 0 auto;
}

.footer__content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: var(--spacing-3xl);
    padding-bottom: var(--spacing-xl);
    border-bottom: 1px solid rgba(255, 215, 0, 0.1);
}

.footer__brand {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-md);
}

.footer__logo {
    height: 100px;
    width: auto;
    object-fit: contain;
    border-radius: var(--border-radius-md);
    border: 1px solid rgba(255, 215, 0, 0.2);
    box-shadow: 0 4px 20px rgba(255, 215, 0, 0.1);
}

.footer__tagline {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    max-width: 300px;
}

.footer__heading {
    font-family: var(--font-display);
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
}

.footer__contact-list,
.footer__link-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer__contact-item {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

.footer__contact-label {
    color: var(--color-text-muted);
    margin-right: var(--spacing-xs);
}

.footer__contact-link {
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
}

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

.footer__link {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
}

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

.footer__bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--spacing-lg);
}

.footer__copyright,
.footer__powered {
    font-size: 0.75rem;
    color: var(--color-text-muted);
}

.footer__powered {
    font-family: var(--font-display);
    letter-spacing: 0.05em;
}

/* =============================================
   RESPONSIVE DESIGN
   ============================================= */

@media (max-width: 1024px) {
    .hero__container {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
        text-align: center;
    }

    .hero__content {
        align-items: center;
    }

    .hero__description {
        max-width: 600px;
    }

    .hero__actions {
        justify-content: center;
    }

    .hero__visual {
        order: -1;
    }

    .hero__image-wrapper {
        max-width: 400px;
    }

    .about__content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }

    .about__stats {
        max-width: 500px;
        margin: 0 auto;
    }

    .services__grid {
        grid-template-columns: repeat(2, 1fr);
        max-width: none;
    }

    .footer__content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
        text-align: center;
    }

    .footer__brand {
        align-items: center;
    }

    .footer__bottom {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
}

@media (max-width: 768px) {
    :root {
        --header-height: 70px;
    }

    .header__menu-toggle {
        display: flex;
    }

    .header__nav-list {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 300px;
        height: 100vh;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: var(--spacing-xl);
        background: var(--color-bg-dark);
        border-left: 1px solid rgba(255, 215, 0, 0.2);
        transition: right var(--transition-normal);
    }

    .header__nav-list--open {
        right: 0;
    }

    .header__nav-link {
        font-size: 1.25rem;
    }

    .hero {
        padding-top: calc(var(--header-height) + var(--spacing-xl));
    }

    .hero__actions {
        flex-direction: column;
        width: 100%;
        max-width: 300px;
    }

    .hero__button {
        width: 100%;
    }

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

    .services__grid {
        grid-template-columns: 1fr;
        max-width: 500px;
        margin: 0 auto;
        gap: var(--spacing-md);
    }
}

@media (max-width: 480px) {
    .hero__title {
        font-size: 2.5rem;
    }

    .service-card {
        padding: var(--spacing-lg);
    }

    .service-card__icon {
        width: 60px;
        height: 60px;
        padding: var(--spacing-sm);
    }

    .service-card__title {
        font-size: 1.25rem;
    }
}

/* =============================================
   UTILITY CLASSES
   ============================================= */

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}