/* ===== CSS Variables ===== */
:root {
    --primary-color: #0a1628;
    --primary-dark: #050a14;
    --secondary-color: #d4af37;
    --accent-color: #ffd700;
    --text-dark: #ffffff;
    --text-light: #a0aec0;
    --text-white: #ffffff;
    --bg-light: #0f2137;
    --bg-white: #0a1628;
    --bg-dark: #050a14;
    --gradient-primary: linear-gradient(135deg, #0a1628 0%, #1a365d 50%, #2c5282 100%);
    --gradient-secondary: linear-gradient(135deg, #d4af37 0%, #ffd700 100%);
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3), 0 1px 2px rgba(0, 0, 0, 0.4);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.4);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 20px rgba(212, 175, 55, 0.3);
    --transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --border-radius: 12px;
    --container-width: 1200px;
}

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

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background: var(--gradient-primary);
    background-attachment: fixed;
    overflow-x: hidden;
}

/* ===== Container ===== */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* ===== Header ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(10, 22, 40, 0.95);
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-lg);
    z-index: 1000;
    padding: 1rem 0;
    border-bottom: 1px solid rgba(212, 175, 55, 0.2);
}

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

.nav__logo .logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-white);
    text-decoration: none;
}

.nav__logo .logo--accent {
    background: var(--gradient-secondary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav__menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav__link {
    color: var(--text-white);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
    padding: 0.5rem 1rem;
    border-radius: 8px;
}

.nav__link:hover {
    color: var(--accent-color);
    background: rgba(212, 175, 55, 0.1);
    transform: translateY(-2px);
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--gradient-secondary);
    transition: var(--transition);
    transform: translateX(-50%);
}

.nav__link:hover::after {
    width: 80%;
}

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

.nav__toggle span {
    width: 25px;
    height: 3px;
    background: var(--text-dark);
    border-radius: 3px;
    transition: var(--transition);
}

/* ===== Hero Section ===== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 0 80px;
    background: linear-gradient(135deg, rgba(10, 22, 40, 0.9) 0%, rgba(26, 54, 93, 0.8) 50%, rgba(44, 82, 130, 0.7) 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 200%;
    background: var(--gradient-secondary);
    opacity: 0.1;
    transform: rotate(45deg);
    animation: rotate 20s linear infinite;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 50%, rgba(212, 175, 55, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 80% 50%, rgba(212, 175, 55, 0.1) 0%, transparent 50%);
}

.hero__container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero__title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    color: var(--text-white);
    text-shadow: 0 0 30px rgba(212, 175, 55, 0.3);
}

.hero__title--accent {
    background: var(--gradient-secondary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: glow 2s ease-in-out infinite alternate;
}

@keyframes glow {
    from {
        text-shadow: 0 0 10px rgba(212, 175, 55, 0.5);
    }
    to {
        text-shadow: 0 0 20px rgba(212, 175, 55, 0.8), 0 0 30px rgba(255, 215, 0, 0.6);
    }
}

.hero__description {
    font-size: 1.125rem;
    color: var(--text-light);
    margin-bottom: 2rem;
    max-width: 600px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.hero__buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

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

.hero__image-wrapper {
    position: relative;
    animation: float 6s ease-in-out infinite;
}

.hero__logo-image {
    width: 100%;
    max-width: 400px;
    height: auto;
    filter: drop-shadow(0 0 30px rgba(212, 175, 55, 0.5));
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

/* ===== Buttons ===== */
.btn {
    display: inline-block;
    padding: 1rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    font-size: 1rem;
    position: relative;
    overflow: hidden;
}

.btn--primary {
    background: var(--gradient-secondary);
    color: var(--bg-dark);
    box-shadow: var(--shadow-glow);
}

.btn--primary:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 0 30px rgba(212, 175, 55, 0.5);
}

.btn--secondary {
    background: transparent;
    color: var(--text-white);
    border: 2px solid var(--accent-color);
    box-shadow: var(--shadow-glow);
}

.btn--secondary:hover {
    background: var(--accent-color);
    color: var(--bg-dark);
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 0 30px rgba(255, 215, 0, 0.5);
}

/* ===== Section Styles ===== */
section {
    padding: 80px 0;
}

.section__header {
    text-align: center;
    margin-bottom: 4rem;
}

.section__title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-white);
    text-shadow: 0 0 20px rgba(212, 175, 55, 0.3);
}

.section__title--accent {
    background: var(--gradient-secondary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: glow 2s ease-in-out infinite alternate;
}

.section__description {
    font-size: 1.125rem;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

/* ===== Services Section ===== */
.services {
    background: rgba(15, 33, 55, 0.5);
    backdrop-filter: blur(10px);
}

.services__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.service-card {
    background: rgba(10, 22, 40, 0.8);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
    text-align: center;
    border: 1px solid rgba(212, 175, 55, 0.2);
    backdrop-filter: blur(10px);
}

.service-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: var(--shadow-glow);
    border-color: rgba(212, 175, 55, 0.5);
}

.service-card__icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    background: var(--gradient-secondary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--bg-dark);
    box-shadow: var(--shadow-glow);
}

.service-card__title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-white);
}

.service-card__description {
    color: var(--text-light);
    line-height: 1.6;
}

/* ===== About Section ===== */
.about {
    background: rgba(15, 33, 55, 0.5);
    backdrop-filter: blur(10px);
}

.about__content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about__description {
    font-size: 1.125rem;
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 2rem;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.about__stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.stat {
    text-align: center;
    padding: 1.5rem;
    background: rgba(10, 22, 40, 0.6);
    border-radius: var(--border-radius);
    border: 1px solid rgba(212, 175, 55, 0.2);
    transition: var(--transition);
}

.stat:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-glow);
    border-color: rgba(212, 175, 55, 0.5);
}

.stat__number {
    display: block;
    font-size: 2.5rem;
    font-weight: 800;
    background: var(--gradient-secondary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: glow 2s ease-in-out infinite alternate;
}

.stat__label {
    font-size: 0.875rem;
    color: var(--text-light);
    margin-top: 0.5rem;
}

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

.about__image-wrapper {
    position: relative;
    animation: float 8s ease-in-out infinite;
}

.about__brand-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1.5rem;
    width: 100%;
    max-width: 380px;
    padding: 0;
    background: transparent;
    border: none;
    box-shadow: none;
    backdrop-filter: none;
}

.about__logo-image {
    width: 100%;
    max-width: 260px;
    height: auto;
    filter: drop-shadow(0 0 24px rgba(212, 175, 55, 0.45));
}

.about__tagline {
    text-align: center;
    font-size: 1.05rem;
    font-weight: 500;
    line-height: 1.6;
    color: var(--text-light);
    letter-spacing: 0.02em;
}

.about__tagline::before {
    content: '';
    display: block;
    width: 60px;
    height: 2px;
    margin: 0 auto 1.25rem;
    background: var(--gradient-secondary);
    border-radius: 2px;
}

/* ===== Contact Section ===== */
.contact {
    background: rgba(15, 33, 55, 0.5);
    backdrop-filter: blur(10px);
}

.contact__content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact__info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-item {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
    padding: 1.5rem;
    background: rgba(10, 22, 40, 0.6);
    border-radius: var(--border-radius);
    border: 1px solid rgba(212, 175, 55, 0.2);
    transition: var(--transition);
}

.contact-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-glow);
    border-color: rgba(212, 175, 55, 0.5);
}

.contact-item__icon {
    width: 50px;
    height: 50px;
    background: var(--gradient-secondary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--bg-dark);
    flex-shrink: 0;
    box-shadow: var(--shadow-glow);
}

.contact-item__text h4 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-white);
}

.contact-item__text p {
    color: var(--text-light);
    margin-bottom: 0.25rem;
    padding: 0.5rem 1rem;
    background: rgba(212, 175, 55, 0.1);
    border: 1px solid rgba(212, 175, 55, 0.3);
    border-radius: 8px;
    display: inline-block;
    font-weight: 600;
}

.contact-item__link {
    color: #ffd700;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}

.contact-item__link:hover {
    color: #ffe566;
    text-decoration: underline;
}

.contact__form {
    background: rgba(10, 22, 40, 0.8);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(212, 175, 55, 0.2);
    backdrop-filter: blur(10px);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    border: 2px solid rgba(212, 175, 55, 0.3);
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition);
    background: rgba(10, 22, 40, 0.6);
    color: var(--text-white);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: var(--shadow-glow);
}

.form-group textarea {
    resize: vertical;
}

/* ===== Footer ===== */
.footer {
    background: var(--bg-dark);
    color: var(--text-white);
    padding: 4rem 0 2rem;
    border-top: 1px solid rgba(212, 175, 55, 0.2);
}

.footer__content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer__title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    background: var(--gradient-secondary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer__description {
    color: #a0aec0;
    line-height: 1.6;
}

.footer__subtitle {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-white);
}

.footer__links {
    list-style: none;
}

.footer__links li {
    margin-bottom: 0.5rem;
}

.footer__links a {
    color: #a0aec0;
    text-decoration: none;
    transition: var(--transition);
    padding: 0.5rem;
    display: block;
    border-radius: 8px;
}

.footer__links a:hover {
    color: var(--accent-color);
    background: rgba(212, 175, 55, 0.1);
    transform: translateX(5px);
}

.footer__social {
    display: flex;
    gap: 1rem;
}

.social-link {
    width: 40px;
    height: 40px;
    background: rgba(212, 175, 55, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-white);
    transition: var(--transition);
    border: 1px solid rgba(212, 175, 55, 0.3);
}

.social-link:hover {
    background: var(--gradient-secondary);
    transform: translateY(-3px) scale(1.1);
    box-shadow: var(--shadow-glow);
    border-color: var(--accent-color);
}

.footer__bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(212, 175, 55, 0.2);
    color: #a0aec0;
}

/* ===== Responsive Design ===== */
@media (max-width: 1024px) {
    .hero__container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero__description {
        margin: 0 auto 2rem;
    }

    .hero__buttons {
        justify-content: center;
    }

    .hero__image {
        order: -1;
    }

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

    .about__image {
        order: -1;
    }

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

@media (max-width: 768px) {
    html {
        font-size: 14px;
    }

    body {
        background: linear-gradient(135deg, #0a1628 0%, #1a365d 50%, #2c5282 100%);
        background-attachment: fixed;
    }

    .nav__toggle {
        display: flex;
    }

    .nav__menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: rgba(10, 22, 40, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 2rem;
        gap: 1rem;
        box-shadow: var(--shadow-lg);
        transform: translateY(-150%);
        transition: var(--transition);
        border-bottom: 1px solid rgba(212, 175, 55, 0.2);
    }

    .nav__menu.active {
        transform: translateY(0);
    }

    .hero__title {
        font-size: 2.5rem;
    }

    .section__title {
        font-size: 2rem;
    }

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

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

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

    .footer__social {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    body {
        background: linear-gradient(135deg, #0a1628 0%, #1a365d 50%, #2c5282 100%);
        background-attachment: fixed;
    }

    .hero__title {
        font-size: 2rem;
    }

    .hero__buttons {
        flex-direction: column;
    }

    .btn {
        width: 100%;
        text-align: center;
    }

    .contact-item {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .service-card {
        background: rgba(10, 22, 40, 0.95);
        border: 1px solid rgba(212, 175, 55, 0.2);
    }

    .stat {
        background: rgba(10, 22, 40, 0.95);
        border: 1px solid rgba(212, 175, 55, 0.2);
    }
}

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

.fade-in-up {
    animation: fadeInUp 0.6s ease forwards;
}

/* ===== Scroll to Top Button ===== */
.scroll-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--gradient-secondary);
    color: var(--bg-dark);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-glow);
    transition: var(--transition);
    z-index: 999;
    border: 2px solid rgba(212, 175, 55, 0.3);
}

.scroll-top:hover {
    transform: translateY(-5px) scale(1.1);
    box-shadow: 0 0 30px rgba(212, 175, 55, 0.6);
}

.scroll-top.show {
    display: flex;
    animation: bounce 0.5s ease;
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

/* ===== Loading Animation ===== */
.loading {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.5s ease;
}

.loading.hidden {
    opacity: 0;
    pointer-events: none;
}

.loading__spinner {
    width: 50px;
    height: 50px;
    border: 3px solid rgba(212, 175, 55, 0.2);
    border-top-color: var(--accent-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    box-shadow: var(--shadow-glow);
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ===== WhatsApp Floating Button ===== */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #25d366 0%, #128c7e 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.4);
    z-index: 1000;
    transition: var(--transition);
    border: 2px solid rgba(255, 255, 255, 0.2);
}

.whatsapp-float:hover {
    transform: translateY(-5px) scale(1.1);
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.6);
}

.whatsapp-float svg {
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}