/* ===== CSS CUSTOM PROPERTIES (Brand Colors from Logo) ===== */
:root {
    /* Primary: Deep purple-navy from logo background */
    --color-primary: #1a0a2e;
    /* Secondary: Medium purple from logo icon */
    --color-secondary: #7c4dbd;
    /* Accent: Light lavender from logo text */
    --color-accent: #b388ff;

    /* Neutrals */
    --color-white: #ffffff;
    --color-light: #f8f6fc;
    --color-gray: #6b7280;
    --color-dark: #111827;

    /* Typography */
    --font-heading: 'Playfair Display', serif;
    --font-body: 'Inter', sans-serif;

    /* Spacing */
    --section-padding: 100px 0;
    --container-max: 1200px;

    /* Transitions */
    --transition: all 0.3s ease;
    --transition-slow: all 0.6s ease;

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(26, 10, 46, 0.06);
    --shadow-md: 0 4px 20px rgba(26, 10, 46, 0.1);
    --shadow-lg: 0 8px 40px rgba(26, 10, 46, 0.15);
}

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

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

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

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

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

ul {
    list-style: none;
}

/* ===== UTILITY CLASSES ===== */
.container {
    width: 90%;
    max-width: var(--container-max);
    margin: 0 auto;
}

.section {
    padding: var(--section-padding);
}

.section-title {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-primary);
    text-align: center;
    margin-bottom: 60px;
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--color-secondary), var(--color-accent));
    margin: 16px auto 0;
    border-radius: 2px;
}

/* ===== FADE-IN ANIMATION ===== */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ===== NAVIGATION ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(26, 10, 46, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 16px 0;
    transition: var(--transition);
}

.navbar.scrolled {
    padding: 10px 0;
    box-shadow: var(--shadow-lg);
}

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

.nav-logo img {
    height: 45px;
    width: auto;
    mix-blend-mode: lighten;
}

.nav-list {
    display: flex;
    gap: 36px;
}

.nav-link {
    color: rgba(255, 255, 255, 0.85);
    font-size: 0.95rem;
    font-weight: 500;
    letter-spacing: 0.3px;
    position: relative;
    padding: 4px 0;
}

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

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

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

/* Hamburger Menu */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.bar {
    width: 25px;
    height: 2.5px;
    background: var(--color-white);
    border-radius: 2px;
    transition: var(--transition);
}

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

.hamburger.active .bar:nth-child(2) {
    opacity: 0;
}

.hamburger.active .bar:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* ===== HERO SECTION ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary) 0%, #2d1458 50%, var(--color-secondary) 100%);
    overflow: hidden;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at center, rgba(179, 136, 255, 0.1) 0%, transparent 70%);
}

.hero-content {
    position: relative;
    text-align: center;
    z-index: 1;
    padding: 120px 0 80px;
}

.hero-logo {
    width: 220px;
    margin: 0 auto 30px;
    filter: drop-shadow(0 4px 20px rgba(179, 136, 255, 0.3));
}

.hero-title {
    font-family: var(--font-heading);
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}

.hero-tagline {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.8);
    font-weight: 300;
    margin-bottom: 40px;
    letter-spacing: 0.5px;
}

/* Button Styles */
.btn {
    display: inline-block;
    padding: 14px 40px;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    cursor: pointer;
    transition: var(--transition);
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-secondary), var(--color-accent));
    color: var(--color-white);
    box-shadow: 0 4px 20px rgba(124, 77, 189, 0.4);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(124, 77, 189, 0.6);
}

/* ===== ABOUT SECTION ===== */
.about {
    background: var(--color-light);
}

.about-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.about-text {
    font-size: 1.1rem;
    line-height: 1.9;
    color: var(--color-gray);
    margin-bottom: 40px;
}

.license-logos {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 50px;
    flex-wrap: wrap;
}

.license-logo {
    height: 70px;
    width: auto;
    object-fit: contain;
    opacity: 0.85;
    transition: var(--transition);
    filter: grayscale(20%);
}

.license-logo:hover {
    opacity: 1;
    filter: grayscale(0%);
    transform: scale(1.05);
}

/* ===== SERVICES SECTION ===== */
.services {
    background: var(--color-white);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.service-card {
    background: var(--color-white);
    border: 1px solid rgba(124, 77, 189, 0.1);
    border-radius: 16px;
    padding: 40px 30px;
    text-align: center;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--color-secondary), var(--color-accent));
    transform: scaleX(0);
    transition: var(--transition);
}

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

.service-card:hover::before {
    transform: scaleX(1);
}

.service-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(124, 77, 189, 0.1), rgba(179, 136, 255, 0.1));
    border-radius: 16px;
    transition: var(--transition);
}

.service-icon svg {
    width: 32px;
    height: 32px;
    color: var(--color-secondary);
    transition: var(--transition);
}

.service-card:hover .service-icon {
    background: linear-gradient(135deg, var(--color-secondary), var(--color-accent));
}

.service-card:hover .service-icon svg {
    color: var(--color-white);
}

.service-title {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 12px;
}

.service-desc {
    font-size: 0.95rem;
    color: var(--color-gray);
    line-height: 1.7;
}

/* ===== TEAM SECTION ===== */
.team {
    background: var(--color-light);
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
    max-width: 1000px;
    margin: 0 auto;
}

.team-card {
    background: var(--color-white);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.team-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-5px);
}

.team-img-wrapper {
    width: 220px;
    height: 220px;
    border-radius: 50%;
    overflow: hidden;
    margin: 30px auto 0;
    border: 4px solid rgba(124, 77, 189, 0.15);
    position: relative;
}

.team-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top;
    transition: var(--transition-slow);
}

.team-card:hover .team-img {
    transform: scale(1.08);
}

.placeholder-icon {
    width: 220px;
    height: 220px;
    border-radius: 50%;
    margin: 30px auto 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(124, 77, 189, 0.08), rgba(179, 136, 255, 0.12));
}

.placeholder-icon svg {
    width: 80px;
    height: 80px;
    color: var(--color-secondary);
    opacity: 0.6;
}

.team-info {
    padding: 30px;
}

.team-name {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 6px;
}

.team-role {
    display: inline-block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 16px;
}

.team-desc {
    font-size: 0.92rem;
    color: var(--color-gray);
    line-height: 1.7;
    margin-bottom: 10px;
}

.team-desc:last-child {
    margin-bottom: 0;
}

/* ===== CONTACT SECTION ===== */
.contact {
    background: var(--color-white);
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    max-width: 900px;
    margin: 0 auto;
}

.contact-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 40px 24px;
    border-radius: 16px;
    background: var(--color-light);
    border: 1px solid transparent;
    transition: var(--transition);
}

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

.contact-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-secondary), var(--color-accent));
    border-radius: 50%;
    margin-bottom: 20px;
}

.contact-icon svg {
    width: 24px;
    height: 24px;
    color: var(--color-white);
}

.contact-label {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 8px;
}

.contact-detail {
    font-size: 0.9rem;
    color: var(--color-gray);
}

/* ===== FOOTER ===== */
.footer {
    background: var(--color-primary);
    padding: 30px 0;
}

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

.footer-text {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
}

/* ===== BACK TO TOP BUTTON ===== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-secondary), var(--color-accent));
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: var(--transition);
    box-shadow: var(--shadow-md);
    z-index: 999;
}

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

.back-to-top:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.back-to-top svg {
    width: 20px;
    height: 20px;
    color: var(--color-white);
}

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

/* Tablet */
@media (max-width: 992px) {
    .section-title {
        font-size: 2.1rem;
    }

    .hero-title {
        font-size: 2.8rem;
    }

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

    .team-grid {
        grid-template-columns: 1fr;
        max-width: 500px;
    }

    .contact-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
    }
}

/* Mobile */
@media (max-width: 768px) {
    :root {
        --section-padding: 70px 0;
    }

    /* Mobile Navigation */
    .hamburger {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: var(--color-primary);
        flex-direction: column;
        padding: 100px 40px 40px;
        transition: var(--transition);
        box-shadow: -5px 0 30px rgba(0, 0, 0, 0.3);
    }

    .nav-menu.active {
        right: 0;
    }

    .nav-list {
        flex-direction: column;
        gap: 24px;
    }

    .nav-link {
        font-size: 1.1rem;
    }

    /* Hero adjustments */
    .hero-title {
        font-size: 2.2rem;
    }

    .hero-tagline {
        font-size: 1rem;
    }

    .hero-logo {
        width: 160px;
    }

    /* Services */
    .services-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin: 0 auto;
    }

    /* Section title */
    .section-title {
        font-size: 1.8rem;
        margin-bottom: 40px;
    }

    /* Team */
    .team-img-wrapper {
        width: 180px;
        height: 180px;
    }

    /* Contact */
    .contact-grid {
        gap: 20px;
    }
}

/* Small Mobile */
@media (max-width: 480px) {
    .hero-title {
        font-size: 1.8rem;
    }

    .hero-tagline {
        font-size: 0.9rem;
    }

    .btn {
        padding: 12px 32px;
        font-size: 0.9rem;
    }

    .license-logos {
        gap: 30px;
    }

    .license-logo {
        height: 50px;
    }
}