/* ===== CSS Variables ===== */
:root {
    --primary-bg: #1A1F36;
    --secondary-bg: #212842;
    --accent-orange: #FF7A00;
    --accent-orange-hover: #FF8C1A;
    --text-white: #FFFFFF;
    --text-gray: #D1D5DB;
    --text-light-gray: #9CA3AF;
    --card-bg: #252B45;
    --card-hover: #2D3454;
    --transition: all 0.3s ease;
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    --shadow-hover: 0 15px 40px rgba(255, 122, 0, 0.2);
}

/* ===== Global Styles ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', sans-serif;
    background-color: var(--primary-bg);
    color: var(--text-white);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ===== Header & Navigation ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(26, 31, 54, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

.navbar {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    gap: 10px;
    min-width: 0; /* allow text to truncate if needed */
}

.logo-icon {
    width: 40px;
    height: auto; /* maintain aspect ratio */
    aspect-ratio: 1 / 1; /* modern browsers */
    flex: 0 0 auto; /* prevent shrinking in flex */
    animation: float 3s ease-in-out infinite;
}

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

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-white);
    white-space: nowrap; /* keep brand on a single line */
}

.highlight {
    color: var(--accent-orange);
}

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

.nav-link {
    color: var(--text-gray);
    text-decoration: none;
    font-weight: 500;
    position: relative;
    transition: var(--transition);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-orange);
    transition: var(--transition);
}

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

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

.auth-buttons {
    display: flex;
    gap: 1rem;
}

.btn {
    padding: 0.7rem 1.8rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    border: 2px solid transparent;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn-login {
    color: var(--text-white);
    border-color: var(--accent-orange);
    background: transparent;
}

.btn-login:hover {
    background: var(--accent-orange);
    box-shadow: 0 5px 20px rgba(255, 122, 0, 0.4);
}

.btn-register,
.btn-primary {
    background: var(--accent-orange);
    color: var(--text-white);
    border-color: var(--accent-orange);
}

.btn-register:hover,
.btn-primary:hover {
    background: var(--accent-orange-hover);
    box-shadow: 0 5px 20px rgba(255, 122, 0, 0.4);
    transform: translateY(-2px);
}

.btn-glow {
    animation: glow 2s ease-in-out infinite;
}

@keyframes glow {
    0%, 100% {
        box-shadow: 0 0 10px rgba(255, 122, 0, 0.3), 0 0 20px rgba(255, 122, 0, 0.2);
    }
    50% {
        box-shadow: 0 0 20px rgba(255, 122, 0, 0.5), 0 0 30px rgba(255, 122, 0, 0.3);
    }
}

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

.btn-secondary:hover {
    background: var(--text-white);
    color: var(--primary-bg);
}

.mobile-menu-toggle {
    display: none;
    font-size: 1.5rem;
    color: var(--text-white);
    cursor: pointer;
}

/* Menu panel container to group links and auth for mobile */
.menu-panel {
    display: flex;
    align-items: center;
    gap: 2rem;
}

/* ===== Hero Section ===== */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: flex-start; /* move content up */
    align-items: center;
    position: relative;
    padding: 200px 2rem 0; /* move heading further down */
    overflow: hidden;
}

.wave-background {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.wave {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: auto;
    animation: wave 15s linear infinite;
}

@keyframes wave {
    0% { transform: translateX(0); }
    50% { transform: translateX(-25%); }
    100% { transform: translateX(0); }
}

.hero-content {
    text-align: center;
    z-index: 1;
    max-width: 900px;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.4rem;
    color: var(--text-gray);
    margin-bottom: 2.5rem;
    font-weight: 300;
}

.hero-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

.fade-in {
    animation: fadeInUp 1s ease-out;
}

.fade-in-delay {
    animation: fadeInUp 1s ease-out 0.3s backwards;
}

.fade-in-delay-2 {
    animation: fadeInUp 1s ease-out 0.6s backwards;
}

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

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    z-index: 1;
}

.mouse {
    width: 26px;
    height: 40px;
    border: 2px solid var(--accent-orange);
    border-radius: 20px;
    display: flex;
    justify-content: center;
    padding-top: 8px;
    margin: 0 auto 8px;
}

.wheel {
    width: 4px;
    height: 8px;
    background: var(--accent-orange);
    border-radius: 2px;
    animation: scroll 1.5s ease-in-out infinite;
}

@keyframes scroll {
    0% { transform: translateY(0); opacity: 1; }
    100% { transform: translateY(12px); opacity: 0; }
}

.scroll-indicator p {
    font-size: 0.8rem;
    color: var(--text-light-gray);
}

/* ===== Section Common Styles ===== */
section {
    padding: 6rem 0;
}

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

.section-tag {
    display: inline-block;
    color: var(--accent-orange);
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 1rem;
}

.section-title {
    font-size: 2.8rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.title-underline {
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-orange), var(--accent-orange-hover));
    margin: 0 auto;
    border-radius: 2px;
}

/* ===== About Section ===== */
.about {
    background: var(--secondary-bg);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 4rem;
    align-items: center;
}

.about-image {
    position: relative;
}

.image-placeholder {
    width: 100%;
    max-width: 350px;
    margin: 0 auto;
}

.image-placeholder svg {
    width: 100%;
    height: auto;
    filter: drop-shadow(0 10px 30px rgba(255, 122, 0, 0.3));
}

.about-text {
    color: var(--text-gray);
}

.about-description {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.about-description strong {
    color: var(--accent-orange);
}

.about-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-top: 2.5rem;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--card-bg);
    border-radius: 10px;
    transition: var(--transition);
}

.feature-item:hover {
    background: var(--card-hover);
    transform: translateX(5px);
}

.feature-item i {
    font-size: 1.8rem;
    color: var(--accent-orange);
}

.feature-item span {
    font-weight: 500;
}

/* ===== Products Section ===== */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.product-card {
    background: var(--card-bg);
    padding: 2.5rem;
    border-radius: 15px;
    transition: var(--transition);
    box-shadow: var(--shadow);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-orange), var(--accent-orange-hover));
    transform: scaleX(0);
    transition: var(--transition);
}

.product-card:hover {
    background: var(--card-hover);
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
}

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

.card-icon {
    width: 70px;
    height: 70px;
    background: rgba(255, 122, 0, 0.1);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    transition: var(--transition);
}

.product-card:hover .card-icon {
    background: var(--accent-orange);
    transform: rotateY(360deg);
}

.card-icon i {
    font-size: 2rem;
    color: var(--accent-orange);
    transition: var(--transition);
}

.product-card:hover .card-icon i {
    color: var(--text-white);
}

.card-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.card-description {
    color: var(--text-gray);
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.card-link {
    color: var(--accent-orange);
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition);
}

.card-link:hover {
    gap: 12px;
}

/* ===== Contact Section ===== */
.contact {
    background: var(--secondary-bg);
}

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

.whatsapp-cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem;
    max-width: 900px;
    width: 100%;
}

.whatsapp-card {
    background: var(--card-bg);
    padding: 3rem 2rem;
    border-radius: 20px;
    text-align: center;
    text-decoration: none;
    color: var(--text-white);
    transition: var(--transition);
    box-shadow: var(--shadow);
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

.whatsapp-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(37, 211, 102, 0.1) 0%, rgba(255, 122, 0, 0.1) 100%);
    opacity: 0;
    transition: var(--transition);
}

.whatsapp-card:hover {
    transform: translateY(-15px);
    box-shadow: var(--shadow-hover);
    background: var(--card-hover);
}

.whatsapp-card:hover::before {
    opacity: 1;
}

.whatsapp-icon {
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, #25D366 0%, #20BA5A 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 2rem;
    transition: var(--transition);
    box-shadow: 0 10px 30px rgba(37, 211, 102, 0.3);
}

.whatsapp-card:hover .whatsapp-icon {
    transform: scale(1.1) rotate(360deg);
    box-shadow: 0 15px 40px rgba(37, 211, 102, 0.5);
}

.whatsapp-icon i {
    font-size: 3rem;
    color: var(--text-white);
}

.whatsapp-card h3 {
    font-size: 1.6rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-white);
}

.phone-number {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--accent-orange);
    margin-bottom: 1rem;
    letter-spacing: 1px;
}

.whatsapp-badge {
    display: inline-block;
    background: rgba(37, 211, 102, 0.2);
    color: #25D366;
    padding: 0.5rem 1.5rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-top: 0.5rem;
}

.card-arrow {
    margin-top: 1.5rem;
    opacity: 0;
    transform: translateX(-10px);
    transition: var(--transition);
}

.whatsapp-card:hover .card-arrow {
    opacity: 1;
    transform: translateX(0);
}

.card-arrow i {
    font-size: 1.5rem;
    color: var(--accent-orange);
}

/* ===== Footer ===== */
.footer {
    background: #151929;
    padding: 3rem 0 1.5rem;
    border-top: 1px solid rgba(255, 122, 0, 0.1);
}

.footer-content {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 2rem;
}

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

.footer-divider {
    height: 1px;
    background: rgba(255, 255, 255, 0.1);
    margin: 2rem 0;
}

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

.footer-bottom p {
    color: var(--text-light-gray);
    font-size: 0.95rem;
}

/* ===== Responsive Design ===== */
@media (max-width: 1024px) {
    .hero { padding-top: 170px; }
    .hero-title {
        font-size: 2.8rem;
    }

    .hero-subtitle {
        font-size: 1.2rem;
    }

    .about-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .whatsapp-cards {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .products-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    }
}

@media (max-width: 768px) {
    .mobile-menu-toggle { display: block; }

    .menu-panel {
        position: absolute;
        top: 100%;
        right: 0;
        left: 0;
        background: rgba(26, 31, 54, 0.98);
        backdrop-filter: blur(10px);
        display: none; /* hidden by default */
        flex-direction: column;
        padding: 1rem 1rem 1.25rem;
        border-bottom: 1px solid rgba(255,255,255,0.08);
        box-shadow: 0 10px 30px rgba(0,0,0,0.35);
        z-index: 999;
        animation: dropdownIn 200ms ease-out both;
    }

    .menu-panel.open { display: flex; }

    @keyframes dropdownIn {
        from { opacity: 0; transform: translateY(-8px); }
        to { opacity: 1; transform: translateY(0); }
    }

    .nav-links { 
        width: 100%;
        flex-direction: column; 
        gap: 0.75rem; 
    }
    .nav-links li a { padding: 0.5rem 0; display: block; }

    .auth-buttons { 
        width: 100%; 
        justify-content: stretch; 
    }
    .auth-buttons .btn { width: 100%; justify-content: center; }

    .auth-buttons {
        gap: 0.5rem;
    }

    .btn {
        padding: 0.6rem 1.2rem;
        font-size: 0.9rem;
    }

    .hero-title {
        font-size: 2.2rem;
    }

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

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

    .section-title {
        font-size: 2rem;
    }

    .about-features {
        grid-template-columns: 1fr;
    }

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

    .footer-content {
        flex-direction: column;
        gap: 2rem;
    }
}

@media (max-width: 480px) {
    .navbar {
        padding: 1rem;
    }

    .hero {
        padding: 140px 1rem 0; /* move heading further down on mobile */
    }

    .logo-icon {
        width: 32px; /* slightly smaller on mobile */
        animation: none; /* reduce motion on small screens */
    }

    .logo-text {
        font-size: 1.2rem; /* prevent wrap/squish */
        line-height: 1;
    }
    .hero-title {
        font-size: 1.8rem;
    }

    .section-title {
        font-size: 1.6rem;
    }

    section {
        padding: 4rem 0;
    }
}