/* ========================================
   Fibre Arts LLC - Website Styles
   Color palette derived from brochure:
   Primary blue: #5BC0EB
   Dark blue: #3A9BC7
   Gray text: #555555
   Dark: #333333
   Light bg: #f0f6fa
   ======================================== */

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

:root {
    --primary: #5BC0EB;
    --primary-dark: #3A9BC7;
    --primary-light: #a8ddf3;
    --dark: #333333;
    --gray: #555555;
    --gray-light: #888888;
    --bg-light: #f0f6fa;
    --bg-white: #ffffff;
    --shadow: 0 4px 20px rgba(91, 192, 235, 0.15);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.1);
    --radius: 8px;
    --transition: 0.3s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Open Sans', sans-serif;
    color: var(--gray);
    line-height: 1.7;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Montserrat', sans-serif;
    color: var(--dark);
    line-height: 1.3;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

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

/* ---- Diamond pattern background (matching brochure) ---- */
.hero-bg-pattern,
.products::before {
    position: absolute;
    inset: 0;
    opacity: 0.06;
    background-image:
        linear-gradient(45deg, var(--primary) 25%, transparent 25%),
        linear-gradient(-45deg, var(--primary) 25%, transparent 25%),
        linear-gradient(45deg, transparent 75%, var(--primary) 75%),
        linear-gradient(-45deg, transparent 75%, var(--primary) 75%);
    background-size: 60px 60px;
    background-position: 0 0, 0 30px, 30px -30px, 30px 0;
    pointer-events: none;
    z-index: 0;
}

/* ========== NAVBAR ========== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 20px 0;
    transition: var(--transition);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.97);
    backdrop-filter: blur(10px);
    padding: 12px 0;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    text-decoration: none;
    font-family: 'Montserrat', sans-serif;
    font-weight: 800;
    font-size: 1.4rem;
}

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

.logo-llc {
    color: var(--gray-light);
    font-weight: 400;
    font-size: 0.55em;
    letter-spacing: 3px;
    display: block;
    text-align: center;
    margin-top: -2px;
}

.navbar:not(.scrolled) .logo-fibre {
    color: #fff;
}

.navbar:not(.scrolled) .logo-llc {
    color: rgba(255, 255, 255, 0.7);
}

.nav-menu {
    list-style: none;
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-menu a {
    text-decoration: none;
    font-family: 'Montserrat', sans-serif;
    font-weight: 500;
    font-size: 0.9rem;
    color: var(--dark);
    transition: var(--transition);
    position: relative;
}

.navbar:not(.scrolled) .nav-menu a {
    color: #fff;
}

.nav-menu a:not(.nav-cta)::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: width var(--transition);
}

.nav-menu a:not(.nav-cta):hover::after {
    width: 100%;
}

.nav-cta {
    background: var(--primary);
    color: #fff !important;
    padding: 10px 24px;
    border-radius: 50px;
    transition: var(--transition);
}

.nav-cta:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--dark);
    transition: var(--transition);
}

.navbar:not(.scrolled) .nav-toggle span {
    background: #fff;
}

/* ========== HERO ========== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: linear-gradient(135deg, #1a6b8a 0%, #2a8ab0 30%, #5BC0EB 60%, #a8ddf3 100%);
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -30%;
    width: 80%;
    height: 200%;
    background: linear-gradient(135deg, rgba(255,255,255,0.05) 0%, rgba(255,255,255,0.1) 100%);
    transform: rotate(25deg);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 1;
    padding: 40px 24px;
}

.hero-logo-icon {
    width: 200px;
    height: 200px;
    margin: 0 auto 30px;
    border-radius: 20px;
    overflow: hidden;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    padding: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-logo-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    filter: brightness(1.2);
}

.hero h1 {
    font-size: 3.5rem;
    color: #fff;
    margin-bottom: 16px;
    letter-spacing: 2px;
}

.hero-fibre {
    font-weight: 800;
}

.hero-llc {
    font-weight: 300;
    opacity: 0.8;
    font-size: 0.4em;
    letter-spacing: 6px;
    display: block;
    margin-top: 2px;
}

.hero-tagline {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.3rem;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 300;
    margin-bottom: 40px;
    letter-spacing: 1px;
    line-height: 1.6;
}

.hero-cta {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    display: inline-block;
    padding: 14px 36px;
    border-radius: 50px;
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    font-size: 0.95rem;
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: #fff;
    color: var(--primary-dark);
}

.btn-primary:hover {
    background: var(--bg-light);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
}

.btn-outline {
    background: transparent;
    color: #fff;
    border: 2px solid rgba(255, 255, 255, 0.5);
}

.btn-outline:hover {
    border-color: #fff;
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

.hero-scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
}

.hero-scroll-indicator span {
    display: block;
    width: 28px;
    height: 44px;
    border: 2px solid rgba(255, 255, 255, 0.5);
    border-radius: 20px;
    position: relative;
}

.hero-scroll-indicator span::after {
    content: '';
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 10px;
    background: rgba(255, 255, 255, 0.7);
    border-radius: 2px;
    animation: scroll-bounce 2s infinite;
}

@keyframes scroll-bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); opacity: 1; }
    50% { transform: translateX(-50%) translateY(12px); opacity: 0.3; }
}

/* ========== SECTIONS ========== */
.section {
    padding: 100px 0;
}

.section-title {
    font-family: 'Montserrat', sans-serif;
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--primary);
    text-align: center;
    margin-bottom: 50px;
    letter-spacing: 2px;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: var(--primary);
    margin: 16px auto 0;
    border-radius: 2px;
}

/* ========== ABOUT ========== */
.about {
    background: var(--bg-white);
}

.about-intro {
    max-width: 800px;
    margin: 0 auto 60px;
    text-align: center;
    font-size: 1.05rem;
}

.about-intro p {
    margin-bottom: 12px;
}

.about-categories {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-bottom: 70px;
}

.category-card {
    text-align: center;
    border-radius: var(--radius);
    overflow: hidden;
    background: var(--bg-white);
    box-shadow: var(--shadow);
    transition: var(--transition);
    opacity: 0;
    transform: translateY(30px);
}

.category-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.category-image {
    height: 240px;
    overflow: hidden;
    border-bottom: 3px solid var(--primary);
}

.category-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

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

.category-card h3 {
    font-size: 1rem;
    font-weight: 700;
    padding: 20px 16px 8px;
    color: var(--primary-dark);
}

.category-card p {
    padding: 0 16px 24px;
    font-size: 0.9rem;
    color: var(--gray-light);
}

.about-details {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-text p {
    margin-bottom: 16px;
    font-size: 0.95rem;
}

.about-stats {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.stat {
    text-align: center;
    padding: 24px;
    border-radius: var(--radius);
    background: linear-gradient(135deg, var(--bg-light), #e8f4fa);
    border-left: 4px solid var(--primary);
    opacity: 0;
    transform: translateX(30px);
    transition: var(--transition);
}

.stat.visible {
    opacity: 1;
    transform: translateX(0);
}

.stat-number {
    display: block;
    font-family: 'Montserrat', sans-serif;
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary);
}

.stat-label {
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--gray);
}

/* ========== PRODUCTS ========== */
.products {
    background: var(--bg-light);
    position: relative;
    overflow: hidden;
}

.product-tabs {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-bottom: 40px;
    flex-wrap: wrap;
    position: relative;
    z-index: 1;
}

.tab-btn {
    padding: 12px 28px;
    border: 2px solid var(--primary);
    background: transparent;
    color: var(--primary-dark);
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    font-size: 0.85rem;
    border-radius: 50px;
    cursor: pointer;
    transition: var(--transition);
}

.tab-btn:hover {
    background: rgba(91, 192, 235, 0.1);
}

.tab-btn.active {
    background: var(--primary);
    color: #fff;
}

.product-grid {
    display: none;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    position: relative;
    z-index: 1;
}

.product-grid.active {
    display: grid;
    animation: fadeIn 0.4s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.product-item {
    position: relative;
    border-radius: var(--radius);
    overflow: hidden;
    aspect-ratio: 1;
    cursor: pointer;
    box-shadow: var(--shadow);
    opacity: 0;
    transform: scale(0.95);
    transition: var(--transition);
}

.product-item.visible {
    opacity: 1;
    transform: scale(1);
}

.product-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.product-item:hover img {
    transform: scale(1.1);
}

.product-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(58, 155, 199, 0.9) 0%, transparent 60%);
    display: flex;
    align-items: flex-end;
    padding: 20px;
    opacity: 0;
    transition: var(--transition);
}

.product-item:hover .product-overlay {
    opacity: 1;
}

.product-overlay span {
    color: #fff;
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    font-size: 0.95rem;
    letter-spacing: 0.5px;
}

/* ========== APPROACH ========== */
.approach {
    background: var(--bg-white);
}

.approach-intro {
    text-align: center;
    max-width: 700px;
    margin: -20px auto 50px;
    font-size: 1.05rem;
}

.approach-timeline {
    max-width: 700px;
    margin: 0 auto;
    position: relative;
}

.approach-timeline::before {
    content: '';
    position: absolute;
    left: 28px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--primary-light), var(--primary), var(--primary-light));
}

.timeline-item {
    display: flex;
    align-items: flex-start;
    gap: 24px;
    margin-bottom: 24px;
    opacity: 0;
    transform: translateX(-20px);
    transition: var(--transition);
}

.timeline-item.visible {
    opacity: 1;
    transform: translateX(0);
}

.timeline-number {
    flex-shrink: 0;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    z-index: 1;
    box-shadow: 0 4px 12px rgba(91, 192, 235, 0.4);
}

.timeline-content {
    padding: 12px 0;
}

.timeline-content h4 {
    font-size: 1.05rem;
    margin-bottom: 4px;
    color: var(--dark);
}

.timeline-content p {
    font-size: 0.9rem;
    color: var(--gray-light);
}

/* ========== CONTACT ========== */
.contact {
    background: linear-gradient(135deg, #1a6b8a 0%, #2a8ab0 50%, #5BC0EB 100%);
    color: #fff;
}

.contact .section-title {
    color: #fff;
}

.contact .section-title::after {
    background: rgba(255, 255, 255, 0.5);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact-card {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 20px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: var(--radius);
    border: 1px solid rgba(255, 255, 255, 0.15);
    opacity: 0;
    transform: translateX(-20px);
    transition: var(--transition);
}

.contact-card.visible {
    opacity: 1;
    transform: translateX(0);
}

.contact-card:hover {
    background: rgba(255, 255, 255, 0.18);
}

.contact-icon {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    color: var(--primary-light);
}

.contact-card h4 {
    color: #fff;
    font-size: 0.95rem;
    margin-bottom: 4px;
}

.contact-card p {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.5;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.contact-form input,
.contact-form textarea {
    padding: 14px 20px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--radius);
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    color: #fff;
    font-family: 'Open Sans', sans-serif;
    font-size: 0.95rem;
    transition: var(--transition);
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: rgba(255, 255, 255, 0.6);
    background: rgba(255, 255, 255, 0.15);
}

.contact-form .btn-primary {
    align-self: flex-start;
    background: #fff;
    color: var(--primary-dark);
    padding: 14px 40px;
}

.contact-form .btn-primary:hover {
    background: var(--bg-light);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
}

/* ========== FOOTER ========== */
.footer {
    background: #1a2a35;
    color: rgba(255, 255, 255, 0.7);
    padding: 50px 0 20px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 30px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    margin-bottom: 20px;
    flex-wrap: wrap;
    gap: 20px;
}

.footer-brand p {
    font-size: 0.85rem;
    margin-top: 8px;
    color: rgba(255, 255, 255, 0.5);
}

.footer-links {
    display: flex;
    gap: 24px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    font-size: 0.9rem;
    transition: var(--transition);
}

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

.footer-website p {
    color: var(--primary-light);
    font-size: 0.9rem;
}

.footer-bottom {
    text-align: center;
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.4);
}

/* ========== RESPONSIVE ========== */
@media (max-width: 992px) {
    .about-categories {
        grid-template-columns: 1fr;
        max-width: 500px;
        margin-left: auto;
        margin-right: auto;
    }

    .about-details {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .about-stats {
        flex-direction: row;
    }

    .product-grid {
        grid-template-columns: repeat(3, 1fr);
    }

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

    .hero h1 {
        font-size: 2.5rem;
    }
}

@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: #fff;
        flex-direction: column;
        padding: 80px 32px 32px;
        gap: 24px;
        transition: right var(--transition);
        box-shadow: -4px 0 20px rgba(0, 0, 0, 0.1);
    }

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

    .nav-menu a {
        color: var(--dark) !important;
        font-size: 1rem;
    }

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

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

    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }

    .section {
        padding: 70px 0;
    }

    .section-title {
        font-size: 1.8rem;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .hero-tagline {
        font-size: 1.1rem;
    }

    .hero-logo-icon {
        width: 150px;
        height: 150px;
    }

    .product-tabs {
        gap: 6px;
    }

    .tab-btn {
        padding: 10px 16px;
        font-size: 0.75rem;
    }

    .product-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }

    .about-stats {
        flex-direction: column;
    }

    .footer-content {
        flex-direction: column;
        text-align: center;
    }

    .footer-links {
        flex-wrap: wrap;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 1.6rem;
    }

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

    .btn {
        width: 100%;
        max-width: 260px;
        text-align: center;
    }

    .about-categories {
        gap: 20px;
    }
}