/* ========================================
   IT Planet Networks — Styles
   ======================================== */

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

:root {
    /* Brand colours — matched to IT Planet logo */
    --primary: #0B2447;
    --primary-light: #143663;
    --accent: #1A8FD1;
    --accent-dark: #0E6FAD;
    --accent-glow: rgba(26, 143, 209, 0.12);
    --silver: #8B95A3;
    --text: #2D3748;
    --text-light: #5A6A7E;
    --text-on-dark: #CBD5E1;
    --white: #ffffff;
    --bg: #ffffff;
    --bg-alt: #F4F7FA;
    --bg-dark: #071A34;
    --border: #D8DFE8;
    --radius: 12px;
    --radius-sm: 8px;
    --shadow: 0 1px 3px rgba(11,36,71,0.06), 0 4px 12px rgba(11,36,71,0.04);
    --shadow-lg: 0 4px 6px rgba(11,36,71,0.05), 0 10px 40px rgba(11,36,71,0.1);
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

html {
    scroll-padding-top: 80px;
}

body {
    font-family: var(--font);
    color: var(--text);
    line-height: 1.6;
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
}

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

a:hover {
    color: var(--accent-dark);
}

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

.container {
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ========================================
   Navigation — Light, taller for bigger logo
   ======================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.97);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    transition: background var(--transition), box-shadow var(--transition);
}

.navbar.scrolled {
    background: #ffffff;
    box-shadow: 0 2px 20px rgba(11, 36, 71, 0.08);
}

.nav-container {
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.nav-logo {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.nav-logo-img {
    height: 60px;
    width: auto;
    object-fit: contain;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 4px;
}

.nav-link {
    color: var(--text-light);
    font-size: 0.9rem;
    font-weight: 500;
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    transition: color var(--transition), background var(--transition);
}

.nav-link:hover {
    color: var(--primary);
    background: var(--bg-alt);
}

.nav-link.active {
    color: var(--accent);
    font-weight: 600;
}

/* Hamburger */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--primary);
    border-radius: 2px;
    transition: transform var(--transition), opacity var(--transition);
}

.nav-toggle.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

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

.nav-toggle.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* ========================================
   Hero
   ======================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: var(--bg-dark);
}

.hero-bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 20% 50%, rgba(26, 143, 209, 0.14) 0%, transparent 60%),
        radial-gradient(ellipse at 80% 20%, rgba(26, 143, 209, 0.10) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 80%, rgba(100, 180, 230, 0.06) 0%, transparent 50%);
    animation: heroGlow 8s ease-in-out infinite alternate;
}

@keyframes heroGlow {
    0% { opacity: 0.7; transform: scale(1); }
    100% { opacity: 1; transform: scale(1.05); }
}

.hero-content {
    position: relative;
    text-align: center;
    max-width: 780px;
    padding: 140px 24px 100px;
}

.hero-title {
    font-size: clamp(2.2rem, 5vw, 3.8rem);
    font-weight: 800;
    color: var(--white);
    line-height: 1.15;
    margin-bottom: 24px;
    letter-spacing: -0.02em;
}

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

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.2rem);
    color: var(--text-on-dark);
    line-height: 1.7;
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

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

/* ========================================
   Buttons
   ======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font);
    font-size: 0.95rem;
    font-weight: 600;
    padding: 14px 32px;
    border-radius: var(--radius-sm);
    border: none;
    cursor: pointer;
    transition: all var(--transition);
}

.btn-primary,
.btn-outline {
    background: transparent;
    color: var(--white);
    border: 2px solid rgba(255,255,255,0.3);
    box-shadow: 0 0 12px rgba(255,255,255,0.08), 0 0 4px rgba(26, 143, 209, 0.15);
}

.btn-primary:hover,
.btn-outline:hover {
    background: var(--accent);
    color: var(--white);
    border-color: var(--accent);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(26, 143, 209, 0.45);
}

/* Primary on light backgrounds (e.g. contact form submit) */
.btn-submit {
    background: var(--accent);
    color: var(--white);
    border: 2px solid var(--accent);
}

.btn-submit:hover {
    background: var(--accent-dark);
    border-color: var(--accent-dark);
}

/* ========================================
   Section Shared
   ======================================== */
.services {
    padding: 70px 0 100px;
}

.about {
    padding: 100px 0 138px;
}

.contact {
    padding: 32px 0 100px;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: clamp(1.8rem, 3vw, 2.4rem);
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 12px;
    letter-spacing: -0.01em;
}

.section-header p {
    font-size: 1.05rem;
    color: var(--text-light);
    max-width: 500px;
    margin: 0 auto;
}

/* ========================================
   Services — Visual cards with image headers
   ======================================== */
.services {
    background: var(--bg-alt);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.service-card {
    background: var(--bg);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    overflow: hidden;
    transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.service-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent);
}

/* Visual header for each service card — stock images */
.service-visual {
    height: 200px;
    position: relative;
    overflow: hidden;
}

.service-visual img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.service-card:hover .service-visual img {
    transform: scale(1.05);
}

.service-body {
    padding: 28px 28px 32px;
}

.service-body h3 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 10px;
}

.service-body p {
    color: var(--text-light);
    font-size: 0.95rem;
    line-height: 1.65;
}

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

.about-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 60px;
    align-items: start;
}

.about-content h2 {
    font-size: clamp(1.8rem, 3vw, 2.4rem);
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 20px;
    letter-spacing: -0.01em;
}

.about-lead {
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--primary-light);
    margin-bottom: 16px;
    line-height: 1.7;
}

.about-content p {
    color: var(--text-light);
    margin-bottom: 14px;
    line-height: 1.7;
}

.about-values {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.value-item {
    display: flex;
    gap: 20px;
    align-items: flex-start;
    padding: 24px;
    background: var(--bg-alt);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    transition: border-color var(--transition);
}

.value-item:hover {
    border-color: var(--accent);
}

.value-number {
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--accent);
    line-height: 1;
    min-width: 40px;
}

.value-item h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 4px;
}

.value-item p {
    color: var(--text-light);
    font-size: 0.9rem;
    line-height: 1.5;
}

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

.contact-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 48px;
    align-items: start;
}

.contact-form {
    background: var(--bg);
    padding: 28px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.form-group {
    margin-bottom: 14px;
}

.form-group label {
    display: block;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 4px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 10px 14px;
    font-family: var(--font);
    font-size: 0.9rem;
    color: var(--text);
    background: var(--bg-alt);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    transition: border-color var(--transition), box-shadow var(--transition);
    outline: none;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.form-group input.error,
.form-group textarea.error {
    border-color: #ef4444;
}

.error-message {
    display: none;
    font-size: 0.8rem;
    color: #ef4444;
    margin-top: 3px;
}

.form-group input.error ~ .error-message,
.form-group textarea.error ~ .error-message {
    display: block;
}

.form-group textarea {
    resize: vertical;
    min-height: 90px;
}

.btn-submit {
    width: 100%;
    margin-top: 2px;
}

.form-status {
    text-align: center;
    margin-top: 12px;
    font-size: 0.9rem;
    font-weight: 500;
}

.form-status.success {
    color: #22c55e;
}

.form-status.error {
    color: #ef4444;
}

/* Contact Info */
.contact-info {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact-info-item {
    display: flex;
    gap: 20px;
    align-items: center;
    padding: 38px 28px;
    background: var(--bg);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    transition: border-color var(--transition), box-shadow var(--transition);
}

.contact-info-item:hover {
    border-color: var(--accent);
    box-shadow: 0 2px 12px rgba(26, 143, 209, 0.08);
}

.contact-icon-wrap {
    width: 52px;
    height: 52px;
    background: var(--accent-glow);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

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

.contact-info-item h4 {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 4px;
}

.contact-info-item p {
    font-size: 0.95rem;
    color: var(--text-light);
}

.contact-info-item a {
    color: var(--text-light);
}

.contact-info-item a:hover {
    color: var(--accent);
}

/* ========================================
   Footer — Dark with clean CSS text logo
   ======================================== */
.footer {
    background: var(--bg-dark);
    padding: 26px 0 36px;
    border-top: 1px solid rgba(255,255,255,0.05);
}

.footer-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
}

.footer-brand {
    display: flex;
    align-items: baseline;
    gap: 8px;
    flex-wrap: wrap;
}

.footer-abn {
    width: 100%;
    font-size: 0.75rem;
    color: var(--silver);
    letter-spacing: 1px;
    margin-top: -4px;
}

.footer-logo-it {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--white);
    letter-spacing: 2px;
}

.footer-logo-tag {
    font-size: 0.7rem;
    font-weight: 400;
    color: var(--accent);
    letter-spacing: 3px;
}

.footer-copy {
    font-size: 0.85rem;
    color: var(--silver);
}

.footer-links {
    display: flex;
    gap: 20px;
}

.footer-links a {
    color: var(--silver);
    font-size: 0.85rem;
    transition: color var(--transition);
}

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

/* ========================================
   Scroll to Top
   ======================================== */
.scroll-top {
    position: fixed;
    bottom: 32px;
    right: 32px;
    width: 44px;
    height: 44px;
    background: var(--accent);
    color: var(--white);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transform: translateY(12px);
    transition: all var(--transition);
    box-shadow: 0 4px 14px rgba(26, 143, 209, 0.35);
    z-index: 900;
}

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

.scroll-top:hover {
    background: var(--accent-dark);
    transform: translateY(-2px);
}

.scroll-top svg {
    width: 20px;
    height: 20px;
}

/* ========================================
   Scroll Animations
   ======================================== */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Stagger cards */
.service-card.animate-on-scroll:nth-child(2) { transition-delay: 0.1s; }
.service-card.animate-on-scroll:nth-child(3) { transition-delay: 0.2s; }

/* ========================================
   Responsive
   ======================================== */
@media (max-width: 992px) {
    .services-grid {
        grid-template-columns: 1fr 1fr;
    }

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

    .contact-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
}

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

    .nav-menu {
        position: fixed;
        top: 80px;
        left: 0;
        right: 0;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(12px);
        flex-direction: column;
        padding: 16px 24px;
        gap: 4px;
        border-bottom: 1px solid var(--border);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: transform var(--transition), opacity var(--transition), visibility var(--transition);
    }

    .nav-menu.open {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .nav-link {
        padding: 12px 16px;
        font-size: 1rem;
    }

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

    .nav-logo-img {
        height: 48px;
    }

    .hero-content {
        padding: 120px 20px 70px;
    }

    .service-visual {
        height: 180px;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .contact-form {
        padding: 28px 24px;
    }

    .services,
    .about,
    .contact {
        padding: 70px 0;
    }

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

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

    .section-header h2 {
        font-size: 1.6rem;
    }

    .service-visual {
        height: 160px;
    }
}