:root {
    /* Brand Colors */
    --primary: #307AB0;
    --primary-dark: #245f89;
    --primary-light: #4f94c5;

    --accent: #22C55E;
    --accent-dark: #16a34a;
    --accent-light: #4ade80;

    --secondary-accent: #f27d1d; /* new orange accent */
    --secondary-dark: #d9690f;
    --secondary-light: #f59e4c;

    /* Neutrals */
    --dark: #0f172a;
    --dark-soft: #1e293b;
    --light: #f8fafc;
    --bg-soft: #f1f5f9;
    --text: #1e293b;
    --text-light: #64748b;

    /* Fallbacks for older browsers */
    --primary-fallback: #307AB0;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px; /* Accounts for fixed header */
}

body {
    font-family: "Segoe UI", -apple-system, BlinkMacSystemFont, "Roboto", sans-serif;
    line-height: 1.6;
    color: var(--text, #1e293b);
    background: white;
    overflow-x: hidden;
}

/* Accessibility */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--primary, #307AB0);
    color: white;
    padding: 8px;
    z-index: 9999;
    text-decoration: none;
}

.skip-link:focus {
    top: 0;
}

/* LAYOUT */
.container {
    width: 90%;
    max-width: 1150px;
    margin: 0 auto;
}

.section {
    padding: 100px 0;
}

.section-title {
    text-align: center;
    margin-bottom: 40px;
    font-size: clamp(24px, 5vw, 32px); /* Responsive */
    font-weight: 600;
    line-height: 1.3;
}

.section-title::after {
    content: "";
    width: 60px;
    height: 3px;
    background: var(--accent, #22C55E);
    display: block;
    margin: 14px auto 0;
    border-radius: 4px;
}

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

.sub-text {
    max-width: 700px;
    margin: 0 auto;
    color: var(--text-light, #64748b);
}

/* HEADER */
.header {
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px); /* Safari support */
    background: rgba(255, 255, 255, 0.75);
    padding: 18px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: box-shadow 0.3s ease, background 0.3s ease;
}

.header.scrolled {
    box-shadow: 0 8px 25px rgba(0,0,0,0.06);
    background: rgba(255, 255, 255, 0.9);
}

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

.logo img {
    height: 60px;          /* increased from 40px */
    width: auto;
    display: block;
    max-width: 100%;       /* prevents overflow on small screens */
}

/* NAVIGATION */
.nav-menu {
    list-style: none;
    display: flex;
    gap: 30px;
    align-items: center;
}

.nav-menu a {
    color: var(--dark, #0f172a);
    text-decoration: none;
    font-size: 15px;
    font-weight: 500;
    transition: color 0.3s ease;
    padding: 8px 0;
    position: relative;
}

.nav-menu a:hover {
    color: var(--primary, #307AB0);
}

.nav-menu a.active {
    color: var(--accent, #22C55E);
}

.nav-menu a.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: currentColor;
    border-radius: 2px;
}

.btn-small {
    background: var(--primary, #307AB0);
    color: white !important;
    padding: 8px 16px;
    border-radius: 50px;
    transition: background 0.3s ease, transform 0.2s ease;
}

.btn-small:hover {
    background: var(--primary-dark, #245f89);
    transform: translateY(-1px);
}

/* Hamburger menu (hidden on desktop) */
.hamburger {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 22px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
}

.hamburger span {
    width: 100%;
    height: 3px;
    background: var(--dark, #0f172a);
    border-radius: 3px;
    transition: all 0.3s ease;
}

.hamburger.active span:nth-child(1) {
    transform: translateY(9px) rotate(45deg);
}

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

.hamburger.active span:nth-child(3) {
    transform: translateY(-9px) rotate(-45deg);
}

/* HERO */
.hero {
    background: linear-gradient(
        135deg,
        #0f172a,
        #1e293b,
        var(--primary-dark, #245f89)
    );
    color: white;
    padding: 140px 0;
    text-align: center;
}

.hero h1 {
    font-size: clamp(28px, 6vw, 48px);
    font-weight: 600;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero p {
    max-width: 700px;
    margin: 0 auto;
    opacity: 0.9;
    font-size: clamp(16px, 2vw, 18px);
}

.hero-actions {
    margin-top: 40px;
}

/* BUTTONS */
.btn-primary,
.btn-outline {
    display: inline-block;
    padding: 14px 28px;
    border-radius: 50px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.btn-primary {
    background: var(--accent, #22C55E);
    color: white;
    box-shadow: 0 8px 20px rgba(34, 197, 94, 0.25);
}

.btn-primary:hover {
    background: var(--accent-dark, #16a34a);
    transform: translateY(-2px);
    box-shadow: 0 12px 25px rgba(34, 197, 94, 0.35);
}

.btn-outline {
    border: 2px solid white;
    color: white;
    margin-left: 15px;
}

.btn-outline:hover {
    background: var(--secondary-accent, #f27d1d);
    border-color: var(--secondary-accent, #f27d1d);
}

.full-width {
    width: 100%;
}

/* GRID */
.grid,
.grid-2 {
    display: grid;
    gap: 30px;
}

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

.grid-2 {
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

/* CARDS */
.card {
    background: white;
    padding: 35px 25px;
    border-radius: 16px;
    transition: transform 0.3s ease, box-shadow 0.3s ease, border 0.2s ease;
    box-shadow: 0 15px 40px rgba(0,0,0,0.05);
    border: 1px solid transparent;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.card:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 50px rgba(0,0,0,0.08);
    border-color: var(--accent-light, #4ade80);
}

.card h3 {
    margin-bottom: 15px;
    font-size: 20px;
    color: var(--dark, #0f172a);
}

.card p {
    color: var(--text-light, #64748b);
    line-height: 1.6;
}

/* LIGHT/DARK SECTIONS */
.bg-light {
    background: var(--bg-soft, #f1f5f9);
}

.bg-dark {
    background: var(--dark, #0f172a);
    color: white;
}

.bg-dark .card {
    background: var(--dark-soft, #1e293b);
    color: var(--light, #f8fafc);
}

.bg-dark .card h3 {
    color: white;
}

.bg-dark .card p {
    color: #cbd5e1;
}

/* FORM */
.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 14px 16px;
    margin-bottom: 20px;
    border-radius: 10px;
    border: 1px solid #e2e8f0;
    font-size: 16px;
    font-family: inherit;
    transition: border 0.3s ease, box-shadow 0.3s ease;
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--primary, #307AB0);
    box-shadow: 0 0 0 3px rgba(48, 122, 176, 0.15);
}

.contact-form button:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.form-status {
    margin-top: 10px;
    font-size: 15px;
    min-height: 24px;
}

.form-status.success {
    color: var(--accent, #22C55E);
}

.form-status.error {
    color: #dc2626;
}

/* FOOTER */
.footer {
    background: #0b1120;
    color: white;
    text-align: center;
    padding: 30px 0;
}

/* SCROLL REVEAL */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* PROGRESS BAR */
.progress-bar {
    position: fixed;
    top: 0;
    left: 0;
    height: 4px;
    background: var(--secondary-accent, #f27d1d);
    width: 0%;
    z-index: 2000;
    transition: width 0.1s ease;
}

/* MOBILE STYLES */
@media (max-width: 768px) {
    .section {
        padding: 70px 0;
    }

    .hamburger {
        display: flex;
    }

    .nav-menu {
        display: none;
        position: absolute;
        top: 80px;
        right: 5%;
        left: 5%;
        width: 90%;
        background: var(--dark, #0f172a);
        padding: 25px 20px;
        border-radius: 16px;
        flex-direction: column;
        gap: 20px;
        box-shadow: 0 20px 40px rgba(0,0,0,0.2);
        z-index: 999;
    }

    .nav-menu.active {
        display: flex;
    }

    .nav-menu a {
        color: white;
        width: 100%;
        text-align: center;
        padding: 12px;
    }

   .nav-menu a.active {
        color: var(--secondary-accent, #f27d1d);       /* orange active link */
    }

    .btn-small {
        background: var(--accent, #22C55E);
    }

    .hero-actions {
        display: flex;
        flex-direction: column;
        gap: 15px;
        align-items: center;
    }

    .btn-outline {
        margin-left: 0;
    }

    .hero h1 {
        font-size: 32px;
    }
}

/* PRINT STYLES */
@media print {
    .header,
    .hero-actions,
    .btn,
    .progress-bar,
    .footer {
        display: none;
    }
}