/* ============================================
   skillEgence - Main Stylesheet
   Brand Colors & Professional Design
   ============================================ */

/* ============================================
   COLOR VARIABLES
   ============================================ */
:root {
    /* Brand Colors */
    --primary-blue: #004B93;
    --secondary-blue: #0078D4;
    --accent-red: #E31E52;
    --dark-navy: #001F3F;
    --light-blue: #4A9EDD;
    --accent-gold: #F5A623;
    --accent-mint: #dbe8e1;  /* New accent color */
    
    /* Neutrals */
    --white: #FFFFFF;
    --light-gray: #F5F7FA;
    --medium-gray: #E0E6ED;
    --text-gray: #4A5568;
    --dark-gray: #2D3748;
    
    /* Typography */
    --font-primary: 'Poppins', sans-serif;
    
    /* Spacing */
    --container-width: 1200px;
    --section-padding: 80px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    color: var(--text-gray);
    line-height: 1.6;
    font-size: 16px;
    overflow-x: hidden;
}

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

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

ul {
    list-style: none;
}

/* ============================================
   CONTAINER & LAYOUT
   ============================================ */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

section {
    padding: var(--section-padding) 0;
}

/* ============================================
   TYPOGRAPHY
   ============================================ */
h1, h2, h3, h4, h5, h6 {
    color: var(--dark-navy);
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 {
    font-size: 3rem;
    font-weight: 700;
}

h2 {
    font-size: 2.5rem;
}

h3 {
    font-size: 1.75rem;
}

.highlight {
    color: var(--primary-blue);
}

.section-title {
    text-align: center;
    margin-bottom: 1rem;
    font-size: 2.5rem;
}

.section-subtitle {
    text-align: center;
    color: var(--text-gray);
    font-size: 1.1rem;
    margin-bottom: 3rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
    display: inline-block;
    padding: 14px 32px;
    border-radius: 8px;
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    font-size: 1rem;
}

.btn-primary {
    background: var(--primary-blue);
    color: var(--white);
}

.btn-primary:hover {
    background: var(--secondary-blue);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 75, 147, 0.3);
}

.btn-secondary {
    background: transparent;
    color: var(--primary-blue);
    border: 2px solid var(--primary-blue);
}

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

.btn-outline {
    background: transparent;
    color: var(--primary-blue);
    border: 2px solid var(--primary-blue);
    padding: 10px 24px;
    font-size: 0.95rem;
}

.btn-outline:hover {
    background: var(--primary-blue);
    color: var(--white);
}

.btn-outline-white {
    background: transparent;
    color: var(--white);
    border: 2px solid var(--white);
}

.btn-outline-white:hover {
    background: var(--white);
    color: var(--primary-blue);
}

.btn-register {
    background: var(--accent-red);
    color: var(--white);
    padding: 10px 24px;
    border-radius: 6px;
}

.btn-register:hover {
    background: #c91847;
    transform: translateY(-2px);
}

/* ============================================
   NAVIGATION
   ============================================ */
.navbar {
    background: var(--white);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 1rem 0;
}

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

.logo img {
    height: 50px;
    width: auto;
}

.nav-menu {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-menu a {
    color: var(--dark-gray);
    font-weight: 500;
    padding: 8px 0;
    position: relative;
}

.nav-menu a:not(.btn-register):hover,
.nav-menu a.active {
    color: var(--primary-blue);
}

.nav-menu a:not(.btn-register)::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-blue);
    transition: width 0.3s ease;
}

.nav-menu a:not(.btn-register):hover::after,
.nav-menu a.active::after {
    width: 100%;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--dark-navy);
    border-radius: 3px;
    transition: all 0.3s ease;
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    background: linear-gradient(135deg, var(--dark-navy) 0%, var(--primary-blue) 100%);
    color: var(--white);
    padding: 100px 0;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: rgba(74, 158, 221, 0.1);
    border-radius: 50%;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-text h1 {
    color: var(--white);
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
}

.hero-contact {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1rem;
}

.contact-item i {
    color: var(--accent-red);
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.floating-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 2rem;
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-20px);
    }
}

/* ============================================
   WHY TRUST US SECTION
   ============================================ */
.why-trust {
    background: var(--accent-mint);
}

.trust-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.trust-card {
    background: var(--white);
    padding: 2.5rem;
    border-radius: 12px;
    text-align: center;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.trust-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 75, 147, 0.15);
    border-color: var(--primary-blue);
}

.trust-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--white);
}

.trust-card h3 {
    margin-bottom: 1rem;
    color: var(--dark-navy);
}

/* ============================================
   FEATURED COURSES SECTION
   ============================================ */
.featured-courses {
    background: var(--white);
}

.courses-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-bottom: 3rem;
}

.course-card {
    background: var(--white);
    border: 2px solid var(--medium-gray);
    border-radius: 12px;
    padding: 2rem;
    transition: all 0.3s ease;
    position: relative;
}

.course-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 75, 147, 0.15);
    border-color: var(--primary-blue);
}

.course-badge {
    position: absolute;
    top: -12px;
    right: 20px;
    background: var(--accent-red);
    color: var(--white);
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
}

.course-image {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    background: var(--light-gray);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--primary-blue);
}

.course-card h3 {
    text-align: center;
    margin-bottom: 1rem;
    color: var(--dark-navy);
}

.course-card > p {
    text-align: center;
    margin-bottom: 1.5rem;
    color: var(--text-gray);
}

.course-features {
    margin-bottom: 1.5rem;
}

.course-features li {
    display: flex;
    align-items: start;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
    font-size: 0.95rem;
}

.course-features i {
    color: var(--primary-blue);
    margin-top: 3px;
}

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

.view-all-courses {
    text-align: center;
    margin-top: 3rem;
}

/* ============================================
   UPCOMING TRAINING SECTION
   ============================================ */
.upcoming-training {
    background: var(--accent-mint);
}

.training-highlight {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
    background: linear-gradient(135deg, var(--dark-navy) 0%, var(--primary-blue) 100%);
    padding: 3rem;
    border-radius: 16px;
    align-items: center;
    color: var(--white);
    margin-bottom: 2rem;
}

.training-badge {
    display: inline-block;
    background: var(--accent-gold);
    color: var(--dark-navy);
    padding: 8px 20px;
    border-radius: 20px;
    font-weight: 700;
    font-size: 0.9rem;
    margin-bottom: 1rem;
    letter-spacing: 1px;
}

.training-content h3 {
    color: var(--white);
    font-size: 2rem;
    margin-bottom: 1rem;
}

.training-date {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.training-promo {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    opacity: 0.95;
}

.training-image {
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 8rem;
    color: rgba(255, 255, 255, 0.2);
}

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

/* ============================================
   STATISTICS SECTION
   ============================================ */
.statistics {
    background: var(--primary-blue);
    color: var(--white);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.stat-item {
    text-align: center;
    padding: 2rem;
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 1.1rem;
    opacity: 0.9;
}

/* ============================================
   CTA SECTION
   ============================================ */
.cta-section {
    background: linear-gradient(135deg, var(--dark-navy) 0%, var(--primary-blue) 100%);
    color: var(--white);
    text-align: center;
}

.cta-content h2 {
    color: var(--white);
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.cta-content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: var(--dark-navy);
    color: var(--white);
    padding: 4rem 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-section h3,
.footer-section h4 {
    color: var(--white);
    margin-bottom: 1.5rem;
}

.footer-section p {
    opacity: 0.9;
    line-height: 1.8;
}

.footer-tagline {
    margin-top: 1rem;
    color: var(--accent-red);
}

.footer-section ul li {
    margin-bottom: 0.75rem;
}

.footer-section ul li a {
    opacity: 0.9;
    transition: all 0.3s ease;
}

.footer-section ul li a:hover {
    opacity: 1;
    color: var(--light-blue);
    padding-left: 5px;
}

.contact-info li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.contact-info i {
    color: var(--light-blue);
}

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-links a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    transition: all 0.3s ease;
}

.social-links a:hover {
    background: var(--primary-blue);
    transform: translateY(-3px);
}

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

/* Tablet */
@media (max-width: 968px) {
    h1 {
        font-size: 2.5rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: var(--white);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 2rem 0;
        gap: 1rem;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .hamburger {
        display: flex;
    }
    
    .hamburger.active span:nth-child(1) {
        transform: rotate(45deg) translate(8px, 8px);
    }
    
    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }
    
    .hamburger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(8px, -8px);
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .trust-grid,
    .courses-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-content {
        grid-template-columns: 1fr 1fr;
    }
    
    .training-highlight {
        grid-template-columns: 1fr;
    }
}

/* Mobile */
@media (max-width: 576px) {
    :root {
        --section-padding: 60px;
    }
    
    h1 {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .hero {
        padding: 60px 0;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .hero-contact {
        flex-direction: column;
        gap: 1rem;
    }
    
    .trust-grid,
    .courses-grid,
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
    }
    
    .cta-buttons {
        flex-direction: column;
    }
    
    .training-highlight {
        padding: 2rem;
    }
}