/* ============================================
   COMPLETE REDESIGN - PROFESSIONAL BLUE THEME
   ============================================ */

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

:root {
    /* Blue Color Palette */
    --primary-blue: #2563eb;
    --primary-sky: #3b82f6;
    --primary-azure: #0ea5e9;
    --accent-indigo: #4f46e5;
    --accent-cyan: #06b6d4;
    --dark-blue: #1e40af;
    --light-blue: #dbeafe;
    --pale-blue: #eff6ff;
    
    /* Text Colors */
    --text-dark: #1e293b;
    --text-medium: #475569;
    --text-light: #64748b;
    
    /* Backgrounds */
    --bg-primary: #f8fafc;
    --bg-secondary: #ffffff;
    --bg-card: #f0f9ff;
    
    /* Typography */
    --font-main: 'Montserrat', -apple-system, BlinkMacSystemFont, sans-serif;
    
    /* Spacing System */
    --space-1: 0.5rem;
    --space-2: 1rem;
    --space-3: 1.5rem;
    --space-4: 2rem;
    --space-5: 3rem;
    --space-6: 4rem;
    --space-8: 6rem;
    
    /* Transitions */
    --timing-quick: 250ms ease-out;
    --timing-smooth: 400ms cubic-bezier(0.34, 1.56, 0.64, 1);
    
    /* Container */
    --max-width: 1320px;
    --side-padding: 2rem;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 90px;
}

body {
    font-family: var(--font-main);
    font-size: 17px;
    line-height: 1.8;
    color: var(--text-dark);
    background: var(--bg-primary);
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

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

a {
    color: inherit;
    text-decoration: none;
    transition: all var(--timing-quick);
}

/* ============================================
   NAVIGATION
   ============================================ */

.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 999;
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--pale-blue) 100%);
    box-shadow: 0 8px 32px rgba(37, 99, 235, 0.12);
    border-bottom: 3px solid var(--primary-blue);
}

.nav__container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--side-padding);
}

.nav__content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.25rem 0;
}

.nav__logo {
    display: flex;
    align-items: center;
    transition: transform var(--timing-smooth);
}

.nav__logo:hover {
    transform: scale(1.1) rotate(-2deg);
}

.nav__logo-text {
    font-family: var(--font-main);
    font-size: 28px;
    font-weight: 900;
    letter-spacing: 1px;
    color: var(--primary-blue);
    text-shadow: 2px 2px 0px var(--primary-azure);
}

.nav__menu-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: var(--primary-sky);
    border: none;
    cursor: pointer;
    padding: 10px;
    width: 45px;
    height: 45px;
    justify-content: center;
    align-items: center;
    position: relative;
    border-radius: 10px;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.4);
}

.nav__menu-toggle-line {
    width: 25px;
    height: 3px;
    background: var(--text-dark);
    transition: all var(--timing-smooth);
    position: absolute;
    border-radius: 3px;
}

.nav__menu-toggle-line:nth-child(1) {
    top: 12px;
}

.nav__menu-toggle-line:nth-child(2) {
    top: 21px;
}

.nav__menu-toggle-line:nth-child(3) {
    top: 30px;
}

.nav__menu-toggle--active .nav__menu-toggle-line:nth-child(1) {
    top: 21px;
    transform: rotate(45deg);
}

.nav__menu-toggle--active .nav__menu-toggle-line:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

.nav__menu-toggle--active .nav__menu-toggle-line:nth-child(3) {
    top: 21px;
    transform: rotate(-45deg);
}

.nav__list {
    display: flex;
    list-style: none;
    gap: var(--space-5);
    align-items: center;
    margin: 0;
    padding: 0;
}

.nav__item {
    margin: 0;
}

.nav__link {
    color: var(--text-medium);
    font-weight: 700;
    font-size: 15px;
    padding: var(--space-1) var(--space-2);
    position: relative;
    display: block;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-radius: 8px;
    transition: all var(--timing-quick);
}

.nav__link:hover {
    color: var(--primary-blue);
    background: var(--light-blue);
    transform: translateY(-2px);
}

/* ============================================
   HERO SECTION - CENTERED LAYOUT
   ============================================ */

.hero {
    position: relative;
    margin-top: 81px;
    padding: var(--space-8) 0;
    display: flex;
    align-items: center;
    overflow: hidden;
    background: linear-gradient(180deg, var(--pale-blue) 0%, var(--bg-secondary) 100%);
    min-height: 85vh;
}

.hero__background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    overflow: hidden;
    z-index: 0;
}

.hero__glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.4;
}

.hero__glow--top {
    width: 700px;
    height: 700px;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.3), transparent 65%);
    top: -350px;
    right: 10%;
}

.hero__glow--bottom {
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(14, 165, 233, 0.25), transparent 65%);
    bottom: -250px;
    left: 5%;
}

.hero__pattern {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    opacity: 0.05;
    background-image: 
        repeating-linear-gradient(45deg, var(--primary-blue) 0px, var(--primary-blue) 2px, transparent 2px, transparent 20px),
        repeating-linear-gradient(-45deg, var(--primary-azure) 0px, var(--primary-azure) 2px, transparent 2px, transparent 20px);
}

.hero__container {
    max-width: 1100px;
    width: 100%;
    margin: 0 auto;
    padding: 0 var(--side-padding);
    position: relative;
    z-index: 1;
}

.hero__content {
    text-align: center;
    max-width: 900px;
    margin: 0 auto var(--space-6);
}

.hero__badge {
    display: inline-flex;
    align-items: center;
    padding: 12px 28px;
    background: var(--primary-blue);
    border: 3px solid var(--dark-blue);
    border-radius: 50px;
    margin-bottom: var(--space-4);
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.35);
    transition: all var(--timing-smooth);
}

.hero__badge:hover {
    transform: scale(1.05) rotate(-2deg);
    box-shadow: 0 8px 28px rgba(37, 99, 235, 0.5);
}

.hero__badge-text {
    font-size: 13px;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--bg-secondary);
}

.hero__title {
    font-family: var(--font-main);
    font-size: clamp(2.5rem, 7vw, 5rem);
    font-weight: 900;
    line-height: 1.1;
    letter-spacing: -0.02em;
    margin-bottom: var(--space-4);
}

.hero__title-line {
    display: block;
}

.hero__title-line--accent {
    color: var(--primary-blue);
    text-shadow: 3px 3px 0px var(--primary-azure);
}

.hero__description {
    font-size: 20px;
    line-height: 1.6;
    color: var(--text-medium);
    font-weight: 500;
    margin-bottom: var(--space-5);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero__cta-group {
    display: flex;
    gap: var(--space-3);
    justify-content: center;
    flex-wrap: wrap;
}

.hero__btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 18px 40px;
    font-size: 16px;
    font-weight: 800;
    transition: all var(--timing-smooth);
    text-transform: uppercase;
    letter-spacing: 1px;
    border-radius: 12px;
    cursor: pointer;
    border: none;
}

.hero__btn--primary {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-azure) 100%);
    color: var(--bg-secondary);
    box-shadow: 0 6px 24px rgba(37, 99, 235, 0.45);
}

.hero__btn--primary:hover {
    transform: translateY(-4px) scale(1.05);
    box-shadow: 0 12px 36px rgba(37, 99, 235, 0.6);
}

.hero__btn--secondary {
    background: var(--bg-secondary);
    color: var(--primary-blue);
    border: 3px solid var(--primary-blue);
}

.hero__btn--secondary:hover {
    background: var(--primary-blue);
    color: var(--bg-secondary);
    transform: translateY(-4px) scale(1.05);
    box-shadow: 0 8px 24px rgba(37, 99, 235, 0.4);
}

.hero__stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-3);
    max-width: 850px;
    margin: 0 auto;
}

.stat-card {
    padding: var(--space-4);
    background: var(--bg-secondary);
    border: 4px solid var(--primary-sky);
    border-radius: 20px;
    text-align: center;
    transition: all var(--timing-smooth);
    box-shadow: 0 8px 24px rgba(59, 130, 246, 0.2);
}

.stat-card:hover {
    transform: translateY(-8px) rotate(2deg);
    box-shadow: 0 12px 36px rgba(59, 130, 246, 0.4);
    border-color: var(--primary-blue);
}

.stat-card__icon {
    font-size: 3rem;
    margin-bottom: var(--space-2);
}

.stat-card__number {
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--primary-blue);
    line-height: 1;
    margin-bottom: var(--space-1);
    text-shadow: 2px 2px 0px var(--primary-azure);
}

.stat-card__label {
    font-size: 14px;
    color: var(--text-medium);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ============================================
   FEATURED BANNER
   ============================================ */

.featured-banner {
    padding: var(--space-5) 0;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-azure) 100%);
    position: relative;
    overflow: hidden;
}

.featured-banner__container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--side-padding);
}

.featured-banner__content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
}

.featured-banner__icon {
    font-size: 4rem;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.1);
    }
}

.featured-banner__text {
    flex: 1;
}

.featured-banner__title {
    font-size: 28px;
    font-weight: 900;
    color: var(--bg-secondary);
    margin-bottom: var(--space-1);
    text-shadow: 2px 2px 0px rgba(0, 0, 0, 0.1);
}

.featured-banner__desc {
    font-size: 17px;
    color: var(--bg-secondary);
    font-weight: 600;
}

.featured-banner__btn {
    padding: 14px 32px;
    background: var(--bg-secondary);
    color: var(--primary-blue);
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-radius: 10px;
    font-size: 15px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
    transition: all var(--timing-smooth);
}

.featured-banner__btn:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

/* ============================================
   SECTION HEADERS (REUSABLE)
   ============================================ */

.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--space-6);
}

.section-label {
    display: inline-block;
    font-size: 12px;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--bg-secondary);
    padding: 10px 20px;
    background: var(--primary-blue);
    border: 3px solid var(--dark-blue);
    border-radius: 50px;
    margin-bottom: var(--space-3);
    box-shadow: 0 4px 16px rgba(37, 99, 235, 0.3);
}

.section-title {
    font-family: var(--font-main);
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 900;
    color: var(--text-dark);
    line-height: 1.1;
    letter-spacing: -0.02em;
    margin-bottom: var(--space-3);
}

.section-desc {
    font-size: 18px;
    line-height: 1.7;
    color: var(--text-medium);
    font-weight: 500;
}

/* ============================================
   BENEFITS SECTION
   ============================================ */

.benefits {
    padding: var(--space-8) 0;
    background: var(--bg-secondary);
}

.benefits__container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--side-padding);
}

.benefits__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-4);
}

.benefit-box {
    padding: var(--space-5);
    background: var(--bg-card);
    border: 4px solid var(--primary-sky);
    border-radius: 24px;
    transition: all var(--timing-smooth);
    position: relative;
    box-shadow: 0 8px 24px rgba(59, 130, 246, 0.15);
}

.benefit-box:hover {
    transform: translateY(-10px) rotate(-1deg);
    box-shadow: 0 16px 48px rgba(59, 130, 246, 0.3);
    border-color: var(--primary-blue);
}

.benefit-box__icon-wrapper {
    width: 90px;
    height: 90px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-azure));
    border-radius: 20px;
    margin-bottom: var(--space-4);
    box-shadow: 0 8px 24px rgba(37, 99, 235, 0.4);
    transition: all var(--timing-smooth);
}

.benefit-box:hover .benefit-box__icon-wrapper {
    transform: scale(1.1) rotate(-8deg);
}

.benefit-box__icon {
    width: 50px;
    height: 50px;
    filter: brightness(0) invert(1);
}

.benefit-box__title {
    font-size: 26px;
    font-weight: 800;
    color: var(--text-dark);
    margin-bottom: var(--space-3);
    line-height: 1.2;
}

.benefit-box__text {
    font-size: 17px;
    line-height: 1.7;
    color: var(--text-medium);
    font-weight: 500;
}

.benefit-box__badge {
    position: absolute;
    top: var(--space-3);
    right: var(--space-3);
    padding: 8px 16px;
    background: var(--primary-blue);
    color: var(--bg-secondary);
    font-size: 11px;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-radius: 50px;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.4);
}

/* ============================================
   GUIDE SECTION - SPLIT LAYOUT
   ============================================ */

.guide {
    padding: var(--space-8) 0;
    background: linear-gradient(180deg, var(--pale-blue) 0%, var(--bg-secondary) 100%);
}

.guide__container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--side-padding);
}

.guide__wrapper {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: var(--space-6);
    align-items: start;
}

.guide__image-side {
    position: sticky;
    top: 120px;
}

.guide__image-container {
    position: relative;
    border-radius: 24px;
    overflow: hidden;
}

.guide__image {
    width: 100%;
    display: block;
}

.guide__image-badge {
    position: absolute;
    bottom: var(--space-3);
    left: var(--space-3);
    padding: 12px 20px;
    background: var(--primary-blue);
    border-radius: 50px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
}

.guide__image-badge-text {
    font-size: 13px;
    font-weight: 900;
    color: var(--bg-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.guide__content-side {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.guide__intro {
    font-size: 18px;
    line-height: 1.7;
    color: var(--text-medium);
    font-weight: 500;
    margin-bottom: var(--space-3);
}

.guide-steps {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.guide-step {
    display: flex;
    gap: var(--space-3);
    padding: var(--space-4);
    background: var(--bg-secondary);
    border: 4px solid var(--primary-sky);
    border-radius: 20px;
    transition: all var(--timing-smooth);
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.15);
}

.guide-step:hover {
    transform: translateX(8px);
    box-shadow: 0 12px 36px rgba(59, 130, 246, 0.3);
    border-color: var(--primary-blue);
}

.guide-step__number {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-azure));
    color: var(--bg-secondary);
    font-size: 28px;
    font-weight: 900;
    border-radius: 15px;
    flex-shrink: 0;
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.4);
}

.guide-step__content {
    flex: 1;
}

.guide-step__title {
    font-size: 22px;
    font-weight: 800;
    color: var(--text-dark);
    margin-bottom: var(--space-2);
    line-height: 1.2;
}

.guide-step__text {
    font-size: 16px;
    line-height: 1.7;
    color: var(--text-medium);
    font-weight: 500;
}

/* ============================================
   TIPS SECTION
   ============================================ */

.tips {
    padding: var(--space-8) 0;
    background: var(--bg-secondary);
}

.tips__container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--side-padding);
}

.tips__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-4);
}

.tip-card {
    padding: var(--space-4);
    background: var(--bg-card);
    border: 3px solid var(--primary-sky);
    border-radius: 20px;
    transition: all var(--timing-smooth);
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.15);
}

.tip-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 36px rgba(59, 130, 246, 0.3);
    border-color: var(--primary-blue);
}

.tip-card__header {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    margin-bottom: var(--space-3);
}

.tip-card__emoji {
    font-size: 2.5rem;
}

.tip-card__title {
    font-size: 19px;
    font-weight: 800;
    color: var(--text-dark);
    line-height: 1.2;
    flex: 1;
}

.tip-card__text {
    font-size: 15px;
    line-height: 1.7;
    color: var(--text-medium);
    font-weight: 500;
}

/* ============================================
   ARTICLES SECTION
   ============================================ */

.articles {
    padding: var(--space-8) 0;
    background: linear-gradient(180deg, var(--pale-blue) 0%, var(--bg-secondary) 100%);
}

.articles__container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--side-padding);
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--space-6);
    align-items: start;
}

.articles__header {
    margin-bottom: 0;
    position: sticky;
    top: 120px;
    order: 2;
}

.articles__grid {
    order: 1;
}

.articles__header-left {
    max-width: 100%;
}

.articles__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-4);
}

.article-item {
    background: var(--bg-secondary);
    border: 4px solid var(--primary-sky);
    border-radius: 24px;
    overflow: hidden;
    transition: all var(--timing-smooth);
    box-shadow: 0 8px 24px rgba(59, 130, 246, 0.2);
}

.article-item:hover {
    transform: translateY(-10px) rotate(-1deg);
    box-shadow: 0 16px 48px rgba(59, 130, 246, 0.35);
    border-color: var(--primary-blue);
}

.article-item--featured {
    grid-column: span 2;
    grid-row: span 1;
}

.article-item__link {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.article-item--featured .article-item__link {
    flex-direction: row;
}

.article-item__image-wrapper {
    position: relative;
    overflow: hidden;
    background: var(--light-blue);
}

.article-item__image-wrapper {
    height: 280px;
}

.article-item--featured .article-item__image-wrapper {
    width: 50%;
    height: auto;
}

.article-item__image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--timing-smooth);
}

.article-item:hover .article-item__image {
    transform: scale(1.12);
}

.article-item__featured-badge {
    position: absolute;
    top: var(--space-3);
    left: var(--space-3);
    padding: 10px 18px;
    background: var(--primary-blue);
    color: var(--bg-secondary);
    font-size: 12px;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-radius: 50px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
}

.article-item__content {
    padding: var(--space-4);
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    flex: 1;
}

.article-item--featured .article-item__content {
    width: 50%;
    padding: var(--space-5);
}

.article-item__meta {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
}

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

.article-item__separator {
    color: var(--text-light);
}

.article-item__date {
    color: var(--text-light);
}

.article-item__title {
    font-size: 24px;
    font-weight: 800;
    color: var(--text-dark);
    line-height: 1.2;
    margin-bottom: var(--space-2);
}

.article-item--featured .article-item__title {
    font-size: 32px;
}

.article-item__excerpt {
    font-size: 16px;
    line-height: 1.7;
    color: var(--text-medium);
    font-weight: 500;
    margin-bottom: var(--space-2);
}

.article-item__read-more {
    font-size: 15px;
    font-weight: 800;
    color: var(--primary-blue);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: auto;
}

.article-item:hover .article-item__read-more {
    transform: translateX(4px);
    display: inline-block;
}

/* ============================================
   CTA SECTION
   ============================================ */

.cta-section {
    padding: var(--space-8) 0;
    background: var(--bg-secondary);
}

.cta-section__container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--side-padding);
}

.cta-box {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-5);
    padding: var(--space-6);
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-azure) 100%);
    border-radius: 32px;
    box-shadow: 0 16px 48px rgba(37, 99, 235, 0.4);
    position: relative;
    overflow: hidden;
}

.cta-box__content {
    flex: 1;
}

.cta-box__title {
    font-size: 38px;
    font-weight: 900;
    color: var(--bg-secondary);
    margin-bottom: var(--space-3);
    line-height: 1.1;
    text-shadow: 2px 2px 0px rgba(0, 0, 0, 0.1);
}

.cta-box__text {
    font-size: 18px;
    color: var(--bg-secondary);
    font-weight: 600;
    margin-bottom: var(--space-4);
    line-height: 1.6;
}

.cta-box__btn {
    display: inline-flex;
    padding: 18px 40px;
    background: var(--bg-secondary);
    color: var(--primary-blue);
    font-size: 16px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-radius: 12px;
    transition: all var(--timing-smooth);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
}

.cta-box__btn:hover {
    transform: translateY(-4px) scale(1.05);
    box-shadow: 0 10px 32px rgba(0, 0, 0, 0.3);
}

.cta-box__decoration {
    font-size: 8rem;
    opacity: 0.9;
}

/* ============================================
   FOOTER
   ============================================ */

.footer {
    background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--light-blue) 100%);
    color: var(--text-dark);
    padding: var(--space-8) 0 var(--space-4);
    border-top: 5px solid var(--primary-blue);
}

.footer__container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--side-padding);
}

.footer__grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--space-5);
    margin-bottom: var(--space-5);
}

.footer__col {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.footer__heading {
    font-size: 18px;
    font-weight: 900;
    color: var(--primary-blue);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: var(--space-1);
}

.footer__about {
    font-size: 15px;
    line-height: 1.7;
    color: var(--text-medium);
    font-weight: 500;
}

.footer__links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.footer__link-item {
    margin: 0;
}

.footer__link {
    color: var(--text-medium);
    font-size: 15px;
    font-weight: 600;
    transition: all var(--timing-quick);
}

.footer__link:hover {
    color: var(--primary-blue);
    transform: translateX(4px);
    display: inline-block;
}

.footer__contact {
    font-size: 15px;
    color: var(--text-medium);
    font-weight: 600;
}

.footer__social-text {
    font-size: 14px;
    color: var(--text-light);
    font-weight: 700;
}

.footer__bottom {
    padding-top: var(--space-4);
    border-top: 3px solid var(--primary-sky);
    text-align: center;
}

.footer__copyright {
    font-size: 14px;
    color: var(--text-light);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ============================================
   ARTICLE PAGE STYLES
   ============================================ */

.article-page {
    padding: var(--space-8) 0;
    background-color: var(--bg-primary);
    margin-top: 81px;
}

.article-main {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 var(--side-padding);
}

.back-button {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    color: var(--text-medium);
    font-size: 15px;
    font-weight: 700;
    margin-bottom: var(--space-4);
    transition: all var(--timing-quick);
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: 12px 24px;
    background: var(--bg-secondary);
    border: 3px solid var(--primary-sky);
    border-radius: 10px;
}

.back-button:hover {
    color: var(--bg-secondary);
    background: var(--primary-blue);
    border-color: var(--dark-blue);
    transform: translateX(-6px);
}

.article-main h1 {
    font-family: var(--font-main);
    font-size: clamp(2.8rem, 5vw, 4.5rem);
    font-weight: 900;
    color: var(--text-dark);
    margin: var(--space-4) 0;
    line-height: 1.05;
    letter-spacing: -0.02em;
}

.article-text {
    margin-top: var(--space-5);
}

.article-text p {
    font-size: 19px;
    line-height: 1.8;
    color: var(--text-medium);
    margin-bottom: var(--space-4);
    font-weight: 500;
}

.article-text p:last-child {
    margin-bottom: 0;
}

.article-text h2 {
    font-family: var(--font-main);
    font-size: 36px;
    font-weight: 800;
    color: var(--primary-blue);
    margin-top: var(--space-5);
    margin-bottom: var(--space-3);
    letter-spacing: -0.02em;
    line-height: 1.1;
}

.article-text h2:first-of-type {
    margin-top: var(--space-4);
}

.article-text ul {
    margin-left: var(--space-4);
    margin-bottom: var(--space-4);
}

.article-text ul li {
    font-size: 19px;
    line-height: 1.8;
    color: var(--text-medium);
    margin-bottom: var(--space-2);
    font-weight: 500;
}

.category-tag {
    display: inline-block;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-azure));
    color: var(--bg-secondary);
    padding: 12px 24px;
    font-size: 12px;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: var(--space-3);
    border-radius: 50px;
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.4);
}

.post-meta {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: 15px;
    color: var(--text-light);
    margin-bottom: var(--space-4);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 700;
}

.post-meta .separator {
    color: var(--text-light);
    opacity: 0.5;
}

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

@media (max-width: 1024px) {
    .hero__stats {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .benefits__grid {
        grid-template-columns: 1fr;
    }
    
    .guide__wrapper {
        grid-template-columns: 1fr;
        gap: var(--space-5);
    }
    
    .guide__image-side {
        position: static;
    }
    
    .tips__grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .articles__container {
        grid-template-columns: 1fr;
        gap: var(--space-5);
    }
    
    .articles__header {
        position: static;
    }
    
    .articles__grid {
        grid-template-columns: 1fr;
    }
    
    .article-item--featured {
        grid-column: span 1;
    }
    
    .article-item--featured .article-item__link {
        flex-direction: column;
    }
    
    .article-item--featured .article-item__image-wrapper {
        width: 100%;
        height: 300px;
    }
    
    .article-item--featured .article-item__content {
        width: 100%;
        padding: var(--space-4);
    }
    
    .footer__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    :root {
        --side-padding: 1.5rem;
        --space-5: 2.5rem;
        --space-6: 3.5rem;
        --space-8: 4.5rem;
    }
    
    .nav__menu-toggle {
        display: flex;
    }
    
    .nav__list {
        position: fixed;
        top: 81px;
        left: 0;
        right: 0;
        background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--pale-blue) 100%);
        flex-direction: column;
        gap: 0;
        padding: var(--space-3) 0;
        border-top: 3px solid var(--primary-blue);
        transform: translateX(-100%);
        transition: transform var(--timing-smooth);
        z-index: 998;
        box-shadow: 0 8px 32px rgba(37, 99, 235, 0.2);
    }
    
    .nav__list--active {
        transform: translateX(0);
    }
    
    .nav__item {
        width: 100%;
        text-align: center;
        padding: var(--space-2) 0;
        border-bottom: 2px solid var(--light-blue);
    }
    
    .nav__item:last-child {
        border-bottom: none;
    }
    
    .nav__link {
        display: block;
        width: 100%;
        padding: var(--space-2) var(--space-3);
        font-size: 16px;
    }
    
    .hero__stats {
        grid-template-columns: 1fr;
    }
    
    .featured-banner__content {
        flex-direction: column;
        text-align: center;
    }
    
    .tips__grid {
        grid-template-columns: 1fr;
    }
    
    .articles__container {
        grid-template-columns: 1fr;
        gap: var(--space-4);
    }
    
    .articles__header {
        position: static;
    }
    
    .articles__grid {
        grid-template-columns: 1fr;
    }
    
    .article-item--featured {
        grid-column: span 1;
    }
    
    .cta-box {
        flex-direction: column;
        text-align: center;
        padding: var(--space-5);
    }
    
    .cta-box__decoration {
        font-size: 5rem;
    }
    
    .footer__grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero__cta-group {
        flex-direction: column;
        width: 100%;
    }
    
    .hero__btn {
        width: 100%;
    }
    
    .stat-card {
        padding: var(--space-3);
    }
}