/**
 * SEOwl Main Stylesheet
 * Mobile-first, conversion-optimized design
 */

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: #e0e0e0;
    background-color: #0a0e27;
    background-image:
        radial-gradient(circle at 20% 20%, rgba(0, 212, 255, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(0, 255, 204, 0.05) 0%, transparent 50%);
    background-attachment: fixed;
}

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

a {
    color: #00ffcc;
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: #00d4ff;
}

/* ===== CSS Custom Properties ===== */
:root {
    /* Colors */
    --color-primary: #00ffcc;
    --color-primary-dark: #00d9b3;
    --color-secondary: #00d4ff;
    --color-bg-dark: #0a0e27;
    --color-bg-darker: #050812;
    --color-bg-card: rgba(26, 31, 58, 0.8);
    --color-text: #e0e0e0;
    --color-text-muted: #a0a0b0;
    --color-border: rgba(0, 255, 204, 0.2);

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;

    /* Typography */
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 2rem;
    --font-size-4xl: 2.5rem;

    /* Border radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;

    /* Container */
    --container-max-width: 1200px;
}

/* ===== Typography ===== */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 700;
    line-height: 1.2;
    color: #ffffff;
    margin-bottom: var(--spacing-sm);
}

h1 {
    font-size: var(--font-size-3xl);
}

h2 {
    font-size: var(--font-size-2xl);
}

h3 {
    font-size: var(--font-size-xl);
}

p {
    margin-bottom: var(--spacing-sm);
}

@media (min-width: 768px) {
    h1 {
        font-size: var(--font-size-4xl);
    }

    h2 {
        font-size: var(--font-size-3xl);
    }
}

/* ===== Layout ===== */
.container {
    width: 100%;
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

@media (min-width: 768px) {
    .container {
        padding: 0 var(--spacing-md);
    }
}

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

@media (min-width: 768px) {
    section {
        padding: var(--spacing-xl) 0;
    }
}

/* ===== Header ===== */
.header {
    background: rgba(10, 14, 39, 0.95);
    backdrop-filter: blur(10px);
    padding: var(--spacing-sm) 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--color-border);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-primary);
}

.logo__img {
    width: 40px;
    height: 40px;
}

.logo__text {
    display: none;
}

@media (min-width: 480px) {
    .logo__text {
        display: inline;
    }
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: 0.75rem 1.5rem;
    font-size: var(--font-size-base);
    font-weight: 600;
    text-align: center;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
    white-space: nowrap;
}

.btn--primary {
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    color: var(--color-bg-dark);
}

.btn--primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 255, 204, 0.3);
    color: var(--color-bg-dark);
}

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

.btn--secondary:hover {
    background: rgba(0, 255, 204, 0.1);
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.btn--large {
    padding: 1rem 2rem;
    font-size: var(--font-size-lg);
}

.btn--full {
    width: 100%;
}

.btn--header {
    padding: 0.5rem 1rem;
    font-size: var(--font-size-sm);
}

@media (min-width: 768px) {
    .btn--header {
        padding: 0.75rem 1.5rem;
        font-size: var(--font-size-base);
    }
}

/* ===== Sticky Mobile CTA ===== */
.sticky-cta {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--spacing-sm);
    background: rgba(10, 14, 39, 0.98);
    backdrop-filter: blur(10px);
    border-top: 2px solid var(--color-primary);
    z-index: 999;
    display: block;
}

.sticky-cta__btn {
    display: block;
    width: 100%;
    padding: 1rem;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    color: var(--color-bg-dark);
    font-weight: 700;
    font-size: var(--font-size-lg);
    text-align: center;
    border-radius: var(--radius-md);
    text-decoration: none;
    transition: all var(--transition-base);
}

.sticky-cta__btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 255, 204, 0.4);
    color: var(--color-bg-dark);
}

@media (min-width: 768px) {
    .sticky-cta {
        display: none;
    }
}

/* ===== Hero Section ===== */
.hero {
    text-align: center;
    padding: var(--spacing-lg) 0;
}

.hero__title {
    font-size: clamp(1.75rem, 5vw, 4rem);
    margin-bottom: var(--spacing-sm);
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero__subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-md);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero__cta {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    align-items: center;
    margin-top: var(--spacing-md);
}

@media (min-width: 640px) {
    .hero__cta {
        flex-direction: row;
        justify-content: center;
    }
}

/* ===== Section Styles ===== */
.section__title {
    text-align: center;
    margin-bottom: var(--spacing-sm);
}

.section__intro {
    text-align: center;
    font-size: var(--font-size-lg);
    color: var(--color-text-muted);
    max-width: 700px;
    margin: 0 auto var(--spacing-md);
    line-height: 1.8;
}

/* ===== Case Study Section ===== */
.case-study {
    background: linear-gradient(180deg, transparent, rgba(0, 255, 204, 0.03), transparent);
}

.case-study__grid {
    display: grid;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

@media (min-width: 768px) {
    .case-study__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.case-study__item {
    background: var(--color-bg-card);
    backdrop-filter: blur(10px);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    transition: all var(--transition-base);
}

.case-study__item:hover {
    transform: translateY(-4px);
    border-color: var(--color-primary);
    box-shadow: 0 12px 24px rgba(0, 255, 204, 0.1);
}

.case-study__number {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    color: var(--color-bg-dark);
    font-size: var(--font-size-2xl);
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    margin-bottom: var(--spacing-sm);
}

.case-study__heading {
    margin-bottom: var(--spacing-xs);
}

.case-study__text {
    color: var(--color-text-muted);
    line-height: 1.7;
}

/* ===== Services Section ===== */
.services__grid {
    display: grid;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

@media (min-width: 768px) {
    .services__grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.service-card {
    background: var(--color-bg-card);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    transition: all var(--transition-base);
    text-align: center;
}

.service-card:hover {
    transform: translateY(-4px);
    border-color: var(--color-primary);
    box-shadow: 0 12px 24px rgba(0, 255, 204, 0.15);
}

.service-card__icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
}

.service-card__title {
    margin-bottom: var(--spacing-xs);
}

.service-card__desc {
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-sm);
}

.service-card__link {
    color: var(--color-primary);
    font-weight: 600;
    display: inline-block;
    transition: all var(--transition-fast);
}

.service-card__link:hover {
    transform: translateX(4px);
}

/* Service Detail Sections */
.service-detail {
    background: var(--color-bg-card);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    margin-bottom: var(--spacing-md);
    scroll-margin-top: 100px;
}

.service-detail__title {
    margin-bottom: var(--spacing-sm);
    color: var(--color-primary);
}

.service-detail__content ul {
    list-style: none;
    margin: var(--spacing-sm) 0;
}

.service-detail__content li {
    padding: var(--spacing-xs) 0;
    padding-left: 1.5rem;
    position: relative;
}

.service-detail__content li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--color-primary);
    font-weight: 700;
}

.service-detail__content h4 {
    margin-top: var(--spacing-sm);
    color: var(--color-secondary);
}

/* ===== Why SEOwl Section ===== */
.why-seowl {
    background: linear-gradient(180deg, rgba(0, 212, 255, 0.05), transparent);
}

.why-grid {
    display: grid;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

@media (min-width: 768px) {
    .why-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .why-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.why-item {
    text-align: center;
    padding: var(--spacing-md);
}

.why-item__icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
}

.why-item__title {
    margin-bottom: var(--spacing-xs);
}

.why-item__text {
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
}

/* ===== FAQ Section ===== */
.faq {
    background: var(--color-bg-darker);
}

.faq__list {
    max-width: 800px;
    margin: var(--spacing-md) auto 0;
}

.faq-item {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-sm);
    overflow: hidden;
}

.faq-item__question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--color-bg-card);
    border: none;
    color: var(--color-text);
    font-size: var(--font-size-base);
    font-weight: 600;
    text-align: left;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.faq-item__question:hover {
    background: rgba(0, 255, 204, 0.05);
}

.faq-item__icon {
    font-size: var(--font-size-2xl);
    color: var(--color-primary);
    transition: transform var(--transition-base);
}

.faq-item__question[aria-expanded="true"] .faq-item__icon {
    transform: rotate(45deg);
}

.faq-item__answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-base);
}

.faq-item__answer p {
    padding: 0 var(--spacing-md) var(--spacing-md);
    color: var(--color-text-muted);
    line-height: 1.7;
}

/* ===== Contact Section ===== */
.contact {
    background: linear-gradient(180deg, transparent, rgba(0, 255, 204, 0.05));
}

.contact__methods {
    max-width: 700px;
    margin: var(--spacing-md) auto 0;
}

.contact__phone {
    text-align: center;
    margin-bottom: var(--spacing-md);
}

.contact__phone h3 {
    margin-bottom: var(--spacing-sm);
}

.contact__divider {
    text-align: center;
    position: relative;
    margin: var(--spacing-md) 0;
}

.contact__divider::before,
.contact__divider::after {
    content: "";
    position: absolute;
    top: 50%;
    width: 40%;
    height: 1px;
    background: var(--color-border);
}

.contact__divider::before {
    left: 0;
}

.contact__divider::after {
    right: 0;
}

.contact__divider span {
    color: var(--color-text-muted);
    padding: 0 var(--spacing-sm);
    background: var(--color-bg-dark);
}

.contact__form-wrapper h3 {
    text-align: center;
    margin-bottom: var(--spacing-md);
}

/* ===== Forms ===== */
.contact-form {
    background: var(--color-bg-card);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
}

.form-group {
    margin-bottom: var(--spacing-sm);
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 600;
    color: var(--color-text);
}

.form-input,
.form-textarea {
    width: 100%;
    padding: 0.75rem;
    background: rgba(10, 14, 39, 0.5);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text);
    font-size: var(--font-size-base);
    font-family: inherit;
    transition: all var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(0, 255, 204, 0.1);
}

.form-textarea {
    resize: vertical;
    min-height: 100px;
}

.form-error {
    display: block;
    color: #ff4444;
    font-size: var(--font-size-sm);
    margin-top: var(--spacing-xs);
}

.form-message {
    margin-top: var(--spacing-sm);
    padding: var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-weight: 600;
    display: none;
}

.form-message--success {
    display: block;
    background: rgba(0, 255, 0, 0.1);
    color: #00ff00;
    border: 1px solid rgba(0, 255, 0, 0.3);
}

.form-message--error {
    display: block;
    background: rgba(255, 0, 0, 0.1);
    color: #ff4444;
    border: 1px solid rgba(255, 0, 0, 0.3);
}

.honeypot {
    position: absolute;
    left: -9999px;
    width: 1px;
    height: 1px;
    opacity: 0;
}

/* ===== Footer ===== */
.footer {
    background: var(--color-bg-darker);
    padding: var(--spacing-lg) 0 var(--spacing-md);
    border-top: 1px solid var(--color-border);
}

.footer__content {
    display: grid;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

@media (min-width: 768px) {
    .footer__content {
        grid-template-columns: repeat(3, 1fr);
    }
}

.footer__brand .logo {
    margin-bottom: var(--spacing-xs);
}

.footer__tagline {
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
}

.footer span {
    margin-bottom: var(--spacing-xs);
    font-size: var(--font-size-xl);
    font-weight: 600;
}

.footer__contact p,
.footer__links p {
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
    line-height: 1.7;
}

.footer__bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-border);
}

.footer__bottom p {
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
    margin: 0;
}

/* ===== Blog Posts ===== */
.blog-post {
    padding: var(--spacing-md) 0 var(--spacing-xl);
}

.blog-post__header {
    text-align: center;
    margin-bottom: var(--spacing-md);
}

.blog-post__category {
    display: inline-block;
    padding: 0.35rem 1rem;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    color: var(--color-bg-dark);
    border-radius: 15px;
    text-decoration: none;
    font-size: var(--font-size-sm);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    transition: all var(--transition-base);
}

.blog-post__category:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 255, 204, 0.3);
    color: var(--color-bg-dark);
}

.blog-post__title {
    margin-bottom: var(--spacing-sm);
}

.blog-post__meta {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
    flex-wrap: wrap;
}

.blog-post__featured-image {
    margin: var(--spacing-md) 0;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--color-border);
}

.blog-post__featured-image img {
    width: 100%;
    height: auto;
    display: block;
}

.blog-post__content {
    background: var(--color-bg-card);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    margin: var(--spacing-md) 0;
    line-height: 1.8;
}

.blog-post__content h2 {
    margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    color: var(--color-primary);
}

.blog-post__content h3 {
    margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    color: var(--color-secondary);
}

.blog-post__content h4 {
    margin-top: var(--spacing-sm);
    margin-bottom: var(--spacing-xs);
    color: var(--color-secondary);
}

.blog-post__content p {
    margin-bottom: var(--spacing-sm);
}

.blog-post__content ul,
.blog-post__content ol {
    margin: var(--spacing-sm) 0;
    padding-left: 0;
    list-style: none;
}

.blog-post__content li {
    padding: var(--spacing-xs) 0;
    padding-left: 1.5rem;
    position: relative;
}

.blog-post__content ul li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--color-primary);
    font-weight: 700;
}

.blog-post__content ol {
    counter-reset: item;
}

.blog-post__content ol li {
    counter-increment: item;
}

.blog-post__content ol li::before {
    content: counter(item) ".";
    position: absolute;
    left: 0;
    color: var(--color-primary);
    font-weight: 700;
}

.blog-post__content strong {
    font-weight: 600;
    color: var(--color-text);
}

.blog-post__content a {
    color: var(--color-primary);
    text-decoration: underline;
}

.blog-post__content a:hover {
    color: var(--color-secondary);
}

.blog-post__content blockquote {
    margin: var(--spacing-md) 0;
    padding: var(--spacing-sm) var(--spacing-md);
    border-left: 4px solid var(--color-primary);
    background: rgba(0, 255, 204, 0.05);
    font-style: italic;
}

.blog-post__content code {
    background: rgba(0, 255, 204, 0.1);
    padding: 0.2rem 0.4rem;
    border-radius: var(--radius-sm);
    font-family: 'Courier New', monospace;
    font-size: 0.9em;
    color: var(--color-primary);
}

.blog-post__content pre {
    background: var(--color-bg-darker);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    overflow-x: auto;
    margin: var(--spacing-md) 0;
    border: 1px solid var(--color-border);
}

.blog-post__content pre code {
    background: none;
    padding: 0;
    color: var(--color-text);
}

.blog-post__content img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-md);
    margin: var(--spacing-md) 0;
    border: 1px solid var(--color-border);
}

.blog-post__footer {
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-border);
}

/* ===== Dictionary Terms ===== */
.dictionary-term {
    padding: var(--spacing-md) 0 var(--spacing-xl);
}

.term-header {
    text-align: center;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-md);
    border-bottom: 2px solid var(--color-border);
}

.term-title {
    margin-bottom: var(--spacing-sm);
}

.term-short-def {
    font-size: var(--font-size-lg);
    color: var(--color-text-muted);
    max-width: 800px;
    margin: 0 auto;
}

.term-short-def h2 {
    font-size: var(--font-size-md);
    color: var(--color-text);
    max-width: 800px;
    margin: 0 auto;
    font-weight: 400;
    font-style: italic;
}

.term-content {
    background: var(--color-bg-card);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    margin: var(--spacing-md) 0;
    line-height: 1.8;
}

.term-content h2,
.term-content h3,
.term-content h4 {
    margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

.term-content h2 {
    color: var(--color-primary);
}

.term-content h3 {
    color: var(--color-secondary);
}

.term-content h4 {
    color: var(--color-secondary);
}

.term-content p {
    margin-bottom: var(--spacing-sm);
}

.term-content ul,
.term-content ol {
    margin: var(--spacing-sm) 0;
    padding-left: 0;
    list-style: none;
}

.term-content li {
    padding: var(--spacing-xs) 0;
    padding-left: 1.5rem;
    position: relative;
}

.term-content ul li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--color-primary);
    font-weight: 700;
}

.term-content ol {
    counter-reset: item;
}

.term-content ol li {
    counter-increment: item;
}

.term-content ol li::before {
    content: counter(item) ".";
    position: absolute;
    left: 0;
    color: var(--color-primary);
    font-weight: 700;
}

.term-content code {
    background: rgba(0, 255, 204, 0.1);
    padding: 0.2rem 0.4rem;
    border-radius: var(--radius-sm);
    font-family: monospace;
    color: var(--color-primary);
}

.term-content pre {
    background: var(--color-bg-darker);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    overflow-x: auto;
    border: 1px solid var(--color-border);
}

.cta-box-technical {
    margin: 40px auto 0;
    text-align: center;
    max-width: 600px;
    font-size: large;
    font-weight: 500;

}

.cta-box-technical .btn {
    display: inline-block;
    margin-top: 12px;
    color: var(--color-bg-dark);
    text-decoration: none;
}

.related-terms {
    margin: var(--spacing-md) 0;
    padding: var(--spacing-md);
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
}

.related-terms h2 {
    margin: 0 0 var(--spacing-sm) 0;
    font-size: var(--font-size-xl);
    color: var(--color-primary);
}

.related-links {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
}

.related-link {
    padding: 0.5rem 1rem;
    background: rgba(0, 255, 204, 0.1);
    color: var(--color-primary);
    text-decoration: none;
    border-radius: 20px;
    border: 1px solid var(--color-border);
    transition: all var(--transition-base);
    font-weight: 500;
}

.related-link:hover {
    background: var(--color-primary);
    color: var(--color-bg-dark);
    border-color: var(--color-primary);
}

.term-footer {
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-border);
}

/* ===== Utility Classes ===== */
.text-center {
    text-align: center;
}

.mt-2 {
    margin-top: var(--spacing-md);
}

.mb-2 {
    margin-bottom: var(--spacing-md);
}

/* ===== Navigation (Desktop) ===== */
.header__actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.nav {
    display: none;
}

@media (min-width: 768px) {
    .nav {
        display: block;
    }
}

.nav__list {
    display: flex;
    gap: var(--spacing-md);
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav__item {
    margin: 0;
}

.nav__link {
    color: var(--color-text);
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.nav__link:hover {
    background: rgba(0, 255, 204, 0.1);
    color: var(--color-primary);
}

.nav__link--active {
    color: var(--color-primary);
    background: rgba(0, 255, 204, 0.1);
}

/* ===== Hamburger Menu (Mobile) ===== */
.hamburger {
    display: flex;
    flex-direction: column;
    justify-content: space-around;
    width: 30px;
    height: 24px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 1003;
    position: relative;
}

@media (min-width: 768px) {
    .hamburger {
        display: none;
    }
}

.hamburger__line {
    width: 100%;
    height: 3px;
    background: var(--color-primary);
    border-radius: 2px;
    transition: all var(--transition-base);
}

.hamburger--open .hamburger__line:nth-child(1) {
    transform: translateY(10.5px) rotate(45deg);
}

.hamburger--open .hamburger__line:nth-child(2) {
    opacity: 0;
}

.hamburger--open .hamburger__line:nth-child(3) {
    transform: translateY(-10.5px) rotate(-45deg);
}

/* ===== Mobile Menu Overlay ===== */
.mobile-menu {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: rgba(10, 14, 39, 0.98);
    backdrop-filter: blur(10px);
    z-index: 1001;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

.mobile-menu--open {
    opacity: 1;
    visibility: visible;
}

@media (min-width: 768px) {
    .mobile-menu {
        display: none;
    }
}

.mobile-menu__nav {
    width: 100%;
    padding: var(--spacing-md);
}

.mobile-menu__list {
    list-style: none;
    padding: 0;
    margin: 0;
    text-align: center;
}

.mobile-menu__item {
    margin-bottom: var(--spacing-sm);
}

.mobile-menu__link {
    display: block;
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--color-text);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.mobile-menu__link:hover {
    background: rgba(0, 255, 204, 0.1);
    color: var(--color-primary);
}

/* Close button inside mobile menu */
.mobile-menu__close {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border: 2px solid var(--color-primary);
    border-radius: 50%;
    cursor: pointer;
    z-index: 1002;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.mobile-menu__close:hover {
    background: rgba(0, 255, 204, 0.2);
    transform: rotate(90deg);
}

.mobile-menu__close-line {
    position: absolute;
    width: 20px;
    height: 3px;
    background: var(--color-primary);
    border-radius: 2px;
}

.mobile-menu__close-line:nth-child(1) {
    transform: rotate(45deg);
}

.mobile-menu__close-line:nth-child(2) {
    transform: rotate(-45deg);
}


/* ===== Rating Widget ===== */
.rating-widget {
    text-align: center;
    margin: var(--spacing-md) auto;
    max-width: 400px;
}

.stars-rating {
    margin-bottom: var(--spacing-xs);
}

.stars-rating .stars {
    color: gold;
    font-size: 1.4em;
    font-weight: 900;
    margin: 0 2px;
    text-shadow: 0 2px 4px rgba(255, 215, 0, 0.3);
}

.rating-text {
    font-size: 0.95em;
    color: var(--color-text-muted);
    margin: 0;
}

/* ===== Portfolio Page ===== */
.page-hero {
    text-align: center;
    padding: var(--spacing-lg) 0 var(--spacing-md);
    background: linear-gradient(180deg, rgba(0, 255, 204, 0.05), transparent);
}

.page-hero__title {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: var(--spacing-sm);
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.page-hero__subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-text-muted);
    max-width: 700px;
    margin: 0 auto;
}

.portfolio-section {
    padding: var(--spacing-xl) 0;
}

.portfolio-grid {
    display: grid;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

@media (min-width: 768px) {
    .portfolio-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .portfolio-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.portfolio-item {
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    transition: all var(--transition-base);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.portfolio-item:hover {
    transform: translateY(-4px);
    border-color: var(--color-primary);
    box-shadow: 0 12px 24px rgba(0, 255, 204, 0.15);
}

.portfolio-item__image {
    width: 100%;
    height: 200px;
    overflow: hidden;
    background: var(--color-bg-darker);
    position: relative;
}

.portfolio-item__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-base);
}

.portfolio-item:hover .portfolio-item__image img {
    transform: scale(1.05);
}

.portfolio-item__placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    background: linear-gradient(135deg, rgba(0, 255, 204, 0.05), rgba(0, 212, 255, 0.05));
}

.portfolio-item__placeholder-icon {
    font-size: 3rem;
    opacity: 0.5;
}

.portfolio-item__placeholder-text {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.portfolio-item__content {
    padding: var(--spacing-md);
    flex: 1;
    display: flex;
    flex-direction: column;
}

.portfolio-item__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-sm);
}

.portfolio-item__category {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-primary);
    background: rgba(0, 255, 204, 0.1);
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-sm);
}

.portfolio-item__year {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.portfolio-item__title {
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-xl);
}

.portfolio-item__title a {
    color: var(--color-text);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.portfolio-item__title a:hover {
    color: var(--color-primary);
}

.portfolio-item__external {
    font-size: 0.8em;
    margin-left: 0.25rem;
}

.portfolio-item__description {
    color: var(--color-text-muted);
    line-height: 1.7;
    margin-bottom: var(--spacing-sm);
    flex: 1;
}

.portfolio-item__tech {
    padding-top: var(--spacing-sm);
    border-top: 1px solid var(--color-border);
}

.tech-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
}

.tech-tag {
    display: inline-block;
    font-size: var(--font-size-sm);
    padding: 0.25rem 0.75rem;
    background: rgba(0, 212, 255, 0.1);
    color: var(--color-secondary);
    border-radius: var(--radius-sm);
    border: 1px solid rgba(0, 212, 255, 0.2);
    font-weight: 500;
}

.portfolio-empty {
    text-align: center;
    padding: var(--spacing-xl) var(--spacing-md);
}

.portfolio-cta {
    background: var(--color-bg-darker);
    padding: var(--spacing-xl) 0;
    text-align: center;
}

.cta-buttons {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    align-items: center;
    margin-top: var(--spacing-md);
}

@media (min-width: 640px) {
    .cta-buttons {
        flex-direction: row;
        justify-content: center;
    }
}

/* ===== Button Helpers ===== */
.btn__text--desktop {
    display: none;
}

@media (min-width: 640px) {
    .btn__text--desktop {
        display: inline;
    }
}

/* ===== Footer Nav ===== */
.footer__nav {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer__nav li {
    margin-bottom: 0.5rem;
}

.footer__nav a {
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
    transition: color var(--transition-fast);
}

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

/* Breadcrumb Navigation Styles */

.breadcrumb {
    margin: 1.5rem 0;
    padding: 1rem 0 0 1rem;
}

.breadcrumb__list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
}

.breadcrumb__item {
    display: flex;
    align-items: center;
}

.breadcrumb__item:not(:last-child)::after {
    content: "›";
    margin-left: 0.5rem;
    color: var(--color-text-muted);
    font-size: 1.1rem;
}

.breadcrumb__link {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.breadcrumb__link:hover {
    color: var(--color-secondary);
    text-decoration: underline;
}

.breadcrumb__current {
    color: var(--color-text-muted);
}

@media (max-width: 768px) {
    .breadcrumb {
        margin: 1rem 0;
    }

    .breadcrumb__list {
        font-size: 0.85rem;
    }

    #seowl-tech-bar {
        display: none !important;
    }
}