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

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    color: #333333;
    background-color: #FFFFFF;
    line-height: 1.6;
}

/* ================================================================
   CONTAINER
   ================================================================ */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 40px;
}

/* ================================================================
   HEADER / NAVIGATION
   ================================================================ */
.header {
    position: sticky;
    top: 0;
    background-color: #FFFFFF;
    border-bottom: 1px solid #E5E7EB;
    z-index: 100;
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 60px;
}

.logo {
    font-size: 18px;
    font-weight: 700;
    color: #1A365D;
    letter-spacing: 0.5px;
}

.nav {
    display: flex;
    gap: 30px;
}

.nav-link {
    font-size: 14px;
    color: #333333;
    text-decoration: none;
    transition: color 0.2s;
}

.nav-link:hover {
    color: #1A365D;
}

/* ================================================================
   BUTTONS
   ================================================================ */
.btn {
    display: inline-block;
    padding: 14px 32px;
    border: none;
    border-radius: 4px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    transition: background-color 0.2s, color 0.2s;
}

.btn-primary {
    background-color: #1A365D;
    color: #FFFFFF;
}

.btn-primary:hover {
    background-color: #0f1f39;
}

.btn-cta {
    background-color: #D4AF37;
    color: #1A365D;
    padding: 16px 48px;
    font-size: 16px;
}

.btn-cta:hover {
    background-color: #c9a227;
}

/* ================================================================
   HERO SECTION
   ================================================================ */
.hero {
    padding: 120px 0;
    background-color: #FFFFFF;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.hero-text {
    display: flex;
    flex-direction: column;
    gap: 28px;
}

.hero-eyebrow {
    font-size: 13px;
    font-weight: 600;
    color: #1A365D;
    text-transform: uppercase;
    letter-spacing: 0.8px;
}

.hero-headline {
    font-size: 44px;
    font-weight: 700;
    color: #333333;
    line-height: 1.3;
}

.hero-description {
    font-size: 15px;
    color: #666666;
    line-height: 1.9;
}

.hero-img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 4px;
}

/* ================================================================
   PROBLEM SECTION
   ================================================================ */
.problem {
    padding: 120px 0;
    background-color: #FFFFFF;
}

.section-title {
    font-size: 32px;
    font-weight: 700;
    color: #333333;
    text-align: center;
    margin-bottom: 80px;
}

.problem-list {
    list-style: none;
    max-width: 720px;
    margin: 0 auto;
}

.problem-item {
    display: flex;
    gap: 24px;
    font-size: 15px;
    color: #666666;
    margin-bottom: 32px;
    line-height: 1.9;
}

.check-mark {
    flex-shrink: 0;
    font-weight: 700;
    color: #1A365D;
    font-size: 16px;
}

/* ================================================================
   OUR METHOD SECTION
   ================================================================ */
.method {
    padding: 120px 0;
    background-color: #FFFFFF;
}

.method-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    margin-top: 80px;
}

.method-card {
    background-color: #FFFFFF;
    padding: 48px;
    border: 1px solid #E5E7EB;
    border-radius: 4px;
    box-shadow: none;
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.method-card-title {
    font-size: 17px;
    font-weight: 700;
    color: #333333;
}

.method-card-text {
    font-size: 14px;
    color: #666666;
    line-height: 1.9;
}

/* ================================================================
   PROOF & BACKGROUND SECTION
   ================================================================ */
.proof {
    padding: 120px 0;
    background-color: #1A365D;
    color: #FFFFFF;
}

.proof-title {
    color: #FFFFFF;
}

.proof-content {
    max-width: 820px;
    margin: 80px auto 0;
}

.proof-text {
    font-size: 15px;
    line-height: 1.9;
    margin-bottom: 28px;
    color: #E5E7EB;
}

.proof-text .highlight {
    color: #D4AF37;
    font-weight: 600;
}

/* ================================================================
   ABOUT US SECTION
   ================================================================ */
.profile {
    padding: 120px 0;
    background-color: #FFFFFF;
}

.profile-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.profile-img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 4px;
}

.profile-text {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.profile-name {
    font-size: 28px;
    font-weight: 700;
    color: #333333;
}

.profile-title {
    font-size: 15px;
    font-weight: 600;
    color: #1A365D;
}

.profile-description {
    font-size: 14px;
    color: #666666;
    line-height: 1.9;
}

/* ================================================================
   CTA SECTION
   ================================================================ */
.cta {
    padding: 120px 0;
    background-color: #FFFFFF;
    text-align: center;
    border-top: 1px solid #E5E7EB;
}

.cta-headline {
    font-size: 32px;
    font-weight: 700;
    color: #333333;
    margin-bottom: 20px;
}

.cta-subheadline {
    font-size: 16px;
    color: #666666;
    margin-bottom: 50px;
}

.cta-micro {
    font-size: 12px;
    color: #999999;
    margin-top: 24px;
}

/* ================================================================
   PAGE HEADER STYLES
   ================================================================ */
.page-header {
    padding: 100px 0;
    background-color: #FFFFFF;
}

.page-title {
    font-size: 40px;
    font-weight: 700;
    color: #333333;
    margin-bottom: 20px;
}

.page-description {
    font-size: 16px;
    color: #666666;
    line-height: 1.8;
    max-width: 760px;
}

/* ================================================================
   BLOG GRID STYLES
   ================================================================ */
.blog-grid-section {
    padding: 80px 0;
    background-color: #FFFFFF;
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.blog-card {
    background-color: #FFFFFF;
    border: 1px solid #E5E7EB;
    border-radius: 4px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: box-shadow 0.2s;
}

.blog-card:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.blog-card-image {
    width: 100%;
    height: 240px;
    overflow: hidden;
    background-color: #F8F9FA;
}

.blog-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.blog-card-content {
    padding: 28px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    flex-grow: 1;
}

.blog-card-date {
    font-size: 12px;
    color: #999999;
    margin: 0;
}

.blog-card-title {
    font-size: 17px;
    font-weight: 700;
    color: #333333;
    line-height: 1.5;
    margin: 0;
}

.blog-card-excerpt {
    font-size: 14px;
    color: #666666;
    line-height: 1.7;
    margin: 8px 0 0 0;
    flex-grow: 1;
}

.blog-card-link {
    font-size: 13px;
    color: #1A365D;
    text-decoration: none;
    font-weight: 600;
    margin-top: 12px;
    display: inline-block;
}

.blog-card-link:hover {
    text-decoration: underline;
}

/* ================================================================
   ARTICLE PAGE STYLES (concept.html)
   ================================================================ */
.logo-link {
    color: #1A365D;
    text-decoration: none;
}

.article-header {
    padding: 100px 0;
    background-color: #FFFFFF;
}

.article-title {
    font-size: 40px;
    font-weight: 700;
    color: #333333;
    margin-bottom: 20px;
}

.article-lead {
    font-size: 16px;
    color: #666666;
    line-height: 1.8;
    max-width: 760px;
}

.article {
    padding: 60px 0;
    background-color: #FFFFFF;
}

.container-article {
    max-width: 760px;
    margin: 0 auto;
}

.article-section {
    margin-bottom: 60px;
}

.article-section h2 {
    font-size: 28px;
    font-weight: 700;
    color: #333333;
    margin-bottom: 24px;
    margin-top: 0;
}

.article-section h3 {
    font-size: 20px;
    font-weight: 700;
    color: #333333;
    margin-bottom: 16px;
    margin-top: 32px;
}

.article-section p {
    font-size: 15px;
    color: #666666;
    line-height: 1.9;
    margin-bottom: 18px;
}

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

.back-to-home {
    padding: 80px 0;
    background-color: #F8F9FA;
    text-align: center;
    border-top: 1px solid #E5E7EB;
}

/* ================================================================
   BLOG SINGLE ARTICLE STYLES (blog-single.html)
   ================================================================ */
.article-hero {
    width: 100%;
    height: 400px;
    overflow: hidden;
    background-color: #F8F9FA;
}

.article-hero-image {
    width: 100%;
    height: 100%;
}

.article-hero-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.article-meta-section {
    padding: 60px 0;
    background-color: #FFFFFF;
}

.article-meta-date {
    font-size: 13px;
    color: #999999;
    margin-bottom: 16px;
}

.article-heading {
    font-size: 36px;
    font-weight: 700;
    color: #333333;
    margin-bottom: 18px;
    line-height: 1.3;
}

.article-meta-category {
    font-size: 13px;
    color: #666666;
}

.article-meta-category span {
    color: #1A365D;
    font-weight: 600;
}

.article-single {
    padding: 60px 0;
    background-color: #FFFFFF;
}

.article-body {
    margin-bottom: 60px;
}

.article-content-section {
    margin-bottom: 50px;
}

.article-content-section h2 {
    font-size: 26px;
    font-weight: 700;
    color: #333333;
    margin-bottom: 20px;
    margin-top: 0;
}

.article-content-section h3 {
    font-size: 19px;
    font-weight: 700;
    color: #333333;
    margin-bottom: 14px;
    margin-top: 28px;
}

.article-content-section p {
    font-size: 15px;
    color: #666666;
    line-height: 1.9;
    margin-bottom: 16px;
}

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

.article-nav {
    padding: 60px 0;
    text-align: center;
    border-top: 1px solid #E5E7EB;
}

.btn-secondary {
    background-color: #F8F9FA;
    color: #333333;
    border: 1px solid #E5E7EB;
}

.btn-secondary:hover {
    background-color: #E5E7EB;
}

.article-cta {
    padding: 100px 0;
    background-color: #F8F9FA;
    text-align: center;
    border-top: 1px solid #E5E7EB;
}

.article-cta .cta-headline {
    margin-bottom: 16px;
}

.article-cta .cta-subheadline {
    margin-bottom: 40px;
}

/* ================================================================
   RESPONSIVE BLOG STYLES
   ================================================================ */
@media (max-width: 768px) {
    .blog-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .article-heading {
        font-size: 28px;
    }

    .article-content-section h2 {
        font-size: 22px;
    }

    .article-hero {
        height: 250px;
    }
}

/* ================================================================
   CONTACT FORM STYLES (contact.html)
   ================================================================ */
.contact-section {
    padding: 80px 0;
    background-color: #FFFFFF;
}

.contact-form-wrapper {
    max-width: 600px;
    margin: 0 auto;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 28px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.form-label {
    font-size: 14px;
    font-weight: 600;
    color: #333333;
}

.form-required {
    color: #D4AF37;
    margin-left: 4px;
}

.form-input,
.form-select,
.form-textarea {
    padding: 12px 14px;
    font-size: 14px;
    color: #333333;
    background-color: #FFFFFF;
    border: 1px solid #D1D5DB;
    border-radius: 4px;
    font-family: inherit;
    transition: border-color 0.2s;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: #1A365D;
    box-shadow: 0 0 0 2px rgba(26, 54, 93, 0.1);
}

.form-textarea {
    resize: vertical;
    min-height: 200px;
}

.form-group-submit {
    margin-top: 20px;
    align-items: center;
}

.btn-contact {
    background-color: #1A365D;
    color: #FFFFFF;
    padding: 14px 48px;
    font-size: 15px;
    font-weight: 600;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.2s;
}

.btn-contact:hover {
    background-color: #0f1f39;
}

/* ================================================================
   RESPONSIVE CONTACT FORM
   ================================================================ */
@media (max-width: 768px) {
    .contact-section {
        padding: 60px 0;
    }

    .contact-form-wrapper {
        max-width: 100%;
    }

    .contact-form {
        gap: 20px;
    }

    .form-input,
    .form-select,
    .form-textarea {
        padding: 10px 12px;
        font-size: 13px;
    }

    .btn-contact {
        padding: 12px 32px;
        font-size: 14px;
    }
}

/* ================================================================
   FOOTER
   ================================================================ */
.footer {
    padding: 40px 0;
    background-color: #F8F9FA;
    border-top: 1px solid #E5E7EB;
    text-align: center;
}

.footer p {
    font-size: 13px;
    color: #999999;
}

/* ================================================================
   RESPONSIVE DESIGN
   ================================================================ */
@media (max-width: 768px) {
    .container {
        padding: 0 20px;
    }

    .header .container {
        height: 50px;
    }

    .logo {
        font-size: 16px;
    }

    .nav {
        gap: 15px;
    }

    .nav-link {
        font-size: 13px;
    }

    /* Hero */
    .hero {
        padding: 80px 0;
    }

    .hero-grid {
        grid-template-columns: 1fr;
        gap: 50px;
    }

    .hero-headline {
        font-size: 30px;
    }

    .hero-description {
        font-size: 14px;
    }

    .placeholder-hero {
        height: 400px;
    }

    /* Sections */
    .section-title {
        font-size: 26px;
        margin-bottom: 60px;
    }

    .problem {
        padding: 80px 0;
    }

    .method {
        padding: 80px 0;
    }

    .method-cards {
        grid-template-columns: 1fr;
        gap: 30px;
        margin-top: 60px;
    }

    .method-card {
        padding: 36px;
    }

    .proof {
        padding: 80px 0;
    }

    .proof-content {
        margin-top: 60px;
    }

    .profile {
        padding: 80px 0;
    }

    .profile-grid {
        grid-template-columns: 1fr;
        gap: 50px;
    }

    /* CTA */
    .cta {
        padding: 80px 0;
    }

    .cta-headline {
        font-size: 26px;
    }

    .cta-subheadline {
        font-size: 15px;
    }

    .btn-cta {
        padding: 14px 32px;
        font-size: 14px;
    }

    /* Footer */
    .footer {
        padding: 30px 0;
    }
}

@media (max-width: 480px) {
    .hero-headline {
        font-size: 24px;
    }

    .section-title {
        font-size: 22px;
        margin-bottom: 30px;
    }

    .problem-item {
        font-size: 14px;
        gap: 12px;
    }

    .method-card {
        padding: 20px;
    }

    .method-card-title {
        font-size: 16px;
    }

    .profile-name {
        font-size: 24px;
    }

    .cta-headline {
        font-size: 22px;
    }
}