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

:root {
    --cream: #F7F3EC;
    --soft-cream: #FCFAF6;
    --sage: #8FA99B;
    --deep-sage: #476A5D;
    --mint: #DDEAE3;
    --lavender: #E9DDF0;
    --rose: #D8BFD8;
    --charcoal: #2F3433;
    --gray: #6F7774;
    --white: #FFFFFF;
    --border: 1px solid rgba(71, 106, 93, 0.16);
    --shadow: 0 24px 70px rgba(47, 52, 51, 0.10);
}

body.dark-mode {
    --cream: #1F2423;
    --soft-cream: #171B1A;
    --sage: #9DB7AA;
    --deep-sage: #A8C8B9;
    --mint: #263A34;
    --lavender: #2B2430;
    --rose: #3A2B3A;
    --charcoal: #F4F1EA;
    --gray: #C8D0CC;
    --white: #222827;
    --border: 1px solid rgba(168, 200, 185, 0.18);
    --shadow: 0 24px 70px rgba(0, 0, 0, 0.32);
}

html { scroll-behavior: smooth; }

body {
    font-family: Arial, Helvetica, sans-serif;
    background: var(--soft-cream);
    color: var(--charcoal);
    line-height: 1.6;
}

body.menu-open { overflow: hidden; }
a { text-decoration: none; }
img { max-width: 100%; }

.container {
    width: 90%;
    max-width: 1180px;
    margin: 0 auto;
}

.header {
    width: 100%;
    background: rgba(252, 250, 246, 0.88);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(71, 106, 93, 0.10);
    position: fixed;
    top: 0;
    left: 0;
    z-index: 999;
    transition: 0.3s ease;
}

.header.scrolled { box-shadow: 0 14px 35px rgba(47, 52, 51, 0.08); }

body.dark-mode .header {
    background: rgba(23, 27, 26, 0.92);
    border-bottom: 1px solid rgba(168, 200, 185, 0.12);
}

.navbar {
    height: 82px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.brand,
.footer-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--charcoal);
}

.brand-mark {
    width: 46px;
    height: 46px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--deep-sage), var(--sage));
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    letter-spacing: 0.8px;
    box-shadow: 0 12px 30px rgba(71, 106, 93, 0.22);
}

body.dark-mode .brand-mark {
    background: linear-gradient(135deg, #A8C8B9, #7FA394);
    color: #111514;
}

.brand-text,
.footer-brand div {
    display: flex;
    flex-direction: column;
    line-height: 1.15;
}

.brand-text strong,
.footer-brand strong { font-size: 17px; }

.brand-text span,
.footer-brand span {
    font-size: 12px;
    color: var(--deep-sage);
    font-weight: 700;
    margin-top: 4px;
    text-transform: uppercase;
    letter-spacing: 0.8px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 20px;
}

.nav-links a {
    color: var(--charcoal);
    font-size: 15px;
    font-weight: 700;
    position: relative;
    transition: 0.3s ease;
}

.nav-links a::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -7px;
    width: 0;
    height: 2px;
    background: var(--deep-sage);
    transition: 0.3s ease;
}

.nav-links a:hover { color: var(--deep-sage); }
.nav-links a:hover::after { width: 100%; }

.nav-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

.theme-toggle {
    width: 42px;
    height: 42px;
    border: var(--border);
    border-radius: 50%;
    background: var(--white);
    color: var(--charcoal);
    font-size: 19px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 22px rgba(47, 52, 51, 0.08);
    transition: 0.3s ease;
}

.theme-toggle:hover {
    transform: translateY(-2px);
    background: var(--mint);
}

body.dark-mode .theme-toggle {
    background: rgba(255, 255, 255, 0.07);
    color: #F4F1EA;
    border: 1px solid rgba(168, 200, 185, 0.22);
}

.theme-icon { display: inline-block; line-height: 1; }

.nav-call {
    background: var(--charcoal);
    color: var(--white);
    padding: 11px 19px;
    border-radius: 999px;
    font-weight: 800;
    font-size: 14px;
    transition: 0.3s ease;
}

.nav-call:hover {
    background: var(--deep-sage);
    transform: translateY(-2px);
}

body.dark-mode .nav-call {
    background: #A8C8B9;
    color: #111514;
}

body.dark-mode .nav-call:hover { background: #F4F1EA; }

.menu-btn {
    display: none;
    width: 42px;
    height: 42px;
    border: none;
    border-radius: 50%;
    background: var(--white);
    color: var(--charcoal);
    font-size: 22px;
    cursor: pointer;
    box-shadow: 0 8px 22px rgba(47, 52, 51, 0.08);
}

body.dark-mode .menu-btn {
    background: rgba(255, 255, 255, 0.07);
    color: #F4F1EA;
}

.hero {
    min-height: 100vh;
    padding-top: 82px;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    background:
        radial-gradient(circle at 85% 15%, rgba(221, 234, 227, 0.95), transparent 28%),
        radial-gradient(circle at 8% 80%, rgba(233, 221, 240, 0.75), transparent 24%),
        linear-gradient(135deg, #FCFAF6 0%, #F7F3EC 100%);
}

body.dark-mode .hero {
    background:
        radial-gradient(circle at 85% 15%, rgba(71, 106, 93, 0.28), transparent 28%),
        radial-gradient(circle at 8% 80%, rgba(90, 65, 98, 0.24), transparent 24%),
        linear-gradient(135deg, #171B1A 0%, #202725 100%);
}

.hero-bg-shape {
    position: absolute;
    border-radius: 50%;
    filter: blur(2px);
    opacity: 0.75;
}

.shape-one {
    width: 420px;
    height: 420px;
    background: rgba(143, 169, 155, 0.18);
    top: 120px;
    right: -140px;
}

.shape-two {
    width: 260px;
    height: 260px;
    background: rgba(216, 191, 216, 0.22);
    left: -90px;
    bottom: 90px;
}

.hero-grid {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    gap: 58px;
    align-items: center;
}

.hero-content { padding: 50px 0; }

.hero-kicker {
    display: inline-block;
    background: var(--mint);
    color: var(--deep-sage);
    padding: 9px 15px;
    border-radius: 999px;
    font-size: 13px;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 0.9px;
    margin-bottom: 22px;
}

body.dark-mode .hero-kicker {
    background: rgba(168, 200, 185, 0.16);
    color: #BFE1D1;
}

.hero h1 {
    font-size: 66px;
    line-height: 1.02;
    letter-spacing: -2.2px;
    margin-bottom: 22px;
    color: var(--charcoal);
}

.hero p {
    font-size: 19px;
    color: var(--gray);
    max-width: 610px;
    margin-bottom: 32px;
}

.hero-buttons {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
}

.btn {
    display: inline-block;
    padding: 14px 24px;
    border-radius: 999px;
    font-weight: 900;
    transition: 0.3s ease;
}

.primary-btn {
    background: var(--deep-sage);
    color: #FFFFFF;
    box-shadow: 0 14px 30px rgba(71, 106, 93, 0.23);
}

.primary-btn:hover {
    background: var(--charcoal);
    transform: translateY(-2px);
}

body.dark-mode .primary-btn {
    background: #A8C8B9;
    color: #111514;
}

body.dark-mode .primary-btn:hover { background: #F4F1EA; }

.secondary-btn {
    background: var(--white);
    color: var(--charcoal);
    border: var(--border);
}

.secondary-btn:hover {
    background: var(--mint);
    transform: translateY(-2px);
}

body.dark-mode .secondary-btn {
    background: rgba(255, 255, 255, 0.06);
    color: #F4F1EA;
    border: 1px solid rgba(168, 200, 185, 0.22);
}

body.dark-mode .secondary-btn:hover { background: rgba(168, 200, 185, 0.14); }

.ghost-btn {
    background: transparent;
    color: #FFFFFF;
    border: 1px solid rgba(255,255,255,0.42);
}

.ghost-btn:hover {
    background: #FFFFFF;
    color: #111514;
    transform: translateY(-2px);
}

.hero-mini-info {
    margin-top: 34px;
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
}

.hero-mini-info div {
    min-width: 145px;
    background: rgba(255,255,255,0.75);
    border: var(--border);
    border-radius: 20px;
    padding: 15px 17px;
    box-shadow: 0 14px 35px rgba(47, 52, 51, 0.06);
}

.hero-mini-info strong {
    display: block;
    font-size: 16px;
    color: var(--charcoal);
}

.hero-mini-info span {
    display: block;
    font-size: 13px;
    color: var(--gray);
    margin-top: 3px;
}

body.dark-mode .hero-mini-info div {
    background: rgba(255, 255, 255, 0.07);
    border: 1px solid rgba(168, 200, 185, 0.18);
}

body.dark-mode .hero-mini-info strong { color: #F4F1EA; }
body.dark-mode .hero-mini-info span { color: #C8D0CC; }

.hero-visual { position: relative; }

.portrait-card {
    position: relative;
    border-radius: 46px;
    overflow: hidden;
    min-height: 640px;
    background: #FFFFFF;
    box-shadow: var(--shadow);
    border: 8px solid rgba(255, 255, 255, 0.85);
}

body.dark-mode .portrait-card {
    background: #202725;
    border-color: rgba(168, 200, 185, 0.22);
}

.portrait-card img {
    width: 100%;
    height: 640px;
    object-fit: cover;
    object-position: center top;
    display: block;
}

.portrait-info {
    position: absolute;
    left: 24px;
    right: 24px;
    bottom: 24px;
    background: rgba(252, 250, 246, 0.88);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(71, 106, 93, 0.14);
    border-radius: 24px;
    padding: 18px 20px;
}

.portrait-info span {
    color: var(--deep-sage);
    font-weight: 900;
    font-size: 13px;
    text-transform: uppercase;
}

.portrait-info strong {
    display: block;
    font-size: 23px;
    margin-top: 4px;
    color: var(--charcoal);
}

body.dark-mode .portrait-info {
    background: rgba(17, 21, 20, 0.72);
    border: 1px solid rgba(168, 200, 185, 0.28);
    box-shadow: 0 18px 45px rgba(0, 0, 0, 0.24);
}

body.dark-mode .portrait-info span { color: #BFE1D1; }
body.dark-mode .portrait-info strong { color: #FFFFFF; }

.floating-card {
    position: absolute;
    background: rgba(255,255,255,0.90);
    border: var(--border);
    border-radius: 22px;
    padding: 16px 18px;
    box-shadow: 0 18px 45px rgba(47, 52, 51, 0.12);
    max-width: 230px;
}

.floating-card span {
    color: var(--deep-sage);
    font-size: 12px;
    font-weight: 900;
    text-transform: uppercase;
}

.floating-card strong {
    display: block;
    font-size: 15px;
    margin-top: 4px;
    color: var(--charcoal);
}

body.dark-mode .floating-card {
    background: rgba(17, 21, 20, 0.76);
    border: 1px solid rgba(168, 200, 185, 0.30);
    box-shadow: 0 22px 45px rgba(0, 0, 0, 0.30);
}

body.dark-mode .floating-card span { color: #BFE1D1; }
body.dark-mode .floating-card strong { color: #FFFFFF; }

.card-bottom { right: -28px; bottom: 120px; }

.section { padding: 96px 0; }

.section-heading {
    text-align: center;
    max-width: 760px;
    margin: 0 auto 48px;
}

.section-heading span {
    color: var(--deep-sage);
    font-weight: 900;
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.section-heading h2 {
    font-size: 42px;
    line-height: 1.14;
    letter-spacing: -1.2px;
    margin-top: 10px;
    color: var(--charcoal);
}

.section-heading p {
    color: var(--gray);
    font-size: 17px;
    margin-top: 14px;
}

.left-heading { text-align: left; margin: 0; }

.about-section { background: var(--white); }

.about-grid {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 56px;
    align-items: start;
}

.about-text p {
    color: var(--gray);
    font-size: 17px;
    margin-bottom: 16px;
}

.about-credentials {
    margin-top: 28px;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
}

.about-credentials div {
    background: var(--soft-cream);
    border: var(--border);
    border-radius: 22px;
    padding: 18px;
}

.about-credentials strong {
    display: block;
    color: var(--deep-sage);
    font-size: 13px;
    text-transform: uppercase;
    margin-bottom: 7px;
}

.about-credentials span {
    color: var(--charcoal);
    font-size: 14px;
    font-weight: 700;
}

.education-section { background: var(--soft-cream); }

.education-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
}

.education-card {
    background: var(--white);
    border: var(--border);
    border-radius: 30px;
    padding: 30px;
    box-shadow: 0 14px 35px rgba(47, 52, 51, 0.055);
    transition: 0.3s ease;
}

.education-card span {
    display: inline-flex;
    width: 46px;
    height: 46px;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--mint);
    color: var(--deep-sage);
    font-weight: 900;
    margin-bottom: 22px;
}

.education-card h3 {
    font-size: 22px;
    margin-bottom: 10px;
    color: var(--charcoal);
}

.education-card p {
    color: var(--gray);
    font-size: 15px;
}

.education-card:hover {
    transform: translateY(-7px);
    box-shadow: 0 22px 48px rgba(47, 52, 51, 0.10);
}

.fields-section {
    background:
        radial-gradient(circle at top left, rgba(221, 234, 227, 0.72), transparent 26%),
        var(--cream);
}

.fields-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
}

.field-card {
    background: rgba(255,255,255,0.82);
    border: var(--border);
    border-radius: 28px;
    padding: 24px;
    min-height: 245px;
    transition: 0.3s ease;
    box-shadow: 0 14px 35px rgba(47, 52, 51, 0.055);
}

.field-card.featured {
    background: linear-gradient(135deg, var(--deep-sage), #6E8C7E);
    color: #FFFFFF;
}

body.dark-mode .field-card.featured {
    background: linear-gradient(135deg, #35584D, #243A34);
}

.field-card span {
    color: var(--deep-sage);
    font-weight: 900;
    font-size: 13px;
}

.field-card.featured span,
.field-card.featured p {
    color: rgba(255,255,255,0.82);
}

.field-card.featured h3 { color: #FFFFFF; }

.field-card h3 {
    font-size: 20px;
    margin: 18px 0 10px;
    color: var(--charcoal);
}

.field-card p {
    color: var(--gray);
    font-size: 15px;
}

.field-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 22px 48px rgba(47, 52, 51, 0.11);
}

body.dark-mode .about-credentials div,
body.dark-mode .education-card,
body.dark-mode .field-card,
body.dark-mode .detail-item,
body.dark-mode .process-card,
body.dark-mode .insight-card {
    background: rgba(255, 255, 255, 0.055);
    border: 1px solid rgba(168, 200, 185, 0.16);
}

.online-section { background: var(--soft-cream); }

.online-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 34px;
    align-items: stretch;
}

.online-card {
    background:
        linear-gradient(135deg, rgba(47,52,51,0.88), rgba(71,106,93,0.88)),
        linear-gradient(135deg, var(--deep-sage), var(--charcoal));
    border-radius: 34px;
    padding: 44px;
    color: #FFFFFF;
    box-shadow: var(--shadow);
}

body.dark-mode .online-card {
    background:
        linear-gradient(135deg, rgba(20, 24, 23, 0.94), rgba(48, 75, 67, 0.90)),
        linear-gradient(135deg, #243A34, #151817);
    color: #FFFFFF;
    border: 1px solid rgba(168, 200, 185, 0.16);
}

.online-card span {
    display: inline-block;
    color: #DDEAE3;
    font-weight: 900;
    text-transform: uppercase;
    font-size: 13px;
    margin-bottom: 14px;
}

body.dark-mode .online-card span { color: #BFE1D1; }

.online-card h2 {
    font-size: 40px;
    line-height: 1.15;
    margin-bottom: 18px;
    color: #FFFFFF;
}

.online-card p {
    color: rgba(255,255,255,0.84);
    font-size: 17px;
    margin-bottom: 28px;
}

.online-details { display: grid; gap: 16px; }

.detail-item {
    background: var(--white);
    border: var(--border);
    border-radius: 28px;
    padding: 25px;
    display: flex;
    gap: 18px;
    align-items: flex-start;
    box-shadow: 0 14px 35px rgba(47, 52, 51, 0.055);
}

.detail-item strong {
    min-width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--mint);
    color: var(--deep-sage);
    display: flex;
    align-items: center;
    justify-content: center;
}

.detail-item h3 {
    font-size: 20px;
    margin-bottom: 6px;
    color: var(--charcoal);
}

.detail-item p {
    color: var(--gray);
    font-size: 15px;
}

.process-section { background: var(--white); }

.process-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
}

.process-card {
    background: var(--soft-cream);
    border: var(--border);
    border-radius: 30px;
    padding: 30px;
    position: relative;
    overflow: hidden;
}

.process-card::after {
    content: "";
    position: absolute;
    width: 120px;
    height: 120px;
    right: -40px;
    bottom: -40px;
    background: rgba(143, 169, 155, 0.18);
    border-radius: 50%;
}

.process-card span {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--deep-sage);
    color: #FFFFFF;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 900;
    margin-bottom: 24px;
}

body.dark-mode .process-card span { color: #111514; }

.process-card h3 {
    font-size: 22px;
    margin-bottom: 8px;
    color: var(--charcoal);
}

.process-card p { color: var(--gray); }

.insight-section {
    background:
        radial-gradient(circle at right, rgba(233, 221, 240, 0.72), transparent 28%),
        var(--cream);
}

.insight-grid {
    display: grid;
    grid-template-columns: 0.8fr 1.2fr;
    gap: 32px;
    align-items: center;
}

.insight-title span {
    color: var(--deep-sage);
    font-weight: 900;
    text-transform: uppercase;
    font-size: 13px;
}

.insight-title h2 {
    font-size: 40px;
    line-height: 1.15;
    margin-top: 10px;
    color: var(--charcoal);
}

.insight-card {
    background: var(--white);
    border: var(--border);
    border-radius: 32px;
    padding: 34px;
    box-shadow: var(--shadow);
}

.insight-card p {
    color: var(--gray);
    font-size: 17px;
    margin-bottom: 22px;
}

.insight-card a {
    color: var(--deep-sage);
    font-weight: 900;
}

.contact-section {
    background:
        radial-gradient(circle at 10% 10%, rgba(143, 169, 155, 0.25), transparent 24%),
        linear-gradient(135deg, #2F3433, #1F2423);
    color: #FFFFFF;
}

body.dark-mode .contact-section {
    background:
        radial-gradient(circle at 10% 10%, rgba(168, 200, 185, 0.16), transparent 24%),
        linear-gradient(135deg, #111514, #1B211F);
    color: #FFFFFF;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    gap: 34px;
    align-items: stretch;
}

.contact-content span {
    color: #BFE1D1;
    font-weight: 900;
    text-transform: uppercase;
    font-size: 13px;
}

.contact-content h2 {
    font-size: 44px;
    line-height: 1.12;
    margin: 12px 0 18px;
    color: #FFFFFF;
}

.contact-content p {
    color: rgba(255,255,255,0.78);
    font-size: 17px;
    max-width: 620px;
}

.contact-actions {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
    margin-top: 30px;
}

.contact-card {
    background: rgba(255,255,255,0.09);
    border: 1px solid rgba(255,255,255,0.13);
    border-radius: 32px;
    padding: 34px;
    backdrop-filter: blur(10px);
    color: #FFFFFF;
}

body.dark-mode .contact-card {
    background: rgba(255, 255, 255, 0.07);
    border: 1px solid rgba(168, 200, 185, 0.18);
}

.contact-card h3 {
    font-size: 26px;
    margin-bottom: 24px;
    color: #FFFFFF;
}

.contact-row {
    border-top: 1px solid rgba(255,255,255,0.16);
    padding: 18px 0;
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.contact-row strong {
    color: #BFE1D1;
    font-size: 13px;
    text-transform: uppercase;
}

.contact-row a,
.contact-row span {
    color: #FFFFFF;
    font-size: 17px;
}

.contact-note {
    background: rgba(255,255,255,0.10);
    border-radius: 20px;
    padding: 18px;
    margin-top: 10px;
}

.contact-note p {
    color: rgba(255,255,255,0.82);
    font-size: 15px;
}

.footer {
    background: #1F2423;
    color: #FFFFFF;
    padding: 28px 0;
    border-top: 1px solid rgba(255,255,255,0.09);
}

body.dark-mode .footer { background: #111514; }

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 24px;
}

.footer-brand { color: #FFFFFF; }

.footer p {
    color: rgba(255,255,255,0.62);
    font-size: 14px;
}

.fixed-call {
    position: fixed;
    right: 22px;
    bottom: 22px;
    background: var(--deep-sage);
    color: #FFFFFF;
    padding: 14px 22px;
    border-radius: 999px;
    font-weight: 900;
    z-index: 998;
    box-shadow: 0 14px 34px rgba(71, 106, 93, 0.34);
    transition: 0.3s ease;
}

.fixed-call:hover {
    background: var(--charcoal);
    transform: translateY(-3px);
}

body.dark-mode .fixed-call {
    background: #A8C8B9;
    color: #111514;
}

body.dark-mode .fixed-call:hover { background: #F4F1EA; }

.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: 0.75s ease;
}

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

@media (max-width: 1080px) {
    .nav-links {
        position: fixed;
        top: 82px;
        left: 0;
        width: 100%;
        background: rgba(252, 250, 246, 0.98);
        border-bottom: 1px solid rgba(71, 106, 93, 0.12);
        padding: 24px;
        display: none;
        flex-direction: column;
        gap: 18px;
    }

    body.dark-mode .nav-links {
        background: rgba(23, 27, 26, 0.98);
        border-bottom: 1px solid rgba(168, 200, 185, 0.12);
    }

    .nav-links.active { display: flex; }
    .menu-btn { display: block; }

    .hero-grid,
    .about-grid,
    .online-grid,
    .insight-grid,
    .contact-grid {
        grid-template-columns: 1fr;
    }

    .hero h1 { font-size: 52px; }
    .portrait-card { min-height: 560px; }
    .portrait-card img { height: 560px; }
    .card-bottom { display: none; }
    .fields-grid { grid-template-columns: repeat(2, 1fr); }
    .process-grid { grid-template-columns: 1fr; }
    .about-credentials { grid-template-columns: 1fr; }
    .education-grid { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
    .navbar { height: 74px; }
    .nav-links { top: 74px; }
    .brand-mark { width: 42px; height: 42px; font-size: 14px; }
    .brand-text strong { font-size: 15px; }
    .brand-text span { font-size: 10px; }
    .theme-toggle { width: 40px; height: 40px; }
    .nav-call { display: none; }
    .hero { padding-top: 74px; min-height: auto; }
    .hero-content { padding: 60px 0 22px; }
    .hero h1 { font-size: 40px; letter-spacing: -1.2px; }
    .hero p { font-size: 16px; }
    .hero-buttons { flex-direction: column; }
    .btn { width: 100%; text-align: center; }
    .hero-mini-info { display: none; }
    .portrait-card { min-height: 430px; border-radius: 34px; }
    .portrait-card img { height: 430px; }
    .section { padding: 72px 0; }
    .section-heading h2 { font-size: 32px; }
    .left-heading { text-align: center; }
    .fields-grid { grid-template-columns: 1fr; }
    .online-card,
    .contact-card,
    .insight-card {
        padding: 28px 22px;
        border-radius: 28px;
    }
    .online-card h2,
    .contact-content h2,
    .insight-title h2 {
        font-size: 31px;
    }
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
    .fixed-call {
        right: 16px;
        bottom: 16px;
        padding: 12px 16px;
        font-size: 14px;
    }
}

/* ARTICLES / YAZI KÖŞESİ */

.articles-section {
    background:
        radial-gradient(circle at 90% 12%, rgba(233, 221, 240, 0.72), transparent 26%),
        radial-gradient(circle at 8% 88%, rgba(221, 234, 227, 0.72), transparent 26%),
        var(--soft-cream);
    padding-top: 88px;
}

.articles-heading {
    margin-bottom: 38px;
}

.article-layout {
    display: grid;
    grid-template-columns: 0.42fr 1fr;
    gap: 28px;
    align-items: start;
}

.article-sidebar {
    position: sticky;
    top: 112px;
    background: linear-gradient(135deg, var(--deep-sage), #6E8C7E);
    color: #FFFFFF;
    border-radius: 32px;
    padding: 32px;
    box-shadow: var(--shadow);
    border: 1px solid rgba(255, 255, 255, 0.14);
}

.article-sidebar span {
    display: inline-block;
    color: rgba(255, 255, 255, 0.76);
    font-size: 12px;
    font-weight: 900;
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 14px;
}

.article-sidebar h3 {
    font-size: 27px;
    line-height: 1.18;
    margin-bottom: 14px;
    color: #FFFFFF;
}

.article-sidebar p {
    color: rgba(255, 255, 255, 0.80);
    font-size: 15px;
    margin-bottom: 22px;
}

.article-sidebar a {
    display: inline-block;
    background: #FFFFFF;
    color: #243A34;
    padding: 12px 18px;
    border-radius: 999px;
    font-weight: 900;
    transition: 0.3s ease;
}

.article-sidebar a:hover {
    transform: translateY(-2px);
    background: var(--mint);
}

.article-card {
    background: rgba(255, 255, 255, 0.88);
    border: var(--border);
    border-radius: 34px;
    padding: 42px;
    box-shadow: var(--shadow);
}

.article-meta {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 18px;
}

.article-meta span {
    display: inline-block;
    background: var(--mint);
    color: var(--deep-sage);
    padding: 7px 12px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 0.7px;
}

.article-card h2 {
    font-size: 40px;
    line-height: 1.12;
    letter-spacing: -1px;
    color: var(--charcoal);
    margin-bottom: 22px;
}

.article-card h3 {
    font-size: 25px;
    line-height: 1.22;
    color: var(--charcoal);
    margin-bottom: 12px;
}

.article-card p {
    color: var(--gray);
    font-size: 17px;
    line-height: 1.78;
    margin-bottom: 16px;
}

.article-block {
    margin-top: 30px;
    padding-top: 26px;
    border-top: 1px solid rgba(71, 106, 93, 0.14);
}

.article-card ul {
    list-style: none;
    display: grid;
    gap: 10px;
    margin: 14px 0 18px;
    padding: 0;
}

.article-card li {
    position: relative;
    color: var(--gray);
    font-size: 16px;
    line-height: 1.62;
    padding-left: 26px;
}

.article-card li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 10px;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--deep-sage);
}

body.dark-mode .articles-section {
    background:
        radial-gradient(circle at 90% 12%, rgba(90, 65, 98, 0.24), transparent 26%),
        radial-gradient(circle at 8% 88%, rgba(71, 106, 93, 0.28), transparent 26%),
        var(--soft-cream);
}

body.dark-mode .article-card {
    background: rgba(255, 255, 255, 0.055);
    border: 1px solid rgba(168, 200, 185, 0.16);
}

body.dark-mode .article-sidebar {
    background: linear-gradient(135deg, #35584D, #243A34);
    border: 1px solid rgba(168, 200, 185, 0.20);
}

body.dark-mode .article-meta span {
    background: rgba(168, 200, 185, 0.14);
    color: #BFE1D1;
}

body.dark-mode .article-block {
    border-top: 1px solid rgba(168, 200, 185, 0.14);
}

body.dark-mode .article-card li::before {
    background: #A8C8B9;
}

@media (max-width: 1080px) {
    .article-layout {
        grid-template-columns: 1fr;
    }

    .article-sidebar {
        position: static;
    }
}

@media (max-width: 640px) {
    .articles-section {
        padding-top: 70px;
    }

    .article-card,
    .article-sidebar {
        padding: 26px 22px;
        border-radius: 28px;
    }

    .article-card h2 {
        font-size: 30px;
    }

    .article-card h3 {
        font-size: 22px;
    }

    .article-card p,
    .article-card li {
        font-size: 15px;
    }
}