:root {
    scroll-behavior: smooth;
    --nav-height: 4.5rem;
}

html {
    height: 100%;
    overflow-x: hidden;
}

body {
    height: 100%;
}

body {
    font-family: "Inter", "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
    transition: background-color 0.3s ease, color 0.3s ease;
    overflow-x: hidden;
}

main {
    scroll-snap-type: y proximity;
    scroll-padding-top: calc(var(--nav-height) + 1rem);
}

.page-section {
    min-height: 100vh;
    padding-block: clamp(3.5rem, 8vh, 5.5rem);
    display: flex;
    align-items: center;
}

.page-section > .container {
    width: 100%;
}

body.light-mode {
    --bg-body: #f7f9f7;
    --bg-card: #ffffff;
    --text-primary: #1f2a2a;
    --text-secondary: #4b5b5b;
    --accent: #2f6c6d;
    --accent-soft: #d1ebe6;
    --bg-secondary: #ecf4f1;
    --border-soft: rgba(47, 108, 109, 0.18);
    --focus-glow: rgba(47, 108, 109, 0.25);
    --badge-bg: #f5fbf8;
    --badge-text: #1f2a2a;
    --placeholder-color: rgba(75, 91, 91, 0.7);
    --toggler-icon: url("data:image/svg+xml,%3csvg%20xmlns='http://www.w3.org/2000/svg'%20viewBox='0%200%2030%2030'%20fill='none'%20stroke='%231f2a2a'%20stroke-width='2'%20stroke-linecap='round'%3e%3cpath%20d='M4%207h22M4%2015h22M4%2023h22'/%3e%3c/svg%3e");
    --accordion-icon: url("data:image/svg+xml,%3csvg%20xmlns='http://www.w3.org/2000/svg'%20viewBox='0%200%2016%2016'%20fill='none'%20stroke='%231f2a2a'%20stroke-width='2'%20stroke-linecap='round'%20stroke-linejoin='round'%3e%3cpath%20d='M4%206l4%204%204-4'/%3e%3c/svg%3e");
    --accordion-icon-active: url("data:image/svg+xml,%3csvg%20xmlns='http://www.w3.org/2000/svg'%20viewBox='0%200%2016%2016'%20fill='none'%20stroke='%232f6c6d'%20stroke-width='2'%20stroke-linecap='round'%20stroke-linejoin='round'%3e%3cpath%20d='M4%206l4%204%204-4'/%3e%3c/svg%3e");
}

body.dark-mode {
    --bg-body: #0f1a1a;
    --bg-card: #1c2a2a;
    --text-primary: #f3fdfc;
    --text-secondary: #d6ece8;
    --accent: #7bd3c3;
    --accent-soft: #1f3a3a;
    --bg-secondary: #172525;
    --border-soft: rgba(123, 211, 195, 0.75);
    --focus-glow: rgba(123, 211, 195, 0.35);
    --badge-bg: rgba(255, 255, 255, 0.14);
    --badge-text: #fefefe;
    --placeholder-color: rgba(243, 253, 252, 0.75);
    --toggler-icon: url("data:image/svg+xml,%3csvg%20xmlns='http://www.w3.org/2000/svg'%20viewBox='0%200%2030%2030'%20fill='none'%20stroke='%23f3fdfc'%20stroke-width='2'%20stroke-linecap='round'%3e%3cpath%20d='M4%207h22M4%2015h22M4%2023h22'/%3e%3c/svg%3e");
    --accordion-icon: url("data:image/svg+xml,%3csvg%20xmlns='http://www.w3.org/2000/svg'%20viewBox='0%200%2016%2016'%20fill='none'%20stroke='%23f3fdfc'%20stroke-width='2'%20stroke-linecap='round'%20stroke-linejoin='round'%3e%3cpath%20d='M4%206l4%204%204-4'/%3e%3c/svg%3e");
    --accordion-icon-active: url("data:image/svg+xml,%3csvg%20xmlns='http://www.w3.org/2000/svg'%20viewBox='0%200%2016%2016'%20fill='none'%20stroke='%237bd3c3'%20stroke-width='2'%20stroke-linecap='round'%20stroke-linejoin='round'%3e%3cpath%20d='M4%206l4%204%204-4'/%3e%3c/svg%3e");
}

body {
    background-color: var(--bg-body);
    color: var(--text-primary);
}

a,
a:visited {
    color: var(--accent);
    text-decoration-color: rgba(0, 0, 0, 0);
    transition: color 0.2s ease, text-decoration-color 0.2s ease;
}

a:hover,
a:focus-visible {
    color: var(--text-primary);
    text-decoration-color: var(--accent);
}

.bg-body-tertiary {
    background-color: var(--bg-card) !important;
}

.bg-body-secondary {
    background-color: var(--bg-secondary) !important;
}

.hero-section {
    background: radial-gradient(circle at top left, rgba(127, 199, 175, 0.25), transparent 55%),
        linear-gradient(145deg, rgba(47, 108, 109, 0.15), transparent 70%);
}

.section-padding {
    padding: 4rem 0;
}

.section-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
}

.contact-intro {
    font-size: clamp(1.5rem, 2vw + 1rem, 2.3rem);
    line-height: 1.35;
    text-wrap: balance;
    word-break: break-word;
}

.text-muted,
.text-muted a {
    color: var(--text-secondary) !important;
}

.eyebrow {
    text-transform: uppercase;
    letter-spacing: 0.2em;
    font-size: 0.85rem;
    color: var(--accent);
    font-weight: 600;
}

.hero-photo {
    background: var(--bg-card);
    padding: 1rem;
    border-radius: 2rem;
}

.text-accent {
    color: var(--accent) !important;
}

.service-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-soft);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.service-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 40px rgba(18, 66, 66, 0.15);
}

.service-card ul {
    padding-left: 1.2rem;
    color: var(--text-secondary);
}

.icon-wrap {
    width: 3rem;
    height: 3rem;
    border-radius: 999px;
    background-color: var(--accent-soft);
    color: var(--accent);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
}

.timeline {
    border-left: 2px solid var(--accent);
    margin-top: 1.5rem;
    padding-left: 1.5rem;
}

.timeline-step {
    position: relative;
    margin-bottom: 1.5rem;
}

.timeline-step:last-child {
    margin-bottom: 0;
}

.timeline-step .step-number {
    position: absolute;
    left: -2.25rem;
    top: 0;
    width: 1.75rem;
    height: 1.75rem;
    border-radius: 50%;
    background-color: var(--accent);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
}

.contact-links li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
    font-size: 1.1rem;
}

.contact-links i {
    color: var(--accent);
    font-size: 1.3rem;
}

.hero-highlights li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.35rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.hero-highlights i {
    color: var(--accent);
    font-size: 1.2rem;
}

.fixed-cta {
    position: fixed;
    left: 50%;
    bottom: 1.25rem;
    transform: translateX(-50%);
    box-shadow: 0 20px 40px rgba(19, 52, 52, 0.3);
    z-index: 1050;
}

.form-status {
    transition: opacity 0.3s ease;
}

.about-card {
    background-color: var(--bg-card);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.about-card .profile-wrap {
    width: clamp(240px, 68%, 360px);
    aspect-ratio: 1118 / 1600;
    border-radius: 48% / 38%;
    overflow: hidden;
    background-color: var(--bg-card);
    box-shadow: inset 0 0 0 2px var(--border-soft);
}

.about-card .profile-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

footer {
    color: var(--text-secondary);
}

.footer-brand-link {
    color: var(--accent);
    font-weight: 600;
    text-decoration: underline;
    text-decoration-color: rgba(123, 211, 195, 0.45);
    text-underline-offset: 0.15em;
}

.footer-brand-link:hover,
.footer-brand-link:focus-visible {
    color: var(--text-primary);
    text-decoration-color: currentColor;
}

.navbar, .card, .accordion-item {
    background-color: var(--bg-card) !important;
}

.card,
.accordion-item,
.navbar,
.service-card {
    border-color: var(--border-soft) !important;
}

.accordion-button,
.accordion-button:not(.collapsed) {
    background-color: var(--bg-card);
    color: var(--text-primary);
    box-shadow: none;
    font-weight: 600;
}

.accordion-button:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 0.2rem var(--focus-glow);
}

.accordion-button::after {
    flex-shrink: 0;
    width: 1rem;
    height: 1rem;
    background-image: var(--accordion-icon);
    background-size: contain;
    background-repeat: no-repeat;
    transition: transform 0.25s ease, background-image 0.25s ease;
    transform: rotate(0deg);
    opacity: 0.95;
}

.accordion-button:not(.collapsed)::after {
    transform: rotate(180deg);
    background-image: var(--accordion-icon-active);
}

.navbar .nav-link {
    color: var(--text-primary);
}

.navbar .nav-link:hover, .navbar .nav-link:focus {
    color: var(--accent);
}

.navbar-toggler {
    border-color: var(--text-primary);
    color: var(--text-primary);
}

.navbar-toggler:focus {
    box-shadow: 0 0 0 0.2rem var(--focus-glow);
}

.navbar-toggler-icon {
    background-image: var(--toggler-icon);
}

.navbar-brand {
    color: var(--text-primary);
}

.navbar-brand:hover {
    color: var(--accent);
}

.navbar-brand .brand-logo {
    max-height: 42px;
    width: auto;
    border-radius: 50%;
    filter: drop-shadow(0 2px 6px rgba(0,0,0,0.1));
}

.brand-text {
    color: var(--text-primary);
    font-weight: 600;
    letter-spacing: 0.02em;
}

.btn-primary {
    background-color: var(--accent);
    border-color: var(--accent);
}


.btn-outline-light {
    color: var(--accent);
    border-color: var(--border-soft);
    background: transparent;
}

.btn-outline-primary {
    color: var(--accent);
    border-color: var(--accent);
}

.btn-outline-primary:hover,
.btn-outline-light:hover {
    background-color: var(--accent);
    color: #fff;
}

.btn-primary:focus-visible,
.btn-outline-primary:focus-visible,
.btn-outline-light:focus-visible {
    box-shadow: 0 0 0 0.2rem var(--focus-glow);
}

.form-control,
.form-select,
.form-control:focus {
    background-color: var(--bg-card);
    color: var(--text-primary);
    border-color: var(--border-soft);
    border-width: 1.5px;
    transition: border-color 0.2s ease, background-color 0.2s ease, box-shadow 0.2s ease;
}

.form-control:focus {
    box-shadow: 0 0 0 0.2rem var(--focus-glow);
}

body.dark-mode .form-control,
body.dark-mode .form-select,
body.dark-mode textarea {
    background-color: #152525;
    border-color: rgba(123, 211, 195, 0.95);
}

body.dark-mode .form-control:focus,
body.dark-mode .form-select:focus,
body.dark-mode textarea:focus {
    box-shadow: 0 0 0 0.2rem rgba(123, 211, 195, 0.45);
}

.contact-card {
    transition: background 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

body.dark-mode .contact-card {
    background: radial-gradient(circle at top right, rgba(123, 211, 195, 0.18), transparent 55%),
        linear-gradient(145deg, #0e201f, #142726 65%);
    border: 1px solid rgba(123, 211, 195, 0.4) !important;
    box-shadow: 0 30px 50px rgba(0, 0, 0, 0.55);
}

body.dark-mode .contact-card .card-body,
body.dark-mode .contact-card h4 {
    color: var(--text-primary);
}

body.dark-mode .contact-card .form-label,
body.dark-mode .contact-card .invalid-feedback,
body.dark-mode .contact-links a,
body.dark-mode .contact-links i {
    color: rgba(243, 253, 252, 0.95) !important;
}

body.dark-mode .contact-card .form-control,
body.dark-mode .contact-card textarea {
    background-color: #091514;
    border-color: rgba(123, 211, 195, 0.85);
    color: var(--text-primary);
}

body.dark-mode .contact-card .form-control:focus,
body.dark-mode .contact-card textarea:focus {
    border-color: #9df4e1;
    box-shadow: 0 0 0 0.25rem rgba(123, 211, 195, 0.35);
}

body.dark-mode .btn-primary {
    background-color: #7bd3c3;
    border-color: #7bd3c3;
    color: #062120;
    box-shadow: 0 12px 25px rgba(123, 211, 195, 0.35);
}

body.dark-mode .btn-primary:hover,
body.dark-mode .btn-primary:focus-visible {
    background-color: #94e3d6;
    border-color: #94e3d6;
    color: #041312;
}

.badge.text-bg-light {
    background-color: var(--badge-bg) !important;
    color: var(--badge-text) !important;
    border: 1px solid var(--border-soft);
    letter-spacing: 0.05em;
}
.form-label {
    color: var(--text-primary);
}

.form-control,
.form-select {
    color: var(--text-primary);
}

.form-control::placeholder,
textarea::placeholder {
    color: var(--placeholder-color);
    opacity: 1;
}

.accordion-body {
    color: var(--text-primary);
}

.navbar .nav-link.active,
.navbar .nav-link.show {
    color: var(--accent);
    font-weight: 600;
}

.navbar .nav-link:focus-visible {
    color: var(--accent);
    outline: none;
    text-decoration: underline;
}

.theme-toggle {
    margin-bottom: 0;
    padding-left: 0;
    background: transparent;
    border: none;
}

.theme-toggle .form-check-input {
    float: none;
    margin-left: 0;
    width: 3rem;
    height: 1.5rem;
    cursor: pointer;
}

.theme-toggle .form-check-input:focus {
    box-shadow: 0 0 0 0.15rem var(--focus-glow);
}

.theme-toggle i {
    color: var(--accent);
    font-size: 1.1rem;
}

.card,
.card .card-body,
.card h4,
.card p,
.card label,
.card .form-label {
    color: var(--text-primary);
    background-color: var(--bg-card);
}
@media (min-width: 992px) {
    .hero-section {
        padding: 5rem 0 6rem;
    }
}

@media (max-width: 991.98px) {
    .page-section {
        min-height: auto;
        display: block;
        padding-block: 3.5rem;
    }

    main {
        scroll-snap-type: none;
    }
}

@media (max-width: 767.98px) {
    body {
        padding-bottom: 6rem;
    }

    footer {
        padding-bottom: 4rem;
    }

    .fixed-cta {
        bottom: 1.75rem;
    }
}

@media (max-width: 575.98px) {
    .timeline {
        border-left: none;
        padding-left: 0;
    }

    .timeline-step {
        padding-left: 0;
        margin-left: 0;
    }

    .timeline-step .step-number {
        position: static;
        margin-bottom: 0.5rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    main {
        scroll-snap-type: none;
    }
}