@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

/* ==============================================
   THEME TOKENS — Graphite + Teal
   Light theme = default (data-bs-theme="light")
   Dark theme  = data-bs-theme="dark"
   ============================================== */
:root,
[data-bs-theme="light"] {
    --tec-accent: #1f7a70;
    --tec-accent-hover: #175a53;
    --tec-accent-rgb: 31, 122, 112;
    --tec-bg: #ffffff;
    --tec-bg-alt: #f4f6f7;
    --tec-surface: #ffffff;
    --tec-border: #e2e5e7;
    --tec-text: #1b1e21;
    --tec-text-muted: #565d61;
    --tec-navbar-bg: rgba(255, 255, 255, 0.9);
    --tec-hero-overlay: linear-gradient(135deg, rgba(27, 30, 33, 0.88) 0%, rgba(20, 30, 30, 0.94) 100%);
    --tec-footer-bg: #14181b;
    --tec-footer-text: rgba(255, 255, 255, 0.6);
    --tec-shadow: 0 15px 35px rgba(20, 26, 26, 0.08);

    --bs-body-bg: var(--tec-bg);
    --bs-body-color: var(--tec-text);
    --bs-primary: var(--tec-accent);
    --bs-primary-rgb: var(--tec-accent-rgb);
    --bs-border-color: var(--tec-border);
    --bs-secondary-color: var(--tec-text-muted);
    --bs-font-sans-serif: 'Inter', system-ui, -apple-system, sans-serif;
}

[data-bs-theme="dark"] {
    --tec-accent: #3fb6a8;
    --tec-accent-hover: #59c9bc;
    --tec-accent-rgb: 63, 182, 168;
    --tec-bg: #16191c;
    --tec-bg-alt: #1c2023;
    --tec-surface: #1e2225;
    --tec-border: #2c3134;
    --tec-text: #e7e9ea;
    --tec-text-muted: #a2a9ad;
    --tec-navbar-bg: rgba(22, 25, 28, 0.9);
    --tec-hero-overlay: linear-gradient(135deg, rgba(10, 12, 13, 0.92) 0%, rgba(8, 16, 15, 0.96) 100%);
    --tec-footer-bg: #0d0f11;
    --tec-footer-text: rgba(255, 255, 255, 0.5);
    --tec-shadow: 0 15px 35px rgba(0, 0, 0, 0.4);

    --bs-body-bg: var(--tec-bg);
    --bs-body-color: var(--tec-text);
    --bs-primary: var(--tec-accent);
    --bs-primary-rgb: var(--tec-accent-rgb);
    --bs-border-color: var(--tec-border);
    --bs-secondary-color: var(--tec-text-muted);
}

* {
    scrollbar-width: thin;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--bs-font-sans-serif);
    background-color: var(--tec-bg);
    color: var(--tec-text);
    -webkit-font-smoothing: antialiased;
    transition: background-color 0.25s ease, color 0.25s ease;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    letter-spacing: -0.02em;
    color: var(--tec-text);
}

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

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

.eyebrow {
    text-transform: uppercase;
    letter-spacing: 0.14em;
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--tec-accent);
}

.max-w-700 {
    max-width: 700px;
}

.max-w-820 {
    max-width: 820px;
}

/* Sections */
.tec-section {
    padding: 6rem 0;
}

.tec-section-alt {
    background-color: var(--tec-bg-alt);
}

/* Navbar */
.navbar {
    background-color: var(--tec-navbar-bg) !important;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid transparent;
    transition: all 0.3s ease;
    padding-top: 1.1rem;
    padding-bottom: 1.1rem;
}

.navbar.scrolled {
    padding-top: 0.6rem;
    padding-bottom: 0.6rem;
    border-bottom-color: var(--tec-border);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
}

.navbar-brand span {
    letter-spacing: 0.06em;
    color: var(--tec-text);
}

.nav-link {
    color: var(--tec-text) !important;
    position: relative;
    padding: 0.5rem 1rem !important;
    font-size: 0.94rem;
}

.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: 0;
    left: 50%;
    background-color: var(--tec-accent);
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 70%;
}

/* Theme toggle button */
.theme-toggle {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    border: 1px solid var(--tec-border);
    background-color: var(--tec-surface);
    color: var(--tec-text);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: all 0.25s ease;
    cursor: pointer;
}

.theme-toggle:hover {
    border-color: var(--tec-accent);
    color: var(--tec-accent);
    transform: translateY(-1px);
}

.theme-toggle .fa-sun {
    display: none;
}

[data-bs-theme="dark"] .theme-toggle .fa-sun {
    display: inline-block;
}

[data-bs-theme="dark"] .theme-toggle .fa-moon {
    display: none;
}

/* Buttons */
.btn-primary {
    background-color: var(--tec-accent);
    border-color: var(--tec-accent);
    color: #ffffff;
    transition: all 0.25s ease;
}

.btn-primary:hover,
.btn-primary:focus {
    background-color: var(--tec-accent-hover);
    border-color: var(--tec-accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(var(--tec-accent-rgb), 0.3);
    color: #ffffff;
}

.btn-outline-light {
    border-color: rgba(255, 255, 255, 0.5);
    color: #ffffff;
}

.btn-outline-light:hover {
    background-color: #ffffff;
    color: var(--tec-text);
    transform: translateY(-2px);
}

.btn-outline-accent {
    border: 1px solid var(--tec-accent);
    color: var(--tec-accent);
    background: transparent;
}

.btn-outline-accent:hover {
    background-color: var(--tec-accent);
    color: #ffffff;
    transform: translateY(-2px);
}

/* Hero Section */
.hero-section {
    min-height: 100vh;
    background: url('../images/hero-bg.jpg') no-repeat center center;
    background-size: cover;
    position: relative;
    padding-top: 80px;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--tec-hero-overlay);
    z-index: 1;
}

.hero-stats {
    border-top: 1px solid rgba(255, 255, 255, 0.15);
    padding-top: 2.5rem;
    margin-top: 3rem;
}

.hero-stats .stat-number {
    font-size: 2.2rem;
    font-weight: 800;
    color: #ffffff;
}

.hero-stats .stat-label {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.65);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

/* Cards / Surfaces */
.tec-card {
    background-color: var(--tec-surface);
    border: 1px solid var(--tec-border);
    border-radius: 10px;
    transition: all 0.35s ease;
}

/* Service Cards */
.service-card {
    background-color: var(--tec-surface);
    border: 1px solid var(--tec-border);
    border-radius: 10px;
    transition: all 0.35s ease;
    position: relative;
    overflow: hidden;
    height: 100%;
}

.service-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 3px;
    background-color: var(--tec-accent);
    transition: width 0.3s ease;
}

.service-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--tec-shadow);
    border-color: var(--tec-accent);
}

.service-card:hover::after {
    width: 100%;
}

.service-icon {
    width: 52px;
    height: 52px;
    border-radius: 10px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(var(--tec-accent-rgb), 0.1);
    color: var(--tec-accent);
    font-size: 1.25rem;
    transition: all 0.3s ease;
}

.service-card:hover .service-icon {
    background-color: var(--tec-accent);
    color: #ffffff;
    transform: scale(1.06);
}

.card-title {
    color: var(--tec-text);
}

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

/* Badges */
.badge-outline-accent {
    background-color: rgba(var(--tec-accent-rgb), 0.08);
    color: var(--tec-accent);
    border: 1px solid rgba(var(--tec-accent-rgb), 0.35);
    padding: 0.55rem 1rem;
    font-weight: 600;
    font-size: 0.92rem;
}

/* Checklist */
.tec-check-item i {
    color: var(--tec-accent);
}

/* CTA band */
.cta-band {
    background-color: var(--tec-text);
    color: #ffffff;
}

[data-bs-theme="dark"] .cta-band {
    background-color: var(--tec-surface);
    border-top: 1px solid var(--tec-border);
    border-bottom: 1px solid var(--tec-border);
}

/* Client Logos */
.client-logos > img {
    transition: all 0.3s ease;
    cursor: default;
    filter: grayscale(100%);
    opacity: 0.7;
}

[data-bs-theme="dark"] .client-logos > img {
    filter: grayscale(100%) invert(0.85);
    opacity: 0.6;
}

.client-logos > img:hover {
    filter: grayscale(0%);
    opacity: 1;
    transform: translateY(-2px);
}

[data-bs-theme="dark"] .client-logos > img:hover {
    filter: grayscale(0%) invert(0);
}

.client-logos:hover > img:not(:hover) {
    opacity: 0.3;
}

/* Profile image */
.profile-img-container {
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--tec-shadow);
    position: relative;
}

.profile-img-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to right, rgba(var(--tec-accent-rgb), 0.18), transparent);
    z-index: 1;
    pointer-events: none;
}

/* Contact section */
.contact-panel {
    background-color: var(--tec-text);
    color: #ffffff;
}

[data-bs-theme="dark"] .contact-panel {
    background-color: var(--tec-surface);
    border: 1px solid var(--tec-border);
}

.contact-icon-circle {
    background-color: rgba(255, 255, 255, 0.1);
    width: 44px;
    height: 44px;
    flex-shrink: 0;
}

.form-control,
.form-select {
    background-color: var(--tec-bg-alt);
    border: 1px solid var(--tec-border);
    color: var(--tec-text);
}

.form-control:focus,
.form-select:focus {
    background-color: var(--tec-bg-alt);
    color: var(--tec-text);
    border-color: var(--tec-accent);
    box-shadow: 0 0 0 0.2rem rgba(var(--tec-accent-rgb), 0.15);
}

.form-label {
    color: var(--tec-text);
}

/* Footer */
.tec-footer {
    background-color: var(--tec-footer-bg) !important;
    color: var(--tec-footer-text);
}

.tec-footer a {
    color: var(--tec-accent);
}

/* Divider */
.tec-divider {
    width: 56px;
    height: 3px;
    background-color: var(--tec-accent);
    border-radius: 2px;
}