/* ==========================================================================
   IoTC EV Landing Pages — Brand Theme
   Dark modern design with cyan (#35979c) accents
   ========================================================================== */

:root {
    --ais-bg-dark: #2b3035;
    --ais-bg-dark-alt: #383E45;
    --ais-primary: #29B6F6;
    --ais-primary-hover: #1E99D6;
    --ais-text-primary: #ffffff;
    --ais-text-secondary: #9ca3ab;
    --ais-text-body: #c9d1d9;
    --ais-border: #4a5158;
    --ais-navbar-bg: #2b3035;
    --ais-navbar-text: #c9d1d9;
    --ais-footer-bg: #383E45;
}

/* ---------- BASE ---------- */

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--ais-bg-dark);
    color: var(--ais-text-primary);
}

.ais-landing {
    background-color: var(--ais-bg-dark);
    color: var(--ais-text-primary);
}

/* ---------- CUSTOM NAVBAR ---------- */

.ais-nav {
    background-color: var(--ais-navbar-bg);
    border-bottom: 1px solid var(--ais-border);
    padding: 12px 0;
    position: sticky;
    top: 0;
    z-index: 1030;
}

.ais-nav-brand img {
    height: 36px;
    mix-blend-mode: lighten;
}

.ais-nav-links {
    display: flex;
    align-items: center;
    gap: 24px;
}

.ais-nav-links a {
    color: var(--ais-navbar-text);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    transition: color 0.2s;
}

.ais-nav-links a:hover {
    color: var(--ais-primary);
    text-decoration: none;
}

/* ---------- HEADING RESETS ---------- */

.ais-landing h1,
.ais-landing h2,
.ais-landing h3,
.ais-landing h4,
.ais-landing h5 {
    color: var(--ais-text-primary);
    margin-top: 0;
}

/* ---------- HERO ---------- */

.ais-hero {
    background: linear-gradient(135deg, var(--ais-bg-dark) 0%, #2f3a42 50%, var(--ais-bg-dark) 100%);
    padding: 100px 0 80px;
    text-align: left;
    position: relative;
}

.ais-hero-img-col {
    display: flex;
    align-items: center;
    justify-content: center;
}

.ais-hero-img-col .ais-img {
    max-height: 500px;
    object-fit: cover;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.4);
}

.ais-hero::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--ais-primary);
}

.ais-hero-badge {
    color: var(--ais-primary);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 3px;
    text-transform: uppercase;
    margin-bottom: 12px;
}

.ais-hero-badge::before {
    content: '';
    display: inline-block;
    width: 40px;
    height: 3px;
    background: var(--ais-primary);
    vertical-align: middle;
    margin-right: 12px;
}

.ais-hero-title {
    font-size: 4rem;
    font-weight: 900;
    color: var(--ais-text-primary);
    margin-bottom: 4px;
    line-height: 1.1;
}

.ais-hero-subtitle {
    font-size: 1.1rem;
    color: var(--ais-text-secondary);
    margin-bottom: 30px;
}

.ais-hero-headline {
    font-size: 2.2rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 20px;
}

.ais-hero-headline span {
    margin-right: 12px;
}

.ais-hero-bullets {
    list-style: none;
    padding: 0;
    margin-bottom: 30px;
}

.ais-hero-bullets li {
    color: var(--ais-text-body);
    font-size: 1rem;
    margin-bottom: 8px;
    padding-left: 20px;
    position: relative;
}

.ais-hero-bullets li::before {
    content: '\2022';
    color: var(--ais-primary);
    font-size: 1.4rem;
    position: absolute;
    left: 0;
    top: -2px;
}

/* ---------- TEXT UTILITIES ---------- */

.ais-text-white {
    color: var(--ais-text-primary) !important;
}

.ais-text-cyan {
    color: var(--ais-primary) !important;
}

.ais-text-body {
    color: var(--ais-text-body);
    font-size: 1rem;
    line-height: 1.7;
}

/* ---------- BUTTONS ---------- */

.ais-btn-primary {
    display: inline-block;
    background-color: var(--ais-primary);
    color: #ffffff !important;
    font-weight: 700;
    font-size: 1rem;
    padding: 14px 36px;
    border-radius: 50px;
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: background-color 0.2s, transform 0.2s, box-shadow 0.2s;
    border: none;
}

.ais-btn-primary:hover {
    background-color: var(--ais-primary-hover);
    color: #ffffff !important;
    text-decoration: none;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(53, 151, 156, 0.3);
}

.ais-btn-lg {
    padding: 18px 48px;
    font-size: 1.1rem;
}

/* ---------- SECTIONS ---------- */

.ais-section {
    padding: 80px 0;
}

.ais-bg-dark {
    background-color: var(--ais-bg-dark);
}

.ais-bg-dark-alt {
    background-color: var(--ais-bg-dark-alt);
}

.ais-landing .ais-section-label {
    color: var(--ais-primary);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 3px;
    text-transform: uppercase;
    margin-bottom: 12px;
}

.ais-section-label::before {
    content: '';
    display: inline-block;
    width: 40px;
    height: 3px;
    background: var(--ais-primary);
    vertical-align: middle;
    margin-right: 12px;
}

.ais-landing .ais-section-title {
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--ais-text-primary);
    margin-bottom: 16px;
    line-height: 1.2;
}

/* ---------- STAT CARDS ---------- */

.ais-stats-row {
    margin-top: 20px;
}

.ais-stat-card {
    text-align: center;
    padding: 30px 20px;
}

.ais-stat-region {
    color: var(--ais-primary);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 8px;
}

.ais-stat-number {
    font-size: 3.5rem;
    font-weight: 900;
    color: var(--ais-primary);
    line-height: 1;
    margin-bottom: 8px;
}

.ais-stat-label {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--ais-text-primary);
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 4px;
}

.ais-stat-detail {
    font-size: 0.85rem;
    color: var(--ais-text-secondary);
}

/* ---------- FEATURE CARDS ---------- */

.ais-feature-card {
    background-color: var(--ais-bg-dark);
    border: 1px solid var(--ais-border);
    border-radius: 8px;
    padding: 30px 24px;
    margin-bottom: 20px;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.ais-feature-card:hover {
    border-color: var(--ais-primary);
    box-shadow: 0 4px 16px rgba(53, 151, 156, 0.15);
}

.ais-landing .ais-feature-card h4 {
    color: var(--ais-text-primary);
    font-weight: 700;
    font-size: 1.1rem;
    margin-bottom: 8px;
}

.ais-feature-card p {
    color: var(--ais-text-secondary);
    font-size: 0.9rem;
    margin-bottom: 0;
}

.ais-feature-icon {
    font-size: 1.8rem;
    margin-bottom: 12px;
    color: var(--ais-primary);
}

/* ---------- HIGHLIGHT CARDS ---------- */

.ais-highlight-card {
    padding: 24px;
    margin-bottom: 16px;
    border-left: 3px solid var(--ais-primary);
    background-color: var(--ais-bg-dark-alt);
}

.ais-landing .ais-highlight-card h4 {
    color: var(--ais-text-primary);
    font-weight: 700;
    font-size: 1.05rem;
    margin-bottom: 6px;
}

.ais-highlight-card p {
    color: var(--ais-text-secondary);
    font-size: 0.9rem;
    margin-bottom: 0;
}

/* ---------- PARTNER / WORKS BLOCKS ---------- */

.ais-partner-block {
    padding: 50px 0;
    border-bottom: 1px solid var(--ais-border);
}

.ais-partner-block:last-child {
    border-bottom: none;
}

.ais-landing .ais-block-label {
    color: var(--ais-primary);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 8px;
}

.ais-landing .ais-block-title {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--ais-text-primary);
    margin-bottom: 16px;
    line-height: 1.2;
}

/* ---------- CHECK LIST ---------- */

.ais-check-list {
    list-style: none;
    padding: 0;
}

.ais-check-list li {
    color: var(--ais-text-body);
    font-size: 0.95rem;
    padding: 8px 0 8px 24px;
    position: relative;
    line-height: 1.5;
}

.ais-check-list li::before {
    content: '\2022';
    color: var(--ais-primary);
    font-size: 1.3rem;
    position: absolute;
    left: 0;
    top: 6px;
}

/* ---------- HERO LOGO ---------- */

.ais-hero-title-row {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 24px;
    margin-bottom: 16px;
}

.ais-hero-logo {
    height: 160px;
    mix-blend-mode: lighten;
}

/* ---------- IMAGES ---------- */

.ais-img {
    width: 100%;
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.ais-img-phone {
    max-width: 300px;
    width: 100%;
    margin: 0 auto;
    display: block;
}

/* ---------- SECONDARY LINK ---------- */

.ais-link-secondary {
    display: inline-block;
    color: var(--ais-text-secondary) !important;
    font-size: 0.9rem;
    text-decoration: none;
    margin-left: 20px;
    transition: color 0.2s;
}

.ais-link-secondary:hover {
    color: var(--ais-primary) !important;
    text-decoration: none;
}

/* ---------- CROSS LINKS ---------- */

a.ais-text-cyan {
    text-decoration: none;
    border-bottom: 1px dashed var(--ais-primary);
    transition: border-color 0.2s;
}

a.ais-text-cyan:hover {
    color: var(--ais-primary-hover) !important;
    border-bottom-style: solid;
    text-decoration: none;
}

/* ---------- FEATURE ICONS (SVG) ---------- */

.ais-feature-icon svg {
    width: 32px;
    height: 32px;
    fill: none;
    stroke: var(--ais-primary);
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}

/* ---------- CTA SECTION ---------- */

.ais-cta-footer {
    background: var(--ais-bg-dark);
    border-top: 4px solid var(--ais-primary);
}

.ais-cta-subtitle {
    font-size: 1.3rem;
    color: var(--ais-text-body);
    margin-bottom: 30px;
}

.ais-contact-row {
    margin-bottom: 20px;
}

.ais-contact-label {
    color: var(--ais-text-secondary);
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 6px;
}

.ais-contact-value {
    color: var(--ais-text-primary) !important;
    font-size: 1.4rem;
    font-weight: 700;
    text-decoration: none;
}

.ais-contact-value:hover {
    color: var(--ais-primary) !important;
    text-decoration: none;
}

.ais-contact-email {
    color: var(--ais-text-primary) !important;
    font-size: 0.9rem;
    text-decoration: none;
}

.ais-contact-email:hover {
    color: var(--ais-primary) !important;
}

/* ---------- SITE FOOTER ---------- */

.ais-footer {
    background-color: var(--ais-footer-bg);
    padding: 40px 0 16px;
    color: var(--ais-text-body);
}

.ais-landing .ais-footer h5 {
    color: var(--ais-text-primary);
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 16px;
}

.ais-footer ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.ais-footer ul li {
    margin-bottom: 8px;
}

.ais-footer ul li a {
    color: var(--ais-text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.2s;
}

.ais-footer ul li a:hover {
    color: var(--ais-primary);
}

.ais-footer p {
    color: var(--ais-text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
}

.ais-footer .ais-footer-social a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background-color: var(--ais-bg-dark);
    color: var(--ais-text-secondary);
    text-decoration: none;
    margin-right: 8px;
    font-size: 0.9rem;
    transition: background-color 0.2s, color 0.2s;
}

.ais-footer .ais-footer-social a:hover {
    background-color: var(--ais-primary);
    color: #ffffff;
}

.ais-footer-copyright {
    border-top: 1px solid var(--ais-border);
    padding-top: 16px;
    margin-top: 24px;
    text-align: center;
    color: var(--ais-text-secondary);
    font-size: 0.8rem;
}

/* ---------- HOMEPAGE HERO (shorter, centered) ---------- */

.ais-home-hero {
    padding: 80px 0 60px;
    text-align: center;
}

.ais-home-hero .ais-hero-badge {
    display: inline-block;
}

.ais-home-hero .ais-hero-badge::before {
    display: none;
}

.ais-home-hero .ais-hero-title {
    font-size: 3.5rem;
    margin-bottom: 12px;
}

.ais-home-hero .ais-hero-subtitle {
    font-size: 1.15rem;
    max-width: 600px;
    margin: 0 auto;
}

/* ---------- HOMEPAGE SERVICE CARDS ---------- */

.ais-home-cards-row {
    margin-top: 10px;
}

.ais-home-card {
    display: block;
    background-color: var(--ais-bg-dark);
    border: 1px solid var(--ais-border);
    border-top: 4px solid var(--ais-primary);
    border-radius: 8px;
    padding: 40px 30px 30px;
    text-align: center;
    text-decoration: none;
    color: var(--ais-text-primary);
    transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
    height: 100%;
}

.ais-home-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(53, 151, 156, 0.2);
    border-color: var(--ais-primary);
    text-decoration: none;
    color: var(--ais-text-primary);
}

.ais-home-card-icon {
    margin-bottom: 20px;
}

.ais-home-card-icon svg {
    width: 48px;
    height: 48px;
    fill: none;
    stroke: var(--ais-primary);
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.ais-landing .ais-home-card h3 {
    font-size: 1.4rem;
    font-weight: 800;
    margin-bottom: 12px;
    color: var(--ais-text-primary);
}

.ais-home-card p {
    color: var(--ais-text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 20px;
}

.ais-home-card-link {
    display: inline-block;
    color: var(--ais-primary);
    font-weight: 700;
    font-size: 0.95rem;
    letter-spacing: 0.5px;
    transition: color 0.2s;
}

.ais-home-card:hover .ais-home-card-link {
    color: var(--ais-primary-hover);
}

/* ---------- CONTACT FORM ---------- */

.ais-form-group {
    margin-bottom: 20px;
}

.ais-form-group label {
    display: block;
    color: var(--ais-text-secondary);
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 8px;
}

.ais-form-group input,
.ais-form-group textarea {
    width: 100%;
    padding: 12px 16px;
    background-color: var(--ais-bg-dark-alt);
    border: 1px solid var(--ais-border);
    border-radius: 6px;
    color: var(--ais-text-primary);
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.2s;
}

.ais-form-group input:focus,
.ais-form-group textarea:focus {
    outline: none;
    border-color: var(--ais-primary);
}

.ais-form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* ---------- RESPONSIVE ---------- */

@media (max-width: 768px) {
    .ais-nav-links {
        gap: 12px;
        font-size: 0.85rem;
    }

    .ais-nav-links a:not(.ais-btn-primary) {
        display: none;
    }

    .ais-home-hero .ais-hero-title {
        font-size: 2.5rem;
    }

    .ais-hero {
        padding: 60px 0 50px;
    }

    .ais-hero-title {
        font-size: 2.5rem;
    }

    .ais-hero-headline {
        font-size: 1.8rem;
    }

    .ais-section {
        padding: 50px 0;
    }

    .ais-section-title {
        font-size: 1.6rem;
    }

    .ais-stat-number {
        font-size: 2.5rem;
    }

    .ais-block-title {
        font-size: 1.4rem;
    }

    .ais-contact-value {
        font-size: 1.1rem;
    }

    .ais-partner-block {
        padding: 30px 0;
    }

    .ais-img {
        margin-top: 20px;
    }

    .ais-hero-title-row {
        flex-direction: column;
        gap: 12px;
    }

    .ais-hero-logo {
        height: 100px;
    }

    .ais-link-secondary {
        display: block;
        margin-left: 0;
        margin-top: 12px;
    }
}

@media (max-width: 480px) {
    .ais-hero-title {
        font-size: 2rem;
    }

    .ais-hero-headline {
        font-size: 1.5rem;
    }

    .ais-stat-number {
        font-size: 2rem;
    }
}