/* style.css – Tasman Energy Systems – tasmaness.com */

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

:root {
    --green-dark:   #0e4f35;
    --green-mid:    #1a7a52;
    --green-light:  #d6ede4;
    --green-bg:     #f0f8f4;
    --text-dark:    #12241c;
    --text-mid:     #3a5244;
    --text-light:   #6b8c7c;
    --white:        #ffffff;
    --border:       #cde3d8;
    --accent:       #f5a623;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background: var(--white);
    color: var(--text-dark);
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 32px;
}

/* ── HEADER ── */
.main-header {
    background: var(--white);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 1px 4px rgba(0,0,0,0.06);
}

.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 0;
    gap: 24px;
}

.logo-area {
    display: flex;
    align-items: center;
    text-decoration: none;
    gap: 0;
    flex-shrink: 0;
}

.logo-img {
    height: 52px;
    width: auto;
    display: block;
}

.nav-links {
    display: flex;
    gap: 36px;
    list-style: none;
}

.nav-links a {
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-mid);
    transition: color 0.2s;
    position: relative;
    padding-bottom: 2px;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--green-dark);
}

.nav-links a.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0; right: 0;
    height: 2px;
    background: var(--green-mid);
    border-radius: 2px;
}

.nav-cta {
    background: var(--green-dark);
    color: var(--white) !important;
    padding: 8px 20px;
    border-radius: 6px;
    font-weight: 600 !important;
    transition: background 0.2s !important;
}

.nav-cta:hover {
    background: var(--green-mid) !important;
    color: var(--white) !important;
}

/* ── HERO ── */
.hero {
    background: linear-gradient(160deg, var(--green-dark) 0%, #1a6040 55%, #2a8060 100%);
    color: var(--white);
    padding: 100px 0 80px;
    overflow: hidden;
    position: relative;
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.hero-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
    position: relative;
}

.hero-eyebrow {
    display: inline-block;
    background: rgba(255,255,255,0.15);
    border: 1px solid rgba(255,255,255,0.25);
    color: rgba(255,255,255,0.9);
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    padding: 5px 14px;
    border-radius: 30px;
    margin-bottom: 24px;
}

.hero h1 {
    font-size: 2.75rem;
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -0.02em;
    margin-bottom: 32px;
}

.hero h1 em {
    font-style: normal;
    color: var(--accent);
}

.hero-sub {
    font-size: 1.05rem;
    color: rgba(255,255,255,0.82);
    margin-top: -16px;
    margin-bottom: 32px;
    max-width: 480px;
    line-height: 1.55;
}

.value-props {
    display: flex;
    flex-direction: column;
    gap: 14px;
    margin-bottom: 40px;
}

.value-prop {
    display: flex;
    align-items: center;
    gap: 12px;
    background: rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.18);
    border-radius: 8px;
    padding: 12px 16px;
    font-weight: 600;
    font-size: 0.92rem;
    letter-spacing: 0.02em;
}

.value-prop-icon {
    width: 32px;
    height: 32px;
    background: rgba(255,255,255,0.2);
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    flex-shrink: 0;
}

.hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.btn-primary {
    background: var(--white);
    color: var(--green-dark);
    font-weight: 700;
    font-size: 0.95rem;
    padding: 13px 28px;
    border-radius: 8px;
    text-decoration: none;
    transition: all 0.2s;
    display: inline-block;
}

.btn-primary:hover {
    background: var(--accent);
    color: var(--white);
    transform: translateY(-1px);
}

.btn-outline {
    border: 2px solid rgba(255,255,255,0.6);
    color: var(--white);
    font-weight: 600;
    font-size: 0.95rem;
    padding: 11px 28px;
    border-radius: 8px;
    text-decoration: none;
    transition: all 0.2s;
    display: inline-block;
}

.btn-outline:hover {
    border-color: var(--white);
    background: rgba(255,255,255,0.1);
}

.hero-visual {
    display: flex;
    justify-content: center;
}

.hero-card-stack {
    display: flex;
    flex-direction: column;
    gap: 14px;
    width: 100%;
    max-width: 380px;
}

.info-card {
    background: rgba(255,255,255,0.12);
    border: 1px solid rgba(255,255,255,0.22);
    border-radius: 14px;
    padding: 20px 24px;
    backdrop-filter: blur(8px);
}

.info-card-label {
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: rgba(255,255,255,0.65);
    margin-bottom: 6px;
}

.info-card-value {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 2px;
}

.info-card-sub {
    font-size: 0.82rem;
    color: rgba(255,255,255,0.7);
}

/* ── SECTIONS ── */
.section {
    padding: 80px 0;
}

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

.section-header {
    text-align: center;
    margin-bottom: 56px;
}

.section-label {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--green-mid);
    margin-bottom: 12px;
}

.section-title {
    font-size: 2.1rem;
    font-weight: 800;
    color: var(--text-dark);
    letter-spacing: -0.02em;
    line-height: 1.2;
    margin-bottom: 14px;
}

.section-desc {
    font-size: 1.05rem;
    color: var(--text-light);
    max-width: 560px;
    margin: 0 auto;
}

/* ── COMPETITIVENESS ── */
.two-col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: start;
}

.feature-block h2 {
    font-size: 2.4rem;
    font-weight: 800;
    color: var(--green-dark);
    letter-spacing: -0.02em;
    margin-bottom: 12px;
}

.feature-block .block-lead {
    font-size: 1rem;
    color: var(--text-light);
    margin-bottom: 32px;
}

.feature-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    padding: 18px 20px;
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 10px;
    transition: box-shadow 0.2s, border-color 0.2s;
}

.feature-item:hover {
    border-color: var(--green-mid);
    box-shadow: 0 4px 12px rgba(26,122,82,0.1);
}

.feature-dot {
    width: 10px;
    height: 10px;
    background: var(--green-mid);
    border-radius: 50%;
    margin-top: 6px;
    flex-shrink: 0;
}

.feature-item-text {
    font-weight: 600;
    font-size: 0.97rem;
    color: var(--text-dark);
}

.feature-item-sub {
    font-size: 0.85rem;
    color: var(--text-light);
    margin-top: 3px;
}

/* ── CORE TECH ── */
.tech-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.tech-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 32px 28px;
    transition: all 0.25s;
    position: relative;
    overflow: hidden;
}

.tech-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--green-dark), var(--green-mid));
    opacity: 0;
    transition: opacity 0.25s;
}

.tech-card:hover {
    box-shadow: 0 8px 24px rgba(14,79,53,0.12);
    transform: translateY(-3px);
    border-color: var(--green-light);
}

.tech-card:hover::before {
    opacity: 1;
}

.tech-icon {
    width: 48px;
    height: 48px;
    background: var(--green-bg);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.tech-icon svg {
    width: 24px;
    height: 24px;
    stroke: var(--green-dark);
    fill: none;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.tech-card h3 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 10px;
}

.tech-card p {
    font-size: 0.9rem;
    color: var(--text-light);
    line-height: 1.6;
}

/* ── ABOUT / COMPANY ── */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.about-content h2 {
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--green-dark);
    letter-spacing: -0.02em;
    margin-bottom: 16px;
}

.about-content .lead {
    font-size: 1.05rem;
    color: var(--text-mid);
    margin-bottom: 28px;
}

.company-facts {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.company-fact {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.95rem;
    color: var(--text-mid);
}

.fact-icon {
    width: 30px;
    height: 30px;
    background: var(--green-light);
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    flex-shrink: 0;
}

.about-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.stat-box {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 28px 24px;
    text-align: center;
}

.stat-box .stat-num {
    font-size: 2rem;
    font-weight: 800;
    color: var(--green-dark);
    line-height: 1;
    margin-bottom: 6px;
}

.stat-box .stat-label {
    font-size: 0.82rem;
    color: var(--text-light);
    font-weight: 500;
}

/* ── CTA BANNER ── */
.cta-banner {
    background: linear-gradient(135deg, var(--green-dark), #1a6040);
    border-radius: 20px;
    padding: 64px 56px;
    text-align: center;
    color: var(--white);
    margin: 0 0 80px;
    position: relative;
    overflow: hidden;
}

.cta-banner::after {
    content: '';
    position: absolute;
    right: -40px; top: -40px;
    width: 240px; height: 240px;
    border-radius: 50%;
    background: rgba(255,255,255,0.04);
}

.cta-banner h2 {
    font-size: 2.1rem;
    font-weight: 800;
    margin-bottom: 12px;
}

.cta-banner p {
    font-size: 1.05rem;
    color: rgba(255,255,255,0.8);
    margin-bottom: 32px;
    max-width: 520px;
    margin-left: auto;
    margin-right: auto;
}

/* ── FOOTER ── */
.main-footer {
    background: #081510;
    color: #9bbfb0;
    padding: 60px 0 0;
}

.footer-top {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
    padding-bottom: 48px;
    border-bottom: 1px solid #1e3328;
}

.footer-brand .footer-logo {
    height: 44px;
    width: auto;
    margin-bottom: 16px;
    opacity: 0.9;
}

.footer-brand p {
    font-size: 0.9rem;
    line-height: 1.7;
    color: #7aaa96;
    max-width: 280px;
    margin-bottom: 20px;
}

.footer-contact-line {
    font-size: 0.88rem;
    color: #9bbfb0;
    margin-bottom: 6px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.footer-contact-line a {
    color: #9bbfb0;
    text-decoration: none;
    transition: color 0.2s;
}

.footer-contact-line a:hover {
    color: var(--accent);
}

.footer-col h5 {
    color: var(--white);
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    margin-bottom: 20px;
}

.footer-col ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-col a {
    text-decoration: none;
    color: #7aaa96;
    font-size: 0.9rem;
    transition: color 0.2s;
}

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

.footer-bottom {
    padding: 20px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.82rem;
    color: #4a7060;
    flex-wrap: wrap;
    gap: 12px;
}

/* ── CONTACT PAGE ── */
.contact-hero {
    background: var(--green-bg);
    padding: 64px 0;
    text-align: center;
}

.contact-hero h1 {
    font-size: 2.4rem;
    font-weight: 800;
    color: var(--green-dark);
    margin-bottom: 12px;
}

.contact-hero p {
    color: var(--text-light);
    font-size: 1.05rem;
}

.contact-body {
    padding: 64px 0 80px;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 56px;
    align-items: start;
}

.contact-info h2 {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 24px;
}

.contact-detail {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    margin-bottom: 24px;
}

.contact-detail-icon {
    width: 42px;
    height: 42px;
    background: var(--green-bg);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    flex-shrink: 0;
}

.contact-detail-text strong {
    display: block;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 3px;
}

.contact-detail-text span,
.contact-detail-text a {
    color: var(--text-light);
    font-size: 0.95rem;
    text-decoration: none;
}

.contact-detail-text a:hover {
    color: var(--green-mid);
}

.contact-form-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 36px 32px;
}

.contact-form-card h2 {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 24px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-group {
    margin-bottom: 18px;
}

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-mid);
    margin-bottom: 6px;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 0.95rem;
    color: var(--text-dark);
    background: var(--white);
    font-family: inherit;
    transition: border-color 0.2s, box-shadow 0.2s;
    outline: none;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    border-color: var(--green-mid);
    box-shadow: 0 0 0 3px rgba(26,122,82,0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 110px;
}

.btn-submit {
    width: 100%;
    background: var(--green-dark);
    color: var(--white);
    font-weight: 700;
    font-size: 0.97rem;
    padding: 13px 28px;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    transition: background 0.2s;
}

.btn-submit:hover {
    background: var(--green-mid);
}

/* ── CASE STUDIES ── */
.case-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.case-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 14px;
    overflow: hidden;
}

.case-card-body {
    padding: 24px;
}

.case-img {
    width: 100%;
    height: 200px;
    object-fit: contain;
    display: block;
    background: var(--green-bg);
    padding: 16px;
    box-sizing: border-box;
}

.case-badge {
    display: inline-block;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--green-mid);
    background: var(--green-light);
    padding: 4px 10px;
    border-radius: 20px;
    margin-bottom: 14px;
}

.case-badge.upcoming {
    color: #a05a00;
    background: #fff3e0;
}

.case-card h3 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 20px;
    line-height: 1.4;
}

.case-metrics {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    margin-bottom: 16px;
}

.case-metric {
    background: var(--green-bg);
    border-radius: 8px;
    padding: 10px 12px;
}

.case-metric-val {
    font-size: 1rem;
    font-weight: 800;
    color: var(--green-dark);
    line-height: 1.2;
    margin-bottom: 2px;
}

.case-metric-label {
    font-size: 0.72rem;
    color: var(--text-light);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.case-payback {
    display: flex;
    align-items: baseline;
    gap: 6px;
    padding-top: 14px;
    border-top: 1px solid var(--border);
    color: var(--text-mid);
    font-size: 0.88rem;
    font-weight: 600;
}

.case-payback-num {
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--green-dark);
    line-height: 1;
}

/* ── GET STARTED ── */
.steps-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 16px;
}

.step-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 0 8px;
}

.step-num {
    width: 52px;
    height: 52px;
    background: var(--green-dark);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    font-weight: 800;
    margin-bottom: 14px;
    flex-shrink: 0;
}

.step-title {
    font-size: 0.92rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 8px;
}

.step-desc {
    font-size: 0.82rem;
    color: var(--text-light);
    line-height: 1.55;
}

/* ── RESPONSIVE ── */
@media (max-width: 900px) {
    .hero-inner,
    .two-col,
    .about-grid,
    .contact-grid { grid-template-columns: 1fr; gap: 40px; }

    .hero { padding: 64px 0 56px; }
    .hero h1 { font-size: 2rem; }
    .hero-visual { display: none; }

    .tech-grid { grid-template-columns: 1fr 1fr; }

    .case-grid { grid-template-columns: 1fr; }

    .steps-grid { grid-template-columns: 1fr 1fr; }

    .footer-top { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 600px) {
    .container { padding: 0 20px; }
    .navbar { flex-wrap: wrap; }
    .nav-links { gap: 18px; flex-wrap: wrap; }
    .section { padding: 56px 0; }
    .section-title { font-size: 1.65rem; }
    .tech-grid { grid-template-columns: 1fr; }
    .case-grid { grid-template-columns: 1fr; }
    .steps-grid { grid-template-columns: 1fr; }
    .footer-top { grid-template-columns: 1fr; }
    .about-stats { grid-template-columns: 1fr 1fr; }
    .form-row { grid-template-columns: 1fr; }
    .cta-banner { padding: 40px 28px; }
    .cta-banner h2 { font-size: 1.6rem; }
}