/* ========================================
   THUMER TECHNOLOGY - Shared Styles
   ======================================== */

/* CSS Variables */
:root {
    --primary: #0052CC;
    --primary-dark: #003D99;
    --primary-light: #4C9AFF;
    --accent: #00B8D9;
    --dark: #172B4D;
    --gray: #5E6C84;
    --light-gray: #F4F5F7;
    --white: #FFFFFF;
}

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

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

/* Page wrapper */
.page-wrapper {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

main {
    flex: 1;
    margin-top: 80px;
}

/* Navigation */
nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(10px);
    padding: 1rem 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 1000;
    box-shadow: 0 2px 20px rgba(0,82,204,0.1);
}

.logo a img {
    height: 44px;
    width: auto;
    display: block;
}

.company-name {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--dark);
    margin-top: 0.5rem;
}

.logo-icon,
.logo-text,
.logo-text span {
    /* removed — logo now uses SVG image */
}

nav ul {
    display: flex;
    list-style: none;
    gap: 2rem;
}

nav a {
    text-decoration: none;
    color: var(--gray);
    font-weight: 500;
    font-size: 0.95rem;
    transition: color 0.3s;
}

nav a:hover,
nav a.active {
    color: var(--primary);
}

/* Page Hero (inner pages) */
.page-hero {
    background: linear-gradient(135deg, #001529 0%, var(--primary-dark) 50%, #003087 100%);
    color: white;
    text-align: center;
    padding: 120px 5% 80px;
    position: relative;
    overflow: hidden;
}

.page-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 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");
}

.page-hero-content {
    position: relative;
    max-width: 800px;
}

.page-hero h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 700;
    margin-bottom: 1rem;
    line-height: 1.1;
}

.page-hero p {
    font-size: 1.2rem;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto;
    font-weight: 300;
}

/* Hero Section (home only) */
.hero {
    min-height: calc(100vh - 80px);
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #001529 0%, var(--primary-dark) 50%, #003087 100%);
    color: white;
    text-align: center;
    padding: 120px 5% 80px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 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-content {
    position: relative;
    max-width: 900px;
}

.hero h1 {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.1;
    letter-spacing: -1px;
}

.hero h1 span {
    background: linear-gradient(90deg, var(--primary-light), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero p {
    font-size: 1.4rem;
    opacity: 0.9;
    max-width: 700px;
    margin: 0 auto 2.5rem;
    font-weight: 300;
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    padding: 0.875rem 2rem;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    transition: all 0.3s;
    cursor: pointer;
    border: none;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0,82,204,0.3);
}

.btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid rgba(255,255,255,0.3);
}

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

/* Section Styles */
section {
    padding: 100px 5%;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 4rem;
}

.section-label {
    color: var(--primary);
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 0.75rem;
}

.section-title {
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 1rem;
}

.section-desc {
    color: var(--gray);
    font-size: 1.1rem;
}

/* About Section */
.about {
    background: var(--white);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}

.about-content h3 {
    font-size: 1.75rem;
    margin-bottom: 1.5rem;
    color: var(--dark);
}

.about-content p {
    color: var(--gray);
    margin-bottom: 1.5rem;
    font-size: 1.05rem;
}

.stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-top: 2rem;
}

.stat {
    text-align: center;
    padding: 1.5rem;
    background: var(--light-gray);
    border-radius: 12px;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary);
}

.stat-label {
    color: var(--gray);
    font-size: 0.9rem;
    margin-top: 0.25rem;
}

.about-visual {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border-radius: 20px;
    padding: 3rem;
    color: white;
    position: relative;
    overflow: hidden;
}

.about-visual::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
}

.about-visual h4 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    position: relative;
}

.about-visual ul {
    list-style: none;
    position: relative;
}

.about-visual li {
    padding: 0.75rem 0;
    padding-left: 2rem;
    position: relative;
    font-size: 1.05rem;
}

.about-visual li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--accent);
    font-weight: bold;
}

/* Why AI + DV Section */
.why-ai {
    background: var(--dark);
    color: white;
}

.why-ai .section-label {
    color: var(--accent);
}

.why-ai .section-title {
    color: white;
}

.why-ai .section-desc {
    color: rgba(255,255,255,0.7);
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.why-card {
    padding: 2rem;
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 16px;
    transition: all 0.3s;
    display: flex;
    flex-direction: column;
}

.why-card:hover {
    background: rgba(255,255,255,0.08);
    border-color: var(--accent);
    transform: translateY(-5px);
}

.why-card-header {
    display: flex;
    align-items: baseline;
    gap: 1rem;
    margin-bottom: 1rem;
}

.why-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--accent);
    opacity: 0.5;
    margin-right: 1rem;
    display: inline;
}

.why-card h3 {
    font-size: 1.35rem;
    margin-bottom: 0;
    color: white;
    display: inline;
}

.why-card p {
    color: rgba(255,255,255,0.7);
    font-size: 0.95rem;
    margin-top: 0.75rem;
}

.why-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    max-width: 1000px;
    margin: 4rem auto 0;
}

.why-stat {
    text-align: center;
    padding: 2rem;
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 16px;
}

.why-stat-value {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--accent);
}

.why-stat-label {
    font-size: 0.95rem;
    margin-top: 0.5rem;
    color: rgba(255,255,255,0.7);
}

/* Services Section */
.services {
    background: var(--light-gray);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.service-card {
    background: white;
    padding: 2.5rem;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.05);
    transition: all 0.3s;
    border: 1px solid transparent;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0,82,204,0.1);
    border-color: var(--primary-light);
}

.service-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.service-icon svg {
    width: 30px;
    height: 30px;
    stroke: white;
    fill: none;
}

.service-card h3 {
    font-size: 1.35rem;
    margin-bottom: 1rem;
    color: var(--dark);
}

.service-card p {
    color: var(--gray);
    font-size: 0.95rem;
}

/* Case Studies Section */
.cases {
    background: white;
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.case-card {
    background: var(--light-gray);
    border-radius: 16px;
    overflow: hidden;
    transition: all 0.3s;
}

.case-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
}

.case-header {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    padding: 2rem;
    color: white;
}

.case-tag {
    display: inline-block;
    background: rgba(255,255,255,0.2);
    padding: 0.25rem 0.75rem;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 0.75rem;
}

.case-header h3 {
    font-size: 1.35rem;
    font-weight: 600;
}

.case-body {
    padding: 2rem;
}

.case-body h4 {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--gray);
    margin-bottom: 0.75rem;
}

.case-body ul {
    list-style: none;
    margin-bottom: 1.5rem;
}

.case-body li {
    padding: 0.35rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--gray);
    font-size: 0.95rem;
}

.case-body li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--primary);
}

.case-metrics {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(0,0,0,0.1);
}

.metric {
    text-align: center;
}

.metric-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
}

.metric-label {
    font-size: 0.8rem;
    color: var(--gray);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Contact Section */
.contact {
    background: var(--light-gray);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    max-width: 1000px;
    margin: 0 auto;
}

.contact-info h3 {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    color: var(--dark);
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.contact-item svg {
    width: 24px;
    height: 24px;
    stroke: var(--primary);
    flex-shrink: 0;
    margin-top: 0.25rem;
}

.contact-item p,
.contact-item a {
    color: var(--gray);
    font-size: 1.05rem;
}

.contact-item a {
    text-decoration: none;
}

.contact-item a:hover {
    color: var(--primary);
}

.contact-form {
    background: white;
    padding: 3rem;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.05);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: var(--dark);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.3s;
}

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

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

.form-status {
    margin-top: 1rem;
    padding: 1rem;
    border-radius: 8px;
    display: none;
}

.form-status.success {
    display: block;
    background: #d4edda;
    color: #155724;
}

.form-status.error {
    display: block;
    background: #f8d7da;
    color: #721c24;
}

/* CTA Section */
.cta {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    text-align: center;
    padding: 80px 5%;
}

.cta h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.cta p {
    font-size: 1.2rem;
    opacity: 0.9;
    margin-bottom: 2rem;
}

/* Footer */
footer {
    background: var(--dark);
    color: white;
    padding: 4rem 5% 2rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 4rem;
    max-width: 1200px;
    margin: 0 auto 3rem;
}

.footer-brand p {
    color: rgba(255,255,255,0.6);
    margin-top: 1rem;
    font-size: 0.95rem;
}

.footer-col h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.footer-col ul {
    list-style: none;
}

.footer-col li {
    margin-bottom: 0.75rem;
}

.footer-col a {
    color: rgba(255,255,255,0.6);
    text-decoration: none;
    transition: color 0.3s;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255,255,255,0.1);
    color: rgba(255,255,255,0.4);
    font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 1024px) {
    .why-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .why-stats {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    nav ul {
        gap: 1rem;
    }

    nav {
        padding: 1rem 3%;
    }

    .about-grid,
    .contact-grid,
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .why-grid,
    .why-stats {
        grid-template-columns: 1fr;
    }

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

    section {
        padding: 60px 5%;
    }

    .hero h1 {
        font-size: 2rem;
    }
}