/* ============================================
   DTE Capital Partners - Main Stylesheet
   Brand Colors:
   - Primary Green: #62b892
   - Text Dark Blue: #0f1d48
   - Font: Inter (similar to Sweet Sans Pro)
   ============================================ */

/* CSS Variables */
:root {
    --color-primary: #62b892;
    --color-primary-dark: #4a9d78;
    --color-primary-light: #7fcaa6;
    --color-text: #0f1d48;
    --color-text-light: #3d4a6b;
    --color-white: #ffffff;
    --color-light: #f8faf9;
    --color-gray: #e8eeeb;
    --color-dark: #0a1230;

    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    --spacing-xxl: 8rem;

    --transition: all 0.3s ease;
    --transition-slow: all 0.5s ease;

    --shadow-sm: 0 2px 8px rgba(15, 29, 72, 0.08);
    --shadow-md: 0 8px 24px rgba(15, 29, 72, 0.12);
    --shadow-lg: 0 16px 48px rgba(15, 29, 72, 0.16);

    --border-radius: 8px;
    --border-radius-lg: 16px;
}

/* Reset & Base */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-family);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition);
}

ul {
    list-style: none;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    color: var(--color-text);
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.125rem; }

p {
    margin-bottom: 1rem;
}

.lead {
    font-size: 1.25rem;
    font-weight: 400;
    color: var(--color-text-light);
}

.highlight {
    color: var(--color-primary);
}

/* Container */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.875rem 2rem;
    font-family: var(--font-family);
    font-size: 0.9375rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border: 2px solid transparent;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
}

.btn-primary {
    background-color: var(--color-primary);
    color: var(--color-white);
    border-color: var(--color-primary);
    font-weight: 700;
}

.btn-primary:hover {
    background-color: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Header Contact Button */
.nav-list .btn-primary {
    color: var(--color-white);
    font-weight: 700;
}

.btn-light {
    background-color: var(--color-white);
    color: var(--color-text);
    border-color: var(--color-white);
}

.btn-light:hover {
    background-color: transparent;
    color: var(--color-white);
    transform: translateY(-2px);
}

.btn-large {
    padding: 1.125rem 2.5rem;
    font-size: 1rem;
}

.btn-full {
    width: 100%;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 1.5rem 0;
    transition: var(--transition);
}

.header.scrolled {
    background-color: var(--color-white);
    box-shadow: var(--shadow-sm);
    padding: 1rem 0;
}

.header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo img {
    height: 40px;
    width: auto;
    transition: var(--transition);
}

.header:not(.scrolled) .logo img {
    filter: brightness(0) invert(1);
}

.nav-list {
    display: flex;
    align-items: center;
    gap: 2.5rem;
}

.nav-list a {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--color-text);
    position: relative;
}

.header:not(.scrolled) .nav-list a:not(.btn) {
    color: var(--color-white);
}

.nav-list a:not(.btn)::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-primary);
    transition: var(--transition);
}

.nav-list a:not(.btn):hover::after {
    width: 100%;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background-color: var(--color-text);
    transition: var(--transition);
}

.header:not(.scrolled) .nav-toggle span {
    background-color: var(--color-white);
}

/* Hero Section */
.hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-slider {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.hero-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1s ease-in-out;
}

.hero-slide.active {
    opacity: 1;
}

.hero-video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        135deg,
        rgba(15, 29, 72, 0.85) 0%,
        rgba(98, 184, 146, 0.7) 100%
    );
    z-index: 1;
}

.hero-dots {
    position: absolute;
    bottom: 100px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 12px;
    z-index: 20;
}

.hero-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    border: 2px solid var(--color-white);
    background: transparent;
    cursor: pointer;
    transition: var(--transition);
    padding: 0;
}

.hero-dot:hover,
.hero-dot.active {
    background: var(--color-white);
}

/* Gradient Slide */
.hero-slide-gradient .hero-gradient-bg {
    width: 100%;
    height: 100%;
    background:
        radial-gradient(ellipse at 20% 80%, rgba(98, 184, 146, 0.4) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(98, 184, 146, 0.3) 0%, transparent 40%),
        radial-gradient(ellipse at 50% 50%, rgba(15, 29, 72, 0.2) 0%, transparent 60%),
        linear-gradient(135deg, #0a1230 0%, #0f1d48 50%, #1a2d5c 100%);
}

.hero-content {
    position: relative;
    z-index: 10;
    text-align: center;
    color: var(--color-white);
    padding: var(--spacing-md);
}

.hero-logo {
    max-width: 400px;
    margin: 0 auto var(--spacing-md);
}

.hero-tagline {
    font-size: clamp(1.25rem, 2.5vw, 1.75rem);
    font-weight: 300;
    margin-bottom: var(--spacing-lg);
    opacity: 0.9;
}

.hero-scroll {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-white);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    opacity: 0.7;
}

.scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, var(--color-white), transparent);
    animation: scroll-pulse 2s ease-in-out infinite;
}

@keyframes scroll-pulse {
    0%, 100% { opacity: 0.3; transform: scaleY(0.8); }
    50% { opacity: 1; transform: scaleY(1); }
}

/* Sections */
.section {
    padding: var(--spacing-xxl) 0;
}

.section-header {
    margin-bottom: var(--spacing-lg);
}

.section-header-center {
    text-align: center;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.section-label {
    display: inline-block;
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.section-title {
    margin-bottom: var(--spacing-sm);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--color-text-light);
}

/* About Section */
.about-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: var(--spacing-lg);
    align-items: start;
}

.about-content p {
    color: var(--color-text-light);
}

.about-content p:last-child {
    margin-bottom: 0;
}

.about-cards {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.about-card {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: var(--color-light);
    border-radius: var(--border-radius);
    border-left: 3px solid var(--color-primary);
    transition: var(--transition);
}

.about-card:hover {
    background: var(--color-white);
    box-shadow: var(--shadow-sm);
    transform: translateX(4px);
}

.about-card-icon {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    color: var(--color-primary);
}

.about-card-icon svg {
    width: 100%;
    height: 100%;
}

.about-card h4 {
    font-size: 1rem;
    margin-bottom: 0.25rem;
    color: var(--color-text);
}

.about-card p {
    font-size: 0.875rem;
    color: var(--color-text-light);
    margin: 0;
    line-height: 1.4;
}

/* Quote Section */
.section-quote {
    position: relative;
    background: linear-gradient(135deg, var(--color-text) 0%, var(--color-dark) 100%);
    padding: var(--spacing-xl) 0;
    overflow: hidden;
}

.quote-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 20% 50%, rgba(98, 184, 146, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 50%, rgba(98, 184, 146, 0.1) 0%, transparent 40%);
}

.quote-wrapper {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.quote-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto var(--spacing-md);
    color: var(--color-primary);
    opacity: 0.6;
}

.quote-icon svg {
    width: 100%;
    height: 100%;
}

.quote {
    margin: 0;
}

.quote p {
    font-size: clamp(1.5rem, 3vw, 2.25rem);
    font-weight: 300;
    color: var(--color-white);
    line-height: 1.6;
    margin: 0;
}

.quote-highlight {
    color: var(--color-primary);
    font-weight: 500;
}

.quote-line {
    width: 80px;
    height: 3px;
    background: var(--color-primary);
    margin: var(--spacing-md) auto 0;
    border-radius: 2px;
}

/* Focus Section */
.section-focus {
    background-color: var(--color-light);
}

.focus-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
}

.focus-card {
    background-color: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    text-align: center;
    border-top: 4px solid var(--color-primary);
}

.focus-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-top-color: var(--color-primary-dark);
}

.focus-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-md);
    color: var(--color-primary);
}

.focus-icon svg {
    width: 100%;
    height: 100%;
}

.focus-title {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
}

.focus-description {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
}

.focus-list {
    text-align: left;
}

.focus-list li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--color-text-light);
    font-size: 0.9375rem;
    border-bottom: 1px solid var(--color-gray);
}

.focus-list li:last-child {
    border-bottom: none;
}

.focus-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 8px;
    height: 8px;
    background-color: var(--color-primary);
    border-radius: 50%;
}

/* Approach Section */
.approach-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-xl);
    align-items: start;
}

.approach-columns {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-md);
}

.approach-column h4 {
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
    padding-bottom: var(--spacing-xs);
    border-bottom: 2px solid var(--color-primary);
}

.approach-column ul {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.approach-column li {
    padding-left: 1.25rem;
    position: relative;
    color: var(--color-text-light);
    font-size: 0.9375rem;
    line-height: 1.5;
}

.approach-column li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.5rem;
    width: 6px;
    height: 6px;
    background-color: var(--color-primary);
    border-radius: 50%;
}

.approach-visual {
    position: sticky;
    top: 120px;
}

.approach-card {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    text-align: center;
}

.approach-card-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--spacing-md);
}

.approach-card-icon svg {
    width: 100%;
    height: 100%;
}

.approach-card h5 {
    color: var(--color-white);
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
}

.approach-card p {
    opacity: 0.9;
    font-size: 0.9375rem;
    margin: 0;
}

/* CTA Section */
.section-cta {
    background: linear-gradient(135deg, var(--color-text) 0%, var(--color-dark) 100%);
    padding: var(--spacing-xl) 0;
}

.cta-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.cta-content h2 {
    color: var(--color-white);
    margin-bottom: var(--spacing-sm);
}

.cta-content p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 1.125rem;
    margin-bottom: var(--spacing-md);
}

/* Contact Section */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
}

.contact-details {
    margin-top: var(--spacing-md);
}

.contact-item {
    margin-bottom: var(--spacing-md);
}

.contact-item h4 {
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
}

.contact-item p {
    color: var(--color-text-light);
    margin: 0;
}

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

.contact-item a:hover {
    text-decoration: underline;
}

.contact-form-wrapper {
    background-color: var(--color-light);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-lg);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem 1.25rem;
    font-family: var(--font-family);
    font-size: 1rem;
    color: var(--color-text);
    background-color: var(--color-white);
    border: 2px solid var(--color-gray);
    border-radius: var(--border-radius);
    transition: var(--transition);
}

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

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--color-text-light);
    opacity: 0.6;
}

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

/* Footer */
.footer {
    background-color: var(--color-text);
    color: var(--color-white);
    padding: var(--spacing-xl) 0 var(--spacing-md);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-logo {
    height: 36px;
    margin-bottom: var(--spacing-sm);
    filter: brightness(0) invert(1);
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9375rem;
    max-width: 280px;
}

.footer-links h4 {
    color: var(--color-white);
    font-size: 1rem;
    margin-bottom: var(--spacing-sm);
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9375rem;
}

.footer-links a:hover {
    color: var(--color-primary);
}

.footer-bottom {
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.875rem;
    margin: 0;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .about-grid {
        grid-template-columns: 1fr;
    }

    .about-cards {
        margin-top: var(--spacing-md);
    }

    .focus-grid {
        grid-template-columns: 1fr;
        max-width: 500px;
        margin: 0 auto;
    }

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

    .approach-visual {
        position: static;
        max-width: 400px;
        margin: 0 auto;
    }

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

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

@media (max-width: 768px) {
    :root {
        --spacing-xxl: 5rem;
        --spacing-xl: 4rem;
        --spacing-lg: 2.5rem;
    }

    .nav-toggle {
        display: flex;
        z-index: 1001;
    }

    .nav-list {
        position: fixed;
        top: 0;
        right: -100%;
        width: 100%;
        height: 100vh;
        flex-direction: column;
        justify-content: center;
        background-color: var(--color-white);
        transition: var(--transition);
    }

    .nav-list.active {
        right: 0;
    }

    .header:not(.scrolled) .nav-list a:not(.btn) {
        color: var(--color-text);
    }

    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }

    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }

    .hero-logo {
        max-width: 280px;
    }

    .about-card {
        padding: var(--spacing-sm);
    }

    .about-card-icon {
        width: 32px;
        height: 32px;
    }

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

    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-brand p {
        max-width: 100%;
    }

    .footer-logo {
        margin: 0 auto var(--spacing-sm);
    }
}

@media (max-width: 480px) {
    .btn {
        padding: 0.75rem 1.5rem;
        font-size: 0.875rem;
    }

    .hero-tagline {
        font-size: 1.125rem;
    }

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