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

:root {
    --primary-color: #0a0a0a;
    --primary-dark: #000000;
    --accent-color: #ce0000;
    --accent-light: #f2b3b3;
    --text-primary: #0a0a0a;
    --text-secondary: #3f3f3f;
    --text-tertiary: #6b6b6b;
    --background-light: #ffffff;
    --background-alt: #f7f7f7;
    --border-color: #e5e5e5;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.14);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--text-primary);
    background-color: var(--background-light);
    line-height: 1.6;
    overflow-x: hidden;
}

/* NAVIGATION */
nav {
    position: sticky;
    top: 0;
    background: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    animation: slideDown 0.6s ease-out;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo {
    /* font-size: 22px; */
    /* font-weight: 700; */
    color: var(--primary-color);
    font-family: 'Space Grotesk', sans-serif;
    letter-spacing: -0.5px;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    /* align-items: center; */
    justify-content: center;


}

.logo>.company-title {
    line-height: 0.5;
    font-size: 24px;
    letter-spacing: 4px;
    color: #ce0000;
}

.logo>.company-subtitle {
    font-size: 14px;
    letter-spacing: 4px;
}

.logo:hover {
    color: var(--primary-dark);
}

.nav-links {
    display: flex;
    gap: 30px;
    list-style: none;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 14px;
    transition: color 0.3s ease;
    position: relative;
}

.nav-links a:hover {
    color: var(--accent-color);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-color);
    transition: width 0.3s ease;
}

.nav-links a:hover::after {
    width: 100%;
}

/* HERO SECTION */
.hero {
    background: linear-gradient(135deg, #ffffff 0%, #f7f7f7 100%);
    padding: 100px 20px;
    text-align: center;
    position: relative;
    overflow: hidden;
    min-height: 600px;
}

/* Background Video */
.hero-video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 0;
    opacity: 0.8;
    filter: saturate(0.7);
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 50%, rgba(0, 0, 0, 0.04) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(206, 0, 0, 0.08) 0%, transparent 50%);
    pointer-events: none;
    z-index: 1;
}

.hero-content {
    max-width: 900px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.hero h1 {
    font-family: 'Sora', sans-serif;
    font-size: 56px;
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-primary);
    margin-bottom: 20px;
    animation: fadeInUp 0.8s ease-out 0.2s both;
    text-shadow: none;
}

.hero h1 .gradient-text {
    background: linear-gradient(135deg, var(--accent-color) 0%, var(--accent-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero p {
    font-size: 18px;
    color: var(--text-primary);
    margin-bottom: 30px;
    animation: fadeInUp 0.8s ease-out 0.4s both;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    text-shadow: none;
}

.cta-buttons {
    display: flex;
    gap: 15px;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease-out 0.6s both;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.btn {
    padding: 14px 32px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 15px;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.btn-primary {
    background: var(--accent-color);
    color: #ffffff;
    box-shadow: 0 6px 16px rgba(206, 0, 0, 0.2);
}

.btn-primary:hover {
    background: #9b0000;
    transform: translateY(-2px);
    box-shadow: 0 10px 24px rgba(206, 0, 0, 0.25);
}

.btn-secondary {
    background: #ffffff;
    color: var(--accent-color);
    border: 2px solid var(--accent-color);
}

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

/* HERO VISUAL */
.hero-visual {
    margin-top: 60px;
    animation: fadeIn 1s ease-out 0.8s both;
}

.hero-image {
    width: 100%;
    max-width: 500px;
    height: 300px;
    background: linear-gradient(135deg, #f7f7f7 0%, #ededed 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 80px;
    position: relative;
    overflow: hidden;
    margin: 0 auto;
    border: 1px solid var(--border-color);
}

.hero-image::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(206, 0, 0, 0.12) 1px, transparent 1px);
    background-size: 30px 30px;
    animation: drift 20s linear infinite;
}

@keyframes drift {
    0% {
        transform: translate(0, 0);
    }

    100% {
        transform: translate(30px, 30px);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

/* SECTIONS */
section {
    max-width: 1200px;
    margin: 0 auto;
    padding: 80px 20px;
    animation: fadeInUp 0.8s ease-out both;
}

section:nth-child(2) {
    animation-delay: 0.1s;
}

section:nth-child(3) {
    animation-delay: 0.2s;
}

section:nth-child(4) {
    animation-delay: 0.3s;
}

h2 {
    font-family: 'Sora', sans-serif;
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--text-primary);
}

.section-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 50px;
    max-width: 600px;
}

/* PROBLEM SECTION */
.problem {
    background: var(--background-alt);
}

.problem-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.problem-text h3 {
    font-size: 28px;
    color: var(--text-primary);
    margin-bottom: 20px;
}

.problem-text p {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 15px;
}

.problem-visual {
    width: 100%;
    height: 300px;
    background: linear-gradient(135deg, #f7f7f7 0%, #ededed 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 80px;
    border: 1px solid var(--border-color);
}

.problem-image {
    width: 100%;
    height: 400px;
    object-fit: cover;
    box-shadow: var(--shadow-lg);
    transition: transform 0.3s ease;
    display: block;
    border-radius: 12px;
}

.problem-image:hover {
    transform: scale(1.02);
}

@media (max-width: 768px) {
    .problem-content {
        grid-template-columns: 1fr;
    }

    .problem-image {
        height: 300px;
    }
}

/* FRAMEWORK CARDS */
.framework-section {
    background: var(--background-light);
}

.framework-image-container {
    width: 100%;
    max-width: 1000px;
    margin: 50px auto 0;
    display: flex;
    justify-content: center;
    align-items: center;
    animation: fadeInUp 0.8s ease-out 0.3s both;
}

.framework-main-image {
    width: 100%;
    height: auto;
    max-width: 900px;
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.framework-main-image:hover {
    transform: scale(1.02);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
}

.stages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
    margin-top: 50px;
}

.stage-card {
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 35px;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.stage-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-color) 0%, var(--accent-light) 100%);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s ease;
}

.stage-card:hover {
    border-color: var(--accent-color);
    box-shadow: var(--shadow-lg);
    transform: translateY(-8px);
}

.stage-card:hover::before {
    transform: scaleX(1);
}

.stage-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background: var(--accent-color);
    color: white;
    border-radius: 10px;
    font-weight: 700;
    font-size: 20px;
    margin-bottom: 15px;
    border: none;
}

.stage-card h3 {
    font-size: 20px;
    margin-bottom: 10px;
    color: var(--text-primary);
}

.stage-card p {
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.6;
}

/* IMPACT SECTION */
.impact-section {
    background: var(--background-alt);
    color: var(--text-primary);
}

.impact-section h2 {
    color: var(--text-primary);
}

.impact-section .section-subtitle {
    color: var(--text-secondary);
}

.impact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.impact-card {
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 30px;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-sm);
}

.impact-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-5px);
    border-color: var(--accent-color);
}

.impact-card h3 {
    font-size: 24px;
    color: var(--text-primary);
    margin-bottom: 10px;
}

.impact-card p {
    color: var(--text-secondary);
    font-size: 14px;
}

/* CTA SECTION */
.final-cta {
    text-align: center;
    background: var(--background-alt);
}

.final-cta h2 {
    font-size: 48px;
    margin-bottom: 20px;
}

.final-cta p {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 40px;
}

/* FOOTER */
footer {
    background: #f8fafc;
    color: var(--text-primary);
    padding: 50px 20px;
    text-align: center;
    border-top: 1px solid var(--border-color);
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
}

.footer-links {
    display: flex;
    gap: 30px;
    justify-content: center;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s ease;
}

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

.footer-divider {
    border-top: 1px solid var(--border-color);
    margin: 30px 0;
}

.footer-bottom {
    color: var(--text-tertiary);
    font-size: 13px;
}

/* SERVICES SECTION */
.services-section {
    background: var(--background-light);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
    margin-top: 40px;
}

.service-card {
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 28px;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}

.service-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
    border-color: var(--accent-color);
}

.service-card h3 {
    font-size: 20px;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.service-card p {
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.7;
}

/* ABOUT SECTION */
.about-section {
    background: var(--background-alt);
}

.about-content {
    max-width: 900px;
}

.about-content p {
    color: var(--text-secondary);
    line-height: 1.8;
    font-size: 16px;
}

/* RESPONSIVE */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .hero h1 {
        font-size: 36px;
    }

    .hero p {
        font-size: 16px;
    }

    h2 {
        font-size: 32px;
    }

    section {
        padding: 50px 20px;
    }

    .final-cta h2 {
        font-size: 32px;
    }
}

/* SCROLL ANIMATIONS */
.fade-in-on-scroll {
    opacity: 0;
    animation: fadeInUp 0.8s ease-out forwards;
}

/* HOVER EFFECTS */
.icon {
    display: inline-block;
    width: 24px;
    height: 24px;
    margin-right: 8px;
    vertical-align: middle;
}