@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600&family=Outfit:wght@400;600;700;800;900&family=Montserrat:wght@700;800;900&display=swap');

:root {
    /* Colors */
    --primary-bg: #0A192F;
    --secondary-bg: #112240;
    --accent-blue: #00CED1;
    --text-main: #E6F1FF;
    --text-dim: #8892B0;
    --white: #FFFFFF;
    --text-muted: rgba(255, 255, 255, 0.7);
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);

    /* Spacing */
    --section-padding: 100px 20px;
    --max-width: 1200px;

    /* Transitions */
    --transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--primary-bg);
    color: var(--text-main);
    font-family: 'Inter', sans-serif;
    line-height: 1.8;
    overflow-x: hidden;
}

h1, h2, h3, h4 {
    font-family: 'Outfit', sans-serif;
    color: var(--white);
    font-weight: 700;
    letter-spacing: 1.5px;
}

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

ul {
    list-style: none;
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 20px;
}

section {
    padding: var(--section-padding);
}

/* --- Section Specific Spacing --- */
/* Index Page */
#services-summary { padding: 180px 20px 140px; }
#news-summary { padding: 160px 20px 120px; }

/* Sub Pages */
#about-detail { padding: 160px 20px 120px; }
#services-detail { padding: 140px 20px 100px; }
#careers-detail { padding: 130px 20px 150px; }
#news { padding: 120px 20px 160px; }

/* Common */
#contact { padding: 140px 20px 160px; }

/* Utilities */
.text-accent { color: var(--accent-blue); }
.font-en { font-family: 'Montserrat', sans-serif; }
.sub-title {
    display: block;
    font-size: 0.85rem;
    color: var(--accent-blue);
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    letter-spacing: 4px;
    text-transform: uppercase;
    margin-bottom: 10px;
}
.glass-effect {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 30px;
}

.bg-glow {
    position: absolute;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(0, 206, 209, 0.15) 0%, transparent 70%);
    filter: blur(50px);
    border-radius: 50%;
    z-index: -1;
    pointer-events: none;
}

/* --- Layout Components --- */

/* Header & Nav */
header {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    padding: 20px 0;
    transition: var(--transition);
}

header.scrolled {
    background: rgba(10, 25, 47, 0.95);
    backdrop-filter: blur(10px);
    padding: 15px 0;
    box-shadow: 0 10px 30px -10px rgba(2, 12, 27, 0.7);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.6rem;
    font-weight: 800;
    font-family: 'Montserrat', sans-serif;
    letter-spacing: -0.5px;
    cursor: pointer;
}

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-links a {
    font-weight: 500;
    font-size: 0.9rem;
    letter-spacing: 0.5px;
}

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

.btn-contact {
    padding: 10px 20px;
    border: 1px solid var(--accent-blue);
    color: var(--accent-blue);
    font-weight: 500;
    font-size: 0.9rem;
}

.btn-contact:hover {
    background: rgba(0, 163, 255, 0.1);
}

/* --- Sub-page Header --- */
.sub-header {
    background: linear-gradient(135deg, var(--secondary-bg) 0%, var(--primary-bg) 100%);
    padding: 160px 0 80px;
    text-align: left;
    border-bottom: 1px solid var(--glass-border);
}

.sub-header h1 {
    font-size: 3rem;
    margin-bottom: 10px;
}

.breadcrumbs {
    color: var(--text-dim);
    font-size: 0.9rem;
}

/* --- Hero Section --- */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding-top: 80px;
}

/* Background Image Overlay */
.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: radial-gradient(circle at 70% 30%, rgba(0, 163, 255, 0.15), transparent 50%),
                linear-gradient(180deg, var(--primary-bg) 0%, rgba(10, 25, 47, 0.8) 100%);
}

.hero-img {
    position: absolute;
    right: -10%;
    top: 50%;
    transform: translateY(-50%);
    width: 60%;
    height: 80%;
    object-fit: contain;
    opacity: 0.6;
    filter: blur(2px) brightness(0.8);
    z-index: -1;
    mask-image: radial-gradient(circle at center, black 40%, transparent 80%);
}

.hero-content {
    max-width: 700px;
}

.hero h1 {
    font-size: clamp(3rem, 6vw, 5.5rem);
    line-height: 1.15;
    font-weight: 900;
    margin-top: 90px;
    margin-bottom: 30px;
    letter-spacing: -1px;
}

.hero p {
    font-size: 1.15rem;
    font-weight: 300;
    color: var(--text-muted);
    margin-bottom: 40px;
    max-width: 600px;
    line-height: 1.9;
    letter-spacing: 0.5px;
}

.hero-btns {
    display: flex;
    gap: 20px;
}

.btn-primary {
    padding: 16px 32px;
    background: var(--accent-blue);
    color: var(--white);
    font-weight: 600;
    font-size: 0.95rem;
    letter-spacing: 0.5px;
}

.btn-primary:hover {
    background: #0082cc;
    transform: translateY(-3px);
    box-shadow: 0 10px 20px -10px var(--accent-blue);
}

.btn-secondary {
    padding: 16px 32px;
    border: 1px solid var(--accent-blue);
    color: var(--accent-blue);
    font-weight: 600;
    font-size: 0.95rem;
    letter-spacing: 0.5px;
}

.btn-secondary:hover {
    background: rgba(0, 163, 255, 0.1);
    transform: translateY(-3px);
}
/* --- Services Section --- */
.section-header {
    margin-bottom: 60px;
    text-align: left;
}

.section-header h2 {
    font-size: clamp(3.5rem, 8vw, 4.5rem);
    margin-bottom: 20px;
    line-height: 1.1;
    letter-spacing: 3px;
}

.section-header p {
    color: var(--text-muted);
    max-width: 600px;
    margin: 0;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.service-card {
    padding: 40px;
    transition: var(--transition);
    cursor: default;
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--accent-blue);
    opacity: 0;
    transition: var(--transition);
}

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

.service-card:nth-child(even) {
    transform: translateY(40px);
}

.service-card:hover {
    transform: translateY(-10px);
    border-color: var(--accent-blue);
    background: rgba(255, 255, 255, 0.08);
}

.service-icon {
    font-size: 2.5rem;
    color: var(--accent-blue);
    margin-bottom: 25px;
}

.service-card h3 {
    font-size: 2.2rem;
    margin-bottom: 18px;
    letter-spacing: 1px;
}

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

/* Creative Split Layout */
.split-layout {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 80px;
    align-items: start;
}

.split-layout.reverse {
    grid-template-columns: 1.5fr 1fr;
}

.side-title {
    position: sticky;
    top: 150px;
}

.side-title .section-number {
    font-size: 8rem;
    font-family: 'Outfit', sans-serif;
    font-weight: 800;
    line-height: 1;
    opacity: 0.05;
    position: absolute;
    top: -40px;
    left: -20px;
    z-index: -1;
}

.side-title h2 {
    font-size: clamp(4rem, 10vw, 5.5rem);
    line-height: 1.1;
    margin-bottom: 35px;
    letter-spacing: 2px;
}

.split-layout.reverse .side-title {
    order: 2;
    text-align: right;
}

.split-layout.reverse .side-title .section-number {
    left: auto;
    right: -20px;
}

.staggered-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
    padding-top: 50px;
}

@media (min-width: 992px) {
    .staggered-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .service-card.wide {
        grid-column: span 2;
    }
}

/* --- About Section --- */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-text h2 {
    font-size: 3rem;
    margin-bottom: 25px;
}

.about-text p {
    color: var(--text-muted);
    margin-bottom: 20px;
}

.profile-table {
    width: 100%;
}

.profile-row {
    display: flex;
    border-bottom: 1px solid var(--glass-border);
    padding: 15px 0;
}

.profile-label {
    width: 150px;
    color: var(--accent-blue);
    font-weight: 600;
}

.profile-value {
    flex: 1;
}

/* --- Mission Section --- */
.mission-box {
    padding: 100px 60px;
    background: linear-gradient(135deg, rgba(0, 206, 209, 0.1) 0%, transparent 100%);
    border-radius: 40px;
    margin-top: 100px;
    display: flex;
    gap: 60px;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.mission-box::after {
    content: '"';
    position: absolute;
    top: -50px;
    right: 20px;
    font-size: 25rem;
    font-family: 'Outfit', sans-serif;
    color: var(--accent-blue);
    opacity: 0.05;
    line-height: 1;
}

.mission-box h2 {
    font-size: 3rem;
    min-width: 250px;
    margin-bottom: 0;
}

.mission-text {
    font-size: 1.8rem;
    font-weight: 600;
    line-height: 1.4;
    color: var(--text-main);
    border-left: 2px solid var(--accent-blue);
    padding-left: 40px;
}

/* --- News Section --- */
.news-list {
    max-width: 800px;
    margin: 0 auto;
}

.news-item {
    display: flex;
    gap: 30px;
    padding: 20px 0;
    border-bottom: 1px solid var(--glass-border);
}

.news-date {
    color: var(--accent-blue);
    font-weight: 500;
    min-width: 100px;
}

/* --- Careers Section --- */
.careers-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.career-card {
    padding: 35px;
}

.career-tag {
    display: inline-block;
    padding: 4px 12px;
    background: rgba(0, 163, 255, 0.1);
    color: var(--accent-blue);
    border-radius: 20px;
    font-size: 0.8rem;
    margin-bottom: 15px;
}

.career-card h3 {
    font-size: 1.8rem;
    margin-bottom: 15px;
}

.career-card p {
    color: var(--text-muted);
}

.career-link {
    display: inline-block;
    margin-top: 20px;
    color: var(--accent-blue);
    font-weight: 600;
}

.career-link:after {
    content: ' →';
}

/* --- Contact Section --- */
#contact .section-header {
    text-align: center;
}

#contact .section-header p {
    margin: 0 auto;
}

.contact-form {
    max-width: 600px;
    margin: 0 auto;
    padding: 50px;
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.06) 0%, rgba(255, 255, 255, 0.02) 100%);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    position: relative;
    overflow: hidden;
}

.contact-form::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
}

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

.form-group label {
    display: block;
    margin-bottom: 10px;
    color: var(--text-dim);
    font-weight: 500;
    font-size: 0.9rem;
    transition: var(--transition);
}

.form-group:focus-within label {
    color: var(--accent-blue);
}

.form-control {
    width: 100%;
    padding: 14px 18px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    color: var(--text-main);
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
}

.form-control::placeholder {
    color: rgba(136, 146, 176, 0.5);
}

.form-control:focus {
    outline: none;
    border-color: var(--accent-blue);
    background: rgba(255, 255, 255, 0.07);
    box-shadow: 0 0 20px rgba(0, 206, 209, 0.15);
    transform: translateY(-2px);
}

.btn-submit {
    width: 100%;
    padding: 16px;
    background: var(--accent-blue);
    color: var(--primary-bg);
    border: none;
    font-weight: 700;
    font-size: 1rem;
    letter-spacing: 1px;
    cursor: pointer;
    transition: var(--transition);
    margin-top: 10px;
}

.btn-submit:hover {
    background: var(--white);
    transform: translateY(-3px);
    box-shadow: 0 10px 20px -10px var(--accent-blue);
}

/* --- Footer --- */
footer {
    padding: 60px 0;
    border-top: 1px solid var(--glass-border);
    text-align: center;
    color: var(--text-dim);
    font-size: 0.9rem;
}

/* --- Responsive Design --- */
@media (max-width: 992px) {
    .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .hero h1 {
        font-size: 3rem;
    }

    .split-layout, .split-layout.reverse {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .side-title {
        position: relative;
        top: 0;
    }

    .split-layout.reverse .side-title {
        order: 0;
        text-align: left;
    }

    .mission-box {
        flex-direction: column;
        align-items: flex-start;
        padding: 60px 30px;
        gap: 30px;
    }

    .mission-text {
        padding-left: 0;
        border-left: none;
        border-top: 2px solid var(--accent-blue);
        padding-top: 20px;
    }
}

@media (max-width: 768px) {
    header {
        padding: 15px 0;
    }

    .nav-links {
        display: none; /* Simplification for this demo */
    }

    .hero {
        text-align: center;
        justify-content: center;
    }

    .hero-img {
        width: 100%;
        right: 0;
        opacity: 0.3;
    }

    .hero-btns {
        justify-content: center;
    }

    section {
        padding: 60px 20px;
    }
}

/* Animations */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.reveal {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease-out;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* Floating Back to Portfolio Button */
.back-to-portfolio {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 9999;
  background: var(--accent-blue, #00CED1);
  color: var(--primary-bg, #0A192F);
  padding: 12px 20px;
  border-radius: 50px;
  font-weight: 700;
  font-size: 0.85rem;
  text-decoration: none;
  box-shadow: 0 4px 15px rgba(0, 206, 209, 0.4);
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 8px;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.back-to-portfolio:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(0, 206, 209, 0.6);
  background: var(--white, #FFFFFF);
  color: var(--primary-bg, #0A192F);
}

@media (max-width: 768px) {
  .back-to-portfolio {
    bottom: 16px;
    right: 16px;
    padding: 10px 16px;
    font-size: 0.8rem;
  }
}