/* ============================================
   CSS Variables & Root Styles
   ============================================ */
:root {
    --color-text-dark: #000000;
    --color-text-light: #ffffff;
    --color-bg-light: #eff6e0;
    --color-bg-dark: #124559;
    --color-accent: #598392;
    --color-accent-light: #aec3b0;
    --font-heading: 'Playfair Display', Georgia, serif;
    --font-body: 'Source Sans 3', 'Segoe UI', sans-serif;
    --transition-smooth: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    color: var(--color-text-dark);
    background-color: var(--color-bg-light);
    line-height: 1.7;
    font-weight: 400;
    overflow-x: hidden;
}

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

/* ============================================
   Navigation
   ============================================ */
.navbar {
    padding: 1.25rem 0;
    transition: var(--transition-smooth);
    background: transparent;
}

.navbar.scrolled {
    background: rgba(239, 246, 224, 0.95);
    backdrop-filter: blur(10px);
    padding: 0.75rem 0;
    box-shadow: 0 2px 30px rgba(0, 0, 0, 0.08);
}

.navbar-brand {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-bg-dark) !important;
    letter-spacing: -1px;
}

.nav-link {
    font-weight: 500;
    color: var(--color-text-dark) !important;
    margin-left: 2rem;
    position: relative;
    padding: 0.5rem 0 !important;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-bg-dark);
    transition: var(--transition-smooth);
}

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

.navbar-toggler {
    border: none;
    padding: 0.5rem;
}

.navbar-toggler:focus {
    box-shadow: none;
}

/* ============================================
   Hero Section
   ============================================ */
.hero-section {
    position: relative;
    min-height: 100vh;
    background: var(--color-bg-light);
    overflow: hidden;
    padding-top: 80px;
}

.hero-bg-pattern {
    position: absolute;
    top: 0;
    right: 0;
    width: 60%;
    height: 100%;
    background: 
        radial-gradient(circle at 70% 30%, rgba(18, 69, 89, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 30% 70%, rgba(89, 131, 146, 0.06) 0%, transparent 40%);
    z-index: 0;
}

.hero-content {
    position: relative;
    z-index: 1;
    padding: 2rem 0;
}

.hero-greeting {
    font-size: 1.125rem;
    font-weight: 500;
    color: var(--color-accent);
    margin-bottom: 0.5rem;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.hero-name {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    color: var(--color-bg-dark);
    margin-bottom: 0.25rem;
    letter-spacing: -2px;
}

.hero-title {
    font-size: clamp(1.25rem, 3vw, 1.75rem);
    font-weight: 400;
    color: var(--color-accent);
    margin-bottom: 1.5rem;
    font-family: var(--font-body);
}

.hero-tagline {
    font-size: 1.25rem;
    max-width: 500px;
    margin-bottom: 2rem;
    color: rgba(0, 0, 0, 0.75);
}

.hero-contact-info {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    margin-bottom: 2.5rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.contact-item i {
    color: var(--color-bg-dark);
    font-size: 1.125rem;
}

.contact-item a {
    color: var(--color-text-dark);
    text-decoration: none;
    transition: var(--transition-smooth);
}

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

.hero-cta {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.btn-primary {
    background: var(--color-bg-dark);
    border: 2px solid var(--color-bg-dark);
    padding: 0.875rem 2rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    transition: var(--transition-smooth);
}

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

.btn-outline-dark {
    border: 2px solid var(--color-text-dark);
    padding: 0.875rem 2rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    transition: var(--transition-smooth);
}

.btn-outline-dark:hover {
    background: var(--color-bg-dark);
    border-color: var(--color-bg-dark);
    transform: translateY(-2px);
}

/* Hero Visual */
.hero-visual {
    position: relative;
    height: 400px;
}

.floating-card {
    position: absolute;
    background: var(--color-text-light);
    padding: 1.25rem 1.75rem;
    border-radius: 12px;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    animation: float 6s ease-in-out infinite;
}

.floating-card i {
    font-size: 1.5rem;
    color: var(--color-bg-dark);
}

.floating-card span {
    font-weight: 600;
    color: var(--color-text-dark);
}

.floating-card.card-1 {
    top: 20%;
    right: 10%;
    animation-delay: 0s;
}

.floating-card.card-2 {
    top: 45%;
    right: 30%;
    animation-delay: -2s;
}

.floating-card.card-3 {
    top: 70%;
    right: 5%;
    animation-delay: -4s;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}

.scroll-indicator i {
    font-size: 1.5rem;
    color: var(--color-bg-dark);
    opacity: 0.6;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
    40% { transform: translateX(-50%) translateY(-10px); }
    60% { transform: translateX(-50%) translateY(-5px); }
}

/* ============================================
   Section Common Styles
   ============================================ */
.section-header {
    margin-bottom: 4rem;
}

.section-label {
    display: inline-block;
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: 1rem;
}

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

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    color: var(--color-bg-dark);
    margin-bottom: 1rem;
}

.section-title.light {
    color: var(--color-text-light);
}

.section-subtitle {
    font-size: 1.125rem;
    color: rgba(0, 0, 0, 0.7);
    max-width: 600px;
    margin: 0 auto;
}

/* ============================================
   Services Section
   ============================================ */
.services-section {
    padding: 8rem 0;
    background: var(--color-text-light);
}

.service-card {
    background: var(--color-bg-light);
    border-radius: 16px;
    padding: 2.5rem;
    height: 100%;
    position: relative;
    transition: var(--transition-smooth);
    border: 1px solid transparent;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 25px 60px rgba(18, 69, 89, 0.15);
}

.service-card.featured {
    background: var(--color-bg-dark);
    color: var(--color-text-light);
}

.service-card.featured h3,
.service-card.featured p,
.service-card.featured li {
    color: var(--color-text-light);
}

.service-card.featured .service-icon {
    background: rgba(255, 255, 255, 0.15);
    color: var(--color-text-light);
}

.featured-badge {
    position: absolute;
    top: -12px;
    right: 24px;
    background: var(--color-accent-light);
    color: var(--color-bg-dark);
    padding: 0.375rem 1rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.service-icon {
    width: 70px;
    height: 70px;
    background: rgba(18, 69, 89, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.service-icon i {
    font-size: 1.75rem;
    color: var(--color-bg-dark);
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--color-bg-dark);
}

.service-card p {
    color: rgba(0, 0, 0, 0.7);
    margin-bottom: 1.5rem;
}

.service-features {
    list-style: none;
    padding: 0;
    margin: 0;
}

.service-features li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.375rem 0;
    font-weight: 500;
}

.service-features li i {
    color: var(--color-accent);
}

.service-card.featured .service-features li i {
    color: var(--color-accent-light);
}

/* ============================================
   Experience Section
   ============================================ */
.experience-section {
    padding: 8rem 0;
    background: var(--color-bg-dark);
    position: relative;
    overflow: hidden;
}

.experience-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 80%;
    height: 200%;
    background: radial-gradient(circle, rgba(89, 131, 146, 0.15) 0%, transparent 60%);
    z-index: 0;
}

.experience-content {
    position: relative;
    z-index: 1;
}

.experience-text {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.experience-cta {
    font-size: 1.5rem;
    font-family: var(--font-heading);
    font-style: italic;
    color: var(--color-accent-light);
}

.industries-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    position: relative;
    z-index: 1;
}

.industry-tag {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(5px);
    color: var(--color-text-light);
    padding: 0.75rem 1.25rem;
    border-radius: 30px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition-smooth);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.industry-tag:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-3px);
}

.industry-tag i {
    color: var(--color-accent-light);
}

/* Stats */
.stats-row {
    display: flex;
    justify-content: center;
    gap: 4rem;
    margin-top: 5rem;
    padding-top: 4rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
    z-index: 1;
    flex-wrap: wrap;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-family: var(--font-heading);
    font-size: 4rem;
    font-weight: 700;
    color: var(--color-text-light);
    line-height: 1;
}

.stat-suffix {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    color: var(--color-accent-light);
}

.stat-label {
    display: block;
    color: rgba(255, 255, 255, 0.7);
    font-size: 1rem;
    margin-top: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 2px;
}

/* ============================================
   Contact Section
   ============================================ */
.contact-section {
    padding: 8rem 0;
    background: var(--color-bg-light);
}

.contact-wrapper {
    background: var(--color-text-light);
    border-radius: 24px;
    padding: 4rem;
    box-shadow: 0 30px 80px rgba(18, 69, 89, 0.1);
}

.contact-form .form-control {
    border: 2px solid #e8e8e8;
    border-radius: 10px;
    padding: 1rem 1.25rem;
    font-size: 1rem;
    transition: var(--transition-smooth);
    background: var(--color-bg-light);
}

.contact-form .form-control:focus {
    border-color: var(--color-bg-dark);
    box-shadow: 0 0 0 4px rgba(18, 69, 89, 0.1);
    background: var(--color-text-light);
}

.contact-form .form-floating > label {
    color: rgba(0, 0, 0, 0.6);
    padding: 1rem 1.25rem;
}

.contact-form .form-floating > .form-control:focus ~ label,
.contact-form .form-floating > .form-control:not(:placeholder-shown) ~ label {
    color: var(--color-bg-dark);
}

.btn-submit {
    min-width: 200px;
    padding: 1rem 2.5rem;
    font-size: 1.125rem;
}

.form-success {
    text-align: center;
    padding: 3rem;
}

.form-success i {
    font-size: 4rem;
    color: #28a745;
    margin-bottom: 1rem;
}

.form-success h4 {
    color: var(--color-bg-dark);
    margin-bottom: 0.5rem;
}

.form-success p {
    color: rgba(0, 0, 0, 0.7);
}

/* ============================================
   Footer
   ============================================ */
.footer {
    background: var(--color-bg-dark);
    padding: 2rem 0;
    color: rgba(255, 255, 255, 0.7);
}

.footer p {
    margin: 0;
}

.footer-contact a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    color: var(--color-text-light);
    border-radius: 50%;
    margin-left: 0.75rem;
    transition: var(--transition-smooth);
    text-decoration: none;
}

.footer-contact a:hover {
    background: var(--color-accent-light);
    color: var(--color-bg-dark);
    transform: translateY(-3px);
}

/* ============================================
   Responsive Styles
   ============================================ */
@media (max-width: 991px) {
    .navbar-collapse {
        background: rgba(239, 246, 224, 0.98);
        padding: 1.5rem;
        border-radius: 12px;
        margin-top: 1rem;
        box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    }

    .nav-link {
        margin-left: 0;
        padding: 0.75rem 0 !important;
    }

    .hero-section {
        padding-top: 100px;
    }

    .hero-contact-info {
        flex-direction: column;
        gap: 0.75rem;
    }

    .contact-wrapper {
        padding: 2rem;
    }

    .stats-row {
        gap: 2rem;
    }

    .stat-number {
        font-size: 3rem;
    }
}

@media (max-width: 767px) {
    .section-header {
        margin-bottom: 3rem;
    }

    .services-section,
    .experience-section,
    .contact-section {
        padding: 5rem 0;
    }

    .service-card {
        padding: 2rem;
    }

    .industries-grid {
        justify-content: center;
    }

    .stats-row {
        flex-direction: column;
        align-items: center;
        gap: 2.5rem;
    }
}

/* ============================================
   Animations
   ============================================ */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Smooth scroll offset for fixed header */
section[id] {
    scroll-margin-top: 80px;
}