/* 1. General Setup & Variables */
/* ------------------------------------ */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700&display=swap');

:root {
    /* --- Original Theme (Commented Out) --- */
    /*
    --color-bg: #F8F9FA;
    --color-text: #212529;
    --color-text-heading: #212529;
    --color-text-light: #6C757D;
    --color-accent: #0086db;
    --color-border: #DEE2E6;
    --color-formbox-shadow: rgba(0, 134, 219, 0.2);
    */

    /* --- Invectra Brand Theme --- */
    /*
    --color-bg: #F4F8FB;  
    --color-surface: #FFFFFF;
    --color-header-bg: rgba(255, 255, 255, 0.6);
    --color-input-bg: #F4F8FB;

    --color-text: #437794;  
    --color-text-heading: #115B8A; 
    --color-text-light: #457D9C;  
    --color-accent: #1192D6; 
    --color-border: #DCE7F0;
    --color-formbox-shadow: rgba(17, 146, 214, 0.2);
    --color-form-label-optional: #adb5bd;
    */
    


    /* --- Invectra Dark Theme (Uncomment to activate) --- */
    --color-bg: radial-gradient(circle at top left, #3390A3, #335670);
    --color-surface: rgba(17, 91, 138, 0.25);
    --color-header-bg: rgba(17, 91, 138, 0.4);
    --color-input-bg: rgba(0, 0, 0, 0.2);

    --color-text: #E0F7FA;
    --color-text-heading: #FFFFFF;
    --color-text-light: #B2EBF2;
    --color-accent: #17B8FD;
    --color-border: rgba(255, 255, 255, 0.15);
    --color-formbox-shadow: rgba(23, 184, 253, 0.3);
    --color-form-label-optional: #80DEEA;

    --font-sans: 'Poppins', 'sans-serif';

    --fz-xs: 0.75rem;  /* 12px */
    --fz-sm: 0.875rem; /* 14px */
    --fz-md: 1rem;     /* 16px */
    --fz-lg: 1.125rem; /* 18px */
    --fz-xl: 1.25rem;  /* 20px */
    --fz-xxl: 1.5rem;  /* 24px */
    --fz-heading-sm: 2rem;
    --fz-heading-md: 2.5rem;
    --fz-heading-lg: 3rem;

    --border-radius: 8px;
    --nav-height: 80px;

    --easing: cubic-bezier(0.645, 0.045, 0.355, 1);
    --transition: all 0.25s var(--easing);

    --shadow-sm: 0 1px 3px rgba(0,0,0,0.05), 0 1px 2px rgba(0,0,0,0.03);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.05), 0 2px 4px rgba(0,0,0,0.04);
    --shadow-lg: 0 10px 15px rgba(0,0,0,0.05), 0 4px 6px rgba(0,0,0,0.05);

    --color-white: #FFFFFF;
    --color-white-09: rgba(255, 255, 255, 0.9);
    --color-white-06: rgba(255, 255, 255, 0.6);
    --color-white-01: rgba(255, 255, 255, 0.1);
    --color-success-bg: #d1e7dd;
    --color-success-ft: #0f5132;
    --color-error-bg: #f8d7da;
    --color-error-ft: #842029;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    padding: 0;
    width: 100%;
    min-height: 100%;
    overflow-x: hidden;
    -moz-osx-font-smoothing: grayscale;
    -webkit-font-smoothing: antialiased;
    background: var(--color-bg);
    background-attachment: fixed;
    color: var(--color-text);
    font-family: var(--font-sans);
    font-size: var(--fz-lg);
    line-height: 1.6;
}

body.no-scroll {
    overflow: hidden;
}

main {
    margin: 0 auto;
    width: 100%;
    max-width: 1200px;
    padding: 0 2rem;
}

section {
    margin: 0 auto;
    padding: 6rem 0;
}

h1, h2, h3, h4, h5, h6 {
    margin: 0 0 1rem 0;
    font-weight: 600;
    color: var(--color-text-heading);
    line-height: 1.2;
}

h1 { font-size: var(--fz-heading-lg); }
h2 { font-size: var(--fz-heading-md); }
h3 { font-size: var(--fz-heading-sm); }

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

a:hover {
    opacity: 0.8;
}

/* 2. Header / Navigation */
/* ------------------------------------ */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: 0 2rem;
    height: var(--nav-height);
    background-color: var(--color-header-bg);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    border-bottom: 1px solid var(--color-border);
    transition: var(--transition);
}

.header .logo img {
    width: 45px;
    height: auto;
    display: block;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.nav-links ol {
    display: flex;
    align-items: center;
    padding: 0;
    margin: 0;
    list-style: none;
    gap: 1rem;
}

.nav-links ol li a {
    padding: 0.5rem;
    color: var(--color-text-light);
    font-size: var(--fz-md);
    font-weight: 500;
}

.nav-links ol li a:hover {
    color: var(--color-text);
}

.button {
    color: var(--color-white);
    background-color: var(--color-accent);
    border: 1px solid var(--color-accent);
    border-radius: var(--border-radius);
    padding: 0.6rem 1.2rem;
    font-size: var(--fz-sm);
    font-weight: 500;
    line-height: 1;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition);
}

.button:hover {
    opacity: 0.9;
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.button-large {
    padding: 1rem 2rem;
    font-size: var(--fz-md);
    font-weight: 600;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    z-index: 1002;
}

.mobile-menu-toggle .bar {
    display: block;
    width: 25px;
    height: 3px;
    margin: 5px auto;
    background-color: var(--color-text);
    transition: var(--transition);
    border-radius: 2px;
}

.mobile-menu-toggle.active .bar:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}
.mobile-menu-toggle.active .bar:nth-child(2) {
    opacity: 0;
}
.mobile-menu-toggle.active .bar:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}


/* 3. Footer */
/* ------------------------------------ */
.footer {
    padding: 2rem;
    text-align: center;
    border-top: 1px solid var(--color-border);
    background-color: var(--color-surface);
}

.footer-links {
    margin-bottom: 1rem;
}

.footer-links a {
    padding: 0.5rem;
    font-size: var(--fz-sm);
    color: var(--color-text-light);
}

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

.footer-copy, .footer-cookies {
    font-size: var(--fz-sm);
    color: var(--color-text-light);
    margin: 0.25rem 0;
}

/* 4. Sections (Placeholders & Legal Pages) */
/* ------------------------------------ */
.section-title {
    text-align: center;
    margin-bottom: 1.5rem;
    font-weight: 700;
    color: var(--color-text);
}

.section-subtitle {
    text-align: center;
    font-size: var(--fz-lg);
    color: var(--color-text-light);
    margin-bottom: 3rem;
    font-weight: 400;
}

.hero-section {
    display: flex;
    justify-content: center;
    flex-direction: column;
    align-items: flex-start;
    min-height: 100vh;
    padding-top: var(--nav-height); /* Offset for fixed header */
    position: relative;
    overflow: hidden;

    /* Full width breakout */
    width: 100vw;
    margin-left: calc(50% - 50vw);
    padding-left: max(2rem, calc((100vw - 1200px) / 2 + 2rem));
    padding-right: max(2rem, calc((100vw - 1200px) / 2 + 2rem));
}

#hero-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    opacity: 0.5;
}

.hero-content {
    max-width: 700px;
    z-index: 1;
}

.hero-title {
    font-size: 4.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    line-height: 1.1;
}

.hero-subtitle {
    font-size: var(--fz-xxl);
    color: var(--color-text-light);
    margin-bottom: 1.5rem;
    font-weight: 400;
}

.hero-description {
    font-size: var(--fz-lg);
    color: var(--color-text-light);
    max-width: 550px;
    margin-bottom: 2.5rem;
}

/* Style for legal pages */
.legal-section {
    padding-top: calc(var(--nav-height) + 4rem);
    padding-bottom: 4rem;
    min-height: 60vh;
}

/* Case Study Section */
.cases-section {
    padding-top: 6rem;
    padding-bottom: 6rem;
    /* The carousel will manage its own horizontal space */
}

.case-swiper {
    width: 100%;
    padding-top: 1rem;
    padding-bottom: 4rem; /* Space for pagination */
}

.case-card {
    position: relative;
    display: block;
    width: 100%;
    aspect-ratio: 16 / 9;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.case-card:hover {
    box-shadow: var(--shadow-lg);
}

.case-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s var(--easing);
}

.case-card:hover img {
    transform: scale(1.05);
}

.case-card-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 1.5rem;
    color: var(--color-white);

    /* Dark Glassmorphism */
    background: rgba(10, 25, 41, 0.5);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border-top: 1px solid var(--color-white-01);

    transform: translateY(50%);
    opacity: 0;
    transition: all 0.4s var(--easing);
}

.case-card:hover .case-card-overlay {
    transform: translateY(0);
    opacity: 1;
}

.case-card-overlay h3 {
    color: var(--color-white);
    font-size: var(--fz-xl);
    margin-bottom: 0.5rem;
}

.case-card-overlay p {
    font-size: var(--fz-sm);
    margin-bottom: 0;
    line-height: 1.5;
    opacity: 0.9;
}

/* Swiper Navigation/Pagination */
.swiper-pagination-bullet {
    background: var(--color-text-light);
    opacity: 0.7;
}

.swiper-pagination-bullet-active {
    background: var(--color-accent);
    opacity: 1;
}

.swiper-button-next, .swiper-button-prev {
    display: none;
}

/* Profile Section */
.profile-grid {
    display: grid;
    grid-template-columns: 1fr 2fr;
    align-items: center;
    gap: 3rem;
}

.profile-image img {
    width: 100%;
    max-width: 300px;
    border-radius: 50%;
    aspect-ratio: 1 / 1;
    object-fit: cover;
    box-shadow: var(--shadow-lg);
    border: 5px solid var(--color-white);
}

.profile-text h3 {
    font-size: var(--fz-xxl);
    margin-bottom: 1rem;
}

.profile-text p {
    font-size: var(--fz-lg);
    color: var(--color-text-light);
    margin-bottom: 1rem;
}

/* Offering Section */
.offering-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.offering-card {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    padding: 2rem;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
    cursor: pointer;
    position: relative;
    min-height: 300px;
}

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

.offering-icon {
    margin-bottom: 1.5rem;
}

.offering-icon svg {
    width: 36px;
    height: 36px;
    color: var(--color-text-heading);
}

.offering-title {
    font-size: var(--fz-xl);
    margin-bottom: 1rem;
    font-weight: 600;
}

.offering-list {
    list-style: none;
    padding: 0;
    margin: 0;
    font-size: var(--fz-md);
    color: var(--color-text-light);
}

.offering-list li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.5rem;
}

.offering-list li::before {
    content: '›';
    position: absolute;
    left: 0;
    color: var(--color-accent);
    font-weight: 700;
    font-size: 1.2em;
    line-height: 1;
}

.offering-details {
    display: none;
    opacity: 0;
    animation: fadeIn 0.5s ease;
}

.offering-card.active .offering-details {
    display: flex;
    flex-direction: column;
    justify-content: center;
    height: 100%;
    opacity: 1;
}

.offering-card.active .offering-summary {
    display: none;
}

.offering-grid.has-active .offering-card:not(.active) {
    display: none;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* 5. Utility */
/* ------------------------------------ */
.fade-in-section {
  opacity: 0;
  transform: translateY(20px);
  visibility: hidden;
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
  will-change: opacity, visibility;
}

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

/* Contact Form Section */
.contact-form-container {
    max-width: 800px;
    margin: 0 auto;
    background-color: var(--color-surface);
    padding: 3rem;
    border-radius: var(--border-radius);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-lg);
}

.contact-form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group.full-width {
    grid-column: 1 / -1;
}

.form-label {
    font-size: var(--fz-sm);
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: var(--color-text-light);
}

.form-label .optional {
    font-weight: 400;
    color: var(--color-form-label-optional);
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: 0.75rem 1rem;
    font-family: var(--font-sans);
    font-size: var(--fz-md);
    color: var(--color-text-heading);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    background-color: var(--color-input-bg);
    transition: var(--transition);
    box-sizing: border-box; /* Important for padding */
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px var(--color-formbox-shadow);
}

.form-textarea {
    resize: vertical;
    min-height: 150px;
}

.form-note {
    grid-column: 1 / -1;
    font-size: var(--fz-xs);
    color: var(--color-text-light);
    margin-top: -0.5rem;
}

.form-status {
    margin-top: 1.5rem;
    padding: 1rem;
    border-radius: var(--border-radius);
    text-align: center;
    font-weight: 500;
    display: none; /* Hidden by default */
}
.form-status.success { background-color: var(--color-success-bg); color: var(--color-success-ft); }
.form-status.error { background-color: var(--color-error-bg); color: var(--color-error-ft); }

/* 6. Responsive Adjustments */
/* ------------------------------------ */
@media (max-width: 992px) {
    .header {
        padding: 0 1.5rem;
    }

    .header .logo {
        position: relative;
        z-index: 1002;
    }

    .mobile-menu-toggle {
        display: block;
    }

    .nav-links {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100vh;
        background: var(--color-bg);
        backdrop-filter: blur(10px);
        -webkit-backdrop-filter: blur(10px);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        z-index: 1001;
        
        /* Circular reveal animation */
        clip-path: circle(0px at top right);
        transition: clip-path 0.6s var(--easing);
        pointer-events: none;
    }

    .nav-links.active {
        clip-path: circle(150% at top right);
        pointer-events: all;
    }

    .nav-links ol {
        flex-direction: column;
        gap: 2rem;
        margin-bottom: 2rem;
    }

    .nav-links ol li a {
        font-size: var(--fz-xl);
    }

    .hero-title {
        font-size: 3.5rem;
    }
}

@media (max-width: 768px) {
    section {
        padding: 4rem 0;
    }

    main {
        padding: 0 1rem;
    }

    .hero-section {
        padding-left: 1rem;
        padding-right: 1rem;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .profile-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .profile-image {
        margin-bottom: 2rem;
        justify-self: center;
    }
    .profile-image img {
        max-width: 250px;
    }
    .contact-form-grid {
        grid-template-columns: 1fr;
    }

    .contact-form-container {
        padding: 1.5rem;
    }

    .swiper-button-next, .swiper-button-prev {
        display: none; /* Hide arrows on mobile to save space */
    }
}

/* Interactive Offering Grid Styles (Desktop) */
@media (min-width: 992px) {
    .offering-grid {
        display: flex;
        gap: 1.5rem;
        min-height: 450px;
        width: 100%;
    }

    .offering-card {
        flex: 1;
        transition: flex 0.6s cubic-bezier(0.25, 1, 0.5, 1), opacity 0.4s ease, padding 0.4s ease, margin 0.4s ease;
        overflow: hidden;
        position: relative;
        display: flex;
        flex-direction: column;
    }

    .offering-grid.has-active .offering-card:not(.active) {
        display: flex;
        flex: 0;
        opacity: 0;
        padding: 0 !important;
        margin: 0 !important;
        border: none;
    }

    .offering-summary {
        transition: opacity 0.3s ease, transform 0.3s ease;
        width: 100%;
    }

    /* Override mobile display:none */
    .offering-details {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        opacity: 0;
        display: flex;
        visibility: hidden;
        transform: translateY(20px);
        transition: opacity 0.4s ease 0.2s, transform 0.4s ease 0.2s;
        box-sizing: border-box;
        display: flex;
        flex-direction: column;
        justify-content: center;
    }

    .offering-card.active .offering-summary {
        display: block;
        opacity: 0;
        transform: translateY(-20px);
        position: absolute;
        pointer-events: none;
    }

    .offering-card.active .offering-details {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
        position: relative;
    }
}