/* ============================================================
   SCALECRAFT AGENCIES — Main Stylesheet
   Clean | Modern | Standard Corporate Agency (No Shadows, Sharp Borders)
   ============================================================ */

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

/* ---------------------- CSS Variables ---------------------- */
:root {
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    
    /* Standard Corporate Palette */
    --color-primary: #1e40af;       /* Deep Navy Blue */
    --color-primary-hover: #1d4ed8; /* Slate Primary Hover */
    --color-secondary: #0f172a;     /* Deep Slate / Charcoal */
    --color-text: #334155;          /* Body Text Slate */
    --color-text-muted: #64748b;    /* Muted Slate */
    
    /* Layout Backgrounds */
    --color-bg: #ffffff;
    --color-bg-alt: #f8fafc;        /* Soft Light Gray */
    --color-bg-card: #ffffff;
    
    /* Borders & Line Elements (Depth without Shadows) */
    --color-border: #e2e8f0;        /* Light Border */
    --color-border-dark: #cbd5e1;   /* Medium Border */
    
    /* Strict Constraints */
    --border-radius: 0px;           /* Perfectly sharp corners */
    --max-width: 1200px;
    --transition: 0.15s ease-in-out;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 70px; /* Offset for sticky header */
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-primary);
    font-size: 15px;
    line-height: 1.6;
    color: var(--color-text);
    background: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

ul, ol {
    list-style: none;
}

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

button, input, select, textarea {
    font-family: inherit;
    font-size: inherit;
    color: inherit;
    outline: none;
}

button {
    cursor: pointer;
    background: none;
    border: none;
}

/* ---------------------- Shared Layout Utilities ---------------------- */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 2rem;
    width: 100%;
}

.section-padding {
    padding: 6rem 0;
}

.section-divider {
    width: 100%;
    height: 1px;
    background: var(--color-border);
}

.section-header {
    margin-bottom: 3.5rem;
    max-width: 650px;
}

.section__label {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 0.75rem;
}

.section__heading {
    font-size: 1.85rem;
    font-weight: 600;
    color: var(--color-secondary);
    line-height: 1.3;
    letter-spacing: -0.01em;
}

/* ---------------------- Buttons (Sharp, No Shadows) ---------------------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    font-weight: 500;
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius);
    transition: all var(--transition);
    border: 1px solid transparent;
    white-space: nowrap;
}

.btn--primary {
    background: var(--color-primary);
    color: #ffffff;
}

.btn--primary:hover {
    background: var(--color-primary-hover);
}

.btn--secondary {
    background: transparent;
    color: var(--color-secondary);
    border-color: var(--color-border-dark);
}

.btn--secondary:hover {
    background: var(--color-bg-alt);
    border-color: var(--color-secondary);
}

/* ---------------------- HEADER (Sticky Navigation) ---------------------- */
.header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    height: 70px;
}

.header__inner {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.header__logo {
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--color-secondary);
    letter-spacing: -0.01em;
    display: flex;
    align-items: center;
}

.header__logo span {
    color: var(--color-primary);
}

.header__nav-list {
    display: flex;
    gap: 2.25rem;
}

.header__link {
    font-size: 0.88rem;
    font-weight: 500;
    color: var(--color-text-muted);
    position: relative;
    padding: 0.25rem 0;
}

.header__link:hover,
.header__link--active {
    color: var(--color-secondary);
}

/* Indicator line under active element */
.header__link--active::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--color-primary);
}

.header__btn {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--color-primary);
    border: 1px solid var(--color-primary);
    padding: 0.5rem 1.1rem;
    border-radius: var(--border-radius);
    transition: all var(--transition);
}

.header__btn:hover {
    background: var(--color-primary);
    color: #ffffff;
}

.header__toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    width: 26px;
    height: 20px;
    justify-content: center;
    z-index: 101;
}

.header__toggle span {
    display: block;
    height: 2px;
    width: 100%;
    background: var(--color-secondary);
    transition: all var(--transition);
}

/* ---------------------- HERO (Standard 2-Column Layout with Background Image) ---------------------- */
.hero {
    position: relative;
    min-height: calc(100vh - 70px);
    display: flex;
    align-items: center;
    background: #0f172a; /* Dark base for high contrast contrast */
    overflow: hidden;
    padding: 4rem 0;
}

.hero__bg {
    position: absolute;
    inset: 0;
    background: url('hero_background.png') center / cover no-repeat;
    opacity: 0.25; /* Highly optimized opacity for premium contrast and readability */
    z-index: 0;
}

.hero__inner {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 4rem;
    align-items: center;
    width: 100%;
}

.hero__left {
    max-width: 540px;
}

.hero__label {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    color: #60a5fa; /* Vibrant corporate blue for dark bg context */
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 1rem;
}

.hero__title {
    font-size: 2.35rem;
    font-weight: 600;
    color: #ffffff; /* White text for contrast */
    line-height: 1.25;
    margin-bottom: 1.25rem;
    letter-spacing: -0.02em;
}

.hero__subtitle {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.75); /* Soft off-white for legibility */
    line-height: 1.65;
    margin-bottom: 2.25rem;
}

.hero__actions {
    display: flex;
    gap: 1rem;
}

/* Custom buttons inside hero for dark viewport mode context */
.hero .btn--primary {
    background: #ffffff;
    color: #0f172a;
    border-color: #ffffff;
}

.hero .btn--primary:hover {
    background: #cbd5e1;
    border-color: #cbd5e1;
}

.hero .btn--secondary {
    color: #ffffff;
    border-color: rgba(255, 255, 255, 0.4);
}

.hero .btn--secondary:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: #ffffff;
}

/* Hero Right: Clean metrics and statistical panel */
.hero__right-panel {
    border: 1px solid rgba(255, 255, 255, 0.15);
    background: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(12px);
    padding: 2.5rem;
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.hero__panel-title {
    font-size: 0.85rem;
    font-weight: 600;
    color: #ffffff;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-bottom: 1px solid rgba(255, 255, 255, 0.15);
    padding-bottom: 0.75rem;
}

.hero__stat-item {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.hero__stat-val {
    font-size: 2rem;
    font-weight: 600;
    color: #60a5fa; /* bright high-contrast color */
    line-height: 1;
}

.hero__stat-lbl {
    font-size: 0.8rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.7);
}

/* ---------------------- TRUST LOGOS BAR ---------------------- */
.trust-bar {
    border-bottom: 1px solid var(--color-border);
    background: var(--color-bg);
    padding: 2.5rem 0;
}

.trust-bar__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
}

.trust-bar__title {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    flex-shrink: 0;
}

.trust-bar__logos {
    display: flex;
    align-items: center;
    gap: 3rem;
}

.trust-bar__logo {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-secondary);
    opacity: 0.6;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.trust-bar__logo svg {
    stroke: var(--color-primary);
}

/* ---------------------- SERVICES (3-Column Grid) ---------------------- */
.services {
    background: var(--color-bg);
}

.services__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.service-card {
    border: 1px solid var(--color-border);
    background: var(--color-bg-card);
    padding: 2.5rem 2rem;
    display: flex;
    flex-direction: column;
    transition: all var(--transition);
}

.service-card:hover {
    background: var(--color-bg-alt);
    border-color: var(--color-border-dark);
}

.service-card__num {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--color-text-muted);
    margin-bottom: 1.25rem;
    display: block;
}

.service-card__title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-secondary);
    margin-bottom: 0.75rem;
}

.service-card__desc {
    font-size: 0.88rem;
    color: var(--color-text-muted);
    line-height: 1.6;
    margin-bottom: 1.75rem;
    flex-grow: 1;
}

.service-card__link {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-primary);
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
}

.service-card__link:hover {
    color: var(--color-primary-hover);
}

/* ---------------------- ABOUT (2-Column Editorial) ---------------------- */
.about {
    background: var(--color-bg-alt);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.about__inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: flex-start;
}

.about__left {
    max-width: 500px;
}

.about__heading {
    font-size: 1.85rem;
    font-weight: 600;
    color: var(--color-secondary);
    line-height: 1.35;
    margin-top: 0.5rem;
    letter-spacing: -0.01em;
}

.about__right {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.about__text {
    font-size: 0.92rem;
    color: var(--color-text);
    line-height: 1.7;
}

.about__text p {
    margin-bottom: 1rem;
}

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

.about__highlights {
    border-top: 1px solid var(--color-border);
    padding-top: 1.5rem;
    margin-top: 1rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.about__hl-item {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.about__hl-title {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-secondary);
}

.about__hl-desc {
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

/* ---------------------- PROCESS (4-Step Timeline) ---------------------- */
.process {
    background: var(--color-bg);
}

.process__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.process-card {
    border-top: 3px solid var(--color-primary);
    background: var(--color-bg-alt);
    padding: 2rem 1.5rem;
    transition: all var(--transition);
}

.process-card:hover {
    background: var(--color-bg);
    border-top-color: var(--color-primary-hover);
    outline: 1px solid var(--color-border-dark);
}

.process-card__num {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--color-text-muted);
    display: block;
    margin-bottom: 1rem;
}

.process-card__title {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--color-secondary);
    margin-bottom: 0.6rem;
}

.process-card__desc {
    font-size: 0.82rem;
    color: var(--color-text-muted);
    line-height: 1.6;
}

/* ---------------------- CONTACT (2-Column Form) ---------------------- */
.contact {
    background: var(--color-bg-alt);
    border-top: 1px solid var(--color-border);
}

.contact__inner {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 4rem;
    align-items: start;
}

.contact__left {
    max-width: 440px;
}

.contact__details {
    display: flex;
    flex-direction: column;
    gap: 2.25rem;
    margin-top: 2rem;
}

.contact__item {
    border-left: 2px solid var(--color-primary);
    padding-left: 1.25rem;
}

.contact__item-label {
    display: block;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.35rem;
}

.contact__item-val {
    font-size: 0.95rem;
    color: var(--color-secondary);
    font-weight: 500;
    line-height: 1.5;
}

.contact__item-val a:hover {
    color: var(--color-primary);
}

/* Directory Panel - Sharp and Shadowless */
.contact__info-panel {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    padding: 2.5rem;
}

.contact__info-title {
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--color-secondary);
    margin-bottom: 1.5rem;
    border-bottom: 1px solid var(--color-border);
    padding-bottom: 0.75rem;
}

.contact__info-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact__info-block {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.contact__info-block-lbl {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.contact__info-block-val {
    font-size: 0.95rem;
    color: var(--color-secondary);
    font-weight: 500;
}

.contact__info-block-val a:hover {
    color: var(--color-primary);
}

/* ---------------------- FOOTER ---------------------- */
.footer {
    background: var(--color-secondary);
    color: #cbd5e1;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer__top {
    padding: 4rem 0 3rem;
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
    gap: 3rem;
}

.footer__brand {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.footer__logo {
    font-size: 1.15rem;
    font-weight: 600;
    color: #ffffff;
    letter-spacing: -0.01em;
}

.footer__logo span {
    color: var(--color-primary);
}

.footer__desc {
    font-size: 0.82rem;
    color: #94a3b8;
    line-height: 1.6;
    max-width: 280px;
}

.footer__col-title {
    font-size: 0.8rem;
    font-weight: 600;
    color: #ffffff;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 1.25rem;
}

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

.footer__link {
    font-size: 0.85rem;
    color: #94a3b8;
}

.footer__link:hover {
    color: #ffffff;
}

.footer__address {
    font-size: 0.82rem;
    color: #94a3b8;
    line-height: 1.6;
}

.footer__bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding: 2rem 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.78rem;
    color: #64748b;
}

.footer__copyright span {
    display: block;
}

/* ---------------------- HEADER OVERLAY (Mobile Nav) ---------------------- */
.header__overlay {
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.5);
    z-index: 99;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition);
}

.header__overlay--on {
    opacity: 1;
    pointer-events: auto;
}

/* ============================================================
   RESPONSIVE DESIGN (Media Queries)
   ============================================================ */

@media (max-width: 1024px) {
    .container {
        padding: 0 1.5rem;
    }
    
    .hero__inner {
        gap: 2.5rem;
    }
    
    .services__grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .process__grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer__top {
        grid-template-columns: 1fr 1fr;
        gap: 3rem;
    }
}

@media (max-width: 900px) {
    /* Header mobile overrides */
    .header__nav {
        position: fixed;
        top: 0;
        right: -280px;
        width: 280px;
        height: 100vh;
        height: 100dvh;
        background: var(--color-bg);
        border-left: 1px solid var(--color-border);
        padding: 5.5rem 2rem 2rem;
        transition: right 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        z-index: 100;
    }

    .header__nav--open {
        right: 0;
    }

    .header__nav-list {
        flex-direction: column;
        gap: 1.5rem;
    }

    .header__link {
        font-size: 0.95rem;
        display: block;
    }

    .header__link--active::after {
        display: none;
    }

    .header__btn {
        display: none;
    }

    .header__toggle {
        display: flex;
    }

    .header__toggle--open span:nth-child(1) {
        transform: translateY(7px) rotate(45deg);
    }

    .header__toggle--open span:nth-child(2) {
        opacity: 0;
    }

    .header__toggle--open span:nth-child(3) {
        transform: translateY(-7px) rotate(-45deg);
    }

    /* Hero */
    .hero__inner {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .hero__left {
        max-width: 100%;
        text-align: center;
    }
    
    .hero__actions {
        justify-content: center;
    }

    .hero__right-panel {
        max-width: 500px;
        margin: 0 auto;
        width: 100%;
    }

    /* Trust */
    .trust-bar__inner {
        flex-direction: column;
        align-items: center;
        text-align: center;
        gap: 1.5rem;
    }

    .trust-bar__logos {
        flex-wrap: wrap;
        justify-content: center;
        gap: 2rem;
    }

    /* About */
    .about__inner {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }

    .about__left {
        max-width: 100%;
    }

    /* Contact */
    .contact__inner {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .contact__left {
        max-width: 100%;
    }
}

@media (max-width: 600px) {
    .section-padding {
        padding: 4rem 0;
    }
    
    .hero {
        padding: 4rem 0;
    }

    .hero__title {
        font-size: 1.85rem;
    }

    .hero__actions {
        flex-direction: column;
        gap: 0.75rem;
    }

    .services__grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .process__grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .footer__top {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .footer__bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

    .contact__form-panel {
        padding: 1.75rem 1.25rem;
    }
}